diff --git a/lib/ui/home_page.dart b/lib/ui/home_page.dart
index 9244980..f92f9f8 100644
--- a/lib/ui/home_page.dart
+++ b/lib/ui/home_page.dart
@@ -1075,7 +1075,53 @@ class _VideoDetail extends StatelessWidget {
 
   Widget _list(BuildContext context, MediaInfo? info, StreamInfo? video, int audioCount, bool locked,
       {Widget? moveButtons, double bottom = 88}) {
-    final side = isCompact(context) ? 12.0 : 20.0;
+    final compact = isCompact(context);
+    final side = compact ? 12.0 : 20.0;
+    // 198: 마지막 AI 자막의 원어를 자동 감지했으면 - 알림을 놓쳐도 여기서 다른 언어로 다시 만들 수 있게
+    final detected = v.aiDetected == null
+        ? null
+        : Wrap(crossAxisAlignment: WrapCrossAlignment.center, spacing: 8, children: [
+            Text(trf('감지한 언어: {0} (자동 감지)', [languageOf(v.aiDetected).name]),
+                style: const TextStyle(fontSize: 12, color: JjColors.textDim)),
+            TextButton(
+              onPressed: c.busy
+                  ? null
+                  : () async {
+                      final lang = await pickSourceLanguage(context, languageOf(v.aiDetected));
+                      if (lang != null) await c.generateAiSubtitles([v], c.aiOptions.copyWith(source: lang));
+                    },
+              child: Text(tr('다른 언어로 다시')),
+            ),
+          ]);
+    // 자막 머리 줄: 좁으면 버튼이 다음 줄로 (오른쪽 정렬)
+    final subtitleActions = Row(crossAxisAlignment: CrossAxisAlignment.start, children: [
+      Padding(
+        padding: const EdgeInsets.only(top: 8),
+        child: Text(tr('자막'), style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600)),
+      ),
+      const SizedBox(width: 16),
+      Expanded(
+        child: Wrap(alignment: WrapAlignment.end, spacing: 8, runSpacing: 8, children: [
+          if (c.aiAvailable)
+            FilledButton.icon(
+              onPressed: locked || c.ffmpegVersion == null ? null : () => showAiDialog(context, c, v),
+              icon: const Icon(Icons.auto_awesome, size: 18),
+              label: Text(tr('AI 자막 만들기')),
+            ),
+          if (c.subtitleProvider != null)
+            OutlinedButton.icon(
+              onPressed: locked ? null : () => showSubtitleSearch(context, c, v),
+              icon: const Icon(Icons.travel_explore, size: 18),
+              label: Text(tr('인터넷 자막 찾기')),
+            ),
+          OutlinedButton.icon(
+            onPressed: locked ? null : () => c.pickSubtitlesFor(v),
+            icon: const Icon(Icons.subtitles_outlined, size: 18),
+            label: Text(tr('자막 파일 추가')),
+          ),
+        ]),
+      ),
+    ]);
     return ListView(
       padding: EdgeInsets.fromLTRB(side, side, side, bottom),
       children: [
@@ -1111,26 +1157,16 @@ class _VideoDetail extends StatelessWidget {
           ],
           _Chip(trf('음성 {0}개', [audioCount])),
         ]),
-        if (moveButtons != null) ...[
-          const SizedBox(height: 10),
-          moveButtons,
-        ],
-        // 198: 마지막 AI 자막의 원어를 자동 감지했으면 - 알림을 놓쳐도 여기서 다른 언어로 다시 만들 수 있게
-        if (v.aiDetected != null) ...[
-          const SizedBox(height: 8),
-          Wrap(crossAxisAlignment: WrapCrossAlignment.center, spacing: 8, children: [
-            Text(trf('감지한 언어: {0} (자동 감지)', [languageOf(v.aiDetected).name]),
-                style: const TextStyle(fontSize: 12, color: JjColors.textDim)),
-            TextButton(
-              onPressed: c.busy
-                  ? null
-                  : () async {
-                      final lang = await pickSourceLanguage(context, languageOf(v.aiDetected));
-                      if (lang != null) await c.generateAiSubtitles([v], c.aiOptions.copyWith(source: lang));
-                    },
-              child: Text(tr('다른 언어로 다시')),
-            ),
-          ]),
+        // 261: 좁은 화면 (폰 세로) 은 세부 정보 칸이 낮다 (노트 10+ 에서 약 210) - "감지한 언어" 줄 · 이동 버튼이
+        // [AI 자막 만들기] 를 칸 밖으로 밀었다. 자막 버튼을 칩 바로 아래에 두고, 감지한 언어 · 이동 버튼은 그 다음
+        if (compact) ...[
+          const SizedBox(height: 12),
+          subtitleActions,
+          if (detected != null) ...[const SizedBox(height: 4), detected],
+          if (moveButtons != null) ...[const SizedBox(height: 10), moveButtons],
+        ] else ...[
+          if (moveButtons != null) ...[const SizedBox(height: 10), moveButtons],
+          if (detected != null) ...[const SizedBox(height: 8), detected],
         ],
         if (v.message != null) ...[
           const SizedBox(height: 12),
@@ -1144,36 +1180,10 @@ class _VideoDetail extends StatelessWidget {
                 style: const TextStyle(color: JjColors.danger, fontSize: 12)),
           ),
         ],
-        const SizedBox(height: 24),
-        // 좁으면 버튼이 다음 줄로 (오른쪽 정렬)
-        Row(crossAxisAlignment: CrossAxisAlignment.start, children: [
-          Padding(
-            padding: const EdgeInsets.only(top: 8),
-            child: Text(tr('자막'), style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600)),
-          ),
-          const SizedBox(width: 16),
-          Expanded(
-            child: Wrap(alignment: WrapAlignment.end, spacing: 8, runSpacing: 8, children: [
-              if (c.aiAvailable)
-                FilledButton.icon(
-                  onPressed: locked || c.ffmpegVersion == null ? null : () => showAiDialog(context, c, v),
-                  icon: const Icon(Icons.auto_awesome, size: 18),
-                  label: Text(tr('AI 자막 만들기')),
-                ),
-              if (c.subtitleProvider != null)
-                OutlinedButton.icon(
-                  onPressed: locked ? null : () => showSubtitleSearch(context, c, v),
-                  icon: const Icon(Icons.travel_explore, size: 18),
-                  label: Text(tr('인터넷 자막 찾기')),
-                ),
-              OutlinedButton.icon(
-                onPressed: locked ? null : () => c.pickSubtitlesFor(v),
-                icon: const Icon(Icons.subtitles_outlined, size: 18),
-                label: Text(tr('자막 파일 추가')),
-              ),
-            ]),
-          ),
-        ]),
+        if (!compact) ...[
+          const SizedBox(height: 24),
+          subtitleActions,
+        ],
         const SizedBox(height: 8),
         if (v.subtitles.isEmpty)
           Padding(
diff --git a/test/mkv_portrait_detail_test.dart b/test/mkv_portrait_detail_test.dart
new file mode 100644
index 0000000..32bbeaa
--- /dev/null
+++ b/test/mkv_portrait_detail_test.dart
@@ -0,0 +1,41 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:jj_mkvmaker/app/app_controller.dart';
+import 'package:jj_mkvmaker/app/settings.dart';
+import 'package:jj_mkvmaker/core/models.dart';
+import 'package:jj_mkvmaker/platform/windows/desktop_storage_service.dart';
+import 'package:jj_mkvmaker/platform/windows/process_media_tool.dart';
+import 'package:jj_mkvmaker/services/platform_services.dart';
+import 'package:jj_mkvmaker/ui/home_page.dart';
+
+/// 261: 폰 세로 (노트 10+ 412×869) 의 MKV 세부 정보 - "감지한 언어" 줄이 생겨도 [AI 자막 만들기] 가 밀려 가려지지 않는다
+void main() {
+  for (final detected in [false, true]) {
+    testWidgets('261: 폰 세로 · 작업 기록 켬 · 감지한 언어 ${detected ? '있음' : '없음'} - [AI 자막 만들기] 가 스크롤 없이 보인다', (tester) async {
+      tester.view.physicalSize = const Size(412, 869);
+      tester.view.devicePixelRatio = 1;
+      addTearDown(tester.view.reset);
+      final c = AppController(PlatformServices(
+        mediaTool: ProcessMediaTool('x', 'y'),
+        storage: DesktopStorageService(),
+        createRecognizer: () => throw UnimplementedError(),
+        createTranslator: () => throw UnimplementedError(),
+      ));
+      c.settings.showLog = true;
+      c.settings.moveTargets = [MoveTarget('보관', r'D:\보관')];
+      for (var i = 1; i <= 4; i++) {
+        c.videos.add(VideoItem('D:/v/아주 긴 이름의 동영상 파일 $i.mp4'));
+      }
+      c.selected = c.videos.first..aiDetected = detected ? 'en' : null;
+      await tester.pumpWidget(MaterialApp(home: HomePage(c: c)));
+      await tester.pump();
+      expect(tester.takeException(), isNull);
+      final ai = find.text('AI 자막 만들기');
+      // 화면 밖이면 ListView 가 아예 만들지 않는다
+      expect(ai, findsOneWidget, reason: '세부 정보 칸 아래로 밀림');
+      final view = tester.getRect(find.ancestor(of: ai, matching: find.byType(Scrollable)).first);
+      final button = tester.getRect(ai);
+      expect(button.bottom, lessThanOrEqualTo(view.bottom), reason: '버튼 $button · 세부 정보 칸 $view');
+    });
+  }
+}