diff --git a/app/lib/core/router/app_router.dart b/app/lib/core/router/app_router.dart
index 0cbc99d..59d102d 100644
--- a/app/lib/core/router/app_router.dart
+++ b/app/lib/core/router/app_router.dart
@@ -29,11 +29,11 @@ class AppTab {
 /// 라벨 문자열과 순서는 스모크 테스트가 정확 일치로 검증한다.
 /// 아이콘은 아직 확정 자산이 없어 Material 기본 아이콘을 쓴다(README 「미투입 항목」).
 const List<AppTab> appTabs = [
-  AppTab(label: 'HOME', path: '/home', icon: Icons.checklist_rtl),
-  AppTab(label: 'INSIDE', path: '/inside', icon: Icons.forum_outlined),
-  AppTab(label: 'GALAXY', path: '/galaxy', icon: Icons.public),
+  AppTab(label: 'HOME', path: '/home', icon: Icons.home_outlined),
+  AppTab(label: 'INSIDE', path: '/inside', icon: Icons.chat_bubble_outline),
+  AppTab(label: 'GALAXY', path: '/galaxy', icon: Icons.auto_awesome_outlined),
   AppTab(label: 'STATION', path: '/station', icon: Icons.storefront_outlined),
-  AppTab(label: 'MY', path: '/my', icon: Icons.person_outline),
+  AppTab(label: 'MY', path: '/my', icon: Icons.account_circle_outlined),
 ];
 
 const String loginPath = '/login';
diff --git a/app/lib/core/theme/app_theme.dart b/app/lib/core/theme/app_theme.dart
index 0f36e8b..cc3aa37 100644
--- a/app/lib/core/theme/app_theme.dart
+++ b/app/lib/core/theme/app_theme.dart
@@ -50,18 +50,30 @@ ThemeData buildAppTheme() {
       surfaceTintColor: Colors.transparent,
       centerTitle: true,
     ),
+    // 시안 Bottom Navigation(350:215853) — 바탕 #141414, 알약 표시자 없음, 아이콘 24,
+    // 라벨 ABeeZee 10. 활성은 흰색, 비활성은 #777777.
     navigationBarTheme: NavigationBarThemeData(
-      backgroundColor: AppColors.cosmicSurface,
+      backgroundColor: AppColors.cosmicVoid,
       surfaceTintColor: Colors.transparent,
-      indicatorColor: AppColors.cosmicSurfaceRaised,
+      indicatorColor: Colors.transparent,
       // 탭 항목 높이는 touch-min-app(48) 아래로 내리지 않는다.
       height: AppSizing.touchMinApp + AppSpace.s5,
+      iconTheme: WidgetStateProperty.resolveWith(
+        (states) => IconThemeData(
+          size: 24,
+          color: states.contains(WidgetState.selected)
+              ? AppColors.onCosmic
+              : AppColors.onCosmicMuted,
+        ),
+      ),
       labelTextStyle: WidgetStateProperty.resolveWith(
-        (states) => _style(
-          AppType.caption,
-          states.contains(WidgetState.selected)
-              ? AppColors.cosmicAccent
-              : AppColors.onCosmicVariant,
+        (states) => TextStyle(
+          fontFamily: AppFonts.display,
+          fontSize: 10,
+          letterSpacing: 0.2,
+          color: states.contains(WidgetState.selected)
+              ? AppColors.onCosmic
+              : AppColors.onCosmicMuted,
         ),
       ),
     ),