.page-index { background-color: #F5F7FA; }
.page-index__hero-section { padding-top: 0; margin-top: 0; width: 100%; overflow: hidden; background-color: #F5F7FA; }
.page-index__hero-container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.page-index__hero-link { display: block; width: 100%; }
.page-index__hero-image { width: 100%; height: auto; aspect-ratio: 17/5; object-fit: cover; display: block; }

.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: 24px 20px; justify-items: center; width: 100%; 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; }
.page-index__logo-image { width: 100%; height: auto; aspect-ratio: 2/1; object-fit: contain; display: block; }
.page-index__logo-cta { display: inline-block; padding: 10px 22px; border-radius: 999px; background: #0477db; color: #ffffff !important; font-weight: 700; font-size: 1rem; text-decoration: none; box-shadow: 0 4px 14px rgba(4, 119, 219, 0.35); transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s; }
.page-index__logo-cta:hover { background: #0360b0; color: #ffffff !important; text-decoration: none; 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; }

.page-index__guide-section { background-color: #FFFFFF; border-top: 1px solid #E0E0E0; }
.page-index__guide-inner { max-width: 1050px; margin: 0 auto; padding: 32px 16px 48px; }
.page-index__guide-title { text-align: center; color: #0477db; font-weight: 800; line-height: 1.3; margin: 12px 0 20px; letter-spacing: 0.5px; }
.page-index__guide-lead { font-size: 1.1rem; line-height: 1.8; margin-bottom: 1.5rem; }
.page-index__guide-lead a { color: #E53935; text-decoration: underline; }
.page-index__guide-lead a strong { color: #E53935; }
.page-index__guide-inner h2 { font-size: 1.75rem; color: #333333; margin: 2rem 0 1rem; font-weight: 700; }
.page-index__guide-inner h3 { font-size: 1.35rem; color: #333333; margin: 1.5rem 0 0.75rem; font-weight: 600; }
.page-index__guide-inner p, .page-index__guide-inner li { line-height: 1.8; color: #444444; }
.page-index__guide-steps, .page-index__guide-notes { padding-left: 1.5rem; margin: 1rem 0; }
.page-index__guide-steps li, .page-index__guide-notes li { margin-bottom: 0.5rem; }
.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; }
.page-index__guide-figure figcaption { font-size: 0.9rem; color: #666666; margin-top: 8px; font-style: italic; }

.page-index__faq-item { border: 1px solid #E0E0E0; border-radius: 8px; margin: 10px 0; background-color: #FFFFFF; transition: background-color 0.2s; }
.page-index__faq-item[open] { background-color: #FFF5F5; }
.page-index__faq-item summary { cursor: pointer; font-weight: 600; padding: 14px 16px; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; color: #333333; }
.page-index__faq-item summary::-webkit-details-marker { display: none; }
.page-index__faq-toggle { font-size: 1.5rem; font-weight: 700; color: #E53935; line-height: 1; }
.page-index__faq-answer { padding: 0 16px 16px; color: #555555; }

@media (max-width: 1024px) {
  .page-index__guide-title { font-size: 1.5rem; }
  .page-index__guide-inner h2 { font-size: 1.5rem; }
  .page-index__guide-inner h3 { font-size: 1.2rem; }
}
@media (max-width: 768px) {
  .page-index { overflow-x: hidden; max-width: 100%; }
  .page-index .page-index__hero-image, .page-index .page-index__logo-image, .page-index .page-index__guide-figure img { max-width: 100% !important; height: auto !important; }
  .page-index__hero-image { aspect-ratio: 2/1; }
  .page-index__hero-container { padding: 0; }
  .page-index__logo-grid-section { padding: 0 12px; }
  .page-index__logo-grid { grid-template-columns: repeat(2, 1fr); gap: 16px 12px; }
  .page-index__logo-item { max-width: none; width: 100%; }
  .page-index__logo-item:nth-child(5) { grid-column: auto; }
  .page-index__logo-item:nth-child(6) { grid-column: auto; }
  .page-index__logo-cta { max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; padding: 10px 12px; font-size: 0.9rem; }
  .page-index__guide-inner { padding: 16px 16px 32px; max-width: 100%; box-sizing: border-box; }
  .page-index__guide-title { font-size: 1.3rem; }
  .page-index__guide-lead { font-size: 1rem; }
  .page-index__guide-inner h2 { font-size: 1.35rem; }
  .page-index__guide-inner h3 { font-size: 1.1rem; }
  .page-index__guide-figure { margin: 16px auto; width: 100%; }
}