:root{--paper:#fff;--ink:#0A0A0A;--muted:#6B6B70;--line:#E8E8EA;color-scheme:light}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 "Geist",-apple-system,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
main{max-width:720px;margin:0 auto;padding-block:56px 80px;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
a{color:inherit}
.back{font-size:15px;color:var(--muted);text-decoration:none}
h1{font-size:clamp(40px,7vw,60px);letter-spacing:-0.04em;line-height:1.02;margin:24px 0 8px}
h2{font-size:22px;letter-spacing:-0.02em;margin:40px 0 8px}
p,li{color:#2b2b2e}
.date{color:var(--muted);font-size:15px}
ul{padding-left:20px}