:root { --header-offset: 84px; --brand-blue: #0477db; --brand-blue-2: #2F6BFF; }

.page-index { color: #333333; }
.page-index a { color: var(--brand-blue); }

/* Module 0: Hero banner */
.page-index__hero-section { padding-top: 0; margin-top: 0; width: 100%; overflow: hidden; }
.page-index__hero-container { width: 100%; }
.page-index__hero-link { display: block; width: 100%; }
.page-index__hero-image { width: 100%; height: auto; display: block; object-fit: cover; aspect-ratio: 17/5; }

/* Module 1: Logo grid section */
.page-index__logo-grid-section { max-width: 1200px; margin: 16px auto 28px; padding: 0 16px; }
.page-index__logo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px 16px; justify-items: center; }
.page-index__logo-item { display: flex; flex-direction: column; align-items: center; gap: 12px; width: 100%; max-width: 280px; text-align: center; margin: 0 auto; }
.page-index__logo-image { width: 100%; height: auto; aspect-ratio: 2/1; object-fit: contain; display: block; border: 1px solid #f0f0f0; border-radius: 8px; padding: 10px; box-sizing: border-box; background: #fff; }
.page-index__logo-cta { display: inline-block; padding: 10px 22px; border-radius: 999px; background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); color: #fff; font-weight: 700; text-decoration: none; box-shadow: 0 4px 14px rgba(47, 107, 255, 0.35); max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; text-align: center; font-size: 15px; }    
.page-index__logo-item:nth-child(5) { grid-column: 2; }
.page-index__logo-item:nth-child(6) { grid-column: 3; }

/* Module 2: Guide section */
.page-index__guide-inner { max-width: 1000px; margin: 0 auto; padding: 16px 16px 48px; }
.page-index__guide-title { text-align: center; color: var(--brand-blue); margin: 12px 0 20px; font-weight: 700; line-height: 1.4; letter-spacing: 0.5px; }
.page-index__guide-inner h2 { color: var(--brand-blue); margin-top: 32px; font-size: 1.7em; line-height: 1.3; position: relative; padding-bottom: 8px; }
.page-index__guide-inner h3 { color: #1F2D3D; margin-top: 24px; font-weight: 600; }
.page-index__guide-inner p { line-height: 1.8; color: #1F2D3D; }
.page-index__guide-figure { margin: 24px auto; text-align: center; max-width: 800px; }
.page-index__guide-figure img { width: 100%; height: auto; aspect-ratio: 2/1; object-fit: cover; display: block; border-radius: 12px; }
.page-index__guide-figure figcaption { font-size: .9rem; color: #666; margin-top: 8px; }
.page-index__guide-inner details { margin: 12px 0; padding: 10px 16px; background: #FFFFFF; border: 1px solid #D6E2FF; border-radius: 8px; }
.page-index__guide-inner summary { font-weight: 600; cursor: pointer; color: #1F2D3D; word-break: break-word; }
.page-index__guide-inner ol, .page-index__guide-inner ul { padding-left: 20px; line-height: 1.8; color: #1F2D3D; }

@media (max-width: 1024px) {
  .page-index__logo-grid { grid-template-columns: repeat(2, 1fr); }
  .page-index__logo-item:nth-child(5) { grid-column: auto; }
  .page-index__logo-item:nth-child(6) { grid-column: auto; }
  .page-index__guide-inner h2 { font-size: 1.5em; }
}

@media (max-width: 768px) {
  .page-index__hero-image { aspect-ratio: 2/1; }
  .page-index__logo-grid { grid-template-columns: repeat(2, 1fr); gap: 14px 10px; }
  .page-index__logo-item { max-width: 100%; }
  .page-index__logo-cta { width: 100%; padding: 12px 8px; font-size: 14px; }
  .page-index__guide-inner { padding: 12px 8px 24px; }
  .page-index__guide-title { font-size: 1.35rem; }
  .page-index__guide-inner p, .page-index__guide-inner li { font-size: 15px; }
  .page-index img { max-width: 100% !important; height: auto !important; }
  .page-index { overflow-x: hidden; }
}