:root{--bg:#0c0c0c;--bg2:#131317;--panel:#1a1a20;--purple:#a55cff;--blue:#5fb9ff;--pink:#ff6ad5;--ink:#ecebf2;--mut:#9798a8;--line:#2a2a33;--maxw:1140px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans JP",system-ui,sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
header.site{position:sticky;top:0;z-index:50;background:#0a0a0c;border-bottom:1px solid var(--line)}
.top{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800}
.rx{background:linear-gradient(135deg,var(--purple),var(--blue));color:#fff;padding:4px 10px;border-radius:8px;font-size:1rem;font-weight:900}
.logo .word{font-size:1.3rem;color:#fff}
nav.main{display:flex;gap:20px;align-items:center;font-size:.93rem}
nav.main a{color:#c9cad8;padding:6px 2px;border-bottom:2px solid transparent;font-weight:600}
nav.main a:hover,nav.main a.active{color:var(--purple);border-color:var(--purple)}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;color:#fff;cursor:pointer}
.btn{display:inline-block;background:linear-gradient(120deg,var(--purple),var(--blue));color:#fff;padding:12px 30px;border-radius:10px;font-weight:800;font-size:.95rem;transition:.15s}
.btn:hover{filter:brightness(1.12);transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--purple);border:1.5px solid var(--purple)}
.btn.sm{padding:8px 18px;font-size:.86rem}
.hero{padding:88px 0 72px;background:radial-gradient(circle at 78% 12%,rgba(165,92,255,.18) 0,transparent 44%),radial-gradient(circle at 12% 20%,rgba(95,185,255,.12) 0,transparent 42%),linear-gradient(180deg,#0c0c0c,#111115);text-align:center}
.eyebrow{display:inline-block;color:var(--blue);font-weight:800;letter-spacing:.22em;font-size:.8rem;margin-bottom:18px;border:1px solid rgba(95,185,255,.4);padding:6px 18px;border-radius:999px}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.18;font-weight:900;background:linear-gradient(90deg,#a55cff,#5fb9ff,#ff6ad5);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{margin:24px auto 0;max-width:720px;color:#c4c5d4;font-size:1.05rem}
.hero .cta-row{margin-top:32px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.stats{display:flex;justify-content:center;gap:36px;margin-top:44px;flex-wrap:wrap}
.stats div{text-align:center}
.stats b{display:block;font-size:1.7rem;font-weight:900;color:var(--purple)}
.stats span{color:var(--mut);font-size:.85rem}
section.blk{padding:60px 0}
section.blk.alt{background:var(--bg2)}
h2.sec{font-size:1.6rem;font-weight:800;margin-bottom:12px;color:#fff}
p.sec-sub{color:var(--mut);margin-bottom:28px;max-width:680px}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px}
.card .ic{color:var(--purple);font-weight:900;font-size:1.1rem;margin-bottom:8px}
.card h3{font-size:1.1rem;margin-bottom:8px;color:#fff}
.card p{color:#c2c3d2;font-size:.94rem}
.use{background:linear-gradient(160deg,#1d1630,#12121f);border:1px solid #3a2c5a;border-radius:14px;padding:24px}
.use h3{color:var(--purple);font-size:1.05rem;margin-bottom:6px}
.use p{color:#bfc0d0;font-size:.93rem}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:26px}
.ph-line{padding:13px 0;border-bottom:1px dashed #33333f;font-size:.95rem}
.ph-line:last-child{border-bottom:0}
.ph-line b{display:block;color:var(--blue);margin-bottom:2px}
.ph-line span{color:#c2c3d2}
.list{margin:14px 0 0 22px;color:#c2c3d2}
.list li{margin-bottom:10px}
.mods{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.mods span{background:var(--panel);border:1px solid var(--line);padding:8px 16px;border-radius:999px;color:#c5c6d6;font-size:.88rem}
.note{background:#1b1830;border-left:4px solid var(--purple);padding:16px 20px;border-radius:8px;color:#c4c5d4;font-size:.92rem;margin-top:26px}
.narrow{max-width:840px!important}
.phead{padding:56px 0 30px;border-bottom:1px solid var(--line)}
.phead h1{font-size:clamp(1.9rem,4.4vw,2.9rem);font-weight:900;line-height:1.18;color:#fff}
.lede{margin-top:16px;max-width:700px;color:#c2c3d2;font-size:1.03rem}
.crumb{font-size:.85rem;color:var(--mut);margin-bottom:18px}
.crumb a{color:var(--purple)}
.faqwrap{display:flex;flex-direction:column;gap:12px}
.faq{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq summary{padding:18px 22px;cursor:pointer;font-weight:700;color:#fff;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--purple)}
.faq[open] summary::after{content:"–"}
.faq .a{padding:2px 22px 18px;color:#c2c3d2;font-size:.95rem}
footer.site{border-top:1px solid var(--line);margin-top:60px;padding:40px 0 26px;color:var(--mut);font-size:.9rem;background:#0a0a0c}
.ft{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.ft nav{display:flex;gap:18px;flex-wrap:wrap}
.ft nav a:hover{color:var(--purple)}
.legal{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);font-size:.82rem;color:#64656f}
@media(max-width:900px){
  .g3,.g2{grid-template-columns:1fr}.split{grid-template-columns:1fr}
  .nav-toggle{display:block}
  nav.main{position:fixed;top:66px;left:0;right:0;background:#0a0a0c;flex-direction:column;align-items:flex-start;padding:18px 24px;gap:16px;border-bottom:1px solid var(--line);display:none}
  nav.main.open{display:flex}
  .phead{padding:40px 0 22px}.hero{padding:60px 0 52px}
}