.tokutei {
    max-width: 800px;
    margin: 10% auto;
    font-family: "Yu Gothic", "ヒラギノ角ゴ Pro W3", Meiryo, sans-serif;
    color: #333;
    font-size: 1rem;
    line-height: 1.6;
    width: 90%;
  }
  
  .tokutei h1 {
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 2rem;
    border-bottom: 3px solid #666;
    padding-bottom: 0.5rem;
  }
  
  .tokutei dl {
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #fff;
    margin: 0;
    padding: 0;
    display: flex;
  }
  
  .tokutei dt, .tokutei dd {
    margin: 0;
    padding: 1rem 1.5rem;
  }
  
  .tokutei dl > dl {
    display: flex;
    border-bottom: 1px solid #ddd;
    align-items: stretch; /* 高さ揃え */
  }
  
  .tokutei dl > dl:last-child {
    border-bottom: none;
  }
  
  .tokutei dt {
    background-color: #f7f7f7;
    font-weight: 700;
    width: 35%;
    box-sizing: border-box;
    padding-left: 1.5rem;
    display: flex;
    align-items: center;
  }
  
  .tokutei dd {
    width: 65%;
    box-sizing: border-box;
    display: flex;
    align-items: flex-start;
    white-space: pre-line;
    flex-direction: column;
  }
  
  .tokutei a {
    color: #0073aa;
    text-decoration: underline;
  }
  
  .copyright {
    margin-top: 40px;
    text-align: center;
    color: #999;
    font-size: 0.875rem;
  }
  
  @media screen and (max-width: 768px) {

    .tokutei h1 {
        font-size: 1.4rem;
    }

    .tokutei dl > dl {
        flex-direction: column;
    }

    .tokutei dl {
        flex-direction: column;
    }

    .tokutei dt {
        width: 100%;
    }

    .tokutei dd {
        width: 100%;
    }
  }