/* ===== Desktop (base) ===== */
.page-ban-ca { background: #08162B; color: #F3F8FF; }
.page-ban-ca__hero-section { display: flex; flex-direction: column; align-items: center; padding-top: 10px; }
.page-ban-ca__hero-image-wrap { width: 100%; max-width: 1200px; margin: 0 auto; }
.page-ban-ca__hero-image { width: 100%; height: auto; aspect-ratio: 1020/300; object-fit: cover; display: block; border-radius: 12px; }
.page-ban-ca__intro { max-width: 1000px; margin: 0 auto; padding: 24px 16px; text-align: center; }
.page-ban-ca__intro-content h1 { font-family: inherit; font-weight: 800; line-height: 1.3; letter-spacing: 0.01em; color: #F3F8FF; margin-bottom: 12px; }
.page-ban-ca__intro-content p { color: #AFC4E8; font-size: 1rem; line-height: 1.7; max-width: 800px; margin: 0 auto 20px; }
.page-ban-ca__intro-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.page-ban-ca__btn { display: inline-block; padding: 12px 30px; border-radius: 999px; background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); color: #F3F8FF; font-weight: 700; text-decoration: none; border: none; cursor: pointer; transition: transform 0.2s, box-shadow 0.2s; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }
.page-ban-ca__btn:hover { transform: scale(1.02); box-shadow: 0 0 15px rgba(79,168,255,0.5); }
.page-ban-ca__btn--secondary { background: transparent; border: 2px solid #4FA8FF; color: #4FA8FF; }
.page-ban-ca__features { max-width: 1200px; margin: 0 auto; padding: 40px 16px; }
.page-ban-ca__features h2, .page-ban-ca__tips h2, .page-ban-ca__faq h2, .page-ban-ca__partners-logos h2 { text-align: center; font-weight: 700; color: #F3F8FF; margin-bottom: 28px; }
.page-ban-ca__features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.page-ban-ca__card { background: #10233F; border: 1px solid #244D84; border-radius: 12px; padding: 16px; text-align: center; }
.page-ban-ca__card-image { width: 100%; max-width: 400px; aspect-ratio: 2/1; object-fit: cover; border-radius: 8px; margin-bottom: 12px; display: block; }
.page-ban-ca__card h3 { color: #F3F8FF; margin: 10px 0 8px; font-weight: 700; }
.page-ban-ca__card p { color: #AFC4E8; font-size: 0.9rem; line-height: 1.5; }
.page-ban-ca__guide-section { background: #10233F; border-top: 1px solid #1B3357; border-bottom: 1px solid #1B3357; padding: 40px 0; }
.page-ban-ca__guide-inner { max-width: 1000px; margin: 0 auto; padding: 0 16px; }
.page-ban-ca__guide-inner > h2 { text-align: center; color: #F3F8FF; margin-bottom: 36px; }
.page-ban-ca__guide-step { display: flex; gap: 24px; align-items: center; margin-bottom: 40px; background: #08162B; border: 1px solid #244D84; border-radius: 12px; padding: 16px; }
.page-ban-ca__guide-step:nth-child(even) { flex-direction: row-reverse; }
.page-ban-ca__guide-figure { flex: 0 0 45%; display: flex; justify-content: center; }
.page-ban-ca__guide-figure img { width: 100%; max-width: 400px; aspect-ratio: 2/1; object-fit: cover; border-radius: 8px; display: block; }
.page-ban-ca__guide-text { flex: 1; }
.page-ban-ca__guide-label { display: inline-block; background: #1D5FD1; color: #F3F8FF; padding: 4px 12px; border-radius: 999px; font-size: 0.8rem; font-weight: 700; margin-bottom: 8px; }
.page-ban-ca__guide-text h3 { color: #F3F8FF; margin: 8px 0; }
.page-ban-ca__guide-text p { color: #AFC4E8; line-height: 1.6; }
.page-ban-ca__tips, .page-ban-ca__faq { max-width: 800px; margin: 0 auto; padding: 40px 16px; }
.page-ban-ca__tip-item, .page-ban-ca__faq-item { background: #10233F; border: 1px solid #244D84; border-radius: 8px; margin-bottom: 16px; overflow: hidden; }
.page-ban-ca__tip-summary, .page-ban-ca__faq-summary { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; cursor: pointer; list-style: none; color: #F3F8FF; font-weight: 600; }
.page-ban-ca__tip-summary::-webkit-details-marker, .page-ban-ca__faq-summary::-webkit-details-marker { display: none; }
.page-ban-ca__tip-icon, .page-ban-ca__faq-icon { font-style: normal; color: #F2C14E; font-size: 1.5rem; line-height: 1; }
.page-ban-ca__tip-content, .page-ban-ca__faq-content { padding: 0 20px 16px; color: #AFC4E8; line-height: 1.6; }
.page-ban-ca__partners-logos { max-width: 1200px; margin: 0 auto; padding: 40px 16px; }
.page-ban-ca__logo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px 16px; justify-items: center; }
.page-ban-ca__logo-item { display: flex; flex-direction: column; align-items: center; justify-content: space-between; gap: 12px; width: 100%; max-width: 240px; background: #10233F; border: 1px solid #244D84; border-radius: 12px; padding: 16px; box-sizing: border-box; }
.page-ban-ca__logo-item:nth-child(5) { grid-column: 2; }
.page-ban-ca__logo-item:nth-child(6) { grid-column: 3; }
.page-ban-ca__logo-image { width: 100%; max-width: 200px; aspect-ratio: 2/1; object-fit: contain; display: block; }
.page-ban-ca__logo-label { color: #AFC4E8; font-size: 0.85rem; text-align: center; }
.page-ban-ca__logo-cta { display: inline-block; padding: 8px 22px; border-radius: 999px; background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); color: #F3F8FF; font-weight: 700; text-decoration: none; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }

/* ===== Tablet (max-width: 1024px) ===== */
@media (max-width: 1024px) {
  .page-ban-ca__features-grid { grid-template-columns: repeat(2, 1fr); }
  .page-ban-ca__guide-step, .page-ban-ca__guide-step:nth-child(even) { flex-direction: column; text-align: center; }
  .page-ban-ca__guide-figure { flex: 1 1 auto; width: 100%; }
  .page-ban-ca__guide-figure img { max-width: 100%; }
}

/* ===== Mobile (max-width: 768px) ===== */
@media (max-width: 768px) {
  .page-ban-ca { overflow-x: hidden; max-width: 100%; }
  .page-ban-ca__hero-section { padding-top: 6px; }
  .page-ban-ca__hero-image { aspect-ratio: 2/1; }
  .page-ban-ca__features-grid { grid-template-columns: 1fr; }
  .page-ban-ca__card-image { max-width: 100%; }
  .page-ban-ca__guide-step, .page-ban-ca__guide-step:nth-child(even) { flex-direction: column; text-align: left; padding: 12px; }
  .page-ban-ca__guide-figure { width: 100%; }
  .page-ban-ca__guide-figure img { max-width: 100%; }
  .page-ban-ca__logo-grid { grid-template-columns: repeat(2, 1fr); }
  .page-ban-ca__logo-item:nth-child(5), .page-ban-ca__logo-item:nth-child(6) { grid-column: auto; }
  .page-ban-ca img { max-width: 100% !important; height: auto !important; }
  .page-ban-ca img.page-ban-ca__logo-image { width: auto; }
  .page-ban-ca__btn, .page-ban-ca__logo-cta { max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; }
  .page-ban-ca__intro-actions { width: 100%; max-width: 100%; overflow: hidden; box-sizing: border-box; }
}