:root{--ink:#262823;--paper:#f7f5f0;--line:#d9d4c8;--soft:#e9e5dc;--muted:#5d5f57}
*{box-sizing:border-box}
body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.75 system-ui,-apple-system,"Segoe UI",sans-serif}
.wrap{max-width:860px;margin:0 auto;padding:40px 16px 80px}
.top{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px}
a{color:inherit}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;font-weight:400;line-height:1.2}
h1{font-size:clamp(40px,8vw,64px);margin:48px 0 8px}
h2{font-size:clamp(26px,5vw,32px);margin:56px 0 12px;padding-top:24px;border-top:1px solid var(--line)}
h3{font-size:21px;margin:28px 0 8px}
.lead{font-size:19px;color:var(--muted)}
code{background:var(--soft);padding:2px 6px;border-radius:3px;font-size:.9em;overflow-wrap:anywhere}
li{margin-bottom:10px}
nav.toc{columns:2 220px;font-size:15px;margin:24px 0}
nav.toc a{display:block;padding:2px 0}
.table{overflow-x:auto}
table{border-collapse:collapse;width:100%;min-width:480px}
td,th{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}
.buy{background:#fff;border:1px solid var(--line);padding:24px;margin-top:16px}
.button{display:inline-block;background:var(--ink);color:var(--paper);padding:12px 22px;text-decoration:none;margin-top:8px}
.note{border-left:3px solid var(--ink);padding:4px 16px;background:var(--soft)}