:root{--bg:#07101d;--surface:#101c2e;--surface2:#16243a;--text:#eef5ff;--muted:#9aacc3;--line:rgba(255,255,255,.11);--gold:#f2cc70;--blue:#71b7ff;--green:#79e2a5}
*{box-sizing:border-box}
html{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Hiragino Sans",sans-serif;line-height:1.8}
body{margin:0;background:radial-gradient(circle at 50% -10%,#19304c 0,transparent 36%),var(--bg)}
a{color:#92c9ff}.site-head{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:18px;padding:12px max(18px,calc((100vw - 1040px)/2));background:rgba(7,16,29,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.site-brand{color:var(--gold);font-weight:900;font-size:20px;letter-spacing:.04em;text-decoration:none}.site-nav{display:flex;flex-wrap:wrap;gap:14px;margin-left:auto}.site-nav a{color:#c8d5e5;text-decoration:none;font-size:13px}.site-nav a:hover,.site-nav a[aria-current="page"]{color:#fff0b8}
main{width:min(100% - 32px,960px);margin:auto;padding:48px 0 70px}.hero{padding:32px clamp(22px,5vw,52px);border:1px solid rgba(242,204,112,.25);border-radius:24px;background:linear-gradient(145deg,rgba(24,43,69,.94),rgba(9,18,32,.96));box-shadow:0 22px 70px rgba(0,0,0,.28)}
.eyebrow{color:var(--gold);font-weight:900;font-size:12px;letter-spacing:.2em}.hero h1{max-width:780px;margin:8px 0 14px;font-size:clamp(30px,6vw,54px);line-height:1.25}.lead{max-width:760px;color:#cad7e7;font-size:clamp(15px,2vw,18px)}.meta{margin-top:18px;color:var(--muted);font-size:12px}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.cta{display:inline-flex;padding:10px 17px;border-radius:999px;background:linear-gradient(135deg,#b88725,#f1d079);color:#101010;font-weight:900;text-decoration:none}.cta.sub{background:var(--surface2);border:1px solid var(--line);color:#e9f2ff}
section{margin-top:42px}h2{margin:0 0 14px;font-size:clamp(22px,3vw,30px)}h3{margin:0 0 7px;font-size:17px;color:#fff1bb}p{margin:0 0 14px;color:#c2cfdf}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.card{padding:20px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(145deg,rgba(20,35,57,.92),rgba(12,23,39,.96))}.card p:last-child{margin-bottom:0}.number{display:grid;place-items:center;width:30px;height:30px;margin-bottom:10px;border-radius:50%;background:#356ea8;color:#fff;font-weight:900}
table{width:100%;border-collapse:collapse;background:rgba(9,18,31,.7);font-size:14px}th,td{padding:11px 12px;border:1px solid var(--line);text-align:left;vertical-align:top}th{color:#ffe8a0;background:rgba(242,204,112,.07)}td{color:#c7d4e4}.note{padding:16px 18px;border-left:4px solid var(--blue);background:rgba(64,142,216,.1);color:#d4e7fb}.safe{border-left-color:var(--green);background:rgba(61,177,112,.1)}ul{color:#c7d4e4;padding-left:22px}li{margin-bottom:8px}.faq details{margin-bottom:9px;padding:13px 15px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}summary{cursor:pointer;font-weight:800;color:#f1f6ff}.faq details p{margin:9px 0 0}
.site-foot{padding:28px 18px 46px;border-top:1px solid var(--line);text-align:center;color:var(--muted);font-size:12px}.site-foot nav{display:flex;justify-content:center;flex-wrap:wrap;gap:15px;margin-bottom:12px}.site-foot a{color:#afbed1}
.hero h1{text-wrap:balance}
.guide-figure{margin:24px 0 0;overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#08111f;box-shadow:0 18px 50px rgba(0,0,0,.24)}.guide-figure img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}.guide-figure figcaption{padding:11px 14px;color:var(--muted);font-size:12px}.guide-figure.editorial img{max-height:500px}.guide-figure.screen img{object-position:left top}
.portal-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);align-items:center;gap:36px;margin-top:0;padding:42px clamp(22px,5vw,54px);overflow:hidden;border:1px solid rgba(242,204,112,.25);border-radius:26px;background:radial-gradient(circle at 85% 25%,rgba(202,43,31,.25),transparent 35%),linear-gradient(145deg,rgba(24,43,69,.97),rgba(9,18,32,.98))}.portal-hero h1{margin:9px 0 16px;font-size:clamp(34px,4.2vw,50px);line-height:1.18}.portal-main-logo{display:block;width:100%;max-height:310px;object-fit:contain;filter:drop-shadow(0 18px 28px rgba(0,0,0,.48))}.game-showcase{display:grid;grid-template-columns:minmax(250px,.8fr) minmax(0,1.2fr);overflow:hidden;border:1px solid var(--line);border-radius:22px;background:linear-gradient(145deg,rgba(20,35,57,.96),rgba(10,20,35,.98))}.game-visual{display:grid;place-items:center;min-height:330px;padding:30px;background:radial-gradient(circle,rgba(203,44,30,.25),transparent 62%)}.game-visual img{width:100%;filter:drop-shadow(0 16px 25px rgba(0,0,0,.5))}.game-copy{padding:30px}.game-copy h3{margin:8px 0 12px;font-size:32px}.status-pill{display:inline-flex;padding:4px 10px;border:1px solid rgba(121,226,165,.45);border-radius:999px;background:rgba(63,181,112,.13);color:#9af0bc;font-size:11px;font-weight:900;letter-spacing:.12em}
@media(max-width:720px){.site-head{position:static;align-items:flex-start;flex-direction:column;gap:8px}.site-nav{margin-left:0;gap:10px 14px}.grid,.grid.three{grid-template-columns:1fr}main{padding-top:24px}.hero{border-radius:18px;padding:24px 20px}table{font-size:12px}th,td{padding:9px 8px}}
@media(max-width:720px){.portal-hero,.game-showcase{grid-template-columns:1fr}.portal-hero{gap:18px;padding:28px 20px}.portal-main-logo{max-height:210px}.game-visual{min-height:220px;padding:22px}.game-copy{padding:22px}.game-copy h3{font-size:27px}}
@media(max-width:720px){.guide-figure{border-radius:13px}.guide-figure.editorial img{aspect-ratio:4/3}.guide-figure.screen img{aspect-ratio:16/10}}
.portal-event{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;margin:28px 0;padding:clamp(22px,4vw,38px);border:1px solid rgba(255,207,75,.48);border-radius:20px;background:radial-gradient(circle at 90% 20%,rgba(255,62,34,.22),transparent 34%),linear-gradient(135deg,#241006,#0a101c 68%);box-shadow:0 18px 48px rgba(0,0,0,.35)}.portal-event h2{margin:10px 0;color:#ffe18a;font-size:clamp(25px,4vw,42px);line-height:1.22}.portal-event p{max-width:650px}.portal-event-prize{display:grid;gap:4px;min-width:220px;padding:22px;border:1px solid rgba(255,219,112,.42);border-radius:15px;background:rgba(0,0,0,.3);text-align:center}.portal-event-prize small{color:#ffcf60;font-weight:900;letter-spacing:.18em}.portal-event-prize b{color:#fff1a8;font-size:34px}.portal-event-prize span{font-size:11px}.portal-event-prize em{margin-top:8px;color:#aeb8c8;font-size:11px;font-style:normal}@media(max-width:720px){.portal-event{grid-template-columns:1fr}.portal-event-prize{min-width:0}}