diff --git a/frontend/next.config.js b/frontend/next.config.js
index 0288026..2b4a2fc 100644
--- a/frontend/next.config.js
+++ b/frontend/next.config.js
@@ -1,7 +1,6 @@
 /** @type {import('next').NextConfig} */
 const nextConfig = {
   reactStrictMode: true,
-  swcMinify: true,
   // 他のカスタム設定をここに追加
 };
 
diff --git a/frontend/src/app/layout.tsx b/frontend/src/app/layout.tsx
index a8a2f33..031a154 100644
--- a/frontend/src/app/layout.tsx
+++ b/frontend/src/app/layout.tsx
@@ -1,3 +1,5 @@
+"use client";
+
 import React from "react";
 import "./globals.css";
 
@@ -17,7 +19,6 @@ export default function RootLayout({
         <div className="container">
           <header className="py-4 border-b">
             <h1 className="text-2xl font-bold">ポッドキャスト管理画面</h1>
-          </h1>
           </header>
           <main className="py-6">{children}</main>
           <footer className="py-4 border-t text-center text-gray-500">
diff --git a/frontend/src/components/EpisodePlayer.tsx b/frontend/src/components/EpisodePlayer.tsx
index 7b2cbb8..fc0b3c3 100644
--- a/frontend/src/components/EpisodePlayer.tsx
+++ b/frontend/src/components/EpisodePlayer.tsx
@@ -1,3 +1,5 @@
+"use client";
+
 import React, { useState } from "react";
 
 interface Episode {
diff --git a/frontend/src/components/FeedList.tsx b/frontend/src/components/FeedList.tsx
index d751b58..9580bdc 100644
--- a/frontend/src/components/FeedList.tsx
+++ b/frontend/src/components/FeedList.tsx
@@ -1,3 +1,5 @@
+"use client";
+
 import React, { useEffect, useState } from "react";
 
 interface FeedItem {