:root{--paper:#f7f6f3;--ink:#1f1d1a;--navy:#57534e;--rule:#dcd9d2}
*{box-sizing:border-box}body{margin:0;background:#f7f6f3;color:var(--ink);font-family:"Helvetica Neue",Arial,sans-serif;font-size:17px;line-height:1.7}
h1,h2,h3{font-family:"Baskerville",Georgia,serif;line-height:1.12;font-weight:400}
.sg-nav a{font-family:"SFMono-Regular",Menlo,monospace;}
.sg-cell b{font-family:"SFMono-Regular",Menlo,monospace;}
.sg-meta{font-family:"SFMono-Regular",Menlo,monospace;}
a{color:#44403c}a:focus-visible{outline:2px solid var(--navy);outline-offset:3px}
.sg-skip{position:absolute;left:-9999px}.sg-skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem}
.sg-top{max-width:1000px;margin:0 auto;padding:1.3rem 1.4rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.8rem;border-bottom:2px solid var(--ink)}
.sg-brand{color:var(--ink);text-decoration:none;font-family:"Baskerville",Georgia,serif;font-size:1.45rem;display:flex;gap:.6rem;align-items:center}
.sg-nav{display:flex;flex-wrap:wrap;gap:.2rem 1.1rem}.sg-nav a{color:var(--ink)}.sg-nav a[aria-current]{color:var(--navy);font-weight:700}.sg-alt{font-size:.75rem;color:#57534e}
.sg-main{max-width:1000px;margin:0 auto;padding:2.6rem 1.4rem 3rem}
.sg-tag{font-size:.8rem;letter-spacing:.06em;color:#57534e;text-transform:uppercase;margin:0}.sg-main h1{font-size:clamp(2.5rem,6.5vw,4.4rem);margin:.4rem 0 1.2rem}
.sg-en{color:#3f3c36;font-size:.97rem;border-left:3px solid var(--rule);padding-left:.9rem}
.sg-board{display:grid;grid-template-columns:repeat(4,1fr);margin:2.4rem 0;border:2px solid var(--ink)}
.sg-cell{padding:1.2rem 1rem;background:#fff}.sg-cell+.sg-cell{border-left:1px solid var(--rule)}.sg-cell b{color:var(--navy);font-weight:400;font-size:.8rem}.sg-cell h2{font-size:1.3rem;margin:.2rem 0 .3rem}.sg-cell p{margin:0}
.sg-box{border:2px solid var(--ink);background:#fff;padding:1.2rem 1.4rem;margin-top:1.3rem}
.sg-hold[hidden]{display:none}
.sg-foot{max-width:1000px;margin:0 auto;padding:1.4rem 1.4rem 2.6rem;border-top:2px solid var(--ink);font-size:.88rem}.sg-foot p{margin:.2rem 0}.sg-foot-links{display:flex;gap:1rem;flex-wrap:wrap;margin-top:.6rem}
.sg-doc section{margin-top:1.9rem}.sg-meta{font-size:.82rem;color:#57534e}
.sg-dl{display:grid;grid-template-columns:14rem 1fr;gap:.4rem 1rem;margin:1rem 0}.sg-dl dt{font-weight:700}.sg-dl dd{margin:0}
@media(max-width:820px){.sg-board{grid-template-columns:1fr 1fr}.sg-cell:nth-child(3){border-left:0}.sg-cell:nth-child(-n+2){border-bottom:1px solid var(--rule)}}
@media(max-width:480px){.sg-board{grid-template-columns:1fr}.sg-cell+.sg-cell{border-left:0;border-top:1px solid var(--rule)}.sg-dl{grid-template-columns:1fr}}