diff --git a/packages/frontend/src/components/MkColorInput.vue b/packages/frontend/src/components/MkColorInput.vue
index 118aeeeb37..536ed934ff 100644
--- a/packages/frontend/src/components/MkColorInput.vue
+++ b/packages/frontend/src/components/MkColorInput.vue
@@ -11,6 +11,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			ref="inputEl"
 			v-model="v"
 			v-adaptive-border
+			class="mk-input-color"
 			:class="$style.inputCore"
 			type="color"
 			:disabled="disabled"
diff --git a/packages/frontend/src/components/MkDrive.vue b/packages/frontend/src/components/MkDrive.vue
index 083d1b58fd..d795466482 100644
--- a/packages/frontend/src/components/MkDrive.vue
+++ b/packages/frontend/src/components/MkDrive.vue
@@ -90,7 +90,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<MkLoading v-if="fetching"/>
 	</div>
 	<div v-if="draghover" :class="$style.dropzone"></div>
-	<input ref="fileInput" style="display: none;" type="file" accept="*/*" multiple tabindex="-1" @change="onChangeFileInput"/>
+	<input ref="fileInput" style="display: none;" class="mk-input-file" type="file" accept="*/*" multiple tabindex="-1" @change="onChangeFileInput"/>
 </div>
 </template>
 
diff --git a/packages/frontend/src/components/MkEmojiPicker.vue b/packages/frontend/src/components/MkEmojiPicker.vue
index dd6be332e9..e0f3832f11 100644
--- a/packages/frontend/src/components/MkEmojiPicker.vue
+++ b/packages/frontend/src/components/MkEmojiPicker.vue
@@ -5,7 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <div class="omfetrab" :class="['s' + size, 'w' + width, 'h' + height, { asDrawer, asWindow }]" :style="{ maxHeight: maxHeight ? maxHeight + 'px' : undefined }">
-	<input ref="searchEl" :value="q" class="search" data-prevent-emoji-insert :class="{ filled: q != null && q != '' }" :placeholder="i18n.ts.search" type="search" autocapitalize="off" @input="input()" @paste.stop="paste" @keydown.stop.prevent.enter="onEnter">
+	<input ref="searchEl" :value="q" class="mk-input-search search" data-prevent-emoji-insert :class="{ filled: q != null && q != '' }" :placeholder="i18n.ts.search" type="search" autocapitalize="off" @input="input()" @paste.stop="paste" @keydown.stop.prevent.enter="onEnter">
 	<!-- FirefoxのTabフォーカスが想定外の挙動となるためtabindex="-1"を追加 https://github.com/misskey-dev/misskey/issues/10744 -->
 	<div ref="emojisEl" class="emojis" tabindex="-1">
 		<section class="result">
diff --git a/packages/frontend/src/components/MkGoogle.vue b/packages/frontend/src/components/MkGoogle.vue
index fb142b31b5..f3d839b444 100644
--- a/packages/frontend/src/components/MkGoogle.vue
+++ b/packages/frontend/src/components/MkGoogle.vue
@@ -5,7 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <div :class="$style.root">
-	<input v-model="query" :class="$style.input" type="search" :placeholder="q">
+	<input v-model="query" class="mk-input-search" :class="$style.input" type="search" :placeholder="q">
 	<button :class="$style.button" @click="search"><i class="ti ti-search"></i> {{ i18n.ts.searchByGoogle }}</button>
 </div>
 </template>
diff --git a/packages/frontend/src/components/MkInput.vue b/packages/frontend/src/components/MkInput.vue
index dce7c35773..7f44c7a85a 100644
--- a/packages/frontend/src/components/MkInput.vue
+++ b/packages/frontend/src/components/MkInput.vue
@@ -12,7 +12,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			ref="inputEl"
 			v-model="v"
 			v-adaptive-border
-			:class="[$style.inputCore, { _monospace: code }]"
+			:class="[`mk-input-${type}`, $style.inputCore, { _monospace: code }]"
 			:type="type"
 			:disabled="disabled"
 			:required="required"
diff --git a/packages/frontend/src/components/MkMediaList.vue b/packages/frontend/src/components/MkMediaList.vue
index 61a73062d6..e5cbab2e8f 100644
--- a/packages/frontend/src/components/MkMediaList.vue
+++ b/packages/frontend/src/components/MkMediaList.vue
@@ -159,15 +159,15 @@ onMounted(() => {
 	lightbox.on('uiRegister', () => {
 		lightbox?.pswp?.ui?.registerElement({
 			name: 'altText',
-			className: 'pwsp__alt-text-container',
+			className: 'pswp__alt-text-container',
 			appendTo: 'wrapper',
-			onInit: (el, pwsp) => {
+			onInit: (el, pswp) => {
 				let textBox = document.createElement('p');
-				textBox.className = 'pwsp__alt-text _acrylic';
+				textBox.className = 'pswp__alt-text _acrylic';
 				el.appendChild(textBox);
 
-				pwsp.on('change', () => {
-					textBox.textContent = pwsp.currSlide?.data.comment;
+				pswp.on('change', () => {
+					textBox.textContent = pswp.currSlide?.data.comment;
 				});
 			},
 		});
@@ -298,7 +298,7 @@ const previewable = (file: Misskey.entities.DriveFile): boolean => {
 	backdrop-filter: var(--modalBgFilter);
 }
 
-.pwsp__alt-text-container {
+.pswp__alt-text-container {
 	display: flex;
 	flex-direction: row;
 	align-items: center;
@@ -312,7 +312,7 @@ const previewable = (file: Misskey.entities.DriveFile): boolean => {
 	max-width: 800px;
 }
 
-.pwsp__alt-text {
+.pswp__alt-text {
 	color: var(--fg);
 	margin: 0 auto;
 	text-align: center;
diff --git a/packages/frontend/src/components/MkMediaRange.vue b/packages/frontend/src/components/MkMediaRange.vue
index a150ae9843..8741d22874 100644
--- a/packages/frontend/src/components/MkMediaRange.vue
+++ b/packages/frontend/src/components/MkMediaRange.vue
@@ -8,7 +8,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <div :style="sliderBgWhite ? '--sliderBg: rgba(255,255,255,.25);' : '--sliderBg: var(--scrollbarHandle);'">
 	<div :class="$style.controlsSeekbar">
 		<progress v-if="buffer !== undefined" :class="$style.buffer" :value="isNaN(buffer) ? 0 : buffer" min="0" max="1">{{ Math.round(buffer * 100) }}% buffered</progress>
-		<input v-model="model" :class="$style.seek" :style="`--value: ${modelValue * 100}%;`" type="range" min="0" max="1" step="any" @change="emit('dragEnded', modelValue)"/>
+		<input v-model="model" class="mk-input-range" :class="$style.seek" :style="`--value: ${modelValue * 100}%;`" type="range" min="0" max="1" step="any" @change="emit('dragEnded', modelValue)"/>
 	</div>
 </div>
 </template>
diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index a76408189a..e8e59afd85 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -65,13 +65,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 		</div>
 	</div>
 	<MkInfo v-if="hasNotSpecifiedMentions" warn :class="$style.hasNotSpecifiedMentions">{{ i18n.ts.notSpecifiedMentionWarning }} - <button class="_textButton" @click="addMissingMention()">{{ i18n.ts.add }}</button></MkInfo>
-	<input v-show="useCw" ref="cwInputEl" v-model="cw" :class="$style.cw" :placeholder="i18n.ts.annotation" @keydown="onKeydown">
+	<input v-show="useCw" ref="cwInputEl" v-model="cw" class="mk-input-text" :class="$style.cw" :placeholder="i18n.ts.annotation" @keydown="onKeydown">
 	<div :class="[$style.textOuter, { [$style.withCw]: useCw }]">
 		<div v-if="channel" :class="$style.colorBar" :style="{ background: channel.color }"></div>
 		<textarea ref="textareaEl" v-model="text" :class="[$style.text]" :disabled="posting || posted" :readonly="textAreaReadOnly" :placeholder="placeholder" data-cy-post-form-text @keydown="onKeydown" @paste="onPaste" @compositionupdate="onCompositionUpdate" @compositionend="onCompositionEnd"/>
 		<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="$style.hashtags" :placeholder="i18n.ts.hashtags" list="hashtags">
+	<input v-show="withHashtags" ref="hashtagsInputEl" v-model="hashtags" class="mk-input-text" :class="$style.hashtags" :placeholder="i18n.ts.hashtags" list="hashtags">
 	<MkInfo v-if="files.length > 0" warn :class="$style.guidelineInfo" :rounded="false"><Mfm :text="i18n.tsx._postForm.guidelineInfo({ tosUrl: instance.tosUrl, nsfwGuideUrl })"/></MkInfo>
 	<XPostFormAttaches v-model="files" @detach="detachFile" @changeSensitive="updateFileSensitive" @changeName="updateFileName" @replaceFile="replaceFile"/>
 	<MkPollEditor v-if="poll" v-model="poll" @destroyed="poll = null"/>
diff --git a/packages/frontend/src/components/MkRadio.vue b/packages/frontend/src/components/MkRadio.vue
index 2d68557aad..5641a21fb3 100644
--- a/packages/frontend/src/components/MkRadio.vue
+++ b/packages/frontend/src/components/MkRadio.vue
@@ -14,6 +14,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<input
 		type="radio"
 		:disabled="disabled"
+		class="mk-input-radio"
 		:class="$style.input"
 	>
 	<span :class="$style.button">
diff --git a/packages/frontend/src/components/MkSwitch.vue b/packages/frontend/src/components/MkSwitch.vue
index 2e2c0e15a2..f887be8302 100644
--- a/packages/frontend/src/components/MkSwitch.vue
+++ b/packages/frontend/src/components/MkSwitch.vue
@@ -7,6 +7,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <div :class="[$style.root, { [$style.disabled]: disabled }]">
 	<input
 		ref="input"
+		class="mk-input-checkbox"
 		type="checkbox"
 		:disabled="disabled"
 		:class="$style.input"
diff --git a/packages/frontend/src/pages/admin/ads.vue b/packages/frontend/src/pages/admin/ads.vue
index 5be9a09c2b..0c554b620c 100644
--- a/packages/frontend/src/pages/admin/ads.vue
+++ b/packages/frontend/src/pages/admin/ads.vue
@@ -56,7 +56,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						{{ i18n.ts._ad.timezoneinfo }}
 						<div v-for="(day, index) in daysOfWeek" :key="index">
 							<input
-								:id="`ad${ad.id}-${index}`" type="checkbox" :checked="(ad.dayOfWeek & (1 << index)) !== 0"
+								:id="`ad${ad.id}-${index}`" class="mk-input-checkbox" type="checkbox" :checked="(ad.dayOfWeek & (1 << index)) !== 0"
 								@change="toggleDayOfWeek(ad, index)"
 							>
 							<label :for="`ad${ad.id}-${index}`">{{ day }}</label>
diff --git a/packages/frontend/src/pages/oauth.vue b/packages/frontend/src/pages/oauth.vue
index 38b9dd60c4..b8e8c92df7 100644
--- a/packages/frontend/src/pages/oauth.vue
+++ b/packages/frontend/src/pages/oauth.vue
@@ -18,8 +18,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<div v-if="name">{{ i18n.tsx._auth.shareAccess({ name }) }}</div>
 			<div v-else>{{ i18n.ts._auth.shareAccessAsk }}</div>
 			<form :class="$style.buttons" action="/oauth/decision" accept-charset="utf-8" method="post">
-				<input name="login_token" type="hidden" :value="$i.token"/>
-				<input name="transaction_id" type="hidden" :value="transactionIdMeta?.content"/>
+				<input name="login_token" class="mk-input-token-hidden" type="hidden" :value="$i.token"/>
+				<input name="transaction_id" class="mk-input-tr-id-hidden" type="hidden" :value="transactionIdMeta?.content"/>
 				<MkButton inline name="cancel" value="cancel">{{ i18n.ts.cancel }}</MkButton>
 				<MkButton inline primary>{{ i18n.ts.accept }}</MkButton>
 			</form>
diff --git a/packages/frontend/src/pages/settings/theme.vue b/packages/frontend/src/pages/settings/theme.vue
index dedac10270..4e0e7aa580 100644
--- a/packages/frontend/src/pages/settings/theme.vue
+++ b/packages/frontend/src/pages/settings/theme.vue
@@ -8,7 +8,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	<div v-adaptive-border class="rfqxtzch _panel">
 		<div class="toggle">
 			<div class="toggleWrapper">
-				<input id="dn" v-model="darkMode" type="checkbox" class="dn"/>
+				<input id="dn" v-model="darkMode" class="mk-input-checkbox dn" type="checkbox"/>
 				<label for="dn" class="toggle">
 					<span class="before">{{ i18n.ts.light }}</span>
 					<span class="after">{{ i18n.ts.dark }}</span>