:root{--rs:18px;--top:calc(var(--hd) + 24px)}.is-article{--ar-tint:var(--bg-1)}html:not([data-theme=dark]) .is-article{--bg:#fff;--ar-tint:var(--p-paper);--glass:#ffffffdb}html:not([data-theme=dark]) .is-article .reveal{--bg:var(--p-paper)}html[data-rs="16"]{--rs:16px}html[data-rs="20"]{--rs:20px}html[data-rf=on]{--top:24px}html[data-theme=dark] .hd.is-scrolled .hd-in{background:var(--glass)}html[data-theme=dark] .ar-fig img,html[data-theme=dark] .ar-text img{filter:brightness(.9)}.hd{transition:transform var(--d-3) var(--e-out),background-color var(--d-3) var(--e-out)}html[data-rf=on] .hd{pointer-events:none;visibility:hidden;transition:transform var(--d-3) var(--e-out),visibility 0s linear var(--d-3);transform:translateY(calc(-100% - 40px))}html[data-rf=on] :is(.ar-side,.ar-dock,.ar-shr,.ar-crumbs,.reveal){visibility:hidden}html[data-rf=on] .reveal{display:none}.ar-fx{top:max(16px,env(safe-area-inset-top));right:max(16px,env(safe-area-inset-right));z-index:55;border-radius:var(--r-pill);background:var(--fg);height:44px;color:var(--bg);box-shadow:var(--sh-3);cursor:pointer;align-items:center;gap:8px;padding:0 18px 0 14px;font-size:15px;font-weight:540;display:none;position:fixed}.ar-fx:hover{background:var(--fg-2)}.ar-fx:focus-visible{outline:2px solid var(--focus);outline-offset:3px}html[data-rf=on] .ar-fx{display:inline-flex}html:not(.js) :is([data-open],[data-focus],[data-share],[data-copy]){visibility:hidden}.ar{--body:680px;padding-bottom:clamp(72px,9vw,128px)}.ar :focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}:where(.ar button){font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;padding:0}.bl-c0{--c:var(--signal-ink)}.bl-c1{--c:#8a5a00}.bl-c2{--c:#a8402c}.bl-c3{--c:#3d4a5a}.bl-dot{background:var(--c);border-radius:50%;flex:none;width:8px;height:8px;display:inline-block}.ar-in{padding-top:clamp(28px,4vw,56px)}.ar-in-t{gap:20px;max-width:900px;display:grid}.ar-crumbs ol{color:var(--fg-3);flex-wrap:wrap;align-items:center;gap:4px 8px;margin:0;padding:0;font-size:14px;list-style:none;display:flex}.ar-crumbs li{align-items:center;gap:8px;min-width:0;display:inline-flex}.ar-crumbs li+li:before{content:"";border-right:1.5px solid var(--line-3);border-top:1.5px solid var(--line-3);flex:none;width:6px;height:6px;margin-right:2px;transform:rotate(45deg)}.ar-crumbs a{color:var(--fg-3);text-decoration:none}.ar-crumbs a:hover{color:var(--fg);text-underline-offset:3px;text-decoration:underline}.ar-crumbs [aria-current]{color:var(--fg-2);text-overflow:ellipsis;white-space:nowrap;max-width:34ch;display:block;overflow:hidden}@media (max-width:620px){.ar-crumbs [aria-current]{max-width:22ch}}.ar-k{margin-top:16px}.ar-cat{color:var(--c);align-items:center;gap:8px;font-size:15px;font-weight:540;text-decoration:none;display:inline-flex}.ar-cat:hover{text-underline-offset:3px;text-decoration:underline}.ar-title{letter-spacing:-.045em;text-wrap:balance;color:var(--fg);font-size:clamp(36px,5.2vw,64px);font-weight:570;line-height:1.03}.ar-lead{color:var(--fg-2);text-wrap:pretty;max-width:62ch;font-size:clamp(18px,1.7vw,21px);line-height:1.5}.ar-row{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px 24px;margin-top:32px;padding-top:22px;display:flex}.ar-by{align-items:center;gap:12px;display:flex}.ar-av{background:var(--brand);width:40px;height:40px;color:var(--brand-ink);object-fit:cover;border-radius:50%;flex:none;place-items:center;display:grid}img.ar-av{background:var(--ar-tint);box-shadow:0 0 0 1px var(--line)}.ar-av-i{background:var(--brand-tint);color:var(--brand-deep);letter-spacing:.02em;font-size:14px;font-weight:600}.ar-av .mark-dot{fill:var(--brand-ink);opacity:.55}.ar-by-n{color:var(--fg);font-size:15px;font-weight:560}.ar-by-d{color:var(--fg-3);flex-wrap:wrap;gap:4px 10px;font-size:14px;display:flex}.ar-by-d>*+:before{content:"·";color:var(--line-3);margin-right:10px}.ar-fig{margin:clamp(28px,4vw,48px) 0 0}.ar-fig img{border-radius:var(--r-4);border:1px solid var(--line);background:var(--sunk);width:100%;height:auto;display:block}.ar-body{grid-template-columns:minmax(0,var(--body)) 248px;max-width:calc(1040px + var(--gut)*2);padding-inline:var(--gut);justify-content:space-between;align-items:start;gap:clamp(40px,5vw,72px);margin:clamp(40px,5vw,72px) auto 0;display:grid}.ar-main{min-width:0}.ar-text.prose{max-width:none;font-size:var(--rs);margin-top:0}.ar-text pre{background:var(--ar-tint)}.ar-text h2,.ar-text h3,.ar-text h4{scroll-margin-top:calc(var(--top) + 8px);text-wrap:balance}.ar-text h2{font-size:1.65em}.ar-text h3{font-size:1.28em}.ar-text h4{font-size:1.06em}.ar-text h2+*,.ar-text h3+*,.ar-text h4+*{margin-top:.7em}.ar-text a{text-underline-offset:3px}.ar-text blockquote{border-left-color:var(--signal);font:italic 500 1.3em/1.45 var(--serif);letter-spacing:-.01em}.ar-text blockquote p{font:inherit}.ar-bar{border-radius:var(--r-pill);background:var(--line-2);height:4px;position:relative;overflow:hidden}.ar-bar i{background:var(--brand);transform-origin:0;border-radius:inherit;position:absolute;inset:0;transform:scaleX(0)}.ar-pg{color:var(--fg-3);font-variant-numeric:tabular-nums;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:8px;font-size:14px;display:flex}.ar-side{top:var(--top);max-height:calc(100vh - var(--top) - 24px);grid-template-rows:auto minmax(0,1fr);gap:22px;display:grid;position:sticky}.ar-card{border-radius:var(--r-4);background:var(--ar-tint);border:1px solid var(--line);gap:4px;padding:18px;display:grid}.ar-left{letter-spacing:-.03em;color:var(--fg);font-variant-numeric:tabular-nums;margin-bottom:10px;font-size:26px;font-weight:580;line-height:1}.ar-card .ar-bar{height:6px}.ar-tools{border-top:1px solid var(--line-2);gap:6px;margin-top:14px;padding-top:12px;display:flex}.ar-ib{border-radius:var(--r-2);width:40px;height:40px;color:var(--fg-2);place-items:center;text-decoration:none;display:inline-grid}.ar-ib:hover{background:var(--hover);color:var(--fg)}.ar-ib[aria-pressed=true]{background:var(--brand-tint);color:var(--fg)}.ar-aa{font:500 18px/1 var(--sans);letter-spacing:-.03em}.ar-toc-w{grid-template-rows:auto minmax(0,1fr);gap:12px;min-height:0;display:grid}.ar-side-h{color:var(--fg);font-size:14px;font-weight:560}.ar-toc ol{margin:0;padding:0;list-style:none}.ar-toc a{color:var(--fg-3);font-size:15px;line-height:1.4;text-decoration:none;display:block}.ar-toc a:hover,.ar-toc a[aria-current]{color:var(--fg)}.ar-toc-side{overscroll-behavior:contain;scrollbar-width:thin;overflow:auto}.ar-toc-side ol{position:relative}.ar-toc-side ol:before{content:"";background:var(--line-2);width:1px;position:absolute;top:14px;bottom:14px;left:7px}.ar-toc-side li{padding-left:20px;position:relative}.ar-toc-side li:before{content:"";background:var(--line-3);width:7px;height:7px;box-shadow:0 0 0 3px var(--bg);transition:background-color var(--d-1),transform var(--d-1);border-radius:50%;position:absolute;top:12px;left:4px}.ar-toc-side a{padding:6px 0;font-size:14.5px}.ar-toc-side li.is-done:before,.ar-toc-side li.is-on:before{background:var(--brand)}.ar-toc-side li.is-on:before{transform:scale(1.3)}@media (max-width:999px){.ar-body{grid-template-columns:minmax(0,var(--body));justify-content:center}.ar-side{display:none}}.ar-dock{left:max(12px,env(safe-area-inset-left));right:max(12px,env(safe-area-inset-right));bottom:max(12px,env(safe-area-inset-bottom));z-index:45;border-radius:var(--r-4);background:var(--bg-1);border:1px solid var(--line-2);box-shadow:var(--sh-3);opacity:0;transition:transform var(--d-3) var(--e-out),opacity var(--d-2);align-items:center;gap:4px;padding:6px;display:none;position:fixed;transform:translateY(calc(100% + 24px))}.is-reading .ar-dock{opacity:1;transform:none}.ar-dock-p{flex:1;min-width:0;padding:0 10px;display:grid}.ar-dock-p .ar-pg{margin-bottom:6px;font-size:13px}.ar-dock .ar-ib{width:44px;height:44px}@media (max-width:999px){.js .ar-dock{display:flex}}.ar-x{border-radius:var(--r-2);width:40px;height:40px;color:var(--fg-2);flex:none;place-items:center;display:grid}.ar-x:hover{background:var(--hover);color:var(--fg)}.ar-sheet{width:100%;max-width:none;max-height:none;padding:0 0 env(safe-area-inset-bottom);border-radius:var(--r-5) var(--r-5) 0 0;background:var(--bg-1);color:var(--fg);box-shadow:var(--sh-3);border:0;margin:0;position:fixed;inset:auto 0 0}.ar-sheet::backdrop{background:#0c101461}.ar-sheet[open]{animation:ar-up var(--d-3) var(--e-out)}.ar-sheet-in{gap:16px;padding:20px 20px 24px;display:grid}.ar-sheet-h{justify-content:space-between;align-items:center;gap:12px;display:flex}.ar-sheet-h h2{letter-spacing:-.01em;font-size:17px;font-weight:580}.ar-toc-sheet{overscroll-behavior:contain;max-height:min(55vh,520px);overflow:auto}.ar-toc-sheet a{border-bottom:1px solid var(--line);padding:11px 0;font-size:16px}.ar-toc-sheet a[aria-current]{color:var(--brand-text);font-weight:560}.ar-sheet-tools{justify-content:space-between;gap:8px;display:flex}.ar-tool{border-radius:var(--r-2);min-height:44px;color:var(--fg-2);align-items:center;gap:10px;padding:0 10px;font-size:15px;display:flex}.ar-tool:hover{background:var(--hover);color:var(--fg)}@keyframes ar-up{0%{opacity:0;transform:translateY(24px)}}.ar-pf{border:1px solid var(--line);border-radius:var(--r-5);background:var(--bg-1);width:min(560px,100vw - 32px);max-height:calc(100dvh - 32px);color:var(--fg);box-shadow:var(--sh-3);padding:0;overflow:auto}.ar-pf::backdrop{background:#0c10146b}.ar-pf[open]{animation:ar-pf var(--d-3) var(--e-out)}@keyframes ar-pf{0%{opacity:0;transform:translateY(8px)scale(.98)}}.ar-pf-in{gap:22px;padding:clamp(22px,4vw,40px);display:grid}.ar-pf-head{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.ar-pf-head>div{gap:10px;display:grid}.ar-pf-k{font:500 12px/1 var(--mono);letter-spacing:var(--track-label);text-transform:uppercase;color:var(--fg-3)}.ar-pf-t{letter-spacing:-.035em;font-size:clamp(24px,3vw,30px);font-weight:560;line-height:1.1}.ar-pf fieldset{border:0;min-width:0;margin:0;padding:0}.ar-pf legend{color:var(--fg);margin-bottom:10px;padding:0;font-size:15px;font-weight:580}.ar-pf hr{background:var(--line-2);border:0;height:1px;margin:0}.ar-opts{gap:8px;display:grid}.ar-size{grid-template-columns:repeat(3,1fr)}.ar-paper{grid-template-columns:repeat(2,1fr)}.ar-opt{display:grid;position:relative}.ar-opt input{opacity:0;cursor:pointer;margin:0;position:absolute;inset:0}.ar-opt span{border-radius:var(--r-3);border:1px solid var(--line-2);background:var(--bg-1);color:var(--fg);transition:border-color var(--d-1),background-color var(--d-1);flex-direction:column;justify-content:center;align-items:center;gap:6px;display:flex}.ar-size span{height:96px}.ar-paper span{flex-direction:row;gap:10px;height:56px;font-size:16px}.ar-opt b{font-weight:450;line-height:1}.ar-fs0{font-size:26px}.ar-fs1{font-size:32px}.ar-fs2{font-size:38px}.ar-opt small{color:var(--fg-3);font-size:13px}.ar-opt input:hover+span{border-color:var(--line-3)}.ar-opt input:checked+span{border-color:var(--brand);background:var(--brand-wash);box-shadow:inset 0 0 0 1px var(--brand)}.ar-opt input:focus-visible+span{outline:2px solid var(--focus);outline-offset:2px}.ar-dot{border:1.5px solid var(--line-3);background:#f7f5f0;border-radius:50%;width:18px;height:18px;display:inline-block}.ar-dot.is-night{background:#13171b;border-color:#13171b}html[data-theme=dark] .ar-dot.is-night{border-color:var(--fg-3)}.ar-sw{justify-content:space-between;align-items:center;gap:16px;display:flex}.ar-sw label{cursor:pointer;gap:2px;display:grid}.ar-sw b{font-size:16px;font-weight:540}.ar-sw label span{color:var(--fg-3);font-size:14px}.ar-switch{appearance:none;border-radius:var(--r-pill);background:var(--line-2);cursor:pointer;width:48px;height:28px;transition:background-color var(--d-2);flex:none;margin:0;position:relative}.ar-switch:after{content:"";width:22px;height:22px;box-shadow:var(--sh-1);transition:transform var(--d-2) var(--e-out);background:#fff;border-radius:50%;position:absolute;top:3px;left:3px}.ar-switch:checked{background:var(--brand)}.ar-switch:checked:after{transform:translate(20px)}.ar-switch:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.ar-pf-note{color:var(--fg-3);font-size:13px}@media (max-width:620px){.ar-size span{height:84px}}.ar-shr{flex-wrap:wrap;align-items:center;gap:4px;display:flex;position:relative}.ar-shr-btn{border-radius:var(--r-pill);height:40px;color:var(--fg-2);white-space:nowrap;align-items:center;gap:8px;padding:0 10px;font-size:15px;display:inline-flex}.ar-shr-btn:hover{background:var(--hover);color:var(--fg)}.ar-shr-lbl{display:inline-grid}.ar-shr-lbl>*{grid-area:1/1}.ar-shr-lbl>[data-done],.is-copied .ar-shr-lbl>[data-idle]{visibility:hidden}.is-copied .ar-shr-lbl>[data-done]{visibility:visible}.ar-shr-btn.is-copied{color:var(--signal-ink)}.ar-shr-st{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.ar-shr-st.is-err{clip:auto;white-space:normal;width:auto;height:auto;color:var(--feedback-ink);flex-basis:100%;font-size:14px;position:static}.ar-shr-menu{z-index:30;border-radius:var(--r-3);background:var(--bg-1);border:1px solid var(--line-2);min-width:240px;box-shadow:var(--sh-3);padding:6px;display:grid;position:absolute;top:calc(100% + 8px);left:0}.ar-shr-menu[hidden]{display:none}.ar-shr-menu.is-end{left:auto;right:0}@media (min-width:621px){.ar-row .ar-shr-menu,.ar-end-row .ar-shr-menu{left:auto;right:0}}.ar-shr-menu.is-up{top:auto;bottom:calc(100% + 8px)}.ar-shr-menu a{border-radius:var(--r-2);min-height:42px;color:var(--fg);align-items:center;gap:12px;padding:0 12px;font-size:15px;text-decoration:none;display:flex}.ar-shr-menu a:hover{background:var(--hover)}.ar-end{gap:28px;margin-top:clamp(48px,6vw,72px);display:grid}.ar-end-mark{color:var(--fg-3);font:italic 500 17px/1 var(--serif);align-items:center;gap:14px;display:flex}.ar-end-mark:before,.ar-end-mark:after{content:"";background:var(--line-2);flex:1;height:1px}.ar-end-row{border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-bottom:28px;display:flex}.ar-tags{color:var(--fg-3);flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;display:flex}.ar-tags a{border-radius:var(--r-pill);border:1px solid var(--line-2);color:var(--fg-2);padding:5px 12px;text-decoration:none}.ar-tags a:hover{border-color:var(--line-3);color:var(--fg)}.ar-h2{letter-spacing:-.02em;font-size:22px;font-weight:580}.ar-rel{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.ar-rel a{border-radius:var(--r-4);background:var(--ar-tint);color:var(--fg);transition:border-color var(--d-1),box-shadow var(--d-1),background-color var(--d-1);border:1px solid #0000;align-content:start;gap:10px;padding:12px 12px 18px;text-decoration:none;display:grid}.ar-rel a:hover{border-color:var(--line-2);background:var(--bg);box-shadow:var(--sh-2)}.ar-rel .bl-art{aspect-ratio:16/9;border-radius:var(--r-3)}.ar-rel .bl-art:after{content:"";background-image:var(--grain);opacity:.7;position:absolute;inset:0}.ar-rel .bl-art img{z-index:1}.ar-rel b{letter-spacing:-.015em;padding-inline:4px;font-size:17px;font-weight:570;line-height:1.3}.ar-rel-m{color:var(--fg-3);flex-wrap:wrap;gap:8px;padding-inline:4px;font-size:14px;display:flex}.ar-rel-m>*+:before{content:"·";margin-right:8px}@media (max-width:620px){.ar-rel{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.ar *,.ar :before,.ar :after,.hd{transition:none!important;animation:none!important}}.ar-probe{width:1px;height:var(--top);visibility:hidden;pointer-events:none;position:absolute;top:0;left:0}.ar-card .ar-tools{justify-content:space-between;gap:0;position:relative}.ar-card .ar-tools .ar-ib{width:30px}.ar-shr-i{display:contents}.ar-shr-i .ar-shr-menu{inset:auto 0 calc(100% + 8px) auto}.ar-ib.is-copied{color:var(--signal-ink)}