diff --git a/packages/frontend/src/components/MkSwitch.vue b/packages/frontend/src/components/MkSwitch.vue
index d9f6716f92..63738b6a44 100644
--- a/packages/frontend/src/components/MkSwitch.vue
+++ b/packages/frontend/src/components/MkSwitch.vue
@@ -1,21 +1,19 @@
 <template>
-<div
-	class="ziffeomt"
-	:class="{ disabled, checked }"
->
+<div :class="[$style.root, { [$style.disabled]: disabled, [$style.checked]: checked }]">
 	<input
 		ref="input"
 		type="checkbox"
 		:disabled="disabled"
+		:class="$style.input"
 		@keydown.enter="toggle"
 	>
-	<span ref="button" v-tooltip="checked ? i18n.ts.itsOn : i18n.ts.itsOff" class="button" data-cy-switch-toggle @click.prevent="toggle">
-		<div class="knob"></div>
+	<span ref="button" v-tooltip="checked ? i18n.ts.itsOn : i18n.ts.itsOff" :class="$style.button" data-cy-switch-toggle @click.prevent="toggle">
+		<div :class="$style.knob"></div>
 	</span>
-	<span class="label">
+	<span :class="$style.body">
 		<!-- TODO: 無名slotの方は廃止 -->
-		<span @click="toggle"><slot name="label"></slot><slot></slot></span>
-		<p class="caption"><slot name="caption"></slot></p>
+		<span :class="$style.label" @click="toggle"><slot name="label"></slot><slot></slot></span>
+		<p :class="$style.caption"><slot name="caption"></slot></p>
 	</span>
 </div>
 </template>
@@ -45,52 +43,12 @@ const toggle = () => {
 };
 </script>
 
-<style lang="scss" scoped>
-.ziffeomt {
+<style lang="scss" module>
+.root {
 	position: relative;
 	display: flex;
 	transition: all 0.2s ease;
-
-	> * {
-		user-select: none;
-	}
-
-	> input {
-		position: absolute;
-		width: 0;
-		height: 0;
-		opacity: 0;
-		margin: 0;
-	}
-
-	> .button {
-		position: relative;
-		display: inline-flex;
-		flex-shrink: 0;
-		margin: 0;
-		box-sizing: border-box;
-		width: 32px;
-		height: 23px;
-		outline: none;
-		background: var(--switchOffBg);
-		background-clip: content-box;
-		border: solid 1px var(--switchOffBg);
-		border-radius: 999px;
-		cursor: pointer;
-		transition: inherit;
-		user-select: none;
-
-		> .knob {
-			position: absolute;
-			top: 3px;
-			left: 3px;
-			width: 15px;
-			height: 15px;
-			background: var(--switchOffFg);
-			border-radius: 999px;
-			transition: all 0.2s ease;
-		}
-	}
+	user-select: none;
 
 	&:hover {
 		> .button {
@@ -98,31 +56,6 @@ const toggle = () => {
 		}
 	}
 
-	> .label {
-		margin-left: 12px;
-		margin-top: 2px;
-		display: block;
-		transition: inherit;
-		color: var(--fg);
-
-		> span {
-			display: block;
-			line-height: 20px;
-			cursor: pointer;
-			transition: inherit;
-		}
-
-		> .caption {
-			margin: 8px 0 0 0;
-			color: var(--fgTransparentWeak);
-			font-size: 0.85em;
-
-			&:empty {
-				display: none;
-			}
-		}
-	}
-
 	&.disabled {
 		opacity: 0.6;
 		cursor: not-allowed;
@@ -140,4 +73,66 @@ const toggle = () => {
 		}
 	}
 }
+
+.input {
+	position: absolute;
+	width: 0;
+	height: 0;
+	opacity: 0;
+	margin: 0;
+}
+
+.button {
+	position: relative;
+	display: inline-flex;
+	flex-shrink: 0;
+	margin: 0;
+	box-sizing: border-box;
+	width: 32px;
+	height: 23px;
+	outline: none;
+	background: var(--switchOffBg);
+	background-clip: content-box;
+	border: solid 1px var(--switchOffBg);
+	border-radius: 999px;
+	cursor: pointer;
+	transition: inherit;
+	user-select: none;
+}
+
+.knob {
+	position: absolute;
+	top: 3px;
+	left: 3px;
+	width: 15px;
+	height: 15px;
+	background: var(--switchOffFg);
+	border-radius: 999px;
+	transition: all 0.2s ease;
+}
+
+.body {
+	margin-left: 12px;
+	margin-top: 2px;
+	display: block;
+	transition: inherit;
+	color: var(--fg);
+}
+
+.label {
+	display: block;
+	line-height: 20px;
+	cursor: pointer;
+	transition: inherit;
+}
+
+.caption {
+	margin: 8px 0 0 0;
+	color: var(--fgTransparentWeak);
+	font-size: 0.85em;
+
+	&:empty {
+		display: none;
+	}
+}
 </style>