:root{
  --bg:#f6f5ff; --ink:#1b1836; --mut:#5f5b85; --panel:#fff; --panel2:#f0edff;
  --line:#e2def7; --violet:#6d5cf2; --cyan:#23c6e8; --ink2:#2b2660;
  --radius:22px; --maxw:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:"Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",sans-serif;line-height:1.75}
img{max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

header.site{position:sticky;top:0;z-index:50;background:rgba(246,245,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em}
.logo img{border-radius:10px}
.logo span{font-size:1.15rem;color:var(--ink)}
.logo .ja{font-weight:400;font-size:.78rem;color:var(--mut);margin-left:6px}
nav.main{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
nav.main a{font-size:.9rem;font-weight:600;color:var(--mut);padding:8px 11px;border-radius:10px}
nav.main a:hover{color:var(--ink);background:var(--panel2)}
nav.main a.active{color:var(--violet);background:var(--panel2)}
nav.main a.btn{background:linear-gradient(90deg,var(--violet),var(--cyan));color:#fff;padding:9px 16px;border-radius:999px}
.nav-toggle{display:none;background:none;border:0;color:var(--ink);font-size:1.5rem;cursor:pointer}

.btn{display:inline-block;background:linear-gradient(90deg,var(--violet),#8a6cf5);color:#fff;font-weight:700;padding:13px 26px;border-radius:14px;font-size:.95rem;transition:.2s;box-shadow:0 8px 20px rgba(109,92,242,.28)}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(109,92,242,.36)}
.btn.big{font-size:1.05rem;padding:15px 30px;border-radius:16px}
.btn.ghost{background:#fff;color:var(--violet);box-shadow:none;border:1.5px solid var(--line)}
.btn.ghost:hover{border-color:var(--violet)}
.link{color:var(--violet);font-weight:600}
.link:hover{text-decoration:underline}

/* Hero asymmetric editorial */
.hero{padding:88px 0 80px;background:
  radial-gradient(760px 420px at 88% -10%,rgba(35,198,232,.28),transparent 60%),
  radial-gradient(900px 500px at -10% 110%,rgba(109,92,242,.25),transparent 55%),
  transparent}
.hero-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:center}
.kicker{display:inline-block;font-size:.72rem;letter-spacing:.24em;color:var(--violet);font-weight:800;margin-bottom:16px}
.hero h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.2;font-weight:800;background:linear-gradient(120deg,var(--ink) 30%,var(--violet) 70%,var(--cyan));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .sub{color:var(--mut);margin-top:22px;font-size:1.05rem;max-width:560px}
.hero .cta{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;flex-direction:column;gap:14px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:center;box-shadow:0 12px 28px rgba(43,38,96,.08)}
.stat strong{font-size:1.8rem;font-weight:800;background:linear-gradient(120deg,var(--violet),var(--cyan));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{display:block;color:var(--mut);font-size:.85rem;margin-top:4px}

.blk{padding:64px 0;border-bottom:1px solid var(--line)}
.blk.alt{background:var(--panel2)}
.blk:last-of-type{border-bottom:0}
.blk.cta-band{background:linear-gradient(135deg,var(--ink2),var(--violet));text-align:center}
h2.sec{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;margin-bottom:6px}
.sec-sub{color:var(--mut);margin-bottom:30px}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s;display:block}
a.card:hover{transform:translateY(-4px);border-color:var(--violet);box-shadow:0 16px 34px rgba(43,38,96,.12)}
.card h3{font-size:1.15rem;margin-bottom:10px;font-weight:800}
.card p{color:var(--mut);font-size:.95rem}
.card.mini{padding:24px}
.card.mini h3{font-size:1.02rem}
.more{color:var(--violet);font-weight:700;display:inline-block;margin-top:14px;font-size:.92rem}

.pagehead{padding:74px 0 56px;background:radial-gradient(700px 320px at 80% -10%,rgba(35,198,232,.2),transparent 60%),var(--bg);border-bottom:1px solid var(--line)}
.pagehead h1{font-size:clamp(1.8rem,3.8vw,2.9rem);font-weight:800}
.pagehead .sub{color:var(--mut);margin-top:14px;max-width:720px}

.steps{display:flex;flex-direction:column;gap:14px}
.step{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.step>span{flex:0 0 34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--violet),var(--cyan));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.step strong{display:block;margin-bottom:4px}
.step p{color:var(--mut);font-size:.93rem}

.faqlist{max-width:820px;display:flex;flex-direction:column;gap:12px}
.faqlist details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 20px}
.faqlist summary{cursor:pointer;font-weight:700}
.faqlist .a{color:var(--mut);margin-top:10px;font-size:.95rem}

.cta-band h2{font-size:clamp(1.5rem,3vw,2.2rem);margin-bottom:12px;color:#fff}
.cta-band p{color:#e6e1ff;margin-bottom:24px}
.cta-band .btn{background:#fff;color:var(--violet);box-shadow:none}

footer.site{background:var(--ink2);color:#fff;padding:44px 0}
.ft{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.ft p{color:#b9b4e0;font-size:.85rem;max-width:360px;margin-top:10px}
.ft nav{display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.ft nav a{color:#d4d0f0;font-size:.9rem}
.ft nav a:hover{color:#fff}
.ft nav a.foot-cta{color:var(--cyan);font-weight:700}

@media(max-width:880px){
  .nav-toggle{display:block}
  nav.main{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 16px;display:none;border-bottom:1px solid var(--line)}
  nav.main.open{display:flex}
  nav.main a{padding:12px;border-radius:10px}
  .hero-grid{grid-template-columns:1fr}
  .hero{padding:60px 0 56px}
  .g3,.g2{grid-template-columns:1fr}
  .blk{padding:48px 0}
  .ft{flex-direction:column}
  .ft nav{align-items:flex-start}
}