diff --git a/apps/server/src/domains/game/application/ports/gameUseCasePorts.ts b/apps/server/src/domains/game/application/ports/gameUseCasePorts.ts
index 53bfee3..2bded70 100644
--- a/apps/server/src/domains/game/application/ports/gameUseCasePorts.ts
+++ b/apps/server/src/domains/game/application/ports/gameUseCasePorts.ts
@@ -80,8 +80,8 @@
 
 /** 爆弾設置ユースケースが利用する爆弾状態入力ポート */
 export interface BombPlacementPort {
-  shouldBroadcastBombPlaced(roomId: string, dedupeKey: string, nowMs: number): boolean;
-  issueServerBombId(roomId: string): string;
+  shouldBroadcastBombPlacedForRoom(roomId: string, dedupeKey: string, nowMs: number): boolean;
+  issueServerBombIdForRoom(roomId: string): string;
 }
 
 /** 爆弾設置ユースケースの入力値 */
diff --git a/apps/server/src/domains/game/application/services/GameSessionLifecycleService.ts b/apps/server/src/domains/game/application/services/GameSessionLifecycleService.ts
index 0d4517a..24ba90d 100644
--- a/apps/server/src/domains/game/application/services/GameSessionLifecycleService.ts
+++ b/apps/server/src/domains/game/application/services/GameSessionLifecycleService.ts
@@ -28,11 +28,11 @@
     return this.sessions.get(roomId)?.getPlayers() ?? [];
   }
 
-  public shouldBroadcastBombPlaced(roomId: string, dedupeKey: string, nowMs: number): boolean {
+  public shouldBroadcastBombPlacedForRoom(roomId: string, dedupeKey: string, nowMs: number): boolean {
     return this.sessions.get(roomId)?.shouldBroadcastBombPlaced(dedupeKey, nowMs) ?? false;
   }
 
-  public issueServerBombId(roomId: string): string {
+  public issueServerBombIdForRoom(roomId: string): string {
     const session = this.sessions.get(roomId);
     if (!session) {
       throw new Error(`Game session not found for roomId: ${roomId}`);
diff --git a/apps/server/src/domains/game/application/useCases/placeBombUseCase.ts b/apps/server/src/domains/game/application/useCases/placeBombUseCase.ts
index f3fde0e..b30790d 100644
--- a/apps/server/src/domains/game/application/useCases/placeBombUseCase.ts
+++ b/apps/server/src/domains/game/application/useCases/placeBombUseCase.ts
@@ -35,11 +35,11 @@
   }
 
   const dedupeKey = createBombDedupeKey(input.socketId, input.payload.requestId);
-  if (!bombStore.shouldBroadcastBombPlaced(roomId, dedupeKey, input.nowMs)) {
+  if (!bombStore.shouldBroadcastBombPlacedForRoom(roomId, dedupeKey, input.nowMs)) {
     return;
   }
 
-  const bombId = bombStore.issueServerBombId(roomId);
+  const bombId = bombStore.issueServerBombIdForRoom(roomId);
 
   output.publishBombPlacedToOthersInRoom(
     roomId,