/* site.css — platinum-cards.com 固有のデザイン（cms.css の上に重ねる。配色は theme.css のトークンのみ参照） */
.site-header { background: linear-gradient(90deg, var(--color-card-1), var(--color-card-2)); border-bottom: 2px solid var(--color-signal); }
.site-logo { display: inline-flex; align-items: center; gap: .55rem; color: #fff; font-family: var(--font-serif); font-size: 1.2rem; font-weight: 700; letter-spacing: .04em; flex-shrink: 0; }
.site-logo:hover { color: var(--color-signal); text-decoration: none; }
.site-logo__mark { width: 30px; height: 30px; flex-shrink: 0; }
.site-logo__tld { color: var(--color-signal); }
.site-nav__item > a { color: #dfe1e8; font-size: .95rem; white-space: nowrap; padding-inline: .6rem; }
.site-nav__item > a:hover { color: #fff; background: rgba(255, 255, 255, .12); }
.site-nav__item.is-active > a { color: var(--color-signal); }
.nav-toggle { border-color: rgba(255, 255, 255, .4); }
.nav-toggle__bar { background: #fff; }
.site-nav__submenu { background: var(--color-surface); width: max-content; min-width: 12rem; max-width: min(20rem, 90vw); }
.site-nav__submenu a { color: var(--color-text-muted); white-space: normal; overflow-wrap: anywhere; font-size: .88rem; line-height: 1.5; }
@media (max-width: 820px) {
  .site-nav { background: var(--color-card-1); }
  .site-nav__submenu { background: transparent; border-left-color: rgba(255, 255, 255, .3); }
  .site-nav__submenu a { color: #c5c8d2; }
}
.page h1 { line-height: 1.4; font-family: var(--font-serif); }
.page__body h2 { border-bottom: 0; padding: .1rem 0 .1rem .9rem; border-left: 5px solid var(--color-signal); margin-top: 2.6rem; font-family: var(--font-serif); }
.page__body h3 { color: var(--color-accent-strong); }
.lede { font-size: 1.1rem; }
.toc { border-left: 4px solid var(--color-signal); max-width: 26rem; padding: .65rem .95rem; margin: 1.1rem 0; font-size: .85rem; }
.toc li { margin: .15rem 0; line-height: 1.5; }
table.data-table thead th { background: var(--color-card-2); color: #fff; }

/* ヒーロー：カード券面 */
.hero { position: relative; overflow: hidden; color: #fff; margin: 0 0 2.5rem; padding: clamp(2rem, 6vw, 3.6rem) clamp(1.25rem, 5vw, 3rem);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
  background: radial-gradient(circle at 85% 20%, rgba(213, 216, 222, .18), transparent 45%), linear-gradient(150deg, var(--color-card-1), var(--color-card-2)); }
.hero__eyebrow { margin: 0 0 .6rem; color: var(--color-signal); font-weight: 700; letter-spacing: .18em; font-size: .8rem; text-transform: uppercase; }
.hero__title { font-family: var(--font-serif); font-size: clamp(1.7rem, 1rem + 3.2vw, 2.7rem); line-height: 1.35; margin: 0 0 1rem; font-weight: 700; }
.hero__lead { max-width: 38em; margin: 0 0 1.5rem; color: #d3d5dd; font-size: 1.02rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero__btn { display: inline-block; padding: .7rem 1.4rem; border-radius: 999px; background: var(--color-signal); color: #17130a; font-weight: 700; }
.hero__btn:hover { background: #cdb36c; color: #17130a; text-decoration: none; }
.hero__btn--ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, .5); }
.hero__btn--ghost:hover { background: rgba(255, 255, 255, .14); color: #fff; }
.hero__card { position: absolute; right: -2rem; bottom: -2.4rem; width: 15rem; aspect-ratio: 1.586; border-radius: 14px; transform: rotate(-12deg);
  background: linear-gradient(135deg, #e9ebf0, #9ea3ae 55%, #d5d8de); opacity: .22; }
@media (max-width: 640px) { .hero__card { display: none; } }

.glance { display: grid; gap: .75rem; margin: 1.5rem 0 2rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
.glance__item { display: flex; gap: .7rem; align-items: flex-start; padding: .85rem 1rem; background: var(--color-surface); border: 1px solid var(--color-border); border-top: 3px solid var(--color-signal); border-radius: var(--radius-md); }
.glance__item > .icon { flex-shrink: 0; width: 1.7rem; height: 1.7rem; margin: .15rem 0 0; color: var(--color-signal); }
.glance__label { margin: 0; font-size: .78rem; font-weight: 700; letter-spacing: .04em; color: var(--color-text-muted); }
.glance__text { margin: .1rem 0 0; font-size: .95rem; line-height: 1.55; }
.glance__text p { margin: 0; }
.page__icon { display: block; width: 2.4rem; height: 2.4rem; margin: 0 0 .5rem; color: var(--color-signal); }
.page__body h2 .icon, .page__body h3 .icon { color: var(--color-signal); }
.card { box-shadow: var(--shadow-sm); border-top: 3px solid var(--color-signal); }
.child-list a { box-shadow: var(--shadow-sm); }
.child-list a:hover { border-color: var(--color-signal); }
.cms-btn { background: var(--color-card-2); color: #fff; border-radius: 999px; }
.site-footer { background: var(--color-card-1); border-top: 3px solid var(--color-signal); }
.site-footer__logo, .site-footer__heading a { color: #fff; }
.site-footer__desc, .site-footer__col a, .site-footer__bottom p { color: #a9acb6; }
.site-footer__col a:hover { color: var(--color-signal); }
.site-footer__bottom { border-top-color: rgba(255, 255, 255, .18); }
.callout { position: relative; padding-left: 3rem; }
.callout::before { content: ""; position: absolute; left: .9rem; top: 1rem; width: 1.3rem; height: 1.3rem; background: currentColor; -webkit-mask: var(--i-info) no-repeat center / contain; mask: var(--i-info) no-repeat center / contain; }
.callout--tip::before { -webkit-mask-image: var(--i-sparkle); mask-image: var(--i-sparkle); }
.callout--important::before { -webkit-mask-image: var(--i-star); mask-image: var(--i-star); }
.callout--warning::before, .callout--caution::before { -webkit-mask-image: var(--i-warning); mask-image: var(--i-warning); }
.stage404 { text-align: center; padding: 3rem 1rem 4rem; }
.stage404__code { font-family: var(--font-serif); font-size: clamp(4rem, 18vw, 8rem); margin: 0; line-height: 1; }
.stage404__code span { color: var(--color-signal); }