diff --git a/frontend/next-env.d.ts b/frontend/next-env.d.ts
index 725dd6f..a4a7b3f 100644
--- a/frontend/next-env.d.ts
+++ b/frontend/next-env.d.ts
@@ -1,6 +1,5 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-/// <reference types="next/navigation-types/compat/navigation" />
 
 // NOTE: This file should not be edited
-// see https://nextjs.org/docs/app/building-your-application/configuring/typescript for more information.
+// see https://nextjs.org/docs/pages/building-your-application/configuring/typescript for more information.
diff --git a/frontend/package.json b/frontend/package.json
index 10227a1..193c417 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -2,7 +2,11 @@
   "name": "explorer-frontend",
   "version": "1.0.0",
   "private": true,
-  "packageManager": "pnpm@10.0.0",
+  "packageManager": "npm@10.8.2",
+  "engines": {
+    "node": ">=20.0.0 <21.0.0",
+    "npm": ">=10.0.0"
+  },
   "scripts": {
     "dev": "sh -c 'HOST=${HOST:-127.0.0.1}; PORT=${PORT:-3000}; next dev -H \"$HOST\" -p \"$PORT\"'",
     "build": "next build",
diff --git a/frontend/src/pages/_app.tsx b/frontend/src/pages/_app.tsx
index 45f1791..df61bfe 100644
--- a/frontend/src/pages/_app.tsx
+++ b/frontend/src/pages/_app.tsx
@@ -1,5 +1,5 @@
 import type { AppProps } from 'next/app'
-import '../app/globals.css'
+import '../styles/globals.css'
 import ExplorerChrome from '@/components/common/ExplorerChrome'
 
 export default function App({ Component, pageProps }: AppProps) {
diff --git a/frontend/src/app/globals.css b/frontend/src/styles/globals.css
similarity index 100%
rename from frontend/src/app/globals.css
rename to frontend/src/styles/globals.css
diff --git a/frontend/tailwind.config.js b/frontend/tailwind.config.js
index dbef803..44a5d42 100644
--- a/frontend/tailwind.config.js
+++ b/frontend/tailwind.config.js
@@ -1,9 +1,9 @@
 /** @type {import('tailwindcss').Config} */
 module.exports = {
   content: [
-    './src/app/**/*.{js,ts,jsx,tsx,mdx}',
     './src/pages/**/*.{js,ts,jsx,tsx,mdx}',
     './src/components/**/*.{js,ts,jsx,tsx,mdx}',
+    './src/styles/**/*.css',
   ],
   theme: {
     extend: {