:root{
  --ink:#161a1d; --ink-soft:#4a5257; --line:#e3e6e8;
  --bg:#ffffff; --bg-soft:#f6f7f8; --accent:#1f6f4e;
  --warn:#8a5a00; --warn-bg:#fff8e8; --warn-line:#f0dcae;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font:17px/1.68 Georgia,"Iowan Old Style","Times New Roman",serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:720px;margin:0 auto;padding:0 20px}
.age{background:var(--warn-bg);border-bottom:1px solid var(--warn-line);color:var(--warn);
  font:600 13px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;text-align:center;padding:9px 20px}
header.site{border-bottom:1px solid var(--line);padding:18px 0}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{font:700 19px/1 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;letter-spacing:-.2px;color:var(--ink);text-decoration:none}
.brand span{color:var(--accent)}
nav.site a{font:500 14px/1 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--ink-soft);text-decoration:none;margin-left:18px}
nav.site a:hover{color:var(--accent)}
main{padding:40px 0 8px}
h1{font-size:34px;line-height:1.2;letter-spacing:-.4px;margin:0 0 18px}
h2{font-size:22px;line-height:1.3;margin:32px 0 10px}
p{margin:0 0 16px}
ul{margin:0 0 16px;padding-left:22px}
li{margin:0 0 8px}
a{color:var(--accent)}
.updated{font:400 14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--ink-soft);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;margin:0 0 28px}
.box{border:1px solid var(--warn-line);background:var(--warn-bg);border-radius:8px;padding:18px 22px;margin:28px 0}
.box p:last-child{margin:0}
footer.site{border-top:1px solid var(--line);margin-top:44px;padding:28px 0 44px;background:var(--bg-soft)}
footer.site .wrap{font:400 13px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--ink-soft)}
footer.site a{color:var(--ink-soft);text-decoration:none;margin-right:16px}
footer.site a:hover{text-decoration:underline}
.fnav{margin-bottom:14px}
@media (max-width:620px){body{font-size:16px}h1{font-size:27px}h2{font-size:20px}nav.site a{margin-left:12px;font-size:13px}}