:root {
      /* さわやかお出かけブルー (青空・アクティブ) */
      --my-bg-grad: linear-gradient(180deg, #a1c4fd 0%, #c2e9fb 100%);
      --my-primary: #ff7f50;       /* コーラルオレンジ */
      --my-secondary: #4682b4;     /* スチールブルー */
      --my-card-bg: #ffffff;
      --my-card-border: #222222;
      --my-shadow: 6px 6px 0px #ff7f50;
      --my-text: #222222;
      --my-table-head: #4682b4;
      --my-table-text: #ffffff;
    }

    body {
      font-family: 'Zen Maru Gothic', sans-serif;
      color: var(--my-text);
      transition: background 0.5s ease, color 0.5s ease;
      background-color: transparent; /* Wrapperで背景を指定 */
      margin: 0;
      padding: 0;
    }

    .my-main-wrapper {
      background: var(--my-bg-grad);
      background-attachment: fixed;
      min-height: 100vh;
      padding-bottom: 50px;
    }

    a {
      text-decoration: none;
      color: var(--my-primary);
    }
    
    a:hover {
      color: var(--my-secondary);
    }

    .my-nav-menu {
      background-color: var(--my-card-bg);
      border-bottom: 3px solid var(--my-card-border);
      box-shadow: 0px 4px 0px var(--my-primary);
      padding: 10px 0;
      position: sticky;
      top: 0;
      z-index: 999;
      transition: all 0.3s ease;
    }

    .my-nav-menu ul {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 15px;
    }

    .my-nav-menu li a {
      display: flex;
      align-items: center;
      gap: 5px;
      font-weight: 700;
      color: var(--my-text);
      padding: 8px 15px;
      border-radius: 20px;
      border: 2px solid transparent;
      transition: all 0.2s ease;
    }

    .my-nav-menu li a:hover,
    .my-nav-menu li a.active {
      border: 2px solid var(--my-card-border);
      background-color: var(--my-primary);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 2px 2px 0px var(--my-card-border);
    }

    .my-card-style {
      background-color: var(--my-card-bg);
      border: 3px solid var(--my-card-border);
      border-radius: 15px;
      box-shadow: var(--my-shadow);
      color: var(--my-text);
      padding: 20px;
      margin-bottom: 20px;
      transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    .my-card-style:hover {
      transform: translateY(-5px);
      box-shadow: 8px 8px 0px var(--my-card-border);
    }

    .my-pop-art-title {
      text-align: center;
      margin-bottom: 40px;
      position: relative;
    }

    .my-section-title {
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--my-primary);
      text-shadow: 2px 2px 0px var(--my-card-border), -1px -1px 0px #fff;
      display: inline-block;
      margin: 0;
      letter-spacing: 2px;
      position: relative;
      z-index: 2;
    }

    .my-section-subtitle {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--my-secondary);
      margin-top: -5px;
      text-transform: uppercase;
      letter-spacing: 3px;
    }

    .my-itinerary {
      position: relative;
      padding-left: 20px;
      border-left: 4px dashed var(--my-primary);
      margin: 0 auto;
      max-width: 800px;
    }

    .my-timeline-item {
      position: relative;
      margin-bottom: 30px;
      padding-left: 20px;
    }

    .my-timeline-item::before {
      content: '';
      position: absolute;
      left: -32px;
      top: 0;
      width: 20px;
      height: 20px;
      background-color: var(--my-secondary);
      border: 3px solid var(--my-card-border);
      border-radius: 50%;
      z-index: 1;
    }

    .my-time-panel {
      display: inline-block;
      background-color: var(--my-primary);
      color: #fff;
      font-weight: 900;
      padding: 5px 15px;
      border-radius: 10px;
      border: 2px solid var(--my-card-border);
      box-shadow: 3px 3px 0px var(--my-card-border);
      margin-bottom: 10px;
      font-size: 1.1rem;
    }

    .my-time-panel i {
      margin-right: 8px;
    }

    .my-details-panel {
      background-color: var(--my-card-bg);
      border: 3px solid var(--my-card-border);
      border-radius: 15px;
      padding: 15px;
      box-shadow: 4px 4px 0px rgba(0,0,0,0.1);
    }

    .my-feature-list {
      list-style: none;
      padding-left: 0;
      margin-top: 10px;
    }

    .my-feature-list li {
      margin-bottom: 8px;
      font-weight: 700;
      color: var(--my-secondary);
      display: flex;
      align-items: center;
    }
    
    .my-feature-list li::before {
      content: '🎵';
      margin-right: 10px;
      font-size: 1.2rem;
    }

    .my-table-retro-details {
      background-color: var(--my-card-bg);
      border: 3px solid var(--my-card-border);
      border-radius: 10px;
      overflow: hidden;
      width: 100%;
      color: var(--my-text);
      box-shadow: var(--my-shadow);
    }

    .my-table-retro-details td {
      border: 1px solid var(--my-card-border);
      padding: 15px;
      vertical-align: middle;
      color: var(--my-text);
    }

    .my-table-retro-details td:first-child {
      background-color: var(--my-primary);
      color: #fff;
      font-weight: 900;
    }

    .my-btn-retro {
      display: inline-block;
      background-color: var(--my-primary);
      color: #fff;
      font-weight: 900;
      font-size: 1.2rem;
      padding: 15px 40px;
      border: 3px solid var(--my-card-border);
      border-radius: 30px;
      box-shadow: 4px 4px 0px var(--my-card-border);
      transition: all 0.2s;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .my-btn-retro:hover {
      background-color: var(--my-secondary);
      color: #fff;
      transform: translateY(-3px) scale(1.02);
      box-shadow: 6px 6px 0px var(--my-card-border);
    }

    /* 会社情報のテーブル上書き */
    .accordion-button {
      font-weight: 700;
      background-color: var(--my-card-bg);
      color: var(--my-text);
      border: 2px solid var(--my-card-border);
      border-radius: 10px !important;
    }
    .accordion-button:not(.collapsed) {
      background-color: var(--my-primary);
      color: #fff;
    }
    .accordion-item {
      border: none;
      background: transparent;
    }
    .accordion-body table {
      background-color: var(--my-card-bg);
      color: var(--my-text);
    }

    .my-anim-float {
      animation: my-float 3s ease-in-out infinite;
      display: inline-block;
    }
    
    .my-anim-wiggle {
      animation: my-wiggle 2s ease-in-out infinite;
      display: inline-block;
    }

    @keyframes my-float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-8px); }
    }

    @keyframes my-wiggle {
      0%, 100% { transform: rotate(0deg); }
      25% { transform: rotate(-15deg); }
      75% { transform: rotate(15deg); }
    }

    /* レスポンシブ画像 */
    .my-main-banner {
      border: 4px solid var(--my-card-border);
      border-radius: 20px;
      box-shadow: var(--my-shadow);
      margin-bottom: 30px;
      transition: all 0.3s ease;
    }
    .my-main-banner:hover {
      transform: scale(1.01);
    }