:root{
  --base:#FDFCF5;
  --ink:#1b1b1b;
  --accent:#2E5339;
  --navy:#3C4F76;
  --gold:#D4AF37;
  --muted:#5f6b76;
  --card:#ffffff;
  --radius:18px;
  --shadow:0 10px 30px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: "Noto Sans JP", system-ui, -apple-system, Segoe UI, Roboto, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: var(--base);
  color: var(--ink);
  line-height:1.75;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy);text-decoration:none}
a:hover{opacity:.9}
.container{width:min(1100px, 92%);margin-inline:auto}

/* Skip */
.skip-link{
  position:absolute;left:-9999px;top:auto
}
.skip-link:focus{
  left:16px;top:16px;background:#fff;color:#000;padding:.5rem .75rem;border-radius:8px;z-index:1000
}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(253,252,245,.8);backdrop-filter: blur(8px);
  border-bottom:1px solid rgba(0,0,0,.05)
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.logo{font-weight:700;letter-spacing:.04em;color:var(--accent)}
.logo-link {
    color: var(--accent);
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo-link:hover {
    color: var(--navy);
    transform: scale(1.05);
}
.nav ul{display:flex;gap:20px;list-style:none;margin:0;padding:0}
.nav a{padding:6px 8px;border-radius:10px}
.nav a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.sns{display:flex;gap:12px}
.icon{display:inline-flex;padding:6px;border-radius:10px;background:#fff;border:1px solid rgba(0,0,0,.06)}
.icon:hover{transform:translateY(-1px)}
.icon:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

/* Hero / Student ID */
.hero{position:relative;padding:52px 0 32px}
.hero-bg{
  position:absolute;inset:0;z-index:-1;
  background: radial-gradient(1200px 600px at 70% -100px, rgba(60,79,118,.15), transparent),
              linear-gradient(180deg, rgba(46,83,57,.06), transparent 40%);
}
.student-id{
  background: var(--card);
  border-radius: var(--radius);
  border: 2px solid var(--accent);
  box-shadow: var(--shadow);
  overflow:hidden;
  transform: translateY(6px);
  animation: cardIn .6s ease-out forwards;
}
@keyframes cardIn {
  to { transform: translateY(0) }
}
.id-header{
  display:flex;align-items:center;gap:12px;
  padding:18px 20px;border-bottom:1px dashed rgba(0,0,0,.08);
  background: linear-gradient(90deg, rgba(212,175,55,.08), transparent 70%);
}
.id-header .title{
  margin:0;font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: clamp(20px, 3vw, 32px); color: var(--navy)
}
.id-header .title small{font-size:.6em;color:var(--muted);margin-left:.5em}
.school-badge{margin-left:auto;border:2px solid var(--gold);color:var(--gold);padding:.2rem .5rem;border-radius:999px;font-size:.9rem}
.seal{
  display:inline-block;border:2px solid #c0392b;color:#c0392b;border-radius:50%;padding:.25rem .5rem;font-weight:700;transform: rotate(-10deg);
}
.id-body{display:grid;grid-template-columns: 220px 1fr;gap:16px;padding:16px 20px}
.id-photo{
  background: #fff;
  border-radius:12px;border:1px solid rgba(0,0,0,.06);min-height:180px;
  position:relative;overflow:hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.id-photo img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}
.id-fields{margin:0}
.id-fields div{display:grid;grid-template-columns:8em 1fr;gap:8px;padding:6px 0;border-bottom:1px dashed rgba(0,0,0,.06)}
.id-fields dt{font-weight:700;color:var(--accent)}
.id-fields dd{margin:0}

/* Footer of ID */
.id-footer{
  display:flex;align-items:center;gap:16px;justify-content:space-between;padding:14px 20px;border-top:1px dashed rgba(0,0,0,.08)
}
.ticket-btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.7rem 1.2rem;border-radius:12px;border:2px solid var(--navy);background:#fff;color:var(--navy);font-weight:700;
  box-shadow: 0 2px 0 var(--navy);
  transition: transform .15s ease, box-shadow .15s ease;
}
.ticket-btn:hover{transform: translateY(-1px)}
.ticket-btn:active{transform: translateY(1px);box-shadow: 0 0 0 var(--navy)}
.ticket-btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.barcode{
  height:36px;flex:1;margin-left:16px;background:
    repeating-linear-gradient(90deg, rgba(0,0,0,.85) 0 2px, transparent 2px 4px),
    repeating-linear-gradient(90deg, rgba(0,0,0,.55) 0 1px, transparent 1px 2px);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  opacity:.3;border-radius:6px
}

/* Details */
.details{padding:28px 0}
.details h2,.flyers h2{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;color:var(--navy);margin-bottom:.3rem}
.facts{display:flex;gap:16px;flex-wrap:wrap;padding-left:1rem}
.facts li{background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:10px;padding:.4rem .6rem}

/* Synopsis */
.synopsis {
  margin-top: 2rem;
  padding: 1.5rem;
  background: #fff;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.06);
  box-shadow: var(--shadow);
}

.synopsis h3 {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  color: var(--navy);
  margin: 0 0 1rem 0;
  font-size: 1.5rem;
}

.synopsis p {
  margin: 0 0 1rem 0;
  line-height: 1.7;
  color: var(--text);
}

.synopsis p:last-child {
  margin-bottom: 0;
}

/* Flyers */
.flyers{padding:14px 0 56px}
.flyer-grid{display:grid;grid-template-columns: repeat(2, minmax(0,1fr));gap:16px}
.flyer-grid a{display:block;border-radius:12px;overflow:hidden;border:1px solid rgba(0,0,0,.06);background:#fff;box-shadow:var(--shadow);position:relative;min-height:200px;display:flex;align-items:center;justify-content:center}
.flyer-grid img{width:100%;height:auto;object-fit:contain;transition: transform .2s ease;aspect-ratio: 2/3;max-height:600px;object-position:center;flex-shrink:0;flex-grow:0;transform-origin:center;will-change:transform;min-height:0}
.flyer-grid a:hover img{transform:scale(1.02)}
.glightbox-clean .gdesc-inner{font-size:.95rem}

/* Footer */
.site-footer{border-top:1px solid rgba(0,0,0,.06);padding:18px 0;background:#fff}
.footer-inner{display:flex;align-items:center;justify-content:space-between}

/* Responsive */
@media (max-width: 820px){
  .id-body{grid-template-columns: 1fr}
  .id-photo{min-height: 200px}
  .barcode{display:none}
  .flyer-grid{grid-template-columns: 1fr}
}

@media (max-width: 480px){
  .flyer-grid{gap:12px}
  .flyer-grid a{padding:8px}
  .flyer-grid img{max-height:400px;object-fit:contain;width:100%;height:auto;aspect-ratio:2/3;min-height:0}
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{animation: none !important; transition: none !important}
}