diff --git a/lib/src/features/game/game_play_screen.dart b/lib/src/features/game/game_play_screen.dart
index 256a1e8..eeebfba 100644
--- a/lib/src/features/game/game_play_screen.dart
+++ b/lib/src/features/game/game_play_screen.dart
@@ -74,11 +74,16 @@ class _GamePlayScreenState extends State<GamePlayScreen>
         _lastAct = newAct;
 
         // Phase 10: 엔딩 도달 시 클리어 처리 (시네마틱 대신 클리어 다이얼로그)
+        // 다음 프레임에서 실행 (리스너 콜백 중 showDialog 문제 방지)
         if (newAct == StoryAct.ending && state.traits.level >= 100) {
-          _handleGameClear(state);
+          WidgetsBinding.instance.addPostFrameCallback((_) {
+            if (mounted) _handleGameClear(state);
+          });
         } else {
           // 일반 Act 전환 시 시네마틱 표시
-          _showCinematicForAct(newAct);
+          WidgetsBinding.instance.addPostFrameCallback((_) {
+            if (mounted) _showCinematicForAct(newAct);
+          });
         }
       }
     }