:root{
  --ink:#0E0E12;--ink-soft:#16161D;--paper:#F5F1E9;--paper-dim:#E7E1D4;
  --line:rgba(245,241,233,.14);--line-ink:rgba(14,14,18,.12);
  --muted:#9A96A4;--muted-ink:#6A6570;--coral:#FF5A5F;--violet:#7C5CFF;
  --accent-grad:linear-gradient(120deg,#FF5A5F 0%,#FF7E5F 38%,#7C5CFF 100%);
  --maxw:1240px;--ease:cubic-bezier(.2,.7,.2,1);
  --serif:"Shippori Mincho","Hiragino Mincho ProN","Yu Mincho",serif;
  --sans:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Noto Sans JP",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--ink);color:var(--paper);line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
header.site{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:18px 28px;transition:background .4s var(--ease),backdrop-filter .4s var(--ease),padding .4s var(--ease)}
header.site.scrolled{background:rgba(14,14,18,.72);backdrop-filter:blur(14px);padding:12px 28px;border-bottom:1px solid var(--line)}
.brand{font-family:var(--serif);font-weight:600;font-size:1.18rem;letter-spacing:.14em}
.brand b{color:var(--coral)}
nav.main{display:flex;align-items:center;gap:30px}
nav.main a.nl{font-size:.82rem;letter-spacing:.12em;color:var(--paper);opacity:.78;position:relative;padding:4px 0;transition:opacity .3s}
nav.main a.nl::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--accent-grad);transition:width .35s var(--ease)}
nav.main a.nl:hover{opacity:1}
nav.main a.nl:hover::after,nav.main a.nl[aria-current="page"]::after{width:100%}
nav.main a.nl[aria-current="page"]{opacity:1}
.entry-btn{font-size:.8rem;letter-spacing:.1em;font-weight:700;padding:11px 22px;border-radius:999px;color:#fff;background:var(--accent-grad);box-shadow:0 6px 22px rgba(124,92,255,.32);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.entry-btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(124,92,255,.45)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--paper);transition:.3s}
.mobile-nav{position:fixed;inset:0;z-index:99;background:var(--ink);display:flex;flex-direction:column;justify-content:center;gap:8px;padding:40px;transform:translateY(-100%);transition:transform .5s var(--ease)}
.mobile-nav.open{transform:translateY(0)}
.mobile-nav a{font-family:var(--serif);font-size:2rem;padding:10px 0;border-bottom:1px solid var(--line)}
.mobile-nav .entry-btn{margin-top:24px;align-self:flex-start;font-family:var(--sans)}
.section{padding:120px 0;position:relative}
.eyebrow{font-size:.74rem;letter-spacing:.32em;text-transform:uppercase;color:var(--coral);margin-bottom:18px;display:inline-block}
.section-title{font-family:var(--serif);font-weight:600;line-height:1.25;font-size:clamp(1.8rem,4vw,3rem);margin-bottom:24px}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
footer.site{background:var(--ink-soft);border-top:1px solid var(--line);padding:80px 0 40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.foot-brand{font-family:var(--serif);font-size:1.6rem;letter-spacing:.1em;margin-bottom:14px}
.foot-brand b{color:var(--coral)}
.foot-copy{color:var(--muted);font-size:.86rem;max-width:34ch}
.foot-col h4{font-size:.72rem;letter-spacing:.2em;color:var(--muted);text-transform:uppercase;margin-bottom:16px}
.foot-col a{display:block;font-size:.9rem;opacity:.82;padding:5px 0;transition:opacity .3s,padding-left .3s}
.foot-col a:hover{opacity:1;padding-left:6px}
.foot-bottom{margin-top:56px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:.76rem;color:var(--muted);letter-spacing:.06em}
.btn{display:inline-flex;align-items:center;gap:10px;font-size:.86rem;letter-spacing:.08em;font-weight:700;padding:15px 30px;border-radius:999px;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.btn.primary{background:var(--accent-grad);color:#fff;box-shadow:0 8px 26px rgba(124,92,255,.32)}
.btn.primary:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(124,92,255,.5)}
.btn.ghost{border:1px solid var(--line);color:var(--paper)}
.btn.ghost:hover{border-color:var(--coral);transform:translateY(-3px)}
.btn .arr{transition:transform .3s var(--ease)}
.btn:hover .arr{transform:translateX(5px)}
@media(max-width:860px){
  nav.main .nl{display:none}
  nav.main .entry-btn{display:none}
  .burger{display:flex}
  .section{padding:84px 0}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .foot-bottom{flex-direction:column;gap:14px;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}