:root {
  color-scheme: dark;
  --bg: #070b12;
  --panel: #101723;
  --panel-2: #151f2d;
  --text: #eef4ff;
  --muted: #9eacc0;
  --line: #263447;
  --accent: #70f0c0;
  --accent-2: #8fb6ff;
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body { margin: 0; min-width: 320px; font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--text); background: radial-gradient(circle at 20% 0%, #102035 0, var(--bg) 38rem); line-height: 1.65; }
a { color: inherit; }
.site-header { max-width: 1120px; margin: 0 auto; padding: 24px clamp(20px, 5vw, 48px); display: flex; align-items: baseline; gap: 14px; border-bottom: 1px solid var(--line); }
.brand { text-decoration: none; font-weight: 800; letter-spacing: .03em; }
.brand-en { color: var(--muted); font-size: .72rem; letter-spacing: .16em; }
main { max-width: 1120px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 48px) 72px; }
.hero { padding: clamp(72px, 11vw, 128px) 0 80px; max-width: 850px; }
.eyebrow { margin: 0 0 12px; color: var(--accent); font-size: .74rem; font-weight: 800; letter-spacing: .16em; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: 0; font-size: clamp(2.7rem, 8vw, 6.3rem); line-height: .98; letter-spacing: -.055em; }
h2 { margin: 0; font-size: clamp(1.7rem, 4vw, 2.7rem); line-height: 1.15; }
.hero-copy { margin: 28px 0 0; max-width: 660px; color: #cbd6e7; font-size: clamp(1rem, 2.2vw, 1.2rem); }
.cycle { margin: 32px 0 0; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; color: var(--muted); }
.cycle span { padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; background: rgba(16, 23, 35, .7); }
.cycle b { color: var(--accent); }
.game-section, .concept { padding: 64px 0; border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.section-heading > p { max-width: 420px; margin: 0; color: var(--muted); }
.game-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 16px; }
.game-card { display: block; min-height: 240px; padding: 24px; text-decoration: none; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(145deg, var(--panel), var(--panel-2)); transition: transform .18s ease, border-color .18s ease; }
.game-card:hover { transform: translateY(-3px); border-color: #4d637e; }
.game-meta { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: .78rem; }
.game-card h3 { margin: 48px 0 8px; font-size: 1.55rem; line-height: 1.15; }
.game-card p { margin: 0; color: var(--muted); }
.game-card .card-link { display: inline-block; margin-top: 22px; color: var(--accent); font-weight: 700; }
.empty-state { margin: 0; padding: 32px; border: 1px dashed var(--line); border-radius: 18px; color: var(--muted); }
.concept-grid { margin-top: 28px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.concept-grid article { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: rgba(16, 23, 35, .72); }
.concept-grid strong { color: var(--accent-2); font-size: .78rem; }
.concept-grid h3 { margin: 24px 0 8px; }
.concept-grid p { margin: 0; color: var(--muted); }
footer { max-width: 1120px; margin: 0 auto; padding: 32px clamp(20px, 5vw, 48px) 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: .86rem; }
@media (max-width: 720px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: 2px; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .concept-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { .game-card { transition: none; } }