From 9384f5399da39e53855beb8e7f8ded1aa56bf72e Mon Sep 17 00:00:00 2001
From: syuilo <Syuilotan@yahoo.co.jp>
Date: Tue, 27 Dec 2022 14:36:33 +0900
Subject: rename: client -> frontend

---
 packages/frontend/src/ui/_common_/common.vue       | 139 ++++++
 .../frontend/src/ui/_common_/navbar-for-mobile.vue | 314 +++++++++++++
 packages/frontend/src/ui/_common_/navbar.vue       | 521 +++++++++++++++++++++
 .../src/ui/_common_/statusbar-federation.vue       | 108 +++++
 .../frontend/src/ui/_common_/statusbar-rss.vue     |  93 ++++
 .../src/ui/_common_/statusbar-user-list.vue        | 113 +++++
 packages/frontend/src/ui/_common_/statusbars.vue   |  92 ++++
 .../frontend/src/ui/_common_/stream-indicator.vue  |  61 +++
 packages/frontend/src/ui/_common_/sw-inject.ts     |  35 ++
 packages/frontend/src/ui/_common_/upload.vue       | 129 +++++
 packages/frontend/src/ui/classic.header.vue        | 217 +++++++++
 packages/frontend/src/ui/classic.sidebar.vue       | 268 +++++++++++
 packages/frontend/src/ui/classic.vue               | 320 +++++++++++++
 packages/frontend/src/ui/classic.widgets.vue       |  84 ++++
 packages/frontend/src/ui/deck.vue                  | 435 +++++++++++++++++
 packages/frontend/src/ui/deck/antenna-column.vue   |  70 +++
 packages/frontend/src/ui/deck/column-core.vue      |  34 ++
 packages/frontend/src/ui/deck/column.vue           | 398 ++++++++++++++++
 packages/frontend/src/ui/deck/deck-store.ts        | 296 ++++++++++++
 packages/frontend/src/ui/deck/direct-column.vue    |  31 ++
 packages/frontend/src/ui/deck/list-column.vue      |  58 +++
 packages/frontend/src/ui/deck/main-column.vue      |  68 +++
 packages/frontend/src/ui/deck/mentions-column.vue  |  28 ++
 .../frontend/src/ui/deck/notifications-column.vue  |  44 ++
 packages/frontend/src/ui/deck/tl-column.vue        | 119 +++++
 packages/frontend/src/ui/deck/widgets-column.vue   |  69 +++
 packages/frontend/src/ui/universal.vue             | 390 +++++++++++++++
 packages/frontend/src/ui/universal.widgets.vue     |  71 +++
 packages/frontend/src/ui/visitor.vue               |  19 +
 packages/frontend/src/ui/visitor/a.vue             | 259 ++++++++++
 packages/frontend/src/ui/visitor/b.vue             | 248 ++++++++++
 packages/frontend/src/ui/visitor/header.vue        | 228 +++++++++
 packages/frontend/src/ui/visitor/kanban.vue        | 257 ++++++++++
 packages/frontend/src/ui/zen.vue                   |  34 ++
 34 files changed, 5650 insertions(+)
 create mode 100644 packages/frontend/src/ui/_common_/common.vue
 create mode 100644 packages/frontend/src/ui/_common_/navbar-for-mobile.vue
 create mode 100644 packages/frontend/src/ui/_common_/navbar.vue
 create mode 100644 packages/frontend/src/ui/_common_/statusbar-federation.vue
 create mode 100644 packages/frontend/src/ui/_common_/statusbar-rss.vue
 create mode 100644 packages/frontend/src/ui/_common_/statusbar-user-list.vue
 create mode 100644 packages/frontend/src/ui/_common_/statusbars.vue
 create mode 100644 packages/frontend/src/ui/_common_/stream-indicator.vue
 create mode 100644 packages/frontend/src/ui/_common_/sw-inject.ts
 create mode 100644 packages/frontend/src/ui/_common_/upload.vue
 create mode 100644 packages/frontend/src/ui/classic.header.vue
 create mode 100644 packages/frontend/src/ui/classic.sidebar.vue
 create mode 100644 packages/frontend/src/ui/classic.vue
 create mode 100644 packages/frontend/src/ui/classic.widgets.vue
 create mode 100644 packages/frontend/src/ui/deck.vue
 create mode 100644 packages/frontend/src/ui/deck/antenna-column.vue
 create mode 100644 packages/frontend/src/ui/deck/column-core.vue
 create mode 100644 packages/frontend/src/ui/deck/column.vue
 create mode 100644 packages/frontend/src/ui/deck/deck-store.ts
 create mode 100644 packages/frontend/src/ui/deck/direct-column.vue
 create mode 100644 packages/frontend/src/ui/deck/list-column.vue
 create mode 100644 packages/frontend/src/ui/deck/main-column.vue
 create mode 100644 packages/frontend/src/ui/deck/mentions-column.vue
 create mode 100644 packages/frontend/src/ui/deck/notifications-column.vue
 create mode 100644 packages/frontend/src/ui/deck/tl-column.vue
 create mode 100644 packages/frontend/src/ui/deck/widgets-column.vue
 create mode 100644 packages/frontend/src/ui/universal.vue
 create mode 100644 packages/frontend/src/ui/universal.widgets.vue
 create mode 100644 packages/frontend/src/ui/visitor.vue
 create mode 100644 packages/frontend/src/ui/visitor/a.vue
 create mode 100644 packages/frontend/src/ui/visitor/b.vue
 create mode 100644 packages/frontend/src/ui/visitor/header.vue
 create mode 100644 packages/frontend/src/ui/visitor/kanban.vue
 create mode 100644 packages/frontend/src/ui/zen.vue

(limited to 'packages/frontend/src/ui')

diff --git a/packages/frontend/src/ui/_common_/common.vue b/packages/frontend/src/ui/_common_/common.vue
new file mode 100644
index 0000000000..7f3fc0e4af
--- /dev/null
+++ b/packages/frontend/src/ui/_common_/common.vue
@@ -0,0 +1,139 @@
+<template>
+<component
+	:is="popup.component"
+	v-for="popup in popups"
+	:key="popup.id"
+	v-bind="popup.props"
+	v-on="popup.events"
+/>
+
+<XUpload v-if="uploads.length > 0"/>
+
+<XStreamIndicator/>
+
+<div v-if="pendingApiRequestsCount > 0" id="wait"></div>
+
+<div v-if="dev" id="devTicker"><span>DEV BUILD</span></div>
+
+<div v-if="$i && $i.isBot" id="botWarn"><span>{{ i18n.ts.loggedInAsBot }}</span></div>
+</template>
+
+<script lang="ts" setup>
+import { defineAsyncComponent } from 'vue';
+import { swInject } from './sw-inject';
+import { popup, popups, pendingApiRequestsCount } from '@/os';
+import { uploads } from '@/scripts/upload';
+import * as sound from '@/scripts/sound';
+import { $i } from '@/account';
+import { stream } from '@/stream';
+import { i18n } from '@/i18n';
+
+const XStreamIndicator = defineAsyncComponent(() => import('./stream-indicator.vue'));
+const XUpload = defineAsyncComponent(() => import('./upload.vue'));
+
+const dev = _DEV_;
+
+const onNotification = notification => {
+	if ($i.mutingNotificationTypes.includes(notification.type)) return;
+
+	if (document.visibilityState === 'visible') {
+		stream.send('readNotification', {
+			id: notification.id,
+		});
+
+		popup(defineAsyncComponent(() => import('@/components/MkNotificationToast.vue')), {
+			notification,
+		}, {}, 'closed');
+	}
+
+	sound.play('notification');
+};
+
+if ($i) {
+	const connection = stream.useChannel('main', null, 'UI');
+	connection.on('notification', onNotification);
+
+	//#region Listen message from SW
+	if ('serviceWorker' in navigator) {
+		swInject();
+	}
+}
+</script>
+
+<style lang="scss">
+@keyframes dev-ticker-blink {
+	0% { opacity: 1; }
+	50% { opacity: 0; }
+	100% { opacity: 1; }
+}
+
+@keyframes progress-spinner {
+	0% {
+		transform: rotate(0deg);
+	}
+	100% {
+		transform: rotate(360deg);
+	}
+}
+
+#wait {
+	display: block;
+	position: fixed;
+	z-index: 4000000;
+	top: 15px;
+	right: 15px;
+
+	&:before {
+		content: "";
+		display: block;
+		width: 18px;
+		height: 18px;
+		box-sizing: border-box;
+		border: solid 2px transparent;
+		border-top-color: var(--accent);
+		border-left-color: var(--accent);
+		border-radius: 50%;
+		animation: progress-spinner 400ms linear infinite;
+	}
+}
+
+#botWarn {
+	position: fixed;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+	margin: auto;
+	width: 100%;
+	height: max-content;
+	text-align: center;
+	z-index: 2147483647;
+	color: #ff0;
+	background: rgba(0, 0, 0, 0.5);
+	padding: 4px 7px;
+	font-size: 14px;
+	pointer-events: none;
+	user-select: none;
+
+	> span {
+		animation: dev-ticker-blink 2s infinite;
+	}
+}
+
+#devTicker {
+	position: fixed;
+	top: 0;
+	left: 0;
+	z-index: 2147483647;
+	color: #ff0;
+	background: rgba(0, 0, 0, 0.5);
+	padding: 4px 5px;
+	font-size: 14px;
+	pointer-events: none;
+	user-select: none;
+
+	> span {
+		animation: dev-ticker-blink 2s infinite;
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/_common_/navbar-for-mobile.vue b/packages/frontend/src/ui/_common_/navbar-for-mobile.vue
new file mode 100644
index 0000000000..50b28de063
--- /dev/null
+++ b/packages/frontend/src/ui/_common_/navbar-for-mobile.vue
@@ -0,0 +1,314 @@
+<template>
+<div class="kmwsukvl">
+	<div class="body">
+		<div class="top">
+			<div class="banner" :style="{ backgroundImage: `url(${ $instance.bannerUrl })` }"></div>
+			<button v-click-anime class="item _button instance" @click="openInstanceMenu">
+				<img :src="$instance.iconUrl || $instance.faviconUrl || '/favicon.ico'" alt="" class="icon"/>
+			</button>
+		</div>
+		<div class="middle">
+			<MkA v-click-anime class="item index" active-class="active" to="/" exact>
+				<i class="icon ti ti-home ti-fw"></i><span class="text">{{ i18n.ts.timeline }}</span>
+			</MkA>
+			<template v-for="item in menu">
+				<div v-if="item === '-'" class="divider"></div>
+				<component :is="navbarItemDef[item].to ? 'MkA' : 'button'" v-else-if="navbarItemDef[item] && (navbarItemDef[item].show !== false)" v-click-anime class="item _button" :class="[item, { active: navbarItemDef[item].active }]" active-class="active" :to="navbarItemDef[item].to" v-on="navbarItemDef[item].action ? { click: navbarItemDef[item].action } : {}">
+					<i class="icon ti-fw" :class="navbarItemDef[item].icon"></i><span class="text">{{ i18n.ts[navbarItemDef[item].title] }}</span>
+					<span v-if="navbarItemDef[item].indicated" class="indicator"><i class="icon _indicatorCircle"></i></span>
+				</component>
+			</template>
+			<div class="divider"></div>
+			<MkA v-if="$i.isAdmin || $i.isModerator" v-click-anime class="item" active-class="active" to="/admin">
+				<i class="icon ti ti-dashboard ti-fw"></i><span class="text">{{ i18n.ts.controlPanel }}</span>
+			</MkA>
+			<button v-click-anime class="item _button" @click="more">
+				<i class="icon ti ti-grid-dots ti-fw"></i><span class="text">{{ i18n.ts.more }}</span>
+				<span v-if="otherMenuItemIndicated" class="indicator"><i class="icon _indicatorCircle"></i></span>
+			</button>
+			<MkA v-click-anime class="item" active-class="active" to="/settings">
+				<i class="icon ti ti-settings ti-fw"></i><span class="text">{{ i18n.ts.settings }}</span>
+			</MkA>
+		</div>
+		<div class="bottom">
+			<button class="item _button post" data-cy-open-post-form @click="os.post">
+				<i class="icon ti ti-pencil ti-fw"></i><span class="text">{{ i18n.ts.note }}</span>
+			</button>
+			<button v-click-anime class="item _button account" @click="openAccountMenu">
+				<MkAvatar :user="$i" class="avatar"/><MkAcct class="text" :user="$i"/>
+			</button>
+		</div>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { computed, defineAsyncComponent, defineComponent, ref, toRef, watch } from 'vue';
+import { host } from '@/config';
+import { search } from '@/scripts/search';
+import * as os from '@/os';
+import { navbarItemDef } from '@/navbar';
+import { openAccountMenu as openAccountMenu_ } from '@/account';
+import { defaultStore } from '@/store';
+import { instance } from '@/instance';
+import { i18n } from '@/i18n';
+
+const menu = toRef(defaultStore.state, 'menu');
+const otherMenuItemIndicated = computed(() => {
+	for (const def in navbarItemDef) {
+		if (menu.value.includes(def)) continue;
+		if (navbarItemDef[def].indicated) return true;
+	}
+	return false;
+});
+
+function openAccountMenu(ev: MouseEvent) {
+	openAccountMenu_({
+		withExtraOperation: true,
+	}, ev);
+}
+
+function openInstanceMenu(ev: MouseEvent) {
+	os.popupMenu([{
+		text: instance.name ?? host,
+		type: 'label',
+	}, {
+		type: 'link',
+		text: i18n.ts.instanceInfo,
+		icon: 'ti ti-info-circle',
+		to: '/about',
+	}, {
+		type: 'link',
+		text: i18n.ts.customEmojis,
+		icon: 'ti ti-mood-happy',
+		to: '/about#emojis',
+	}, {
+		type: 'link',
+		text: i18n.ts.federation,
+		icon: 'ti ti-whirl',
+		to: '/about#federation',
+	}, null, {
+		type: 'parent',
+		text: i18n.ts.help,
+		icon: 'ti ti-question-circle',
+		children: [{
+			type: 'link',
+			to: '/mfm-cheat-sheet',
+			text: i18n.ts._mfm.cheatSheet,
+			icon: 'ti ti-code',
+		}, {
+			type: 'link',
+			to: '/scratchpad',
+			text: i18n.ts.scratchpad,
+			icon: 'ti ti-terminal-2',
+		}, {
+			type: 'link',
+			to: '/api-console',
+			text: 'API Console',
+			icon: 'ti ti-terminal-2',
+		}, null, {
+			text: i18n.ts.document,
+			icon: 'ti ti-question-circle',
+			action: () => {
+				window.open('https://misskey-hub.net/help.html', '_blank');
+			},
+		}],
+	}, {
+		type: 'link',
+		text: i18n.ts.aboutMisskey,
+		to: '/about-misskey',
+	}], ev.currentTarget ?? ev.target, {
+		align: 'left',
+	});
+}
+
+function more() {
+	os.popup(defineAsyncComponent(() => import('@/components/MkLaunchPad.vue')), {}, {
+	}, 'closed');
+}
+</script>
+
+<style lang="scss" scoped>
+.kmwsukvl {
+	> .body {
+		display: flex;
+		flex-direction: column;
+
+		> .top {
+			position: sticky;
+			top: 0;
+			z-index: 1;
+			padding: 20px 0;
+			background: var(--X14);
+			-webkit-backdrop-filter: var(--blur, blur(8px));
+			backdrop-filter: var(--blur, blur(8px));
+
+			> .banner {
+				position: absolute;
+				top: 0;
+				left: 0;
+				width: 100%;
+				height: 100%;
+				background-size: cover;
+				background-position: center center;
+				-webkit-mask-image: linear-gradient(0deg, rgba(0,0,0,0) 15%, rgba(0,0,0,0.75) 100%);
+				mask-image: linear-gradient(0deg, rgba(0,0,0,0) 15%, rgba(0,0,0,0.75) 100%);
+			}
+
+			> .instance {
+				position: relative;
+				display: block;
+				text-align: center;
+				width: 100%;
+
+				> .icon {
+					display: inline-block;
+					width: 38px;
+					aspect-ratio: 1;
+				}
+			}
+		}
+
+		> .bottom {
+			position: sticky;
+			bottom: 0;
+			padding: 20px 0;
+			background: var(--X14);
+			-webkit-backdrop-filter: var(--blur, blur(8px));
+			backdrop-filter: var(--blur, blur(8px));
+
+			> .post {
+				position: relative;
+				display: block;
+				width: 100%;
+				height: 40px;
+				color: var(--fgOnAccent);
+				font-weight: bold;
+				text-align: left;
+
+				&:before {
+					content: "";
+					display: block;
+					width: calc(100% - 38px);
+					height: 100%;
+					margin: auto;
+					position: absolute;
+					top: 0;
+					left: 0;
+					right: 0;
+					bottom: 0;
+					border-radius: 999px;
+					background: linear-gradient(90deg, var(--buttonGradateA), var(--buttonGradateB));
+				}
+
+				&:hover, &.active {
+					&:before {
+						background: var(--accentLighten);
+					}
+				}
+
+				> .icon {
+					position: relative;
+					margin-left: 30px;
+					margin-right: 8px;
+					width: 32px;
+				}
+
+				> .text {
+					position: relative;
+				}
+			}
+
+			> .account {
+				position: relative;
+				display: flex;
+				align-items: center;
+				padding-left: 30px;
+				text-overflow: ellipsis;
+				overflow: hidden;
+				white-space: nowrap;
+				width: 100%;
+				text-align: left;
+				box-sizing: border-box;
+				margin-top: 16px;
+
+				> .avatar {
+					position: relative;
+					width: 32px;
+					aspect-ratio: 1;
+					margin-right: 8px;
+				}
+			}
+		}
+
+		> .middle {
+			flex: 1;
+
+			> .divider {
+				margin: 16px 16px;
+				border-top: solid 0.5px var(--divider);
+			}
+
+			> .item {
+				position: relative;
+				display: block;
+				padding-left: 24px;
+				line-height: 2.85rem;
+				text-overflow: ellipsis;
+				overflow: hidden;
+				white-space: nowrap;
+				width: 100%;
+				text-align: left;
+				box-sizing: border-box;
+				color: var(--navFg);
+
+				> .icon {
+					position: relative;
+					width: 32px;
+					margin-right: 8px;
+				}
+
+				> .indicator {
+					position: absolute;
+					top: 0;
+					left: 20px;
+					color: var(--navIndicator);
+					font-size: 8px;
+					animation: blink 1s infinite;
+				}
+
+				> .text {
+					position: relative;
+					font-size: 0.9em;
+				}
+
+				&:hover {
+					text-decoration: none;
+					color: var(--navHoverFg);
+				}
+
+				&.active {
+					color: var(--navActive);
+				}
+
+				&:hover, &.active {
+					&:before {
+						content: "";
+						display: block;
+						width: calc(100% - 24px);
+						height: 100%;
+						margin: auto;
+						position: absolute;
+						top: 0;
+						left: 0;
+						right: 0;
+						bottom: 0;
+						border-radius: 999px;
+						background: var(--accentedBg);
+					}
+				}
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/_common_/navbar.vue b/packages/frontend/src/ui/_common_/navbar.vue
new file mode 100644
index 0000000000..b82da15f13
--- /dev/null
+++ b/packages/frontend/src/ui/_common_/navbar.vue
@@ -0,0 +1,521 @@
+<template>
+<div class="mvcprjjd" :class="{ iconOnly }">
+	<div class="body">
+		<div class="top">
+			<div class="banner" :style="{ backgroundImage: `url(${ $instance.bannerUrl })` }"></div>
+			<button v-click-anime v-tooltip.noDelay.right="$instance.name ?? i18n.ts.instance" class="item _button instance" @click="openInstanceMenu">
+				<img :src="$instance.iconUrl || $instance.faviconUrl || '/favicon.ico'" alt="" class="icon"/>
+			</button>
+		</div>
+		<div class="middle">
+			<MkA v-click-anime v-tooltip.noDelay.right="i18n.ts.timeline" class="item index" active-class="active" to="/" exact>
+				<i class="icon ti ti-home ti-fw"></i><span class="text">{{ i18n.ts.timeline }}</span>
+			</MkA>
+			<template v-for="item in menu">
+				<div v-if="item === '-'" class="divider"></div>
+				<component
+					:is="navbarItemDef[item].to ? 'MkA' : 'button'"
+					v-else-if="navbarItemDef[item] && (navbarItemDef[item].show !== false)"
+					v-click-anime
+					v-tooltip.noDelay.right="i18n.ts[navbarItemDef[item].title]"
+					class="item _button"
+					:class="[item, { active: navbarItemDef[item].active }]"
+					active-class="active"
+					:to="navbarItemDef[item].to"
+					v-on="navbarItemDef[item].action ? { click: navbarItemDef[item].action } : {}"
+				>
+					<i class="icon ti-fw" :class="navbarItemDef[item].icon"></i><span class="text">{{ i18n.ts[navbarItemDef[item].title] }}</span>
+					<span v-if="navbarItemDef[item].indicated" class="indicator"><i class="icon _indicatorCircle"></i></span>
+				</component>
+			</template>
+			<div class="divider"></div>
+			<MkA v-if="$i.isAdmin || $i.isModerator" v-click-anime v-tooltip.noDelay.right="i18n.ts.controlPanel" class="item" active-class="active" to="/admin">
+				<i class="icon ti ti-dashboard ti-fw"></i><span class="text">{{ i18n.ts.controlPanel }}</span>
+			</MkA>
+			<button v-click-anime class="item _button" @click="more">
+				<i class="icon ti ti-grid-dots ti-fw"></i><span class="text">{{ i18n.ts.more }}</span>
+				<span v-if="otherMenuItemIndicated" class="indicator"><i class="icon _indicatorCircle"></i></span>
+			</button>
+			<MkA v-click-anime v-tooltip.noDelay.right="i18n.ts.settings" class="item" active-class="active" to="/settings">
+				<i class="icon ti ti-settings ti-fw"></i><span class="text">{{ i18n.ts.settings }}</span>
+			</MkA>
+		</div>
+		<div class="bottom">
+			<button v-tooltip.noDelay.right="i18n.ts.note" class="item _button post" data-cy-open-post-form @click="os.post">
+				<i class="icon ti ti-pencil ti-fw"></i><span class="text">{{ i18n.ts.note }}</span>
+			</button>
+			<button v-click-anime v-tooltip.noDelay.right="`${i18n.ts.account}: @${$i.username}`" class="item _button account" @click="openAccountMenu">
+				<MkAvatar :user="$i" class="avatar"/><MkAcct class="text" :user="$i"/>
+			</button>
+		</div>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { computed, defineAsyncComponent, ref, watch } from 'vue';
+import * as os from '@/os';
+import { navbarItemDef } from '@/navbar';
+import { $i, openAccountMenu as openAccountMenu_ } from '@/account';
+import { defaultStore } from '@/store';
+import { i18n } from '@/i18n';
+import { instance } from '@/instance';
+import { host } from '@/config';
+
+const iconOnly = ref(false);
+
+const menu = computed(() => defaultStore.state.menu);
+const otherMenuItemIndicated = computed(() => {
+	for (const def in navbarItemDef) {
+		if (menu.value.includes(def)) continue;
+		if (navbarItemDef[def].indicated) return true;
+	}
+	return false;
+});
+
+const calcViewState = () => {
+	iconOnly.value = (window.innerWidth <= 1279) || (defaultStore.state.menuDisplay === 'sideIcon');
+};
+
+calcViewState();
+
+window.addEventListener('resize', calcViewState);
+
+watch(defaultStore.reactiveState.menuDisplay, () => {
+	calcViewState();
+});
+
+function openAccountMenu(ev: MouseEvent) {
+	openAccountMenu_({
+		withExtraOperation: true,
+	}, ev);
+}
+
+function openInstanceMenu(ev: MouseEvent) {
+	os.popupMenu([{
+		text: instance.name ?? host,
+		type: 'label',
+	}, {
+		type: 'link',
+		text: i18n.ts.instanceInfo,
+		icon: 'ti ti-info-circle',
+		to: '/about',
+	}, {
+		type: 'link',
+		text: i18n.ts.customEmojis,
+		icon: 'ti ti-mood-happy',
+		to: '/about#emojis',
+	}, {
+		type: 'link',
+		text: i18n.ts.federation,
+		icon: 'ti ti-whirl',
+		to: '/about#federation',
+	}, null, {
+		type: 'parent',
+		text: i18n.ts.help,
+		icon: 'ti ti-question-circle',
+		children: [{
+			type: 'link',
+			to: '/mfm-cheat-sheet',
+			text: i18n.ts._mfm.cheatSheet,
+			icon: 'ti ti-code',
+		}, {
+			type: 'link',
+			to: '/scratchpad',
+			text: i18n.ts.scratchpad,
+			icon: 'ti ti-terminal-2',
+		}, {
+			type: 'link',
+			to: '/api-console',
+			text: 'API Console',
+			icon: 'ti ti-terminal-2',
+		}, null, {
+			text: i18n.ts.document,
+			icon: 'ti ti-question-circle',
+			action: () => {
+				window.open('https://misskey-hub.net/help.html', '_blank');
+			},
+		}],
+	}, {
+		type: 'link',
+		text: i18n.ts.aboutMisskey,
+		to: '/about-misskey',
+	}], ev.currentTarget ?? ev.target, {
+		align: 'left',
+	});
+}
+
+function more(ev: MouseEvent) {
+	os.popup(defineAsyncComponent(() => import('@/components/MkLaunchPad.vue')), {
+		src: ev.currentTarget ?? ev.target,
+	}, {
+	}, 'closed');
+}
+</script>
+
+<style lang="scss" scoped>
+.mvcprjjd {
+	$nav-width: 250px;
+	$nav-icon-only-width: 80px;
+
+	flex: 0 0 $nav-width;
+	width: $nav-width;
+	box-sizing: border-box;
+
+	> .body {
+		position: fixed;
+		top: 0;
+		left: 0;
+		z-index: 1001;
+		width: $nav-icon-only-width;
+		height: 100dvh;
+		box-sizing: border-box;
+		overflow: auto;
+		overflow-x: clip;
+		background: var(--navBg);
+		contain: strict;
+		display: flex;
+		flex-direction: column;
+	}
+
+	&:not(.iconOnly) {
+		> .body {
+			width: $nav-width;
+
+			> .top {
+				position: sticky;
+				top: 0;
+				z-index: 1;
+				padding: 20px 0;
+				background: var(--X14);
+				-webkit-backdrop-filter: var(--blur, blur(8px));
+				backdrop-filter: var(--blur, blur(8px));
+
+				> .banner {
+					position: absolute;
+					top: 0;
+					left: 0;
+					width: 100%;
+					height: 100%;
+					background-size: cover;
+					background-position: center center;
+					-webkit-mask-image: linear-gradient(0deg, rgba(0,0,0,0) 15%, rgba(0,0,0,0.75) 100%);
+					mask-image: linear-gradient(0deg, rgba(0,0,0,0) 15%, rgba(0,0,0,0.75) 100%);
+				}
+
+				> .instance {
+					position: relative;
+					display: block;
+					text-align: center;
+					width: 100%;
+
+					> .icon {
+						display: inline-block;
+						width: 38px;
+						aspect-ratio: 1;
+					}
+				}
+			}
+
+			> .bottom {
+				position: sticky;
+				bottom: 0;
+				padding: 20px 0;
+				background: var(--X14);
+				-webkit-backdrop-filter: var(--blur, blur(8px));
+				backdrop-filter: var(--blur, blur(8px));
+
+				> .post {
+					position: relative;
+					display: block;
+					width: 100%;
+					height: 40px;
+					color: var(--fgOnAccent);
+					font-weight: bold;
+					text-align: left;
+
+					&:before {
+						content: "";
+						display: block;
+						width: calc(100% - 38px);
+						height: 100%;
+						margin: auto;
+						position: absolute;
+						top: 0;
+						left: 0;
+						right: 0;
+						bottom: 0;
+						border-radius: 999px;
+						background: linear-gradient(90deg, var(--buttonGradateA), var(--buttonGradateB));
+					}
+
+					&:hover, &.active {
+						&:before {
+							background: var(--accentLighten);
+						}
+					}
+
+					> .icon {
+						position: relative;
+						margin-left: 30px;
+						margin-right: 8px;
+						width: 32px;
+					}
+
+					> .text {
+						position: relative;
+					}
+				}
+
+				> .account {
+					position: relative;
+					display: flex;
+					align-items: center;
+					padding-left: 30px;
+					text-overflow: ellipsis;
+					overflow: hidden;
+					white-space: nowrap;
+					width: 100%;
+					text-align: left;
+					box-sizing: border-box;
+					margin-top: 16px;
+
+					> .avatar {
+						position: relative;
+						width: 32px;
+						aspect-ratio: 1;
+						margin-right: 8px;
+					}
+				}
+			}
+
+			> .middle {
+				flex: 1;
+
+				> .divider {
+					margin: 16px 16px;
+					border-top: solid 0.5px var(--divider);
+				}
+
+				> .item {
+					position: relative;
+					display: block;
+					padding-left: 30px;
+					line-height: 2.85rem;
+					text-overflow: ellipsis;
+					overflow: hidden;
+					white-space: nowrap;
+					width: 100%;
+					text-align: left;
+					box-sizing: border-box;
+					color: var(--navFg);
+
+					> .icon {
+						position: relative;
+						width: 32px;
+						margin-right: 8px;
+					}
+
+					> .indicator {
+						position: absolute;
+						top: 0;
+						left: 20px;
+						color: var(--navIndicator);
+						font-size: 8px;
+						animation: blink 1s infinite;
+					}
+
+					> .text {
+						position: relative;
+						font-size: 0.9em;
+					}
+
+					&:hover {
+						text-decoration: none;
+						color: var(--navHoverFg);
+					}
+
+					&.active {
+						color: var(--navActive);
+					}
+
+					&:hover, &.active {
+						color: var(--accent);
+
+						&:before {
+							content: "";
+							display: block;
+							width: calc(100% - 34px);
+							height: 100%;
+							margin: auto;
+							position: absolute;
+							top: 0;
+							left: 0;
+							right: 0;
+							bottom: 0;
+							border-radius: 999px;
+							background: var(--accentedBg);
+						}
+					}
+				}
+			}
+		}
+	}
+
+	&.iconOnly {
+		flex: 0 0 $nav-icon-only-width;
+		width: $nav-icon-only-width;
+
+		> .body {
+			width: $nav-icon-only-width;
+
+			> .top {
+				position: sticky;
+				top: 0;
+				z-index: 1;
+				padding: 20px 0;
+				background: var(--X14);
+				-webkit-backdrop-filter: var(--blur, blur(8px));
+				backdrop-filter: var(--blur, blur(8px));
+
+				> .instance {
+					display: block;
+					text-align: center;
+					width: 100%;
+
+					> .icon {
+						display: inline-block;
+						width: 30px;
+						aspect-ratio: 1;
+					}
+				}
+			}
+
+			> .bottom {
+				position: sticky;
+				bottom: 0;
+				padding: 20px 0;
+				background: var(--X14);
+				-webkit-backdrop-filter: var(--blur, blur(8px));
+				backdrop-filter: var(--blur, blur(8px));
+
+				> .post {
+					display: block;
+					position: relative;
+					width: 100%;
+					height: 52px;
+					margin-bottom: 16px;
+					text-align: center;
+
+					&:before {
+						content: "";
+						display: block;
+						position: absolute;
+						top: 0;
+						left: 0;
+						right: 0;
+						bottom: 0;
+						margin: auto;
+						width: 52px;
+						aspect-ratio: 1/1;
+						border-radius: 100%;
+						background: linear-gradient(90deg, var(--buttonGradateA), var(--buttonGradateB));
+					}
+
+					&:hover, &.active {
+						&:before {
+							background: var(--accentLighten);
+						}
+					}
+
+					> .icon {
+						position: relative;
+						color: var(--fgOnAccent);
+					}
+
+					> .text {
+						display: none;
+					}
+				}
+
+				> .account {
+					display: block;
+					text-align: center;
+					width: 100%;
+
+					> .avatar {
+						display: inline-block;
+						width: 38px;
+						aspect-ratio: 1;
+					}
+
+					> .text {
+						display: none;
+					}
+				}
+			}
+
+			> .middle {
+				flex: 1;
+
+				> .divider {
+					margin: 8px auto;
+					width: calc(100% - 32px);
+					border-top: solid 0.5px var(--divider);
+				}
+
+				> .item {
+					display: block;
+					position: relative;
+					padding: 18px 0;
+					width: 100%;
+					text-align: center;
+
+					> .icon {
+						display: block;
+						margin: 0 auto;
+						opacity: 0.7;
+					}
+
+					> .text {
+						display: none;
+					}
+
+					> .indicator {
+						position: absolute;
+						top: 6px;
+						left: 24px;
+						color: var(--navIndicator);
+						font-size: 8px;
+						animation: blink 1s infinite;
+					}
+
+					&:hover, &.active {
+						text-decoration: none;
+						color: var(--accent);
+
+						&:before {
+							content: "";
+							display: block;
+							height: 100%;
+							aspect-ratio: 1;
+							margin: auto;
+							position: absolute;
+							top: 0;
+							left: 0;
+							right: 0;
+							bottom: 0;
+							border-radius: 999px;
+							background: var(--accentedBg);
+						}
+
+						> .icon, > .text {
+							opacity: 1;
+						}
+					}
+				}
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/_common_/statusbar-federation.vue b/packages/frontend/src/ui/_common_/statusbar-federation.vue
new file mode 100644
index 0000000000..24fc4f6f6d
--- /dev/null
+++ b/packages/frontend/src/ui/_common_/statusbar-federation.vue
@@ -0,0 +1,108 @@
+<template>
+<span v-if="!fetching" class="nmidsaqw">
+	<template v-if="display === 'marquee'">
+		<transition name="change" mode="default">
+			<MarqueeText :key="key" :duration="marqueeDuration" :reverse="marqueeReverse">
+				<span v-for="instance in instances" :key="instance.id" class="item" :class="{ colored }" :style="{ background: colored ? instance.themeColor : null }">
+					<img class="icon" :src="getInstanceIcon(instance)" alt=""/>
+					<MkA :to="`/instance-info/${instance.host}`" class="host _monospace">
+						{{ instance.host }}
+					</MkA>
+					<span class="divider"></span>
+				</span>
+			</MarqueeText>
+		</transition>
+	</template>
+	<template v-else-if="display === 'oneByOne'">
+		<!-- TODO -->
+	</template>
+</span>
+</template>
+
+<script lang="ts" setup>
+import { computed, defineAsyncComponent, ref, toRef, watch } from 'vue';
+import * as misskey from 'misskey-js';
+import MarqueeText from '@/components/MkMarquee.vue';
+import * as os from '@/os';
+import { useInterval } from '@/scripts/use-interval';
+import { getNoteSummary } from '@/scripts/get-note-summary';
+import { notePage } from '@/filters/note';
+import { getProxiedImageUrlNullable } from '@/scripts/media-proxy';
+
+const props = defineProps<{
+	display?: 'marquee' | 'oneByOne';
+	colored?: boolean;
+	marqueeDuration?: number;
+	marqueeReverse?: boolean;
+	oneByOneInterval?: number;
+	refreshIntervalSec?: number;
+}>();
+
+const instances = ref<misskey.entities.Instance[]>([]);
+const fetching = ref(true);
+let key = $ref(0);
+
+const tick = () => {
+	os.api('federation/instances', {
+		sort: '+lastCommunicatedAt',
+		limit: 30,
+	}).then(res => {
+		instances.value = res;
+		fetching.value = false;
+		key++;
+	});
+};
+
+useInterval(tick, Math.max(5000, props.refreshIntervalSec * 1000), {
+	immediate: true,
+	afterMounted: true,
+});
+
+function getInstanceIcon(instance): string {
+	return getProxiedImageUrlNullable(instance.iconUrl, 'preview') ?? getProxiedImageUrlNullable(instance.faviconUrl, 'preview') ?? '/client-assets/dummy.png';
+}
+</script>
+
+<style lang="scss" scoped>
+.change-enter-active, .change-leave-active {
+	position: absolute;
+	top: 0;
+  transition: all 1s ease;
+}
+.change-enter-from {
+  opacity: 0;
+	transform: translateY(-100%);
+}
+.change-leave-to {
+  opacity: 0;
+	transform: translateY(100%);
+}
+
+.nmidsaqw {
+	display: inline-block;
+	position: relative;
+
+	::v-deep(.item) {
+		display: inline-block;
+		vertical-align: bottom;
+		margin-right: 5em;
+
+		> .icon {
+			display: inline-block;
+			height: var(--height);
+			aspect-ratio: 1;
+			vertical-align: bottom;
+			margin-right: 1em;
+		}
+
+		> .host {
+			vertical-align: bottom;
+		}
+
+		&.colored {
+			padding-right: 1em;
+			color: #fff;
+		}
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/_common_/statusbar-rss.vue b/packages/frontend/src/ui/_common_/statusbar-rss.vue
new file mode 100644
index 0000000000..e7f88e4984
--- /dev/null
+++ b/packages/frontend/src/ui/_common_/statusbar-rss.vue
@@ -0,0 +1,93 @@
+<template>
+<span v-if="!fetching" class="xbhtxfms">
+	<template v-if="display === 'marquee'">
+		<transition name="change" mode="default">
+			<MarqueeText :key="key" :duration="marqueeDuration" :reverse="marqueeReverse">
+				<span v-for="item in items" class="item">
+					<a class="link" :href="item.link" rel="nofollow noopener" target="_blank" :title="item.title">{{ item.title }}</a><span class="divider"></span>
+				</span>
+			</MarqueeText>
+		</transition>
+	</template>
+	<template v-else-if="display === 'oneByOne'">
+		<!-- TODO -->
+	</template>
+</span>
+</template>
+
+<script lang="ts" setup>
+import { computed, defineAsyncComponent, ref, toRef, watch } from 'vue';
+import MarqueeText from '@/components/MkMarquee.vue';
+import * as os from '@/os';
+import { useInterval } from '@/scripts/use-interval';
+import { shuffle } from '@/scripts/shuffle';
+
+const props = defineProps<{
+	url?: string;
+	shuffle?: boolean;
+	display?: 'marquee' | 'oneByOne';
+	marqueeDuration?: number;
+	marqueeReverse?: boolean;
+	oneByOneInterval?: number;
+	refreshIntervalSec?: number;
+}>();
+
+const items = ref([]);
+const fetching = ref(true);
+let key = $ref(0);
+
+const tick = () => {
+	window.fetch(`/api/fetch-rss?url=${props.url}`, {}).then(res => {
+		res.json().then(feed => {
+			if (props.shuffle) {
+				shuffle(feed.items);
+			}
+			items.value = feed.items;
+			fetching.value = false;
+			key++;
+		});
+	});
+};
+
+useInterval(tick, Math.max(5000, props.refreshIntervalSec * 1000), {
+	immediate: true,
+	afterMounted: true,
+});
+</script>
+
+<style lang="scss" scoped>
+.change-enter-active, .change-leave-active {
+	position: absolute;
+	top: 0;
+  transition: all 1s ease;
+}
+.change-enter-from {
+  opacity: 0;
+	transform: translateY(-100%);
+}
+.change-leave-to {
+  opacity: 0;
+	transform: translateY(100%);
+}
+
+.xbhtxfms {
+	display: inline-block;
+	position: relative;
+
+	::v-deep(.item) {
+		display: inline-flex;
+		align-items: center;
+		vertical-align: bottom;
+		margin: 0;
+
+		> .divider {
+			display: inline-block;
+			width: 0.5px;
+			height: var(--height);
+			margin: 0 3em;
+			background: currentColor;
+			opacity: 0.3;
+		}
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/_common_/statusbar-user-list.vue b/packages/frontend/src/ui/_common_/statusbar-user-list.vue
new file mode 100644
index 0000000000..f4d989c387
--- /dev/null
+++ b/packages/frontend/src/ui/_common_/statusbar-user-list.vue
@@ -0,0 +1,113 @@
+<template>
+<span v-if="!fetching" class="osdsvwzy">
+	<template v-if="display === 'marquee'">
+		<transition name="change" mode="default">
+			<MarqueeText :key="key" :duration="marqueeDuration" :reverse="marqueeReverse">
+				<span v-for="note in notes" :key="note.id" class="item">
+					<img class="avatar" :src="note.user.avatarUrl" decoding="async"/>
+					<MkA class="text" :to="notePage(note)">
+						<Mfm class="text" :text="getNoteSummary(note)" :plain="true" :nowrap="true" :custom-emojis="note.emojis"/>
+					</MkA>
+					<span class="divider"></span>
+				</span>
+			</MarqueeText>
+		</transition>
+	</template>
+	<template v-else-if="display === 'oneByOne'">
+		<!-- TODO -->
+	</template>
+</span>
+</template>
+
+<script lang="ts" setup>
+import { computed, defineAsyncComponent, ref, toRef, watch } from 'vue';
+import * as misskey from 'misskey-js';
+import MarqueeText from '@/components/MkMarquee.vue';
+import * as os from '@/os';
+import { useInterval } from '@/scripts/use-interval';
+import { getNoteSummary } from '@/scripts/get-note-summary';
+import { notePage } from '@/filters/note';
+
+const props = defineProps<{
+	userListId?: string;
+	display?: 'marquee' | 'oneByOne';
+	marqueeDuration?: number;
+	marqueeReverse?: boolean;
+	oneByOneInterval?: number;
+	refreshIntervalSec?: number;
+}>();
+
+const notes = ref<misskey.entities.Note[]>([]);
+const fetching = ref(true);
+let key = $ref(0);
+
+const tick = () => {
+	if (props.userListId == null) return;
+	os.api('notes/user-list-timeline', {
+		listId: props.userListId,
+	}).then(res => {
+		notes.value = res;
+		fetching.value = false;
+		key++;
+	});
+};
+
+watch(() => props.userListId, tick);
+
+useInterval(tick, Math.max(5000, props.refreshIntervalSec * 1000), {
+	immediate: true,
+	afterMounted: true,
+});
+</script>
+
+<style lang="scss" scoped>
+.change-enter-active, .change-leave-active {
+	position: absolute;
+	top: 0;
+  transition: all 1s ease;
+}
+.change-enter-from {
+  opacity: 0;
+	transform: translateY(-100%);
+}
+.change-leave-to {
+  opacity: 0;
+	transform: translateY(100%);
+}
+
+.osdsvwzy {
+	display: inline-block;
+	position: relative;
+
+	::v-deep(.item) {
+		display: inline-flex;
+		align-items: center;
+		vertical-align: bottom;
+		margin: 0;
+
+		> .avatar {
+			display: inline-block;
+			height: var(--height);
+			aspect-ratio: 1;
+			vertical-align: bottom;
+			margin-right: 8px;
+		}
+
+		> .text {
+			> .text {
+				display: inline-block;
+				vertical-align: bottom;
+			}
+		}
+
+		> .divider {
+			display: inline-block;
+			width: 0.5px;
+			height: 16px;
+			margin: 0 3em;
+			background: currentColor;
+			opacity: 0;
+		}
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/_common_/statusbars.vue b/packages/frontend/src/ui/_common_/statusbars.vue
new file mode 100644
index 0000000000..114ca5be8c
--- /dev/null
+++ b/packages/frontend/src/ui/_common_/statusbars.vue
@@ -0,0 +1,92 @@
+<template>
+<div class="dlrsnxqu">
+	<div
+		v-for="x in defaultStore.reactiveState.statusbars.value" :key="x.id" class="item" :class="[{ black: x.black }, {
+			verySmall: x.size === 'verySmall',
+			small: x.size === 'small',
+			medium: x.size === 'medium',
+			large: x.size === 'large',
+			veryLarge: x.size === 'veryLarge',
+		}]"
+	>
+		<span class="name">{{ x.name }}</span>
+		<XRss v-if="x.type === 'rss'" class="body" :refresh-interval-sec="x.props.refreshIntervalSec" :marquee-duration="x.props.marqueeDuration" :marquee-reverse="x.props.marqueeReverse" :display="x.props.display" :url="x.props.url" :shuffle="x.props.shuffle"/>
+		<XFederation v-else-if="x.type === 'federation'" class="body" :refresh-interval-sec="x.props.refreshIntervalSec" :marquee-duration="x.props.marqueeDuration" :marquee-reverse="x.props.marqueeReverse" :display="x.props.display" :colored="x.props.colored"/>
+		<XUserList v-else-if="x.type === 'userList'" class="body" :refresh-interval-sec="x.props.refreshIntervalSec" :marquee-duration="x.props.marqueeDuration" :marquee-reverse="x.props.marqueeReverse" :display="x.props.display" :user-list-id="x.props.userListId"/>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { computed, defineAsyncComponent, ref, toRef, watch } from 'vue';
+import * as os from '@/os';
+import { defaultStore } from '@/store';
+const XRss = defineAsyncComponent(() => import('./statusbar-rss.vue'));
+const XFederation = defineAsyncComponent(() => import('./statusbar-federation.vue'));
+const XUserList = defineAsyncComponent(() => import('./statusbar-user-list.vue'));
+</script>
+
+<style lang="scss" scoped>
+.dlrsnxqu {
+	font-size: 15px;
+	background: var(--panel);
+
+	> .item {
+		--height: 24px;
+		--nameMargin: 10px;
+		font-size: 0.85em;
+
+		&.verySmall {
+			--nameMargin: 7px;
+			--height: 16px;
+			font-size: 0.75em;
+		}
+
+		&.small {
+			--nameMargin: 8px;
+			--height: 20px;
+			font-size: 0.8em;
+		}
+
+		&.large {
+			--nameMargin: 12px;
+			--height: 26px;
+			font-size: 0.875em;
+		}
+
+		&.veryLarge {
+			--nameMargin: 14px;
+			--height: 30px;
+			font-size: 0.9em;
+		}
+
+		display: flex;
+		vertical-align: bottom;
+		width: 100%;
+		line-height: var(--height);
+		height: var(--height);
+		overflow: clip;
+		contain: strict;
+
+		> .name {
+			padding: 0 var(--nameMargin);
+			font-weight: bold;
+			color: var(--accent);
+
+			&:empty {
+				display: none;
+			}
+		}
+
+		> .body {
+			min-width: 0;
+			flex: 1;
+		}
+
+		&.black {
+			background: #000;
+			color: #fff;
+		}
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/_common_/stream-indicator.vue b/packages/frontend/src/ui/_common_/stream-indicator.vue
new file mode 100644
index 0000000000..a855de8ab9
--- /dev/null
+++ b/packages/frontend/src/ui/_common_/stream-indicator.vue
@@ -0,0 +1,61 @@
+<template>
+<div v-if="hasDisconnected && $store.state.serverDisconnectedBehavior === 'quiet'" class="nsbbhtug" @click="resetDisconnected">
+	<div>{{ i18n.ts.disconnectedFromServer }}</div>
+	<div class="command">
+		<button class="_textButton" @click="reload">{{ i18n.ts.reload }}</button>
+		<button class="_textButton">{{ i18n.ts.doNothing }}</button>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { onUnmounted } from 'vue';
+import { stream } from '@/stream';
+import { i18n } from '@/i18n';
+
+let hasDisconnected = $ref(false);
+
+function onDisconnected() {
+	hasDisconnected = true;
+}
+
+function resetDisconnected() {
+	hasDisconnected = false;
+}
+
+function reload() {
+	location.reload();
+}
+
+stream.on('_disconnected_', onDisconnected);
+
+onUnmounted(() => {
+	stream.off('_disconnected_', onDisconnected);
+});
+</script>
+
+<style lang="scss" scoped>
+.nsbbhtug {
+	position: fixed;
+	z-index: 16385;
+	bottom: 8px;
+	right: 8px;
+	margin: 0;
+	padding: 6px 12px;
+	font-size: 0.9em;
+	color: #fff;
+	background: #000;
+	opacity: 0.8;
+	border-radius: 4px;
+	max-width: 320px;
+
+	> .command {
+		display: flex;
+		justify-content: space-around;
+
+		> button {
+			padding: 0.7em;
+		}
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/_common_/sw-inject.ts b/packages/frontend/src/ui/_common_/sw-inject.ts
new file mode 100644
index 0000000000..8676d2d48d
--- /dev/null
+++ b/packages/frontend/src/ui/_common_/sw-inject.ts
@@ -0,0 +1,35 @@
+import { inject } from 'vue';
+import { post } from '@/os';
+import { $i, login } from '@/account';
+import { defaultStore } from '@/store';
+import { getAccountFromId } from '@/scripts/get-account-from-id';
+import { mainRouter } from '@/router';
+
+export function swInject() {
+	navigator.serviceWorker.addEventListener('message', ev => {
+		if (_DEV_) {
+			console.log('sw msg', ev.data);
+		}
+
+		if (ev.data.type !== 'order') return;
+
+		if (ev.data.loginId !== $i?.id) {
+			return getAccountFromId(ev.data.loginId).then(account => {
+				if (!account) return;
+				return login(account.token, ev.data.url);
+			});
+		}
+
+		switch (ev.data.order) {
+			case 'post':
+				return post(ev.data.options);
+			case 'push':
+				if (mainRouter.currentRoute.value.path === ev.data.url) {
+					return window.scroll({ top: 0, behavior: 'smooth' });
+				}
+				return mainRouter.push(ev.data.url);
+			default:
+				return;
+		}
+	});
+}
diff --git a/packages/frontend/src/ui/_common_/upload.vue b/packages/frontend/src/ui/_common_/upload.vue
new file mode 100644
index 0000000000..70882bd251
--- /dev/null
+++ b/packages/frontend/src/ui/_common_/upload.vue
@@ -0,0 +1,129 @@
+<template>
+<div class="mk-uploader _acrylic" :style="{ zIndex }">
+	<ol v-if="uploads.length > 0">
+		<li v-for="ctx in uploads" :key="ctx.id">
+			<div class="img" :style="{ backgroundImage: `url(${ ctx.img })` }"></div>
+			<div class="top">
+				<p class="name"><MkLoading :em="true"/>{{ ctx.name }}</p>
+				<p class="status">
+					<span v-if="ctx.progressValue === undefined" class="initing">{{ i18n.ts.waiting }}<MkEllipsis/></span>
+					<span v-if="ctx.progressValue !== undefined" class="kb">{{ String(Math.floor(ctx.progressValue / 1024)).replace(/(\d)(?=(\d\d\d)+(?!\d))/g, '$1,') }}<i>KB</i> / {{ String(Math.floor(ctx.progressMax / 1024)).replace(/(\d)(?=(\d\d\d)+(?!\d))/g, '$1,') }}<i>KB</i></span>
+					<span v-if="ctx.progressValue !== undefined" class="percentage">{{ Math.floor((ctx.progressValue / ctx.progressMax) * 100) }}</span>
+				</p>
+			</div>
+			<progress :value="ctx.progressValue || 0" :max="ctx.progressMax || 0" :class="{ initing: ctx.progressValue === undefined, waiting: ctx.progressValue !== undefined && ctx.progressValue === ctx.progressMax }"></progress>
+		</li>
+	</ol>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { } from 'vue';
+import * as os from '@/os';
+import { uploads } from '@/scripts/upload';
+import { i18n } from '@/i18n';
+
+const zIndex = os.claimZIndex('high');
+</script>
+
+<style lang="scss" scoped>
+.mk-uploader {
+	position: fixed;
+	right: 16px;
+	width: 260px;
+	top: 32px;
+	padding: 16px 20px;
+	pointer-events: none;
+	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
+	border-radius: 8px;
+}
+.mk-uploader:empty {
+  display: none;
+}
+.mk-uploader > ol {
+  display: block;
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+.mk-uploader > ol > li {
+  display: grid;
+  margin: 8px 0 0 0;
+  padding: 0;
+  height: 36px;
+  width: 100%;
+  border-top: solid 8px transparent;
+  grid-template-columns: 36px calc(100% - 44px);
+  grid-template-rows: 1fr 8px;
+  column-gap: 8px;
+  box-sizing: content-box;
+}
+.mk-uploader > ol > li:first-child {
+  margin: 0;
+  box-shadow: none;
+  border-top: none;
+}
+.mk-uploader > ol > li > .img {
+  display: block;
+  background-size: cover;
+  background-position: center center;
+  grid-column: 1/2;
+  grid-row: 1/3;
+}
+.mk-uploader > ol > li > .top {
+  display: flex;
+  grid-column: 2/3;
+  grid-row: 1/2;
+}
+.mk-uploader > ol > li > .top > .name {
+  display: block;
+  padding: 0 8px 0 0;
+  margin: 0;
+  font-size: 0.8em;
+  white-space: nowrap;
+  text-overflow: ellipsis;
+  overflow: hidden;
+  flex-shrink: 1;
+}
+.mk-uploader > ol > li > .top > .name > i {
+  margin-right: 4px;
+}
+.mk-uploader > ol > li > .top > .status {
+  display: block;
+  margin: 0 0 0 auto;
+  padding: 0;
+  font-size: 0.8em;
+  flex-shrink: 0;
+}
+.mk-uploader > ol > li > .top > .status > .initing {
+}
+.mk-uploader > ol > li > .top > .status > .kb {
+}
+.mk-uploader > ol > li > .top > .status > .percentage {
+  display: inline-block;
+  width: 48px;
+  text-align: right;
+}
+.mk-uploader > ol > li > .top > .status > .percentage:after {
+  content: '%';
+}
+.mk-uploader > ol > li > progress {
+  display: block;
+  background: transparent;
+  border: none;
+  border-radius: 4px;
+  overflow: hidden;
+  grid-column: 2/3;
+  grid-row: 2/3;
+  z-index: 2;
+	width: 100%;
+	height: 8px;
+}
+.mk-uploader > ol > li > progress::-webkit-progress-value {
+  background: var(--accent);
+}
+.mk-uploader > ol > li > progress::-webkit-progress-bar {
+  //background: var(--accentAlpha01);
+	background: transparent;
+}
+</style>
diff --git a/packages/frontend/src/ui/classic.header.vue b/packages/frontend/src/ui/classic.header.vue
new file mode 100644
index 0000000000..46d79e6355
--- /dev/null
+++ b/packages/frontend/src/ui/classic.header.vue
@@ -0,0 +1,217 @@
+<template>
+<div class="azykntjl">
+	<div class="body">
+		<div class="left">
+			<MkA v-click-anime v-tooltip="$ts.timeline" class="item index" active-class="active" to="/" exact>
+				<i class="ti ti-home ti-fw"></i>
+			</MkA>
+			<template v-for="item in menu">
+				<div v-if="item === '-'" class="divider"></div>
+				<component :is="navbarItemDef[item].to ? 'MkA' : 'button'" v-else-if="navbarItemDef[item] && (navbarItemDef[item].show !== false)" v-click-anime v-tooltip="$ts[navbarItemDef[item].title]" class="item _button" :class="item" active-class="active" :to="navbarItemDef[item].to" v-on="navbarItemDef[item].action ? { click: navbarItemDef[item].action } : {}">
+					<i class="ti-fw" :class="navbarItemDef[item].icon"></i>
+					<span v-if="navbarItemDef[item].indicated" class="indicator"><i class="_indicatorCircle"></i></span>
+				</component>
+			</template>
+			<div class="divider"></div>
+			<MkA v-if="$i.isAdmin || $i.isModerator" v-click-anime v-tooltip="$ts.controlPanel" class="item" active-class="active" to="/admin" :behavior="settingsWindowed ? 'modalWindow' : null">
+				<i class="ti ti-dashboard ti-fw"></i>
+			</MkA>
+			<button v-click-anime class="item _button" @click="more">
+				<i class="ti ti-dots ti-fw"></i>
+				<span v-if="otherNavItemIndicated" class="indicator"><i class="_indicatorCircle"></i></span>
+			</button>
+		</div>
+		<div class="right">
+			<MkA v-click-anime v-tooltip="$ts.settings" class="item" active-class="active" to="/settings" :behavior="settingsWindowed ? 'modalWindow' : null">
+				<i class="ti ti-settings ti-fw"></i>
+			</MkA>
+			<button v-click-anime class="item _button account" @click="openAccountMenu">
+				<MkAvatar :user="$i" class="avatar"/><MkAcct class="acct" :user="$i"/>
+			</button>
+			<div class="post" @click="post">
+				<MkButton class="button" gradate full rounded>
+					<i class="ti ti-pencil ti-fw"></i>
+				</MkButton>
+			</div>
+		</div>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import { defineAsyncComponent, defineComponent } from 'vue';
+import { host } from '@/config';
+import { search } from '@/scripts/search';
+import * as os from '@/os';
+import { navbarItemDef } from '@/navbar';
+import { openAccountMenu } from '@/account';
+import MkButton from '@/components/MkButton.vue';
+
+export default defineComponent({
+	components: {
+		MkButton,
+	},
+
+	data() {
+		return {
+			host: host,
+			accounts: [],
+			connection: null,
+			navbarItemDef: navbarItemDef,
+			settingsWindowed: false,
+		};
+	},
+
+	computed: {
+		menu(): string[] {
+			return this.$store.state.menu;
+		},
+
+		otherNavItemIndicated(): boolean {
+			for (const def in this.navbarItemDef) {
+				if (this.menu.includes(def)) continue;
+				if (this.navbarItemDef[def].indicated) return true;
+			}
+			return false;
+		},
+	},
+
+	watch: {
+		'$store.reactiveState.menuDisplay.value'() {
+			this.calcViewState();
+		},
+	},
+
+	created() {
+		window.addEventListener('resize', this.calcViewState);
+		this.calcViewState();
+	},
+
+	methods: {
+		calcViewState() {
+			this.settingsWindowed = (window.innerWidth > 1400);
+		},
+
+		post() {
+			os.post();
+		},
+
+		search() {
+			search();
+		},
+
+		more(ev) {
+			os.popup(defineAsyncComponent(() => import('@/components/MkLaunchPad.vue')), {
+				src: ev.currentTarget ?? ev.target,
+				anchor: { x: 'center', y: 'bottom' },
+			}, {
+			}, 'closed');
+		},
+
+		openAccountMenu: (ev) => {
+			openAccountMenu({
+				withExtraOperation: true,
+			}, ev);
+		},
+	},
+});
+</script>
+
+<style lang="scss" scoped>
+.azykntjl {
+	$height: 60px;
+	$avatar-size: 32px;
+	$avatar-margin: 8px;
+
+	position: sticky;
+	top: 0;
+	z-index: 1000;
+	width: 100%;
+	height: $height;
+	background-color: var(--bg);
+
+	> .body {
+		max-width: 1380px;
+		margin: 0 auto;
+		display: flex;
+
+		> .right,
+		> .left {
+
+			> .item {
+				position: relative;
+				font-size: 0.9em;
+				display: inline-block;
+				padding: 0 12px;
+				line-height: $height;
+
+				> i,
+				> .avatar {
+					margin-right: 0;
+				}
+
+				> i {
+					left: 10px;
+				}
+
+				> .avatar {
+					width: $avatar-size;
+					height: $avatar-size;
+					vertical-align: middle;
+				}
+
+				> .indicator {
+					position: absolute;
+					top: 0;
+					left: 0;
+					color: var(--navIndicator);
+					font-size: 8px;
+					animation: blink 1s infinite;
+				}
+
+				&:hover {
+					text-decoration: none;
+					color: var(--navHoverFg);
+				}
+
+				&.active {
+					color: var(--navActive);
+				}
+			}
+
+			> .divider {
+				display: inline-block;
+				height: 16px;
+				margin: 0 10px;
+				border-right: solid 0.5px var(--divider);
+			}
+
+			> .post {
+				display: inline-block;
+			
+				> .button {
+					width: 40px;
+					height: 40px;
+					padding: 0;
+					min-width: 0;
+				}
+			}
+
+			> .account {
+				display: inline-flex;
+				align-items: center;
+				vertical-align: top;
+				margin-right: 8px;
+
+				> .acct {
+					margin-left: 8px;
+				}
+			}
+		}
+
+		> .right {
+			margin-left: auto;
+		}
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/classic.sidebar.vue b/packages/frontend/src/ui/classic.sidebar.vue
new file mode 100644
index 0000000000..dac09ea703
--- /dev/null
+++ b/packages/frontend/src/ui/classic.sidebar.vue
@@ -0,0 +1,268 @@
+<template>
+<div class="npcljfve" :class="{ iconOnly }">
+	<button v-click-anime class="item _button account" @click="openAccountMenu">
+		<MkAvatar :user="$i" class="avatar"/><MkAcct class="text" :user="$i"/>
+	</button>
+	<div class="post" data-cy-open-post-form @click="post">
+		<MkButton class="button" gradate full rounded>
+			<i class="ti ti-pencil ti-fw"></i><span v-if="!iconOnly" class="text">{{ $ts.note }}</span>
+		</MkButton>
+	</div>
+	<div class="divider"></div>
+	<MkA v-click-anime class="item index" active-class="active" to="/" exact>
+		<i class="ti ti-home ti-fw"></i><span class="text">{{ $ts.timeline }}</span>
+	</MkA>
+	<template v-for="item in menu">
+		<div v-if="item === '-'" class="divider"></div>
+		<component :is="navbarItemDef[item].to ? 'MkA' : 'button'" v-else-if="navbarItemDef[item] && (navbarItemDef[item].show !== false)" v-click-anime class="item _button" :class="item" active-class="active" :to="navbarItemDef[item].to" v-on="navbarItemDef[item].action ? { click: navbarItemDef[item].action } : {}">
+			<i class="ti-fw" :class="navbarItemDef[item].icon"></i><span class="text">{{ $ts[navbarItemDef[item].title] }}</span>
+			<span v-if="navbarItemDef[item].indicated" class="indicator"><i class="_indicatorCircle"></i></span>
+		</component>
+	</template>
+	<div class="divider"></div>
+	<MkA v-if="$i.isAdmin || $i.isModerator" v-click-anime class="item" active-class="active" to="/admin" :behavior="settingsWindowed ? 'modalWindow' : null">
+		<i class="ti ti-dashboard ti-fw"></i><span class="text">{{ $ts.controlPanel }}</span>
+	</MkA>
+	<button v-click-anime class="item _button" @click="more">
+		<i class="ti ti-dots ti-fw"></i><span class="text">{{ $ts.more }}</span>
+		<span v-if="otherNavItemIndicated" class="indicator"><i class="_indicatorCircle"></i></span>
+	</button>
+	<MkA v-click-anime class="item" active-class="active" to="/settings" :behavior="settingsWindowed ? 'modalWindow' : null">
+		<i class="ti ti-settings ti-fw"></i><span class="text">{{ $ts.settings }}</span>
+	</MkA>
+	<div class="divider"></div>
+	<div class="about">
+		<MkA v-click-anime class="link" to="/about">
+			<img :src="$instance.iconUrl || $instance.faviconUrl || '/favicon.ico'" class="_ghost"/>
+		</MkA>
+	</div>
+	<!--<MisskeyLogo class="misskey"/>-->
+</div>
+</template>
+
+<script lang="ts">
+import { defineAsyncComponent, defineComponent } from 'vue';
+import { host } from '@/config';
+import { search } from '@/scripts/search';
+import * as os from '@/os';
+import { navbarItemDef } from '@/navbar';
+import { openAccountMenu } from '@/account';
+import MkButton from '@/components/MkButton.vue';
+import { StickySidebar } from '@/scripts/sticky-sidebar';
+//import MisskeyLogo from '@assets/client/misskey.svg';
+
+export default defineComponent({
+	components: {
+		MkButton,
+		//MisskeyLogo,
+	},
+
+	data() {
+		return {
+			host: host,
+			accounts: [],
+			connection: null,
+			navbarItemDef: navbarItemDef,
+			iconOnly: false,
+			settingsWindowed: false,
+		};
+	},
+
+	computed: {
+		menu(): string[] {
+			return this.$store.state.menu;
+		},
+
+		otherNavItemIndicated(): boolean {
+			for (const def in this.navbarItemDef) {
+				if (this.menu.includes(def)) continue;
+				if (this.navbarItemDef[def].indicated) return true;
+			}
+			return false;
+		},
+	},
+
+	watch: {
+		'$store.reactiveState.menuDisplay.value'() {
+			this.calcViewState();
+		},
+
+		iconOnly() {
+			this.$nextTick(() => {
+				this.$emit('change-view-mode');
+			});
+		},
+	},
+
+	created() {
+		window.addEventListener('resize', this.calcViewState);
+		this.calcViewState();
+	},
+
+	mounted() {
+		const sticky = new StickySidebar(this.$el.parentElement, 16);
+		window.addEventListener('scroll', () => {
+			sticky.calc(window.scrollY);
+		}, { passive: true });
+	},
+
+	methods: {
+		calcViewState() {
+			this.iconOnly = (window.innerWidth <= 1400) || (this.$store.state.menuDisplay === 'sideIcon');
+			this.settingsWindowed = (window.innerWidth > 1400);
+		},
+
+		post() {
+			os.post();
+		},
+
+		search() {
+			search();
+		},
+
+		more(ev) {
+			os.popup(defineAsyncComponent(() => import('@/components/MkLaunchPad.vue')), {
+				src: ev.currentTarget ?? ev.target,
+			}, {}, 'closed');
+		},
+
+		openAccountMenu: (ev) => {
+			openAccountMenu({
+				withExtraOperation: true,
+			}, ev);
+		},
+	},
+});
+</script>
+
+<style lang="scss" scoped>
+.npcljfve {
+	$ui-font-size: 1em; // TODO: どこかに集約したい
+	$nav-icon-only-width: 78px; // TODO: どこかに集約したい
+	$avatar-size: 32px;
+	$avatar-margin: 8px;
+
+	padding: 0 16px;
+	box-sizing: border-box;
+	width: 260px;
+
+	&.iconOnly {
+		flex: 0 0 $nav-icon-only-width;
+		width: $nav-icon-only-width !important;
+
+		> .divider {
+			margin: 8px auto;
+			width: calc(100% - 32px);
+		}
+
+		> .post {
+			> .button {
+				width: 46px;
+				height: 46px;
+				padding: 0;
+			}
+		}
+
+		> .item {
+			padding-left: 0;
+			width: 100%;
+			text-align: center;
+			font-size: $ui-font-size * 1.1;
+			line-height: 3.7rem;
+
+			> i,
+			> .avatar {
+				margin-right: 0;
+			}
+
+			> i {
+				left: 10px;
+			}
+
+			> .text {
+				display: none;
+			}
+		}
+	}
+
+	> .divider {
+		margin: 10px 0;
+		border-top: solid 0.5px var(--divider);
+	}
+
+	> .post {
+		position: sticky;
+		top: 0;
+		z-index: 1;
+		padding: 16px 0;
+		background: var(--bg);
+
+		> .button {
+			min-width: 0;
+		}
+	}
+
+	> .about {
+		fill: currentColor;
+		padding: 8px 0 16px 0;
+		text-align: center;
+
+		> .link {
+			display: block;
+			width: 32px;
+			margin: 0 auto;
+
+			img {
+				display: block;
+				width: 100%;
+			}
+		}
+	}
+
+	> .item {
+		position: relative;
+		display: block;
+		font-size: $ui-font-size;
+		line-height: 2.6rem;
+		text-overflow: ellipsis;
+		overflow: hidden;
+		white-space: nowrap;
+		width: 100%;
+		text-align: left;
+		box-sizing: border-box;
+
+		> i {
+			width: 32px;
+		}
+
+		> i,
+		> .avatar {
+			margin-right: $avatar-margin;
+		}
+
+		> .avatar {
+			width: $avatar-size;
+			height: $avatar-size;
+			vertical-align: middle;
+		}
+
+		> .indicator {
+			position: absolute;
+			top: 0;
+			left: 0;
+			color: var(--navIndicator);
+			font-size: 8px;
+			animation: blink 1s infinite;
+		}
+
+		&:hover {
+			text-decoration: none;
+			color: var(--navHoverFg);
+		}
+
+		&.active {
+			color: var(--navActive);
+		}
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/classic.vue b/packages/frontend/src/ui/classic.vue
new file mode 100644
index 0000000000..0e726c11ed
--- /dev/null
+++ b/packages/frontend/src/ui/classic.vue
@@ -0,0 +1,320 @@
+<template>
+<div class="gbhvwtnk" :class="{ wallpaper }" :style="`--globalHeaderHeight:${globalHeaderHeight}px`">
+	<XHeaderMenu v-if="showMenuOnTop" v-get-size="(w, h) => globalHeaderHeight = h"/>
+
+	<div class="columns" :class="{ fullView, withGlobalHeader: showMenuOnTop }">
+		<div v-if="!showMenuOnTop" class="sidebar">
+			<XSidebar/>
+		</div>
+		<div v-else ref="widgetsLeft" class="widgets left">
+			<XWidgets :place="'left'" @mounted="attachSticky(widgetsLeft)"/>
+		</div>
+
+		<main class="main" :style="{ background: pageMetadata?.value?.bg }" @contextmenu.stop="onContextmenu">
+			<div class="content">
+				<RouterView/>
+			</div>
+		</main>
+
+		<div v-if="isDesktop" ref="widgetsRight" class="widgets right">
+			<XWidgets :place="null" @mounted="attachSticky(widgetsRight)"/>
+		</div>
+	</div>
+
+	<transition :name="$store.state.animation ? 'tray-back' : ''">
+		<div
+			v-if="widgetsShowing"
+			class="tray-back _modalBg"
+			@click="widgetsShowing = false"
+			@touchstart.passive="widgetsShowing = false"
+		></div>
+	</transition>
+
+	<transition :name="$store.state.animation ? 'tray' : ''">
+		<XWidgets v-if="widgetsShowing" class="tray"/>
+	</transition>
+
+	<iframe v-if="$store.state.aiChanMode" ref="live2d" class="ivnzpscs" src="https://misskey-dev.github.io/mascot-web/?scale=2&y=1.4"></iframe>
+
+	<XCommon/>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { defineAsyncComponent, markRaw, ComputedRef, ref, onMounted, provide } from 'vue';
+import XSidebar from './classic.sidebar.vue';
+import XCommon from './_common_/common.vue';
+import { instanceName } from '@/config';
+import { StickySidebar } from '@/scripts/sticky-sidebar';
+import * as os from '@/os';
+import { mainRouter } from '@/router';
+import { PageMetadata, provideMetadataReceiver, setPageMetadata } from '@/scripts/page-metadata';
+import { defaultStore } from '@/store';
+import { i18n } from '@/i18n';
+const XHeaderMenu = defineAsyncComponent(() => import('./classic.header.vue'));
+const XWidgets = defineAsyncComponent(() => import('./classic.widgets.vue'));
+
+const DESKTOP_THRESHOLD = 1100;
+
+let isDesktop = $ref(window.innerWidth >= DESKTOP_THRESHOLD);
+
+let pageMetadata = $ref<null | ComputedRef<PageMetadata>>();
+let widgetsShowing = $ref(false);
+let fullView = $ref(false);
+let globalHeaderHeight = $ref(0);
+const wallpaper = localStorage.getItem('wallpaper') != null;
+const showMenuOnTop = $computed(() => defaultStore.state.menuDisplay === 'top');
+let live2d = $ref<HTMLIFrameElement>();
+let widgetsLeft = $ref();
+let widgetsRight = $ref();
+
+provide('router', mainRouter);
+provideMetadataReceiver((info) => {
+	pageMetadata = info;
+	if (pageMetadata.value) {
+		document.title = `${pageMetadata.value.title} | ${instanceName}`;
+	}
+});
+provide('shouldHeaderThin', showMenuOnTop);
+provide('shouldSpacerMin', true);
+
+function attachSticky(el) {
+	const sticky = new StickySidebar(el, defaultStore.state.menuDisplay === 'top' ? 0 : 16, defaultStore.state.menuDisplay === 'top' ? 60 : 0); // TODO: ヘッダーの高さを60pxと決め打ちしているのを直す
+	window.addEventListener('scroll', () => {
+		sticky.calc(window.scrollY);
+	}, { passive: true });
+}
+
+function top() {
+	window.scroll({ top: 0, behavior: 'smooth' });
+}
+
+function onContextmenu(ev: MouseEvent) {
+	const isLink = (el: HTMLElement) => {
+		if (el.tagName === 'A') return true;
+		if (el.parentElement) {
+			return isLink(el.parentElement);
+		}
+	};
+	if (isLink(ev.target)) return;
+	if (['INPUT', 'TEXTAREA', 'IMG', 'VIDEO', 'CANVAS'].includes(ev.target.tagName) || ev.target.attributes['contenteditable']) return;
+	if (window.getSelection().toString() !== '') return;
+	const path = mainRouter.getCurrentPath();
+	os.contextMenu([{
+		type: 'label',
+		text: path,
+	}, {
+		icon: fullView ? 'fas fa-compress' : 'fas fa-expand',
+		text: fullView ? i18n.ts.quitFullView : i18n.ts.fullView,
+		action: () => {
+			fullView = !fullView;
+		},
+	}, {
+		icon: 'ti ti-window-maximize',
+		text: i18n.ts.openInWindow,
+		action: () => {
+			os.pageWindow(path);
+		},
+	}], ev);
+}
+
+function onAiClick(ev) {
+	//if (this.live2d) this.live2d.click(ev);
+}
+
+if (window.innerWidth < 1024) {
+	localStorage.setItem('ui', 'default');
+	location.reload();
+}
+
+document.documentElement.style.overflowY = 'scroll';
+
+if (defaultStore.state.widgets.length === 0) {
+	defaultStore.set('widgets', [{
+		name: 'calendar',
+		id: 'a', place: null, data: {},
+	}, {
+		name: 'notifications',
+		id: 'b', place: null, data: {},
+	}, {
+		name: 'trends',
+		id: 'c', place: null, data: {},
+	}]);
+}
+
+onMounted(() => {
+	window.addEventListener('resize', () => {
+		isDesktop = (window.innerWidth >= DESKTOP_THRESHOLD);
+	}, { passive: true });
+
+	if (defaultStore.state.aiChanMode) {
+		const iframeRect = live2d.getBoundingClientRect();
+		window.addEventListener('mousemove', ev => {
+			live2d.contentWindow.postMessage({
+				type: 'moveCursor',
+				body: {
+					x: ev.clientX - iframeRect.left,
+					y: ev.clientY - iframeRect.top,
+				},
+			}, '*');
+		}, { passive: true });
+		window.addEventListener('touchmove', ev => {
+			live2d.contentWindow.postMessage({
+				type: 'moveCursor',
+				body: {
+					x: ev.touches[0].clientX - iframeRect.left,
+					y: ev.touches[0].clientY - iframeRect.top,
+				},
+			}, '*');
+		}, { passive: true });
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.tray-enter-active,
+.tray-leave-active {
+	opacity: 1;
+	transform: translateX(0);
+	transition: transform 300ms cubic-bezier(0.23, 1, 0.32, 1), opacity 300ms cubic-bezier(0.23, 1, 0.32, 1);
+}
+.tray-enter-from,
+.tray-leave-active {
+	opacity: 0;
+	transform: translateX(240px);
+}
+
+.tray-back-enter-active,
+.tray-back-leave-active {
+	opacity: 1;
+	transition: opacity 300ms cubic-bezier(0.23, 1, 0.32, 1);
+}
+.tray-back-enter-from,
+.tray-back-leave-active {
+	opacity: 0;
+}
+
+.gbhvwtnk {
+	$ui-font-size: 1em;
+	$widgets-hide-threshold: 1200px;
+
+	min-height: 100dvh;
+	box-sizing: border-box;
+
+	&.wallpaper {
+		background: var(--wallpaperOverlay);
+		//backdrop-filter: var(--blur, blur(4px));
+	}
+
+	> .columns {
+		display: flex;
+		justify-content: center;
+		max-width: 100%;
+		//margin: 32px 0;
+
+		&.fullView {
+			margin: 0;
+		
+			> .sidebar {
+				display: none;
+			}
+
+			> .widgets {
+				display: none;
+			}
+
+			> .main {
+				margin: 0;
+				border-radius: 0;
+				box-shadow: none;
+				width: 100%;
+			}
+		}
+
+		> .main {
+			min-width: 0;
+			width: 750px;
+			margin: 0 16px 0 0;
+			background: var(--panel);
+			border-left: solid 1px var(--divider);
+			border-right: solid 1px var(--divider);
+			border-radius: 0;
+			overflow: clip;
+			--margin: 12px;
+		}
+
+		> .widgets {
+			//--panelBorder: none;
+			width: 300px;
+			margin-top: 16px;
+
+			@media (max-width: $widgets-hide-threshold) {
+				display: none;
+			}
+
+			&.left {
+				margin-right: 16px;
+			}
+		}
+
+		> .sidebar {
+			margin-top: 16px;
+		}
+
+		&.withGlobalHeader {
+			> .main {
+				margin-top: 0;
+				border: solid 1px var(--divider);
+				border-radius: var(--radius);
+				--stickyTop: var(--globalHeaderHeight);
+			}
+
+			> .widgets {
+				--stickyTop: var(--globalHeaderHeight);
+				margin-top: 0;
+			}
+		}
+
+		@media (max-width: 850px) {
+			margin: 0;
+
+			> .sidebar {
+				border-right: solid 0.5px var(--divider);
+			}
+
+			> .main {
+				margin: 0;
+				border-radius: 0;
+				box-shadow: none;
+				width: 100%;
+			}
+		}
+	}
+
+	> .tray-back {
+		z-index: 1001;
+	}
+
+	> .tray {
+		position: fixed;
+		top: 0;
+		right: 0;
+		z-index: 1001;
+		height: 100dvh;
+		padding: var(--margin);
+		box-sizing: border-box;
+		overflow: auto;
+		background: var(--bg);
+	}
+
+	> .ivnzpscs {
+		position: fixed;
+		bottom: 0;
+		right: 0;
+		width: 300px;
+		height: 600px;
+		border: none;
+		pointer-events: none;
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/classic.widgets.vue b/packages/frontend/src/ui/classic.widgets.vue
new file mode 100644
index 0000000000..163ec982ce
--- /dev/null
+++ b/packages/frontend/src/ui/classic.widgets.vue
@@ -0,0 +1,84 @@
+<template>
+<div class="ddiqwdnk">
+	<XWidgets class="widgets" :edit="editMode" :widgets="$store.reactiveState.widgets.value.filter(w => w.place === place)" @add-widget="addWidget" @remove-widget="removeWidget" @update-widget="updateWidget" @update-widgets="updateWidgets" @exit="editMode = false"/>
+	<MkAd class="a" :prefer="['square']"/>
+
+	<button v-if="editMode" class="_textButton edit" style="font-size: 0.9em;" @click="editMode = false"><i class="ti ti-check"></i> {{ $ts.editWidgetsExit }}</button>
+	<button v-else class="_textButton edit" style="font-size: 0.9em;" @click="editMode = true"><i class="ti ti-pencil"></i> {{ $ts.editWidgets }}</button>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent, defineAsyncComponent } from 'vue';
+import XWidgets from '@/components/MkWidgets.vue';
+
+export default defineComponent({
+	components: {
+		XWidgets,
+	},
+
+	props: {
+		place: {
+			type: String,
+		},
+	},
+
+	emits: ['mounted'],
+
+	data() {
+		return {
+			editMode: false,
+		};
+	},
+
+	mounted() {
+		this.$emit('mounted', this.$el);
+	},
+
+	methods: {
+		addWidget(widget) {
+			this.$store.set('widgets', [{
+				...widget,
+				place: this.place,
+			}, ...this.$store.state.widgets]);
+		},
+
+		removeWidget(widget) {
+			this.$store.set('widgets', this.$store.state.widgets.filter(w => w.id !== widget.id));
+		},
+
+		updateWidget({ id, data }) {
+			this.$store.set('widgets', this.$store.state.widgets.map(w => w.id === id ? {
+				...w,
+				data,
+			} : w));
+		},
+
+		updateWidgets(widgets) {
+			this.$store.set('widgets', [
+				...this.$store.state.widgets.filter(w => w.place !== this.place),
+				...widgets,
+			]);
+		},
+	},
+});
+</script>
+
+<style lang="scss" scoped>
+.ddiqwdnk {
+	position: sticky;
+	height: min-content;
+	box-sizing: border-box;
+	padding-bottom: 8px;
+
+	> .widgets,
+	> .a {
+		width: 300px;
+	}
+
+	> .edit {
+		display: block;
+		margin: 16px auto;
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/deck.vue b/packages/frontend/src/ui/deck.vue
new file mode 100644
index 0000000000..f3415cfd09
--- /dev/null
+++ b/packages/frontend/src/ui/deck.vue
@@ -0,0 +1,435 @@
+<template>
+<div
+	class="mk-deck" :class="[{ isMobile }]"
+>
+	<XSidebar v-if="!isMobile"/>
+
+	<div class="main">
+		<XStatusBars class="statusbars"/>
+		<div ref="columnsEl" class="columns" :class="deckStore.reactiveState.columnAlign.value" @contextmenu.self.prevent="onContextmenu">
+			<template v-for="ids in layout">
+				<!-- sectionを利用しているのは、deck.vue側でcolumnに対してfirst-of-typeを効かせるため -->
+				<section
+					v-if="ids.length > 1"
+					class="folder column"
+					:style="columns.filter(c => ids.includes(c.id)).some(c => c.flexible) ? { flex: 1, minWidth: '350px' } : { width: Math.max(...columns.filter(c => ids.includes(c.id)).map(c => c.width)) + 'px' }"
+				>
+					<DeckColumnCore v-for="id in ids" :ref="id" :key="id" :column="columns.find(c => c.id === id)" :is-stacked="true" @parent-focus="moveFocus(id, $event)"/>
+				</section>
+				<DeckColumnCore
+					v-else
+					:ref="ids[0]"
+					:key="ids[0]"
+					class="column"
+					:column="columns.find(c => c.id === ids[0])"
+					:is-stacked="false"
+					:style="columns.find(c => c.id === ids[0])!.flexible ? { flex: 1, minWidth: '350px' } : { width: columns.find(c => c.id === ids[0])!.width + 'px' }"
+					@parent-focus="moveFocus(ids[0], $event)"
+				/>
+			</template>
+			<div v-if="layout.length === 0" class="intro _panel">
+				<div>{{ i18n.ts._deck.introduction }}</div>
+				<MkButton primary class="add" @click="addColumn">{{ i18n.ts._deck.addColumn }}</MkButton>
+				<div>{{ i18n.ts._deck.introduction2 }}</div>
+			</div>
+			<div class="sideMenu">
+				<div class="top">
+					<button v-tooltip.noDelay.left="`${i18n.ts._deck.profile}: ${deckStore.state.profile}`" class="_button button" @click="changeProfile"><i class="ti ti-caret-down"></i></button>
+					<button v-tooltip.noDelay.left="i18n.ts._deck.deleteProfile" class="_button button" @click="deleteProfile"><i class="ti ti-trash"></i></button>
+				</div>
+				<div class="middle">
+					<button v-tooltip.noDelay.left="i18n.ts._deck.addColumn" class="_button button" @click="addColumn"><i class="ti ti-plus"></i></button>
+				</div>
+				<div class="bottom">
+					<button v-tooltip.noDelay.left="i18n.ts.settings" class="_button button settings" @click="showSettings"><i class="ti ti-settings"></i></button>
+				</div>
+			</div>
+		</div>
+	</div>
+
+	<div v-if="isMobile" class="buttons">
+		<button class="button nav _button" @click="drawerMenuShowing = true"><i class="ti ti-menu-2"></i><span v-if="menuIndicated" class="indicator"><i class="_indicatorCircle"></i></span></button>
+		<button class="button home _button" @click="mainRouter.push('/')"><i class="ti ti-home"></i></button>
+		<button class="button notifications _button" @click="mainRouter.push('/my/notifications')"><i class="ti ti-bell"></i><span v-if="$i?.hasUnreadNotification" class="indicator"><i class="_indicatorCircle"></i></span></button>
+		<button class="button post _button" @click="os.post()"><i class="ti ti-pencil"></i></button>
+	</div>
+
+	<transition :name="$store.state.animation ? 'menu-back' : ''">
+		<div
+			v-if="drawerMenuShowing"
+			class="menu-back _modalBg"
+			@click="drawerMenuShowing = false"
+			@touchstart.passive="drawerMenuShowing = false"
+		></div>
+	</transition>
+
+	<transition :name="$store.state.animation ? 'menu' : ''">
+		<XDrawerMenu v-if="drawerMenuShowing" class="menu"/>
+	</transition>
+
+	<XCommon/>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { computed, defineAsyncComponent, onMounted, provide, ref, watch } from 'vue';
+import { v4 as uuid } from 'uuid';
+import XCommon from './_common_/common.vue';
+import { deckStore, addColumn as addColumnToStore, loadDeck, getProfiles, deleteProfile as deleteProfile_ } from './deck/deck-store';
+import DeckColumnCore from '@/ui/deck/column-core.vue';
+import XSidebar from '@/ui/_common_/navbar.vue';
+import XDrawerMenu from '@/ui/_common_/navbar-for-mobile.vue';
+import MkButton from '@/components/MkButton.vue';
+import { getScrollContainer } from '@/scripts/scroll';
+import * as os from '@/os';
+import { navbarItemDef } from '@/navbar';
+import { $i } from '@/account';
+import { i18n } from '@/i18n';
+import { mainRouter } from '@/router';
+import { unisonReload } from '@/scripts/unison-reload';
+const XStatusBars = defineAsyncComponent(() => import('@/ui/_common_/statusbars.vue'));
+
+mainRouter.navHook = (path, flag): boolean => {
+	if (flag === 'forcePage') return false;
+	const noMainColumn = !deckStore.state.columns.some(x => x.type === 'main');
+	if (deckStore.state.navWindow || noMainColumn) {
+		os.pageWindow(path);
+		return true;
+	}
+	return false;
+};
+
+const isMobile = ref(window.innerWidth <= 500);
+window.addEventListener('resize', () => {
+	isMobile.value = window.innerWidth <= 500;
+});
+
+const drawerMenuShowing = ref(false);
+
+const route = 'TODO';
+watch(route, () => {
+	drawerMenuShowing.value = false;
+});
+
+const columns = deckStore.reactiveState.columns;
+const layout = deckStore.reactiveState.layout;
+const menuIndicated = computed(() => {
+	if ($i == null) return false;
+	for (const def in navbarItemDef) {
+		if (navbarItemDef[def].indicated) return true;
+	}
+	return false;
+});
+
+function showSettings() {
+	os.pageWindow('/settings/deck');
+}
+
+let columnsEl = $ref<HTMLElement>();
+
+const addColumn = async (ev) => {
+	const columns = [
+		'main',
+		'widgets',
+		'notifications',
+		'tl',
+		'antenna',
+		'list',
+		'mentions',
+		'direct',
+	];
+
+	const { canceled, result: column } = await os.select({
+		title: i18n.ts._deck.addColumn,
+		items: columns.map(column => ({
+			value: column, text: i18n.t('_deck._columns.' + column),
+		})),
+	});
+	if (canceled) return;
+
+	addColumnToStore({
+		type: column,
+		id: uuid(),
+		name: i18n.t('_deck._columns.' + column),
+		width: 330,
+	});
+};
+
+const onContextmenu = (ev) => {
+	os.contextMenu([{
+		text: i18n.ts._deck.addColumn,
+		action: addColumn,
+	}], ev);
+};
+
+document.documentElement.style.overflowY = 'hidden';
+document.documentElement.style.scrollBehavior = 'auto';
+window.addEventListener('wheel', (ev) => {
+	if (ev.target === columnsEl && ev.deltaX === 0) {
+		columnsEl.scrollLeft += ev.deltaY;
+	} else if (getScrollContainer(ev.target as HTMLElement) == null && ev.deltaX === 0) {
+		columnsEl.scrollLeft += ev.deltaY;
+	}
+});
+loadDeck();
+
+function moveFocus(id: string, direction: 'up' | 'down' | 'left' | 'right') {
+	// TODO??
+}
+
+function changeProfile(ev: MouseEvent) {
+	const items = ref([{
+		text: deckStore.state.profile,
+		active: true.valueOf,
+	}]);
+	getProfiles().then(profiles => {
+		items.value = [{
+			text: deckStore.state.profile,
+			active: true.valueOf,
+		}, ...(profiles.filter(k => k !== deckStore.state.profile).map(k => ({
+			text: k,
+			action: () => {
+				deckStore.set('profile', k);
+				unisonReload();
+			},
+		}))), null, {
+			text: i18n.ts._deck.newProfile,
+			icon: 'ti ti-plus',
+			action: async () => {
+				const { canceled, result: name } = await os.inputText({
+					title: i18n.ts._deck.profile,
+					allowEmpty: false,
+				});
+				if (canceled) return;
+
+				deckStore.set('profile', name);
+				unisonReload();
+			},
+		}];
+	});
+	os.popupMenu(items, ev.currentTarget ?? ev.target);
+}
+
+async function deleteProfile() {
+	const { canceled } = await os.confirm({
+		type: 'warning',
+		text: i18n.t('deleteAreYouSure', { x: deckStore.state.profile }),
+	});
+	if (canceled) return;
+
+	deleteProfile_(deckStore.state.profile);
+	deckStore.set('profile', 'default');
+	unisonReload();
+}
+</script>
+
+<style lang="scss" scoped>
+.menu-enter-active,
+.menu-leave-active {
+	opacity: 1;
+	transform: translateX(0);
+	transition: transform 300ms cubic-bezier(0.23, 1, 0.32, 1), opacity 300ms cubic-bezier(0.23, 1, 0.32, 1);
+}
+.menu-enter-from,
+.menu-leave-active {
+	opacity: 0;
+	transform: translateX(-240px);
+}
+
+.menu-back-enter-active,
+.menu-back-leave-active {
+	opacity: 1;
+	transition: opacity 300ms cubic-bezier(0.23, 1, 0.32, 1);
+}
+.menu-back-enter-from,
+.menu-back-leave-active {
+	opacity: 0;
+}
+
+.mk-deck {
+	$nav-hide-threshold: 650px; // TODO: どこかに集約したい
+
+	// TODO: ここではなくて、各カラムで自身の幅に応じて上書きするようにしたい
+	--margin: var(--marginHalf);
+
+	--deckDividerThickness: 5px;
+
+	display: flex;
+	height: 100dvh;
+	box-sizing: border-box;
+	flex: 1;
+
+	&.isMobile {
+		padding-bottom: 100px;
+	}
+
+	> .main {
+		flex: 1;
+		min-width: 0;
+		display: flex;
+		flex-direction: column;
+
+		> .columns {
+			flex: 1;
+			display: flex;
+			overflow-x: auto;
+			overflow-y: clip;
+
+			&.center {
+				> .column:first-of-type {
+					margin-left: auto;
+				}
+
+				> .column:last-of-type {
+					margin-right: auto;
+				}
+			}
+
+			> .column {
+				flex-shrink: 0;
+				border-right: solid var(--deckDividerThickness) var(--deckDivider);
+
+				&:first-of-type {
+					border-left: solid var(--deckDividerThickness) var(--deckDivider);
+				}
+
+				&.folder {
+					display: flex;
+					flex-direction: column;
+
+					> *:not(:last-of-type) {
+						border-bottom: solid var(--deckDividerThickness) var(--deckDivider);
+					}
+				}
+			}
+
+			> .intro {
+				padding: 32px;
+				height: min-content;
+				text-align: center;
+				margin: auto;
+
+				> .add {
+					margin: 1em auto;
+				}
+			}
+
+			> .sideMenu {
+				flex-shrink: 0;
+				margin-right: 0;
+				margin-left: auto;
+				display: flex;
+				flex-direction: column;
+				justify-content: center;
+				width: 32px;
+
+				> .top, > .middle, > .bottom {
+					> .button {
+						display: block;
+						width: 100%;
+						aspect-ratio: 1;
+					}
+				}
+
+				> .top {
+					margin-bottom: auto;
+				}
+
+				> .middle {
+					margin-top: auto;
+					margin-bottom: auto;
+				}
+
+				> .bottom {
+					margin-top: auto;
+				}
+			}
+		}
+	}
+
+	> .buttons {
+		position: fixed;
+		z-index: 1000;
+		bottom: 0;
+		left: 0;
+		padding: 16px;
+		display: flex;
+		width: 100%;
+		box-sizing: border-box;
+
+		> .button {
+			position: relative;
+			flex: 1;
+			padding: 0;
+			margin: auto;
+			height: 64px;
+			border-radius: 8px;
+			background: var(--panel);
+			color: var(--fg);
+
+			&:not(:last-child) {
+				margin-right: 12px;
+			}
+
+			@media (max-width: 400px) {
+				height: 60px;
+
+				&:not(:last-child) {
+					margin-right: 8px;
+				}
+			}
+
+			&:hover {
+				background: var(--X2);
+			}
+
+			> .indicator {
+				position: absolute;
+				top: 0;
+				left: 0;
+				color: var(--indicator);
+				font-size: 16px;
+				animation: blink 1s infinite;
+			}
+
+			&:first-child {
+				margin-left: 0;
+			}
+
+			&:last-child {
+				margin-right: 0;
+			}
+
+			> * {
+				font-size: 20px;
+			}
+
+			&:disabled {
+				cursor: default;
+
+				> * {
+					opacity: 0.5;
+				}
+			}
+		}
+	}
+
+	> .menu-back {
+		z-index: 1001;
+	}
+
+	> .menu {
+		position: fixed;
+		top: 0;
+		left: 0;
+		z-index: 1001;
+		height: 100dvh;
+		width: 240px;
+		box-sizing: border-box;
+		contain: strict;
+		overflow: auto;
+		overscroll-behavior: contain;
+		background: var(--navBg);
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/deck/antenna-column.vue b/packages/frontend/src/ui/deck/antenna-column.vue
new file mode 100644
index 0000000000..ba14530662
--- /dev/null
+++ b/packages/frontend/src/ui/deck/antenna-column.vue
@@ -0,0 +1,70 @@
+<template>
+<XColumn :menu="menu" :column="column" :is-stacked="isStacked" @parent-focus="$event => emit('parent-focus', $event)">
+	<template #header>
+		<i class="ti ti-antenna"></i><span style="margin-left: 8px;">{{ column.name }}</span>
+	</template>
+
+	<XTimeline v-if="column.antennaId" ref="timeline" src="antenna" :antenna="column.antennaId" @after="() => emit('loaded')"/>
+</XColumn>
+</template>
+
+<script lang="ts" setup>
+import { onMounted } from 'vue';
+import XColumn from './column.vue';
+import { updateColumn, Column } from './deck-store';
+import XTimeline from '@/components/MkTimeline.vue';
+import * as os from '@/os';
+import { i18n } from '@/i18n';
+
+const props = defineProps<{
+	column: Column;
+	isStacked: boolean;
+}>();
+
+const emit = defineEmits<{
+	(ev: 'loaded'): void;
+	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
+}>();
+
+let timeline = $ref<InstanceType<typeof XTimeline>>();
+
+onMounted(() => {
+	if (props.column.antennaId == null) {
+		setAntenna();
+	}
+});
+
+async function setAntenna() {
+	const antennas = await os.api('antennas/list');
+	const { canceled, result: antenna } = await os.select({
+		title: i18n.ts.selectAntenna,
+		items: antennas.map(x => ({
+			value: x, text: x.name,
+		})),
+		default: props.column.antennaId,
+	});
+	if (canceled) return;
+	updateColumn(props.column.id, {
+		antennaId: antenna.id,
+	});
+}
+
+const menu = [{
+	icon: 'ti ti-pencil',
+	text: i18n.ts.selectAntenna,
+	action: setAntenna,
+}];
+
+/*
+function focus() {
+	timeline.focus();
+}
+
+defineExpose({
+	focus,
+});
+*/
+</script>
+
+<style lang="scss" scoped>
+</style>
diff --git a/packages/frontend/src/ui/deck/column-core.vue b/packages/frontend/src/ui/deck/column-core.vue
new file mode 100644
index 0000000000..30c0dc5e1c
--- /dev/null
+++ b/packages/frontend/src/ui/deck/column-core.vue
@@ -0,0 +1,34 @@
+<template>
+<!-- TODO: リファクタの余地がありそう -->
+<div v-if="!column">たぶん見えちゃいけないやつ</div>
+<XMainColumn v-else-if="column.type === 'main'" :column="column" :is-stacked="isStacked" @parent-focus="emit('parent-focus', $event)"/>
+<XWidgetsColumn v-else-if="column.type === 'widgets'" :column="column" :is-stacked="isStacked" @parent-focus="emit('parent-focus', $event)"/>
+<XNotificationsColumn v-else-if="column.type === 'notifications'" :column="column" :is-stacked="isStacked" @parent-focus="emit('parent-focus', $event)"/>
+<XTlColumn v-else-if="column.type === 'tl'" :column="column" :is-stacked="isStacked" @parent-focus="emit('parent-focus', $event)"/>
+<XListColumn v-else-if="column.type === 'list'" :column="column" :is-stacked="isStacked" @parent-focus="emit('parent-focus', $event)"/>
+<XAntennaColumn v-else-if="column.type === 'antenna'" :column="column" :is-stacked="isStacked" @parent-focus="emit('parent-focus', $event)"/>
+<XMentionsColumn v-else-if="column.type === 'mentions'" :column="column" :is-stacked="isStacked" @parent-focus="emit('parent-focus', $event)"/>
+<XDirectColumn v-else-if="column.type === 'direct'" :column="column" :is-stacked="isStacked" @parent-focus="emit('parent-focus', $event)"/>
+</template>
+
+<script lang="ts" setup>
+import { } from 'vue';
+import XMainColumn from './main-column.vue';
+import XTlColumn from './tl-column.vue';
+import XAntennaColumn from './antenna-column.vue';
+import XListColumn from './list-column.vue';
+import XNotificationsColumn from './notifications-column.vue';
+import XWidgetsColumn from './widgets-column.vue';
+import XMentionsColumn from './mentions-column.vue';
+import XDirectColumn from './direct-column.vue';
+import { Column } from './deck-store';
+
+defineProps<{
+	column?: Column;
+	isStacked: boolean;
+}>();
+
+const emit = defineEmits<{
+	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
+}>();
+</script>
diff --git a/packages/frontend/src/ui/deck/column.vue b/packages/frontend/src/ui/deck/column.vue
new file mode 100644
index 0000000000..2a99b621e6
--- /dev/null
+++ b/packages/frontend/src/ui/deck/column.vue
@@ -0,0 +1,398 @@
+<template>
+<!-- sectionを利用しているのは、deck.vue側でcolumnに対してfirst-of-typeを効かせるため -->
+<section
+	v-hotkey="keymap" class="dnpfarvg _narrow_"
+	:class="{ paged: isMainColumn, naked, active, isStacked, draghover, dragging, dropready }"
+	@dragover.prevent.stop="onDragover"
+	@dragleave="onDragleave"
+	@drop.prevent.stop="onDrop"
+>
+	<header
+		:class="{ indicated }"
+		draggable="true"
+		@click="goTop"
+		@dragstart="onDragstart"
+		@dragend="onDragend"
+		@contextmenu.prevent.stop="onContextmenu"
+	>
+		<button v-if="isStacked && !isMainColumn" class="toggleActive _button" @click="toggleActive">
+			<template v-if="active"><i class="ti ti-chevron-up"></i></template>
+			<template v-else><i class="ti ti-chevron-down"></i></template>
+		</button>
+		<div class="action">
+			<slot name="action"></slot>
+		</div>
+		<span class="header"><slot name="header"></slot></span>
+		<button v-tooltip="i18n.ts.settings" class="menu _button" @click.stop="showSettingsMenu"><i class="ti ti-dots"></i></button>
+	</header>
+	<div v-show="active" ref="body">
+		<slot></slot>
+	</div>
+</section>
+</template>
+
+<script lang="ts" setup>
+import { onBeforeUnmount, onMounted, provide, Ref, watch } from 'vue';
+import { updateColumn, swapLeftColumn, swapRightColumn, swapUpColumn, swapDownColumn, stackLeftColumn, popRightColumn, removeColumn, swapColumn, Column, deckStore } from './deck-store';
+import * as os from '@/os';
+import { i18n } from '@/i18n';
+import { MenuItem } from '@/types/menu';
+
+provide('shouldHeaderThin', true);
+provide('shouldOmitHeaderTitle', true);
+provide('shouldSpacerMin', true);
+
+const props = withDefaults(defineProps<{
+	column: Column;
+	isStacked?: boolean;
+	naked?: boolean;
+	indicated?: boolean;
+	menu?: MenuItem[];
+}>(), {
+	isStacked: false,
+	naked: false,
+	indicated: false,
+});
+
+const emit = defineEmits<{
+	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
+	(ev: 'change-active-state', v: boolean): void;
+}>();
+
+let body = $ref<HTMLDivElement>();
+
+let dragging = $ref(false);
+watch($$(dragging), v => os.deckGlobalEvents.emit(v ? 'column.dragStart' : 'column.dragEnd'));
+
+let draghover = $ref(false);
+let dropready = $ref(false);
+
+const isMainColumn = $computed(() => props.column.type === 'main');
+const active = $computed(() => props.column.active !== false);
+watch($$(active), v => emit('change-active-state', v));
+
+const keymap = $computed(() => ({
+	'shift+up': () => emit('parent-focus', 'up'),
+	'shift+down': () => emit('parent-focus', 'down'),
+	'shift+left': () => emit('parent-focus', 'left'),
+	'shift+right': () => emit('parent-focus', 'right'),
+}));
+
+onMounted(() => {
+	os.deckGlobalEvents.on('column.dragStart', onOtherDragStart);
+	os.deckGlobalEvents.on('column.dragEnd', onOtherDragEnd);
+});
+
+onBeforeUnmount(() => {
+	os.deckGlobalEvents.off('column.dragStart', onOtherDragStart);
+	os.deckGlobalEvents.off('column.dragEnd', onOtherDragEnd);
+});
+
+function onOtherDragStart() {
+	dropready = true;
+}
+
+function onOtherDragEnd() {
+	dropready = false;
+}
+
+function toggleActive() {
+	if (!props.isStacked) return;
+	updateColumn(props.column.id, {
+		active: !props.column.active,
+	});
+}
+
+function getMenu() {
+	let items = [{
+		icon: 'ti ti-settings',
+		text: i18n.ts._deck.configureColumn,
+		action: async () => {
+			const { canceled, result } = await os.form(props.column.name, {
+				name: {
+					type: 'string',
+					label: i18n.ts.name,
+					default: props.column.name,
+				},
+				width: {
+					type: 'number',
+					label: i18n.ts.width,
+					default: props.column.width,
+				},
+				flexible: {
+					type: 'boolean',
+					label: i18n.ts.flexible,
+					default: props.column.flexible,
+				},
+			});
+			if (canceled) return;
+			updateColumn(props.column.id, result);
+		},
+	}, {
+		type: 'parent',
+		text: i18n.ts.move + '...',
+		icon: 'ti ti-arrows-move',
+		children: [{
+			icon: 'ti ti-arrow-left',
+			text: i18n.ts._deck.swapLeft,
+			action: () => {
+				swapLeftColumn(props.column.id);
+			},
+		}, {
+			icon: 'ti ti-arrow-right',
+			text: i18n.ts._deck.swapRight,
+			action: () => {
+				swapRightColumn(props.column.id);
+			},
+		}, props.isStacked ? {
+			icon: 'ti ti-arrow-up',
+			text: i18n.ts._deck.swapUp,
+			action: () => {
+				swapUpColumn(props.column.id);
+			},
+		} : undefined, props.isStacked ? {
+			icon: 'ti ti-arrow-down',
+			text: i18n.ts._deck.swapDown,
+			action: () => {
+				swapDownColumn(props.column.id);
+			},
+		} : undefined],
+	}, {
+		icon: 'ti ti-stack-2',
+		text: i18n.ts._deck.stackLeft,
+		action: () => {
+			stackLeftColumn(props.column.id);
+		},
+	}, props.isStacked ? {
+		icon: 'ti ti-window-maximize',
+		text: i18n.ts._deck.popRight,
+		action: () => {
+			popRightColumn(props.column.id);
+		},
+	} : undefined, null, {
+		icon: 'ti ti-trash',
+		text: i18n.ts.remove,
+		danger: true,
+		action: () => {
+			removeColumn(props.column.id);
+		},
+	}];
+
+	if (props.menu) {
+		items.unshift(null);
+		items = props.menu.concat(items);
+	}
+
+	return items;
+}
+
+function showSettingsMenu(ev: MouseEvent) {
+	os.popupMenu(getMenu(), ev.currentTarget ?? ev.target);
+}
+
+function onContextmenu(ev: MouseEvent) {
+	os.contextMenu(getMenu(), ev);
+}
+
+function goTop() {
+	body.scrollTo({
+		top: 0,
+		behavior: 'smooth',
+	});
+}
+
+function onDragstart(ev) {
+	ev.dataTransfer.effectAllowed = 'move';
+	ev.dataTransfer.setData(_DATA_TRANSFER_DECK_COLUMN_, props.column.id);
+
+	// Chromeのバグで、Dragstartハンドラ内ですぐにDOMを変更する(=リアクティブなプロパティを変更する)とDragが終了してしまう
+	// SEE: https://stackoverflow.com/questions/19639969/html5-dragend-event-firing-immediately
+	window.setTimeout(() => {
+		dragging = true;
+	}, 10);
+}
+
+function onDragend(ev) {
+	dragging = false;
+}
+
+function onDragover(ev) {
+	// 自分自身がドラッグされている場合
+	if (dragging) {
+		// 自分自身にはドロップさせない
+		ev.dataTransfer.dropEffect = 'none';
+	} else {
+		const isDeckColumn = ev.dataTransfer.types[0] === _DATA_TRANSFER_DECK_COLUMN_;
+
+		ev.dataTransfer.dropEffect = isDeckColumn ? 'move' : 'none';
+
+		if (isDeckColumn) draghover = true;
+	}
+}
+
+function onDragleave() {
+	draghover = false;
+}
+
+function onDrop(ev) {
+	draghover = false;
+	os.deckGlobalEvents.emit('column.dragEnd');
+
+	const id = ev.dataTransfer.getData(_DATA_TRANSFER_DECK_COLUMN_);
+	if (id != null && id !== '') {
+		swapColumn(props.column.id, id);
+	}
+}
+</script>
+
+<style lang="scss" scoped>
+.dnpfarvg {
+	--root-margin: 10px;
+	--deckColumnHeaderHeight: 40px;
+
+	height: 100%;
+	overflow: hidden;
+	contain: strict;
+
+	&.draghover {
+		&:after {
+			content: "";
+			display: block;
+			position: absolute;
+			z-index: 1000;
+			top: 0;
+			left: 0;
+			width: 100%;
+			height: 100%;
+			background: var(--focus);
+		}
+	}
+
+	&.dragging {
+		&:after {
+			content: "";
+			display: block;
+			position: absolute;
+			z-index: 1000;
+			top: 0;
+			left: 0;
+			width: 100%;
+			height: 100%;
+			background: var(--focus);
+			opacity: 0.5;
+		}
+	}
+
+	&.dropready {
+		* {
+			pointer-events: none;
+		}
+	}
+
+	&:not(.active) {
+		flex-basis: var(--deckColumnHeaderHeight);
+		min-height: var(--deckColumnHeaderHeight);
+
+		> header.indicated {
+			box-shadow: 4px 0px var(--accent) inset;
+		}
+	}
+
+	&.naked {
+		background: var(--acrylicBg) !important;
+		-webkit-backdrop-filter: var(--blur, blur(10px));
+		backdrop-filter: var(--blur, blur(10px));
+
+		> header {
+			background: transparent;
+			box-shadow: none;
+
+			> button {
+				color: var(--fg);
+			}
+		}
+	}
+
+	&.paged {
+		background: var(--bg) !important;
+	}
+
+	> header {
+		position: relative;
+		display: flex;
+		z-index: 2;
+		line-height: var(--deckColumnHeaderHeight);
+		height: var(--deckColumnHeaderHeight);
+		padding: 0 16px;
+		font-size: 0.9em;
+		color: var(--panelHeaderFg);
+		background: var(--panelHeaderBg);
+		box-shadow: 0 1px 0 0 var(--panelHeaderDivider);
+		cursor: pointer;
+
+		&, * {
+			user-select: none;
+		}
+
+		&.indicated {
+			box-shadow: 0 3px 0 0 var(--accent);
+		}
+
+		> .header {
+			display: inline-block;
+			align-items: center;
+			overflow: hidden;
+			text-overflow: ellipsis;
+			white-space: nowrap;
+		}
+
+		> span:only-of-type {
+			width: 100%;
+		}
+
+		> .toggleActive,
+		> .action > ::v-deep(*),
+		> .menu {
+			z-index: 1;
+			width: var(--deckColumnHeaderHeight);
+			line-height: var(--deckColumnHeaderHeight);
+			color: var(--faceTextButton);
+
+			&:hover {
+				color: var(--faceTextButtonHover);
+			}
+
+			&:active {
+				color: var(--faceTextButtonActive);
+			}
+		}
+
+		> .toggleActive, > .action {
+			margin-left: -16px;
+		}
+
+		> .action {
+			z-index: 1;
+		}
+
+		> .action:empty {
+			display: none;
+		}
+
+		> .menu {
+			margin-left: auto;
+			margin-right: -16px;
+		}
+	}
+
+	> div {
+		height: calc(100% - var(--deckColumnHeaderHeight));
+		overflow-y: auto;
+		overflow-x: hidden; // Safari does not supports clip
+		overflow-x: clip;
+		-webkit-overflow-scrolling: touch;
+		box-sizing: border-box;
+		background-color: var(--bg);
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/deck/deck-store.ts b/packages/frontend/src/ui/deck/deck-store.ts
new file mode 100644
index 0000000000..56db7398e5
--- /dev/null
+++ b/packages/frontend/src/ui/deck/deck-store.ts
@@ -0,0 +1,296 @@
+import { throttle } from 'throttle-debounce';
+import { markRaw } from 'vue';
+import { notificationTypes } from 'misskey-js';
+import { Storage } from '../../pizzax';
+import { i18n } from '@/i18n';
+import { api } from '@/os';
+import { deepClone } from '@/scripts/clone';
+
+type ColumnWidget = {
+	name: string;
+	id: string;
+	data: Record<string, any>;
+};
+
+export type Column = {
+	id: string;
+	type: 'main' | 'widgets' | 'notifications' | 'tl' | 'antenna' | 'list' | 'mentions' | 'direct';
+	name: string | null;
+	width: number;
+	widgets?: ColumnWidget[];
+	active?: boolean;
+	flexible?: boolean;
+	antennaId?: string;
+	listId?: string;
+	includingTypes?: typeof notificationTypes[number][];
+	tl?: 'home' | 'local' | 'social' | 'global';
+};
+
+export const deckStore = markRaw(new Storage('deck', {
+	profile: {
+		where: 'deviceAccount',
+		default: 'default',
+	},
+	columns: {
+		where: 'deviceAccount',
+		default: [] as Column[],
+	},
+	layout: {
+		where: 'deviceAccount',
+		default: [] as Column['id'][][],
+	},
+	columnAlign: {
+		where: 'deviceAccount',
+		default: 'left' as 'left' | 'right' | 'center',
+	},
+	alwaysShowMainColumn: {
+		where: 'deviceAccount',
+		default: true,
+	},
+	navWindow: {
+		where: 'deviceAccount',
+		default: true,
+	},
+}));
+
+export const loadDeck = async () => {
+	let deck;
+
+	try {
+		deck = await api('i/registry/get', {
+			scope: ['client', 'deck', 'profiles'],
+			key: deckStore.state.profile,
+		});
+	} catch (err) {
+		if (err.code === 'NO_SUCH_KEY') {
+			// 後方互換性のため
+			if (deckStore.state.profile === 'default') {
+				saveDeck();
+				return;
+			}
+
+			deckStore.set('columns', []);
+			deckStore.set('layout', []);
+			return;
+		}
+		throw err;
+	}
+
+	deckStore.set('columns', deck.columns);
+	deckStore.set('layout', deck.layout);
+};
+
+// TODO: deckがloadされていない状態でsaveすると意図せず上書きが発生するので対策する
+export const saveDeck = throttle(1000, () => {
+	api('i/registry/set', {
+		scope: ['client', 'deck', 'profiles'],
+		key: deckStore.state.profile,
+		value: {
+			columns: deckStore.reactiveState.columns.value,
+			layout: deckStore.reactiveState.layout.value,
+		},
+	});
+});
+
+export async function getProfiles(): Promise<string[]> {
+	return await api('i/registry/keys', {
+		scope: ['client', 'deck', 'profiles'],
+	});
+}
+
+export async function deleteProfile(key: string): Promise<void> {
+	return await api('i/registry/remove', {
+		scope: ['client', 'deck', 'profiles'],
+		key: key,
+	});
+}
+
+export function addColumn(column: Column) {
+	if (column.name === undefined) column.name = null;
+	deckStore.push('columns', column);
+	deckStore.push('layout', [column.id]);
+	saveDeck();
+}
+
+export function removeColumn(id: Column['id']) {
+	deckStore.set('columns', deckStore.state.columns.filter(c => c.id !== id));
+	deckStore.set('layout', deckStore.state.layout
+		.map(ids => ids.filter(_id => _id !== id))
+		.filter(ids => ids.length > 0));
+	saveDeck();
+}
+
+export function swapColumn(a: Column['id'], b: Column['id']) {
+	const aX = deckStore.state.layout.findIndex(ids => ids.indexOf(a) !== -1);
+	const aY = deckStore.state.layout[aX].findIndex(id => id === a);
+	const bX = deckStore.state.layout.findIndex(ids => ids.indexOf(b) !== -1);
+	const bY = deckStore.state.layout[bX].findIndex(id => id === b);
+	const layout = deepClone(deckStore.state.layout);
+	layout[aX][aY] = b;
+	layout[bX][bY] = a;
+	deckStore.set('layout', layout);
+	saveDeck();
+}
+
+export function swapLeftColumn(id: Column['id']) {
+	const layout = deepClone(deckStore.state.layout);
+	deckStore.state.layout.some((ids, i) => {
+		if (ids.includes(id)) {
+			const left = deckStore.state.layout[i - 1];
+			if (left) {
+				layout[i - 1] = deckStore.state.layout[i];
+				layout[i] = left;
+				deckStore.set('layout', layout);
+			}
+			return true;
+		}
+	});
+	saveDeck();
+}
+
+export function swapRightColumn(id: Column['id']) {
+	const layout = deepClone(deckStore.state.layout);
+	deckStore.state.layout.some((ids, i) => {
+		if (ids.includes(id)) {
+			const right = deckStore.state.layout[i + 1];
+			if (right) {
+				layout[i + 1] = deckStore.state.layout[i];
+				layout[i] = right;
+				deckStore.set('layout', layout);
+			}
+			return true;
+		}
+	});
+	saveDeck();
+}
+
+export function swapUpColumn(id: Column['id']) {
+	const layout = deepClone(deckStore.state.layout);
+	const idsIndex = deckStore.state.layout.findIndex(ids => ids.includes(id));
+	const ids = deepClone(deckStore.state.layout[idsIndex]);
+	ids.some((x, i) => {
+		if (x === id) {
+			const up = ids[i - 1];
+			if (up) {
+				ids[i - 1] = id;
+				ids[i] = up;
+
+				layout[idsIndex] = ids;
+				deckStore.set('layout', layout);
+			}
+			return true;
+		}
+	});
+	saveDeck();
+}
+
+export function swapDownColumn(id: Column['id']) {
+	const layout = deepClone(deckStore.state.layout);
+	const idsIndex = deckStore.state.layout.findIndex(ids => ids.includes(id));
+	const ids = deepClone(deckStore.state.layout[idsIndex]);
+	ids.some((x, i) => {
+		if (x === id) {
+			const down = ids[i + 1];
+			if (down) {
+				ids[i + 1] = id;
+				ids[i] = down;
+
+				layout[idsIndex] = ids;
+				deckStore.set('layout', layout);
+			}
+			return true;
+		}
+	});
+	saveDeck();
+}
+
+export function stackLeftColumn(id: Column['id']) {
+	let layout = deepClone(deckStore.state.layout);
+	const i = deckStore.state.layout.findIndex(ids => ids.includes(id));
+	layout = layout.map(ids => ids.filter(_id => _id !== id));
+	layout[i - 1].push(id);
+	layout = layout.filter(ids => ids.length > 0);
+	deckStore.set('layout', layout);
+	saveDeck();
+}
+
+export function popRightColumn(id: Column['id']) {
+	let layout = deepClone(deckStore.state.layout);
+	const i = deckStore.state.layout.findIndex(ids => ids.includes(id));
+	const affected = layout[i];
+	layout = layout.map(ids => ids.filter(_id => _id !== id));
+	layout.splice(i + 1, 0, [id]);
+	layout = layout.filter(ids => ids.length > 0);
+	deckStore.set('layout', layout);
+
+	const columns = deepClone(deckStore.state.columns);
+	for (const column of columns) {
+		if (affected.includes(column.id)) {
+			column.active = true;
+		}
+	}
+	deckStore.set('columns', columns);
+
+	saveDeck();
+}
+
+export function addColumnWidget(id: Column['id'], widget: ColumnWidget) {
+	const columns = deepClone(deckStore.state.columns);
+	const columnIndex = deckStore.state.columns.findIndex(c => c.id === id);
+	const column = deepClone(deckStore.state.columns[columnIndex]);
+	if (column == null) return;
+	if (column.widgets == null) column.widgets = [];
+	column.widgets.unshift(widget);
+	columns[columnIndex] = column;
+	deckStore.set('columns', columns);
+	saveDeck();
+}
+
+export function removeColumnWidget(id: Column['id'], widget: ColumnWidget) {
+	const columns = deepClone(deckStore.state.columns);
+	const columnIndex = deckStore.state.columns.findIndex(c => c.id === id);
+	const column = deepClone(deckStore.state.columns[columnIndex]);
+	if (column == null) return;
+	column.widgets = column.widgets.filter(w => w.id !== widget.id);
+	columns[columnIndex] = column;
+	deckStore.set('columns', columns);
+	saveDeck();
+}
+
+export function setColumnWidgets(id: Column['id'], widgets: ColumnWidget[]) {
+	const columns = deepClone(deckStore.state.columns);
+	const columnIndex = deckStore.state.columns.findIndex(c => c.id === id);
+	const column = deepClone(deckStore.state.columns[columnIndex]);
+	if (column == null) return;
+	column.widgets = widgets;
+	columns[columnIndex] = column;
+	deckStore.set('columns', columns);
+	saveDeck();
+}
+
+export function updateColumnWidget(id: Column['id'], widgetId: string, widgetData: any) {
+	const columns = deepClone(deckStore.state.columns);
+	const columnIndex = deckStore.state.columns.findIndex(c => c.id === id);
+	const column = deepClone(deckStore.state.columns[columnIndex]);
+	if (column == null) return;
+	column.widgets = column.widgets.map(w => w.id === widgetId ? {
+		...w,
+		data: widgetData,
+	} : w);
+	columns[columnIndex] = column;
+	deckStore.set('columns', columns);
+	saveDeck();
+}
+
+export function updateColumn(id: Column['id'], column: Partial<Column>) {
+	const columns = deepClone(deckStore.state.columns);
+	const columnIndex = deckStore.state.columns.findIndex(c => c.id === id);
+	const currentColumn = deepClone(deckStore.state.columns[columnIndex]);
+	if (currentColumn == null) return;
+	for (const [k, v] of Object.entries(column)) {
+		currentColumn[k] = v;
+	}
+	columns[columnIndex] = currentColumn;
+	deckStore.set('columns', columns);
+	saveDeck();
+}
diff --git a/packages/frontend/src/ui/deck/direct-column.vue b/packages/frontend/src/ui/deck/direct-column.vue
new file mode 100644
index 0000000000..75b018cacd
--- /dev/null
+++ b/packages/frontend/src/ui/deck/direct-column.vue
@@ -0,0 +1,31 @@
+<template>
+<XColumn :column="column" :is-stacked="isStacked" @parent-focus="$event => emit('parent-focus', $event)">
+	<template #header><i class="ti ti-mail" style="margin-right: 8px;"></i>{{ column.name }}</template>
+
+	<XNotes :pagination="pagination"/>
+</XColumn>
+</template>
+
+<script lang="ts" setup>
+import { } from 'vue';
+import XColumn from './column.vue';
+import XNotes from '@/components/MkNotes.vue';
+import { Column } from './deck-store';
+
+defineProps<{
+	column: Column;
+	isStacked: boolean;
+}>();
+
+const emit = defineEmits<{
+	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
+}>();
+
+const pagination = {
+	endpoint: 'notes/mentions' as const,
+	limit: 10,
+	params: {
+		visibility: 'specified',
+	},
+};
+</script>
diff --git a/packages/frontend/src/ui/deck/list-column.vue b/packages/frontend/src/ui/deck/list-column.vue
new file mode 100644
index 0000000000..d9f3f7b4e7
--- /dev/null
+++ b/packages/frontend/src/ui/deck/list-column.vue
@@ -0,0 +1,58 @@
+<template>
+<XColumn :menu="menu" :column="column" :is-stacked="isStacked" @parent-focus="$event => emit('parent-focus', $event)">
+	<template #header>
+		<i class="ti ti-list"></i><span style="margin-left: 8px;">{{ column.name }}</span>
+	</template>
+
+	<XTimeline v-if="column.listId" ref="timeline" src="list" :list="column.listId" @after="() => emit('loaded')"/>
+</XColumn>
+</template>
+
+<script lang="ts" setup>
+import { } from 'vue';
+import XColumn from './column.vue';
+import { updateColumn, Column } from './deck-store';
+import XTimeline from '@/components/MkTimeline.vue';
+import * as os from '@/os';
+import { i18n } from '@/i18n';
+
+const props = defineProps<{
+	column: Column;
+	isStacked: boolean;
+}>();
+
+const emit = defineEmits<{
+	(ev: 'loaded'): void;
+	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
+}>();
+
+let timeline = $ref<InstanceType<typeof XTimeline>>();
+
+if (props.column.listId == null) {
+	setList();
+}
+
+async function setList() {
+	const lists = await os.api('users/lists/list');
+	const { canceled, result: list } = await os.select({
+		title: i18n.ts.selectList,
+		items: lists.map(x => ({
+			value: x, text: x.name,
+		})),
+		default: props.column.listId,
+	});
+	if (canceled) return;
+	updateColumn(props.column.id, {
+		listId: list.id,
+	});
+}
+
+const menu = [{
+	icon: 'ti ti-pencil',
+	text: i18n.ts.selectList,
+	action: setList,
+}];
+</script>
+
+<style lang="scss" scoped>
+</style>
diff --git a/packages/frontend/src/ui/deck/main-column.vue b/packages/frontend/src/ui/deck/main-column.vue
new file mode 100644
index 0000000000..0c66172397
--- /dev/null
+++ b/packages/frontend/src/ui/deck/main-column.vue
@@ -0,0 +1,68 @@
+<template>
+<XColumn v-if="deckStore.state.alwaysShowMainColumn || mainRouter.currentRoute.value.name !== 'index'" :column="column" :is-stacked="isStacked" @parent-focus="$event => emit('parent-focus', $event)">
+	<template #header>
+		<template v-if="pageMetadata?.value">
+			<i :class="pageMetadata?.value.icon"></i>
+			{{ pageMetadata?.value.title }}
+		</template>
+	</template>
+
+	<RouterView @contextmenu.stop="onContextmenu"/>
+</XColumn>
+</template>
+
+<script lang="ts" setup>
+import { ComputedRef, provide } from 'vue';
+import XColumn from './column.vue';
+import { deckStore, Column } from '@/ui/deck/deck-store';
+import * as os from '@/os';
+import { i18n } from '@/i18n';
+import { mainRouter } from '@/router';
+import { PageMetadata, provideMetadataReceiver, setPageMetadata } from '@/scripts/page-metadata';
+
+defineProps<{
+	column: Column;
+	isStacked: boolean;
+}>();
+
+const emit = defineEmits<{
+	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
+}>();
+
+let pageMetadata = $ref<null | ComputedRef<PageMetadata>>();
+
+provide('router', mainRouter);
+provideMetadataReceiver((info) => {
+	pageMetadata = info;
+});
+
+/*
+function back() {
+	history.back();
+}
+*/
+function onContextmenu(ev: MouseEvent) {
+	if (!ev.target) return;
+
+	const isLink = (el: HTMLElement) => {
+		if (el.tagName === 'A') return true;
+		if (el.parentElement) {
+			return isLink(el.parentElement);
+		}
+	};
+	if (isLink(ev.target as HTMLElement)) return;
+	if (['INPUT', 'TEXTAREA', 'IMG', 'VIDEO', 'CANVAS'].includes((ev.target as HTMLElement).tagName) || (ev.target as HTMLElement).attributes['contenteditable']) return;
+	if (window.getSelection()?.toString() !== '') return;
+	const path = mainRouter.currentRoute.value.path;
+	os.contextMenu([{
+		type: 'label',
+		text: path,
+	}, {
+		icon: 'ti ti-window-maximize',
+		text: i18n.ts.openInWindow,
+		action: () => {
+			os.pageWindow(path);
+		},
+	}], ev);
+}
+</script>
diff --git a/packages/frontend/src/ui/deck/mentions-column.vue b/packages/frontend/src/ui/deck/mentions-column.vue
new file mode 100644
index 0000000000..16962956a0
--- /dev/null
+++ b/packages/frontend/src/ui/deck/mentions-column.vue
@@ -0,0 +1,28 @@
+<template>
+<XColumn :column="column" :is-stacked="isStacked" @parent-focus="$event => emit('parent-focus', $event)">
+	<template #header><i class="ti ti-at" style="margin-right: 8px;"></i>{{ column.name }}</template>
+
+	<XNotes :pagination="pagination"/>
+</XColumn>
+</template>
+
+<script lang="ts" setup>
+import { } from 'vue';
+import XColumn from './column.vue';
+import XNotes from '@/components/MkNotes.vue';
+import { Column } from './deck-store';
+
+defineProps<{
+	column: Column;
+	isStacked: boolean;
+}>();
+
+const emit = defineEmits<{
+	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
+}>();
+
+const pagination = {
+	endpoint: 'notes/mentions' as const,
+	limit: 10,
+};
+</script>
diff --git a/packages/frontend/src/ui/deck/notifications-column.vue b/packages/frontend/src/ui/deck/notifications-column.vue
new file mode 100644
index 0000000000..9d133035fe
--- /dev/null
+++ b/packages/frontend/src/ui/deck/notifications-column.vue
@@ -0,0 +1,44 @@
+<template>
+<XColumn :column="column" :is-stacked="isStacked" :menu="menu" @parent-focus="$event => emit('parent-focus', $event)">
+	<template #header><i class="ti ti-bell" style="margin-right: 8px;"></i>{{ column.name }}</template>
+
+	<XNotifications :include-types="column.includingTypes"/>
+</XColumn>
+</template>
+
+<script lang="ts" setup>
+import { defineAsyncComponent } from 'vue';
+import XColumn from './column.vue';
+import { updateColumn, Column } from './deck-store';
+import XNotifications from '@/components/MkNotifications.vue';
+import * as os from '@/os';
+import { i18n } from '@/i18n';
+
+const props = defineProps<{
+	column: Column;
+	isStacked: boolean;
+}>();
+
+const emit = defineEmits<{
+	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
+}>();
+
+function func() {
+	os.popup(defineAsyncComponent(() => import('@/components/MkNotificationSettingWindow.vue')), {
+		includingTypes: props.column.includingTypes,
+	}, {
+		done: async (res) => {
+			const { includingTypes } = res;
+			updateColumn(props.column.id, {
+				includingTypes: includingTypes,
+			});
+		},
+	}, 'closed');
+}
+
+const menu = [{
+	icon: 'ti ti-pencil',
+	text: i18n.ts.notificationSetting,
+	action: func,
+}];
+</script>
diff --git a/packages/frontend/src/ui/deck/tl-column.vue b/packages/frontend/src/ui/deck/tl-column.vue
new file mode 100644
index 0000000000..49b29145ff
--- /dev/null
+++ b/packages/frontend/src/ui/deck/tl-column.vue
@@ -0,0 +1,119 @@
+<template>
+<XColumn :menu="menu" :column="column" :is-stacked="isStacked" :indicated="indicated" @change-active-state="onChangeActiveState" @parent-focus="$event => emit('parent-focus', $event)">
+	<template #header>
+		<i v-if="column.tl === 'home'" class="ti ti-home"></i>
+		<i v-else-if="column.tl === 'local'" class="ti ti-messages"></i>
+		<i v-else-if="column.tl === 'social'" class="ti ti-share"></i>
+		<i v-else-if="column.tl === 'global'" class="ti ti-world"></i>
+		<span style="margin-left: 8px;">{{ column.name }}</span>
+	</template>
+
+	<div v-if="disabled" class="iwaalbte">
+		<p>
+			<i class="ti ti-minus-circle"></i>
+			{{ $t('disabled-timeline.title') }}
+		</p>
+		<p class="desc">{{ $t('disabled-timeline.description') }}</p>
+	</div>
+	<XTimeline v-else-if="column.tl" ref="timeline" :key="column.tl" :src="column.tl" @after="() => emit('loaded')" @queue="queueUpdated" @note="onNote"/>
+</XColumn>
+</template>
+
+<script lang="ts" setup>
+import { onMounted } from 'vue';
+import XColumn from './column.vue';
+import { removeColumn, updateColumn, Column } from './deck-store';
+import XTimeline from '@/components/MkTimeline.vue';
+import * as os from '@/os';
+import { $i } from '@/account';
+import { instance } from '@/instance';
+import { i18n } from '@/i18n';
+
+const props = defineProps<{
+	column: Column;
+	isStacked: boolean;
+}>();
+
+const emit = defineEmits<{
+	(ev: 'loaded'): void;
+	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
+}>();
+
+let disabled = $ref(false);
+let indicated = $ref(false);
+let columnActive = $ref(true);
+
+onMounted(() => {
+	if (props.column.tl == null) {
+		setType();
+	} else if ($i) {
+		disabled = !$i.isModerator && !$i.isAdmin && (
+			instance.disableLocalTimeline && ['local', 'social'].includes(props.column.tl) ||
+			instance.disableGlobalTimeline && ['global'].includes(props.column.tl));
+	}
+});
+
+async function setType() {
+	const { canceled, result: src } = await os.select({
+		title: i18n.ts.timeline,
+		items: [{
+			value: 'home' as const, text: i18n.ts._timelines.home,
+		}, {
+			value: 'local' as const, text: i18n.ts._timelines.local,
+		}, {
+			value: 'social' as const, text: i18n.ts._timelines.social,
+		}, {
+			value: 'global' as const, text: i18n.ts._timelines.global,
+		}],
+	});
+	if (canceled) {
+		if (props.column.tl == null) {
+			removeColumn(props.column.id);
+		}
+		return;
+	}
+	updateColumn(props.column.id, {
+		tl: src,
+	});
+}
+
+function queueUpdated(q) {
+	if (columnActive) {
+		indicated = q !== 0;
+	}
+}
+
+function onNote() {
+	if (!columnActive) {
+		indicated = true;
+	}
+}
+
+function onChangeActiveState(state) {
+	columnActive = state;
+
+	if (columnActive) {
+		indicated = false;
+	}
+}
+
+const menu = [{
+	icon: 'ti ti-pencil',
+	text: i18n.ts.timeline,
+	action: setType,
+}];
+</script>
+
+<style lang="scss" scoped>
+.iwaalbte {
+	text-align: center;
+
+	> p {
+		margin: 16px;
+
+		&.desc {
+			font-size: 14px;
+		}
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/deck/widgets-column.vue b/packages/frontend/src/ui/deck/widgets-column.vue
new file mode 100644
index 0000000000..fc61d18ff6
--- /dev/null
+++ b/packages/frontend/src/ui/deck/widgets-column.vue
@@ -0,0 +1,69 @@
+<template>
+<XColumn :menu="menu" :naked="true" :column="column" :is-stacked="isStacked" @parent-focus="$event => emit('parent-focus', $event)">
+	<template #header><i class="ti ti-apps" style="margin-right: 8px;"></i>{{ column.name }}</template>
+
+	<div class="wtdtxvec">
+		<div v-if="!(column.widgets && column.widgets.length > 0) && !edit" class="intro">{{ i18n.ts._deck.widgetsIntroduction }}</div>
+		<XWidgets :edit="edit" :widgets="column.widgets" @add-widget="addWidget" @remove-widget="removeWidget" @update-widget="updateWidget" @update-widgets="updateWidgets" @exit="edit = false"/>
+	</div>
+</XColumn>
+</template>
+
+<script lang="ts" setup>
+import { } from 'vue';
+import XColumn from './column.vue';
+import { addColumnWidget, Column, removeColumnWidget, setColumnWidgets, updateColumnWidget } from './deck-store';
+import XWidgets from '@/components/MkWidgets.vue';
+import { i18n } from '@/i18n';
+
+const props = defineProps<{
+	column: Column;
+	isStacked: boolean;
+}>();
+
+const emit = defineEmits<{
+	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
+}>();
+
+let edit = $ref(false);
+
+function addWidget(widget) {
+	addColumnWidget(props.column.id, widget);
+}
+
+function removeWidget(widget) {
+	removeColumnWidget(props.column.id, widget);
+}
+
+function updateWidget({ id, data }) {
+	updateColumnWidget(props.column.id, id, data);
+}
+
+function updateWidgets(widgets) {
+	setColumnWidgets(props.column.id, widgets);
+}
+
+function func() {
+	edit = !edit;
+}
+
+const menu = [{
+	icon: 'ti ti-pencil',
+	text: i18n.ts.editWidgets,
+	action: func,
+}];
+</script>
+
+<style lang="scss" scoped>
+.wtdtxvec {
+	--margin: 8px;
+	--panelBorder: none;
+
+	padding: 0 var(--margin);
+
+	> .intro {
+		padding: 16px;
+		text-align: center;
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/universal.vue b/packages/frontend/src/ui/universal.vue
new file mode 100644
index 0000000000..b91bf476e8
--- /dev/null
+++ b/packages/frontend/src/ui/universal.vue
@@ -0,0 +1,390 @@
+<template>
+<div class="dkgtipfy" :class="{ wallpaper }">
+	<XSidebar v-if="!isMobile" class="sidebar"/>
+
+	<MkStickyContainer class="contents">
+		<template #header><XStatusBars :class="$style.statusbars"/></template>
+		<main style="min-width: 0;" :style="{ background: pageMetadata?.value?.bg }" @contextmenu.stop="onContextmenu">
+			<div :class="$style.content">
+				<RouterView/>
+			</div>
+			<div :class="$style.spacer"></div>
+		</main>
+	</MkStickyContainer>
+
+	<div v-if="isDesktop" ref="widgetsEl" class="widgets">
+		<XWidgets @mounted="attachSticky"/>
+	</div>
+
+	<button v-if="!isDesktop && !isMobile" class="widgetButton _button" @click="widgetsShowing = true"><i class="ti ti-apps"></i></button>
+
+	<div v-if="isMobile" class="buttons">
+		<button class="button nav _button" @click="drawerMenuShowing = true"><i class="ti ti-menu-2"></i><span v-if="menuIndicated" class="indicator"><i class="_indicatorCircle"></i></span></button>
+		<button class="button home _button" @click="mainRouter.currentRoute.value.name === 'index' ? top() : mainRouter.push('/')"><i class="ti ti-home"></i></button>
+		<button class="button notifications _button" @click="mainRouter.push('/my/notifications')"><i class="ti ti-bell"></i><span v-if="$i?.hasUnreadNotification" class="indicator"><i class="_indicatorCircle"></i></span></button>
+		<button class="button widget _button" @click="widgetsShowing = true"><i class="ti ti-apps"></i></button>
+		<button class="button post _button" @click="os.post()"><i class="ti ti-pencil"></i></button>
+	</div>
+
+	<transition :name="$store.state.animation ? 'menuDrawer-back' : ''">
+		<div
+			v-if="drawerMenuShowing"
+			class="menuDrawer-back _modalBg"
+			@click="drawerMenuShowing = false"
+			@touchstart.passive="drawerMenuShowing = false"
+		></div>
+	</transition>
+
+	<transition :name="$store.state.animation ? 'menuDrawer' : ''">
+		<XDrawerMenu v-if="drawerMenuShowing" class="menuDrawer"/>
+	</transition>
+
+	<transition :name="$store.state.animation ? 'widgetsDrawer-back' : ''">
+		<div
+			v-if="widgetsShowing"
+			class="widgetsDrawer-back _modalBg"
+			@click="widgetsShowing = false"
+			@touchstart.passive="widgetsShowing = false"
+		></div>
+	</transition>
+
+	<transition :name="$store.state.animation ? 'widgetsDrawer' : ''">
+		<XWidgets v-if="widgetsShowing" class="widgetsDrawer"/>
+	</transition>
+
+	<XCommon/>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { defineAsyncComponent, provide, onMounted, computed, ref, watch, ComputedRef } from 'vue';
+import XCommon from './_common_/common.vue';
+import { instanceName } from '@/config';
+import { StickySidebar } from '@/scripts/sticky-sidebar';
+import XDrawerMenu from '@/ui/_common_/navbar-for-mobile.vue';
+import * as os from '@/os';
+import { defaultStore } from '@/store';
+import { navbarItemDef } from '@/navbar';
+import { i18n } from '@/i18n';
+import { $i } from '@/account';
+import { Router } from '@/nirax';
+import { mainRouter } from '@/router';
+import { PageMetadata, provideMetadataReceiver, setPageMetadata } from '@/scripts/page-metadata';
+import { deviceKind } from '@/scripts/device-kind';
+const XWidgets = defineAsyncComponent(() => import('./universal.widgets.vue'));
+const XSidebar = defineAsyncComponent(() => import('@/ui/_common_/navbar.vue'));
+const XStatusBars = defineAsyncComponent(() => import('@/ui/_common_/statusbars.vue'));
+
+const DESKTOP_THRESHOLD = 1100;
+const MOBILE_THRESHOLD = 500;
+
+// デスクトップでウィンドウを狭くしたときモバイルUIが表示されて欲しいことはあるので deviceKind === 'desktop' の判定は行わない
+const isDesktop = ref(window.innerWidth >= DESKTOP_THRESHOLD);
+const isMobile = ref(deviceKind === 'smartphone' || window.innerWidth <= MOBILE_THRESHOLD);
+window.addEventListener('resize', () => {
+	isMobile.value = deviceKind === 'smartphone' || window.innerWidth <= MOBILE_THRESHOLD;
+});
+
+let pageMetadata = $ref<null | ComputedRef<PageMetadata>>();
+const widgetsEl = $ref<HTMLElement>();
+const widgetsShowing = $ref(false);
+
+provide('router', mainRouter);
+provideMetadataReceiver((info) => {
+	pageMetadata = info;
+	if (pageMetadata.value) {
+		document.title = `${pageMetadata.value.title} | ${instanceName}`;
+	}
+});
+
+const menuIndicated = computed(() => {
+	for (const def in navbarItemDef) {
+		if (def === 'notifications') continue; // 通知は下にボタンとして表示されてるから
+		if (navbarItemDef[def].indicated) return true;
+	}
+	return false;
+});
+
+const drawerMenuShowing = ref(false);
+
+mainRouter.on('change', () => {
+	drawerMenuShowing.value = false;
+});
+
+document.documentElement.style.overflowY = 'scroll';
+
+if (defaultStore.state.widgets.length === 0) {
+	defaultStore.set('widgets', [{
+		name: 'calendar',
+		id: 'a', place: 'right', data: {},
+	}, {
+		name: 'notifications',
+		id: 'b', place: 'right', data: {},
+	}, {
+		name: 'trends',
+		id: 'c', place: 'right', data: {},
+	}]);
+}
+
+onMounted(() => {
+	if (!isDesktop.value) {
+		window.addEventListener('resize', () => {
+			if (window.innerWidth >= DESKTOP_THRESHOLD) isDesktop.value = true;
+		}, { passive: true });
+	}
+});
+
+const onContextmenu = (ev) => {
+	const isLink = (el: HTMLElement) => {
+		if (el.tagName === 'A') return true;
+		if (el.parentElement) {
+			return isLink(el.parentElement);
+		}
+	};
+	if (isLink(ev.target)) return;
+	if (['INPUT', 'TEXTAREA', 'IMG', 'VIDEO', 'CANVAS'].includes(ev.target.tagName) || ev.target.attributes['contenteditable']) return;
+	if (window.getSelection()?.toString() !== '') return;
+	const path = mainRouter.getCurrentPath();
+	os.contextMenu([{
+		type: 'label',
+		text: path,
+	}, {
+		icon: 'ti ti-window-maximize',
+		text: i18n.ts.openInWindow,
+		action: () => {
+			os.pageWindow(path);
+		},
+	}], ev);
+};
+
+const attachSticky = (el) => {
+	const sticky = new StickySidebar(widgetsEl);
+	window.addEventListener('scroll', () => {
+		sticky.calc(window.scrollY);
+	}, { passive: true });
+};
+
+function top() {
+	window.scroll({ top: 0, behavior: 'smooth' });
+}
+
+const wallpaper = localStorage.getItem('wallpaper') != null;
+</script>
+
+<style lang="scss" scoped>
+.widgetsDrawer-enter-active,
+.widgetsDrawer-leave-active {
+	opacity: 1;
+	transform: translateX(0);
+	transition: transform 300ms cubic-bezier(0.23, 1, 0.32, 1), opacity 300ms cubic-bezier(0.23, 1, 0.32, 1);
+}
+.widgetsDrawer-enter-from,
+.widgetsDrawer-leave-active {
+	opacity: 0;
+	transform: translateX(240px);
+}
+
+.widgetsDrawer-back-enter-active,
+.widgetsDrawer-back-leave-active {
+	opacity: 1;
+	transition: opacity 300ms cubic-bezier(0.23, 1, 0.32, 1);
+}
+.widgetsDrawer-back-enter-from,
+.widgetsDrawer-back-leave-active {
+	opacity: 0;
+}
+
+.menuDrawer-enter-active,
+.menuDrawer-leave-active {
+	opacity: 1;
+	transform: translateX(0);
+	transition: transform 300ms cubic-bezier(0.23, 1, 0.32, 1), opacity 300ms cubic-bezier(0.23, 1, 0.32, 1);
+}
+.menuDrawer-enter-from,
+.menuDrawer-leave-active {
+	opacity: 0;
+	transform: translateX(-240px);
+}
+
+.menuDrawer-back-enter-active,
+.menuDrawer-back-leave-active {
+	opacity: 1;
+	transition: opacity 300ms cubic-bezier(0.23, 1, 0.32, 1);
+}
+.menuDrawer-back-enter-from,
+.menuDrawer-back-leave-active {
+	opacity: 0;
+}
+
+.dkgtipfy {
+	$ui-font-size: 1em; // TODO: どこかに集約したい
+	$widgets-hide-threshold: 1090px;
+
+	min-height: 100dvh;
+	box-sizing: border-box;
+	display: flex;
+
+	&.wallpaper {
+		background: var(--wallpaperOverlay);
+		//backdrop-filter: var(--blur, blur(4px));
+	}
+
+	> .sidebar {
+		border-right: solid 0.5px var(--divider);
+	}
+
+	> .contents {
+		width: 100%;
+		min-width: 0;
+		background: var(--bg);
+	}
+
+	> .widgets {
+		padding: 0 var(--margin);
+		border-left: solid 0.5px var(--divider);
+		background: var(--bg);
+
+		@media (max-width: $widgets-hide-threshold) {
+			display: none;
+		}
+	}
+
+	> .widgetButton {
+		display: block;
+		position: fixed;
+		z-index: 1000;
+		bottom: 32px;
+		right: 32px;
+		width: 64px;
+		height: 64px;
+		border-radius: 100%;
+		box-shadow: 0 3px 5px -1px rgba(0, 0, 0, 0.2), 0 6px 10px 0 rgba(0, 0, 0, 0.14), 0 1px 18px 0 rgba(0, 0, 0, 0.12);
+		font-size: 22px;
+		background: var(--panel);
+	}
+
+	> .widgetsDrawer-back {
+		z-index: 1001;
+	}
+
+	> .widgetsDrawer {
+		position: fixed;
+		top: 0;
+		right: 0;
+		z-index: 1001;
+		height: 100dvh;
+		padding: var(--margin);
+		box-sizing: border-box;
+		overflow: auto;
+		overscroll-behavior: contain;
+		background: var(--bg);
+	}
+
+	> .buttons {
+		position: fixed;
+		z-index: 1000;
+		bottom: 0;
+		left: 0;
+		padding: 16px 16px calc(env(safe-area-inset-bottom, 0px) + 16px) 16px;
+		display: flex;
+		width: 100%;
+		box-sizing: border-box;
+		-webkit-backdrop-filter: var(--blur, blur(32px));
+		backdrop-filter: var(--blur, blur(32px));
+		background-color: var(--header);
+		border-top: solid 0.5px var(--divider);
+
+		> .button {
+			position: relative;
+			flex: 1;
+			padding: 0;
+			margin: auto;
+			height: 64px;
+			border-radius: 8px;
+			background: var(--panel);
+			color: var(--fg);
+
+			&:not(:last-child) {
+				margin-right: 12px;
+			}
+
+			@media (max-width: 400px) {
+				height: 60px;
+
+				&:not(:last-child) {
+					margin-right: 8px;
+				}
+			}
+
+			&:hover {
+				background: var(--X2);
+			}
+
+			> .indicator {
+				position: absolute;
+				top: 0;
+				left: 0;
+				color: var(--indicator);
+				font-size: 16px;
+				animation: blink 1s infinite;
+			}
+
+			&:first-child {
+				margin-left: 0;
+			}
+
+			&:last-child {
+				margin-right: 0;
+			}
+
+			> * {
+				font-size: 20px;
+			}
+
+			&:disabled {
+				cursor: default;
+
+				> * {
+					opacity: 0.5;
+				}
+			}
+		}
+	}
+
+	> .menuDrawer-back {
+		z-index: 1001;
+	}
+
+	> .menuDrawer {
+		position: fixed;
+		top: 0;
+		left: 0;
+		z-index: 1001;
+		height: 100dvh;
+		width: 240px;
+		box-sizing: border-box;
+		contain: strict;
+		overflow: auto;
+		overscroll-behavior: contain;
+		background: var(--navBg);
+	}
+}
+</style>
+
+<style lang="scss" module>
+.statusbars {
+	position: sticky;
+	top: 0;
+	left: 0;
+}
+
+.spacer {
+	$widgets-hide-threshold: 1090px;
+
+	height: calc(env(safe-area-inset-bottom, 0px) + 96px);
+
+	@media (min-width: ($widgets-hide-threshold + 1px)) {
+		display: none;
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/universal.widgets.vue b/packages/frontend/src/ui/universal.widgets.vue
new file mode 100644
index 0000000000..33fb492836
--- /dev/null
+++ b/packages/frontend/src/ui/universal.widgets.vue
@@ -0,0 +1,71 @@
+<template>
+<div class="efzpzdvf">
+	<XWidgets :edit="editMode" :widgets="defaultStore.reactiveState.widgets.value" @add-widget="addWidget" @remove-widget="removeWidget" @update-widget="updateWidget" @update-widgets="updateWidgets" @exit="editMode = false"/>
+
+	<button v-if="editMode" class="_textButton" style="font-size: 0.9em;" @click="editMode = false"><i class="ti ti-check"></i> {{ i18n.ts.editWidgetsExit }}</button>
+	<button v-else class="_textButton mk-widget-edit" style="font-size: 0.9em;" @click="editMode = true"><i class="ti ti-pencil"></i> {{ i18n.ts.editWidgets }}</button>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { onMounted } from 'vue';
+import XWidgets from '@/components/MkWidgets.vue';
+import { i18n } from '@/i18n';
+import { defaultStore } from '@/store';
+
+const emit = defineEmits<{
+	(ev: 'mounted', el: Element): void;
+}>();
+
+let editMode = $ref(false);
+let rootEl = $ref<HTMLDivElement>();
+
+onMounted(() => {
+	emit('mounted', rootEl);
+});
+
+function addWidget(widget) {
+	defaultStore.set('widgets', [{
+		...widget,
+		place: null,
+	}, ...defaultStore.state.widgets]);
+}
+
+function removeWidget(widget) {
+	defaultStore.set('widgets', defaultStore.state.widgets.filter(w => w.id !== widget.id));
+}
+
+function updateWidget({ id, data }) {
+	defaultStore.set('widgets', defaultStore.state.widgets.map(w => w.id === id ? {
+		...w,
+		data,
+	} : w));
+}
+
+function updateWidgets(widgets) {
+	defaultStore.set('widgets', widgets);
+}
+</script>
+
+<style lang="scss" scoped>
+.efzpzdvf {
+	position: sticky;
+	height: min-content;
+	min-height: 100vh;
+	padding: var(--margin) 0;
+	box-sizing: border-box;
+
+	> * {
+		margin: var(--margin) 0;
+		width: 300px;
+
+		&:first-child {
+			margin-top: 0;
+		}
+	}
+
+	> .add {
+		margin: 0 auto;
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/visitor.vue b/packages/frontend/src/ui/visitor.vue
new file mode 100644
index 0000000000..ec9150d346
--- /dev/null
+++ b/packages/frontend/src/ui/visitor.vue
@@ -0,0 +1,19 @@
+<template>
+<DesignB/>
+<XCommon/>
+</template>
+
+<script lang="ts">
+import { defineComponent, defineAsyncComponent } from 'vue';
+import DesignA from './visitor/a.vue';
+import DesignB from './visitor/b.vue';
+import XCommon from './_common_/common.vue';
+
+export default defineComponent({
+	components: {
+		XCommon,
+		DesignA,
+		DesignB,
+	},
+});
+</script>
diff --git a/packages/frontend/src/ui/visitor/a.vue b/packages/frontend/src/ui/visitor/a.vue
new file mode 100644
index 0000000000..f8db7a9d09
--- /dev/null
+++ b/packages/frontend/src/ui/visitor/a.vue
@@ -0,0 +1,259 @@
+<template>
+<div class="mk-app">
+	<div v-if="mainRouter.currentRoute?.name === 'index'" class="banner" :style="{ backgroundImage: `url(${ $instance.bannerUrl })` }">
+		<div>
+			<h1 v-if="meta"><img v-if="meta.logoImageUrl" class="logo" :src="meta.logoImageUrl"><span v-else class="text">{{ instanceName }}</span></h1>
+			<div v-if="meta" class="about">
+				<!-- eslint-disable-next-line vue/no-v-html -->
+				<div class="desc" v-html="meta.description || $ts.introMisskey"></div>
+			</div>
+			<div class="action">
+				<button class="_button primary" @click="signup()">{{ $ts.signup }}</button>
+				<button class="_button" @click="signin()">{{ $ts.login }}</button>
+			</div>
+		</div>
+	</div>
+	<div v-else class="banner-mini" :style="{ backgroundImage: `url(${ $instance.bannerUrl })` }">
+		<div>
+			<h1 v-if="meta"><img v-if="meta.logoImageUrl" class="logo" :src="meta.logoImageUrl"><span v-else class="text">{{ instanceName }}</span></h1>
+		</div>
+	</div>
+
+	<div class="main">
+		<div ref="contents" class="contents" :class="{ wallpaper }">
+			<header v-show="mainRouter.currentRoute?.name !== 'index'" ref="header" class="header">
+				<XHeader :info="pageInfo"/>
+			</header>
+			<main ref="main">
+				<RouterView/>
+			</main>
+			<div class="powered-by">
+				<b><MkA to="/">{{ host }}</MkA></b>
+				<small>Powered by <a href="https://github.com/misskey-dev/misskey" target="_blank">Misskey</a></small>
+			</div>
+		</div>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent, defineAsyncComponent } from 'vue';
+import XHeader from './header.vue';
+import { host, instanceName } from '@/config';
+import { search } from '@/scripts/search';
+import * as os from '@/os';
+import MkPagination from '@/components/MkPagination.vue';
+import MkButton from '@/components/MkButton.vue';
+import { ColdDeviceStorage } from '@/store';
+import { mainRouter } from '@/router';
+
+const DESKTOP_THRESHOLD = 1100;
+
+export default defineComponent({
+	components: {
+		XHeader,
+		MkPagination,
+		MkButton,
+	},
+
+	data() {
+		return {
+			host,
+			instanceName,
+			pageInfo: null,
+			meta: null,
+			narrow: window.innerWidth < 1280,
+			announcements: {
+				endpoint: 'announcements',
+				limit: 10,
+			},
+			mainRouter,
+			isDesktop: window.innerWidth >= DESKTOP_THRESHOLD,
+		};
+	},
+
+	computed: {
+		keymap(): any {
+			return {
+				'd': () => {
+					if (ColdDeviceStorage.get('syncDeviceDarkMode')) return;
+					this.$store.set('darkMode', !this.$store.state.darkMode);
+				},
+				's': search,
+				'h|/': this.help,
+			};
+		},
+	},
+
+	created() {
+		document.documentElement.style.overflowY = 'scroll';
+
+		os.api('meta', { detail: true }).then(meta => {
+			this.meta = meta;
+		});
+	},
+
+	mounted() {
+		if (!this.isDesktop) {
+			window.addEventListener('resize', () => {
+				if (window.innerWidth >= DESKTOP_THRESHOLD) this.isDesktop = true;
+			}, { passive: true });
+		}
+	},
+
+	methods: {
+		// @ThatOneCalculator: Are these methods even used?
+		// I can't find references to them anywhere else in the code...
+
+		// setParallax(el) {
+		// 	new simpleParallax(el);
+		// },
+
+		changePage(page) {
+			if (page == null) return;
+			// eslint-disable-next-line no-undef
+			if (page[symbols.PAGE_INFO]) {
+				// eslint-disable-next-line no-undef
+				this.pageInfo = page[symbols.PAGE_INFO];
+			}
+		},
+
+		top() {
+			window.scroll({ top: 0, behavior: 'smooth' });
+		},
+
+		help() {
+			window.open('https://misskey-hub.net/docs/keyboard-shortcut.md', '_blank');
+		},
+	},
+});
+</script>
+
+<style lang="scss" scoped>
+.mk-app {
+	min-height: 100vh;
+
+	> .banner {
+		position: relative;
+		width: 100%;
+		text-align: center;
+		background-position: center;
+		background-size: cover;
+
+		> div {
+			height: 100%;
+			background: rgba(0, 0, 0, 0.3);
+
+			* {
+				color: #fff;
+			}
+					
+			> h1 {
+				margin: 0;
+				padding: 96px 32px 0 32px;
+				text-shadow: 0 0 8px black;
+
+				> .logo {
+					vertical-align: bottom;
+					max-height: 150px;
+				}
+			}
+
+			> .about {
+				padding: 32px;
+				max-width: 580px;
+				margin: 0 auto;
+				box-sizing: border-box;
+				text-shadow: 0 0 8px black;
+			}
+
+			> .action {
+				padding-bottom: 64px;
+				
+				> button {
+					display: inline-block;
+					padding: 10px 20px;
+					box-sizing: border-box;
+					text-align: center;
+					border-radius: 999px;
+					background: var(--panel);
+					color: var(--fg);
+
+					&.primary {
+						background: var(--accent);
+						color: #fff;
+					}
+
+					&:first-child {
+						margin-right: 16px;
+					}
+				}
+			}
+		}
+	}
+
+	> .banner-mini {
+		position: relative;
+		width: 100%;
+		text-align: center;
+		background-position: center;
+		background-size: cover;
+
+		> div {
+			position: relative;
+			z-index: 1;
+			height: 100%;
+			background: rgba(0, 0, 0, 0.3);
+
+			* {
+				color: #fff !important;
+			}
+
+			> header {
+				
+			}
+					
+			> h1 {
+				margin: 0;
+				padding: 32px;
+				text-shadow: 0 0 8px black;
+
+				> .logo {
+					vertical-align: bottom;
+					max-height: 100px;
+				}
+			}
+		}
+	}
+
+	> .main {
+		> .contents {
+			position: relative;
+			z-index: 1;
+
+			> .header {
+				position: sticky;
+				top: 0;
+				left: 0;
+				z-index: 1000;
+			}
+
+			> .powered-by {
+				padding: 28px;
+				font-size: 14px;
+				text-align: center;
+				border-top: 1px solid var(--divider);
+
+				> small {
+					display: block;
+					margin-top: 8px;
+					opacity: 0.5;
+				}
+			}
+		}
+	}
+}
+</style>
+
+<style lang="scss">
+</style>
diff --git a/packages/frontend/src/ui/visitor/b.vue b/packages/frontend/src/ui/visitor/b.vue
new file mode 100644
index 0000000000..275008a8f8
--- /dev/null
+++ b/packages/frontend/src/ui/visitor/b.vue
@@ -0,0 +1,248 @@
+<template>
+<div class="mk-app">
+	<a v-if="root" href="https://github.com/misskey-dev/misskey" target="_blank" class="github-corner" aria-label="View source on GitHub"><svg width="80" height="80" viewBox="0 0 250 250" style="fill:var(--panel); color:var(--fg); position: fixed; z-index: 10; top: 0; border: 0; right: 0;" aria-hidden="true"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg></a>
+
+	<div v-if="!narrow && !root" class="side">
+		<XKanban class="kanban" full/>
+	</div>
+
+	<div class="main">
+		<XKanban v-if="narrow && !root" class="banner" :powered-by="root"/>
+
+		<div class="contents">
+			<XHeader v-if="!root" class="header" :info="pageInfo"/>
+			<main>
+				<RouterView/>
+			</main>
+			<div v-if="!root" class="powered-by">
+				<b><MkA to="/">{{ host }}</MkA></b>
+				<small>Powered by <a href="https://github.com/misskey-dev/misskey" target="_blank">Misskey</a></small>
+			</div>
+		</div>
+	</div>
+
+	<transition :name="$store.state.animation ? 'tray-back' : ''">
+		<div
+			v-if="showMenu"
+			class="menu-back _modalBg"
+			@click="showMenu = false"
+			@touchstart.passive="showMenu = false"
+		></div>
+	</transition>
+
+	<transition :name="$store.state.animation ? 'tray' : ''">
+		<div v-if="showMenu" class="menu">
+			<MkA to="/" class="link" active-class="active"><i class="ti ti-home icon"></i>{{ $ts.home }}</MkA>
+			<MkA to="/explore" class="link" active-class="active"><i class="ti ti-hash icon"></i>{{ $ts.explore }}</MkA>
+			<MkA to="/featured" class="link" active-class="active"><i class="fas fa-fire-alt icon"></i>{{ $ts.featured }}</MkA>
+			<MkA to="/channels" class="link" active-class="active"><i class="ti ti-device-tv icon"></i>{{ $ts.channel }}</MkA>
+			<div class="action">
+				<button class="_buttonPrimary" @click="signup()">{{ $ts.signup }}</button>
+				<button class="_button" @click="signin()">{{ $ts.login }}</button>
+			</div>
+		</div>
+	</transition>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { ComputedRef, onMounted, provide } from 'vue';
+import XHeader from './header.vue';
+import XKanban from './kanban.vue';
+import { host, instanceName } from '@/config';
+import { search } from '@/scripts/search';
+import * as os from '@/os';
+import MkPagination from '@/components/MkPagination.vue';
+import XSigninDialog from '@/components/MkSigninDialog.vue';
+import XSignupDialog from '@/components/MkSignupDialog.vue';
+import MkButton from '@/components/MkButton.vue';
+import { ColdDeviceStorage, defaultStore } from '@/store';
+import { mainRouter } from '@/router';
+import { PageMetadata, provideMetadataReceiver, setPageMetadata } from '@/scripts/page-metadata';
+
+const DESKTOP_THRESHOLD = 1100;
+
+let pageMetadata = $ref<null | ComputedRef<PageMetadata>>();
+
+provide('router', mainRouter);
+provideMetadataReceiver((info) => {
+	pageMetadata = info;
+	if (pageMetadata.value) {
+		document.title = `${pageMetadata.value.title} | ${instanceName}`;
+	}
+});
+
+const announcements = {
+	endpoint: 'announcements',
+	limit: 10,
+};
+let showMenu = $ref(false);
+let isDesktop = $ref(window.innerWidth >= DESKTOP_THRESHOLD);
+let narrow = $ref(window.innerWidth < 1280);
+let meta = $ref();
+
+const keymap = $computed(() => {
+	return {
+		'd': () => {
+			if (ColdDeviceStorage.get('syncDeviceDarkMode')) return;
+			defaultStore.set('darkMode', !defaultStore.state.darkMode);
+		},
+		's': search,
+	};
+});
+
+const root = $computed(() => mainRouter.currentRoute.value.name === 'index');
+
+os.api('meta', { detail: true }).then(res => {
+	meta = res;
+});
+
+function signin() {
+	os.popup(XSigninDialog, {
+		autoSet: true,
+	}, {}, 'closed');
+}
+
+function signup() {
+	os.popup(XSignupDialog, {
+		autoSet: true,
+	}, {}, 'closed');
+}
+
+onMounted(() => {
+	if (!isDesktop) {
+		window.addEventListener('resize', () => {
+			if (window.innerWidth >= DESKTOP_THRESHOLD) isDesktop = true;
+		}, { passive: true });
+	}
+});
+
+defineExpose({
+	showMenu: $$(showMenu),
+});
+</script>
+
+<style>
+.github-corner:hover .octo-arm{animation:octocat-wave 560ms ease-in-out}@keyframes octocat-wave{0%,100%{transform:rotate(0)}20%,60%{transform:rotate(-25deg)}40%,80%{transform:rotate(10deg)}}@media (max-width:500px){.github-corner:hover .octo-arm{animation:none}.github-corner .octo-arm{animation:octocat-wave 560ms ease-in-out}}
+</style>
+
+<style lang="scss" scoped>
+.tray-enter-active,
+.tray-leave-active {
+	opacity: 1;
+	transform: translateX(0);
+	transition: transform 300ms cubic-bezier(0.23, 1, 0.32, 1), opacity 300ms cubic-bezier(0.23, 1, 0.32, 1);
+}
+.tray-enter-from,
+.tray-leave-active {
+	opacity: 0;
+	transform: translateX(-240px);
+}
+
+.tray-back-enter-active,
+.tray-back-leave-active {
+	opacity: 1;
+	transition: opacity 300ms cubic-bezier(0.23, 1, 0.32, 1);
+}
+.tray-back-enter-from,
+.tray-back-leave-active {
+	opacity: 0;
+}
+
+.mk-app {
+	display: flex;
+	min-height: 100vh;
+	background-position: center;
+	background-size: cover;
+	background-attachment: fixed;
+
+	> .side {
+		width: 500px;
+		height: 100vh;
+
+		> .kanban {
+			position: fixed;
+			top: 0;
+			left: 0;
+			width: 500px;
+			height: 100vh;
+			overflow: auto;
+		}
+	}
+
+	> .main {
+		flex: 1;
+		min-width: 0;
+
+		> .banner {
+		}
+
+		> .contents {
+			position: relative;
+			z-index: 1;
+
+			> .powered-by {
+				padding: 28px;
+				font-size: 14px;
+				text-align: center;
+				border-top: 1px solid var(--divider);
+
+				> small {
+					display: block;
+					margin-top: 8px;
+					opacity: 0.5;
+				}
+			}
+		}
+	}
+
+	> .menu-back {
+		position: fixed;
+		z-index: 1001;
+		top: 0;
+		left: 0;
+		width: 100vw;
+		height: 100vh;
+	}
+
+	> .menu {
+		position: fixed;
+		z-index: 1001;
+		top: 0;
+		left: 0;
+		width: 240px;
+		height: 100vh;
+		background: var(--panel);
+
+		> .link {
+			display: block;
+			padding: 16px;
+
+			> .icon {
+				margin-right: 1em;
+			}
+		}
+
+		> .action {
+			padding: 16px;
+
+			> button {
+				display: block;
+				width: 100%;
+				padding: 10px;
+				box-sizing: border-box;
+				text-align: center;
+				border-radius: 999px;
+
+				&._button {
+					background: var(--panel);
+				}
+
+				&:first-child {
+					margin-bottom: 16px;
+				}
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/visitor/header.vue b/packages/frontend/src/ui/visitor/header.vue
new file mode 100644
index 0000000000..7300b12a75
--- /dev/null
+++ b/packages/frontend/src/ui/visitor/header.vue
@@ -0,0 +1,228 @@
+<template>
+<div class="sqxihjet">
+	<div v-if="narrow === false" class="wide">
+		<div class="content">
+			<MkA to="/" class="link" active-class="active"><i class="ti ti-home icon"></i>{{ $ts.home }}</MkA>
+			<MkA to="/explore" class="link" active-class="active"><i class="ti ti-hash icon"></i>{{ $ts.explore }}</MkA>
+			<MkA to="/featured" class="link" active-class="active"><i class="fas fa-fire-alt icon"></i>{{ $ts.featured }}</MkA>
+			<MkA to="/channels" class="link" active-class="active"><i class="ti ti-device-tv icon"></i>{{ $ts.channel }}</MkA>
+			<div v-if="info" class="page active link">
+				<div class="title">
+					<i v-if="info.icon" class="icon" :class="info.icon"></i>
+					<MkAvatar v-else-if="info.avatar" class="avatar" :user="info.avatar" :disable-preview="true" :show-indicator="true"/>
+					<span v-if="info.title" class="text">{{ info.title }}</span>
+					<MkUserName v-else-if="info.userName" :user="info.userName" :nowrap="false" class="text"/>
+				</div>
+				<button v-if="info.action" class="_button action" @click.stop="info.action.handler"><!-- TODO --></button>
+			</div>
+			<div class="right">
+				<button class="_button search" @click="search()"><i class="ti ti-search icon"></i><span>{{ $ts.search }}</span></button>
+				<button class="_buttonPrimary signup" @click="signup()">{{ $ts.signup }}</button>
+				<button class="_button login" @click="signin()">{{ $ts.login }}</button>
+			</div>
+		</div>
+	</div>
+	<div v-else-if="narrow === true" class="narrow">
+		<button class="menu _button" @click="$parent.showMenu = true">
+			<i class="ti ti-menu-2 icon"></i>
+		</button>
+		<div v-if="info" class="title">
+			<i v-if="info.icon" class="icon" :class="info.icon"></i>
+			<MkAvatar v-else-if="info.avatar" class="avatar" :user="info.avatar" :disable-preview="true" :show-indicator="true"/>
+			<span v-if="info.title" class="text">{{ info.title }}</span>
+			<MkUserName v-else-if="info.userName" :user="info.userName" :nowrap="false" class="text"/>
+		</div>
+		<button v-if="info && info.action" class="action _button" @click.stop="info.action.handler">
+			<!-- TODO -->
+		</button>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import XSigninDialog from '@/components/MkSigninDialog.vue';
+import XSignupDialog from '@/components/MkSignupDialog.vue';
+import * as os from '@/os';
+import { search } from '@/scripts/search';
+
+export default defineComponent({
+	props: {
+		info: {
+			required: true,
+		},
+	},
+
+	data() {
+		return {
+			narrow: null,
+			showMenu: false,
+		};
+	},
+
+	mounted() {
+		this.narrow = this.$el.clientWidth < 1300;
+	},
+
+	methods: {
+		signin() {
+			os.popup(XSigninDialog, {
+				autoSet: true,
+			}, {}, 'closed');
+		},
+
+		signup() {
+			os.popup(XSignupDialog, {
+				autoSet: true,
+			}, {}, 'closed');
+		},
+
+		search,
+	},
+});
+</script>
+
+<style lang="scss" scoped>
+.sqxihjet {
+	$height: 60px;
+	position: sticky;
+	top: 0;
+	left: 0;
+	z-index: 1000;
+	line-height: $height;
+	-webkit-backdrop-filter: var(--blur, blur(32px));
+	backdrop-filter: var(--blur, blur(32px));
+	background-color: var(--X16);
+
+	> .wide {
+		> .content {
+			max-width: 1400px;
+			margin: 0 auto;
+			display: flex;
+			align-items: center;
+
+			> .link {
+				$line: 3px;
+				display: inline-block;
+				padding: 0 16px;
+				line-height: $height - ($line * 2);
+				border-top: solid $line transparent;
+				border-bottom: solid $line transparent;
+
+				> .icon {
+					margin-right: 0.5em;
+				}
+
+				&.page {
+					border-bottom-color: var(--accent);
+				}
+			}
+
+			> .page {
+				> .title {
+					display: inline-block;
+					vertical-align: bottom;
+					white-space: nowrap;
+					overflow: hidden;
+					text-overflow: ellipsis;
+					position: relative;
+
+					> .icon + .text {
+						margin-left: 8px;
+					}
+
+					> .avatar {
+						$size: 32px;
+						display: inline-block;
+						width: $size;
+						height: $size;
+						vertical-align: middle;
+						margin-right: 8px;
+						pointer-events: none;
+					}
+
+					&._button {
+						&:hover {
+							color: var(--fgHighlighted);
+						}
+					}
+
+					&.selected {
+						box-shadow: 0 -2px 0 0 var(--accent) inset;
+						color: var(--fgHighlighted);
+					}
+				}
+
+				> .action {
+					padding: 0 0 0 16px;
+				}
+			}
+
+			> .right {
+				margin-left: auto;
+
+				> .search {
+					background: var(--bg);
+					border-radius: 999px;
+					width: 230px;
+					line-height: $height - 20px;
+					margin-right: 16px;
+					text-align: left;
+
+					> * {
+						opacity: 0.7;
+					}
+
+					> .icon {
+						padding: 0 16px;
+					}
+				}
+
+				> .signup {
+					border-radius: 999px;
+					padding: 0 24px;
+					line-height: $height - 20px;
+				}
+
+				> .login {
+					padding: 0 16px;
+				}
+			}
+		}
+	}
+
+	> .narrow {
+		display: flex;
+
+		> .menu,
+		> .action {
+			width: $height;
+			height: $height;
+			font-size: 20px;
+		}
+
+		> .title {
+			flex: 1;
+			white-space: nowrap;
+			overflow: hidden;
+			text-overflow: ellipsis;
+			position: relative;
+			text-align: center;
+
+			> .icon + .text {
+				margin-left: 8px;
+			}
+
+			> .avatar {
+				$size: 32px;
+				display: inline-block;
+				width: $size;
+				height: $size;
+				vertical-align: middle;
+				margin-right: 8px;
+				pointer-events: none;
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/visitor/kanban.vue b/packages/frontend/src/ui/visitor/kanban.vue
new file mode 100644
index 0000000000..51e47f277d
--- /dev/null
+++ b/packages/frontend/src/ui/visitor/kanban.vue
@@ -0,0 +1,257 @@
+<!-- eslint-disable vue/no-v-html -->
+<template>
+<div class="rwqkcmrc" :style="{ backgroundImage: transparent ? 'none' : `url(${ $instance.backgroundImageUrl })` }">
+	<div class="back" :class="{ transparent }"></div>
+	<div class="contents">
+		<div class="wrapper">
+			<h1 v-if="meta" :class="{ full }">
+				<MkA to="/" class="link"><img v-if="meta.logoImageUrl" class="logo" :src="meta.logoImageUrl" alt="logo"><span v-else class="text">{{ instanceName }}</span></MkA>
+			</h1>
+			<template v-if="full">
+				<div v-if="meta" class="about">
+					<div class="desc" v-html="meta.description || $ts.introMisskey"></div>
+				</div>
+				<div class="action">
+					<button class="_buttonPrimary" @click="signup()">{{ $ts.signup }}</button>
+					<button class="_button" @click="signin()">{{ $ts.login }}</button>
+				</div>
+				<div class="announcements panel">
+					<header>{{ $ts.announcements }}</header>
+					<MkPagination v-slot="{items}" :pagination="announcements" class="list">
+						<section v-for="announcement in items" :key="announcement.id" class="item">
+							<div class="title">{{ announcement.title }}</div>
+							<div class="content">
+								<Mfm :text="announcement.text"/>
+								<img v-if="announcement.imageUrl" :src="announcement.imageUrl" alt="announcement image"/>
+							</div>
+						</section>
+					</MkPagination>
+				</div>
+				<div v-if="poweredBy" class="powered-by">
+					<b><MkA to="/">{{ host }}</MkA></b>
+					<small>Powered by <a href="https://github.com/misskey-dev/misskey" target="_blank">Misskey</a></small>
+				</div>
+			</template>
+		</div>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import { defineComponent, defineAsyncComponent } from 'vue';
+import { host, instanceName } from '@/config';
+import * as os from '@/os';
+import MkPagination from '@/components/MkPagination.vue';
+import XSigninDialog from '@/components/MkSigninDialog.vue';
+import XSignupDialog from '@/components/MkSignupDialog.vue';
+import MkButton from '@/components/MkButton.vue';
+
+export default defineComponent({
+	components: {
+		MkPagination,
+		MkButton,
+	},
+
+	props: {
+		full: {
+			type: Boolean,
+			required: false,
+			default: false,
+		},
+		transparent: {
+			type: Boolean,
+			required: false,
+			default: false,
+		},
+		poweredBy: {
+			type: Boolean,
+			required: false,
+			default: false,
+		},
+	},
+
+	data() {
+		return {
+			host,
+			instanceName,
+			pageInfo: null,
+			meta: null,
+			narrow: window.innerWidth < 1280,
+			announcements: {
+				endpoint: 'announcements',
+				limit: 10,
+			},
+		};
+	},
+
+	created() {
+		os.api('meta', { detail: true }).then(meta => {
+			this.meta = meta;
+		});
+	},
+
+	methods: {
+		signin() {
+			os.popup(XSigninDialog, {
+				autoSet: true,
+			}, {}, 'closed');
+		},
+
+		signup() {
+			os.popup(XSignupDialog, {
+				autoSet: true,
+			}, {}, 'closed');
+		},
+	},
+});
+</script>
+
+<style lang="scss" scoped>
+.rwqkcmrc {
+	position: relative;
+	text-align: center;
+	background-position: center;
+	background-size: cover;
+	// TODO: パララックスにしたい
+
+	> .back {
+		position: absolute;
+		top: 0;
+		left: 0;
+		width: 100%;
+		height: 100%;
+		background: rgba(0, 0, 0, 0.3);
+
+		&.transparent {
+			-webkit-backdrop-filter: var(--blur, blur(12px));
+			backdrop-filter: var(--blur, blur(12px));
+		}
+	}
+
+	> .contents {
+		position: relative;
+		z-index: 1;
+		height: inherit;
+		overflow: auto;
+
+		> .wrapper {
+			max-width: 380px;
+			padding: 0 16px;
+			box-sizing: border-box;
+			margin: 0 auto;
+
+			> .panel {
+				-webkit-backdrop-filter: var(--blur, blur(8px));
+				backdrop-filter: var(--blur, blur(8px));
+				background: rgba(0, 0, 0, 0.5);
+				border-radius: var(--radius);
+
+				&, * {
+					color: #fff !important;
+				}
+			}
+
+			> h1 {
+				display: block;
+				margin: 0;
+				padding: 32px 0 32px 0;
+				color: #fff;
+
+				&.full {
+					padding: 64px 0 0 0;
+
+					> .link {
+						> ::v-deep(.logo) {
+							max-height: 130px;
+						}
+					}
+				}
+
+				> .link {
+					display: block;
+
+					> ::v-deep(.logo) {
+						vertical-align: bottom;
+						max-height: 100px;
+					}
+				}
+			}
+
+			> .about {
+				display: block;
+				margin: 24px 0;
+				text-align: center;
+				box-sizing: border-box;
+				text-shadow: 0 0 8px black;
+				color: #fff;
+			}
+
+			> .action {
+				> button {
+					display: block;
+					width: 100%;
+					padding: 10px;
+					box-sizing: border-box;
+					text-align: center;
+					border-radius: 999px;
+
+					&._button {
+						background: var(--panel);
+					}
+
+					&:first-child {
+						margin-bottom: 16px;
+					}
+				}
+			}
+
+			> .announcements {
+				margin: 32px 0;
+				text-align: left;
+
+				> header {
+					padding: 12px 16px;
+					border-bottom: solid 1px rgba(255, 255, 255, 0.5);
+				}
+
+				> .list {
+					max-height: 300px;
+					overflow: auto;
+
+					> .item {
+						padding: 12px 16px;
+
+						& + .item {
+							border-top: solid 1px rgba(255, 255, 255, 0.5);
+						}
+
+						> .title {
+							font-weight: bold;
+						}
+
+						> .content {
+							> img {
+								max-width: 100%;
+							}
+						}
+					}
+				}
+			}
+
+			> .powered-by {
+				padding: 28px;
+				font-size: 14px;
+				text-align: center;
+				border-top: 1px solid rgba(255, 255, 255, 0.5);
+				color: #fff;
+
+				> small {
+					display: block;
+					margin-top: 8px;
+					opacity: 0.5;
+				}
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/frontend/src/ui/zen.vue b/packages/frontend/src/ui/zen.vue
new file mode 100644
index 0000000000..84c96a1dae
--- /dev/null
+++ b/packages/frontend/src/ui/zen.vue
@@ -0,0 +1,34 @@
+<template>
+<div class="mk-app">
+	<RouterView/>
+
+	<XCommon/>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { provide, ComputedRef } from 'vue';
+import XCommon from './_common_/common.vue';
+import { mainRouter } from '@/router';
+import { PageMetadata, provideMetadataReceiver, setPageMetadata } from '@/scripts/page-metadata';
+import { instanceName } from '@/config';
+
+let pageMetadata = $ref<null | ComputedRef<PageMetadata>>();
+
+provide('router', mainRouter);
+provideMetadataReceiver((info) => {
+	pageMetadata = info;
+	if (pageMetadata.value) {
+		document.title = `${pageMetadata.value.title} | ${instanceName}`;
+	}
+});
+
+document.documentElement.style.overflowY = 'scroll';
+</script>
+
+<style lang="scss" scoped>
+.mk-app {
+	min-height: 100dvh;
+	box-sizing: border-box;
+}
+</style>
-- 
cgit v1.2.3-freya