@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700;900&display=swap');

    :root {
      --primary: #0aa9a3;
      --primary-dark: #088f89;
      --primary-light: #e0f7f6;
      --sub: #aadf00;
      --sub-dark: #90c200;
      --text-dark: #2a2a2a;
      --text-mid: #555555;
      --text-light: #888888;
      --bg-white: #ffffff;
      --bg-light: #f5fafa;
      --bg-dark: #1a3a39;
      --border: #d4eeec;
      color-scheme: light;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Noto Sans JP', 'LINE Seed JP', sans-serif;
      color: var(--text-dark);
      background: var(--bg-white);
      line-height: 1.8;
      font-size: 16px;
    }

    /* ========== HEADER / HERO ========== */
    .hero {
      position: relative;
      background: #0d2e2d;
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }

    /* 共催バー */
    .hero-top-bar {
      position: relative;
      z-index: 10;
      padding: 16px 40px;
      display: flex;
      align-items: center;
      gap: 12px;
      background: rgba(0,0,0,0.35);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }

    .hero-top-bar .co-host-label {
      font-size: 11px;
      color: rgba(255,255,255,0.5);
      letter-spacing: 0.12em;
      font-weight: 500;
      white-space: nowrap;
    }

    .hero-top-bar .companies {
      font-size: 13px;
      color: rgba(255,255,255,0.9);
      font-weight: 700;
      letter-spacing: 0.04em;
    }

    /* KV画像ラッパー */
    .hero-kv {
      position: relative;
      width: 100%;
      line-height: 0;
    }

    .hero-kv img {
      width: 100%;
      height: auto;
      display: block;
    }


    /* 開催情報バー */
    .hero-meta-bar {
      background: #0d2e2d;
      padding: 24px 40px 32px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 16px;
    }

    .hero-meta-item {
      display: flex;
      align-items: center;
      gap: 10px;
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.13);
      border-radius: 8px;
      padding: 14px 24px;
      backdrop-filter: blur(8px);
    }

    .hero-meta-item i {
      color: var(--sub);
      font-size: 18px;
    }

    .hero-meta-item .meta-label {
      font-size: 11px;
      color: rgba(255,255,255,0.45);
      display: block;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    .hero-meta-item .meta-value {
      font-size: 15px;
      color: #fff;
      font-weight: 700;
      display: block;
      letter-spacing: 0.02em;
    }

    .hero-meta-cta {
      margin-left: 8px;
    }

    @keyframes bounce {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(6px); }
    }

    /* ========== SECTION BASE ========== */
    section {
      padding: 96px 40px;
    }

    .container {
      max-width: 900px;
      margin: 0 auto;
    }

    .section-eyebrow {
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--primary);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .section-eyebrow::after {
      content: '';
      display: block;
      width: 32px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }

    .section-title {
      font-size: clamp(22px, 3vw, 32px);
      font-weight: 900;
      color: var(--text-dark);
      line-height: 1.4;
      margin-bottom: 16px;
      letter-spacing: 0.02em;
    }

    .section-lead {
      font-size: 16px;
      color: var(--text-mid);
      line-height: 1.9;
    }

    /* ========== SECTION A: MESSAGE ========== */
    .section-message {
      background: var(--bg-light);
    }

    .message-layout {
      margin-top: 48px;
      display: flex;
      flex-direction: column;
      gap: 0;
    }

    /* 課題ブロック */
    .pain-block {
      background: var(--bg-white);
      border-radius: 16px 16px 0 0;
      padding: 40px 48px 36px;
      border: 1px solid #f0d8d8;
      border-bottom: none;
    }

    .pain-block-label {
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: #c0392b;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .pain-block-label i {
      font-size: 13px;
    }

    .pain-points {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .pain-point {
      font-size: 19px;
      color: #c0392b;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 12px;
      line-height: 1.6;
      padding: 4px 0;
    }

    .pain-point i {
      font-size: 18px;
      flex-shrink: 0;
      color: #e74c3c;
    }

    /* 矢印ブリッジ */
    .solution-bridge {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 4px;
      padding: 0;
      position: relative;
      z-index: 1;
    }

    .solution-bridge::before,
    .solution-bridge::after {
      content: '';
      display: block;
    }

    .bridge-arrow {
      width: 0;
      height: 0;
      border-left: 40px solid transparent;
      border-right: 40px solid transparent;
      border-top: 28px solid var(--bg-white);
      filter: drop-shadow(0 4px 0 #d0eeec);
    }

    .bridge-label {
      background: var(--primary);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.12em;
      padding: 6px 20px;
      border-radius: 40px;
      margin-top: -8px;
      position: relative;
      z-index: 2;
      white-space: nowrap;
    }

    .bridge-label-wrap {
      display: flex;
      justify-content: center;
      background: linear-gradient(var(--bg-white) 50%, var(--primary-light) 50%);
      padding: 0;
    }

    /* 解決策ブロック */
    .solution-block {
      background: linear-gradient(135deg, #0e4e4a 0%, #0d2e2d 100%);
      border-radius: 0 0 16px 16px;
      padding: 40px 48px 48px;
      position: relative;
      overflow: hidden;
    }

    .solution-block::before {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse 50% 60% at 90% 50%, rgba(170,223,0,0.1) 0%, transparent 60%);
      pointer-events: none;
    }

    .solution-block-label {
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--sub);
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 8px;
      position: relative;
    }

    .solution-block-label i {
      font-size: 13px;
    }

    .solution-app-name {
      font-size: clamp(28px, 4vw, 44px);
      font-weight: 900;
      color: #fff;
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: 0.02em;
      position: relative;
    }

    .solution-app-name .highlight-green {
      color: var(--sub);
    }

    .solution-desc {
      font-size: 15px;
      color: rgba(255,255,255,0.75);
      line-height: 1.9;
      position: relative;
      margin-bottom: 32px;
      max-width: 680px;
    }

    .solution-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      position: relative;
    }

    .solution-tag {
      background: rgba(170,223,0,0.12);
      border: 1px solid rgba(170,223,0,0.35);
      border-radius: 40px;
      padding: 6px 16px;
      font-size: 13px;
      color: var(--sub);
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .solution-tag i {
      font-size: 11px;
    }

    .message-highlight {
      background: linear-gradient(transparent 60%, rgba(170,223,0,0.35) 60%);
      font-weight: 700;
      color: var(--text-dark);
    }

    .message-text {
      font-size: 16px;
      color: var(--text-mid);
      line-height: 2;
    }

    .message-text p + p {
      margin-top: 20px;
    }

    /* ========== SECTION B: SESSIONS ========== */
    .section-sessions {
      background: var(--bg-white);
    }

    .sessions-note {
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 48px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .sessions-note i {
      color: var(--primary);
    }

    .session-card {
      border-radius: 16px;
      border: 1px solid var(--border);
      overflow: hidden;
      margin-bottom: 32px;
      transition: box-shadow 0.3s ease;
    }

    .session-card:hover {
      box-shadow: 0 8px 32px rgba(10,169,163,0.12);
    }

    .session-header {
      padding: 24px 32px;
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .session-card:nth-child(1) .session-header { background: linear-gradient(135deg, #e8faf9, #c6f0ee); }
    .session-card:nth-child(2) .session-header { background: linear-gradient(135deg, #f0fae8, #daf0b8); }
    .session-card:nth-child(3) .session-header { background: linear-gradient(135deg, #e8f4fa, #c6dff0); }

    .session-num {
      font-size: 13px;
      font-weight: 900;
      color: var(--primary);
      letter-spacing: 0.15em;
      min-width: 80px;
    }

    .session-header-text {
      flex: 1;
    }

    .session-company {
      font-size: 12px;
      color: var(--text-mid);
      font-weight: 500;
      margin-bottom: 4px;
      letter-spacing: 0.05em;
    }

    .session-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-dark);
      line-height: 1.4;
    }

    .session-body {
      padding: 32px;
      background: var(--bg-white);
    }

    .speakers {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 28px;
    }

    .speaker {
      display: flex;
      align-items: center;
      gap: 12px;
      background: var(--bg-light);
      border-radius: 8px;
      padding: 12px 16px;
      flex: 1;
      min-width: 240px;
    }

    .speaker-avatar {
      width: 100px;
      height: 100px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .speaker-avatar img{ 
      max-width: 100%;
      border-radius: 50%;
    }

    .speaker-info .speaker-org {
      font-size: 11px;
      color: var(--text-light);
      line-height: 1.4;
      margin-bottom: 2px;
    }

    .speaker-info .speaker-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-dark);
    }

    .session-topics-label {
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--primary);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .session-topics {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .session-topics li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14px;
      color: var(--text-mid);
    }

    .session-topics li::before {
      content: '';
      width: 6px;
      height: 6px;
      background: var(--sub);
      border-radius: 50%;
      flex-shrink: 0;
      margin-top: 8px;
    }

    /* ========== SECTION C: OVERVIEW ========== */
    .section-overview {
      background: var(--bg-dark);
    }

    .section-overview .section-eyebrow {
      color: var(--sub);
    }

    .section-overview .section-eyebrow::after {
      background: var(--sub);
    }

    .section-overview .section-title {
      color: #fff;
    }

    .overview-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-top: 48px;
    }

    .overview-card {
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 16px;
      padding: 32px;
    }

    .overview-card.full-width {
      grid-column: 1 / -1;
    }

    .overview-card-title {
      font-size: 12px;
      font-weight: 700;
      color: var(--sub);
      letter-spacing: 0.15em;
      text-transform: uppercase;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .overview-card-title i {
      font-size: 14px;
    }

    .overview-detail {
      font-size: 15px;
      color: rgba(255,255,255,0.85);
      line-height: 1.8;
    }

    .overview-detail .detail-row {
      display: flex;
      gap: 12px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .overview-detail .detail-row:last-child {
      border-bottom: none;
    }

    .detail-label {
      font-size: 13px;
      color: rgba(255,255,255,0.45);
      min-width: 64px;
      flex-shrink: 0;
      padding-top: 2px;
    }

    .detail-value {
      font-size: 15px;
      color: rgba(255,255,255,0.9);
      font-weight: 500;
    }

    .badge-free {
      display: inline-block;
      background: var(--sub);
      color: var(--text-dark);
      font-size: 11px;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 40px;
      letter-spacing: 0.08em;
      vertical-align: middle;
      margin-left: 8px;
    }

    .target-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .target-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 15px;
      color: rgba(255,255,255,0.85);
    }

    .target-list li i {
      color: var(--sub);
      font-size: 14px;
      margin-top: 3px;
      flex-shrink: 0;
    }

    .program-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0;
      padding-left: 26px;
      border-left: 2px solid rgba(170,223,0,0.25);
    }

    .program-item {
      display: flex;
      gap: 20px;
      align-items: flex-start;
      padding: 12px 0;
      position: relative;
    }

    .program-item::before {
      content: '';
      position: absolute;
      left: -34px;
      top: 16px;
      width: 10px;
      height: 10px;
      background: var(--sub);
      border-radius: 50%;
      border: 2px solid var(--bg-dark);
    }

    .program-time {
      font-size: 13px;
      font-weight: 700;
      color: var(--sub);
      min-width: 80px;
      flex-shrink: 0;
      padding-top: 1px;
    }

    .program-content {
      font-size: 14px;
      color: rgba(255,255,255,0.8);
      line-height: 1.6;
    }

    .speakers-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .speaker-badge {
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 8px;
      padding: 10px 16px;
      font-size: 13px;
      color: rgba(255,255,255,0.8);
      font-weight: 500;
    }

    /* ========== CTA ========== */
    .section-cta {
      background: linear-gradient(135deg, var(--primary) 0%, #088f89 100%);
      text-align: center;
      padding: 80px 40px;
      position: relative;
      overflow: hidden;
    }

    .section-cta::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
      background-size: 40px 40px;
    }

    .cta-content {
      position: relative;
      z-index: 1;
    }

    .cta-title {
      font-size: clamp(22px, 3vw, 30px);
      font-weight: 900;
      color: #fff;
      margin-bottom: 12px;
      letter-spacing: 0.02em;
    }

    .cta-sub {
      font-size: 15px;
      color: rgba(255,255,255,0.75);
      margin-bottom: 40px;
    }

    .cta-note {
      font-size: 13px;
      color: rgba(255,255,255,0.55);
      margin-top: 16px;
    }

    /* ========== BUTTON ========== */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 18px 48px;
      border-radius: 8px;
      font-size: 16px;
      font-weight: 700;
      letter-spacing: 0.04em;
      cursor: pointer;
      text-decoration: none;
      border: none;
      position: relative;
      overflow: hidden;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .btn::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .btn:hover::before {
      left: 0;
    }

    .btn span, .btn i {
      position: relative;
      z-index: 1;
    }

    .btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 32px rgba(0,0,0,0.2);
    }

    .btn-primary {
      background: var(--sub);
      color: var(--text-dark);
    }

    .btn-primary::before {
      background: var(--sub-dark);
    }

    .btn-outline {
      background: transparent;
      color: #fff;
      border: 2px solid rgba(255,255,255,0.6);
    }

    .btn-outline::before {
      background: rgba(255,255,255,0.1);
    }

    /* ========== FOOTER ========== */
    footer {
      background: #111;
      padding: 40px;
      text-align: center;
    }

    .footer-company {
      font-size: 14px;
      font-weight: 700;
      color: rgba(255,255,255,0.8);
      margin-bottom: 12px;
    }

    .footer-links {
      display: flex;
      justify-content: center;
      gap: 24px;
      margin-bottom: 20px;
      flex-wrap: wrap;
    }

    .footer-links a {
      font-size: 12px;
      color: rgba(255,255,255,0.4);
      text-decoration: none;
      transition: color 0.2s;
    }

    .footer-links a:hover {
      color: var(--primary);
    }

    .footer-copy {
      font-size: 12px;
      color: rgba(255,255,255,0.25);
      letter-spacing: 0.05em;
    }

    /* ========== RESPONSIVE ========== */
    @media (max-width: 768px) {
      section {
        padding: 64px 24px;
      }

      .hero-top-bar {
        padding: 12px 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
      }

      .hero-meta-bar {
        padding: 16px;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
      }

      .hero-meta-item {
        width: 100%;
      }

      .hero-meta-cta {
        margin-left: 0;
      }

      .hero-meta-cta .btn {
        width: 100%;
        justify-content: center;
      }

      .pain-block,
      .solution-block {
        padding: 32px 24px;
      }

      .session-header {
        padding: 20px 24px;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }

      .session-body {
        padding: 24px;
      }

      .speaker {
        min-width: 100%;
      }

      .overview-grid {
        grid-template-columns: 1fr;
      }

      .program-list {
        padding-left: 18px;
        border-left-width: 2px;
      }

      .program-item::before {
        left: -26px;
      }

      .program-item {
        flex-direction: column;
        gap: 4px;
      }

      footer {
        padding: 32px 24px;
      }
    }

    /* ========== FIXED CTA BAR ========== */
    .fixed-cta {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(26, 58, 57, 0.96);
      backdrop-filter: blur(12px);
      border-top: 1px solid rgba(10,169,163,0.3);
      padding: 12px 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 24px;
      box-shadow: 0 -4px 24px rgba(0,0,0,0.25);
    }

    .fixed-cta-text {
      font-size: 14px;
      color: rgba(255,255,255,0.75);
      font-weight: 500;
      white-space: nowrap;
    }

    .fixed-cta-text strong {
      color: var(--sub);
    }

    .fixed-cta .btn {
      padding: 12px 32px;
      font-size: 14px;
      white-space: nowrap;
    }

    /* フッターの上に固定CTAバー分の余白 */
    body {
      padding-bottom: 72px;
    }

    @media (max-width: 600px) {
      .fixed-cta {
        flex-direction: column;
        gap: 8px;
        padding: 12px 16px;
      }
      .fixed-cta-text {
        font-size: 12px;
      }
      .fixed-cta .btn {
        width: 100%;
        justify-content: center;
        padding: 12px 24px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
      }
    }