frontend/src/components/users/BehaviourSettingsSection.tsx

@@ -47,7 +47,7 @@ const embedAutoLoadOptions: SegmentedOption<ClientEmbedAutoLoadMode>[] = [
 
 const linkPreloadOptions: SegmentedOption<ClientLinkPreloadMode>[] = [
     { value: 'off', label: 'しない' },
-    { value: 'intent', label: 'マウスを置いたら' }]
+    { value: 'intent', label: 'する' }]
 
 const tagRelationDisplayOptions: SegmentedOption<ClientTagRelationDisplayMode>[] = [
     { value: 'flat', label: 'まとめない' },
@@ -90,7 +90,7 @@ const SegmentedControl = <T extends string,> (
 const SettingBlock: FC<SettingBlockProps> = (
     { title, description, children },
 ) => (
-    <div className="space-y-3 rounded-xl border border-border/70 bg-background/70 p-4">
+    <div className="space-y-3 rounded-xl px-4">
       <div className="space-y-1">
 	<h3 className="text-sm font-semibold">{title}</h3>
 	<p className="text-sm text-muted-foreground">{description}</p>
@@ -149,10 +149,6 @@ const BehaviourSettingsSection: FC<Props> = (
 	<div className="flex flex-wrap items-start justify-between gap-3">
 	  <div className="space-y-1">
 	    <h2 className="text-xl font-bold">動作</h2>
-	    {hasUnsavedChanges && (
-		<p className="text-sm text-amber-700 dark:text-amber-300">
-		  未保存の変更があります
-		</p>)}
 	  </div>
 
 	  <div className="flex flex-wrap gap-2">
@@ -173,50 +169,33 @@ const BehaviourSettingsSection: FC<Props> = (
 	</div>
 
 	<div className="space-y-4">
-	  <SettingBlock
+	  <SettingBlock title="アニメーション">
-	      title="アニメーション"
-	      description="画面遷移やレイアウト移動の動きを調整します。">
 	    <SegmentedControl
 		value={draftSettings.animation ?? 'normal'}
 		options={animationOptions}
 		onChange={value => updateDraft ('animation', value)}/>
 	  </SettingBlock>
 
-	  <SettingBlock
+	  <SettingBlock title="リンク先の先読み">
-	      title="リンク先の先読み"
-	      description="リンクにマウスを置いた時などに、移動先の情報を先に読みます。通信量や意図しない読込みが気になる場合は「しない」にできます。">
 	    <SegmentedControl
 		value={draftSettings.linkPreload ?? 'intent'}
 		options={linkPreloadOptions}
 		onChange={value => updateDraft ('linkPreload', value)}/>
 	  </SettingBlock>
 
-	  <SettingBlock
+	  <SettingBlock title="タグの親子関係表示">
-	      title="タグの親子関係表示"
-	      description="親子関係があるタグを、まとまりとして表示します。見た目を単純にしたい場合は「まとめない」にできます。">
 	    <SegmentedControl
 		value={draftSettings.tagRelationDisplay ?? 'grouped'}
 		options={tagRelationDisplayOptions}
 		onChange={value => updateDraft ('tagRelationDisplay', value)}/>
 	  </SettingBlock>
 
-	  <SettingBlock
+	  <SettingBlock title="埋め込み自動読込">
-	      title="埋め込み自動読込"
-	      description="外部埋め込みを自動で読み込むかを切り替えます。">
 	    <SegmentedControl
 		value={draftSettings.embedAutoLoad ?? 'auto'}
 		options={embedAutoLoadOptions}
 		onChange={value => updateDraft ('embedAutoLoad', value)}/>
 	  </SettingBlock>
-
-	  <SettingBlock
-	      title="サムネイル表示"
-	      description="投稿一覧や詳細の画像表示を軽量化します。">
-	    <SegmentedControl
-		value={draftSettings.thumbnailMode ?? 'normal'}
-		options={thumbnailModeOptions}
-		onChange={value => updateDraft ('thumbnailMode', value)}/>
-	  </SettingBlock>
 	</div>
       </section>)
 }

frontend/src/components/users/KeyboardSettingsSection.tsx

@@ -147,10 +147,6 @@ const KeyboardSettingsSection: FC<Props> = (
 	<div className="flex flex-wrap items-start justify-between gap-3">
 	  <div className="space-y-1">
 	    <h2 className="text-xl font-bold">キーボード</h2>
-	    {hasUnsavedChanges && (
-		<p className="text-sm text-amber-700 dark:text-amber-300">
-		  未保存の変更があります
-		</p>)}
 	  </div>
 
 	  <div className="flex flex-wrap gap-2">
@@ -206,8 +202,8 @@ const KeyboardSettingsSection: FC<Props> = (
 		<th className="p-2 text-left">操作</th>
 		<th className="p-2 text-left">適用範囲</th>
 		<th className="p-2 text-left">現在のキー</th>
-		<th className="p-2 text-left">変更</th>
+		<th className="p-2 text-left"></th>
-		<th className="p-2 text-left">既定に戻す</th>
+		<th className="p-2 text-left"></th>
 		<th className="p-2 text-left">競合状態</th>
 	      </tr>
 	    </thead>

frontend/src/pages/users/SettingPage.tsx

@@ -152,7 +152,7 @@ const themeSlotNoSelections: ThemeSegmentedOption<UserThemeSlotNo>[] = [
     { value: 3, label: '3' } ]
 
 const sectionClassName =
-    'space-y-4 rounded-xl border border-border bg-background/80 p-4'
+    'space-y-4 rounded-xl p-4'
 
 const themeSelections: ThemeSelectionItem[] = [
     { id: 'user:light:1', label: 'ライト 1', baseTheme: 'light', slotNo: 1 },
@@ -517,16 +517,6 @@ const ThemeSection: FC<ThemeSectionProps> = (
 	<div className="flex flex-wrap items-start justify-between gap-3">
 	  <div className="space-y-1">
 	    <h2 className="text-xl font-bold">テーマ</h2>
-	    <p className="text-sm text-muted-foreground">
-	      現在表示中: {displayedThemeLabel}
-	    </p>
-	    {draftThemeMode === 'system' && (
-		<p className="text-sm text-muted-foreground">
-		  システム設定: {systemThemeLabel}
-		</p>)}
-	    <p className="text-sm text-muted-foreground">
-	      保存先: {themeLabelBySelection (currentDisplayedThemeSlot)}
-	    </p>
 	    {hasUnsavedChanges && (
 		<p className="text-sm text-amber-700 dark:text-amber-300">
 		  未保存の変更があります
@@ -534,6 +524,13 @@ const ThemeSection: FC<ThemeSectionProps> = (
 	  </div>
 
 	  <div className="flex flex-wrap gap-2">
+	    <Button
+		type="button"
+		variant="outline"
+		onClick={onResetThemeSlot}>
+	      既定に戻す
+	    </Button>
+
 	    <Button
 		type="button"
 		variant="destructive"
@@ -553,7 +550,7 @@ const ThemeSection: FC<ThemeSectionProps> = (
 	<FieldError messages={settingsBaseErrors}/>
 	<FieldError messages={settingsFieldErrors.theme ?? []}/>
 
-	<div className="space-y-3 rounded-xl border border-border/70 bg-background/70 p-4">
+	<div className="space-y-3 rounded-xl p-4">
 	  <div className="flex flex-wrap items-center gap-x-4 gap-y-2">
 	    <div className="shrink-0">
 	      <Label>表示モード</Label>
@@ -567,14 +564,6 @@ const ThemeSection: FC<ThemeSectionProps> = (
 	  </div>
 
 	  <div className="space-y-3">
-	    <div className="space-y-1">
-	      <h3 className="text-sm font-semibold">テーマの使い分け</h3>
-	      <p className="text-sm text-muted-foreground">
-		表示モードと使用テーマは，このブラウザにすぐ保存されます．
-		色の編輯だけが保存・破棄の対象です．
-	      </p>
-	    </div>
-
 	    <div className="grid gap-3 md:grid-cols-2">
 	      <div className="space-y-2">
 		<Label>ライト時</Label>
@@ -588,9 +577,6 @@ const ThemeSection: FC<ThemeSectionProps> = (
 			  {`ライト ${ selection.value }`}
 			</option>))}
 		</select>
-		<p className="text-sm text-muted-foreground">
-		  ライト表示の時に使うテーマを選びます．
-		</p>
 	      </div>
 
 	      <div className="space-y-2">
@@ -605,36 +591,16 @@ const ThemeSection: FC<ThemeSectionProps> = (
 			  {`ダーク ${ selection.value }`}
 			</option>))}
 		</select>
-		<p className="text-sm text-muted-foreground">
-		  ダーク表示の時に使うテーマを選びます．
-		</p>
 	      </div>
 	    </div>
 	  </div>
-
-	  <div className="flex flex-wrap items-center gap-2">
-	    <Button
-		type="button"
-		variant="outline"
-		onClick={onResetThemeSlot}>
-	      既定に戻す
-	    </Button>
-	  </div>
-
-	  <div style={themePreviewStyle (selectedTheme.tokens.tagColours)}>
-	    <TagLink
-		tag={previewTags.general}
-		linkFlg={false}
-		truncateOnMobile
-		withWiki={false}/>
-	  </div>
 	</div>
 
 	<div className="space-y-4">
 	  {themeTokenGroups.map (group => (
 	      <div
 		  key={group.title}
-		  className="space-y-3 rounded-xl border border-border/70 bg-background/70 p-4">
+		  className="space-y-3 rounded-xl p-4">
 		<h3 className="text-sm font-semibold">{group.title}</h3>
 		<div className="space-y-1">
 		  {group.fields.map (field => (
@@ -657,7 +623,7 @@ const ThemeSection: FC<ThemeSectionProps> = (
 		</div>
 	      </div>))}
 
-	  <div className="space-y-3 rounded-xl border border-border/70 bg-background/70 p-4">
+	  <div className="space-y-3 rounded-xl bg-background/70 p-4">
 	    <div className="flex flex-wrap items-center justify-between gap-2">
 	      <div>
 		<h3 className="font-medium">タグ</h3>