:root{color-scheme:light;--bg:#fff;--surface:#f3f6fa;--text:#182637;--muted:#526278;--line:#dce3eb;--accent:#235bbb;--soft:#eaf1fc;--warning:#935416;--warn-bg:#fff5e9;--space:24px}
:root[data-theme=dark]{color-scheme:dark;--bg:#171e29;--surface:#202b3b;--text:#eef3fc;--muted:#b6c4d8;--line:#3c4b60;--accent:#93baff;--soft:#243958;--warning:#ffd09a;--warn-bg:#3a2d21}
*{box-sizing:border-box}html{scroll-padding-top:96px;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.9 "Yu Gothic UI",Meiryo,system-ui,sans-serif}a{color:var(--accent)}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button{background:var(--bg);border:1px solid var(--line);border-radius:5px;padding:7px 14px;color:var(--text)}.skip{position:fixed;top:-80px;left:16px;background:var(--bg);z-index:5;padding:12px}.skip:focus{top:8px}.topbar{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 4%;position:sticky;top:0;z-index:3;background:var(--bg)}.brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:700;text-decoration:none;color:var(--text)}.brand-mark{font-size:30px;color:var(--accent)}.brand-sub{font-size:13px;color:var(--muted);border-left:1px solid var(--line);padding-left:16px;margin-left:10px}.layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:64px;max-width:1390px;padding:0 40px;margin:auto}.sidebar{position:sticky;top:106px;align-self:start;max-height:calc(100vh - 124px);overflow:auto;padding:12px 0 32px}.nav-title{font-size:14px;font-weight:700;margin:0 0 14px}.sidebar label{display:block;font-size:12px;color:var(--muted)}input{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:5px;background:var(--bg);color:var(--text);font-size:14px}.sidebar nav{display:grid;margin-top:25px}.sidebar nav a{display:block;padding:9px 12px;color:var(--muted);text-decoration:none;border-left:2px solid var(--line);font-size:14px}.sidebar nav a:hover,.sidebar nav a[aria-current]{color:var(--accent);border-color:var(--accent);background:var(--soft)}.sidebar-note{font-size:12px;color:var(--muted);margin:28px 12px}#search-results:not(:empty){padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}#search-results a{display:block;padding:5px}main{min-width:0;padding:46px 0 20px}section{padding:42px 0 48px;border-bottom:1px solid var(--line)}section:first-child{padding-top:8px}.eyebrow{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.05em;margin:0 0 14px}h1{font-size:clamp(34px,3.8vw,52px);line-height:1.5;letter-spacing:.015em;margin:12px 0 22px}h2{font-size:27px;line-height:1.6;margin:0 0 20px;letter-spacing:.01em}.lead{font-size:17px;color:var(--muted);margin-bottom:24px}.draft-note{font-size:12px;color:var(--muted);padding:13px 16px;background:var(--surface);border-left:3px solid var(--line)}.draft-note strong{color:var(--text);margin-right:10px}.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}.entry{border:1px solid var(--line);border-radius:6px;padding:25px;text-decoration:none;color:var(--text);transition:border-color .15s}.entry:hover{border-color:var(--accent);background:var(--soft)}.entry-icon{font-size:28px;color:var(--accent)}.entry h2{font-size:20px;margin:9px 0}.entry p{font-size:13px;color:var(--muted);margin:0 0 20px}.entry-link{font-size:14px;font-weight:700;color:var(--accent)}.screen-figure{margin:28px 0}.screen-figure img{width:100%;height:auto;display:block;border:1px solid var(--line);border-radius:6px}.annotated{position:relative}.pin{position:absolute;background:#fff;color:#164b9a;border:3px solid #235bbb;border-radius:50%;width:30px;height:30px;display:grid;place-items:center;font-size:16px;font-weight:800;box-shadow:0 1px 5px #0005;pointer-events:none;line-height:1}.p1{left:3%;top:18%}.p2{left:3%;top:26%}.p3{left:3%;top:52%}figcaption{font-size:12px;color:var(--muted);margin-top:9px}.steps{list-style:none;counter-reset:steps;padding:0;margin:30px 0}.steps li{counter-increment:steps;position:relative;padding:0 0 20px 44px}.steps li:before{content:counter(steps);position:absolute;left:0;top:3px;width:28px;height:28px;border-radius:4px;background:var(--soft);color:var(--accent);text-align:center;line-height:28px;font-size:14px;font-weight:700}.steps p{font-size:15px;margin:5px 0;color:var(--muted)}.note{background:var(--soft);border-left:3px solid var(--accent);padding:16px 20px;margin:24px 0;font-size:14px}.note p{margin:5px 0}.warning{background:var(--warn-bg);border-color:var(--warning)}.table-wrap{overflow:auto;margin:28px 0}table{border-collapse:collapse;width:100%;font-size:14px;min-width:440px;text-align:left}caption{text-align:left;font-size:12px;color:var(--muted);padding-bottom:9px}th{background:var(--surface);white-space:nowrap}th,td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}td:first-child{min-width:140px}kbd{font-family:inherit;border:1px solid var(--line);border-bottom-width:2px;border-radius:3px;padding:1px 5px;white-space:nowrap;font-size:12px;background:var(--surface)}.guide-split{display:grid;grid-template-columns:42% 1fr;gap:30px;align-items:start}.guide-screen{margin:10px 0}.guide-screen img{width:100%;height:auto;border:1px solid var(--line);border-radius:6px}.legend{font-size:14px;margin:10px 0}.legend dt{font-weight:700;display:flex;align-items:center;gap:12px}.legend dd{margin:5px 0 22px 32px;color:var(--muted)}.swatch{display:inline-block;width:20px;height:8px;background:#bb6618}.purple{background:transparent;border:2px dashed #8650c4;height:12px}.red{background:#c53d51;height:3px}.blue{background:#3a78d8;width:3px;height:18px;margin:0 8px}.muted{color:var(--muted);font-size:13px}details{border-bottom:1px solid var(--line);padding:16px 0}summary{cursor:pointer;font-weight:600;font-size:15px}details p{margin:12px 0 0;font-size:14px;color:var(--muted)}footer{display:flex;justify-content:space-between;gap:20px;padding:32px 0;font-size:12px;color:var(--muted)}footer p{margin:0}
@media(max-width:1100px){.layout{gap:32px;grid-template-columns:190px minmax(0,1fr);padding:0 24px}.entry{padding:20px}.guide-split{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.topbar{height:64px;padding:0 16px}.brand{font-size:16px;gap:6px}.brand-sub{display:none}#theme{font-size:12px;padding:6px 9px}.layout{display:block;padding:0 20px}.sidebar{position:static;max-height:none;padding:20px 0 0}.nav-title,.sidebar-note,.sidebar label{display:none}.sidebar nav{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 0}.sidebar nav a{padding:3px 9px;border:1px solid var(--line);border-radius:3px;font-size:12px}.sidebar input{max-width:100%}main{padding-top:20px}h1{font-size:36px}h2{font-size:23px}.entry-grid{gap:12px}.entry{padding:16px}.entry h2{font-size:17px}.entry p{font-size:12px}.entry-link{font-size:12px}.lead{font-size:15px}.desktop{display:none}section{padding:32px 0}.guide-split{display:block}.guide-screen{max-width:400px;margin:auto}.legend{margin-top:28px}.pin{width:24px;height:24px;font-size:12px;border-width:2px}.steps li{padding-left:38px}footer{display:block}html{scroll-padding-top:80px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.topbar,.sidebar,.skip{display:none}.layout{display:block;padding:0}main{padding:0}section{break-inside:avoid}body{font-size:11pt}a{color:inherit}.draft-note{border:1px solid #888}.screen-figure img{max-height:140mm;object-fit:contain}.entry-grid{display:none}}