/* =============================================================
   SHIRUBE — components.css
   Header / Drawer / CTA / Pill / Card / Cat card / Marquee / Footer
   ============================================================= */

/* -------------------------------------------------------------
   Header
   ------------------------------------------------------------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--t-base) var(--ease),
              border-color var(--t-base) var(--ease),
              backdrop-filter var(--t-base) var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-header.is-scrolled {
  background: rgba(255,255,255,.85);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom-color: rgba(26,26,26,.08);
}

.site-logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: .1em;
}
.site-logo__mark {
  width: 22px; height: 22px;
  background: var(--color-accent);
  border: 2px solid var(--color-border);
  border-radius: 6px;
  display: inline-block;
  transform: rotate(-8deg);
}
.site-logo__mark--light {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.site-nav__list {
  display: flex; align-items: center; gap: 28px;
  font-weight: 700; font-size: 15px;
}
.site-nav__list a {
  position: relative;
  padding: 6px 2px;
  transition: color var(--t-fast) var(--ease);
}
.site-nav__list a:not(.cta)::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--color-text);
  transform: scaleX(0); transform-origin: right;
  transition: transform var(--t-base) var(--ease);
}
.site-nav__list a:not(.cta):hover::after {
  transform: scaleX(1); transform-origin: left;
}

.site-nav__toggle {
  display: none;
  width: 44px; height: 44px;
  border: 2px solid var(--color-border);
  border-radius: var(--r-pill);
  background: var(--color-bg);
  position: relative;
}
.site-nav__toggle span {
  position: absolute; left: 12px; right: 12px; height: 2px;
  background: var(--color-text);
  transition: transform var(--t-base) var(--ease), top var(--t-base) var(--ease);
}
.site-nav__toggle span:nth-child(1) { top: 16px; }
.site-nav__toggle span:nth-child(2) { top: 24px; }
.site-nav__toggle[aria-expanded="true"] span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.site-nav__toggle[aria-expanded="true"] span:nth-child(2) { top: 20px; transform: rotate(-45deg); }

/* -------------------------------------------------------------
   Drawer (SP)
   ------------------------------------------------------------- */
.drawer {
  position: fixed; inset: 0;
  background: var(--color-bg);
  z-index: 90;
  opacity: 0; visibility: hidden;
  transition: opacity var(--t-base) var(--ease), visibility var(--t-base) var(--ease);
  display: flex; align-items: center; justify-content: center;
}
.drawer.is-open { opacity: 1; visibility: visible; }
.drawer__nav ul {
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(36px, 8vw, 56px);
  letter-spacing: .04em;
}
.drawer__nav li {
  opacity: 0; transform: translateY(16px);
  transition: opacity .35s var(--ease), transform .35s var(--ease);
  transition-delay: calc(var(--i) * 60ms);
  padding: 8px 0;
}
.drawer.is-open .drawer__nav li { opacity: 1; transform: translateY(0); }

@media (max-width: 767px) {
  .site-nav { display: none; }
  .site-nav__toggle { display: inline-block; }
}

/* -------------------------------------------------------------
   Buttons / CTA (カプセル)
   ------------------------------------------------------------- */
.cta {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 14px 22px 14px 26px;
  background: var(--color-text);
  color: #fff;
  border: 2px solid var(--color-text);
  border-radius: var(--r-pill);
  font-weight: 700; font-size: 15px;
  transition: background var(--t-base) var(--ease),
              color var(--t-base) var(--ease),
              border-color var(--t-base) var(--ease);
}
.cta__arrow {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: #fff;
  color: var(--color-text);
  transition: transform var(--t-base) var(--ease), background var(--t-base) var(--ease);
}
.cta:hover {
  background: var(--color-accent);
  color: var(--color-text);
  border-color: var(--color-accent);
}
.cta:hover .cta__arrow {
  transform: translateX(4px);
  background: var(--color-text);
  color: var(--color-accent);
}
.cta--sm { padding: 10px 16px 10px 18px; font-size: 14px; gap: 8px; }
.cta--sm .cta__arrow { width: 22px; height: 22px; }
.cta--lg { padding: 18px 28px 18px 32px; font-size: 16px; }
.cta--lg .cta__arrow { width: 30px; height: 30px; }
.cta--ghost {
  background: transparent;
  color: var(--color-text);
}
.cta--ghost .cta__arrow { background: var(--color-text); color: #fff; }
.cta--ghost:hover { background: var(--color-text); color: #fff; border-color: var(--color-text); }
.cta--ghost:hover .cta__arrow { background: var(--color-accent); color: var(--color-text); }

/* -------------------------------------------------------------
   Pill
   ------------------------------------------------------------- */
.pill {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-accent-soft);
  color: var(--color-text);
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
}

/* -------------------------------------------------------------
   Card grid (記事カード)
   ------------------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--card-gap);
}
@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .card-grid { grid-template-columns: 1fr; }
}

.card {
  display: block;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-nb);
  overflow: hidden;
  transition: transform var(--t-base) var(--ease),
              box-shadow var(--t-base) var(--ease);
  height: 100%;
}
.card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-nb-hover);
}
.card__thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-bottom: 2px solid var(--color-border);
}
.card__thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow) ease-out;
}
.card:hover .card__thumb img { transform: scale(1.05); }
.card__body { padding: 20px 22px 24px; }
.card__title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  margin: 12px 0 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card__date {
  font-family: var(--font-display);
  color: var(--color-text-sub);
  font-size: 13px;
  letter-spacing: .08em;
}

/* -------------------------------------------------------------
   Category cards
   ------------------------------------------------------------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--card-gap);
}
@media (max-width: 767px) {
  .cat-grid { grid-template-columns: 1fr; }
}
.cat-card {
  display: block;
  position: relative;
  padding: 40px 36px 36px;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-nb);
  transition: transform var(--t-base) var(--ease),
              box-shadow var(--t-base) var(--ease),
              background var(--t-base) var(--ease);
  overflow: hidden;
}
.cat-card::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--color-accent-soft);
  transform: translateY(100%);
  transition: transform var(--t-base) var(--ease);
  z-index: 0;
}
.cat-card > * { position: relative; z-index: 1; }
.cat-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-nb-hover);
}
.cat-card:hover::before { transform: translateY(0); }

.cat-card__no {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--color-text-sub);
  letter-spacing: .1em;
}
.cat-card__name {
  font-size: 26px;
  font-weight: 700;
  margin: 8px 0 16px;
  line-height: 1.4;
}
.cat-card__desc {
  color: var(--color-text-sub);
  font-size: 15px;
  margin-bottom: 24px;
  line-height: 1.8;
}
.cat-card__link {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700;
  font-size: 14px;
  border-bottom: 2px solid var(--color-text);
  padding-bottom: 2px;
  transition: gap var(--t-base) var(--ease);
}
.cat-card:hover .cat-card__link { gap: 14px; }

/* -------------------------------------------------------------
   Marquee
   ------------------------------------------------------------- */
.marquee {
  padding: 60px 0;
  overflow: hidden;
  border-top: 2px solid var(--color-border);
  border-bottom: 2px solid var(--color-border);
  background: var(--color-bg);
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marqueeSlide 30s linear infinite;
}
.marquee__text {
  font-family: var(--font-display);
  font-size: clamp(64px, 12vw, 120px);
  line-height: 1;
  letter-spacing: .04em;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-border);
  padding-right: 40px;
  white-space: nowrap;
}
@keyframes marqueeSlide {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* -------------------------------------------------------------
   Footer
   ------------------------------------------------------------- */
.site-footer {
  padding: 0 24px 24px;
}
.site-footer__box {
  max-width: var(--content-max);
  margin: 0 auto;
  background: var(--color-footer);
  color: #fff;
  border-radius: var(--r-footer);
  padding: 72px 56px 40px;
}
.site-footer__top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  flex-wrap: wrap;
}
.site-footer__logo {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: .1em;
  color: #fff;
}
.site-footer__tag {
  font-family: var(--font-accent);
  color: var(--color-accent);
  font-size: 26px;
  line-height: 1;
}
.site-footer__nav {
  padding: 40px 0 40px;
}
.site-footer__nav ul {
  display: flex; gap: 28px; flex-wrap: wrap;
  font-weight: 700; font-size: 14px;
}
.site-footer__nav a {
  color: #fff;
  transition: color var(--t-fast) var(--ease);
}
.site-footer__nav a:hover { color: var(--color-accent); }
.site-footer__bottom {
  color: rgba(255,255,255,.5);
  font-size: 12px;
  letter-spacing: .06em;
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 24px;
}
@media (max-width: 767px) {
  .site-footer__box { padding: 48px 28px 32px; border-radius: 28px; }
  .site-footer__top { flex-direction: column; align-items: flex-start; }
}