feat(frontend): センシティブなメディアを目立たせる設定を追加 (#11851)

* (add) highlight sensitive image

* Update Changelog

* (change) 設定の位置

* (add) apply mediaHighlight to video

* (change) image -> media

* Update CHANGELOG

* やっぱもうちょっと太い方がいい

* (fix) style

* Update ja-JP.yml

---------

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

packages/frontend/src/components/MkMediaVideo.vue

@@ -4,7 +4,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 -->
 
 <template>
-<div v-if="hide" :class="$style.hidden" @click="hide = false">
+<div v-if="hide" :class="[$style.hidden, (video.isSensitive && defaultStore.state.highlightSensitiveMedia) && $style.sensitiveContainer]" @click="hide = false">
 	<!-- 【注意】dataSaverMode が有効になっている際には、hide が false になるまでサムネイルや動画を読み込まないようにすること -->
 	<div :class="$style.sensitive">
 		<b v-if="video.isSensitive" style="display: block;"><i class="ti ti-alert-triangle"></i> {{ i18n.ts.sensitive }}{{ defaultStore.state.enableDataSaverMode ? ` (${i18n.ts.video}${video.size ? ' ' + bytes(video.size) : ''})` : '' }}</b>
@@ -12,7 +12,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<span>{{ i18n.ts.clickToShow }}</span>
 	</div>
 </div>
-<div v-else :class="$style.visible">
+<div v-else :class="[$style.visible, (video.isSensitive && defaultStore.state.highlightSensitiveMedia) && $style.sensitiveContainer]">
 	<video
 		:class="$style.video"
 		:poster="video.thumbnailUrl"
@@ -49,6 +49,22 @@ const hide = ref((defaultStore.state.nsfw === 'force' || defaultStore.state.enab
 	position: relative;
 }
 
+.sensitiveContainer {
+	position: relative;
+
+	&::after {
+		content: "";
+		position: absolute;
+		top: 0;
+		left: 0;
+		width: 100%;
+		height: 100%;
+		pointer-events: none;
+		border-radius: inherit;
+		box-shadow: inset 0 0 0 4px var(--warn);
+	}
+}
+
 .hide {
 	display: block;
 	position: absolute;