diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5963549cc6..ebf9320129 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,9 @@
 - Enhance: ページのデザインを変更
 - Enhance: 2要素認証（ワンタイムパスワード）の入力欄を改善
 - Enhance: 「今日誕生日のフォロー中ユーザー」ウィジェットを手動でリロードできるように
+- Enhance: 映像・音声の再生にブラウザのネイティブプレイヤーを使用できるように
+- Enhance: 映像・音声の再生メニューに「再生速度」「ループ再生」「ピクチャインピクチャ」を追加
+- Enhance: 映像・音声の再生にキーボードショートカットが使えるように
 - Fix: 一部のページ内リンクが正しく動作しない問題を修正
 - Fix: 周年の実績が閏年を考慮しない問題を修正
 - Fix: ローカルURLのプレビューポップアップが左上に表示される
diff --git a/locales/index.d.ts b/locales/index.d.ts
index 428cf9135c..3dbe46c7b2 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -4932,6 +4932,10 @@ export interface Locale extends ILocale {
      * アプリを起動
      */
     "launchApp": string;
+    /**
+     * 動画・音声の再生にブラウザのUIを使用する
+     */
+    "useNativeUIForVideoAudioPlayer": string;
     "_bubbleGame": {
         /**
          * 遊び方
@@ -9834,6 +9838,20 @@ export interface Locale extends ILocale {
          */
         "summaryProxyDescription2": string;
     };
+    "_mediaControls": {
+        /**
+         * ピクチャインピクチャ
+         */
+        "pip": string;
+        /**
+         * 再生速度
+         */
+        "playbackRate": string;
+        /**
+         * ループ再生
+         */
+        "loop": string;
+    };
 }
 declare const locales: {
     [lang: string]: Locale;
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 9e76e420c3..aa765d1310 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1229,6 +1229,7 @@ notUsePleaseLeaveBlank: "使用しない場合は空欄にしてください"
 useTotp: "ワンタイムパスワードを使う"
 useBackupCode: "バックアップコードを使う"
 launchApp: "アプリを起動"
+useNativeUIForVideoAudioPlayer: "動画・音声の再生にブラウザのUIを使用する"
 
 _bubbleGame:
   howToPlay: "遊び方"
@@ -2619,3 +2620,9 @@ _urlPreviewSetting:
   summaryProxy: "プレビューを生成するプロキシのエンドポイント"
   summaryProxyDescription: "Misskey本体ではなく、サマリープロキシを使用してプレビューを生成します。"
   summaryProxyDescription2: "プロキシには下記パラメータがクエリ文字列として連携されます。プロキシ側がこれらをサポートしない場合、設定値は無視されます。"
+
+_mediaControls:
+  pip: "ピクチャインピクチャ"
+  playbackRate: "再生速度"
+  loop: "ループ再生"
+  
\ No newline at end of file
diff --git a/packages/frontend/src/components/MkMediaAudio.vue b/packages/frontend/src/components/MkMediaAudio.vue
index 96c9b9fd66..5d2edf467e 100644
--- a/packages/frontend/src/components/MkMediaAudio.vue
+++ b/packages/frontend/src/components/MkMediaAudio.vue
@@ -5,11 +5,15 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <div
+	ref="playerEl"
+	v-hotkey="keymap"
+	tabindex="0"
 	:class="[
 		$style.audioContainer,
 		(audio.isSensitive && defaultStore.state.highlightSensitiveMedia) && $style.sensitive,
 	]"
 	@contextmenu.stop
+	@keydown.stop
 >
 	<button v-if="hide" :class="$style.hidden" @click="hide = false">
 		<div :class="$style.hiddenTextWrapper">
@@ -18,6 +22,19 @@ SPDX-License-Identifier: AGPL-3.0-only
 			<span style="display: block;">{{ i18n.ts.clickToShow }}</span>
 		</div>
 	</button>
+
+	<div v-else-if="defaultStore.reactiveState.useNativeUIForVideoAudioPlayer.value" :class="$style.nativeAudioContainer">
+		<audio
+			ref="audioEl"
+			preload="metadata"
+			controls
+			:class="$style.nativeAudio"
+			@keydown.prevent
+		>
+			<source :src="audio.url">
+		</audio>
+	</div>
+
 	<div v-else :class="$style.audioControls">
 		<audio
 			ref="audioEl"
@@ -72,6 +89,41 @@ const props = defineProps<{
 	audio: Misskey.entities.DriveFile;
 }>();
 
+const keymap = {
+	'up': () => {
+		if (hasFocus() && audioEl.value) {
+			volume.value = Math.min(volume.value + 0.1, 1);
+		}
+	},
+	'down': () => {
+		if (hasFocus() && audioEl.value) {
+			volume.value = Math.max(volume.value - 0.1, 0);
+		}
+	},
+	'left': () => {
+		if (hasFocus() && audioEl.value) {
+			audioEl.value.currentTime = Math.max(audioEl.value.currentTime - 5, 0);
+		}
+	},
+	'right': () => {
+		if (hasFocus() && audioEl.value) {
+			audioEl.value.currentTime = Math.min(audioEl.value.currentTime + 5, audioEl.value.duration);
+		}
+	},
+	'space': () => {
+		if (hasFocus()) {
+			togglePlayPause();
+		}
+	},
+};
+
+// PlayerElもしくはその子要素にフォーカスがあるかどうか
+function hasFocus() {
+	if (!playerEl.value) return false;
+	return playerEl.value === document.activeElement || playerEl.value.contains(document.activeElement);
+}
+
+const playerEl = shallowRef<HTMLDivElement>();
 const audioEl = shallowRef<HTMLAudioElement>();
 
 // eslint-disable-next-line vue/no-setup-props-destructure
@@ -85,6 +137,30 @@ function showMenu(ev: MouseEvent) {
 
 	menu = [
 		// TODO: 再生キューに追加
+		{
+			type: 'switch',
+			text: i18n.ts._mediaControls.loop,
+			icon: 'ti ti-repeat',
+			ref: loop,
+		},
+		{
+			type: 'radio',
+			text: i18n.ts._mediaControls.playbackRate,
+			icon: 'ti ti-clock-play',
+			ref: speed,
+			options: {
+				'0.25x': 0.25,
+				'0.5x': 0.5,
+				'0.75x': 0.75,
+				'1.0x': 1,
+				'1.25x': 1.25,
+				'1.5x': 1.5,
+				'2.0x': 2,
+			},
+		},
+		{
+			type: 'divider',
+		},
 		{
 			text: i18n.ts.hide,
 			icon: 'ti ti-eye-off',
@@ -147,6 +223,8 @@ const rangePercent = computed({
 	},
 });
 const volume = ref(.25);
+const speed = ref(1);
+const loop = ref(false); // TODO: ドライブファイルのフラグに置き換える
 const bufferedEnd = ref(0);
 const bufferedDataRatio = computed(() => {
 	if (!audioEl.value) return 0;
@@ -176,6 +254,7 @@ function toggleMute() {
 }
 
 let onceInit = false;
+let mediaTickFrameId: number | null = null;
 let stopAudioElWatch: () => void;
 
 function init() {
@@ -195,8 +274,12 @@ function init() {
 					}
 
 					elapsedTimeMs.value = audioEl.value.currentTime * 1000;
+
+					if (audioEl.value.loop !== loop.value) {
+						loop.value = audioEl.value.loop;
+					}
 				}
-				window.requestAnimationFrame(updateMediaTick);
+				mediaTickFrameId = window.requestAnimationFrame(updateMediaTick);
 			}
 
 			updateMediaTick();
@@ -234,6 +317,14 @@ watch(volume, (to) => {
 	if (audioEl.value) audioEl.value.volume = to;
 });
 
+watch(speed, (to) => {
+	if (audioEl.value) audioEl.value.playbackRate = to;
+});
+
+watch(loop, (to) => {
+	if (audioEl.value) audioEl.value.loop = to;
+});
+
 onMounted(() => {
 	init();
 });
@@ -252,6 +343,10 @@ onDeactivated(() => {
 	hide.value = (defaultStore.state.nsfw === 'force' || defaultStore.state.dataSaver.media) ? true : (props.audio.isSensitive && defaultStore.state.nsfw !== 'ignore');
 	stopAudioElWatch();
 	onceInit = false;
+	if (mediaTickFrameId) {
+		window.cancelAnimationFrame(mediaTickFrameId);
+		mediaTickFrameId = null;
+	}
 });
 </script>
 
@@ -262,6 +357,10 @@ onDeactivated(() => {
 	border: .5px solid var(--divider);
 	border-radius: var(--radius);
 	overflow: clip;
+
+	&:focus {
+		outline: none;
+	}
 }
 
 .sensitive {
@@ -367,4 +466,15 @@ onDeactivated(() => {
 		}
 	}
 }
+
+.nativeAudioContainer {
+	display: flex;
+	align-items: center;
+	padding: 6px;
+}
+
+.nativeAudio {
+	display: block;
+	width: 100%;
+}
 </style>
diff --git a/packages/frontend/src/components/MkMediaVideo.vue b/packages/frontend/src/components/MkMediaVideo.vue
index 73c1b6ff9d..1e3868bc36 100644
--- a/packages/frontend/src/components/MkMediaVideo.vue
+++ b/packages/frontend/src/components/MkMediaVideo.vue
@@ -6,6 +6,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 <template>
 <div
 	ref="playerEl"
+	v-hotkey="keymap"
+	tabindex="0"
 	:class="[
 		$style.videoContainer,
 		controlsShowing && $style.active,
@@ -14,15 +16,37 @@ SPDX-License-Identifier: AGPL-3.0-only
 	@mouseover="onMouseOver"
 	@mouseleave="onMouseLeave"
 	@contextmenu.stop
+	@keydown.stop
 >
 	<button v-if="hide" :class="$style.hidden" @click="hide = false">
 		<div :class="$style.hiddenTextWrapper">
 			<b v-if="video.isSensitive" style="display: block;"><i class="ti ti-eye-exclamation"></i> {{ i18n.ts.sensitive }}{{ defaultStore.state.dataSaver.media ? ` (${i18n.ts.video}${video.size ? ' ' + bytes(video.size) : ''})` : '' }}</b>
-			<b v-else style="display: block;"><i class="ti ti-photo"></i> {{ defaultStore.state.dataSaver.media && video.size ? bytes(video.size) : i18n.ts.video }}</b>
+			<b v-else style="display: block;"><i class="ti ti-movie"></i> {{ defaultStore.state.dataSaver.media && video.size ? bytes(video.size) : i18n.ts.video }}</b>
 			<span style="display: block;">{{ i18n.ts.clickToShow }}</span>
 		</div>
 	</button>
-	<div v-else :class="$style.videoRoot" @click.self="togglePlayPause">
+
+	<div v-else-if="defaultStore.reactiveState.useNativeUIForVideoAudioPlayer.value" :class="$style.videoRoot">
+		<video
+			ref="videoEl"
+			:class="$style.video"
+			:poster="video.thumbnailUrl ?? undefined"
+			:title="video.comment ?? undefined"
+			:alt="video.comment"
+			preload="metadata"
+			controls
+			@keydown.prevent
+		>
+			<source :src="video.url">
+		</video>
+		<i class="ti ti-eye-off" :class="$style.hide" @click="hide = true"></i>
+		<div :class="$style.indicators">
+			<div v-if="video.comment" :class="$style.indicator">ALT</div>
+			<div v-if="video.isSensitive" :class="$style.indicator" style="color: var(--warn);" :title="i18n.ts.sensitive"><i class="ti ti-eye-exclamation"></i></div>
+		</div>
+	</div>
+
+	<div v-else :class="$style.videoRoot">
 		<video
 			ref="videoEl"
 			:class="$style.video"
@@ -31,6 +55,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 			:alt="video.comment"
 			preload="metadata"
 			playsinline
+			@keydown.prevent
+			@click.self="togglePlayPause"
 		>
 			<source :src="video.url">
 		</video>
@@ -100,6 +126,40 @@ const props = defineProps<{
 	video: Misskey.entities.DriveFile;
 }>();
 
+const keymap = {
+	'up': () => {
+		if (hasFocus() && videoEl.value) {
+			volume.value = Math.min(volume.value + 0.1, 1);
+		}
+	},
+	'down': () => {
+		if (hasFocus() && videoEl.value) {
+			volume.value = Math.max(volume.value - 0.1, 0);
+		}
+	},
+	'left': () => {
+		if (hasFocus() && videoEl.value) {
+			videoEl.value.currentTime = Math.max(videoEl.value.currentTime - 5, 0);
+		}
+	},
+	'right': () => {
+		if (hasFocus() && videoEl.value) {
+			videoEl.value.currentTime = Math.min(videoEl.value.currentTime + 5, videoEl.value.duration);
+		}
+	},
+	'space': () => {
+		if (hasFocus()) {
+			togglePlayPause();
+		}
+	},
+};
+
+// PlayerElもしくはその子要素にフォーカスがあるかどうか
+function hasFocus() {
+	if (!playerEl.value) return false;
+	return playerEl.value === document.activeElement || playerEl.value.contains(document.activeElement);
+}
+
 // eslint-disable-next-line vue/no-setup-props-destructure
 const hide = ref((defaultStore.state.nsfw === 'force' || defaultStore.state.dataSaver.media) ? true : (props.video.isSensitive && defaultStore.state.nsfw !== 'ignore'));
 
@@ -111,6 +171,35 @@ function showMenu(ev: MouseEvent) {
 
 	menu = [
 		// TODO: 再生キューに追加
+		{
+			type: 'switch',
+			text: i18n.ts._mediaControls.loop,
+			icon: 'ti ti-repeat',
+			ref: loop,
+		},
+		{
+			type: 'radio',
+			text: i18n.ts._mediaControls.playbackRate,
+			icon: 'ti ti-clock-play',
+			ref: speed,
+			options: {
+				'0.25x': 0.25,
+				'0.5x': 0.5,
+				'0.75x': 0.75,
+				'1.0x': 1,
+				'1.25x': 1.25,
+				'1.5x': 1.5,
+				'2.0x': 2,
+			},
+		},
+		...(document.pictureInPictureEnabled ? [{
+			text: i18n.ts._mediaControls.pip,
+			icon: 'ti ti-picture-in-picture',
+			action: togglePictureInPicture,
+		}] : []),
+		{
+			type: 'divider',
+		},
 		{
 			text: i18n.ts.hide,
 			icon: 'ti ti-eye-off',
@@ -186,6 +275,8 @@ const rangePercent = computed({
 	},
 });
 const volume = ref(.25);
+const speed = ref(1);
+const loop = ref(false); // TODO: ドライブファイルのフラグに置き換える
 const bufferedEnd = ref(0);
 const bufferedDataRatio = computed(() => {
 	if (!videoEl.value) return 0;
@@ -243,6 +334,16 @@ function toggleFullscreen() {
 	}
 }
 
+function togglePictureInPicture() {
+	if (videoEl.value) {
+		if (document.pictureInPictureElement) {
+			document.exitPictureInPicture();
+		} else {
+			videoEl.value.requestPictureInPicture();
+		}
+	}
+}
+
 function toggleMute() {
 	if (volume.value === 0) {
 		volume.value = .25;
@@ -252,6 +353,7 @@ function toggleMute() {
 }
 
 let onceInit = false;
+let mediaTickFrameId: number | null = null;
 let stopVideoElWatch: () => void;
 
 function init() {
@@ -271,8 +373,12 @@ function init() {
 					}
 
 					elapsedTimeMs.value = videoEl.value.currentTime * 1000;
+
+					if (videoEl.value.loop !== loop.value) {
+						loop.value = videoEl.value.loop;
+					}
 				}
-				window.requestAnimationFrame(updateMediaTick);
+				mediaTickFrameId = window.requestAnimationFrame(updateMediaTick);
 			}
 
 			updateMediaTick();
@@ -316,6 +422,14 @@ watch(volume, (to) => {
 	if (videoEl.value) videoEl.value.volume = to;
 });
 
+watch(speed, (to) => {
+	if (videoEl.value) videoEl.value.playbackRate = to;
+});
+
+watch(loop, (to) => {
+	if (videoEl.value) videoEl.value.loop = to;
+});
+
 watch(hide, (to) => {
 	if (to && isFullscreen.value) {
 		document.exitFullscreen();
@@ -341,6 +455,10 @@ onDeactivated(() => {
 	hide.value = (defaultStore.state.nsfw === 'force' || defaultStore.state.dataSaver.media) ? true : (props.video.isSensitive && defaultStore.state.nsfw !== 'ignore');
 	stopVideoElWatch();
 	onceInit = false;
+	if (mediaTickFrameId) {
+		window.cancelAnimationFrame(mediaTickFrameId);
+		mediaTickFrameId = null;
+	}
 });
 </script>
 
@@ -349,6 +467,10 @@ onDeactivated(() => {
 	container-type: inline-size;
 	position: relative;
 	overflow: clip;
+
+	&:focus {
+		outline: none;
+	}
 }
 
 .sensitive {
@@ -412,7 +534,7 @@ onDeactivated(() => {
 	font: inherit;
 	color: inherit;
 	cursor: pointer;
-	padding: 120px 0;
+	padding: 60px 0;
 	display: flex;
 	align-items: center;
 	justify-content: center;
@@ -436,7 +558,6 @@ onDeactivated(() => {
 	display: block;
 	height: 100%;
 	width: 100%;
-	pointer-events: none;
 }
 
 .videoOverlayPlayButton {
diff --git a/packages/frontend/src/components/MkMenu.vue b/packages/frontend/src/components/MkMenu.vue
index faed6416d0..d91239b9e2 100644
--- a/packages/frontend/src/components/MkMenu.vue
+++ b/packages/frontend/src/components/MkMenu.vue
@@ -42,9 +42,26 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</div>
 			</button>
 			<button v-else-if="item.type === 'switch'" role="menuitemcheckbox" :tabindex="i" class="_button" :class="[$style.item, $style.switch, { [$style.switchDisabled]: item.disabled } ]" @click="switchItem(item)" @mouseenter.passive="onItemMouseEnter(item)" @mouseleave.passive="onItemMouseLeave(item)">
-				<MkSwitchButton :class="$style.switchButton" :checked="item.ref" :disabled="item.disabled" @toggle="switchItem(item)"/>
+				<i v-if="item.icon" class="ti-fw" :class="[$style.icon, item.icon]"></i>
+				<MkSwitchButton v-else :class="$style.switchButton" :checked="item.ref" :disabled="item.disabled" @toggle="switchItem(item)"/>
 				<div :class="$style.item_content">
-					<span :class="[$style.item_content_text, $style.switchText]">{{ item.text }}</span>
+					<span :class="[$style.item_content_text, { [$style.switchText]: !item.icon }]">{{ item.text }}</span>
+					<MkSwitchButton v-if="item.icon" :class="[$style.switchButton, $style.caret]" :checked="item.ref" :disabled="item.disabled" @toggle="switchItem(item)"/>
+				</div>
+			</button>
+			<button v-else-if="item.type === 'radio'" class="_button" role="menuitem" :tabindex="i" :class="[$style.item, $style.parent, { [$style.childShowing]: childShowingItem === item }]" @mouseenter="preferClick ? null : showRadioOptions(item, $event)" @click="!preferClick ? null : showRadioOptions(item, $event)">
+				<i v-if="item.icon" class="ti-fw" :class="[$style.icon, item.icon]" style="pointer-events: none;"></i>
+				<div :class="$style.item_content">
+					<span :class="$style.item_content_text" style="pointer-events: none;">{{ item.text }}</span>
+					<span :class="$style.caret" style="pointer-events: none;"><i class="ti ti-chevron-right ti-fw"></i></span>
+				</div>
+			</button>
+			<button v-else-if="item.type === 'radioOption'" :tabindex="i" class="_button" role="menuitem" :class="[$style.item, { [$style.radioActive]: item.active }]" @click="clicked(item.action, $event, false)" @mouseenter.passive="onItemMouseEnter(item)" @mouseleave.passive="onItemMouseLeave(item)">
+				<div :class="$style.icon">
+					<span :class="[$style.radio, { [$style.radioChecked]: item.active }]"></span>
+				</div>
+				<div :class="$style.item_content">
+					<span :class="$style.item_content_text">{{ item.text }}</span>
 				</div>
 			</button>
 			<button v-else-if="item.type === 'parent'" class="_button" role="menuitem" :tabindex="i" :class="[$style.item, $style.parent, { [$style.childShowing]: childShowingItem === item }]" @mouseenter="preferClick ? null : showChildren(item, $event)" @click="!preferClick ? null : showChildren(item, $event)">
@@ -77,7 +94,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 import { ComputedRef, computed, defineAsyncComponent, isRef, nextTick, onBeforeUnmount, onMounted, ref, shallowRef, watch } from 'vue';
 import { focusPrev, focusNext } from '@/scripts/focus.js';
 import MkSwitchButton from '@/components/MkSwitch.button.vue';
-import { MenuItem, InnerMenuItem, MenuPending, MenuAction, MenuSwitch, MenuParent } from '@/types/menu.js';
+import { MenuItem, InnerMenuItem, MenuPending, MenuAction, MenuSwitch, MenuRadio, MenuRadioOption, MenuParent } from '@/types/menu.js';
 import * as os from '@/os.js';
 import { i18n } from '@/i18n.js';
 import { isTouchUsing } from '@/scripts/touch.js';
@@ -168,6 +185,31 @@ function onItemMouseLeave(item) {
 	if (childCloseTimer) window.clearTimeout(childCloseTimer);
 }
 
+async function showRadioOptions(item: MenuRadio, ev: MouseEvent) {
+	const children: MenuItem[] = Object.keys(item.options).map<MenuRadioOption>(key => {
+		const value = item.options[key];
+		return {
+			type: 'radioOption',
+			text: key,
+			action: () => {
+				item.ref = value;
+			},
+			active: computed(() => item.ref === value),
+		};
+	});
+
+	if (props.asDrawer) {
+		os.popupMenu(children, ev.currentTarget ?? ev.target).finally(() => {
+			emit('close');
+		});
+		emit('hide');
+	} else {
+		childTarget.value = (ev.currentTarget ?? ev.target) as HTMLElement;
+		childMenu.value = children;
+		childShowingItem.value = item;
+	}
+}
+
 async function showChildren(item: MenuParent, ev: MouseEvent) {
 	const children: MenuItem[] = await (async () => {
 		if (childrenCache.has(item)) {
@@ -196,8 +238,10 @@ async function showChildren(item: MenuParent, ev: MouseEvent) {
 	}
 }
 
-function clicked(fn: MenuAction, ev: MouseEvent) {
+function clicked(fn: MenuAction, ev: MouseEvent, doClose = true) {
 	fn(ev);
+
+	if (!doClose) return;
 	close(true);
 }
 
@@ -350,6 +394,15 @@ onBeforeUnmount(() => {
 		}
 	}
 
+	&.radioActive {
+		color: var(--accent) !important;
+		opacity: 1;
+
+		&:before {
+			background-color: var(--accentedBg) !important;
+		}
+	}
+
 	&:not(:active):focus-visible {
 		box-shadow: 0 0 0 2px var(--focus) inset;
 	}
@@ -417,11 +470,11 @@ onBeforeUnmount(() => {
 
 .switchButton {
 	margin-left: -2px;
+	--height: 1.35em;
 }
 
 .switchText {
 	margin-left: 8px;
-	margin-top: 2px;
 	overflow: hidden;
 	text-overflow: ellipsis;
 }
@@ -461,4 +514,32 @@ onBeforeUnmount(() => {
 	margin: 8px 0;
 	border-top: solid 0.5px var(--divider);
 }
+
+.radio {
+	display: inline-block;
+	position: relative;
+	width: 1em;
+	height: 1em;
+	vertical-align: -.125em;
+	border-radius: 50%;
+	border: solid 2px var(--divider);
+	background-color: var(--panel);
+
+	&.radioChecked {
+		border-color: var(--accent);
+
+		&::after {
+			content: "";
+			display: block;
+			position: absolute;
+			top: 50%;
+			left: 50%;
+			transform: translate(-50%, -50%);
+			width: 50%;
+			height: 50%;
+			border-radius: 50%;
+			background-color: var(--accent);
+		}
+	}
+}
 </style>
diff --git a/packages/frontend/src/components/MkSwitch.button.vue b/packages/frontend/src/components/MkSwitch.button.vue
index c95c933663..226908e221 100644
--- a/packages/frontend/src/components/MkSwitch.button.vue
+++ b/packages/frontend/src/components/MkSwitch.button.vue
@@ -41,13 +41,15 @@ const toggle = () => {
 
 <style lang="scss" module>
 .button {
+	--height: 21px;
+
 	position: relative;
 	display: inline-flex;
 	flex-shrink: 0;
 	margin: 0;
 	box-sizing: border-box;
-	width: 32px;
-	height: 23px;
+	width: calc(var(--height) * 1.6);
+	height: calc(var(--height) + 2px); // 枠線
 	outline: none;
 	background: var(--switchOffBg);
 	background-clip: content-box;
@@ -69,9 +71,10 @@ const toggle = () => {
 
 .knob {
 	position: absolute;
+	box-sizing: border-box;
 	top: 3px;
-	width: 15px;
-	height: 15px;
+	width: calc(var(--height) - 6px);
+	height: calc(var(--height) - 6px);
 	border-radius: 999px;
 	transition: all 0.2s ease;
 
@@ -82,7 +85,7 @@ const toggle = () => {
 }
 
 .knobChecked {
-	left: 12px;
+	left: calc(calc(100% - var(--height)) + 3px);
 	background: var(--switchOnFg);
 }
 </style>
diff --git a/packages/frontend/src/pages/settings/general.vue b/packages/frontend/src/pages/settings/general.vue
index 285f874dde..f2f82c4808 100644
--- a/packages/frontend/src/pages/settings/general.vue
+++ b/packages/frontend/src/pages/settings/general.vue
@@ -132,6 +132,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<MkSwitch v-model="disableDrawer">{{ i18n.ts.disableDrawer }}</MkSwitch>
 				<MkSwitch v-model="forceShowAds">{{ i18n.ts.forceShowAds }}</MkSwitch>
 				<MkSwitch v-model="enableSeasonalScreenEffect">{{ i18n.ts.seasonalScreenEffect }}</MkSwitch>
+				<MkSwitch v-model="useNativeUIForVideoAudioPlayer">{{ i18n.ts.useNativeUIForVideoAudioPlayer }}</MkSwitch>
 			</div>
 			<div>
 				<MkRadios v-model="emojiStyle">
@@ -308,6 +309,7 @@ const disableStreamingTimeline = computed(defaultStore.makeGetterSetter('disable
 const useGroupedNotifications = computed(defaultStore.makeGetterSetter('useGroupedNotifications'));
 const enableSeasonalScreenEffect = computed(defaultStore.makeGetterSetter('enableSeasonalScreenEffect'));
 const enableHorizontalSwipe = computed(defaultStore.makeGetterSetter('enableHorizontalSwipe'));
+const useNativeUIForVideoAudioPlayer = computed(defaultStore.makeGetterSetter('useNativeUIForVideoAudioPlayer'));
 
 watch(lang, () => {
 	miLocalStorage.setItem('lang', lang.value as string);
diff --git a/packages/frontend/src/scripts/keycode.ts b/packages/frontend/src/scripts/keycode.ts
index bc1f485f5e..7ffceafada 100644
--- a/packages/frontend/src/scripts/keycode.ts
+++ b/packages/frontend/src/scripts/keycode.ts
@@ -15,6 +15,7 @@ export default (input: string): string[] => {
 export const aliases = {
 	'esc': 'Escape',
 	'enter': ['Enter', 'NumpadEnter'],
+	'space': [' ', 'Spacebar'],
 	'up': 'ArrowUp',
 	'down': 'ArrowDown',
 	'left': 'ArrowLeft',
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index 7742acc60d..faefbd8ce4 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -442,6 +442,10 @@ export const defaultStore = markRaw(new Storage('base', {
 		where: 'device',
 		default: true,
 	},
+	useNativeUIForVideoAudioPlayer: {
+		where: 'device',
+		default: false,
+	},
 
 	sound_masterVolume: {
 		where: 'device',
diff --git a/packages/frontend/src/types/menu.ts b/packages/frontend/src/types/menu.ts
index 712f3464e5..138eb7dd62 100644
--- a/packages/frontend/src/types/menu.ts
+++ b/packages/frontend/src/types/menu.ts
@@ -6,6 +6,8 @@
 import * as Misskey from 'misskey-js';
 import { ComputedRef, Ref } from 'vue';
 
+interface MenuRadioOptionsDef extends Record<string, any> { }
+
 export type MenuAction = (ev: MouseEvent) => void;
 
 export type MenuDivider = { type: 'divider' };
@@ -14,13 +16,15 @@ export type MenuLabel = { type: 'label', text: string };
 export type MenuLink = { type: 'link', to: string, text: string, icon?: string, indicate?: boolean, avatar?: Misskey.entities.User };
 export type MenuA = { type: 'a', href: string, target?: string, download?: string, text: string, icon?: string, indicate?: boolean };
 export type MenuUser = { type: 'user', user: Misskey.entities.User, active?: boolean, indicate?: boolean, action: MenuAction };
-export type MenuSwitch = { type: 'switch', ref: Ref<boolean>, text: string, disabled?: boolean | Ref<boolean> };
+export type MenuSwitch = { type: 'switch', ref: Ref<boolean>, text: string, icon?: string, disabled?: boolean | Ref<boolean> };
 export type MenuButton = { type?: 'button', text: string, icon?: string, indicate?: boolean, danger?: boolean, active?: boolean | ComputedRef<boolean>, avatar?: Misskey.entities.User; action: MenuAction };
+export type MenuRadio = { type: 'radio', text: string, icon?: string, ref: Ref<MenuRadioOptionsDef[keyof MenuRadioOptionsDef]>, options: MenuRadioOptionsDef, disabled?: boolean | Ref<boolean> };
+export type MenuRadioOption = { type: 'radioOption', text: string, action: MenuAction; active?: boolean | ComputedRef<boolean> };
 export type MenuParent = { type: 'parent', text: string, icon?: string, children: MenuItem[] | (() => Promise<MenuItem[]> | MenuItem[]) };
 
 export type MenuPending = { type: 'pending' };
 
-type OuterMenuItem = MenuDivider | MenuNull | MenuLabel | MenuLink | MenuA | MenuUser | MenuSwitch | MenuButton | MenuParent;
+type OuterMenuItem = MenuDivider | MenuNull | MenuLabel | MenuLink | MenuA | MenuUser | MenuSwitch | MenuButton | MenuRadio | MenuRadioOption | MenuParent;
 type OuterPromiseMenuItem = Promise<MenuLabel | MenuLink | MenuA | MenuUser | MenuSwitch | MenuButton | MenuParent>;
 export type MenuItem = OuterMenuItem | OuterPromiseMenuItem;
-export type InnerMenuItem = MenuDivider | MenuPending | MenuLabel | MenuLink | MenuA | MenuUser | MenuSwitch | MenuButton | MenuParent;
+export type InnerMenuItem = MenuDivider | MenuPending | MenuLabel | MenuLink | MenuA | MenuUser | MenuSwitch | MenuButton | MenuRadio | MenuRadioOption | MenuParent;