/* about.css — shared for EN/JP/KR/CN/ZN About pages */

:root{
  --bg-1: #2b2f7f;   /* deep periwinkle */
  --bg-2: #4b5bd6;   /* periwinkle */
  --bg-3: #0e1037;   /* deep blue */
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --card: rgba(255,255,255,.08);
  --border: rgba(255,255,255,.14);
  --shadow: 0 18px 55px rgba(0,0,0,.35);

  --max: 980px;
  --radius: 18px;
  --pad: clamp(18px, 2.5vw, 28px);
}

*{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }
body{
  margin:0;
  min-height:100vh;
  color:var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  line-height:1.65;

  background:
    radial-gradient(1200px 700px at 20% 12%, rgba(255,255,255,.10), transparent 60%),
    radial-gradient(900px 650px at 80% 20%, rgba(255,255,255,.08), transparent 58%),
    radial-gradient(900px 650px at 50% 100%, rgba(255,255,255,.06), transparent 55%),
    linear-gradient(135deg, var(--bg-1) 0%, var(--bg-2) 45%, var(--bg-3) 100%);
}

a{ color:inherit; text-decoration:none; }
a:focus-visible, button:focus-visible, select:focus-visible{
  outline: 2px solid rgba(255,255,255,.85);
  outline-offset: 3px;
  border-radius: 12px;
}

.skip-link{
  position:absolute;
  top:-60px; left:12px;
  background: rgba(0,0,0,.65);
  color:#fff;
  padding:10px 12px;
  border-radius: 12px;
  z-index: 9999;
  transition: top .18s ease;
}
.skip-link:focus{ top:12px; }

main{
  max-width: var(--max);
  margin: 0 auto;
  margin-top: 5%;
  padding: clamp(26px, 3vw, 44px) var(--pad) clamp(30px, 4vw, 70px);
}

.hero{
  margin-top: 6px;
  margin-bottom: 26px;
}

.kicker{
  color: rgba(255,255,255,.78);
  font-weight:600;
  letter-spacing:.14em;
  text-transform: uppercase;
  font-size: 12px;
}

h1{
  margin: 10px 0 0;
  font-size: clamp(34px, 4.2vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.lead{
  margin: 16px 0 0;
  color: rgba(255,255,255,.82);
  font-size: clamp(16px, 1.25vw, 18px);
  max-width: 70ch;
}

.sections{
  display:grid;
  gap: 18px;
  margin-top: 22px;
}

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(18px, 2.3vw, 26px);
  box-shadow: var(--shadow);
}

.card p{
  margin: 0;
  color: rgba(255,255,255,.88);
  font-size: 16px;
}
.card p + p{ margin-top: 14px; }