:root {
      --line-green: #06c755;
      --line-green-dark: #049846;
      --ink: #17212d;
      --ink-soft: #435163;
      --warm: #f5ede6;
      --warm-deep: #e9d3be;
      --card: #ffffff;
      --bg: #eef2f5;
      --gold: #c89a3d;
      --alert: #d94b4b;
      --border: #e7e8eb;
    }

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

    body {
      font-family: 'Noto Sans JP', sans-serif;
      background:
        radial-gradient(circle at top, rgba(201, 154, 61, 0.14), transparent 28%),
        linear-gradient(180deg, #f4f6f8 0%, #e9eef2 100%);
      color: var(--ink);
      line-height: 1.75;
      padding-bottom: 118px;
      margin: 0;
    }

    img {
      max-width: 100%;
      display: block;
    }

    /* 整体容器，原 distinguishedMasterLayout 概念保留 */
    .page-shell {
      width: 100%;
      max-width: 520px;
      margin: 0 auto;
      background: var(--card);
      box-shadow: 0 18px 40px rgba(18, 33, 52, 0.12);
      overflow: hidden;
    }

    /* ----- 头部区域：对应原 header.prominentVisionaryHeader ----- */
    .hero-block {
      position: relative;
      overflow: hidden;
      background: linear-gradient(135deg, #f3e6dd 0%, #fff9f2 100%);
    }

    .hero-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
      gap: 12px;
      align-items: end;
      padding: 24px 20px 0;
    }

    .hero-copy {
      padding-bottom: 26px;
    }

    .hero-label {
      display: inline-block;
      padding: 7px 12px;
      border-radius: 999px;
      border: 1px solid rgba(23, 33, 45, 0.12);
      background: rgba(255, 255, 255, 0.62);
      font-size: 0.84rem;
      color: var(--ink);
    }

    .hero-title {
      margin: 14px 0 8px;
      font-size: 2.05rem;
      line-height: 1.14;
      letter-spacing: -0.03em;
      font-weight: 800;
      color: var(--ink);
    }

    .hero-subtitle {
      margin: 0;
      font-size: 1.12rem;
      line-height: 1.45;
      font-weight: 800;
      color: var(--ink);
    }

    .hero-description {
      margin: 14px 0 0;
      font-size: 0.9rem;
      color: var(--ink-soft);
      line-height: 1.7;
    }

    .hero-mini-cta {
      display: inline-block;
      margin-top: 18px;
      padding: 10px 14px;
      border-radius: 999px;
      background: var(--line-green);
      color: #fff;
      font-size: 0.84rem;
      font-weight: 800;
      text-decoration: none;
      box-shadow: 0 10px 20px rgba(6, 199, 85, 0.22);
    }

    .hero-photo-wrap {
      position: relative;
      min-height: 294px;
    }

    .hero-shape-a,
    .hero-shape-b {
      position: absolute;
      background: #293342;
      z-index: 1;
    }

    .hero-shape-a {
      top: -28px;
      left: 8px;
      width: 72px;
      height: 170px;
      transform: skewX(-23deg);
    }

    .hero-shape-b {
      right: -22px;
      top: -12px;
      width: 96px;
      height: 320px;
      transform: skewX(0deg);
    }

    .hero-photo-shell {
      position: absolute;
      inset: 18px 0 0 0;
      overflow: hidden;
      clip-path: polygon(28% 0, 100% 0, 100% 100%, 48% 100%, 0 58%, 0 22%);
      box-shadow: 0 18px 28px rgba(18, 33, 52, 0.18);
      z-index: 2;
    }

    .hero-photo-shell img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* 主内容区域 */
    .content-wrapper {
      padding: 22px 20px 40px;
    }

    /* 注意バッジ */
    .notice-badge {
      background: linear-gradient(135deg, #fff7ef 0%, #fffdf9 100%);
      border: 1px solid var(--warm-deep);
      border-radius: 18px;
      padding: 16px 14px;
      text-align: center;
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
    }

    .notice-badge strong {
      display: block;
      font-size: 1.18rem;
      color: var(--ink);
      margin-bottom: 4px;
    }

    .notice-badge span {
      color: var(--alert);
      font-weight: 700;
    }

    .headline {
      margin: 24px 0 14px;
      font-size: 1.62rem;
      line-height: 1.45;
      letter-spacing: -0.02em;
      font-weight: 800;
    }

    .intro-text,
    .section-text {
      color: var(--ink-soft);
      font-size: 0.98rem;
      margin: 0 0 12px;
    }

    /* 个人资料卡片 (藤本茂简介) */
    .profile-card {
      display: flex;
      align-items: center;
      gap: 14px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 14px;
      margin: 18px 0;
      box-shadow: 0 10px 24px rgba(25, 36, 53, 0.06);
    }

    .profile-card img {
      width: 86px;
      height: 86px;
      border-radius: 50%;
      object-fit: cover;
      border: 3px solid rgba(6, 199, 85, 0.18);
      flex-shrink: 0;
    }

    .profile-card strong {
      display: block;
      font-size: 1.05rem;
      margin-bottom: 4px;
    }

    .profile-card p {
      margin: 0;
      color: var(--ink-soft);
      font-size: 0.9rem;
      line-height: 1.6;
    }

    /* 课程内容卡片区 */
    .section-card {
      margin-top: 22px;
      padding: 20px 18px;
      border-radius: 22px;
      background: linear-gradient(180deg, #faf7f3 0%, #ffffff 100%);
      border: 1px solid #ede4d9;
    }

    .section-heading {
      display: inline-block;
      margin: 0 0 14px;
      padding: 8px 14px;
      border-radius: 999px;
      background: var(--ink);
      color: #fff;
      font-size: 0.98rem;
      line-height: 1.3;
      font-weight: 700;
    }

    .emphasis {
      color: #0f6d46;
      font-weight: 700;
    }

    .action-note {
      margin: 18px 0 16px;
      padding: 16px;
      border-radius: 18px;
      background: linear-gradient(135deg, #fff6d7 0%, #fffdf2 100%);
      border: 1px solid #f1df9b;
      text-align: center;
      color: #6b5720;
      font-weight: 700;
    }

    .action-note strong {
      display: block;
      color: var(--alert);
      font-size: 1.05rem;
      margin-bottom: 4px;
    }

    .cta-button {
      display: block;
      text-decoration: none;
      text-align: center;
      color: #fff;
      background: linear-gradient(180deg, var(--line-green) 0%, var(--line-green-dark) 100%);
      border-radius: 999px;
      padding: 18px 16px;
      font-size: 1.08rem;
      font-weight: 800;
      letter-spacing: 0.01em;
      box-shadow: 0 14px 28px rgba(6, 199, 85, 0.28);
      animation: pulse 2s infinite;
      border: none;
      cursor: pointer;
    }

    .cta-button small {
      display: block;
      margin-top: 5px;
      font-size: 0.82rem;
      font-weight: 500;
      opacity: 0.94;
    }

    @keyframes pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.02); }
      100% { transform: scale(1); }
    }

    .points-grid {
      display: grid;
      gap: 12px;
      margin-top: 16px;
    }

    .point-card {
      background: #fff;
      border-radius: 18px;
      padding: 16px;
      border: 1px solid var(--border);
      box-shadow: 0 8px 20px rgba(19, 31, 47, 0.05);
    }

    .point-card h3 {
      margin: 0 0 8px;
      font-size: 0.98rem;
      color: #173f30;
      font-weight: 700;
    }

    .point-card p {
      margin: 0;
      color: var(--ink-soft);
      font-size: 0.92rem;
      line-height: 1.7;
    }

    /* 视觉块：藤本茂详细展示 */
    .visual-block {
      margin: 24px 0 12px;
    }

    .insight-visual {
      padding: 22px;
      border-radius: 24px;
      background: linear-gradient(145deg, #1a2431 0%, #253142 100%);
      box-shadow: 0 18px 34px rgba(18, 33, 52, 0.2);
      color: #fff;
    }

    .insight-layout {
      display: grid;
      grid-template-columns: 136px 1fr;
      gap: 16px;
      align-items: center;
    }

    .insight-portrait {
      width: 136px;
      height: 136px;
      border-radius: 50%;
      overflow: hidden;
      border: 8px solid rgba(212, 162, 76, 0.96);
      background: #d4a24c;
      box-shadow: 0 14px 24px rgba(0, 0, 0, 0.18);
      margin: 0 auto;
    }

    .insight-portrait img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .insight-content h3 {
      margin: 0 0 8px;
      font-size: 1.3rem;
      line-height: 1.4;
      font-weight: 700;
    }

    .insight-list {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .insight-pill {
      background: rgba(255, 255, 255, 0.95);
      color: var(--ink);
      border-radius: 12px;
      padding: 10px 12px;
      font-size: 0.84rem;
      font-weight: 700;
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
    }

    .insight-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 16px;
    }

    .insight-name {
      font-size: 0.92rem;
      font-weight: 700;
    }

    .insight-role {
      font-size: 0.77rem;
      color: rgba(255, 255, 255, 0.72);
    }

    .insight-chip {
      padding: 8px 12px;
      border-radius: 999px;
      background: var(--line-green);
      color: #fff;
      font-size: 0.76rem;
      font-weight: 800;
    }

    .feature-list {
      list-style: none;
      padding: 0;
      margin: 14px 0 0;
    }

    .feature-list li {
      position: relative;
      padding: 11px 0 11px 32px;
      border-bottom: 1px dashed #d6dbe1;
      color: var(--ink-soft);
      font-size: 0.95rem;
    }

    .feature-list li::before {
      content: "✓";
      position: absolute;
      left: 10px;
      top: 11px;
      color: var(--line-green-dark);
      font-weight: 800;
    }

    .steps {
      display: grid;
      gap: 10px;
      margin-top: 16px;
    }

    .step {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 14px;
    }

    .step-index {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: var(--ink);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.88rem;
      font-weight: 700;
      flex-shrink: 0;
    }

    .step strong {
      display: block;
      margin-bottom: 3px;
      font-size: 0.95rem;
    }

    .step p {
      margin: 0;
      font-size: 0.88rem;
      color: var(--ink-soft);
      line-height: 1.65;
    }

    .assurance {
      margin-top: 20px;
      padding: 16px;
      border-radius: 16px;
      background: #f7fafc;
      border: 1px solid #e4edf5;
      color: #677487;
      font-size: 0.87rem;
    }

    .secondary-cta {
      margin-top: 18px;
    }

    .footer {
      padding: 24px 20px 34px;
      text-align: center;
      font-size: 0.84rem;
      color: #788598;
      border-top: 1px solid #edf1f5;
    }

    .privacy-link {
      color: #1b70c9;
      text-decoration: underline;
      cursor: pointer;
    }

    .fixed-footer {
      position: fixed;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: min(520px, 100%);
      padding: 12px 16px 16px;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(14px);
      box-shadow: 0 -6px 20px rgba(18, 33, 52, 0.12);
      z-index: 20;
    }

    .fixed-footer .cta-button {
      margin: 0;
    }

    .privacy-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(17, 25, 36, 0.58);
      z-index: 30;
      justify-content: center;
      align-items: center;
      padding: 18px;
    }

    .privacy-modal {
      width: min(640px, 100%);
      max-height: 82vh;
      overflow-y: auto;
      background: #fff;
      border-radius: 20px;
      padding: 28px 24px;
      box-shadow: 0 20px 44px rgba(17, 25, 36, 0.24);
    }

    .privacy-modal h2 {
      margin: 0 0 18px;
      font-size: 1.35rem;
      color: var(--ink);
      text-align: center;
    }

    .privacy-modal h3 {
      margin: 18px 0 8px;
      font-size: 1rem;
      color: var(--ink);
    }

    .privacy-modal p,
    .privacy-modal li {
      color: var(--ink-soft);
      font-size: 0.9rem;
      line-height: 1.75;
    }

    .privacy-modal ul {
      margin: 0;
      padding-left: 18px;
    }

    .close-btn {
      display: block;
      margin: 22px auto 0;
      padding: 12px 32px;
      border: 0;
      border-radius: 999px;
      background: var(--ink);
      color: #fff;
      font-size: 0.95rem;
      cursor: pointer;
    }

    @media (max-width: 420px) {
      .hero-layout {
        grid-template-columns: 1fr;
        padding: 20px 16px 0;
      }
      .hero-copy {
        padding-bottom: 0;
      }
      .hero-title {
        font-size: 1.78rem;
      }
      .hero-photo-wrap {
        min-height: 258px;
      }
      .hero-photo-shell {
        inset: 8px 0 0 0;
      }
      .headline {
        font-size: 1.45rem;
      }
      .content-wrapper {
        padding: 18px 16px 36px;
      }
      .profile-card {
        align-items: flex-start;
      }
      .insight-layout {
        grid-template-columns: 1fr;
      }
      .insight-portrait {
        margin: 0 auto;
      }
    }