@import url("tokens.css");
:root{--bg:#f6f7fb;--fg:#1b2233;--muted:#586079;--card:#fff;--line:#e2e6f0}
@media (prefers-color-scheme:dark){:root{--bg:#10141f;--fg:#e8ebf3;--muted:#a3aac0;--card:#182033;--line:#2a3450}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.8 "Hiragino Sans","Noto Sans JP",system-ui,sans-serif}
a{color:inherit}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.hero{color:#fff;background:radial-gradient(120% 160% at 15% 0%,var(--ai-light),var(--ai) 45%,var(--ai-deep));padding:56px 0 64px}
.hero .wrap{display:flex;gap:32px;align-items:center;flex-wrap:wrap}
.hero img.mark{width:180px;height:180px;flex:none}
.hero h1{margin:0;font-size:clamp(40px,7vw,64px);line-height:1.1;letter-spacing:.01em}
.hero .kana{color:var(--yamabuki);font-weight:800;font-size:22px;margin:6px 0 14px}
.hero p{margin:0 0 22px;font-size:18px;opacity:.95;max-width:34em}
.lang{position:absolute;top:14px;right:20px;color:#fff;font-size:14px}
.btn{display:inline-block;padding:12px 22px;border-radius:999px;font-weight:700;text-decoration:none}
.btn.primary{background:#fff;color:var(--ai-deep)}
.btn.soon{background:rgba(255,255,255,.18);color:#fff;cursor:default}
.hero p.note{margin:14px 0 0;font-size:13px;line-height:1.7;opacity:.85;max-width:44em}
section{padding:48px 0}
h2{font-size:26px;margin:0 0 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:15px}
.shots{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.shots img{width:100%;height:auto;border-radius:10px;border:1px solid var(--line);display:block}
.support{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px}
footer{padding:32px 0 48px;color:var(--muted);font-size:14px}
footer a{margin-right:16px}
footer .credit{font-size:12px;line-height:1.6}
.doc{max-width:760px;margin:0 auto;padding:40px 20px 64px}
.doc h1{font-size:30px;margin:0 0 8px}.doc h2{font-size:21px;margin:36px 0 10px}
.doc .meta{color:var(--muted);font-size:14px}
.todo{background:#fff4c2;color:#5b4700;padding:0 4px;border-radius:4px}