* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 15px;
    background-color: #f4f4f4;
  }
  
  li {
    text-decoration: none;
    list-style: none;
  }
  
  a {
    text-decoration:none;
  }
  
  header {
    background-color: #fff;
    padding: 20px 10%;
    width: 100%;
    height: 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .header-items {
    display: flex;
  }
  
  .header-items ul {
    display: flex;
  }
  
  .header-item {
    font-weight: bold;
    color: #333;
    float: left;
    display: flex;
    text-align: center;
    padding-left: 15px;
  }
  
  .header-item:hover {
    color: #FF5050;
  }
  
  /* オーバーレイボタン */
  #overlay-button {
    display: none;
    position: absolute;
    right: 2em;
    top: 25px; /* ヘッダーの上下中央に配置 */
    padding: 26px 11px;
    z-index: 11;
    cursor: pointer;
    user-select: none;
  }
  
  #overlay-button span {
    height: 4px;
    width: 35px;
    border-radius: 2px;
    background-color: #fff;
    position: relative;
    display: block;
    transition: all 0.2s ease-in-out;
  }
  
  #overlay-button span:before {
    top: -10px;
    visibility: visible;
  }
  
  #overlay-button span:after {
    top: 10px;
  }
  
  #overlay-button span:before,
  #overlay-button span:after {
    height: 4px;
    width: 35px;
    border-radius: 2px;
    background-color: #fff;
    position: absolute;
    content: "";
    transition: all 0.2s ease-in-out;
  }
  
  /* メニューが表示されていないときにメニューボタンを黒に */
  input[type="checkbox"]:not(:checked) ~ #overlay-button span,
  input[type="checkbox"]:not(:checked) ~ #overlay-button span:before,
  input[type="checkbox"]:not(:checked) ~ #overlay-button span:after {
    background: #333;
  }
  
  #overlay-button:hover span,
  #overlay-button:hover span:before,
  #overlay-button:hover span:after {
    background: #fff;
  }
  
  /* チェックボックスとオーバーレイ処理 */
  input[type="checkbox"] {
    display: none;
  }
  
  input[type="checkbox"]:checked ~ #overlay {
    visibility: visible;
    opacity: 1;
  }
  
  input[type="checkbox"]:checked ~ #overlay-button:hover span,
  input[type="checkbox"]:checked ~ #overlay-button span {
    background: transparent;
  }
  
  input[type="checkbox"]:checked ~ #overlay-button span:before {
    transform: rotate(45deg) translate(7px, 7px);
  }
  
  input[type="checkbox"]:checked ~ #overlay-button span:after {
    transform: rotate(-45deg) translate(7px, -7px);
  }
  
  /* オーバーレイメニュー */
  #overlay {
    height: 100%;
    width: 100%;
    background: rgba(255, 80, 80, 0.9);
    z-index: 10;
    visibility: hidden;
    position: fixed;
    top: 0;
    left: 0;
    opacity: 0;
    transition: visibility 0s, opacity 0.3s ease;
  }
  
  #overlay ul {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    height: 100%;
    padding-left: 0;
    list-style-type: none;
  }
  
  #overlay ul li {
    padding: 1em;
  }
  
  #overlay ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 1.5em;
  }
  
  #overlay ul li a:hover {
    color: #333 !important;
  }
  
  .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    background-color: #FF5050;
    color: #fff;
    align-items: center;
    padding-left: 10%;
    height: 40px;
  }
  
  .breadcrumb li a{
    color: #fff;
  }
  
  .breadcrumb li:not(:last-of-type)::after {
    content: "›";
    margin: 0 .6em;
    color: #fff; /* 記号の色 */
  }
  
  .main-content {
    width: 80%;
    margin: 40px auto;
  }
  
  .main-content h1 {
    padding-top: 50px;
    padding-bottom: 10px;
    color: rgba(238, 73, 73, 255);
    text-align: center;
    font-family: "Noto Sans JP";
    font-size: 36px;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    letter-spacing: 5.76px;
  }
  
  .main-content .content-detail {
    font-size: 18px;
    color: #333;
    text-align: left;
    padding-bottom: 50px;
  }
  
  .about-this-site .box {
    background-color: #fff;
    padding: 20px;
    border: 1px solid #ccc;
    margin-bottom: 20px;
    box-shadow: 2px 3px 5px rgba(0, 0, 0, 0.25);
    height: 600%;
    overflow: hidden;
  }

  .jrc-link {
    text-decoration: underline;
    color: #0031D8;
  }

  a[target="_blank"]:after {
    font-family: "Font Awesome 5 Free";
    font-weight: 600;
    content: "\f35d";
    margin: 0 0 0 5px;
}
  
  .about-this-site p {
    color: #333;
    margin: 20px 25px;
  }

  .about-this-site li {
    color: #333;
    margin: 0 25px;
  }
  
  .about-this-site h2 {
    color: #333;
    font-size: 20px;
    font-weight: 500;
    margin: 40px 25px 10px 25px;
    border-bottom:1px solid #ccc;
  }
  
  .about-this-site-more {
    font-size: 18px;
    font-weight: 500;
    color: #333;
    text-decoration: underline; /* 下線を追加 */
  }
  
  .about-this-site-more:hover {
    color: rgba(238, 73, 73, 255);
  }
    
    footer {
      background-color: rgba(238, 73, 73, 255);
      position: relative;
      bottom: 0;
      padding: 20px 20px 2px 20px;
      margin-top: 200px;
      height: 200px;
      width: 100%;
    }
    
    .footer-item {
      display: inline-block;
      align-items: center;
      color: #F2F2F2;
      padding: 10px 20px;
    }

    .footer-item:hover {
      color: #333;
    }
    
    .copyright {
      text-align: center;
      color: #F2F2F2;
      font-size: 11px;
      letter-spacing: 0.1em;
    }
    
    @media screen and (max-width: 768px) {
      header {
        height: 75px;
      }
  
      header img {
        height: 70px;
      }
  
      #overlay-button {
        display: block; /* メニューボタンを表示 */
        top: 10px;
      }
    
      .header-items ul {
        display: none;
      }
  
      .main-content {
        width: 90%;
        margin: 30px auto;
      }
      
      .main-content h1 {
        padding-top: 50px;
        padding-bottom: 8px;
        color: rgba(238, 73, 73, 255);
        text-align: center;
        font-family: "Noto Sans JP";
        font-size: 30px;
        font-style: normal;
        font-weight: 600;
        line-height: normal;
        letter-spacing: 2px;
      }
  
      .main-content .content-detail {
        font-size: 18px;
        color: #333;
        text-align: center;
        padding-bottom: 40px;
      }
  
      #linerCart {
        min-height: 350px;
      }
  
      .status {
        flex-direction: column; /* 縦に並べる */
        align-items: center;
      }
    
      .status .box {
        flex-basis: 100%;
        max-width: 100%;
        margin-bottom: 20px;
      }
  
      .data {
        flex-direction: column; /* 縦に並べる */
        align-items: center;
      }
    
      .data .box {
        flex-basis: 100%;
        max-width: 100%;
        margin-bottom: 20px;
      }
  
      .data .box h2 {
        color: #333;
        font-size: 17px;
        font-weight: 500;
        padding: 15px 15px;
      }
  
      .data .box .count {
        color: #FF5050;
        font-family: "Montserrat", sans-serif;
        font-size: 10vw;
      }
    
      .data .image-container img {
        max-height: 140px;
        object-fit: scale-down;
      }
    }