@charset "UTF-8";

    html {
      scroll-behavior: smooth;
    }
    body {
      font-size: 16px;
      font-family: 'Inter', sans-serif, "メイリオ", Meiryo;
    }

    .cl-gold {
      color: #c1a06f;
    }

    .title-main {
      background: #c1a06f;
      color: white;
      padding: 1rem;
    }

    .title-sub {
      padding: 0em 0.6em;
      color: #c1a06f;
      background: transparent;
      border-left: solid 3px #c1a06f;
      font-weight: bold;
    }

    .title-cancel {
      color: darkred;
      font-size: x-large;
      border: 2px solid;
      background: white;
      padding: .4rem 0.5rem;
    }

    .bg-cover {
      position: fixed;
      top: 0; left: 0;
      width: 100%;
      height: 100%;
      z-index: -2;
      object-fit: cover;
    }

    /* 暗いオーバーレイ */
    .bg-overlay {
      position: fixed;
      top: 0; left: 0;
      width: 100%;
      height: 100%;
      background-color: black;
      z-index: -999;
    }

    .content-wrapper {
      position: relative;
      z-index: 1;
      color: white;
    }

    .sidebar {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        background-color: #0000007a;
        border-left: 2px solid #c1a06f;
        padding: 1rem;
        z-index: 5;
    }

    @media (max-width: 767px) {
      body {
        font-size: 14px;
      }
    .title-cancel {
      font-size: large;
    }
      .sidebar {
        position: static;
        border-radius: 0;
        height: auto;
        border-bottom: 2px solid #c1a06f;
        border-left: none;
      }
      
    }


  /* list-group-item */

  .list-group-item {
    background-color: #000000b5!important;
  }


 /* アコーディオン */   
  details {
    border-radius: 4px;
    margin-bottom: 10px;
    padding: 0;
  }

  summary {
    cursor: pointer;
    padding: 10px 15px;
    position: relative;
    font-weight: bold;
    background-color: #1e1e1e;
    list-style: none;
  }

  /* デフォルトのマーカーを非表示 */
  summary::-webkit-details-marker {
    display: none;
  }

  /* プラス記号の追加（疑似要素） */
  summary::after {
    content: "+";
    position: absolute;
    right: 15px;
    font-size: 18px;
    transition: transform 0.2s ease;
  }

  /* 開いたときはマイナスに変化 */
  details[open] summary::after {
    content: "−";
  }

  /* コンテンツ部分 */
  details > *:not(summary) {
    padding: 10px 15px;
    background: #1e1e1e;
    font-size: small;
  }



  /* ライトボックス */

   .lightbox-thumb {
    width: 200px;
    cursor: pointer;
  }

  .lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
  }

  .lightbox-overlay img {
    max-width: 90%;
    max-height: 90%;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
  }

  /* ライトボックス表示のトリガー */
  #lightbox-toggle:checked + .lightbox-overlay {
    display: flex;
  }

  /* チェックボックスは非表示 */
  #lightbox-toggle {
    display: none;
  }


  .event-info {
    letter-spacing: .02rem;
    line-height: 1.5rem;
    color: white;
  }

  .attention {
    border: 1px solid #e5e5e5;
    padding: 1rem;
    font-size: small;
  }

  .nav-link {
    color: #c1a06f!important;
    font-weight: bold;
  }
  .nav-item {
    width: 50%;
  }

  a {
    color: black!important;
    text-decoration: underline;
  }

  a:hover {
    opacity: .7;
    color: #c1a06f!important;
  }

  @media (max-width: 767px) {
    .nav-item {
      width: 25%;
    }
  }

  /* 上へボタン */

#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  padding: 10px 16px;
  font-size: 14px;
  background-color: #333;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 10;
}

/* 表示時 */
#back-to-top.show {
  opacity: 1;
  pointer-events: all;
}

/* ホバー時 */
#back-to-top:hover {
  background-color: #555;
}

/* title-design */
.emphasis_design {
  display: inline-block;
  width: 100%;
  max-width: 600px;
}

.emphasis_design svg {
  width: 100%;
  height: auto;
}

.svg-text {
  font-family: 'Helvetica Neue', sans-serif;
  font-weight: 700;
  font-size: 60px;
  letter-spacing: 10px;
  fill: black;
  stroke: #c1a06f;
  stroke-width: 4px;
  paint-order: stroke fill;
  text-shadow: 1px 1px white;
}