diff --git a/apps/client/src/app.tsx b/apps/client/src/app.tsx
index 5c6272a..8eb8a07 100644
--- a/apps/client/src/app.tsx
+++ b/apps/client/src/app.tsx
@@ -1,4 +1,4 @@
-import { socketManager } from "./network/SocketManager";
+import { socketManager } from "@client/network/SocketManager";
 import { useAppFlow } from "./hooks/useAppFlow";
 
 // 画面遷移先シーンコンポーネント群
diff --git a/apps/client/src/hooks/useAppFlow.ts b/apps/client/src/hooks/useAppFlow.ts
index 867b4d0..a891fc9 100644
--- a/apps/client/src/hooks/useAppFlow.ts
+++ b/apps/client/src/hooks/useAppFlow.ts
@@ -1,5 +1,5 @@
 import { useEffect, useState } from "react";
-import { socketManager } from "../network/SocketManager";
+import { socketManager } from "@client/network/SocketManager";
 import { appConsts } from "@repo/shared";
 import type { appTypes, roomTypes } from "@repo/shared";
 
diff --git a/apps/client/src/scenes/game/GameManager.ts b/apps/client/src/scenes/game/GameManager.ts
index 0a31e31..2d60ceb 100644
--- a/apps/client/src/scenes/game/GameManager.ts
+++ b/apps/client/src/scenes/game/GameManager.ts
@@ -1,5 +1,5 @@
 import { Application, Container, Ticker } from "pixi.js";
-import { socketManager } from "../../network/SocketManager";
+import { socketManager } from "@client/network/SocketManager";
 import { config } from "@repo/shared";
 import type { playerTypes } from "@repo/shared";
 import { BasePlayer, LocalPlayer, RemotePlayer } from "./Player";
diff --git a/apps/client/tsconfig.app.json b/apps/client/tsconfig.app.json
index ed628d5..20bf754 100644
--- a/apps/client/tsconfig.app.json
+++ b/apps/client/tsconfig.app.json
@@ -17,6 +17,11 @@
     
     // ↓ ここが重要：React用に設定
     "jsx": "react-jsx",
+
+    "baseUrl": ".",
+    "paths": {
+      "@client/*": ["src/*"]
+    },
     
     // ⚠️ 削除したもの:
     // - "paths": { ... } (Preactへの誘導を削除)
diff --git a/apps/client/vite.config.ts b/apps/client/vite.config.ts
index 04fb3d8..6af4a54 100644
--- a/apps/client/vite.config.ts
+++ b/apps/client/vite.config.ts
@@ -1,4 +1,5 @@
 import { defineConfig } from 'vite'
+import path from 'node:path'
 import react from '@vitejs/plugin-react'
 import { config } from '@repo/shared'
 
@@ -8,6 +9,11 @@
 
   return {
     plugins: [react()],
+    resolve: {
+      alias: {
+        '@client': path.resolve(__dirname, 'src'),
+      },
+    },
     server: isProd
       ? undefined
       : {