diff --git a/lib/screens/capture_screen.dart b/lib/screens/capture_screen.dart
index e1f7f21..26d4f2c 100644
--- a/lib/screens/capture_screen.dart
+++ b/lib/screens/capture_screen.dart
@@ -24,6 +24,7 @@
   int? _countdown;
   Timer? _countdownTimer;
   Uint8List? _snapshotBytes;
+  bool _hideOverlay = false;
   final _rawCaptureService = RawCaptureService();
 
   @override
@@ -65,7 +66,10 @@
   }
 
   Future<void> _captureWithSnapshot() async {
-    // PixelCopy でカメラ領域のスナップショットを瞬時に取得
+    // オーバーレイを非表示にしてからキャプチャ
+    setState(() => _hideOverlay = true);
+    await Future.delayed(const Duration(milliseconds: 50));
+
     try {
       if (!mounted) return;
       final renderBox = context.findRenderObject() as RenderBox?;
@@ -84,10 +88,13 @@
           width: (size.width * ratio).round(),
           height: (size.height * ratio).round(),
         );
-        setState(() => _snapshotBytes = bytes);
+        setState(() {
+          _snapshotBytes = bytes;
+          _hideOverlay = false;
+        });
       }
     } catch (_) {
-      // 失敗しても撮影は続行
+      setState(() => _hideOverlay = false);
     }
 
     if (!mounted) return;
@@ -230,44 +237,46 @@
             ),
           ),
         // タイマー切り替えボタン（左側）
-        Positioned(
-          left: 24,
-          bottom: 36,
-          child: GestureDetector(
-            onTap: () {
-              _cancelCountdown();
-              setState(() => _timerEnabled = !_timerEnabled);
-            },
-            child: Stack(
-              alignment: Alignment.center,
-              children: [
-                Icon(
-                  _timerEnabled ? Icons.timer : Icons.timer_off,
-                  color: Colors.black,
-                  size: 40,
-                ),
-                Icon(
-                  _timerEnabled ? Icons.timer : Icons.timer_off,
-                  color: _timerEnabled ? Colors.yellow : Colors.grey,
-                  size: 32,
-                ),
-              ],
+        if (!cameraProvider.isSaving && !_hideOverlay)
+          Positioned(
+            left: 24,
+            bottom: 36,
+            child: GestureDetector(
+              onTap: () {
+                _cancelCountdown();
+                setState(() => _timerEnabled = !_timerEnabled);
+              },
+              child: Stack(
+                alignment: Alignment.center,
+                children: [
+                  Icon(
+                    _timerEnabled ? Icons.timer : Icons.timer_off,
+                    color: Colors.black,
+                    size: 40,
+                  ),
+                  Icon(
+                    _timerEnabled ? Icons.timer : Icons.timer_off,
+                    color: _timerEnabled ? Colors.yellow : Colors.grey,
+                    size: 32,
+                  ),
+                ],
+              ),
             ),
           ),
-        ),
         // シャッターボタン（中央）
-        Positioned(
-          left: 0,
-          right: 0,
-          bottom: 24,
-          child: Center(
-            child: ShutterButton(
-              onPressed: cameraProvider.isSaving || _countdown != null
-                  ? () {}
-                  : _onShutterPressed,
+        if (!cameraProvider.isSaving && !_hideOverlay)
+          Positioned(
+            left: 0,
+            right: 0,
+            bottom: 24,
+            child: Center(
+              child: ShutterButton(
+                onPressed: cameraProvider.isSaving || _countdown != null
+                    ? () {}
+                    : _onShutterPressed,
+              ),
             ),
           ),
-        ),
       ],
     );
   }