diff --git a/frontend/src/components/common/TabGroup.tsx b/frontend/src/components/common/TabGroup.tsx
index 7a5627c..128e2dc 100644
--- a/frontend/src/components/common/TabGroup.tsx
+++ b/frontend/src/components/common/TabGroup.tsx
@@ -31,7 +31,11 @@ const TabGroup: FC<Props> = ({ children, rightAddon }) => {
 		<button
 		   key={i}
 		   type="button"
-		   className={cn ('bg-transparent p-0 text-left', i === current && 'font-bold')}
+		   className={cn (
+		       'bg-transparent p-0 text-left text-[hsl(var(--theme-link))] hover:opacity-85',
+		       'focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring',
+		       i === current && 'font-bold',
+		   )}
 		   onClick={() => {
 		     setCurrent (i)
 		   }}>
diff --git a/frontend/src/lib/keyboardShortcuts.ts b/frontend/src/lib/keyboardShortcuts.ts
index 7948a26..53990f3 100644
--- a/frontend/src/lib/keyboardShortcuts.ts
+++ b/frontend/src/lib/keyboardShortcuts.ts
@@ -56,61 +56,61 @@ export const SHORTCUT_DEFINITIONS: ShortcutDefinition[] = [
 	id:              'global.focusSearch',
 	label:           '検索欄へ移動',
 	scope:           'global',
-	defaultBinding:  { key: 's', alt: true },
+	defaultBinding:  { key: '/' },
     },
     {
 	id:              'navigation.posts',
 	label:           '広場へ移動',
 	scope:           'global',
-	defaultBinding:  { key: 'p', alt: true, shift: true },
+	defaultBinding:  { key: 'p' },
     },
     {
 	id:              'navigation.tags',
 	label:           'タグへ移動',
 	scope:           'global',
-	defaultBinding:  { key: 't', alt: true, shift: true },
+	defaultBinding:  { key: 't' },
     },
     {
 	id:              'navigation.materials',
 	label:           '素材へ移動',
 	scope:           'global',
-	defaultBinding:  { key: 'm', alt: true, shift: true },
+	defaultBinding:  { key: 'm' },
     },
     {
 	id:              'navigation.wiki',
 	label:           'Wiki へ移動',
 	scope:           'global',
-	defaultBinding:  { key: 'w', alt: true, shift: true },
+	defaultBinding:  { key: 'w' },
     },
     {
 	id:              'pagination.next',
 	label:           '次のページへ移動',
 	scope:           'global',
-	defaultBinding:  { key: 'ArrowRight', shift: true },
+	defaultBinding:  { key: 'ArrowRight' },
     },
     {
 	id:              'pagination.previous',
 	label:           '前のページへ移動',
 	scope:           'global',
-	defaultBinding:  { key: 'ArrowLeft', shift: true },
+	defaultBinding:  { key: 'ArrowLeft' },
     },
     {
 	id:              'settings.account',
 	label:           '設定: アカウント',
 	scope:           'settings',
-	defaultBinding:  { key: '1', alt: true },
+	defaultBinding:  { key: '1' },
     },
     {
 	id:              'settings.theme',
 	label:           '設定: テーマ',
 	scope:           'settings',
-	defaultBinding:  { key: '2', alt: true },
+	defaultBinding:  { key: '2' },
     },
     {
 	id:              'settings.keyboard',
 	label:           '設定: キーボード',
 	scope:           'settings',
-	defaultBinding:  { key: '3', alt: true },
+	defaultBinding:  { key: '3' },
     },
 ]