:root{--bg:#14141f;--bg2:#1d1d2e;--cyan:#61d8fc;--pink:#ff5fa2;--purple:#9b6bff;--ink:#1a1a28;--paper:#f3f4fb;--line:#dcdff0;--maxw:1120px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);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:#11111c;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.top{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800}
.cube{background:linear-gradient(135deg,var(--cyan),var(--purple));color:#0b0b16;padding:5px 9px;border-radius:9px;font-size:.95rem;font-weight:900;letter-spacing:.02em}
.logo .word{font-size:1.25rem;color:#fff}
nav.main{display:flex;gap:20px;align-items:center;font-size:.93rem}
nav.main a{color:#cfd2ea;padding:6px 2px;border-bottom:2px solid transparent;font-weight:600}
nav.main a:hover,nav.main a.active{color:var(--cyan);border-color:var(--cyan)}
.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(--cyan),var(--purple));color:#0b0b16;padding:12px 30px;border-radius:999px;font-weight:800;font-size:.95rem;transition:.15s}
.btn:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--cyan);border:1.5px solid var(--cyan)}
.btn.sm{padding:8px 19px;font-size:.86rem}
.hero{padding:84px 0 70px;background:radial-gradient(circle at 18% 10%,#2a2a44 0,transparent 46%),radial-gradient(circle at 85% 20%,#3a2340 0,transparent 42%),linear-gradient(180deg,#11111c,#191929);color:#fff;text-align:center}
.eyebrow{display:inline-block;color:var(--cyan);font-weight:800;letter-spacing:.24em;font-size:.8rem;margin-bottom:16px;border:1px solid rgba(97,216,252,.45);padding:6px 16px;border-radius:999px}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.2;font-weight:900;background:linear-gradient(90deg,#61d8fc,#ff5fa2,#9b6bff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{margin:24px auto 0;max-width:720px;color:#cdd2ea;font-size:1.05rem}
.hero .cta-row{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.stats{display:flex;justify-content:center;gap:34px;margin-top:44px;flex-wrap:wrap}
.stats div{text-align:center}
.stats b{display:block;font-size:1.9rem;font-weight:900;color:var(--cyan)}
.stats span{color:#9aa0c2;font-size:.85rem}
section.blk{padding:60px 0}
section.blk.alt{background:#e9ebf7}
h2.sec{font-size:1.7rem;font-weight:800;margin-bottom:12px;color:#1a1a2b}
p.sec-sub{color:#5b5f7a;margin-bottom:28px;max-width:680px}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.card .ic{display:inline-block;color:var(--purple);font-size:1.3rem;margin-bottom:8px}
.card h3{font-size:1.12rem;margin-bottom:8px;color:#1a1a2b}
.card p{color:#4a4e66;font-size:.95rem}
.news{display:flex;flex-direction:column;gap:12px}
.nitem{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 22px;display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}
.nitem b{color:#1a1a2b;font-size:1.02rem}
.nitem span{color:#4a4e66;font-size:.92rem;flex:1;min-width:220px}
.nitem em{color:var(--purple);font-weight:700;font-size:.85rem;font-style:normal}
.more{margin-top:22px}
.more a{color:var(--purple);font-weight:700}
.tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.tags span{background:#fff;border:1px solid var(--line);padding:7px 16px;border-radius:999px;color:var(--purple);font-weight:700}
.cta-wrap{padding:0 0 70px}
.cta-card{background:linear-gradient(120deg,#242442,#3a2340);color:#fff;border-radius:20px;padding:46px 40px;text-align:center}
.cta-card h2{font-size:1.6rem;font-weight:900;color:#fff}
.cta-card p{color:#c9cdec;margin:10px 0 24px}
.narrow{max-width:840px!important}
.phead{padding:54px 0 30px;border-bottom:1px solid var(--line);background:#fff}
.phead h1{font-size:clamp(1.9rem,4.4vw,2.9rem);font-weight:900;line-height:1.18;color:#1a1a2b}
.lede{margin-top:16px;max-width:700px;color:#4a4e66;font-size:1.03rem}
.crumb{font-size:.85rem;color:#8b8fa8;margin-bottom:18px}
.crumb a{color:var(--purple)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px}
.ph-line{padding:13px 0;border-bottom:1px dashed var(--line);font-size:.95rem}
.ph-line:last-child{border-bottom:0}
.ph-line b{display:block;color:#1a1a2b;margin-bottom:2px}
.ph-line span{color:#4a4e66}
table.tb{width:100%;border-collapse:collapse;font-size:.95rem;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.tb th,.tb td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left}
.tb th{background:#1a1a2b;color:#fff;font-weight:800}
.tb tr:last-child td{border-bottom:0}
.note{background:#eef0fc;border-left:4px solid var(--purple);padding:16px 20px;border-radius:8px;color:#4a4e66;font-size:.92rem;margin-top:26px}
.faqwrap{display:flex;flex-direction:column;gap:12px}
.faq{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq summary{padding:18px 22px;cursor:pointer;font-weight:700;color:#1a1a2b;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:#4a4e66;font-size:.95rem}
footer.site{border-top:1px solid var(--line);margin-top:60px;padding:40px 0 26px;color:#5b5f7a;font-size:.9rem;background:#fff}
.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:#8b8fa8}
@media(max-width:900px){
  .g3,.g4{grid-template-columns:1fr}.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:#11111c;flex-direction:column;align-items:flex-start;padding:18px 24px;gap:16px;border-bottom:1px solid rgba(255,255,255,.1);display:none}
  nav.main.open{display:flex}
  .phead{padding:38px 0 22px}.hero{padding:56px 0 50px}
}