diff --git a/frontend/index.html b/frontend/index.html
index 3dc62fe..be2dbf6 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -8,6 +8,6 @@
   </head>
   <body>
     <div id="root"></div>
-    <script type="module" src="/main.js" defer></script>
+    <script type="module" src="./src/main.tsx" defer></script>
   </body>
 </html>
diff --git a/frontend/vite.config.ts b/frontend/vite.config.ts
index aafc248..4ea1b90 100644
--- a/frontend/vite.config.ts
+++ b/frontend/vite.config.ts
@@ -12,5 +12,9 @@ export default defineConfig({
     rollupOptions: {
       input: "index.html",
     },
+    // モジュール解決を明示
+    commonjsOptions: {
+      include: [],
+    },
   },
 });
