@charset "utf-8";
:root{--bg:#0b0f16;--bg2:#101826;--panel:#131c2c;--panel2:#18233a;--line:#243349;--txt:#e8edf5;--sub:#9fb0c8;--violet:#7c5cff;--cyan:#22d3ee;--pink:#f472b6;--maxw:1120px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN",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}
.glow{position:fixed;inset:0;pointer-events:none;z-index:0;background:
 radial-gradient(600px 320px at 12% 0%, rgba(124,92,255,.18), transparent 60%),
 radial-gradient(600px 320px at 88% 6%, rgba(34,211,238,.14), transparent 60%)}
.content{position:relative;z-index:1}
header.site{position:sticky;top:0;z-index:50;background:rgba(11,15,22,.82);backdrop-filter:blur(8px);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:10px;font-weight:800;letter-spacing:.1em}
.logo .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--violet),var(--cyan));display:inline-flex;align-items:center;justify-content:center;font-size:1rem;font-weight:900}
.logo .word{font-size:1.28rem;background:linear-gradient(90deg,#fff,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
nav.main{display:flex;gap:18px;align-items:center;font-size:.93rem}
nav.main a{color:var(--sub);padding:6px 2px;font-weight:600;border-bottom:2px solid transparent}
nav.main a:hover,nav.main a.active{color:#fff;border-color:var(--cyan)}
.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;color:#fff;cursor:pointer}
.btn{display:inline-block;background:linear-gradient(120deg,var(--violet),#9a6cff);color:#fff;padding:11px 26px;border-radius:11px;font-weight:700;font-size:.95rem;transition:.15s}
.btn:hover{box-shadow:0 8px 26px rgba(124,92,255,.4);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--cyan);border:1.5px solid rgba(34,211,238,.6)}
.btn.sm{padding:7px 16px;font-size:.84rem}
.hero{padding:76px 0 60px}
.eyebrow{display:inline-block;color:var(--cyan);font-size:.8rem;font-weight:800;letter-spacing:.18em;margin-bottom:16px;border:1px solid rgba(34,211,238,.4);padding:5px 14px;border-radius:999px}
.hero h1{font-size:clamp(2.2rem,5.5vw,3.7rem);line-height:1.12;font-weight:900;letter-spacing:-.01em}
.hero .sub{margin:22px 0 0;max-width:690px;color:var(--sub);font-size:1.06rem}
.hero .cta-row{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
.statrow{display:flex;flex-wrap:wrap;gap:18px;margin-top:34px}
.stat{flex:1;min-width:150px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}
.stat b{font-size:1.5rem;color:#fff}
.stat span{display:block;font-size:.84rem;color:var(--sub);margin-top:2px}
section.blk{padding:58px 0;border-top:1px solid rgba(36,51,73,.4)}
h2.sec{font-size:1.6rem;font-weight:900;margin-bottom:10px;letter-spacing:-.01em}
p.sec-sub{color:var(--sub);margin-bottom:30px;max-width:660px}
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px;transition:.15s}
.card:hover{background:var(--panel2);border-color:#33486b;transform:translateY(-3px)}
.card h3{font-size:1.12rem;margin-bottom:8px;font-weight:800}
.card p{color:var(--sub);font-size:.95rem}
.card .tag{display:inline-block;font-size:.72rem;font-weight:700;color:var(--cyan);border:1px solid rgba(34,211,238,.4);padding:2px 10px;border-radius:999px;margin-bottom:12px}
.phead{padding:50px 0 26px;border-bottom:1px solid var(--line)}
.phead h1{font-size:clamp(1.8rem,4.2vw,2.8rem);font-weight:900}
.lede{margin-top:16px;max-width:720px;color:var(--sub);font-size:1.05rem}
.crumb{font-size:.85rem;color:var(--sub);margin-bottom:18px}
.crumb a{color:var(--cyan)}
pre.term{background:#0d1524;border:1px solid var(--line);border-radius:12px;padding:18px;color:#c9d7ee;font-size:.9rem;overflow-x:auto}
.cta-card{background:linear-gradient(120deg,#1a2440,#101826);border:1px solid var(--line);border-radius:18px;padding:44px 38px;text-align:center}
.cta-card h2{color:#fff;font-size:1.5rem;font-weight:900}
.cta-card p{color:var(--sub);margin:10px 0 24px}
table.tb{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.tb th,.tb td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left}
.tb th{background:#16213a;color:#fff;font-weight:800}
.tb tr:last-child td{border-bottom:0}
.tb td{color:var(--sub)}
a.lnk{color:var(--cyan)}
.note{background:#141f36;border-left:4px solid var(--violet);padding:16px 20px;border-radius:8px;color:#aab9d4;font-size:.92rem;margin-top:26px}
.faqwrap{display:flex;flex-direction:column;gap:12px}
.faq{background:var(--panel);border:1px solid var(--line);border-radius:12px;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(--cyan)}
.faq[open] summary::after{content:"–"}
.faq .a{padding:4px 22px 18px;color:var(--sub);font-size:.95rem}
footer.site{border-top:1px solid var(--line);margin-top:40px;padding:40px 0 34px;color:var(--sub);font-size:.9rem;background:#0d131e}
.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:#fff}
@media(max-width:820px){
 .g3{grid-template-columns:1fr}.g2{grid-template-columns:1fr}
 .nav-toggle{display:block}
 nav.main{position:fixed;top:66px;left:0;right:0;background:#0b0f16;flex-direction:column;align-items:flex-start;padding:18px 24px;gap:14px;border-bottom:1px solid var(--line);display:none}
 nav.main.open{display:flex}
 nav.main .btn{display:inline-block}
 .hero{padding:48px 0 40px}.phead{padding:36px 0 20px}
}