body { 
  padding: 0; 
  margin: 0; 
  overflow: hidden; 
  background: #231F20;
}

/* PC・スマホ共通で iframe 枠いっぱいに広げる設定 */
#unity-container { 
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
}

/* desktop/mobile の固有クラスによるレイアウト固定を上書き解除 */
#unity-container.unity-desktop,
#unity-container.unity-mobile { 
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  transform: none !important;
}

#unity-canvas { 
  width: 100% !important;
  height: 100% !important;
  background: #231F20;
  display: block;
}

/* ローディングバー関連 */
#unity-loading-bar { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: none }
#unity-logo { width: 154px; height: 130px; background: url('unity-logo-dark.png') no-repeat center }
#unity-progress-bar-empty { width: 141px; height: 18px; margin-top: 10px; margin-left: 6.5px; background: url('progress-bar-empty-dark.png') no-repeat center }
#unity-progress-bar-full { width: 0%; height: 18px; margin-top: 10px; background: url('progress-bar-full-dark.png') no-repeat center }
#unity-warning { position: absolute; left: 50%; top: 5%; transform: translate(-50%); background: white; padding: 10px; display: none }