diff --git a/apps/client/src/entities/Player.ts b/apps/client/src/entities/Player.ts
new file mode 100644
index 0000000..1652e75
--- /dev/null
+++ b/apps/client/src/entities/Player.ts
@@ -0,0 +1,22 @@
+import { Graphics } from 'pixi.js';
+import { GAME_CONFIG } from 'skill-semi-web-game-shared';
+
+export class Player extends Graphics {
+  constructor(color: number = 0xFF0000) {
+    super();
+    // プレイヤーを描画
+    this.circle(0, 0, GAME_CONFIG.PLAYER_RADIUS).fill(color);
+  }
+
+  // 移動メソッド
+  move(vx: number, vy: number, deltaTime: number) {
+    // 速度 * 時間 = 移動距離
+    const speed = GAME_CONFIG.PLAYER_SPEED * deltaTime;
+    this.x += vx * speed;
+    this.y += vy * speed;
+
+    // 画面外に出ないように制限（簡易版）
+    this.x = Math.max(0, Math.min(window.innerWidth, this.x));
+    this.y = Math.max(0, Math.min(window.innerHeight, this.y));
+  }
+}
\ No newline at end of file