:root{--bg:#ebe3cf;--paper:#f6efdf;--ink:#16120e;--dim:#5b5145;--seal:#a3271a;--line:rgba(22,18,14,.18);
  --brush:'Yuji Syuku','Hiragino Mincho ProN','Yu Mincho',serif;--mincho:'Shippori Mincho B1','Hiragino Mincho ProN','Yu Mincho',serif}
@media (prefers-color-scheme:dark){:root{--bg:#12100d;--paper:#1b1814;--ink:#ece2cc;--dim:#a39886;--seal:#d2442e;--line:rgba(236,226,204,.18)}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:radial-gradient(120% 60% at 30% 10%,var(--paper),var(--bg) 70%) fixed;color:var(--ink);font-family:var(--mincho);line-height:1.9;font-size:16px}
a{color:var(--seal)}
.wrap{max-width:760px;margin:0 auto;padding:28px 20px 60px}
header.site{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1.5px solid var(--ink)}
header.site .brand{white-space:nowrap;font-weight:800;font-size:18px;text-decoration:none;color:var(--ink);letter-spacing:.08em}
header.site nav{display:flex;gap:14px;font-size:14px;flex-wrap:wrap}
header.site nav a{color:var(--ink);text-decoration:none}
header.site nav a:hover{color:var(--seal)}
.hero{text-align:center;padding:48px 0 30px}
.hero .glyph{font-family:var(--brush);font-size:clamp(110px,28vw,190px);line-height:1;letter-spacing:.02em}
.hero .glyph span{color:var(--seal)}
.hero h1{font-size:clamp(30px,7vw,44px);letter-spacing:.3em;margin:10px 0 0;padding-left:.3em}
.hero p.tag{color:var(--dim);margin:6px 0 22px;letter-spacing:.12em}
.badge{display:inline-block;padding:12px 26px;border:1.5px solid var(--ink);border-radius:4px 14px 4px 14px;text-decoration:none;color:var(--ink);font-weight:800}
.badge.soon{opacity:.75}
section{margin-top:40px}
h2{font-size:22px;border-left:4px solid var(--seal);padding-left:12px;margin:34px 0 10px}
h3{font-size:17px;margin:22px 0 4px}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.feature{padding:16px;border:1.5px solid var(--line);border-radius:4px 14px 4px 14px;background:color-mix(in srgb,var(--paper) 70%,transparent)}
.feature .g{font-family:var(--brush);font-size:40px;line-height:1.1;color:var(--seal)}
.feature h3{margin:6px 0 2px}
.feature p{margin:0;font-size:14px;color:var(--dim)}
.doc p,.doc li{font-size:15px}
.doc ul{padding-left:1.3em}
.meta{color:var(--dim);font-size:14px}
footer{margin-top:60px;padding-top:16px;border-top:1.5px solid var(--ink);font-size:13px;color:var(--dim);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
footer a{color:var(--dim)}