:root{--brand:#327649;--ink:#222;--muted:#6a6a6a;--line:#e6e6e6;--soft:#f7f7f7}
*{box-sizing:border-box}
html,body{margin:0;background:#fff;color:var(--ink);font:16px/1.65 "Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;overflow-x:hidden}
.top{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:5;padding-top:env(safe-area-inset-top,0px)}
.top .in{max-width:820px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;gap:12px}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:#16301f;font:800 22px/1 "Bricolage Grotesque",system-ui,sans-serif;letter-spacing:-.03em}
.logo svg{width:28px;height:28px}
.grow{flex:1}
.top a.lk{color:var(--ink);font-weight:600;font-size:14px;text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:6px 12px;white-space:nowrap}
main{max-width:820px;margin:0 auto;padding:28px 16px 80px}
h1{font:800 clamp(28px,5vw,40px)/1.15 "Bricolage Grotesque",system-ui,sans-serif;letter-spacing:-.02em;margin:0 0 6px}
.ver{color:var(--muted);margin:0 0 24px}
nav.toc{background:var(--soft);border-radius:14px;padding:14px 18px;margin:0 0 28px}
nav.toc b{display:block;margin-bottom:6px}
nav.toc ol{margin:0;padding-left:0;list-style:none;columns:2;column-gap:28px}
nav.toc a{color:var(--ink)}
@media (max-width:600px){nav.toc ol{columns:1}}
h2{font-size:21px;margin:34px 0 10px;scroll-margin-top:70px;padding-top:10px;border-top:1px solid var(--line)}
h3{font-size:17px;margin:20px 0 6px}
p{margin:0 0 12px}
ul{margin:0 0 12px;padding-left:22px}
li{margin-bottom:4px}
.ph{background:#fff3c4;border-radius:4px;padding:0 3px}
.note{background:#e7f1ea;border-left:3px solid var(--brand);padding:12px 14px;border-radius:0 10px 10px 0;margin:0 0 24px}
footer{color:var(--muted);font-size:14px;border-top:1px solid var(--line);padding-top:16px;margin-top:40px}
a{color:var(--brand)}
@media print{.top{position:static}nav.toc{display:none}}
@media (max-width:520px){.top a.lk.back{display:none}.top a.lk{padding:5px 10px;font-size:13px}}
.exnote{background:#fff8dc;border-left-color:#e0b100;font-size:14px}

.wm-g{color:#327649}