.page-index { color: #1F2D3D; background: #F4F7FB; }
.page-index__hero-section { width: 100%; overflow: hidden; padding: 0; margin: 0; }
.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: 24px auto 32px; padding: 0 16px; }
.page-index__logo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px 16px; justify-items: center; background: #fff; padding: 32px 20px; border-radius: 12px; border: 1px solid #D6E2FF; box-shadow: 0 4px 24px rgba(47, 107, 255, 0.06); }
.page-index__logo-item { display: flex; flex-direction: column; align-items: center; gap: 12px; width: 100%; max-width: 280px; text-align: center; }
.page-index__logo-image { width: 100%; height: auto; aspect-ratio: 2/1; object-fit: contain; display: block; background: #F4F7FB; border-radius: 8px; padding: 8px; border: 1px solid #D6E2FF; }
.page-index__logo-cta { display: inline-block; padding: 12px 28px; border-radius: 999px; background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); color: #fff; font-weight: 700; font-size: 1rem; text-decoration: none; box-shadow: 0 4px 18px rgba(47, 107, 255, 0.35); border: 1px solid rgba(255,255,255,0.3); }
.page-index__logo-cta:hover { box-shadow: 0 6px 24px rgba(47, 107, 255, 0.5); }
.page-index__logo-item:nth-child(5) { grid-column: 2 / 3; }
.page-index__logo-item:nth-child(6) { grid-column: 3 / 4; }
.page-index__guide-section { background: #F4F7FB; padding: 40px 0; }
.page-index__guide-inner { max-width: 1000px; margin: 0 auto; padding: 16px 16px 56px; background: #fff; border-radius: 12px; border: 1px solid #D6E2FF; box-shadow: 0 4px 20px rgba(47, 107, 255, 0.05); }
.page-index__guide-title { text-align: center; color: #2F6BFF; margin: 20px auto 20px; line-height: 1.3; letter-spacing: -0.5px; max-width: 850px; }
.page-index__guide-intro { font-size: 1.05rem; line-height: 1.8; text-align: justify; }
.page-index__guide-inner h2 { color: #2F6BFF; margin-top: 40px; margin-bottom: 12px; font-size: 1.55rem; }
.page-index__guide-inner h3 { color: #1F2D3D; margin-top: 24px; margin-bottom: 8px; font-size: 1.2rem; }
.page-index__guide-inner p { line-height: 1.8; margin-bottom: 16px; }
.page-index__guide-inner ul { padding-left: 24px; margin: 16px 0; }
.page-index__guide-inner li { line-height: 1.8; margin-bottom: 8px; }
.page-index__guide-figure { margin: 28px 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: 10px; box-shadow: 0 4px 16px rgba(0,0,0,0.08); border: 1px solid #D6E2FF; }
.page-index__guide-figure figcaption { font-size: .9rem; color: #5A7184; margin-top: 10px; font-style: italic; }
.page-index__guide-inner details { background: #F8FBFF; border: 1px solid #D6E2FF; border-radius: 8px; padding: 16px 20px; margin-bottom: 14px; }
.page-index__guide-inner details[open] { background: #F0F5FF; }
.page-index__guide-inner summary { cursor: pointer; font-weight: 600; color: #1F2D3D; 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::after { content: '+'; font-size: 20px; color: #2F6BFF; font-weight: 700; }
.page-index__guide-inner details[open] summary::after { content: '-'; }
.page-index__guide-inner details h3 { display: inline; font-size: 1.05rem; color: #1F2D3D; margin: 0; }
.page-index__guide-inner details p { margin-top: 10px; margin-bottom: 0; color: #33475B; }
.page-index__guide-cta { display: inline-block; padding: 14px 40px; border-radius: 999px; background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); color: #fff; font-weight: 700; text-decoration: none; box-shadow: 0 6px 20px rgba(47, 107, 255, 0.4); margin-top: 8px; }
.page-index__guide-cta:hover { box-shadow: 0 8px 28px rgba(47, 107, 255, 0.55); }
@media (max-width: 1024px) {
  .page-index__logo-grid { grid-template-columns: repeat(3, 1fr); }
  .page-index__logo-item:nth-child(5) { grid-column: auto; }
  .page-index__logo-item:nth-child(6) { grid-column: auto; }
}
@media (max-width: 768px) {
  .page-index__hero-image { aspect-ratio: 2/1; }
  .page-index__logo-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 20px 12px; }
  .page-index__logo-item { gap: 8px; max-width: 100%; }
  .page-index__logo-cta { padding: 10px 16px; font-size: 0.9rem; width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; max-width: 100%; }
  .page-index__guide-inner { padding: 12px 12px 32px; }
  .page-index__guide-title { font-size: 1.35rem; }
  .page-index__guide-figure img { max-width: 100%; height: auto; }
  .page-index__guide-cta { width: 100%; box-sizing: border-box; text-align: center; }
  .page-index img { max-width: 100% !important; height: auto !important; }
  .page-index { overflow-x: hidden; max-width: 100%; }
}