.progress-bar[data-astro-cid-jx4nc67j]{position:fixed;top:0;left:0;height:1px;width:0%;background:var(--accent);z-index:1000;transition:width .1s linear}.memo-id[data-astro-cid-icllwnli]{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--accent);border:1px solid var(--accent);padding:4px 8px;display:inline-block}.layer-tag[data-astro-cid-igwnwurh]{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--text-1);text-transform:uppercase}.toc[data-astro-cid-xvrfupwn]{position:sticky;top:100px;align-self:start;height:max-content}.toc__label[data-astro-cid-xvrfupwn]{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-5);margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border-soft)}.toc__list[data-astro-cid-xvrfupwn]{display:flex;flex-direction:column;gap:14px}.toc__item[data-astro-cid-xvrfupwn]{list-style:none}.toc__link[data-astro-cid-xvrfupwn]{display:flex;gap:10px;align-items:baseline;font-family:var(--font-mono);font-size:12px;color:var(--text-4);line-height:1.4;transition:color .2s}.toc__num[data-astro-cid-xvrfupwn]{color:var(--text-5);font-size:10px;min-width:18px;flex-shrink:0;transition:color .2s}.toc__text[data-astro-cid-xvrfupwn]{flex:1}.toc__link[data-astro-cid-xvrfupwn]:hover{color:var(--text-1)}.toc__link--active[data-astro-cid-xvrfupwn],.toc__link--active[data-astro-cid-xvrfupwn] .toc__num[data-astro-cid-xvrfupwn]{color:var(--accent)}.toc__meta[data-astro-cid-xvrfupwn]{margin-top:36px;padding-top:20px;border-top:1px solid var(--border-soft);font-family:var(--font-mono);font-size:11px;color:var(--text-4);line-height:1.7}.toc__meta-row[data-astro-cid-xvrfupwn]{display:flex;justify-content:space-between;padding:3px 0}.toc__meta-row[data-astro-cid-xvrfupwn] span[data-astro-cid-xvrfupwn]:last-child{color:var(--text-2)}.hero[data-astro-cid-bbe6dxrz]{width:100%;aspect-ratio:16 / 9;overflow:hidden;border:1px solid var(--border-soft);margin-bottom:64px}.hero__img[data-astro-cid-bbe6dxrz]{width:100%;height:100%;object-fit:cover;object-position:center}.prose{font-family:var(--font-serif);font-size:19px;line-height:1.7;color:var(--text-2);max-width:680px;font-weight:400}.prose p{margin-bottom:24px}.prose>p:first-of-type:first-line{font-variant:small-caps;letter-spacing:.04em}.prose h2{font-family:var(--font-sans);font-size:30px;font-weight:500;letter-spacing:-.02em;color:var(--text-1);margin:64px 0 24px;line-height:1.2;display:flex;align-items:baseline;gap:16px;padding-top:0;border-top:none}.prose h2 .section-num{font-family:var(--font-mono);font-size:13px;color:var(--text-4);font-weight:400;letter-spacing:.06em;min-width:32px;flex-shrink:0;display:inline;margin-bottom:0}.prose h2 .anchor{color:var(--text-5);margin-left:8px;font-size:20px;opacity:0;transition:opacity .15s;text-decoration:none;font-family:var(--font-sans);font-weight:400}.prose h2:hover .anchor{opacity:1}.prose h3{font-family:var(--font-sans);font-size:20px;font-weight:500;color:var(--text-1);margin-top:40px;margin-bottom:16px}.prose a{color:var(--text-1);text-decoration:none;border-bottom:1px solid var(--text-4);transition:color .2s,border-color .2s}.prose a:hover{color:var(--accent);border-color:var(--accent)}.prose strong{font-weight:600;color:var(--text-1)}.prose em{font-style:italic;font-family:var(--font-display)}.prose code{font-family:var(--font-mono);font-size:.85em;background:var(--code-bg);padding:2px 6px;border-radius:3px;color:var(--text-1)}.prose pre{margin:32px 0 40px;border:1px solid var(--border-soft);border-radius:0}.prose blockquote{border-left:2px solid var(--border);padding-left:20px;color:var(--text-3);font-style:italic;margin:32px 0}.prose ul,.prose ol{padding-left:24px;margin-bottom:24px}.prose ul{list-style:disc}.prose ol{list-style:decimal}.prose li{margin-bottom:8px;line-height:1.6}.prose hr{border:none;border-top:1px solid var(--border-soft);margin:48px 0}.prose table{width:100%;border-collapse:collapse;margin:32px 0;font-family:var(--font-sans);font-size:15px}.prose th{text-align:left;padding:8px 16px;border-bottom:1px solid var(--border);color:var(--text-3);font-weight:500;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em}.prose td{padding:12px 16px;border-bottom:1px solid var(--border-soft);color:var(--text-2)}.prose tr:last-child td{border-bottom:none}.prose .katex-display{margin:32px 0 40px;overflow-x:auto;border-left:2px solid var(--accent-border);padding-left:24px}.prose figure{margin:32px 0 40px}[data-theme=dark] .katex,[data-theme=light] .katex{color:var(--text-1)}.math-display{overflow-x:auto;overflow-y:hidden;padding:4px 0}.math-inline .katex{font-size:1em}.math-display .katex-display{margin:0}[data-theme=dark] .katex .mord,[data-theme=dark] .katex .mrel,[data-theme=dark] .katex .mop,[data-theme=dark] .katex .mbin,[data-theme=dark] .katex .mpunct{color:var(--text-1)}[data-theme=dark] .katex .delimsizing,[data-theme=dark] .katex .delimiterfactor{color:var(--text-2)}.article-header[data-astro-cid-zm77yjld]{padding:80px 0 56px;border-bottom:1px solid var(--border-soft)}.article-header__container[data-astro-cid-zm77yjld]{max-width:920px}.header-meta[data-astro-cid-zm77yjld]{display:flex;align-items:center;gap:16px;margin-bottom:32px;font-family:var(--font-mono);font-size:12px;color:var(--text-4);letter-spacing:.06em;flex-wrap:wrap}.sep[data-astro-cid-zm77yjld]{color:var(--text-5)}.meta-text[data-astro-cid-zm77yjld]{color:var(--text-4);letter-spacing:.06em}.article-title[data-astro-cid-zm77yjld]{font-family:var(--font-sans);font-size:clamp(40px,5.5vw,64px);font-weight:500;line-height:1.05;letter-spacing:-.035em;margin-bottom:28px;color:var(--text-1)}.article-dek[data-astro-cid-zm77yjld]{font-family:var(--font-serif);font-size:22px;line-height:1.5;color:var(--text-2);max-width:720px;margin-bottom:40px;font-weight:400}.header-byline[data-astro-cid-zm77yjld]{display:flex;align-items:flex-start;gap:24px;padding-top:28px;border-top:1px solid var(--border-soft);flex-wrap:wrap}.byline-group[data-astro-cid-zm77yjld]{display:flex;flex-direction:column;gap:4px}.byline-label[data-astro-cid-zm77yjld]{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-5)}.byline-value[data-astro-cid-zm77yjld]{font-family:var(--font-mono);font-size:12px;color:var(--text-2);font-variant-numeric:tabular-nums}.depth-value[data-astro-cid-zm77yjld]{display:flex;align-items:center}.article-hero[data-astro-cid-zm77yjld]{padding:40px 0 0}.article-body[data-astro-cid-zm77yjld]{padding:64px 0 80px}.article-grid[data-astro-cid-zm77yjld]{display:grid;grid-template-columns:200px 1fr 260px;gap:64px;max-width:1240px;margin:0 auto;padding:0 32px;align-items:start}.article-toc[data-astro-cid-zm77yjld],.article-prose[data-astro-cid-zm77yjld],.article-margin[data-astro-cid-zm77yjld]{min-width:0}@media (max-width: 1100px){.article-grid[data-astro-cid-zm77yjld]{grid-template-columns:200px 1fr}.article-margin[data-astro-cid-zm77yjld]{display:none}}@media (max-width: 768px){.article-header[data-astro-cid-zm77yjld]{padding:48px 0 40px}.article-grid[data-astro-cid-zm77yjld]{grid-template-columns:1fr;gap:0;padding:0 24px}.article-toc[data-astro-cid-zm77yjld]{display:none}.article-body[data-astro-cid-zm77yjld]{padding:40px 0 60px}}.related[data-astro-cid-wpyaxfaw]{margin-top:80px;padding-top:40px;border-top:1px solid var(--border-soft)}.related__label[data-astro-cid-wpyaxfaw]{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-5);margin-bottom:24px}.related__grid[data-astro-cid-wpyaxfaw]{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border-soft);border:1px solid var(--border-soft)}.related__card[data-astro-cid-wpyaxfaw]{display:flex;flex-direction:column;gap:8px;padding:24px;background:var(--bg);transition:background .15s}.related__card[data-astro-cid-wpyaxfaw]:hover{background:var(--surface)}.related__meta[data-astro-cid-wpyaxfaw]{display:flex;gap:8px;align-items:center}.related__memo[data-astro-cid-wpyaxfaw],.related__layer[data-astro-cid-wpyaxfaw],.related__sep[data-astro-cid-wpyaxfaw]{font-family:var(--font-mono);font-size:11px;color:var(--text-5);letter-spacing:.06em}.related__title[data-astro-cid-wpyaxfaw]{font-family:var(--font-sans);font-size:16px;font-weight:500;color:var(--text-1);line-height:1.3}.related__dek[data-astro-cid-wpyaxfaw]{font-family:var(--font-sans);font-size:13px;color:var(--text-3);line-height:1.5;flex:1}.related__read[data-astro-cid-wpyaxfaw]{font-family:var(--font-mono);font-size:11px;color:var(--text-5)}@media (max-width: 640px){.related__grid[data-astro-cid-wpyaxfaw]{grid-template-columns:1fr}}.bibtex[data-astro-cid-2hvuysj3]{margin-top:64px;padding-top:40px;border-top:1px solid var(--border-soft)}.bibtex__label[data-astro-cid-2hvuysj3]{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-5);margin-bottom:16px}.bibtex__block[data-astro-cid-2hvuysj3]{position:relative;background:var(--code-bg);border:1px solid var(--border-soft)}.bibtex__copy[data-astro-cid-2hvuysj3]{position:absolute;top:12px;right:16px;font-family:var(--font-mono);font-size:11px;color:var(--text-5);letter-spacing:.06em;transition:color .15s;z-index:1}.bibtex__copy[data-astro-cid-2hvuysj3]:hover{color:var(--text-2)}.bibtex__pre[data-astro-cid-2hvuysj3]{padding:20px 24px;margin:0;overflow-x:auto;font-family:var(--font-mono);font-size:13px;line-height:1.6;color:var(--text-2)}