/* ---- ページ固有スタイル ---- */

.hero-seminar-event-houkoku {
  background-image: url('https://images.unsplash.com/photo-1540575467063-178a50c2df87?w=1400&q=70');
}

    /* フィルターバー */
    .event-filter {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      padding: 20px 64px;
      background: white;
      border-bottom: 1px solid var(--color-border);
      position: sticky;
      top: 0;
      z-index: 50;
    }
    .event-filter-label {
      font-family: var(--font-en);
      font-size: 11px;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--color-text-muted);
      font-weight: 600;
    }
    .filter-btn {
      padding: 6px 16px;
      border: 1px solid var(--color-border);
      border-radius: 100px;
      font-size: 13px;
      font-weight: 500;
      color: var(--color-text-light);
      background: white;
      cursor: pointer;
      transition: var(--transition);
    }
    .filter-btn:hover,
    .filter-btn.active {
      background: var(--color-primary);
      color: white;
      border-color: var(--color-primary);
    }

    /* メインコンテンツ */
    .events-section {
      padding: 56px 64px;
      background: var(--color-bg-light);
    }
    .events-wrapper {
      max-width: 1000px;
      margin: 0 auto;
    }

    /* 年区切り */
    .year-divider {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 32px;
      margin-top: 48px;
    }
    .year-divider:first-child { margin-top: 0; }
    .year-divider-text {
      font-family: var(--font-en);
      font-size: 28px;
      font-weight: 300;
      color: var(--color-primary);
      letter-spacing: 0.06em;
    }
    .year-divider-line { flex: 1; height: 1px; background: var(--color-border); }
    .year-divider-ja {
      font-family: var(--font-serif);
      font-size: 13px;
      color: var(--color-text-muted);
    }

    /* イベントカード */
    .event-card {
      background: white;
      border-radius: var(--radius-md);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      margin-bottom: 28px;
      transition: var(--transition);
    }
    .event-card:hover { box-shadow: var(--shadow-md); }

    .event-card-inner {
      display: grid;
      grid-template-columns: 220px 1fr;
    }

    .event-card-side {
      background: var(--color-primary);
      padding: 28px 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
    }
    .event-card-side::after {
      content: '';
      position: absolute;
      bottom: -20px;
      right: -20px;
      width: 100px;
      height: 100px;
      background: rgba(184,150,62,0.15);
      border-radius: 50%;
    }
    .event-date-label {
      font-family: var(--font-en);
      font-size: 10px;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.5);
      display: block;
      margin-bottom: 6px;
    }
    .event-date {
      font-family: var(--font-serif);
      font-size: 16px;
      font-weight: 600;
      color: white;
      line-height: 1.5;
    }
    .event-category-badge {
      display: inline-block;
      padding: 4px 12px;
      border-radius: 100px;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.06em;
      margin-top: 16px;
      position: relative;
      z-index: 1;
    }
    .cat--seminar { background: var(--color-gold); color: white; }
    .cat--event { background: var(--color-teal); color: white; }
    .cat--golf { background: #3a7a3a; color: white; }
    .cat--trip { background: #7a3a6a; color: white; }

    .event-card-body {
      padding: 28px 32px;
    }
    .event-card-title {
      font-family: var(--font-serif);
      font-size: 18px;
      font-weight: 700;
      color: var(--color-primary);
      margin-bottom: 12px;
      letter-spacing: 0.03em;
      line-height: 1.4;
    }
    .event-card-text {
      font-size: 13.5px;
      color: var(--color-text-light);
      line-height: 1.9;
      margin-bottom: 16px;
    }
    .event-card-author {
      font-size: 12px;
      color: var(--color-text-muted);
      font-style: italic;
      padding-top: 12px;
      border-top: 1px solid var(--color-border-light);
    }
    .event-card-author::before { content: '— '; }

    /* フォトギャラリー */
    .event-photos {
      padding: 16px 32px 24px;
      background: var(--color-bg-light);
      border-top: 1px solid var(--color-border-light);
    }
    .event-photos-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
      gap: 10px;
      margin-top: 12px;
    }
    .event-photo {
      border-radius: var(--radius-sm);
      overflow: hidden;
      aspect-ratio: 4/3;
      background: var(--color-border);
      position: relative;
    }
    .event-photo img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .event-photo:hover img { transform: scale(1.06); }
    .event-photos-label {
      font-family: var(--font-en);
      font-size: 10px;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--color-text-muted);
      font-weight: 600;
    }

    @media (max-width: 900px) {
      .event-filter { padding: 16px 24px; }
      .events-section { padding: 40px 24px; }
      .event-card-inner { grid-template-columns: 1fr; }
      .event-card-side { flex-direction: row; align-items: center; gap: 16px; padding: 20px 24px; }
      .event-card-side::after { display: none; }
      .event-date-label { display: none; }
      .event-photos-grid { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 600px) {
      .event-photos-grid { grid-template-columns: repeat(2, 1fr); }
    }