.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; }

.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; max-width: 1200px; margin: 0 auto; }
.page-index__logo-item { display: flex; flex-direction: column; align-items: center; gap: 12px; width: 100%; max-width: 280px; text-align: center; background: #FFFFFF; border: 1px solid #E0E0E0; border-radius: 12px; padding: 12px; }
.page-index__logo-image { width: 100%; height: auto; display: block; aspect-ratio: 2/1; object-fit: contain; }
.page-index__logo-cta { display: inline-block; padding: 10px 22px; border-radius: 999px; background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); color: #ffffff; font-weight: 700; text-decoration: none; box-shadow: 0 4px 14px rgba(4, 119, 219, 0.25); border: none; cursor: pointer; transition: opacity 0.2s ease; }
.page-index__logo-cta:hover { opacity: 0.9; }
.page-index__logo-item:nth-child(5) { grid-column: 2; }
.page-index__logo-item:nth-child(6) { grid-column: 3; }

.page-index__guide-section { background: #F5F7FA; width: 100%; }
.page-index__guide-inner { max-width: 1000px; margin: 0 auto; padding: 16px 16px 48px; }
.page-index__guide-title { text-align: center; color: #E53935; margin: 12px 0 20px; font-size: 1.75rem; font-weight: 700; line-height: 1.3; }
.page-index__guide-inner p { color: #333333; line-height: 1.8; margin: 12px 0; }
.page-index__guide-inner h2 { color: #E53935; margin: 28px 0 12px; font-size: 1.4rem; font-weight: 700; line-height: 1.3; border-bottom: 2px solid #FF5A4F; padding-bottom: 8px; }
.page-index__guide-inner h3 { color: #333333; margin: 20px 0 8px; font-size: 1.15rem; font-weight: 700; line-height: 1.4; }
.page-index__guide-inner ul { padding-left: 20px; margin: 12px 0; }
.page-index__guide-inner li { color: #333333; margin-bottom: 8px; }
.page-index__guide-figure { margin: 24px auto; text-align: center; max-width: 800px; background: #FFFFFF; border-radius: 8px; padding: 12px; border: 1px solid #E0E0E0; }
.page-index__guide-image { width: 100%; height: auto; aspect-ratio: 2/1; object-fit: cover; display: block; border-radius: 4px; }
.page-index__guide-figure figcaption { font-size: 0.9rem; color: #666666; margin-top: 8px; font-style: italic; }
.page-index__guide-figure img { width: 100%; max-width: 800px; aspect-ratio: 2/1; object-fit: cover; display: block; border-radius: 4px; }
.page-index__guide-inner a { color: #E53935; font-weight: 600; text-decoration: underline; }
.page-index__guide-inner details { margin: 12px 0; background: #FFFFFF; border: 1px solid #E0E0E0; border-radius: 8px; padding: 12px 16px; }
.page-index__guide-inner summary { cursor: pointer; font-weight: 600; color: #333333; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.page-index__guide-inner summary::-webkit-details-marker { display: none; }
.page-index__guide-inner summary span { font-size: 1.2rem; color: #E53935; margin-left: 12px; }
.page-index__guide-inner details p { margin: 8px 0 0; color: #555555; line-height: 1.6; }

@media (max-width: 1024px) {
  .page-index__hero-image { aspect-ratio: 16/5; }
  .page-index__logo-grid { grid-template-columns: repeat(4, 1fr); gap: 16px; }
}

@media (max-width: 768px) {
  .page-index img { max-width: 100% !important; height: auto !important; }
  .page-index__hero-image { aspect-ratio: 2/1; }
  .page-index__hero-section { padding-top: 0; }
  .page-index__logo-grid-section { padding: 0 12px; margin: 12px auto 20px; }
  .page-index__logo-grid { grid-template-columns: repeat(2, 1fr); gap: 12px 10px; }
  .page-index__logo-item { padding: 8px; max-width: 100%; }
  .page-index__logo-item:nth-child(5), .page-index__logo-item:nth-child(6) { grid-column: auto; }
  .page-index__logo-cta { padding: 8px 16px; font-size: 0.9rem; width: 100%; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; text-align: center; }
  .page-index__guide-title { font-size: 1.35rem; }
  .page-index__guide-inner { padding: 12px 12px 32px; }
  .page-index__guide-inner h2 { font-size: 1.2rem; }
  .page-index__guide-inner h3 { font-size: 1.05rem; }
  .page-index__guide-figure { margin: 16px auto; padding: 8px; }
  .page-index__guide-inner details { padding: 10px 12px; }
  .page-index__guide-inner summary { font-size: 0.95rem; }
  .page-index__guide-inner p { font-size: 0.95rem; }
  a.page-index__logo-cta { max-width: 100%; box-sizing: border-box; }
}