diff --git a/apps/client/src/scenes/game/application/GameLoop.ts b/apps/client/src/scenes/game/application/GameLoop.ts
index 1ac43ba..74d807f 100644
--- a/apps/client/src/scenes/game/application/GameLoop.ts
+++ b/apps/client/src/scenes/game/application/GameLoop.ts
@@ -12,6 +12,7 @@
 import { SimulationStep } from "./loopSteps/SimulationStep";
 import { CameraStep } from "./loopSteps/CameraStep";
 import { BombStep } from "./loopSteps/BombStep";
+import type { LoopFrameContext, LoopStep } from "./loopSteps/LoopStep";
 import { resolveFrameDelta } from "./loopSteps/frameDelta";
 import type { MoveSender } from "./network/PlayerMoveSender";
 
@@ -35,6 +36,7 @@
   private simulationStep: SimulationStep;
   private bombStep: BombStep;
   private cameraStep: CameraStep;
+  private steps: LoopStep[];
 
   constructor({ app, worldContainer, players, myId, getJoystickInput, bombManager, moveSender }: GameLoopOptions) {
     this.app = app;
@@ -47,6 +49,12 @@
     });
     this.bombStep = new BombStep({ bombManager });
     this.cameraStep = new CameraStep();
+    this.steps = [
+      this.inputStep,
+      this.simulationStep,
+      this.bombStep,
+      this.cameraStep,
+    ];
   }
 
   public tick = (ticker: Ticker) => {
@@ -57,21 +65,17 @@
       ticker,
       config.GAME_CONFIG.FRAME_DELTA_MAX_MS,
     );
-    const { isMoving } = this.inputStep.run({ me, deltaSeconds });
-
-    this.simulationStep.run({
-      me,
-      players: this.players,
-      deltaSeconds,
-      isMoving,
-    });
-
-    this.bombStep.run();
-
-    this.cameraStep.run({
+    const frameContext: LoopFrameContext = {
       app: this.app,
       worldContainer: this.worldContainer,
+      players: this.players,
       me,
+      deltaSeconds,
+      isMoving: false,
+    };
+
+    this.steps.forEach((step) => {
+      step.run(frameContext);
     });
   };
 }
diff --git a/apps/client/src/scenes/game/application/loopSteps/BombStep.ts b/apps/client/src/scenes/game/application/loopSteps/BombStep.ts
index f7d9d71..3166a0c 100644
--- a/apps/client/src/scenes/game/application/loopSteps/BombStep.ts
+++ b/apps/client/src/scenes/game/application/loopSteps/BombStep.ts
@@ -4,6 +4,7 @@
  * 爆弾エンティティの時間更新と状態遷移を実行する
  */
 import { BombManager } from "@client/scenes/game/entities/bomb/BombManager";
+import type { LoopFrameContext, LoopStep } from "./LoopStep";
 
 /** BombStep の初期化入力 */
 type BombStepOptions = {
@@ -11,7 +12,7 @@
 };
 
 /** 爆弾更新処理を担うステップ */
-export class BombStep {
+export class BombStep implements LoopStep {
   private bombManager: BombManager;
 
   constructor({ bombManager }: BombStepOptions) {
@@ -19,7 +20,7 @@
   }
 
   /** 爆弾更新を実行する，時間管理は GameTimer 由来の経過時刻を利用する */
-  public run(): void {
+  public run(_context: LoopFrameContext): void {
     this.bombManager.tick();
   }
 }
diff --git a/apps/client/src/scenes/game/application/loopSteps/CameraStep.ts b/apps/client/src/scenes/game/application/loopSteps/CameraStep.ts
index e229842..a72d16f 100644
--- a/apps/client/src/scenes/game/application/loopSteps/CameraStep.ts
+++ b/apps/client/src/scenes/game/application/loopSteps/CameraStep.ts
@@ -5,6 +5,7 @@
  */
 import { Application, Container } from "pixi.js";
 import { LocalPlayerController } from "@client/scenes/game/entities/player/PlayerController";
+import type { LoopFrameContext, LoopStep } from "./LoopStep";
 
 type CameraStepParams = {
   app: Application;
@@ -13,8 +14,16 @@
 };
 
 /** カメラ追従更新を担うステップ */
-export class CameraStep {
-  public run({ app, worldContainer, me }: CameraStepParams) {
+export class CameraStep implements LoopStep {
+  /** ローカルプレイヤー位置へカメラを追従させる */
+  public run(context: LoopFrameContext): void {
+    const params: CameraStepParams = {
+      app: context.app,
+      worldContainer: context.worldContainer,
+      me: context.me,
+    };
+
+    const { app, worldContainer, me } = params;
     const meDisplay = me.getDisplayObject();
     worldContainer.position.set(-(meDisplay.x - app.screen.width / 2), -(meDisplay.y - app.screen.height / 2));
   }
diff --git a/apps/client/src/scenes/game/application/loopSteps/InputStep.ts b/apps/client/src/scenes/game/application/loopSteps/InputStep.ts
index 515e1c3..5b2ace4 100644
--- a/apps/client/src/scenes/game/application/loopSteps/InputStep.ts
+++ b/apps/client/src/scenes/game/application/loopSteps/InputStep.ts
@@ -4,6 +4,7 @@
  * ジョイスティック入力をローカルプレイヤーへ適用する
  */
 import { LocalPlayerController } from "@client/scenes/game/entities/player/PlayerController";
+import type { LoopFrameContext, LoopStep } from "./LoopStep";
 
 type InputStepOptions = {
   getJoystickInput: () => { x: number; y: number };
@@ -14,19 +15,26 @@
   deltaSeconds: number;
 };
 
-type InputStepResult = {
-  isMoving: boolean;
-};
-
 /** 入力段の更新処理を担うステップ */
-export class InputStep {
+export class InputStep implements LoopStep {
   private getJoystickInput: () => { x: number; y: number };
 
   constructor({ getJoystickInput }: InputStepOptions) {
     this.getJoystickInput = getJoystickInput;
   }
 
-  public run({ me, deltaSeconds }: InputStepParams): InputStepResult {
+  /** 入力文脈を適用して移動状態を更新する */
+  public run(context: LoopFrameContext): void {
+    const params: InputStepParams = {
+      me: context.me,
+      deltaSeconds: context.deltaSeconds,
+    };
+
+    const isMoving = this.applyInput(params);
+    context.isMoving = isMoving;
+  }
+
+  private applyInput({ me, deltaSeconds }: InputStepParams): boolean {
     const { x: axisX, y: axisY } = this.getJoystickInput();
     const isMoving = axisX !== 0 || axisY !== 0;
 
@@ -34,6 +42,6 @@
       me.applyLocalInput({ axisX, axisY, deltaTime: deltaSeconds });
     }
 
-    return { isMoving };
+    return isMoving;
   }
 }
\ No newline at end of file
diff --git a/apps/client/src/scenes/game/application/loopSteps/LoopStep.ts b/apps/client/src/scenes/game/application/loopSteps/LoopStep.ts
new file mode 100644
index 0000000..f94e9c4
--- /dev/null
+++ b/apps/client/src/scenes/game/application/loopSteps/LoopStep.ts
@@ -0,0 +1,23 @@
+/**
+ * LoopStep
+ * ゲームループの共通ステップ契約を定義する
+ * 各ステップ間で受け渡すフレーム文脈を提供する
+ */
+import type { Application, Container } from "pixi.js";
+import type { LocalPlayerController } from "@client/scenes/game/entities/player/PlayerController";
+import type { GamePlayers } from "@client/scenes/game/application/game.types";
+
+/** 1フレーム分の更新文脈を表す型 */
+export type LoopFrameContext = {
+  app: Application;
+  worldContainer: Container;
+  players: GamePlayers;
+  me: LocalPlayerController;
+  deltaSeconds: number;
+  isMoving: boolean;
+};
+
+/** ゲームループ内で実行されるステップ共通インターフェース */
+export type LoopStep = {
+  run: (context: LoopFrameContext) => void;
+};
\ No newline at end of file
diff --git a/apps/client/src/scenes/game/application/loopSteps/SimulationStep.ts b/apps/client/src/scenes/game/application/loopSteps/SimulationStep.ts
index 92b13b3..2f5a34c 100644
--- a/apps/client/src/scenes/game/application/loopSteps/SimulationStep.ts
+++ b/apps/client/src/scenes/game/application/loopSteps/SimulationStep.ts
@@ -7,6 +7,7 @@
 import { LocalPlayerController, RemotePlayerController } from "@client/scenes/game/entities/player/PlayerController";
 import type { MoveSender } from "@client/scenes/game/application/network/PlayerMoveSender";
 import type { GamePlayers } from "../game.types";
+import type { LoopFrameContext, LoopStep } from "./LoopStep";
 
 /** SimulationStep の初期化入力 */
 type SimulationStepOptions = {
@@ -22,7 +23,7 @@
 };
 
 /** シミュレーション段の更新処理を担うステップ */
-export class SimulationStep {
+export class SimulationStep implements LoopStep {
   private readonly moveSender: MoveSender;
   private readonly nowMsProvider: () => number;
   private lastPositionSentTime = 0;
@@ -33,9 +34,17 @@
     this.nowMsProvider = nowMsProvider;
   }
 
-  public run({ me, players, deltaSeconds, isMoving }: SimulationStepParams) {
-    this.runLocalSimulation({ me, isMoving });
-    this.runRemoteSimulation({ players, deltaSeconds });
+  /** ローカル更新とリモート補間更新を実行する */
+  public run(context: LoopFrameContext): void {
+    const params: SimulationStepParams = {
+      me: context.me,
+      players: context.players,
+      deltaSeconds: context.deltaSeconds,
+      isMoving: context.isMoving,
+    };
+
+    this.runLocalSimulation({ me: params.me, isMoving: params.isMoving });
+    this.runRemoteSimulation({ players: params.players, deltaSeconds: params.deltaSeconds });
   }
 
   private runLocalSimulation({ me, isMoving }: Pick<SimulationStepParams, "me" | "isMoving">) {