.catalog-page { background: #f8fafc; }
.catalog-page [hidden] { display: none !important; }
.catalog-main { padding-bottom: 72px; }
.catalog-nav { display: flex; gap: 24px; padding: 10px 20px; overflow-x: auto; background: white; border-bottom: 1px solid var(--line); font-size: 15px; font-weight: 650; }
.catalog-nav a { display: inline-flex; align-items: center; min-height: 38px; white-space: nowrap; }
.catalog-nav a[aria-current] { color: var(--primary); }
.catalog-hero { padding: 50px 0 34px; }
.catalog-hero .eyebrow { margin-bottom: 12px; font-size: 14px; }
.catalog-hero h1 { font-size: clamp(36px, 5vw, 56px); line-height: 1.16; }
.catalog-hero p:last-child { max-width: 770px; margin-top: 20px; color: var(--ink-600); font-size: 18px; }
.catalog-breadcrumb { display: flex; flex-wrap: wrap; gap: 9px; padding: 26px 0; color: var(--ink-600); font-size: 14px; }
.catalog-breadcrumb a:hover { color: var(--primary); }
.catalog-intro-note { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 28px; padding: 18px 22px; border: 1px solid #cfdef5; border-radius: 16px; background: #eff6ff; color: #25466e; font-size: 16px; }
.catalog-intro-note a { flex-shrink: 0; color: var(--primary); font-weight: 750; }
.catalog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.catalog-card { display: flex; min-width: 0; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: white; box-shadow: 0 5px 18px rgba(15,23,42,.035); }
.catalog-card-media { display: block; overflow: hidden; background: #f1f4f7; }
.catalog-card-media img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; transition: transform .2s ease; }
.catalog-card-media:hover img { transform: scale(1.025); }
.catalog-card-copy { display: flex; flex: 1; flex-direction: column; padding: 25px; }
.catalog-tag { color: var(--primary); font-size: 13px; font-weight: 750; }
.catalog-card h2 { margin-top: 10px; font-size: 26px; }
.catalog-card-description { min-height: 52px; margin-top: 12px; color: var(--ink-600); font-size: 16px; line-height: 1.6; }
.catalog-card-spec { margin-top: 19px; padding-top: 17px; border-top: 1px solid var(--line); font-size: 15px; line-height: 1.65; }
.catalog-card-spec strong { display: block; font-size: 16px; }
.catalog-card-spec span { color: var(--ink-600); }
.catalog-price { margin-top: 18px; }
.catalog-price-label { color: var(--ink-600); font-size: 14px; }
.catalog-price-amount { display: block; margin-top: 4px; font-size: 29px; font-weight: 800; letter-spacing: -.04em; line-height: 1.35; }
.catalog-price-status { min-height: 40px; margin-top: 6px; color: var(--ink-600); font-size: 13px; line-height: 1.5; }
.catalog-retry { min-height: 40px; margin-top: 8px; padding: 6px 12px; border: 1px solid #b6c9e5; border-radius: 9px; background: #fff; color: var(--primary); font-size: 14px; font-weight: 700; cursor: pointer; }
.catalog-retry:disabled { cursor: wait; opacity: .6; }
.catalog-card .button { width: 100%; margin-top: auto; font-size: 16px; }
.catalog-card .catalog-price { margin-bottom: 22px; }
.catalog-image-note { margin-top: 20px; color: var(--ink-600); font-size: 14px; line-height: 1.65; }
.catalog-help { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 52px; padding: 30px 34px; border-radius: 22px; background: #eaf1ff; }
.catalog-help h2 { font-size: 27px; }
.catalog-help p { margin-top: 10px; color: var(--ink-600); font-size: 16px; }
.catalog-help .button { flex-shrink: 0; }
.catalog-detail-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; gap: 48px; }
.catalog-detail-figure { margin: 0; }
.catalog-detail-figure img { width: 100%; border: 1px solid var(--line); border-radius: 24px; background: #eef2f6; aspect-ratio: 1 / 1; object-fit: cover; }
.catalog-detail-figure figcaption { padding: 14px 3px; color: var(--ink-600); font-size: 13px; line-height: 1.65; }
.catalog-detail-summary { padding-top: 6px; }
.catalog-detail-summary h1 { margin-top: 10px; font-size: clamp(36px, 4vw, 48px); line-height: 1.2; }
.catalog-detail-lead { margin-top: 18px; color: var(--ink-600); font-size: 18px; line-height: 1.7; }
.catalog-representative { margin-top: 25px; padding: 22px; border: 1px solid #d5e0ef; border-radius: 18px; background: white; }
.catalog-representative h2 { font-size: 18px; }
.catalog-representative dl { display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: 9px 12px; margin: 18px 0 0; font-size: 15px; line-height: 1.6; }
.catalog-representative dt { color: var(--ink-600); }
.catalog-representative dd { margin: 0; font-weight: 650; }
.catalog-representative .catalog-price { padding-top: 20px; border-top: 1px solid var(--line); }
.catalog-representative .catalog-price-amount { font-size: 36px; }
.catalog-representative .catalog-price-status { min-height: 0; }
.catalog-detail-actions { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-top: 22px; }
.catalog-detail-actions .button { padding-inline: 17px; font-size: 16px; }
.catalog-order-note { margin-top: 15px; color: var(--ink-600); font-size: 14px; line-height: 1.65; }
.catalog-detail-sections { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 48px; }
.catalog-info { padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: white; }
.catalog-info h2 { margin-bottom: 20px; font-size: 24px; }
.catalog-info h3 { margin-top: 24px; font-size: 17px; }
.catalog-info p, .catalog-info li { color: var(--ink-600); font-size: 16px; line-height: 1.75; }
.catalog-info h3 + p { margin-top: 9px; }
.catalog-info ul { display: grid; gap: 10px; margin: 0; padding-left: 20px; }
.catalog-info a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.catalog-info-wide { grid-column: 1 / -1; }
.catalog-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin: 0; padding: 0; list-style: none; }
.catalog-steps strong { display: block; margin-bottom: 9px; color: var(--ink-900); font-size: 17px; }
.catalog-steps span { display: inline-grid; place-items: center; width: 25px; height: 25px; margin-right: 6px; border-radius: 50%; background: #eaf1ff; color: var(--primary); font-size: 13px; }
.catalog-info .catalog-guide-link { margin-top: 22px; font-weight: 700; }
.catalog-page noscript p { padding: 12px; border: 1px solid #cfdef5; border-radius: 10px; font-size: 14px; }
@media (min-width: 1000px) { .catalog-nav { display: none; } }
@media (max-width: 1050px) {
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-detail-hero { gap: 28px; }
  .catalog-detail-actions { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .catalog-hero { padding-top: 34px; }
  .catalog-hero p:last-child { font-size: 16px; }
  .catalog-intro-note { align-items: flex-start; flex-direction: column; font-size: 14px; }
  .catalog-grid, .catalog-detail-hero, .catalog-detail-sections, .catalog-steps { grid-template-columns: 1fr; }
  .catalog-grid { gap: 20px; }
  .catalog-card-media img { max-height: 380px; object-fit: contain; }
  .catalog-card-description { min-height: 0; }
  .catalog-detail-hero { gap: 16px; }
  .catalog-detail-figure img { max-height: 460px; object-fit: contain; }
  .catalog-detail-summary h1 { font-size: 36px; }
  .catalog-detail-lead { font-size: 16px; }
  .catalog-representative { padding: 20px; }
  .catalog-detail-sections { margin-top: 32px; gap: 16px; }
  .catalog-info { padding: 23px; }
  .catalog-info-wide { grid-column: auto; }
  .catalog-help { align-items: flex-start; flex-direction: column; padding: 26px; }
  .catalog-help h2 { font-size: 25px; }
  .catalog-help .button { width: 100%; }
  .catalog-steps { gap: 22px; }
}
@media (prefers-reduced-motion: reduce) { .catalog-card-media img { transition: none; } }