:root {
      --bg: #f5fbff;
      --surface: #ffffff;
      --surface-2: #eef8ff;
      --line: #d8eaf6;
      --line-strong: #b7d7ea;
      --text: #14324a;
      --muted: #57758b;
      --primary: #0f7ac7;
      --primary-dark: #0b5f9c;
      --accent: #25a6dd;
      --success: #128266;
      --shadow: 0 16px 40px rgba(19, 60, 94, 0.08);
      --radius: 22px;
      --radius-sm: 14px;
      --container: 1200px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: Inter, Arial, Helvetica, sans-serif;
      color: var(--text);
      background: linear-gradient(180deg, #f7fcff 0%, #eff8fd 100%);
      line-height: 1.65;
    }
    img {
      max-width: 100%;
      display: block;
      height: auto;
    }
    a {
      color: inherit;
      text-decoration: none;
    }
    .container {
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }
    .section { padding: 78px 0; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 14px;
      border-radius: 999px;
      background: #eaf6ff;
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .02em;
      text-transform: uppercase;
    }
    .section-title {
      margin: 18px 0 14px;
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.15;
      letter-spacing: -0.03em;
    }
    .section-intro {
      max-width: 860px;
      color: var(--muted);
      font-size: 18px;
      margin: 0;
    }
    .btn-row {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 28px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 54px;
      padding: 0 22px;
      border-radius: 999px;
      font-weight: 700;
      font-size: 15px;
      transition: .2s ease;
      border: 1px solid transparent;
      box-shadow: var(--shadow);
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: #fff;
    }
    .btn-secondary {
      background: #fff;
      border-color: var(--line-strong);
      color: var(--primary-dark);
    }
    .btn-ghost {
      background: rgba(255,255,255,.7);
      border-color: rgba(255,255,255,.8);
      color: var(--text);
      box-shadow: none;
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(14px);
      background: rgba(247,252,255,.9);
      border-bottom: 1px solid rgba(183,215,234,.65);
    }
    .topbar-inner {
      min-height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: -.02em;
    }
    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--primary) 0%, #84dbff 100%);
      box-shadow: var(--shadow);
    }
    .top-links {
      display: flex;
      align-items: center;
      gap: 18px;
      color: var(--muted);
      font-size: 14px;
    }

    .breadcrumbs {
      padding: 18px 0 0;
      color: var(--muted);
      font-size: 14px;
    }
    .breadcrumbs a { color: var(--primary-dark); }

    .hero {
      padding: 26px 0 82px;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 28px;
      align-items: stretch;
    }
    .hero-copy,
    .hero-media {
      background: rgba(255,255,255,.78);
      border: 1px solid rgba(183,215,234,.72);
      box-shadow: var(--shadow);
      border-radius: 30px;
    }
    .hero-copy {
      padding: 38px;
    }
    .hero-title {
      margin: 16px 0 14px;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.04;
      letter-spacing: -0.04em;
    }
    .hero-subtitle {
      margin: 0;
      color: var(--muted);
      font-size: 18px;
      max-width: 62ch;
    }
    .hero-points {
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 12px;
      margin: 28px 0 0;
      padding: 0;
      list-style: none;
    }
    .hero-points li,
    .badge-card,
    .stat-card,
    .mini-card,
    .feature-card,
    .pain-card,
    .trust-card,
    .roi-card,
    .faq-item,
    .step-card,
    .case-card,
    .tech-card,
    .link-card,
    .contact-card,
    .testimonial-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
    }
    .hero-points li {
      padding: 14px 16px;
      font-weight: 600;
      color: #1b4560;
    }
    .hero-media {
      overflow: hidden;
      display: grid;
      grid-template-rows: auto auto;
    }
    .product-visual {
      aspect-ratio: 4 / 4.3;
      background: linear-gradient(180deg, #eaf7ff 0%, #dff2ff 100%);
      padding: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .product-visual img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      border-radius: 20px;
    }
    .hero-media-body {
      padding: 22px;
      display: grid;
      gap: 16px;
    }
    .trust-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 14px;
    }
    .trust-card {
      padding: 16px;
    }
    .trust-card strong {
      display: block;
      margin-bottom: 6px;
      font-size: 15px;
    }
    .trust-card span {
      color: var(--muted);
      font-size: 14px;
    }

    .stats {
      margin-top: 18px;
      display: grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 14px;
    }
    .stat-card {
      padding: 18px;
      text-align: center;
    }
    .stat-card .num {
      display: block;
      font-weight: 800;
      font-size: clamp(24px, 4vw, 34px);
      line-height: 1;
      color: var(--primary-dark);
      margin-bottom: 8px;
    }
    .stat-card .label {
      display: block;
      color: var(--muted);
      font-size: 14px;
    }

    .grid-3,
    .grid-4,
    .grid-2 {
      display: grid;
      gap: 18px;
    }
    .grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
    .grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }

    .mini-card,
    .feature-card,
    .pain-card,
    .roi-card,
    .step-card,
    .case-card,
    .tech-card,
    .link-card,
    .contact-card,
    .testimonial-card {
      padding: 22px;
      box-shadow: var(--shadow);
    }
    .mini-card h3,
    .feature-card h3,
    .pain-card h3,
    .roi-card h3,
    .step-card h3,
    .case-card h3,
    .tech-card h3,
    .link-card h3,
    .contact-card h3,
    .testimonial-card h3 {
      margin: 0 0 10px;
      font-size: 20px;
      line-height: 1.25;
      letter-spacing: -.02em;
    }
    .mini-card p,
    .feature-card p,
    .pain-card p,
    .roi-card p,
    .step-card p,
    .case-card p,
    .tech-card p,
    .link-card p,
    .contact-card p,
    .testimonial-card p {
      margin: 0;
      color: var(--muted);
    }
    .icon {
      width: 46px;
      height: 46px;
      border-radius: 14px;
      background: linear-gradient(135deg, #ecf8ff 0%, #d7f0ff 100%);
      border: 1px solid var(--line);
      display: grid;
      place-items: center;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 14px;
    }
    .list {
      margin: 14px 0 0;
      padding-left: 18px;
      color: var(--muted);
    }
    .list li + li { margin-top: 8px; }

    .split-panel {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 22px;
      margin-top: 28px;
    }
    .panel {
      background: rgba(255,255,255,.8);
      border: 1px solid var(--line);
      border-radius: 28px;
      padding: 28px;
      box-shadow: var(--shadow);
    }
    .panel h3 {
      margin-top: 0;
      font-size: 28px;
      line-height: 1.15;
      letter-spacing: -.03em;
    }
    .panel p { color: var(--muted); }

    .pain-card .label-top {
      display: inline-block;
      margin-bottom: 10px;
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: .03em;
    }

    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 18px;
      margin-top: 26px;
    }
    .case-visual {
      aspect-ratio: 4 / 3;
      border-radius: 16px;
      overflow: hidden;
      background: linear-gradient(180deg, #edf7ff 0%, #dfeef8 100%);
      border: 1px solid var(--line);
      margin-bottom: 16px;
    }
    .case-visual img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .case-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 12px 0 0;
    }
    .chip {
      padding: 6px 10px;
      background: #eef8ff;
      border: 1px solid var(--line);
      border-radius: 999px;
      font-size: 13px;
      color: var(--primary-dark);
      font-weight: 700;
    }

    .roi-table-wrap,
    .tech-table-wrap {
      margin-top: 22px;
      overflow: auto;
      border-radius: 18px;
      border: 1px solid var(--line);
      background: #fff;
      box-shadow: var(--shadow);
    }
    table {
      width: 100%;
      border-collapse: collapse;
      min-width: 720px;
    }
    th, td {
      padding: 16px 18px;
      text-align: left;
      border-bottom: 1px solid #e8f2f8;
      vertical-align: top;
    }
    th {
      background: #edf7ff;
      color: var(--primary-dark);
      font-size: 14px;
      text-transform: uppercase;
      letter-spacing: .04em;
    }
    td { color: var(--text); }

    .faq-list {
      display: grid;
      gap: 14px;
      margin-top: 28px;
    }
    details.faq-item {
      padding: 0;
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    details summary {
      list-style: none;
      cursor: pointer;
      padding: 22px 56px 22px 22px;
      position: relative;
      font-weight: 700;
      font-size: 18px;
    }
    details summary::-webkit-details-marker { display: none; }
    details summary::after {
      content: "+";
      position: absolute;
      right: 20px;
      top: 50%;
      transform: translateY(-50%);
      width: 28px;
      height: 28px;
      border-radius: 999px;
      background: #eef8ff;
      border: 1px solid var(--line);
      display: grid;
      place-items: center;
      color: var(--primary-dark);
      font-size: 20px;
      font-weight: 700;
    }
    details[open] summary::after { content: "−"; }
    .faq-answer {
      padding: 0 22px 22px;
      color: var(--muted);
    }

    .cta-band {
      background: linear-gradient(135deg, #0f7ac7 0%, #2bb7ec 100%);
      color: #fff;
      border-radius: 30px;
      padding: 34px;
      box-shadow: var(--shadow);
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 20px;
      align-items: center;
    }
    .cta-band h2 {
      margin: 0 0 10px;
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.08;
      letter-spacing: -.03em;
    }
    .cta-band p {
      margin: 0;
      color: rgba(255,255,255,.92);
      font-size: 17px;
    }
    .cta-band .btn-secondary,
    .cta-band .btn-ghost {
      background: rgba(255,255,255,.96);
      border-color: rgba(255,255,255,.9);
      color: var(--primary-dark);
    }

    .footer {
      padding: 38px 0 58px;
      color: var(--muted);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 22px;
      align-items: start;
    }
    .footer small { display: block; margin-top: 8px; }

    @media (max-width: 1100px) {
      .hero-grid,
      .split-panel,
      .cta-band,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
      .grid-3,
      .case-grid { grid-template-columns: 1fr; }
      .stats { grid-template-columns: repeat(2, minmax(0,1fr)); }
    }

    @media (max-width: 760px) {
      .section { padding: 58px 0; }
      .top-links { display: none; }
      .hero-copy,
      .hero-media,
      .panel,
      .cta-band { padding: 22px; }
      .hero-points,
      .grid-2,
      .grid-4,
      .trust-grid,
      .stats { grid-template-columns: 1fr; }
      .btn-row { flex-direction: column; }
      .btn { width: 100%; }
    }