.countdown-container {
    text-align: center;
    font-family: sans-serif;
  }
  
  .countdown {
    font-size: 3rem;
    color: #f00; /* 赤色 */
    font-weight: bold;
  }
  
  .balloon {
    position: relative;
    display: inline-block;
    background-color: #ffcccc; /* 薄い赤色 */
    border-radius: 10px;
    padding: 10px 20px;
    margin-top: 20px;
  }
  
  .balloon::after {
    content: "";
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 10px;
    border-style: solid;
    border-color: transparent transparent #ffcccc transparent;
  }