diff --git a/apps/client/src/scenes/game/GameManager.ts b/apps/client/src/scenes/game/GameManager.ts
index 2251d3b..3fd2f58 100644
--- a/apps/client/src/scenes/game/GameManager.ts
+++ b/apps/client/src/scenes/game/GameManager.ts
@@ -14,6 +14,7 @@
 import { GameLoop } from "./application/GameLoop";
 import { BombHitContextProvider } from "./application/BombHitContextProvider";
 import { BombHitOrchestrator } from "./application/BombHitOrchestrator";
+import type { BombHitEvaluationResult } from "./application/BombHitOrchestrator";
 import type { GamePlayers } from "./application/game.types";
 
 /** ゲームシーンの実行ライフサイクルを管理するマネージャー */
@@ -97,56 +98,10 @@
 
     this.container.appendChild(this.app.canvas);
 
-    // 背景マップの配置
-    const gameMap = new GameMapController(this.appearanceResolver);
-    this.gameMap = gameMap;
-    this.worldContainer.addChild(gameMap.getDisplayObject());
-    this.app.stage.addChild(this.worldContainer);
-
-    this.networkSync = new GameNetworkSync({
-      worldContainer: this.worldContainer,
-      players: this.players,
-      myId: this.myId,
-      gameMap: this.gameMap,
-      appearanceResolver: this.appearanceResolver,
-      onGameStart: this.setGameStart.bind(this),
-      onGameEnd: this.lockInput.bind(this),
-      onBombPlacedFromOthers: (payload) => {
-        this.applyPlacedBombFromOthers(payload);
-      },
-      onBombPlacedAckFromNetwork: (payload) => {
-        this.applyPlacedBombAck(payload);
-      },
-    });
-    this.networkSync.bind();
-
-    const bombHitContextProvider = new BombHitContextProvider({
-      players: this.players,
-      myId: this.myId,
-    });
-    this.bombHitOrchestrator = new BombHitOrchestrator({
-      contextProvider: bombHitContextProvider,
-    });
-
-    this.bombManager = new BombManager({
-      worldContainer: this.worldContainer,
-      players: this.players,
-      myId: this.myId,
-      getElapsedMs: () => this.timer.getElapsedMs(),
-      appearanceResolver: this.appearanceResolver,
-      onBombExploded: (payload) => {
-        this.bombHitOrchestrator?.handleBombExploded(payload);
-      },
-    });
-
-    this.gameLoop = new GameLoop({
-      app: this.app,
-      worldContainer: this.worldContainer,
-      players: this.players,
-      myId: this.myId,
-      getJoystickInput: () => this.joystickInput,
-      bombManager: this.bombManager,
-    });
+    this.initializeWorld();
+    this.initializeNetworkSync();
+    this.initializeBombSubsystem();
+    this.initializeGameLoop();
 
     // サーバーへゲーム準備完了を通知
     socketManager.game.readyForGame();
@@ -171,6 +126,78 @@
     this.gameLoop?.tick(ticker);
   };
 
+  /** 背景マップとワールド描画コンテナを初期化する */
+  private initializeWorld(): void {
+    const gameMap = new GameMapController(this.appearanceResolver);
+    this.gameMap = gameMap;
+    this.worldContainer.addChild(gameMap.getDisplayObject());
+    this.app.stage.addChild(this.worldContainer);
+  }
+
+  /** ネットワーク購読を初期化してバインドする */
+  private initializeNetworkSync(): void {
+    this.networkSync = new GameNetworkSync({
+      worldContainer: this.worldContainer,
+      players: this.players,
+      myId: this.myId,
+      gameMap: this.gameMap,
+      appearanceResolver: this.appearanceResolver,
+      onGameStart: this.setGameStart.bind(this),
+      onGameEnd: this.lockInput.bind(this),
+      onBombPlacedFromOthers: (payload) => {
+        this.applyPlacedBombFromOthers(payload);
+      },
+      onBombPlacedAckFromNetwork: (payload) => {
+        this.applyPlacedBombAck(payload);
+      },
+    });
+    this.networkSync.bind();
+  }
+
+  /** 爆弾管理と当たり判定橋渡しを初期化する */
+  private initializeBombSubsystem(): void {
+    const bombHitContextProvider = new BombHitContextProvider({
+      players: this.players,
+      myId: this.myId,
+    });
+    this.bombHitOrchestrator = new BombHitOrchestrator({
+      contextProvider: bombHitContextProvider,
+    });
+
+    this.bombManager = new BombManager({
+      worldContainer: this.worldContainer,
+      players: this.players,
+      myId: this.myId,
+      getElapsedMs: () => this.timer.getElapsedMs(),
+      appearanceResolver: this.appearanceResolver,
+      onBombExploded: (payload) => {
+        const result = this.bombHitOrchestrator?.handleBombExploded(payload);
+        this.handleBombHitEvaluation(result);
+      },
+    });
+  }
+
+  /** ゲームループを初期化する */
+  private initializeGameLoop(): void {
+    if (!this.bombManager) {
+      return;
+    }
+
+    this.gameLoop = new GameLoop({
+      app: this.app,
+      worldContainer: this.worldContainer,
+      players: this.players,
+      myId: this.myId,
+      getJoystickInput: () => this.joystickInput,
+      bombManager: this.bombManager,
+    });
+  }
+
+  /** 爆弾当たり判定の評価結果を受け取り，後続処理へ接続する */
+  private handleBombHitEvaluation(_result: BombHitEvaluationResult | undefined): void {
+    // 次フェーズでサーバー通知や被弾演出の接続に利用する
+  }
+
   /**
    * クリーンアップ処理（コンポーネントアンマウント時）
    */
diff --git a/apps/client/src/scenes/game/application/BombHitOrchestrator.ts b/apps/client/src/scenes/game/application/BombHitOrchestrator.ts
index 0def7b5..3d6b337 100644
--- a/apps/client/src/scenes/game/application/BombHitOrchestrator.ts
+++ b/apps/client/src/scenes/game/application/BombHitOrchestrator.ts
@@ -1,7 +1,7 @@
 /**
  * BombHitOrchestrator
  * 爆弾爆発イベントとローカルプレイヤー情報を橋渡しして当たり判定を実行する
- * 同一爆弾の重複判定を抑止して当たり判定を実行する
+ * 判定結果を呼び出し元へ返して後続処理へ接続しやすくする
  */
 import { checkBombHit } from "@client/scenes/game/entities/bomb/BombHitDetector";
 import type { BombExplodedPayload } from "@client/scenes/game/entities/bomb/BombManager";
@@ -12,6 +12,9 @@
   contextProvider: BombHitContextProvider;
 };
 
+/** 爆弾爆発イベントの判定結果を表す型 */
+export type BombHitEvaluationResult = "duplicate" | "missing-local-player" | "no-hit" | "hit";
+
 /** 爆弾当たり判定の実行順序を制御する */
 export class BombHitOrchestrator {
   private contextProvider: BombHitContextProvider;
@@ -21,16 +24,16 @@
     this.contextProvider = contextProvider;
   }
 
-  /** 爆弾爆発イベントを受けて当たり判定を実行する */
-  public handleBombExploded(payload: BombExplodedPayload): void {
+  /** 爆弾爆発イベントを受けて当たり判定を実行し結果を返す */
+  public handleBombExploded(payload: BombExplodedPayload): BombHitEvaluationResult {
     if (this.handledBombIds.has(payload.bombId)) {
-      return;
+      return "duplicate";
     }
 
     this.handledBombIds.add(payload.bombId);
     const localPlayer = this.contextProvider.getLocalPlayerCircle();
     if (!localPlayer) {
-      return;
+      return "missing-local-player";
     }
 
     const result = checkBombHit({
@@ -44,9 +47,11 @@
     });
 
     if (!result.isHit) {
-      return;
+      return "no-hit";
     }
 
+    return "hit";
+
   }
 
   /** 判定済み状態を初期化する */
diff --git a/apps/client/src/scenes/game/application/GameLoop.ts b/apps/client/src/scenes/game/application/GameLoop.ts
index 723411a..b04bdb3 100644
--- a/apps/client/src/scenes/game/application/GameLoop.ts
+++ b/apps/client/src/scenes/game/application/GameLoop.ts
@@ -57,7 +57,7 @@
       isMoving,
     });
 
-    this.bombStep.run();
+    this.bombStep.run({ deltaSeconds });
 
     this.cameraStep.run({
       app: this.app,
diff --git a/apps/client/src/scenes/game/application/loopSteps/BombStep.ts b/apps/client/src/scenes/game/application/loopSteps/BombStep.ts
index 326c39d..38c9d0f 100644
--- a/apps/client/src/scenes/game/application/loopSteps/BombStep.ts
+++ b/apps/client/src/scenes/game/application/loopSteps/BombStep.ts
@@ -10,6 +10,11 @@
   bombManager: BombManager;
 };
 
+/** 爆弾更新段の実行入力 */
+type BombStepParams = {
+  deltaSeconds: number;
+};
+
 /** 爆弾更新処理を担うステップ */
 export class BombStep {
   private bombManager: BombManager;
@@ -19,7 +24,7 @@
   }
 
   /** 爆弾更新を実行する */
-  public run(): void {
+  public run(_params: BombStepParams): void {
     this.bombManager.tick();
   }
 }
diff --git a/apps/client/src/scenes/game/entities/bomb/BombView.ts b/apps/client/src/scenes/game/entities/bomb/BombView.ts
index 7c8dba1..ee04526 100644
--- a/apps/client/src/scenes/game/entities/bomb/BombView.ts
+++ b/apps/client/src/scenes/game/entities/bomb/BombView.ts
@@ -11,6 +11,8 @@
 /** 爆弾の描画表現を管理するビュー */
 export class BombView {
   public readonly displayObject: Container;
+  private static bombTexturePromise: Promise<Texture> | null = null;
+  private static bombTexture: Texture | null = null;
 
   private bombSprite: Sprite;
   private bombFallbackGraphic: Graphics;
@@ -42,7 +44,7 @@
     const imageUrl = `${import.meta.env.BASE_URL}Bomb.svg`;
 
     try {
-      const texture = await Assets.load(imageUrl);
+      const texture = await BombView.loadBombTexture(imageUrl);
       if (this.isDestroyed || this.bombSprite.destroyed) {
         return;
       }
@@ -59,6 +61,21 @@
     }
   }
 
+  /** 爆弾テクスチャを共有キャッシュ経由で取得する */
+  private static async loadBombTexture(imageUrl: string): Promise<Texture> {
+    if (BombView.bombTexture) {
+      return BombView.bombTexture;
+    }
+
+    if (!BombView.bombTexturePromise) {
+      BombView.bombTexturePromise = Assets.load<Texture>(imageUrl);
+    }
+
+    const loadedTexture = await BombView.bombTexturePromise;
+    BombView.bombTexture = loadedTexture;
+    return loadedTexture;
+  }
+
   public syncPosition(gridX: number, gridY: number): void {
     const { GRID_CELL_SIZE } = config.GAME_CONFIG;