@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Noto+Sans+JP:wght@300;400;700;900&family=Orbitron:wght@400;700;900&display=swap');

    :root {
      --cyan: #00f5ff;
      --green: #00ff41;
      --red: #ff003c;
      --dark: #0a0e1a;
      --darker: #060810;
      --card-bg: rgba(0, 245, 255, 0.03);
      --border: rgba(0, 245, 255, 0.2);
      --glow-cyan: 0 0 10px #00f5ff, 0 0 30px rgba(0,245,255,0.3);
      --glow-green: 0 0 10px #00ff41, 0 0 30px rgba(0,255,65,0.3);
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }

    body {
      background: var(--dark);
      color: #c0d8e8;
      font-family: 'Noto Sans JP', sans-serif;
      overflow-x: hidden;
      position: relative;
    }

    /* ─── Canvas Background ─── */
    #matrix-canvas {
      position: fixed;
      top: 0; left: 0;
      width: 100%; height: 100%;
      opacity: 0.07;
      z-index: 0;
      pointer-events: none;
    }

    /* ─── Grid overlay ─── */
    body::before {
      content: '';
      position: fixed;
      top: 0; left: 0;
      width: 100%; height: 100%;
      background-image:
        linear-gradient(rgba(0,245,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,245,255,0.03) 1px, transparent 1px);
      background-size: 40px 40px;
      z-index: 0;
      pointer-events: none;
    }

    /* ─── Scan line ─── */
    body::after {
      content: '';
      position: fixed;
      top: -100%;
      left: 0;
      width: 100%;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--cyan), transparent);
      animation: scan 6s linear infinite;
      z-index: 1;
      pointer-events: none;
      opacity: 0.4;
    }

    @keyframes scan {
      0% { top: -5%; }
      100% { top: 105%; }
    }

    .wrapper {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
      padding: 0 20px 80px;
    }

    /* ─── HERO ─── */
    .hero {
      text-align: center;
      padding: 70px 20px 50px;
      position: relative;
    }

    .hero-badge {
      display: inline-block;
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.75rem;
      color: var(--green);
      border: 1px solid var(--green);
      padding: 4px 14px;
      margin-bottom: 20px;
      letter-spacing: 3px;
      animation: pulse-border 2s ease-in-out infinite;
    }

    @keyframes pulse-border {
      0%, 100% { box-shadow: 0 0 5px rgba(0,255,65,0.3); }
      50% { box-shadow: 0 0 15px rgba(0,255,65,0.6), 0 0 30px rgba(0,255,65,0.2); }
    }

    .hero-num {
      font-family: 'Orbitron', monospace;
      font-size: clamp(3.5rem, 10vw, 7rem);
      font-weight: 900;
      color: transparent;
      background: linear-gradient(135deg, var(--cyan) 0%, #0080ff 50%, var(--cyan) 100%);
      -webkit-background-clip: text;
      background-clip: text;
      line-height: 1;
      filter: drop-shadow(0 0 20px rgba(0,245,255,0.5));
      animation: flicker 8s infinite;
    }

    @keyframes flicker {
      0%, 95%, 100% { opacity: 1; }
      96% { opacity: 0.85; }
      97% { opacity: 1; }
      98% { opacity: 0.9; }
      99% { opacity: 1; }
    }

    .hero-title {
      font-size: clamp(1.1rem, 3vw, 1.6rem);
      font-weight: 700;
      color: #e0f4ff;
      margin: 8px 0 16px;
      letter-spacing: 4px;
    }

    .hero-sub {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.85rem;
      color: rgba(0,245,255,0.6);
      letter-spacing: 2px;
    }

    .hero-date-block {
      margin-top: 36px;
      display: inline-flex;
      align-items: center;
      gap: 20px;
      background: rgba(0,245,255,0.04);
      border: 1px solid rgba(0,245,255,0.25);
      padding: 16px 36px;
      position: relative;
      overflow: hidden;
    }

    .hero-date-block::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, transparent, rgba(0,245,255,0.05), transparent);
      animation: shimmer 3s infinite;
    }

    @keyframes shimmer {
      0% { transform: translateX(-100%); }
      100% { transform: translateX(100%); }
    }

    .date-num {
      font-family: 'Orbitron', monospace;
      font-size: clamp(1.8rem, 5vw, 2.8rem);
      font-weight: 700;
      color: var(--cyan);
      text-shadow: var(--glow-cyan);
      line-height: 1;
    }

    .date-detail .ymd {
      font-family: 'Share Tech Mono', monospace;
      font-size: 1.1rem;
      color: #e0f4ff;
      letter-spacing: 2px;
    }

    .date-detail .time {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.85rem;
      color: rgba(0,245,255,0.7);
      margin-top: 2px;
    }

    /* ─── Divider ─── */
    .divider {
      display: flex;
      align-items: center;
      gap: 12px;
      margin: 50px 0 30px;
    }

    .divider-line {
      flex: 1;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--cyan), transparent);
      opacity: 0.4;
    }

    .divider-icon {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.7rem;
      color: var(--cyan);
      letter-spacing: 3px;
      opacity: 0.8;
    }

    /* ─── Section Heading ─── */
    .section-head {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 24px;
    }

    .section-head .tag {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.65rem;
      color: var(--green);
      letter-spacing: 3px;
      background: rgba(0,255,65,0.08);
      border: 1px solid rgba(0,255,65,0.3);
      padding: 3px 10px;
    }

    .section-head h2 {
      font-family: 'Orbitron', monospace;
      font-size: clamp(0.9rem, 2.5vw, 1.2rem);
      font-weight: 700;
      color: #e0f4ff;
      letter-spacing: 2px;
    }

    /* ─── Description Card ─── */
    .desc-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-left: 3px solid var(--cyan);
      padding: 28px 32px;
      position: relative;
      overflow: hidden;
    }

    .desc-card::after {
      content: '';
      position: absolute;
      top: 0; right: 0;
      width: 60px; height: 60px;
      background: linear-gradient(225deg, rgba(0,245,255,0.08) 0%, transparent 60%);
    }

    .desc-card p {
      font-size: 0.95rem;
      line-height: 1.9;
      color: #afc8d8;
    }

    .desc-card p + p { margin-top: 12px; }

    .highlight-text {
      color: var(--cyan);
      font-weight: 700;
    }

    /* ─── Schedule ─── */
    .schedule-list {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .schedule-item {
      display: grid;
      grid-template-columns: 90px 1fr;
      align-items: stretch;
      background: var(--card-bg);
      border: 1px solid var(--border);
      position: relative;
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .schedule-item:hover {
      background: rgba(0,245,255,0.06);
      border-color: rgba(0,245,255,0.5);
      transform: translateX(4px);
    }

    .schedule-time {
      background: rgba(0,245,255,0.06);
      border-right: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 16px 8px;
      font-family: 'Orbitron', monospace;
      font-size: 0.78rem;
      color: var(--cyan);
      text-shadow: var(--glow-cyan);
      text-align: center;
      letter-spacing: 1px;
      line-height: 1.4;
    }

    .schedule-content {
      padding: 16px 20px;
      display: flex;
      align-items: center;
    }

    .schedule-content .label {
      font-size: 0.95rem;
      color: #d0e8f5;
      font-weight: 500;
    }

    .schedule-content .sublabel {
      font-size: 0.78rem;
      color: rgba(0,245,255,0.6);
      font-family: 'Share Tech Mono', monospace;
      margin-top: 2px;
      letter-spacing: 1px;
    }

    .schedule-item.lt { border-left: 3px solid var(--cyan); }

    .lt-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    .lt-badge .lt-label {
      font-size: 0.95rem;
      color: #d0e8f5;
      font-weight: 700;
    }

    .tbd-chip {
      display: inline-block;
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.65rem;
      color: var(--cyan);
      border: 1px solid rgba(0,245,255,0.5);
      padding: 2px 10px;
      letter-spacing: 2px;
      background: rgba(0,245,255,0.06);
      animation: blink-border 2s ease-in-out infinite;
    }

    @keyframes blink-border {
      0%, 100% { border-color: rgba(0,245,255,0.4); }
      50% { border-color: rgba(0,245,255,0.9); box-shadow: 0 0 8px rgba(0,245,255,0.3); }
    }

    .tbd-note {
      font-size: 0.78rem;
      color: rgba(192, 216, 232, 0.5);
      font-style: italic;
      margin-top: 4px;
    }

    /* ─── SPEAKERS ─── */
    .speakers-list {
      display: flex;
      flex-direction: column;
      gap: 28px;
    }

    .speaker-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-left: 3px solid var(--cyan);
      position: relative;
      overflow: hidden;
      transition: border-color 0.3s ease, background 0.3s ease;
    }

    .speaker-card:hover {
      background: rgba(0,245,255,0.04);
      border-color: rgba(0,245,255,0.5);
    }

    /* 右上コーナー装飾 */
    .speaker-card-corner {
      position: absolute;
      top: 0; right: 0;
      width: 80px; height: 80px;
      background: linear-gradient(225deg, rgba(0,245,255,0.06) 0%, transparent 60%);
      pointer-events: none;
    }

    .speaker-header {
      display: flex;
      align-items: flex-start;
      gap: 22px;
      padding: 24px 28px 20px;
    }

    /* 写真枠 */
    .speaker-photo-wrap {
      flex-shrink: 0;
      width: 110px;
      height: 110px;
      border: 2px solid rgba(0,245,255,0.3);
      background: rgba(0,245,255,0.03);
      position: relative;
      overflow: hidden;
    }

    .speaker-photo-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    /* 写真がない場合のプレースホルダー */
    .speaker-photo-placeholder {
      width: 100%;
      height: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }

    .ph-icon {
      font-size: 2.2rem;
      opacity: 0.2;
      line-height: 1;
    }

    .ph-label {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.5rem;
      color: rgba(0,245,255,0.3);
      letter-spacing: 1.5px;
      text-align: center;
      line-height: 1.5;
    }

    /* 写真枠のコーナー装飾 */
    .speaker-photo-wrap::before,
    .speaker-photo-wrap::after {
      content: '';
      position: absolute;
      width: 13px; height: 13px;
      pointer-events: none;
      z-index: 2;
    }
    .speaker-photo-wrap::before {
      top: 3px; left: 3px;
      border-top: 2px solid rgba(0,245,255,0.7);
      border-left: 2px solid rgba(0,245,255,0.7);
    }
    .speaker-photo-wrap::after {
      bottom: 3px; right: 3px;
      border-bottom: 2px solid rgba(0,245,255,0.7);
      border-right: 2px solid rgba(0,245,255,0.7);
    }

    .speaker-meta {
      flex: 1;
      min-width: 0;
    }

    .speaker-num {
      display: inline-block;
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.6rem;
      color: var(--green);
      letter-spacing: 3px;
      background: rgba(0,255,65,0.08);
      border: 1px solid rgba(0,255,65,0.25);
      padding: 2px 9px;
      margin-bottom: 9px;
    }

    .speaker-name-tbd {
      font-family: 'Share Tech Mono', monospace;
      font-size: 1.05rem;
      color: rgba(255,255,255,0.9);
      letter-spacing: 3px;
      margin-bottom: 4px;
    }

    .speaker-name {
      font-size: 1.15rem;
      font-weight: 700;
      color: #e8f4ff;
      margin-bottom: 4px;
      line-height: 1.4;
    }

    .speaker-org {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.78rem;
      color: rgba(0,245,255,0.6);
      letter-spacing: 1px;
      margin-bottom: 10px;
    }

    .speaker-org-tbd {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.78rem;
      color: rgba(0,245,255,0.5);
      letter-spacing: 1px;
      margin-bottom: 10px;
    }

    .speaker-topic-block {
      background: rgba(0,245,255,0.04);
      border: 1px solid rgba(0,245,255,0.15);
      padding: 10px 14px;
      margin-top: 4px;
    }

    .speaker-topic-label {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.57rem;
      color: var(--cyan);
      letter-spacing: 3px;
      margin-bottom: 5px;
    }

    .speaker-topic-tbd {
      font-family: 'Share Tech Mono', monospace;
      font-size: 1rem;
      line-height: 1.5;
      color: rgba(255,255,255,0.9);
      letter-spacing: 2px;
    }

    .speaker-topic {
      font-size: 0.9rem;
      color: #d0e8f8;
      font-weight: 700;
      line-height: 1.5;
    }

    /* カード本文エリア */
    .speaker-divider {
      height: 1px;
      background: linear-gradient(90deg, rgba(0,245,255,0.25), rgba(0,245,255,0.05), transparent);
      margin: 0 28px;
    }

    .speaker-body {
      padding: 0 28px 24px;
    }

    .speaker-body-label {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.57rem;
      color: var(--green);
      letter-spacing: 3px;
      margin: 18px 0 8px;
    }

    /* TBD プレースホルダーブロック */
    .tbd-block {
      border: 1px dashed rgba(0,245,255,0.15);
      background: rgba(0,245,255,0.015);
      padding: 14px 18px;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .tbd-block-chip {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.6rem;
      color: rgba(0,245,255,0.4);
      border: 1px solid rgba(0,245,255,0.2);
      padding: 2px 8px;
      letter-spacing: 2px;
      white-space: nowrap;
      animation: blink-border 2s ease-in-out infinite;
    }

    .tbd-block-text {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.72rem;
      color: rgba(0,245,255,0.22);
      letter-spacing: 1.5px;
      line-height: 1.6;
    }

    /* 本文テキスト（情報が入ったとき用） */
    .speaker-bio {
      font-size: 0.88rem;
      color: #a0bcd0;
      line-height: 1.9;
    }

    .speaker-content-text {
      font-size: 0.88rem;
      color: #a0bcd0;
      padding: 10px 14px;
      line-height: 1.9;
    }

    .speaker-content-text ul {
      padding-left: 1.2em;
      margin-top: 6px;
    }

    .speaker-content-text li {
      margin-bottom: 4px;
    }

    /* ─── Info Grid ─── */
    .info-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 16px;
    }

    .info-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      padding: 22px 24px;
      position: relative;
      transition: all 0.3s ease;
    }

    .info-card:hover {
      border-color: rgba(0,245,255,0.5);
      background: rgba(0,245,255,0.05);
    }

    .info-card::before {
      content: attr(data-index);
      position: absolute;
      top: 12px; right: 14px;
      font-family: 'Orbitron', monospace;
      font-size: 1.8rem;
      font-weight: 900;
      color: rgba(0,245,255,0.05);
    }

    .info-card .ic-label {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.65rem;
      color: var(--green);
      letter-spacing: 3px;
      margin-bottom: 8px;
    }

    .info-card .ic-value {
      font-size: 0.95rem;
      color: #d0e8f5;
      line-height: 1.7;
    }

    .info-card .ic-value strong {
      color: var(--cyan);
      font-family: 'Orbitron', monospace;
      font-size: 1.1rem;
    }

    .info-card .ic-sub {
      font-size: 0.8rem;
      color: rgba(0,245,255,0.6);
      margin-top: 4px;
    }

    /* ─── Access ─── */
    .access-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-left: 3px solid rgba(0,255,65,0.6);
      padding: 24px 28px;
    }

    .access-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 8px 0;
      border-bottom: 1px solid rgba(0,245,255,0.08);
    }

    .access-item:last-child { border-bottom: none; }

    .access-dot {
      width: 6px; height: 6px;
      background: var(--cyan);
      border-radius: 50%;
      margin-top: 8px;
      flex-shrink: 0;
      box-shadow: 0 0 6px var(--cyan);
    }

    .access-text {
      font-size: 0.9rem;
      color: #afc8d8;
      line-height: 1.6;
    }

    .access-text em {
      color: var(--cyan);
      font-style: normal;
      font-weight: 700;
    }

    /* ─── CTA ─── */
    .cta-section {
      text-align: center;
      padding: 50px 20px;
    }

    .cta-note {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.75rem;
      color: rgba(0,245,255,0.5);
      letter-spacing: 3px;
      margin-bottom: 20px;
    }

    .cta-btn {
      display: inline-block;
      font-family: 'Orbitron', monospace;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--dark);
      background: linear-gradient(135deg, var(--cyan), #0080ff);
      padding: 16px 48px;
      text-decoration: none;
      letter-spacing: 3px;
      position: relative;
      overflow: hidden;
      transition: all 0.3s ease;
      box-shadow: 0 0 20px rgba(0,245,255,0.3), 0 0 40px rgba(0,245,255,0.1);
    }

    .cta-btn:hover {
      box-shadow: 0 0 30px rgba(0,245,255,0.6), 0 0 60px rgba(0,245,255,0.2);
      transform: translateY(-2px);
    }

    .cta-btn::after {
      content: '';
      position: absolute;
      top: 0; left: -100%;
      width: 100%; height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
      animation: btn-shimmer 2.5s infinite;
    }

    @keyframes btn-shimmer {
      0% { left: -100%; }
      100% { left: 100%; }
    }

    .wework-note {
      margin-top: 16px;
      font-size: 0.82rem;
      color: rgba(0,245,255,0.5);
      font-family: 'Share Tech Mono', monospace;
    }

    /* ─── Footer ─── */
    .footer {
      border-top: 1px solid rgba(0,245,255,0.1);
      padding: 30px 20px;
      text-align: center;
    }

    .footer-logo {
      font-family: 'Orbitron', monospace;
      font-size: 0.75rem;
      color: rgba(0,245,255,0.4);
      letter-spacing: 4px;
    }

    .footer-copy {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.65rem;
      color: rgba(0,245,255,0.25);
      margin-top: 8px;
      letter-spacing: 2px;
    }

    /* ─── Corner decorations ─── */
    .corner-dec {
      position: fixed;
      width: 60px; height: 60px;
      pointer-events: none;
      z-index: 10;
      opacity: 0.5;
    }

    .corner-dec.tl { top: 16px; left: 16px; border-top: 2px solid var(--cyan); border-left: 2px solid var(--cyan); }
    .corner-dec.tr { top: 16px; right: 16px; border-top: 2px solid var(--cyan); border-right: 2px solid var(--cyan); }
    .corner-dec.bl { bottom: 16px; left: 16px; border-bottom: 2px solid var(--cyan); border-left: 2px solid var(--cyan); }
    .corner-dec.br { bottom: 16px; right: 16px; border-bottom: 2px solid var(--cyan); border-right: 2px solid var(--cyan); }

    /* ─── Status bar ─── */
    .status-bar {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.65rem;
      color: rgba(0,245,255,0.35);
      letter-spacing: 2px;
      text-align: right;
      padding: 10px 0 0;
    }

    .status-dot {
      display: inline-block;
      width: 6px; height: 6px;
      background: var(--green);
      border-radius: 50%;
      margin-right: 6px;
      animation: blink 1.2s step-end infinite;
      box-shadow: 0 0 6px var(--green);
      vertical-align: middle;
    }

    @keyframes blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0; }
    }

    /* ─── Responsive ─── */
    @media (max-width: 620px) {
      .hero-date-block { flex-direction: column; gap: 8px; padding: 16px 24px; }
      .info-grid { grid-template-columns: 1fr; }
      .schedule-item { grid-template-columns: 72px 1fr; }
      .speaker-header { flex-direction: column; align-items: center; text-align: center; padding: 20px 20px 16px; }
      .speaker-photo-wrap { width: 100px; height: 100px; }
      .speaker-body { padding: 0 20px 20px; }
      .speaker-divider { margin: 0 20px; }
    }

    /* ─── History Grid ─── */
    .history-note {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.75rem;
      color: rgba(0,245,255,0.45);
      letter-spacing: 2px;
      margin-bottom: 20px;
    }
    .history-note::before { content: '// '; }

    .history-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }

    .history-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      overflow: hidden;
      position: relative;
      transition: all 0.3s ease;
      cursor: default;
    }

    .history-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--cyan), transparent);
      opacity: 0;
      transition: opacity 0.3s;
    }

    .history-card:hover::before { opacity: 1; }

    .history-card:hover {
      border-color: rgba(0,245,255,0.5);
      background: rgba(0,245,255,0.06);
      transform: translateY(-3px);
      box-shadow: 0 6px 24px rgba(0,245,255,0.1);
    }

    .history-card-img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      display: block;
      filter: grayscale(25%) brightness(0.8) contrast(1.05);
      transition: filter 0.3s ease;
    }

    .history-card:hover .history-card-img {
      filter: grayscale(0%) brightness(0.95) contrast(1.05);
    }

    /* 画像がない場合のプレースホルダー */
    .history-card-placeholder {
      width: 100%;
      aspect-ratio: 4 / 3;
      background:
        repeating-linear-gradient(
          45deg,
          transparent,
          transparent 8px,
          rgba(0,245,255,0.02) 8px,
          rgba(0,245,255,0.02) 9px
        ),
        var(--darker);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 6px;
      color: rgba(0,245,255,0.2);
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.7rem;
      letter-spacing: 2px;
      border-bottom: 1px solid var(--border);
    }

    .history-card-placeholder .ph-icon { font-size: 1.6rem; opacity: 0.3; }

    .history-card-body {
      padding: 10px 12px 12px;
    }

    .history-session-badge {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.62rem;
      color: var(--cyan);
      letter-spacing: 2px;
      border: 1px solid rgba(0,245,255,0.3);
      padding: 2px 8px;
      display: inline-block;
      margin-bottom: 5px;
    }

    .history-date {
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.72rem;
      color: rgba(0,245,255,0.5);
      margin-bottom: 7px;
      letter-spacing: 1px;
    }

    .history-report-link {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-family: 'Share Tech Mono', monospace;
      font-size: 0.65rem;
      color: rgba(0,245,255,0.6);
      letter-spacing: 1px;
      border: 1px solid rgba(0,245,255,0.2);
      padding: 3px 10px;
      text-decoration: none;
      transition: all 0.2s;
    }

    .history-report-link:hover {
      color: var(--cyan);
      border-color: rgba(0,245,255,0.5);
      background: rgba(0,245,255,0.06);
      box-shadow: 0 0 10px rgba(0,245,255,0.1);
    }

    @media (max-width: 620px) {
      .history-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    }
    @media (max-width: 380px) {
      .history-grid { grid-template-columns: 1fr; }
    }

  /* ─── Lightbox ─── */
  .lb-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(6, 8, 16, 0.96);
    backdrop-filter: blur(6px);
    align-items: center;
    justify-content: center;
    animation: lb-fadein 0.2s ease;
  }
  .lb-overlay.active {
    display: flex;
  }
  @keyframes lb-fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
  }

  /* グリッドオーバーレイ（ページと同じ） */
  .lb-overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(0,245,255,0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0,245,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
  }

  .lb-inner {
    position: relative;
    max-width: min(90vw, 960px);
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    animation: lb-scalein 0.22s cubic-bezier(0.22,1,0.36,1);
  }
  @keyframes lb-scalein {
    from { transform: scale(0.93); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
  }

  /* 画像フレーム */
  .lb-img-wrap {
    position: relative;
    border: 1px solid rgba(0,245,255,0.4);
    box-shadow:
      0 0 30px rgba(0,245,255,0.15),
      0 0 80px rgba(0,245,255,0.06);
    background: #000;
    width: 100%;
    line-height: 0;
  }
  /* 角装飾 */
  .lb-img-wrap::before,
  .lb-img-wrap::after {
    content: '';
    position: absolute;
    width: 18px; height: 18px;
    z-index: 2;
  }
  .lb-img-wrap::before {
    top: -1px; left: -1px;
    border-top: 2px solid var(--cyan);
    border-left: 2px solid var(--cyan);
  }
  .lb-img-wrap::after {
    bottom: -1px; right: -1px;
    border-bottom: 2px solid var(--cyan);
    border-right: 2px solid var(--cyan);
  }

  .lb-img {
    width: 100%;
    max-height: 72vh;
    object-fit: contain;
    display: block;
  }

  /* キャプション */
  .lb-caption {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: rgba(0,245,255,0.04);
    border: 1px solid rgba(0,245,255,0.2);
    border-top: none;
  }
  .lb-caption-session {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem;
    color: var(--cyan);
    letter-spacing: 2px;
    border: 1px solid rgba(0,245,255,0.3);
    padding: 2px 8px;
  }
  .lb-caption-date {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.68rem;
    color: rgba(0,245,255,0.5);
    letter-spacing: 1px;
  }
  .lb-caption-counter {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem;
    color: rgba(0,245,255,0.35);
    letter-spacing: 2px;
  }

  /* 閉じるボタン */
  .lb-close {
    position: absolute;
    top: -14px; right: -14px;
    width: 32px; height: 32px;
    background: var(--darker, #060810);
    border: 1px solid rgba(0,245,255,0.4);
    color: var(--cyan);
    font-family: 'Share Tech Mono', monospace;
    font-size: 1rem;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
    z-index: 10;
    line-height: 1;
  }
  .lb-close:hover {
    background: rgba(0,245,255,0.1);
    box-shadow: 0 0 12px rgba(0,245,255,0.3);
    color: #fff;
  }

  /* 前後ナビ */
  .lb-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px; height: 64px;
    background: rgba(6,8,16,0.7);
    border: 1px solid rgba(0,245,255,0.25);
    color: var(--cyan);
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
    backdrop-filter: blur(4px);
  }
  .lb-nav:hover {
    background: rgba(0,245,255,0.08);
    border-color: rgba(0,245,255,0.5);
    box-shadow: 0 0 16px rgba(0,245,255,0.15);
    color: #fff;
  }
  .lb-prev { left: -56px; }
  .lb-next { right: -56px; }

  /* スキャンライン（ページと同じ演出） */
  .lb-scanline {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
      0deg, transparent, transparent 3px,
      rgba(0,245,255,0.018) 3px, rgba(0,245,255,0.018) 4px
    );
    pointer-events: none;
    z-index: 1;
  }

  /* 画像にホバーカーソル追加 */
  .history-card-img { cursor: zoom-in; }

  @media (max-width: 620px) {
    .lb-prev { left: 4px; }
    .lb-next { right: 4px; }
    .lb-nav { width: 36px; height: 52px; font-size: 0.9rem; }
    .lb-close { top: -12px; right: -12px; width: 28px; height: 28px; }
    .lb-inner { max-width: 96vw; }
  }

/* CTA直下のギャラリー */
.fv-gallery{
  margin: 16px auto 0;
  width: min(760px, calc(100% - 32px));
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.fv-thumb{
  display:block;
  border-radius: 10px;
  overflow:hidden;
  border: 1px solid rgba(120, 220, 255, 0.22);
  background: rgba(0,0,0,0.18);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  transform: translateZ(0);
}

.fv-thumb img{
  width: 100%;
  aspect-ratio: 4 / 3;       /* サムネの形を統一 */
  object-fit: cover;
  display:block;
  filter: saturate(0.95) contrast(1.02);
  transition: transform .18s ease, filter .18s ease;
}

.fv-thumb:hover img{
  transform: scale(1.03);
  filter: saturate(1.05) contrast(1.06);
}

/* SP: 2x2 */
@media (max-width: 640px){
  .fv-gallery{ grid-template-columns: repeat(2, 1fr); }
}

/* Lightbox */
.fv-lightbox{
  position: fixed;
  inset: 0;
  z-index: 9999;
}

.fv-lightbox__backdrop{
  position:absolute;
  inset:0;
  background: rgba(0, 0, 0, 0.74);
}

.fv-lightbox__panel{
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: min(1100px, calc(100% - 24px));
  max-height: calc(100% - 24px);
  margin: 0;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(120, 220, 255, 0.25);
  background: rgba(10, 18, 40, 0.88);
  backdrop-filter: blur(8px);
  overflow: hidden;
  box-shadow: 0 30px 90px rgba(0,0,0,.55);
}

.fv-lightbox__close{
  position:absolute;
  top: 8px;
  right: 10px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(120, 220, 255, 0.22);
  background: rgba(0,0,0,0.25);
  color: #cfefff;
  font-size: 26px;
  line-height: 38px;
  cursor:pointer;
}

.fv-lightbox__img{
  width: 100%;
  max-height: calc(100vh - 140px);
  object-fit: contain;
  display:block;
  border-radius: 10px;
  background: rgba(0,0,0,0.18);
}

.fv-lightbox__cap{
  margin-top: 10px;
  color: rgba(220, 245, 255, 0.88);
  font-size: 13px;
}