:root {
      --ink: #132033;
      --text: #34465a;
      --muted: #66758a;
      --line: #dce7f1;
      --soft: #f7fbff;
      --white: #ffffff;
      --navy: #0b315f;
      --blue: #1d7bd8;
      --teal: #0bb6b9;
      --violet: #7c62d6;
      --peach: #fff4ef;
      --rose: #f36b8f;
      --shadow: 0 18px 42px rgba(16, 54, 95, 0.10);
      --radius: 24px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
      color: var(--text);
      line-height: 1.72;
      background:
        linear-gradient(90deg, rgba(247,251,255,0.92), rgba(255,244,239,0.85)),
        radial-gradient(circle at 8% 10%, rgba(29,123,216,0.12), transparent 28%),
        radial-gradient(circle at 92% 8%, rgba(243,107,143,0.10), transparent 30%);
    }

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

    a {
      color: var(--blue);
      font-weight: 800;
      text-decoration: none;
    }

    a:hover {
      color: var(--navy);
      text-decoration: underline;
    }

    .page {
      max-width: 1180px;
      margin: 0 auto;
      padding: 0 18px 48px;
    }

    .top-note {
      margin: 18px auto 0;
      max-width: 1180px;
      padding: 11px 18px;
      color: #ffffff;
      background: linear-gradient(90deg, var(--navy), var(--blue), var(--teal));
      border-radius: 0 0 22px 22px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      font-size: 14px;
      letter-spacing: 0.2px;
    }

    .hero {
      margin: 32px 0 30px;
      display: grid;
      grid-template-columns: 0.92fr 1.08fr;
      gap: 28px;
      align-items: stretch;
    }

    .hero-copy {
      padding: 44px;
      border-radius: 34px;
      background:
        linear-gradient(145deg, rgba(255,255,255,0.96), rgba(247,251,255,0.96)),
        radial-gradient(circle at top right, rgba(11,182,185,0.12), transparent 40%);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }

    .hero-copy::after {
      content: "";
      position: absolute;
      right: -120px;
      bottom: -120px;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(124,98,214,0.16), transparent 68%);
      pointer-events: none;
    }

    .label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 15px;
      border-radius: 999px;
      background: #ffffff;
      border: 1px solid var(--line);
      color: var(--navy);
      font-size: 13px;
      font-weight: 900;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      margin-bottom: 18px;
      position: relative;
      z-index: 1;
    }

    h1 {
      margin: 0 0 18px;
      color: var(--ink);
      font-size: clamp(34px, 4vw, 58px);
      line-height: 1.05;
      letter-spacing: -1.2px;
      position: relative;
      z-index: 1;
    }

    .lead {
      margin: 0 0 22px;
      color: var(--muted);
      font-size: 18px;
      max-width: 740px;
      position: relative;
      z-index: 1;
    }

    .answer-box {
      margin-top: 24px;
      padding: 22px;
      border-left: 5px solid var(--teal);
      background: #ffffff;
      border-radius: 18px;
      box-shadow: 0 10px 25px rgba(16, 54, 95, 0.08);
      position: relative;
      z-index: 1;
    }

    .answer-box strong {
      color: var(--ink);
    }

    .hero-media {
      padding: 18px;
      border-radius: 34px;
      border: 1px solid var(--line);
      background: #ffffff;
      box-shadow: var(--shadow);
    }

    figure {
      margin: 0;
    }

    .image-frame {
      width: 100%;
      overflow: hidden;
      border-radius: 26px;
      border: 1px solid var(--line);
      background: #ffffff;
    }

    .ratio-4-3 {
      aspect-ratio: 4 / 3;
    }

    .ratio-3-2 {
      aspect-ratio: 3 / 2;
    }

    .ratio-16-9 {
      aspect-ratio: 16 / 9;
    }

    .image-frame img {
      width: 100%;
      height: 100%;
      object-position: center;
      display: block;
    }

    .cover img {
      object-fit: cover;
    }

    .contain img {
      object-fit: contain;
      padding: 10px;
      background: #ffffff;
    }

    .image-note {
      padding: 10px 12px 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.45;
    }

    .quick-nav {
      display: flex;
      gap: 10px;
      overflow-x: auto;
      padding: 12px;
      margin: 0 0 30px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: #ffffff;
      box-shadow: 0 10px 24px rgba(16, 54, 95, 0.07);
    }

    .quick-nav a {
      white-space: nowrap;
      padding: 10px 15px;
      border-radius: 999px;
      background: var(--soft);
      color: var(--navy);
      font-size: 14px;
    }

    .section {
      margin-bottom: 28px;
      padding: 38px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255,255,255,0.96);
      box-shadow: var(--shadow);
    }

    .section.tint {
      background:
        linear-gradient(135deg, rgba(255,255,255,0.96), rgba(247,251,255,0.96)),
        radial-gradient(circle at top right, rgba(243,107,143,0.10), transparent 34%);
    }

    h2 {
      margin: 0 0 16px;
      color: var(--ink);
      font-size: clamp(27px, 3vw, 42px);
      line-height: 1.16;
      letter-spacing: -0.5px;
    }

    h3 {
      margin: 0 0 10px;
      color: var(--navy);
      font-size: 21px;
      line-height: 1.28;
    }

    .section p {
      margin: 0 0 18px;
    }

    .split {
      display: grid;
      grid-template-columns: 0.95fr 1.05fr;
      gap: 30px;
      align-items: center;
    }

    .compare-panel {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-top: 24px;
    }

    .compare-col {
      padding: 26px;
      border-radius: 24px;
      border: 1px solid var(--line);
      background: #ffffff;
      position: relative;
      overflow: hidden;
    }

    .compare-col::after {
      content: "";
      position: absolute;
      right: -70px;
      top: -70px;
      width: 160px;
      height: 160px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(29,123,216,0.10), transparent 70%);
      pointer-events: none;
    }

    .tag {
      display: inline-block;
      padding: 7px 12px;
      border-radius: 999px;
      color: #ffffff;
      background: var(--blue);
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .tag.teal {
      background: var(--teal);
    }

    .tag.rose {
      background: var(--rose);
    }

    .check-list,
    .minus-list {
      list-style: none;
      padding-left: 0;
      margin: 18px 0 0;
      display: grid;
      gap: 12px;
    }

    .check-list li,
    .minus-list li {
      position: relative;
      padding-left: 32px;
    }

    .check-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      top: 0;
      width: 23px;
      height: 23px;
      border-radius: 50%;
      background: var(--teal);
      color: #ffffff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      font-weight: 900;
    }

    .minus-list li::before {
      content: "•";
      position: absolute;
      left: 4px;
      top: 2px;
      color: var(--blue);
      font-size: 28px;
      line-height: 1;
    }

    .treatment-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .treatment {
      min-height: 170px;
      padding: 22px;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: #ffffff;
      box-shadow: 0 8px 22px rgba(16,54,95,0.06);
    }

    .icon {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      background: linear-gradient(135deg, var(--blue), var(--teal));
      color: #ffffff;
      font-weight: 900;
      font-size: 18px;
    }

    .treatment p {
      color: var(--muted);
      font-size: 15px;
      margin-bottom: 0;
    }

    .table-wrap {
      overflow-x: auto;
      margin-top: 24px;
      border: 1px solid var(--line);
      border-radius: 22px;
      background: #ffffff;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      min-width: 760px;
    }

    th,
    td {
      padding: 16px;
      border-bottom: 1px solid var(--line);
      text-align: left;
      vertical-align: top;
    }

    th {
      color: #ffffff;
      background: linear-gradient(90deg, var(--navy), var(--blue));
      font-weight: 900;
    }

    tr:last-child td {
      border-bottom: none;
    }

    td:first-child {
      color: var(--navy);
      font-weight: 900;
      background: #f2f9ff;
    }

    .note {
      margin-top: 22px;
      padding: 18px;
      border-radius: 18px;
      background: var(--peach);
      border-left: 5px solid var(--rose);
      color: #5a4250;
      font-size: 15px;
    }

    .cta-strip {
      margin-top: 24px;
      padding: 28px;
      border-radius: 26px;
      color: #ffffff;
      background:
        radial-gradient(circle at right top, rgba(255,255,255,0.28), transparent 30%),
        linear-gradient(135deg, var(--navy), var(--blue), var(--teal));
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
    }

    .cta-strip p {
      margin: 0;
      color: rgba(255,255,255,0.94);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 20px;
      border-radius: 999px;
      background: #ffffff;
      color: var(--navy);
      font-weight: 900;
      white-space: nowrap;
    }

    details {
      margin-bottom: 12px;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: #ffffff;
      overflow: hidden;
    }

    summary {
      cursor: pointer;
      padding: 16px 18px;
      color: var(--navy);
      font-weight: 900;
      list-style: none;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::after {
      content: "+";
      float: right;
      color: var(--blue);
      font-size: 22px;
      line-height: 1;
    }

    details[open] summary::after {
      content: "−";
    }

    details p {
      padding: 0 18px 18px;
      margin: 0;
      color: var(--text);
    }

    footer {
      text-align: center;
      padding: 28px 18px;
      color: var(--muted);
      font-size: 14px;
    }

    @media (max-width: 980px) {
      .hero,
      .split,
      .compare-panel,
      .cta-strip {
        grid-template-columns: 1fr;
      }

      .treatment-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .hero-copy,
      .section {
        padding: 28px 22px;
      }
    }

    @media (max-width: 560px) {
      .top-note {
        margin-top: 0;
        border-radius: 0;
      }

      h1 {
        font-size: 34px;
      }

      .lead {
        font-size: 16px;
      }

      .quick-nav {
        border-radius: 18px;
      }

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

      .btn {
        width: 100%;
      }
    }