diff --git a/apps/desktop/.env b/apps/desktop/.env
index d742d05..9be1958 100644
--- a/apps/desktop/.env
+++ b/apps/desktop/.env
@@ -11,3 +11,6 @@ VITE_AI_MODEL=gpt-5.2
 
 # 自身のURL (現在はOGP画像指定でのみ使用)
 VITE_SITE_URL=https://tsumugi-chan.com
+
+# Google
+VITE_GOOGLE_VERIFICATION=
\ No newline at end of file
diff --git a/apps/desktop/app/root.tsx b/apps/desktop/app/root.tsx
index 932732a..da6657e 100644
--- a/apps/desktop/app/root.tsx
+++ b/apps/desktop/app/root.tsx
@@ -91,6 +91,17 @@ export const meta: MetaFunction = () => {
     },
     { name: 'twitter:image', content: `${SITE_URL}/og-image.png` },
     { name: 'twitter:image:alt', content: 'Tsumugi - 小説執筆支援ツール' },
+
+    // Google
+    ...(import.meta.env.VITE_GOOGLE_VERIFICATION &&
+    import.meta.env.VITE_GOOGLE_VERIFICATION.length !== 0
+      ? [
+          {
+            name: 'google-site-verification',
+            content: import.meta.env.VITE_GOOGLE_VERIFICATION,
+          },
+        ]
+      : []),
   ];
 };