:root {
      --dark: #17112a;
      --purple: #6d35d8;
      --violet: #9b6cff;
      --soft: #f8f4ff;
      --white: #ffffff;
      --text: #2c2635;
      --muted: #6d6478;
      --line: #e6dbff;
      --shadow: 0 22px 58px rgba(67, 31, 130, 0.13);
      --radius: 28px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
      color: var(--text);
      line-height: 1.68;
      background:
        radial-gradient(circle at 12% 8%, rgba(109, 53, 216, 0.13), transparent 32%),
        radial-gradient(circle at 86% 18%, rgba(130, 211, 255, 0.22), transparent 30%),
        linear-gradient(180deg, #ffffff 0%, #f8f4ff 42%, #ffffff 100%);
    }

    a {
      text-decoration: none;
      color: inherit;
    }

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

    .wrap {
      width: min(1160px, calc(100% - 34px));
      margin: 0 auto;
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 99;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--line);
    }

    .topbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 12px 0;
    }

    .brand {
      font-weight: 900;
      color: var(--dark);
      letter-spacing: 0.2px;
    }

    .brand span {
      color: var(--purple);
    }

    .nav {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      justify-content: flex-end;
    }

    .nav a {
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: #ffffff;
      color: var(--dark);
      font-size: 13px;
      font-weight: 800;
    }

    .hero {
      position: relative;
      padding: 74px 0 62px;
      overflow: hidden;
    }

    .hero::after {
      content: "";
      position: absolute;
      width: 520px;
      height: 520px;
      border-radius: 50%;
      right: -170px;
      top: 20px;
      border: 60px solid rgba(109, 53, 216, 0.08);
      z-index: -1;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.03fr 0.97fr;
      gap: 46px;
      align-items: center;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 9px 16px;
      border-radius: 999px;
      color: var(--purple);
      background: rgba(109, 53, 216, 0.1);
      font-weight: 900;
      font-size: 14px;
    }

    .tag::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--purple);
      box-shadow: 0 0 0 7px rgba(109, 53, 216, 0.1);
    }

    h1 {
      margin: 22px 0 18px;
      font-size: clamp(38px, 5.3vw, 70px);
      line-height: 1.02;
      letter-spacing: -2px;
      color: var(--dark);
    }

    h1 span {
      color: var(--purple);
    }

    .lead {
      margin: 0;
      color: var(--muted);
      font-size: 18px;
      max-width: 690px;
    }

    .actions {
      margin-top: 30px;
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .btn {
      min-height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 22px;
      border-radius: 999px;
      font-weight: 900;
      border: 1px solid transparent;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--purple), var(--violet));
      color: #ffffff;
      box-shadow: 0 16px 34px rgba(109, 53, 216, 0.27);
    }

    .btn-white {
      background: #ffffff;
      color: var(--dark);
      border-color: var(--line);
    }

    .visual-card {
      padding: 18px;
      border-radius: 38px;
      background: rgba(255, 255, 255, 0.75);
      border: 1px solid rgba(255, 255, 255, 0.9);
      box-shadow: var(--shadow);
    }

    .image-box {
      overflow: hidden;
      border-radius: var(--radius);
      background: linear-gradient(135deg, #f0e8ff, #f4fbff);
      border: 1px solid var(--line);
    }

    .image-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .ratio-1200-800 {
      aspect-ratio: 1200 / 800;
    }

    .ratio-1200-700 {
      aspect-ratio: 1200 / 700;
    }

    .quick {
      margin-top: -20px;
      position: relative;
      z-index: 3;
    }

    .quick-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 28px;
      background: #ffffff;
      box-shadow: var(--shadow);
    }

    .quick-item {
      padding: 24px;
      border-right: 1px solid var(--line);
    }

    .quick-item:last-child {
      border-right: none;
    }

    .quick-item b {
      display: block;
      color: var(--purple);
      font-size: 25px;
      margin-bottom: 5px;
    }

    .quick-item span {
      color: var(--muted);
      font-size: 15px;
    }

    .section {
      padding: 74px 0;
    }

    .title {
      max-width: 840px;
      margin: 0 auto 40px;
      text-align: center;
    }

    .title h2 {
      margin: 14px 0;
      color: var(--dark);
      font-size: clamp(30px, 4vw, 50px);
      line-height: 1.13;
      letter-spacing: -0.8px;
    }

    .title p {
      margin: 0;
      color: var(--muted);
      font-size: 17px;
    }

    .story {
      display: grid;
      grid-template-columns: 0.92fr 1.08fr;
      gap: 30px;
      align-items: start;
    }

    .card {
      background: rgba(255, 255, 255, 0.86);
      border: 1px solid var(--line);
      border-radius: 30px;
      padding: 32px;
      box-shadow: var(--shadow);
    }

    .card h3 {
      margin: 0 0 14px;
      color: var(--dark);
      font-size: 28px;
      line-height: 1.2;
    }

    .card p {
      margin: 0 0 16px;
      color: var(--muted);
    }

    .card a {
      color: var(--purple);
      font-weight: 900;
      border-bottom: 1px solid rgba(109, 53, 216, 0.35);
    }

    .scale {
      display: grid;
      gap: 16px;
      margin-top: 26px;
    }

    .scale-row {
      display: grid;
      grid-template-columns: 140px 1fr;
      gap: 14px;
      align-items: center;
    }

    .scale-row strong {
      color: var(--dark);
      font-size: 15px;
    }

    .bar {
      height: 14px;
      border-radius: 999px;
      background: #efe8ff;
      overflow: hidden;
    }

    .bar span {
      display: block;
      height: 100%;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--purple), #b58cff);
    }

    .before span {
      width: 82%;
    }

    .after span {
      width: 34%;
    }

    .flow {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 14px;
    }

    .flow-card {
      padding: 22px 18px;
      border-radius: 22px;
      background: #ffffff;
      border: 1px solid var(--line);
      box-shadow: 0 14px 32px rgba(67, 31, 130, 0.08);
      min-height: 185px;
    }

    .flow-card b {
      display: grid;
      place-items: center;
      width: 42px;
      height: 42px;
      border-radius: 15px;
      color: #ffffff;
      background: linear-gradient(135deg, var(--purple), var(--violet));
      margin-bottom: 16px;
    }

    .flow-card h3 {
      margin: 0 0 10px;
      color: var(--dark);
      font-size: 19px;
    }

    .flow-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .two-col {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: center;
    }

    .check-list {
      display: grid;
      gap: 14px;
    }

    .check {
      display: grid;
      grid-template-columns: 36px 1fr;
      gap: 13px;
      padding: 16px;
      background: #ffffff;
      border: 1px solid var(--line);
      border-radius: 18px;
      box-shadow: 0 10px 24px rgba(67, 31, 130, 0.06);
    }

    .check span:first-child {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #ffffff;
      font-weight: 900;
      background: var(--purple);
    }

    .check strong {
      display: block;
      color: var(--dark);
      margin-bottom: 3px;
    }

    .check small {
      color: var(--muted);
      font-size: 14px;
    }

    .purple-band {
      border-radius: 36px;
      padding: 44px;
      color: #ffffff;
      background: linear-gradient(135deg, #1c1330, #5923b0 56%, #9160ff);
      box-shadow: 0 25px 64px rgba(23, 17, 42, 0.25);
    }

    .purple-band h2 {
      margin: 0 0 14px;
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.12;
    }

    .purple-band p {
      margin: 0 0 28px;
      max-width: 820px;
      color: rgba(255, 255, 255, 0.82);
    }

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

    .protocol-box {
      padding: 22px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.11);
      border: 1px solid rgba(255, 255, 255, 0.18);
    }

    .protocol-box strong {
      display: block;
      font-size: 18px;
      margin-bottom: 8px;
    }

    .protocol-box span {
      color: rgba(255, 255, 255, 0.78);
      font-size: 14px;
    }

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

    .mistake {
      padding: 26px;
      border-radius: 26px;
      background: #ffffff;
      border: 1px solid var(--line);
      box-shadow: 0 14px 34px rgba(67, 31, 130, 0.08);
    }

    .mistake h3 {
      margin: 0 0 10px;
      color: var(--dark);
      font-size: 21px;
    }

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

    .faq {
      max-width: 900px;
      margin: auto;
      display: grid;
      gap: 14px;
    }

    details {
      padding: 20px 22px;
      border-radius: 20px;
      background: #ffffff;
      border: 1px solid var(--line);
      box-shadow: 0 12px 30px rgba(67, 31, 130, 0.07);
    }

    summary {
      list-style: none;
      cursor: pointer;
      font-weight: 900;
      color: var(--dark);
      font-size: 17px;
    }

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

    details p {
      margin: 13px 0 0;
      color: var(--muted);
    }

    .final {
      text-align: center;
      padding: 58px 28px;
      border-radius: 36px;
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(246, 239, 255, 0.94));
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .final h2 {
      margin: 0 0 14px;
      color: var(--dark);
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.12;
    }

    .final p {
      max-width: 760px;
      margin: 0 auto 28px;
      color: var(--muted);
    }

    @media (max-width: 980px) {
      .hero-grid,
      .story,
      .two-col {
        grid-template-columns: 1fr;
      }

      .quick-grid,
      .flow,
      .protocol-grid,
      .mistakes {
        grid-template-columns: repeat(2, 1fr);
      }

      .topbar-inner {
        align-items: flex-start;
        flex-direction: column;
      }

      .nav {
        justify-content: flex-start;
      }
    }

    @media (max-width: 640px) {
      .wrap {
        width: min(100% - 26px, 1160px);
      }

      .hero {
        padding: 46px 0 40px;
      }

      h1 {
        font-size: 38px;
      }

      .section {
        padding: 48px 0;
      }

      .quick-grid,
      .flow,
      .protocol-grid,
      .mistakes {
        grid-template-columns: 1fr;
      }

      .quick-item {
        border-right: none;
        border-bottom: 1px solid var(--line);
      }

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

      .card,
      .purple-band {
        padding: 24px;
      }

      .scale-row {
        grid-template-columns: 1fr;
      }
    }