.page-index { color: #333333; background: #FFFFFF; min-height: 100vh; }

/* ===== Hero Section ===== */
.page-index__hero-section { padding-top: 0; margin-top: 0; width: 100%; overflow: hidden; }
.page-index__hero-container { width: 100%; max-width: 100%; margin: 0 auto; }
.page-index__hero-link { display: block; width: 100%; text-decoration: none; }
.page-index__hero-image { width: 100%; height: auto; aspect-ratio: 17/5; object-fit: cover; display: block; }

/* ===== 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; background: #fff; border-radius: 12px; padding: 12px; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.page-index__logo-image { width: 100%; height: auto; aspect-ratio: 2/1; object-fit: contain; display: block; }
.page-index__logo-cta { display: inline-block; width: 100%; max-width: 200px; padding: 12px 24px; border-radius: 999px; background: #0477db; color: #fff; font-weight: 700; font-size: 1rem; text-decoration: none; box-shadow: 0 4px 14px rgba(4, 119, 219, 0.35); transition: transform 0.2s, box-shadow 0.2s; text-align: center; box-sizing: border-box; }
.page-index__logo-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(4, 119, 219, 0.45); }
.page-index__logo-item:nth-child(5) { grid-column: 2; }
.page-index__logo-item:nth-child(6) { grid-column: 3; }

/* ===== Guide Section ===== */
.page-index__guide-section { width: 100%; background: #f9fafb; border-top: 1px solid #eef0f2; }
.page-index__guide-inner { max-width: 1000px; margin: 0 auto; padding: 16px 16px 48px; }
.page-index__guide-title { text-align: center; color: #0477db; margin: 12px 0 20px; font-size: clamp(1.4rem, 4vw, 2.1rem); font-weight: 800; line-height: 1.3; max-width: 900px; margin-left: auto; margin-right: auto; }
.page-index__guide-inner p { font-size: 1rem; line-height: 1.75; margin: 0 0 16px; color: #333; max-width: 100%; }
.page-index__guide-inner h2 { font-size: 1.6rem; color: #017439; margin-top: 32px; margin-bottom: 16px; line-height: 1.3; }
.page-index__guide-inner h3 { font-size: 1.25rem; color: #025b2c; margin-top: 24px; margin-bottom: 12px; line-height: 1.4; }
.page-index__guide-inner ol, .page-index__guide-inner ul { padding-left: 24px; margin: 0 0 20px; }
.page-index__guide-inner li { font-size: 1rem; line-height: 1.8; margin-bottom: 8px; }
.page-index__guide-inner a { color: #0477db; font-weight: 600; }
.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: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.page-index__guide-figure figcaption { font-size: .9rem; color: #666; margin-top: 8px; font-style: italic; }

/* ===== Responsive Menu ===== */
@media (max-width: 768px) {
  .page-index__hero-image { aspect-ratio: 2/1; max-width: 100%; height: auto; }
  .page-index__logo-grid { grid-template-columns: repeat(2, 1fr); gap: 12px 10px; }
  .page-index__logo-item:nth-child(5), .page-index__logo-item:nth-child(6) { grid-column: auto; }
  .page-index__logo-item { max-width: 100%; padding: 10px; }
  .page-index__logo-cta { max-width: 100%; white-space: normal; word-wrap: break-word; font-size: 0.95rem; padding: 10px 16px; }
  .page-index__logo-grid-section { padding: 0 10px; }
  .page-index__guide-inner { padding: 12px 16px 36px; }
  .page-index__guide-inner h2 { font-size: 1.3rem; }
  .page-index__guide-inner h3 { font-size: 1.1rem; }
  .page-index__guide-figure { margin: 16px auto; }
  .page-index__guide-figure img { max-width: 100%!important; height: auto!important; aspect-ratio: 2/1; }
  .page-index img { max-width: 100%!important; height: auto!important; }
}

@media (max-width: 480px) {
  .page-index__logo-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .page-index__logo-cta { font-size: 0.88rem; padding: 8px 12px; }
  .page-index__guide-title { font-size: clamp(1.2rem, 5vw, 1.5rem); }
}