perf(#10923): CSS Modules のクラス名をインライン化する (#10930)

* perf(#10923): unwind css module class name

* perf(#10923): support multiple components

* refactor: clean up

* refactor(#10923): avoid `useCssModule()`

* fix(#10923): allow direct literal class name

* fix(#10923): avoid computed class name

* fix(#10923): allow literal keys

* fix(#10923): typo

* fix(#10923): invalid class names

* chore: test

* revert: test

This reverts commit 5c7ef366eceebe8ba260efa4d5d675f6c1775c45.

* fix(#10923): hidden tale

* perf(#10923): also unwind scoped css contained components

* perf(#10923): `normalizeClass` AOT compilation

---------

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

32 files changed, 153 insertions, 119 deletions

diff --git a/packages/frontend/src/components/MkAchievements.vue b/packages/frontend/src/components/MkAchievements.vue
index d30037dcf9..3fdb261dac 100644
--- a/packages/frontend/src/components/MkAchievements.vue
+++ b/packages/frontend/src/components/MkAchievements.vue
@@ -3,7 +3,14 @@
 	<div v-if="achievements" :class="$style.root">
 		<div v-for="achievement in achievements" :key="achievement" :class="$style.achievement" class="_panel">
 			<div :class="$style.icon">
-				<div :class="[$style.iconFrame, $style['iconFrame_' + ACHIEVEMENT_BADGES[achievement.name].frame]]">
+				<div
+					:class="[$style.iconFrame, {
+						[$style.iconFrame_bronze]: ACHIEVEMENT_BADGES[achievement.name].frame === 'bronze',
+						[$style.iconFrame_silver]: ACHIEVEMENT_BADGES[achievement.name].frame === 'silver',
+						[$style.iconFrame_gold]: ACHIEVEMENT_BADGES[achievement.name].frame === 'gold',
+						[$style.iconFrame_platinum]: ACHIEVEMENT_BADGES[achievement.name].frame === 'platinum',
+					}]"
+				>
 					<div :class="[$style.iconInner]" :style="{ background: ACHIEVEMENT_BADGES[achievement.name].bg }">
 						<img :class="$style.iconImg" :src="ACHIEVEMENT_BADGES[achievement.name].img">
 					</div>
diff --git a/packages/frontend/src/components/MkAutocomplete.vue b/packages/frontend/src/components/MkAutocomplete.vue
index 1af998dedd..fd892d8174 100644
--- a/packages/frontend/src/components/MkAutocomplete.vue
+++ b/packages/frontend/src/components/MkAutocomplete.vue
@@ -10,7 +10,7 @@
 		</li>
 		<li tabindex="-1" :class="$style.item" @click="chooseUser()" @keydown="onKeydown">{{ i18n.ts.selectUser }}</li>
 	</ol>
-	<ol v-else-if="hashtags.length > 0" ref="suggests" :class="[$style.list, $style.hashtags]">
+	<ol v-else-if="hashtags.length > 0" ref="suggests" :class="$style.list">
 		<li v-for="hashtag in hashtags" tabindex="-1" :class="$style.item" @click="complete(type, hashtag)" @keydown="onKeydown">
 			<span class="name">{{ hashtag }}</span>
 		</li>
diff --git a/packages/frontend/src/components/MkButton.vue b/packages/frontend/src/components/MkButton.vue
index 6de6a4cc70..16e44ec618 100644
--- a/packages/frontend/src/components/MkButton.vue
+++ b/packages/frontend/src/components/MkButton.vue
@@ -7,7 +7,7 @@
 	@click="emit('click', $event)"
 	@mousedown="onMousedown"
 >
-	<div ref="ripples" :class="$style.ripples"></div>
+	<div ref="ripples" :class="$style.ripples" :data-children-class="$style.ripple"></div>
 	<div :class="$style.content">
 		<slot></slot>
 	</div>
@@ -18,7 +18,7 @@
 	:to="to"
 	@mousedown="onMousedown"
 >
-	<div ref="ripples" :class="$style.ripples"></div>
+	<div ref="ripples" :class="$style.ripples" :data-children-class="$style.ripple"></div>
 	<div :class="$style.content">
 		<slot></slot>
 	</div>
@@ -26,9 +26,7 @@
 </template>
 
 <script lang="ts" setup>
-import { nextTick, onMounted, useCssModule } from 'vue';
-
-const $style = useCssModule();
+import { nextTick, onMounted } from 'vue';
 
 const props = defineProps<{
 	type?: 'button' | 'submit' | 'reset';
@@ -81,7 +79,7 @@ function onMousedown(evt: MouseEvent): void {
 	const rect = target.getBoundingClientRect();
 
 	const ripple = document.createElement('div');
-	ripple.classList.add($style.ripple);
+	ripple.classList.add(ripples!.dataset.childrenClass!);
 	ripple.style.top = (evt.clientY - rect.top - 1).toString() + 'px';
 	ripple.style.left = (evt.clientX - rect.left - 1).toString() + 'px';
 
diff --git a/packages/frontend/src/components/MkClickerGame.vue b/packages/frontend/src/components/MkClickerGame.vue
index da6439fd2c..a6ab5aded4 100644
--- a/packages/frontend/src/components/MkClickerGame.vue
+++ b/packages/frontend/src/components/MkClickerGame.vue
@@ -3,7 +3,7 @@
 	<div v-if="game.ready" :class="$style.game">
 		<div :class="$style.cps" class="">{{ number(cps) }}cps</div>
 		<div :class="$style.count" class=""><i class="ti ti-cookie" style="font-size: 70%;"></i> {{ number(cookies) }}</div>
-		<button v-click-anime class="_button" :class="$style.button" @click="onClick">
+		<button v-click-anime class="_button" @click="onClick">
 			<img src="/client-assets/cookie.png" :class="$style.img">
 		</button>
 	</div>
@@ -84,10 +84,6 @@ onUnmounted(() => {
 	margin-bottom: 6px;
 }
 
-.button {
-
-}
-
 .img {
 	max-width: 90px;
 }
diff --git a/packages/frontend/src/components/MkContainer.vue b/packages/frontend/src/components/MkContainer.vue
index f7cc697d67..af1c57b349 100644
--- a/packages/frontend/src/components/MkContainer.vue
+++ b/packages/frontend/src/components/MkContainer.vue
@@ -1,5 +1,5 @@
 <template>
-<div ref="rootEl" class="_panel" :class="[$style.root, { [$style.naked]: naked, [$style.thin]: thin, [$style.hideHeader]: !showHeader, [$style.scrollable]: scrollable, [$style.closed]: !showBody }]">
+<div ref="rootEl" class="_panel" :class="[$style.root, { [$style.naked]: naked, [$style.thin]: thin, [$style.scrollable]: scrollable }]">
 	<header v-if="showHeader" ref="headerEl" :class="$style.header">
 		<div :class="$style.title">
 			<span :class="$style.titleIcon"><slot name="icon"></slot></span>
diff --git a/packages/frontend/src/components/MkDateSeparatedList.vue b/packages/frontend/src/components/MkDateSeparatedList.vue
index d6303f9675..6942a0e6c3 100644
--- a/packages/frontend/src/components/MkDateSeparatedList.vue
+++ b/packages/frontend/src/components/MkDateSeparatedList.vue
@@ -36,7 +36,7 @@ export default defineComponent({
 	},
 
 	setup(props, { slots, expose }) {
-		const $style = useCssModule();
+		const $style = useCssModule(); // カスタムレンダラなので使っても大丈夫
 		function getDateText(time: string) {
 			const date = new Date(time).getDate();
 			const month = new Date(time).getMonth() + 1;
diff --git a/packages/frontend/src/components/MkDialog.vue b/packages/frontend/src/components/MkDialog.vue
index bd4da6c545..4d5df0bba4 100644
--- a/packages/frontend/src/components/MkDialog.vue
+++ b/packages/frontend/src/components/MkDialog.vue
@@ -4,7 +4,15 @@
 		<div v-if="icon" :class="$style.icon">
 			<i :class="icon"></i>
 		</div>
-		<div v-else-if="!input && !select" :class="[$style.icon, $style['type_' + type]]">
+		<div
+			v-else-if="!input && !select"
+			:class="[$style.icon, {
+				[$style.type_success]: type === 'success',
+				[$style.type_error]: type === 'error',
+				[$style.type_warning]: type === 'warning',
+				[$style.type_info]: type === 'info',
+			}]"
+		>
 			<i v-if="type === 'success'" :class="$style.iconInner" class="ti ti-check"></i>
 			<i v-else-if="type === 'error'" :class="$style.iconInner" class="ti ti-circle-x"></i>
 			<i v-else-if="type === 'warning'" :class="$style.iconInner" class="ti ti-alert-triangle"></i>
diff --git a/packages/frontend/src/components/MkFolder.vue b/packages/frontend/src/components/MkFolder.vue
index 526f5e94ea..70f0cc5cda 100644
--- a/packages/frontend/src/components/MkFolder.vue
+++ b/packages/frontend/src/components/MkFolder.vue
@@ -5,7 +5,7 @@
 			<div :class="[$style.header, { [$style.opened]: opened }]" class="_button" role="button" data-cy-folder-header @click="toggle">
 				<div :class="$style.headerIcon"><slot name="icon"></slot></div>
 				<div :class="$style.headerText">
-					<div :class="$style.headerTextMain">
+					<div>
 						<MkCondensedLine :minScale="2 / 3"><slot name="label"></slot></MkCondensedLine>
 					</div>
 					<div :class="$style.headerTextSub">
@@ -185,10 +185,6 @@ onMounted(() => {
 	padding-right: 12px;
 }
 
-.headerTextMain {
-
-}
-
 .headerTextSub {
 	color: var(--fgTransparentWeak);
 	font-size: .85em;
diff --git a/packages/frontend/src/components/MkImgWithBlurhash.vue b/packages/frontend/src/components/MkImgWithBlurhash.vue
index 38406cc0be..3750dacddc 100644
--- a/packages/frontend/src/components/MkImgWithBlurhash.vue
+++ b/packages/frontend/src/components/MkImgWithBlurhash.vue
@@ -3,7 +3,7 @@
 	<TransitionGroup
 		:duration="defaultStore.state.animation && props.transition?.duration || undefined"
 		:enterActiveClass="defaultStore.state.animation && props.transition?.enterActiveClass || undefined"
-		:leaveActiveClass="defaultStore.state.animation && (props.transition?.leaveActiveClass ?? $style['transition_leaveActive']) || undefined"
+		:leaveActiveClass="defaultStore.state.animation && (props.transition?.leaveActiveClass ?? $style.transition_leaveActive) || undefined"
 		:enterFromClass="defaultStore.state.animation && props.transition?.enterFromClass || undefined"
 		:leaveToClass="defaultStore.state.animation && props.transition?.leaveToClass || undefined"
 		:enterToClass="defaultStore.state.animation && props.transition?.enterToClass || undefined"
@@ -42,11 +42,10 @@ const workerPromise = new Promise<WorkerMultiDispatch | null>(resolve => {
 </script>
 
 <script lang="ts" setup>
-import { computed, nextTick, onMounted, onUnmounted, shallowRef, useCssModule, watch } from 'vue';
+import { computed, nextTick, onMounted, onUnmounted, shallowRef, watch } from 'vue';
 import { v4 as uuid } from 'uuid';
 import { render } from 'buraha';
 import { defaultStore } from '@/store';
-const $style = useCssModule();
 
 const props = withDefaults(defineProps<{
 	transition?: {
diff --git a/packages/frontend/src/components/MkMediaList.vue b/packages/frontend/src/components/MkMediaList.vue
index 0f41ef248f..a0a2450054 100644
--- a/packages/frontend/src/components/MkMediaList.vue
+++ b/packages/frontend/src/components/MkMediaList.vue
@@ -6,8 +6,11 @@
 			ref="gallery"
 			:class="[
 				$style.medias,
-				count <= 4 ? $style['n' + count] : $style.nMany,
-				$style[`n1${defaultStore.reactiveState.mediaListWithOneImageAppearance.value}`]
+				count === 1 ? [$style.n1, {
+					[$style.n116_9]: defaultStore.reactiveState.mediaListWithOneImageAppearance.value === '16_9',
+					[$style.n11_1]: defaultStore.reactiveState.mediaListWithOneImageAppearance.value === '1_1',
+					[$style.n12_3]: defaultStore.reactiveState.mediaListWithOneImageAppearance.value === '2_3',
+				}] : count === 2 ? $style.n2 : count === 3 ? $style.n3 : count === 4 ? $style.n4 : $style.nMany,
 			]"
 		>
 			<template v-for="media in mediaList.filter(media => previewable(media))">
@@ -20,7 +23,7 @@
 </template>
 
 <script lang="ts" setup>
-import { onMounted, ref, useCssModule, watch, shallowRef } from 'vue';
+import { onMounted, watch, shallowRef } from 'vue';
 import * as misskey from 'misskey-js';
 import PhotoSwipeLightbox from 'photoswipe/lightbox';
 import PhotoSwipe from 'photoswipe';
@@ -37,8 +40,6 @@ const props = defineProps<{
 	raw?: boolean;
 }>();
 
-const $style = useCssModule();
-
 const gallery = shallowRef<HTMLDivElement>();
 const pswpZIndex = os.claimZIndex('middle');
 document.documentElement.style.setProperty('--mk-pswp-root-z-index', pswpZIndex.toString());
@@ -96,7 +97,7 @@ onMounted(() => {
 				return item;
 			}),
 		gallery: gallery.value,
-		mainClass: $style.pswp,
+		mainClass: 'pswp',
 		children: '.image',
 		thumbSelector: '.image',
 		loop: false,
@@ -268,7 +269,7 @@ const previewable = (file: misskey.entities.DriveFile): boolean => {
 	border-radius: 8px;
 }
 
-.pswp {
+:global(.pswp) {
 	--pswp-root-z-index: var(--mk-pswp-root-z-index, 2000700) !important;
 	--pswp-bg: var(--modalBg) !important;
 }
diff --git a/packages/frontend/src/components/MkMention.vue b/packages/frontend/src/components/MkMention.vue
index 481c3710ca..bb256c394b 100644
--- a/packages/frontend/src/components/MkMention.vue
+++ b/packages/frontend/src/components/MkMention.vue
@@ -2,7 +2,7 @@
 <MkA v-user-preview="canonical" :class="[$style.root, { [$style.isMe]: isMe }]" :to="url" :style="{ background: bgCss }">
 	<img :class="$style.icon" :src="`/avatar/@${username}@${host}`" alt="">
 	<span>
-		<span :class="$style.username">@{{ username }}</span>
+		<span>@{{ username }}</span>
 		<span v-if="(host != localHost) || defaultStore.state.showFullAcct" :class="$style.host">@{{ toUnicode(host) }}</span>
 	</span>
 </MkA>
diff --git a/packages/frontend/src/components/MkMenu.vue b/packages/frontend/src/components/MkMenu.vue
index 2697e3e21a..7dd6a8c88f 100644
--- a/packages/frontend/src/components/MkMenu.vue
+++ b/packages/frontend/src/components/MkMenu.vue
@@ -49,7 +49,7 @@
 			<span>{{ i18n.ts.none }}</span>
 		</span>
 	</div>
-	<div v-if="childMenu" :class="$style.child">
+	<div v-if="childMenu">
 		<XChild ref="child" :items="childMenu" :targetElement="childTarget" :rootElement="itemsEl" showing @actioned="childActioned"/>
 	</div>
 </div>
diff --git a/packages/frontend/src/components/MkModal.vue b/packages/frontend/src/components/MkModal.vue
index b9ce6de697..bb5c6c7aab 100644
--- a/packages/frontend/src/components/MkModal.vue
+++ b/packages/frontend/src/components/MkModal.vue
@@ -1,10 +1,30 @@
 <template>
 <Transition
 	:name="transitionName"
-	:enterActiveClass="$style['transition_' + transitionName + '_enterActive']"
-	:leaveActiveClass="$style['transition_' + transitionName + '_leaveActive']"
-	:enterFromClass="$style['transition_' + transitionName + '_enterFrom']"
-	:leaveToClass="$style['transition_' + transitionName + '_leaveTo']"
+	:enterActiveClass="normalizeClass({
+		[$style.transition_modalDrawer_enterActive]: transitionName === 'modal-drawer',
+		[$style.transition_modalPopup_enterActive]: transitionName === 'modal-popup',
+		[$style.transition_modal_enterActive]: transitionName === 'modal',
+		[$style.transition_send_enterActive]: transitionName === 'send',
+	})"
+	:leaveActiveClass="normalizeClass({
+		[$style.transition_modalDrawer_leaveActive]: transitionName === 'modal-drawer',
+		[$style.transition_modalPopup_leaveActive]: transitionName === 'modal-popup',
+		[$style.transition_modal_leaveActive]: transitionName === 'modal',
+		[$style.transition_send_leaveActive]: transitionName === 'send',
+	})"
+	:enterFromClass="normalizeClass({
+		[$style.transition_modalDrawer_enterFrom]: transitionName === 'modal-drawer',
+		[$style.transition_modalPopup_enterFrom]: transitionName === 'modal-popup',
+		[$style.transition_modal_enterFrom]: transitionName === 'modal',
+		[$style.transition_send_enterFrom]: transitionName === 'send',
+	})"
+	:leaveToClass="normalizeClass({
+		[$style.transition_modalDrawer_leaveTo]: transitionName === 'modal-drawer',
+		[$style.transition_modalPopup_leaveTo]: transitionName === 'modal-popup',
+		[$style.transition_modal_leaveTo]: transitionName === 'modal',
+		[$style.transition_send_leaveTo]: transitionName === 'send',
+	})"
 	:duration="transitionDuration" appear @afterLeave="emit('closed')" @enter="emit('opening')" @afterEnter="onOpened"
 >
 	<div v-show="manualShowing != null ? manualShowing : showing" v-hotkey.global="keymap" :class="[$style.root, { [$style.drawer]: type === 'drawer', [$style.dialog]: type === 'dialog', [$style.popup]: type === 'popup' }]" :style="{ zIndex, pointerEvents: (manualShowing != null ? manualShowing : showing) ? 'auto' : 'none', '--transformOrigin': transformOrigin }">
@@ -17,7 +37,7 @@
 </template>
 
 <script lang="ts" setup>
-import { nextTick, onMounted, watch, provide, onUnmounted } from 'vue';
+import { nextTick, normalizeClass, onMounted, onUnmounted, provide, watch } from 'vue';
 import * as os from '@/os';
 import { isTouchUsing } from '@/scripts/touch';
 import { defaultStore } from '@/store';
@@ -345,8 +365,8 @@ defineExpose({
 	}
 }
 
-.transition_modal-popup_enterActive,
-.transition_modal-popup_leaveActive {
+.transition_modalPopup_enterActive,
+.transition_modalPopup_leaveActive {
 	> .bg {
 		transition: opacity 0.1s !important;
 	}
@@ -356,8 +376,8 @@ defineExpose({
 		transition: opacity 0.1s cubic-bezier(0, 0, 0.2, 1), transform 0.1s cubic-bezier(0, 0, 0.2, 1) !important;
 	}
 }
-.transition_modal-popup_enterFrom,
-.transition_modal-popup_leaveTo {
+.transition_modalPopup_enterFrom,
+.transition_modalPopup_leaveTo {
 	> .bg {
 		opacity: 0;
 	}
@@ -370,7 +390,7 @@ defineExpose({
 	}
 }
 
-.transition_modal-drawer_enterActive {
+.transition_modalDrawer_enterActive {
 	> .bg {
 		transition: opacity 0.2s !important;
 	}
@@ -379,7 +399,7 @@ defineExpose({
 		transition: transform 0.2s cubic-bezier(0,.5,0,1) !important;
 	}
 }
-.transition_modal-drawer_leaveActive {
+.transition_modalDrawer_leaveActive {
 	> .bg {
 		transition: opacity 0.2s !important;
 	}
@@ -388,8 +408,8 @@ defineExpose({
 		transition: transform 0.2s cubic-bezier(0,.5,0,1) !important;
 	}
 }
-.transition_modal-drawer_enterFrom,
-.transition_modal-drawer_leaveTo {
+.transition_modalDrawer_enterFrom,
+.transition_modalDrawer_leaveTo {
 	> .bg {
 		opacity: 0;
 	}
diff --git a/packages/frontend/src/components/MkNote.vue b/packages/frontend/src/components/MkNote.vue
index 30ec9123bb..2483204d4c 100644
--- a/packages/frontend/src/components/MkNote.vue
+++ b/packages/frontend/src/components/MkNote.vue
@@ -44,8 +44,8 @@
 		<div v-if="appearNote.channel" :class="$style.colorBar" :style="{ background: appearNote.channel.color }"></div>
 		<MkAvatar :class="$style.avatar" :user="appearNote.user" link preview/>
 		<div :class="$style.main">
-			<MkNoteHeader :class="$style.header" :note="appearNote" :mini="true"/>
-			<MkInstanceTicker v-if="showTicker" :class="$style.ticker" :instance="appearNote.user.instance"/>
+			<MkNoteHeader :note="appearNote" :mini="true"/>
+			<MkInstanceTicker v-if="showTicker" :instance="appearNote.user.instance"/>
 			<div style="container-type: inline-size;">
 				<p v-if="appearNote.cw != null" :class="$style.cw">
 					<Mfm v-if="appearNote.cw != ''" style="margin-right: 8px;" :text="appearNote.cw" :author="appearNote.user" :i="$i"/>
@@ -58,13 +58,13 @@
 						<Mfm v-if="appearNote.text" :text="appearNote.text" :author="appearNote.user" :i="$i" :emojiUrls="appearNote.emojis"/>
 						<div v-if="translating || translation" :class="$style.translation">
 							<MkLoading v-if="translating" mini/>
-							<div v-else :class="$style.translated">
+							<div v-else>
 								<b>{{ i18n.t('translatedFrom', { x: translation.sourceLang }) }}: </b>
 								<Mfm :text="translation.text" :author="appearNote.user" :i="$i" :emojiUrls="appearNote.emojis"/>
 							</div>
 						</div>
 					</div>
-					<div v-if="appearNote.files.length > 0" :class="$style.files">
+					<div v-if="appearNote.files.length > 0">
 						<MkMediaList :mediaList="appearNote.files"/>
 					</div>
 					<MkPoll v-if="appearNote.poll" :note="appearNote" :class="$style.poll"/>
diff --git a/packages/frontend/src/components/MkNoteDetailed.vue b/packages/frontend/src/components/MkNoteDetailed.vue
index 19aa73127b..a65039277b 100644
--- a/packages/frontend/src/components/MkNoteDetailed.vue
+++ b/packages/frontend/src/components/MkNoteDetailed.vue
@@ -52,7 +52,7 @@
 					</div>
 				</div>
 				<div :class="$style.noteHeaderUsername"><MkAcct :user="appearNote.user"/></div>
-				<MkInstanceTicker v-if="showTicker" :class="$style.ticker" :instance="appearNote.user.instance"/>
+				<MkInstanceTicker v-if="showTicker" :instance="appearNote.user.instance"/>
 			</div>
 		</header>
 		<div :class="$style.noteContent">
@@ -72,7 +72,7 @@
 						<Mfm :text="translation.text" :author="appearNote.user" :i="$i" :emojiUrls="appearNote.emojis"/>
 					</div>
 				</div>
-				<div v-if="appearNote.files.length > 0" :class="$style.files">
+				<div v-if="appearNote.files.length > 0">
 					<MkMediaList :mediaList="appearNote.files"/>
 				</div>
 				<MkPoll v-if="appearNote.poll" ref="pollViewer" :note="appearNote" :class="$style.poll"/>
diff --git a/packages/frontend/src/components/MkNotePreview.vue b/packages/frontend/src/components/MkNotePreview.vue
index 6b55c27869..6786f8b256 100644
--- a/packages/frontend/src/components/MkNotePreview.vue
+++ b/packages/frontend/src/components/MkNotePreview.vue
@@ -6,7 +6,7 @@
 			<MkUserName :user="$i" :nowrap="true"/>
 		</div>
 		<div>
-			<div :class="$style.content">
+			<div>
 				<Mfm :text="text.trim()" :author="$i" :i="$i"/>
 			</div>
 		</div>
diff --git a/packages/frontend/src/components/MkNotification.vue b/packages/frontend/src/components/MkNotification.vue
index b4c424e79e..d25332b10f 100644
--- a/packages/frontend/src/components/MkNotification.vue
+++ b/packages/frontend/src/components/MkNotification.vue
@@ -5,7 +5,19 @@
 		<MkAvatar v-else-if="notification.type === 'achievementEarned'" :class="$style.icon" :user="$i" link preview/>
 		<MkAvatar v-else-if="notification.user" :class="$style.icon" :user="notification.user" link preview/>
 		<img v-else-if="notification.icon" :class="$style.icon" :src="notification.icon" alt=""/>
-		<div :class="[$style.subIcon, $style['t_' + notification.type]]">
+		<div
+			:class="[$style.subIcon, {
+				[$style.t_follow]: notification.type === 'follow',
+				[$style.t_followRequestAccepted]: notification.type === 'followRequestAccepted',
+				[$style.t_receiveFollowRequest]: notification.type === 'receiveFollowRequest',
+				[$style.t_renote]: notification.type === 'renote',
+				[$style.t_reply]: notification.type === 'reply',
+				[$style.t_mention]: notification.type === 'mention',
+				[$style.t_quote]: notification.type === 'quote',
+				[$style.t_pollEnded]: notification.type === 'pollEnded',
+				[$style.t_achievementEarned]: notification.type === 'achievementEarned',
+			}]"
+		>
 			<i v-if="notification.type === 'follow'" class="ti ti-plus"></i>
 			<i v-else-if="notification.type === 'receiveFollowRequest'" class="ti ti-clock"></i>
 			<i v-else-if="notification.type === 'followRequestAccepted'" class="ti ti-check"></i>
@@ -34,7 +46,7 @@
 			<span v-else>{{ notification.header }}</span>
 			<MkTime v-if="withTime" :time="notification.createdAt" :class="$style.headerTime"/>
 		</header>
-		<div :class="$style.content">
+		<div>
 			<MkA v-if="notification.type === 'reaction'" :class="$style.text" :to="notePage(notification.note)" :title="getNoteSummary(notification.note)">
 				<i class="ti ti-quote" :class="$style.quote"></i>
 				<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="true" :author="notification.note.user"/>
@@ -243,9 +255,6 @@ useTooltip(reactionRef, (showing) => {
 	font-size: 0.9em;
 }
 
-.content {
-}
-
 .text {
 	display: flex;
 	width: 100%;
diff --git a/packages/frontend/src/components/MkPoll.vue b/packages/frontend/src/components/MkPoll.vue
index e2ca5603e3..464e340116 100644
--- a/packages/frontend/src/components/MkPoll.vue
+++ b/packages/frontend/src/components/MkPoll.vue
@@ -1,7 +1,7 @@
 <template>
 <div :class="{ [$style.done]: closed || isVoted }">
 	<ul :class="$style.choices">
-		<li v-for="(choice, i) in note.poll.choices" :key="i" :class="[$style.choice, { [$style.voted]: choice.voted }]" @click="vote(i)">
+		<li v-for="(choice, i) in note.poll.choices" :key="i" :class="$style.choice" @click="vote(i)">
 			<div :class="$style.bg" :style="{ 'width': `${showResult ? (choice.votes / total * 100) : 0}%` }"></div>
 			<span :class="$style.fg">
 				<template v-if="choice.isVoted"><i class="ti ti-check" style="margin-right: 4px; color: var(--accent);"></i></template>
diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index 731d171178..5c65569683 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -27,16 +27,16 @@
 					<span :class="$style.headerRightButtonText">{{ channel.name }}</span>
 				</button>
 			</template>
-			<button v-click-anime v-tooltip="i18n.ts._visibility.disableFederation" class="_button" :class="[$style.headerRightItem, $style.localOnly, { [$style.danger]: localOnly }]" :disabled="channel != null || visibility === 'specified'" @click="toggleLocalOnly">
+			<button v-click-anime v-tooltip="i18n.ts._visibility.disableFederation" class="_button" :class="[$style.headerRightItem, { [$style.danger]: localOnly }]" :disabled="channel != null || visibility === 'specified'" @click="toggleLocalOnly">
 				<span v-if="!localOnly"><i class="ti ti-rocket"></i></span>
 				<span v-else><i class="ti ti-rocket-off"></i></span>
 			</button>
-			<button v-click-anime v-tooltip="i18n.ts.reactionAcceptance" class="_button" :class="[$style.headerRightItem, $style.reactionAcceptance, { [$style.danger]: reactionAcceptance === 'likeOnly' }]" @click="toggleReactionAcceptance">
+			<button v-click-anime v-tooltip="i18n.ts.reactionAcceptance" class="_button" :class="[$style.headerRightItem, { [$style.danger]: reactionAcceptance === 'likeOnly' }]" @click="toggleReactionAcceptance">
 				<span v-if="reactionAcceptance === 'likeOnly'"><i class="ti ti-heart"></i></span>
 				<span v-else-if="reactionAcceptance === 'likeOnlyForRemote'"><i class="ti ti-heart-plus"></i></span>
 				<span v-else><i class="ti ti-icons"></i></span>
 			</button>
-			<button v-click-anime class="_button" :class="[$style.submit, { [$style.submitPosting]: posting }]" :disabled="!canPost" data-cy-open-post-form-submit @click="post">
+			<button v-click-anime class="_button" :class="$style.submit" :disabled="!canPost" data-cy-open-post-form-submit @click="post">
 				<div :class="$style.submitInner">
 					<template v-if="posted"></template>
 					<template v-else-if="posting"><MkEllipsis/></template>
@@ -66,7 +66,7 @@
 		<div v-if="maxTextLength - textLength < 100" :class="['_acrylic', $style.textCount, { [$style.textOver]: textLength > maxTextLength }]">{{ maxTextLength - textLength }}</div>
 	</div>
 	<input v-show="withHashtags" ref="hashtagsInputEl" v-model="hashtags" :class="$style.hashtags" :placeholder="i18n.ts.hashtags" list="hashtags">
-	<XPostFormAttaches v-model="files" :class="$style.attaches" @detach="detachFile" @changeSensitive="updateFileSensitive" @changeName="updateFileName"/>
+	<XPostFormAttaches v-model="files" @detach="detachFile" @changeSensitive="updateFileSensitive" @changeName="updateFileName"/>
 	<MkPollEditor v-if="poll" v-model="poll" @destroyed="poll = null"/>
 	<MkNotePreview v-if="showPreview" :class="$style.preview" :text="text"/>
 	<div v-if="showingOptions" style="padding: 8px 16px;">
diff --git a/packages/frontend/src/components/MkSubNoteContent.vue b/packages/frontend/src/components/MkSubNoteContent.vue
index 5f32391c7e..3a050889c8 100644
--- a/packages/frontend/src/components/MkSubNoteContent.vue
+++ b/packages/frontend/src/components/MkSubNoteContent.vue
@@ -1,6 +1,6 @@
 <template>
 <div :class="[$style.root, { [$style.collapsed]: collapsed }]">
-	<div :class="$style.body">
+	<div>
 		<span v-if="note.isHidden" style="opacity: 0.5">({{ i18n.ts.private }})</span>
 		<span v-if="note.deletedAt" style="opacity: 0.5">({{ i18n.ts.deleted }})</span>
 		<MkA v-if="note.replyId" :class="$style.reply" :to="`/notes/${note.replyId}`"><i class="ti ti-arrow-back-up"></i></MkA>
@@ -76,10 +76,6 @@ const collapsed = $ref(
 	}
 }
 
-.body {
-
-}
-
 .reply {
 	margin-right: 6px;
 	color: var(--accent);
diff --git a/packages/frontend/src/components/MkTextarea.vue b/packages/frontend/src/components/MkTextarea.vue
index f5e6c71b75..83b2ed2444 100644
--- a/packages/frontend/src/components/MkTextarea.vue
+++ b/packages/frontend/src/components/MkTextarea.vue
@@ -6,7 +6,7 @@
 			ref="inputEl"
 			v-model="v"
 			v-adaptive-border
-			:class="[$style.textarea, { [$style.code]: code, _monospace: code }]"
+			:class="[$style.textarea, { _monospace: code }]"
 			:disabled="disabled"
 			:required="required"
 			:readonly="readonly"
diff --git a/packages/frontend/src/components/MkUrlPreview.vue b/packages/frontend/src/components/MkUrlPreview.vue
index 23be814322..fcad5b8064 100644
--- a/packages/frontend/src/components/MkUrlPreview.vue
+++ b/packages/frontend/src/components/MkUrlPreview.vue
@@ -22,7 +22,7 @@
 	</div>
 </template>
 <template v-else-if="tweetId && tweetExpanded">
-	<div ref="twitter" :class="$style.twitter">
+	<div ref="twitter">
 		<iframe ref="tweet" scrolling="no" frameborder="no" :style="{ position: 'relative', width: '100%', height: `${tweetHeight}px` }" :src="`https://platform.twitter.com/embed/index.html?embedId=${embedId}&amp;hideCard=false&amp;hideThread=false&amp;lang=en&amp;theme=${defaultStore.state.darkMode ? 'dark' : 'light'}&amp;id=${tweetId}`"></iframe>
 	</div>
 	<div :class="$style.action">
@@ -31,7 +31,7 @@
 		</MkButton>
 	</div>
 </template>
-<div v-else :class="$style.urlPreview">
+<div v-else>
 	<component :is="self ? 'MkA' : 'a'" :class="[$style.link, { [$style.compact]: compact }]" :[attr]="self ? url.substr(local.length) : url" rel="nofollow noopener" :target="target" :title="url">
 		<div v-if="thumbnail" :class="$style.thumbnail" :style="`background-image: url('${thumbnail}')`">
 		</div>
@@ -210,13 +210,6 @@ onUnmounted(() => {
 	width: 100%;
 }
 
-.twitter {
-
-}
-
-.urlPreview {
-}
-
 .link {
 	position: relative;
 	display: block;
diff --git a/packages/frontend/src/components/MkUserOnlineIndicator.vue b/packages/frontend/src/components/MkUserOnlineIndicator.vue
index 251ab5d79a..a2c2b53b08 100644
--- a/packages/frontend/src/components/MkUserOnlineIndicator.vue
+++ b/packages/frontend/src/components/MkUserOnlineIndicator.vue
@@ -1,5 +1,13 @@
 <template>
-<div v-tooltip="text" :class="[$style.root, $style['status_' + user.onlineStatus]]"></div>
+<div
+	v-tooltip="text"
+	:class="[$style.root, {
+		[$style.status_online]: user.onlineStatus === 'online',
+		[$style.status_active]: user.onlineStatus === 'active',
+		[$style.status_offline]: user.onlineStatus === 'offline',
+		[$style.status_unknown]: user.onlineStatus === 'unknown',
+	}]"
+></div>
 </template>
 
 <script lang="ts" setup>
diff --git a/packages/frontend/src/components/MkUserSelectDialog.vue b/packages/frontend/src/components/MkUserSelectDialog.vue
index 9ba5d9fc53..792ff7afd7 100644
--- a/packages/frontend/src/components/MkUserSelectDialog.vue
+++ b/packages/frontend/src/components/MkUserSelectDialog.vue
@@ -9,7 +9,7 @@
 	@closed="$emit('closed')"
 >
 	<template #header>{{ i18n.ts.selectUser }}</template>
-	<div :class="$style.root">
+	<div>
 		<div :class="$style.form">
 			<FormSplit :minWidth="170">
 				<MkInput v-model="username" :autofocus="true" @update:modelValue="search">
@@ -126,8 +126,6 @@ onMounted(() => {
 </script>
 
 <style lang="scss" module>
-.root {
-}
 
 .form {
 	padding: 0 var(--root-margin);
diff --git a/packages/frontend/src/components/MkUsersTooltip.vue b/packages/frontend/src/components/MkUsersTooltip.vue
index bed725cd1d..0b80c2edc7 100644
--- a/packages/frontend/src/components/MkUsersTooltip.vue
+++ b/packages/frontend/src/components/MkUsersTooltip.vue
@@ -3,9 +3,9 @@
 	<div :class="$style.root">
 		<div v-for="u in users" :key="u.id" :class="$style.user">
 			<MkAvatar :class="$style.avatar" :user="u"/>
-			<MkUserName :class="$style.name" :user="u" :nowrap="true"/>
+			<MkUserName :user="u" :nowrap="true"/>
 		</div>
-		<div v-if="users.length < count" :class="$style.omitted">+{{ count - users.length }}</div>
+		<div v-if="users.length < count">+{{ count - users.length }}</div>
 	</div>
 </MkTooltip>
 </template>
@@ -43,14 +43,6 @@ const emit = defineEmits<{
 	}
 }
 
-.name {
-
-}
-
-.omitted {
-	
-}
-
 .avatar {
 	width: 24px;
 	height: 24px;
diff --git a/packages/frontend/src/components/MkVisitorDashboard.vue b/packages/frontend/src/components/MkVisitorDashboard.vue
index 6226768127..9566cc651f 100644
--- a/packages/frontend/src/components/MkVisitorDashboard.vue
+++ b/packages/frontend/src/components/MkVisitorDashboard.vue
@@ -39,7 +39,7 @@
 			<MkTimeline src="local"/>
 		</div>
 	</div>
-	<div :class="[$style.activeUsersChart, $style.panel]">
+	<div :class="$style.panel">
 		<XActiveUsersChart/>
 	</div>
 </div>
@@ -220,8 +220,4 @@ function exploreOtherServers() {
 	height: 350px;
 	overflow: auto;
 }
-
-.activeUsersChart {
-
-}
 </style>
diff --git a/packages/frontend/src/components/MkWidgets.vue b/packages/frontend/src/components/MkWidgets.vue
index 9fd1d61632..30547c7444 100644
--- a/packages/frontend/src/components/MkWidgets.vue
+++ b/packages/frontend/src/components/MkWidgets.vue
@@ -1,7 +1,7 @@
 <template>
 <div :class="$style.root">
 	<template v-if="edit">
-		<header :class="$style['edit-header']">
+		<header :class="$style.editHeader">
 			<MkSelect v-model="widgetAdderSelected" style="margin-bottom: var(--margin)" data-cy-widget-select>
 				<template #label>{{ i18n.ts.selectWidget }}</template>
 				<option v-for="widget in widgetDefs" :key="widget" :value="widget">{{ i18n.t(`_widgets.${widget}`) }}</option>
@@ -15,15 +15,15 @@
 			handle=".handle"
 			:animation="150"
 			:group="{ name: 'SortableMkWidgets' }"
-			:class="$style['edit-editing']"
+			:class="$style.editEditing"
 			@update:modelValue="v => emit('updateWidgets', v)"
 		>
 			<template #item="{element}">
-				<div :class="[$style.widget, $style['customize-container']]" data-cy-customize-container>
-					<button :class="$style['customize-container-config']" class="_button" @click.prevent.stop="configWidget(element.id)"><i class="ti ti-settings"></i></button>
-					<button :class="$style['customize-container-remove']" data-cy-customize-container-remove class="_button" @click.prevent.stop="removeWidget(element)"><i class="ti ti-x"></i></button>
+				<div :class="[$style.widget, $style.customizeContainer]" data-cy-customize-container>
+					<button :class="$style.customizeContainerConfig" class="_button" @click.prevent.stop="configWidget(element.id)"><i class="ti ti-settings"></i></button>
+					<button :class="$style.customizeContainerRemove" data-cy-customize-container-remove class="_button" @click.prevent.stop="removeWidget(element)"><i class="ti ti-x"></i></button>
 					<div class="handle">
-						<component :is="`widget-${element.name}`" :ref="el => widgetRefs[element.id] = el" class="widget" :class="$style['customize-container-handle-widget']" :widget="element" @updateProps="updateWidget(element.id, $event)"/>
+						<component :is="`widget-${element.name}`" :ref="el => widgetRefs[element.id] = el" class="widget" :class="$style.customizeContainerHandleWidget" :widget="element" @updateProps="updateWidget(element.id, $event)"/>
 					</div>
 				</div>
 			</template>
@@ -130,7 +130,7 @@ function onContextmenu(widget: Widget, ev: MouseEvent) {
 }
 
 .edit {
-	&-header {
+	&Header {
 		margin: 16px 0;
 
 		> * {
@@ -139,17 +139,17 @@ function onContextmenu(widget: Widget, ev: MouseEvent) {
 		}
 	}
 
-	&-editing {
+	&Editing {
 		min-height: 100px;
 	}
 }
 
-.customize-container {
+.customizeContainer {
 	position: relative;
 	cursor: move;
 
-	&-config,
-	&-remove {
+	&Config,
+	&Remove {
 		position: absolute;
 		z-index: 10000;
 		top: 8px;
@@ -160,17 +160,17 @@ function onContextmenu(widget: Widget, ev: MouseEvent) {
 		border-radius: 4px;
 	}
 
-	&-config {
+	&Config {
 		right: 8px + 8px + 32px;
 	}
 
-	&-remove {
+	&Remove {
 		right: 8px;
 	}
 
-	&-handle {
+	&Handle {
 
-		&-widget {
+		&Widget {
 			pointer-events: none;
 		}
 	}
diff --git a/packages/frontend/src/components/form/link.vue b/packages/frontend/src/components/form/link.vue
index e6da039ac5..22b5edc3c9 100644
--- a/packages/frontend/src/components/form/link.vue
+++ b/packages/frontend/src/components/form/link.vue
@@ -5,7 +5,7 @@
 		<span :class="$style.text"><slot></slot></span>
 		<span :class="$style.suffix">
 			<span :class="$style.suffixText"><slot name="suffix"></slot></span>
-			<i class="ti ti-external-link" :class="$style.suffixIcon"></i>
+			<i class="ti ti-external-link"></i>
 		</span>
 	</a>
 	<MkA v-else :class="[$style.main, { [$style.active]: active }]" class="_button" :to="to" :behavior="behavior">
@@ -13,7 +13,7 @@
 		<span :class="$style.text"><slot></slot></span>
 		<span :class="$style.suffix">
 			<span :class="$style.suffixText"><slot name="suffix"></slot></span>
-			<i class="ti ti-chevron-right" :class="$style.suffixIcon"></i>
+			<i class="ti ti-chevron-right"></i>
 		</span>
 	</MkA>
 </div>
diff --git a/packages/frontend/src/components/form/slot.vue b/packages/frontend/src/components/form/slot.vue
index 792f664ea0..809d80620f 100644
--- a/packages/frontend/src/components/form/slot.vue
+++ b/packages/frontend/src/components/form/slot.vue
@@ -1,7 +1,7 @@
 <template>
 <div>
 	<div :class="$style.label" @click="focus"><slot name="label"></slot></div>
-	<div :class="$style.content">
+	<div>
 		<slot></slot>
 	</div>
 	<div :class="$style.caption"><slot name="caption"></slot></div>
diff --git a/packages/frontend/src/components/global/MkAd.vue b/packages/frontend/src/components/global/MkAd.vue
index aa975600f0..8b25ab1b6a 100644
--- a/packages/frontend/src/components/global/MkAd.vue
+++ b/packages/frontend/src/components/global/MkAd.vue
@@ -1,6 +1,14 @@
 <template>
 <div v-if="chosen && !shouldHide" :class="$style.root">
-	<div v-if="!showMenu" :class="[$style.main, $style['form_' + chosen.place]]">
+	<div
+		v-if="!showMenu"
+		:class="[$style.main, {
+			[$style.form_square]: chosen.place === 'square',
+			[$style.form_horizontal]: chosen.place === 'horizontal',
+			[$style.form_horizontalBig]: chosen.place === 'horizontal-big',
+			[$style.form_vertical]: chosen.place === 'vertical',
+		}]"
+	>
 		<a :href="chosen.url" target="_blank" :class="$style.link">
 			<img :src="chosen.imageUrl" :class="$style.img">
 			<button class="_button" :class="$style.i" @click.prevent.stop="toggleMenu"><i :class="$style.iIcon" class="ti ti-info-circle"></i></button>
@@ -122,7 +130,7 @@ function reduceFrequency(): void {
 		}
 	}
 
-	&.form_horizontal-big {
+	&.form_horizontalBig {
 		padding: 8px;
 
 		> .link,
diff --git a/packages/frontend/src/components/global/MkUrl.vue b/packages/frontend/src/components/global/MkUrl.vue
index 2a92780306..c1efd9a06b 100644
--- a/packages/frontend/src/components/global/MkUrl.vue
+++ b/packages/frontend/src/components/global/MkUrl.vue
@@ -6,7 +6,7 @@
 	<template v-if="!self">
 		<span :class="$style.schema">{{ schema }}//</span>
 		<span :class="$style.hostname">{{ hostname }}</span>
-		<span v-if="port != ''" :class="$style.port">:{{ port }}</span>
+		<span v-if="port != ''">:{{ port }}</span>
 	</template>
 	<template v-if="pathname === '/' && self">
 		<span :class="$style.self">{{ hostname }}</span>
diff --git a/packages/frontend/src/components/page/page.section.vue b/packages/frontend/src/components/page/page.section.vue
index 9f79ecc833..83a16ae0a5 100644
--- a/packages/frontend/src/components/page/page.section.vue
+++ b/packages/frontend/src/components/page/page.section.vue
@@ -1,6 +1,15 @@
 <template>
 <section>
-	<component :is="'h' + h" :class="h < 5 ? $style['h' + h] : null">{{ block.title }}</component>
+	<component
+		:is="'h' + h"
+		:class="{
+			'h2': h === 2,
+			'h3': h === 3,
+			'h4': h === 4,
+		}"
+	>
+		{{ block.title }}
+	</component>
 
 	<div class="_gaps">
 		<XBlock v-for="child in block.children" :key="child.id" :page="page" :block="child" :h="h + 1"/>