*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:#fdfbf7;color:#1a1a1a;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans SC",Arial,sans-serif;font-size:17px;line-height:1.8;transition:none}
body::after{content:"";position:fixed;inset:0;z-index:999;pointer-events:none;opacity:.24;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E")}
a{color:#1a1a1a}
img{max-width:100%;height:auto;display:block}
.top{border-bottom:1px solid #e0ded7;background:#fdfbf7;position:relative;z-index:30}
.top-inner{display:flex;align-items:center;gap:16px;max-width:1180px;margin:0 auto;padding:8px 20px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:600;letter-spacing:.02em;padding:9px 0;min-height:44px}
.mark{width:20px;height:20px;border:1.5px solid #1a1a1a;border-radius:3px;position:relative;flex:none}
.mark::after{content:"";position:absolute;left:4px;right:4px;top:4px;bottom:4px;border-top:1.5px solid #1a1a1a;border-bottom:1.5px solid #1a1a1a}
.logo-mark{width:20px;height:20px;object-fit:contain}
.brand-name{font-size:17px}
.reach{display:flex;align-items:center;gap:8px;font-size:16px;color:#4a4a4a;border-left:1px solid #e0ded7;padding-left:16px;white-space:nowrap}
.reach-lab{letter-spacing:.12em}
.primary{overflow-x:auto;scrollbar-width:none;margin-left:auto}
.primary::-webkit-scrollbar,.sticks::-webkit-scrollbar,.foot-nav::-webkit-scrollbar{display:none}
.navlist{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.primary .navlist a{display:flex;align-items:center;gap:6px;padding:11px 9px;min-height:44px;font-size:16px;text-decoration:none;white-space:nowrap;border-radius:4px}
.primary .navlist a:hover{background:#1a1a1a;color:#fdfbf7}
.dot{width:5px;height:5px;background:#1a1a1a;border-radius:50%;flex:none}
.primary .navlist a:hover .dot{background:#fdfbf7}
.sticks{position:sticky;top:0;z-index:25;background:#f5f5f5;border-top:1px solid #e0ded7;border-bottom:1px solid #d6d4cd;overflow-x:auto;scrollbar-width:none}
.sticks .navlist{max-width:1180px;margin:0 auto;padding:0 12px;gap:4px}
.sticks a{display:block;padding:11px 8px;min-height:44px;font-size:16px;text-decoration:none;white-space:nowrap;border-bottom:2px solid transparent}
.sticks a:hover{background:#eae8e1}
.sticks a[aria-current]{border-bottom-color:#1a1a1a;font-weight:600}
.hero{position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:100vh;overflow:hidden;background:#eceae3;border-bottom-left-radius:36px;border-bottom-right-radius:36px;isolation:isolate}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.03);z-index:0}
.hero-grid{position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,#e3e0d8 0 1px,transparent 1px 46px),repeating-linear-gradient(0deg,#e3e0d8 0 1px,transparent 1px 46px)}
.badge{position:absolute;top:22px;right:24px;z-index:3;margin:0;background:#1a1a1a;color:#fdfbf7;padding:7px 12px;border-radius:4px;font-size:16px;letter-spacing:.04em;transform:rotate(-1.5deg)}
.badge b{font-weight:500}
.hero-inner{position:relative;z-index:2;width:100%;max-width:1180px;margin:0 auto;padding:0 20px 48px}
.hero-copy{max-width:660px;background:rgba(253,251,247,.96);border:1px solid #1a1a1a;border-bottom-width:3px;border-radius:4px;padding:22px 24px}
h1{margin:0;font-size:clamp(1.6rem,5.2vw,3rem);line-height:1.2;font-weight:600;letter-spacing:-.01em}
main{padding:46px 0 64px}
.wrap{display:grid;grid-template-columns:228px minmax(0,1fr);gap:44px;max-width:1180px;margin:0 auto;padding:0 20px;align-items:start}
.side{position:sticky;top:70px}
.panel{border:1px solid #e0ded7;border-bottom:2px solid #1a1a1a;border-radius:4px;background:#f5f5f5;padding:14px 16px 16px;margin-bottom:16px}
.panel h2{margin:0 0 10px;font-size:16px;font-weight:600;letter-spacing:.14em}
.panel h2 span{display:inline-block;border-bottom:2px solid #1a1a1a;padding-bottom:2px}
.toc{list-style:none;margin:0;padding:0}
.toc a{display:flex;align-items:center;min-height:40px;padding:6px 2px;text-decoration:none;font-size:16px;border-bottom:1px dashed #dcdad3}
.toc li:last-child a{border-bottom:0}
.toc a:hover{background:#1a1a1a;color:#fdfbf7;padding-left:8px}
.host{margin:0 0 4px;font-size:16px;font-weight:500;word-break:break-all}
.brand-sm{margin:0;font-size:16px;color:#4a4a4a}
.doc{font-size:18px;line-height:1.85;max-width:68ch}
.doc div{padding:24px 0 30px;border-top:1px solid #e6e4dc;scroll-margin-top:96px}
.doc div:first-child{border-top:0;padding-top:0}
.doc h2{margin:0 0 14px;font-size:clamp(1.25rem,3vw,1.65rem);line-height:1.35;font-weight:600;border-left:5px solid #1a1a1a;padding-left:14px}
.doc h3{margin:24px 0 10px;font-size:1.12rem;line-height:1.5;font-weight:600}
.doc p{margin:0 0 1em}
.doc ul,.doc ol{margin:0 0 1em;padding-left:1.5em}
.doc li{margin:.3em 0}
.doc a{text-underline-offset:3px}
.doc blockquote{margin:20px 0;padding:12px 16px;background:#f5f5f5;border-left:3px solid #1a1a1a;border-radius:0 4px 4px 0}
.doc blockquote p:last-child{margin:0}
.doc img{margin:18px 0;border-radius:4px;filter:grayscale(1)}
.doc table{width:100%;border-collapse:collapse;font-size:16px;margin:0 0 1em}
.doc th,.doc td{border:1px solid #e0ded7;padding:8px 10px;text-align:left}
.doc th{background:#f5f5f5}
.doc hr{border:0;border-top:1px solid #e0ded7;margin:24px 0}
.doc strong{font-weight:600}
.foot{border-top:1px solid #1a1a1a;background:#f5f5f5;margin-top:16px}
.foot-inner{display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;max-width:1180px;margin:0 auto;padding:20px}
.foot-brand{display:flex;flex-direction:column}
.foot-logo{display:flex;align-items:center;min-height:40px;font-weight:600;text-decoration:none}
.foot-host{margin:0;font-size:16px;color:#4a4a4a}
.foot-nav{margin-left:auto;overflow-x:auto;scrollbar-width:none}
.foot-nav .navlist{gap:2px}
.foot-nav a{display:block;padding:10px 8px;min-height:40px;font-size:16px;text-decoration:none;white-space:nowrap;border-radius:4px}
.foot-nav a:hover{background:#1a1a1a;color:#fdfbf7}
.foot-copy{display:flex;align-items:center;gap:14px;font-size:16px;margin-left:auto}
.foot-copy a{display:flex;align-items:center;min-height:40px;padding:0 10px;text-decoration:none;border:1px solid #1a1a1a;border-radius:4px}
.foot-copy a:hover{background:#1a1a1a;color:#fdfbf7}
.totop{position:fixed;right:16px;bottom:16px;z-index:1000;display:none;background:#1a1a1a;color:#fdfbf7;border:1px solid #1a1a1a;border-radius:4px;padding:12px 14px;min-height:44px;font-family:inherit;font-size:16px;cursor:pointer}
.totop.on{display:block}
@media (max-width:960px){
.wrap{grid-template-columns:minmax(0,1fr);gap:26px}
.side{position:static;order:2}
.hero{min-height:86vh}
.doc{font-size:17px}
}
@media (max-width:640px){
.top-inner{flex-wrap:wrap;gap:4px 12px;padding:6px 16px}
.reach{display:none}
.primary{order:3;flex:1 0 100%;margin-left:0}
.sticks .navlist{padding:0 8px}
.hero{border-bottom-left-radius:20px;border-bottom-right-radius:20px}
.hero-inner{padding:0 16px 30px}
.hero-copy{padding:16px}
.badge{top:14px;right:14px}
main{padding:28px 0 44px}
.wrap{padding:0 16px}
.foot-inner{padding:16px}
.foot-copy{margin-left:0}
.foot-nav{margin-left:0}
}
@media print{
.top,.sticks,.totop,.side{display:none}
.hero{min-height:auto}
}

button[aria-expanded]{min-width:44px;min-height:44px}