:root{--paper:#f9f7f2;--ink:#232b35;--muted:#5c636d;--line:#d9d7cf;--link:#254a82;--code:#efeee8;--display:'Newsreader',Georgia,serif;--body:'Source Sans 3',sans-serif}
*{box-sizing:border-box}
html{scroll-padding-top:2rem}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:18px;line-height:1.6}
a{color:var(--link);text-underline-offset:.2em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
a:focus-visible,summary:focus-visible,.table-scroll:focus-visible{outline:3px solid var(--link);outline-offset:5px}
.skip{position:absolute;top:-8rem;left:1.5rem;background:var(--paper);padding:.7rem;z-index:2}
.skip:focus{top:1rem}
.masthead{max-width:1320px;margin:auto;padding:25px 32px;display:flex;align-items:baseline;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}
.wordmark{font-weight:700;text-decoration:none;color:var(--ink)}
.masthead nav{display:flex;gap:25px;flex-wrap:wrap;font-size:16px}
.page-title{max-width:1320px;margin:auto;padding:64px 32px 44px;border-bottom:1px solid var(--line)}
.breadcrumb{font-size:15px;color:var(--muted);margin:0 0 22px}
h1{font-family:var(--display);font-size:clamp(40px,5.8vw,76px);font-weight:500;line-height:1.05;letter-spacing:-.035em;margin:0;max-width:1000px;text-wrap:balance}
.reading-layout{max-width:1320px;margin:auto;display:grid;grid-template-columns:230px minmax(0,1fr);gap:56px;padding:44px 32px 80px}
aside nav{position:sticky;top:24px;max-height:calc(100vh - 48px);overflow:auto;font-size:15px;line-height:1.4;padding-right:10px}
.toc-label{font-weight:700;margin:0 0 14px}
.mobile-contents{display:none}
summary{cursor:pointer;font-weight:600}
details[open] summary{margin-bottom:20px}
aside ol{list-style:none;margin:0;padding:0}
aside li{margin:0 0 13px}
aside a{color:var(--muted);text-decoration:none}
aside a:hover{color:var(--link);text-decoration:underline}
.content{min-width:0;max-width:920px}
.content>p:first-child{font-size:23px;line-height:1.5;margin-top:0;max-width:68ch}
.content>p:nth-child(2){font-size:15px;color:var(--muted)}
.content p,.content li{max-width:76ch}
h2{font-size:30px;line-height:1.2;letter-spacing:-.015em;font-weight:600;margin:64px 0 22px;padding-top:20px;border-top:1px solid var(--line);scroll-margin-top:24px}
h3{font-size:23px;line-height:1.3;font-weight:600;margin:34px 0 14px;scroll-margin-top:24px}
.anchor{display:none}
.table-scroll{overflow:auto;margin:24px 0 30px;border-block:1px solid var(--line)}
table{width:100%;min-width:600px;border-collapse:collapse;font-size:16px;line-height:1.5;text-align:left}
th{font-weight:600;background:var(--code)}
th,td{vertical-align:top;padding:16px 14px;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:0}
td:first-child,th:first-child{width:25%;min-width:145px}
td a{font-weight:600}
li{padding-left:4px;margin:12px 0}
code{font-family:ui-monospace,monospace;font-size:.83em;background:var(--code);padding:.15em .3em;overflow-wrap:anywhere}
pre{overflow:auto;background:var(--code);padding:24px;line-height:1.6;border-left:3px solid var(--line)}
pre code{padding:0;background:none;overflow-wrap:normal}
footer{max-width:1320px;margin:auto;padding:24px 32px 40px;border-top:1px solid var(--line);display:flex;gap:24px;flex-wrap:wrap;font-size:15px}
@media(max-width:900px){.reading-layout{grid-template-columns:1fr;gap:32px}.page-title{padding-top:42px}aside nav{position:static;max-height:none}.desktop-contents{display:none}.mobile-contents{display:block}aside ol{columns:2;column-gap:28px}aside li{break-inside:avoid}.content{max-width:none}}
@media(max-width:540px){body{font-size:17px}.masthead,.page-title,.reading-layout,footer{padding-left:20px;padding-right:20px}.masthead{flex-direction:column;gap:10px}.masthead nav{font-size:15px;gap:20px}.page-title{padding-top:32px;padding-bottom:32px}.reading-layout{padding-top:28px;gap:28px}aside ol{columns:1}.content>p:first-child{font-size:21px}h2{font-size:27px;margin-top:48px}h3{font-size:22px}pre{padding:16px}.table-scroll{overflow:visible}table,tbody,tr,td{display:block;min-width:0;width:auto}thead{display:none}tbody tr{padding:18px 0;border-bottom:1px solid var(--line)}tbody tr:last-child{border-bottom:0}td,td:first-child{padding:6px 0;border:0;width:auto;min-width:0}td:first-child{font-size:19px;font-weight:600}td:not(:first-child)::before{content:attr(data-label);display:block;color:var(--muted);font-size:14px;font-weight:600;margin:5px 0}}
@media print{aside,.masthead nav,.skip{display:none}.reading-layout{display:block;padding:20px}.page-title{padding:20px}body{background:white;color:black}a{color:inherit}table{min-width:0}pre{white-space:pre-wrap}}