  <style>
    :root {
      --page-width: 1180px;
      --text-main: #111111;
      --text-muted: #5b5b5b;
      --text-soft: #6a6a6a;
      --border: #d6d6d6;
      --surface: #ffffff;
      --surface-soft: #f7f7f7;
      --surface-image: #f5f5f5;
      --primary: #009a83;
      --primary-deep: #007d6b;
      --error: #9b2d2d;
    }

    .main-visual {
      min-height: 500px;
      background: #f5f5f5;
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 30px 22px 18px;
    }


    .cta-group {
      display: grid;
      gap: 12px;
      max-width: 240px;
      margin-top: 52px;
    }

    .button,
    .button-link {
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 100%;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-size: 0.8rem;
      font-weight: 700;
      cursor: pointer;
      transition:
        background-color 160ms ease,
        border-color 160ms ease,
        color 160ms ease,
        transform 160ms ease;
    }

    .button:hover,
    .button-link:hover,
    .accordion-trigger:hover {
      transform: translateY(-1px);
    }

    .button-primary {
      background: var(--primary);
      color: #ffffff;
    }

    .button-primary:hover {
      background: var(--primary-deep);
    }

    .button-secondary {
      background: #ffffff;
      border-color: #111111;
      color: #111111;
    }

    .contact-line {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-top: 16px;
      font-size: 0.72rem;
    }

    .contact-line::before {
      content: "";
      width: 12px;
      height: 12px;
      border: 1.5px solid #111111;
      border-radius: 999px;
      display: inline-block;
      flex-shrink: 0;
    }

    .divider {
      border-top: 1px solid var(--border);
      margin: 42px 0 20px;
    }

    .variant-label {
      margin: 0 0 16px;
      font-size: 0.78rem;
      font-weight: 800;
      text-transform: uppercase;
    }

    .variant-grid {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .variant-card {
      width: 116px;
    }

    .variant-visual {
      width: 74px;
      height: 74px;
      border: 1px solid #cfcfcf;
      background: #ffffff;
      display: grid;
      place-items: center;
      margin: 0 auto;
    }

    .variant-name {
      margin-top: 8px;
      text-align: center;
      font-size: 0.72rem;
      line-height: 1.4;
      color: var(--text-main);
    }

    .section-divider {
      border-top: 1px solid var(--border);
      margin-top: 24px;
      padding-top: 24px;
    }

    .section-title {
      margin: 0 0 16px;
      font-size: 1.95rem;
      font-weight: 800;
      letter-spacing: -0.03em;
    }

    .section-copy,
    .video-copy,
    .calculator-intro,
    .result-copy {
      color: var(--text-soft);
      line-height: 1.75;
      font-size: 0.92rem;
    }

    .section-copy {
      max-width: 980px;
      margin: 0;
    }

    .video-layout,
    .calculator-layout {
      display: grid;
      gap: 34px;
      align-items: start;
    }

    .video-layout {
      grid-template-columns: 1fr;
    }

    .calculator-layout {
      grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
    }

    .video-copy {
      margin: 0;
      max-width: 48rem;
    }

    .video-frame {
      aspect-ratio: 16 / 9;
      min-height: 280px;
      background: linear-gradient(135deg, #1d2427, #0d1112);
      position: relative;
      overflow: hidden;
      display: grid;
      place-items: center;
    }

    .video-frame::before {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .video-placeholder {
      position: relative;
      z-index: 1;
      max-width: 320px;
      text-align: center;
      color: rgba(255, 255, 255, 0.92);
      padding: 20px;
    }

    .play-circle {
      width: 64px;
      height: 64px;
      border-radius: 999px;
      margin: 0 auto 14px;
      background: rgba(255, 255, 255, 0.12);
      display: grid;
      place-items: center;
    }

    .play-circle::before {
      content: "";
      margin-left: 4px;
      border-top: 10px solid transparent;
      border-bottom: 10px solid transparent;
      border-left: 16px solid #ffffff;
    }

    .video-placeholder strong {
      display: block;
      margin-bottom: 8px;
      font-size: 1rem;
    }

    .video-placeholder p {
      margin: 0;
      color: rgba(255, 255, 255, 0.74);
      line-height: 1.65;
      font-size: 0.85rem;
    }

    .calculator-panel,
    .calculator-side {
      background: #f7f7f7;
      padding: 24px;
    }

    .calculator-title {
      margin: 0;
      font-size: 1.45rem;
      line-height: 1.15;
      letter-spacing: -0.03em;
      font-weight: 800;
    }

    .calculator-intro {
      margin: 12px 0 0;
      max-width: 44rem;
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
      margin-top: 22px;
    }

    .field {
      display: grid;
      gap: 8px;
    }

    .field label {
      font-size: 0.82rem;
      font-weight: 700;
    }

    .field input {
      width: 100%;
      min-height: 44px;
      padding: 0 12px;
      border: 1px solid #c8c8c8;
      background: #ffffff;
      color: var(--text-main);
      outline: none;
    }

    .field input:focus {
      border-color: var(--primary);
    }

    .field small {
      color: var(--text-soft);
      line-height: 1.5;
      font-size: 0.78rem;
    }

    .calculator-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 20px;
    }

    .calculator-actions .button {
      width: auto;
      min-width: 170px;
    }

    .error {
      min-height: 22px;
      margin: 14px 0 0;
      color: var(--error);
      font-size: 0.82rem;
      font-weight: 600;
    }

    .result-strip {
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(200px, 0.85fr);
      gap: 16px;
      margin-top: 12px;
    }

    .result-card,
    .result-breakdown {
      background: #ffffff;
      padding: 18px;
      border: 1px solid #dfdfdf;
    }

    .result-kicker,
    .line-label {
      display: block;
      margin-bottom: 8px;
      font-size: 0.7rem;
      font-weight: 700;
      text-transform: uppercase;
      color: var(--text-muted);
      letter-spacing: 0.06em;
    }

    .result-pair {
      margin-bottom: 10px;
      font-size: 2rem;
      line-height: 1;
      letter-spacing: -0.04em;
      font-weight: 800;
    }

    .line + .line {
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px solid #e3e3e3;
    }

    .line-value {
      font-size: 1.2rem;
      font-weight: 700;
      letter-spacing: -0.02em;
    }

    .calculator-side h3 {
      margin: 0 0 14px;
      font-size: 1.05rem;
      font-weight: 800;
      letter-spacing: -0.02em;
    }

    .calculator-side p,
    .calculator-side li {
      color: var(--text-soft);
      line-height: 1.7;
      font-size: 0.88rem;
    }

    .calculator-side ol,
    .calculator-side ul {
      margin: 14px 0 0;
      padding-left: 18px;
    }

    .button:focus-visible,
    .button-link:focus-visible,
    .field input:focus-visible {
      outline: 2px solid rgba(0, 154, 131, 0.35);
      outline-offset: 2px;
    }

    @media (max-width: 980px) {
      .video-layout,
      .calculator-layout {
        grid-template-columns: 1fr;
      }


      .main-visual {
        min-height: 420px;
      }
    }

    @media (max-width: 720px) {

      .gallery-layout {
        grid-template-columns: 1fr;
      }

      .main-visual {
        min-height: 300px;
      }


      .cta-group {
        max-width: none;
      }

      .form-grid,
      .result-strip {
        grid-template-columns: 1fr;
      }

      .calculator-actions {
        flex-direction: column;
      }

      .calculator-actions .button {
        width: 100%;
      }
    }
  </style>
