dataset-switcher {
  display: inline-block;

  .btn-streaming {
    button {
      border-bottom-left-radius: 4px;
      border-top-left-radius: 4px;
      border-left: 2px solid #ecf0f1;
    }

    .menu-wrapper {
      overflow: auto;
      max-height: 240px;
      margin: 0;
    }

    .open > .applist-item, .applist-item:hover {
      background-color: #f8f8f8;
      color: #262626;
    }

    .applist-item {
      white-space: nowrap;
      padding: 3px 15px;
      line-height: 1.42857143;
      display: block;
      font-weight: 400;
      font-size: 13px;
      color: #616161;
      position: relative;

      &::before {
        position: absolute;
        right: 10px;
        top: 3px;
        bottom: 3px;
      }
    }

    .streaminglist {
      position: absolute;
      top: -1px;
      left: calc(100% + 4px);
      width: 320px;
      margin: 0;

      &:empty::after {
        content: '空';
        display: block;
        text-align: center;
        color: #A6A29D;
        cursor: not-allowed;
      }
    }
  }
}