@font-face{font-family:"Source Serif 4 Variable";font-style:normal;font-weight:200 900;font-display:swap;src:url(/fonts/source-serif-4-latin-variable.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--font-serif:"Source Serif 4 Variable", "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", "Hiragino Mincho ProN", "Yu Mincho", YuMincho, "Noto Serif JP", "Noto Serif CJK JP", serif;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Meiryo, "Noto Sans JP", "Noto Sans CJK JP", sans-serif;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--font-body:var(--font-serif);--font-display:var(--font-serif);--ink:#1a1b1e;--ink-strong:#000;--ink-muted:#5c6169;--ink-faint:#6c7178;--bg:#fdfcf9;--bg-raised:#f4f2ea;--rule:#e1ddd2;--rule-strong:#c3bdad;--accent:#1c3f66;--accent-hover:#10273f;--marker:#8a5c1f;--marker-bg:#faf4e8;--shell-max:76rem;--sidebar-w:15.5rem;--shell-gap:clamp(2.5rem, 5vw, 4.5rem);--gutter:clamp(1.25rem, 4vw, 3rem);--rail-w:9rem;--rail-gap:1.75rem;--prose-max:38rem;--leading:1.7;color-scheme:light dark}html[lang=ja]{--font-body:var(--font-sans);--leading:1.85;line-break:strict}@media (prefers-color-scheme:dark){:root{--ink:#ddd9d1;--ink-strong:#f6f3ed;--ink-muted:#9b978e;--ink-faint:#95918a;--bg:#15161a;--bg-raised:#1d1f24;--rule:#32343b;--rule-strong:#4a4d56;--accent:#8db4dd;--accent-hover:#b8d3f0;--marker:#cfa055;--marker-bg:#241f16}}*,:before,:after{box-sizing:border-box}body,h1,h2,h3,h4,p,ul,ol,li,dl,dd,figure{margin:0;padding:0}ul,ol{list-style:none}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5rem;font-size:100%}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:1.0625rem;line-height:var(--leading);font-kerning:normal;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;overflow-wrap:break-word}@media (width<=34rem){body{font-size:1rem}}a{color:var(--accent);text-underline-offset:.18em;text-decoration:underline 1px;text-decoration-color:color-mix(in srgb, var(--accent) 38%, transparent);transition:color .12s,text-decoration-color .12s}a:hover,a:focus-visible{color:var(--accent-hover);text-decoration-color:currentColor}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:1px}.skip-link{z-index:20;background:var(--bg-raised);border:1px solid var(--rule-strong);padding:.5rem 1rem;position:absolute;top:0;left:-9999px}.skip-link:focus{top:.75rem;left:1rem}.shell{max-width:var(--shell-max);padding:clamp(2.5rem, 6vw, 4.5rem) var(--gutter) clamp(3rem, 8vw, 6rem);grid-template-columns:var(--sidebar-w) minmax(0, 1fr);gap:var(--shell-gap);align-items:stretch;margin-inline:auto;display:grid}@media (width<=60rem){.shell{grid-template-columns:minmax(0,1fr);gap:2.5rem;padding-top:2rem}}.sidebar__inner{overscroll-behavior:contain;max-height:calc(100vh - 2*clamp(2.5rem,6vw,4.5rem));position:sticky;top:clamp(2.5rem,6vw,4.5rem);overflow-y:auto}@media (width<=60rem){.sidebar__inner{position:static}}.ident__name{font-family:var(--font-display);letter-spacing:-.012em;color:var(--ink-strong);font-size:1.75rem;font-weight:600;line-height:1.18}html[lang=ja] .ident__name{letter-spacing:.02em;font-size:1.625rem}.ident__reading{font-family:var(--font-sans);letter-spacing:.04em;color:var(--ink-muted);margin-top:.35rem;font-size:.875rem}.ident__role{border-top:1px solid var(--rule);font-family:var(--font-sans);color:var(--ink-muted);margin-top:1rem;padding-top:1rem;font-size:.8125rem;line-height:1.6}.ident__role strong{color:var(--ink);font-weight:600;display:block}.ident__name a{color:inherit;text-decoration:none}.ident__name a:hover{color:var(--accent)}.page-nav{border-top:1px solid var(--rule);margin-top:1.5rem;padding-top:1.25rem}.page-nav ul{flex-direction:column;gap:.35rem;display:flex}.page-nav a{font-family:var(--font-sans);color:var(--ink-muted);font-size:.9375rem;line-height:1.4;text-decoration:none}.page-nav a:hover{color:var(--accent)}.page-nav a[aria-current=page]{color:var(--ink-strong);font-weight:700}.sec-nav{border-top:1px solid var(--rule);margin-top:1.25rem;padding-top:1.1rem}.sec-nav__label,.sidebar__label{font-family:var(--font-sans);letter-spacing:.15em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:.75rem;font-size:.6875rem;font-weight:600}html[lang=ja] .sec-nav__label,html[lang=ja] .sidebar__label{letter-spacing:.1em;text-transform:none;font-size:.75rem}.sec-nav__list{flex-direction:column;gap:.1rem;display:flex}.sec-nav__list a{font-family:var(--font-sans);border-left:2px solid var(--rule);color:var(--ink-muted);padding:.3rem 0 .3rem .75rem;font-size:.875rem;line-height:1.4;text-decoration:none;display:block}.sec-nav__list a:hover{color:var(--accent);border-left-color:var(--rule-strong)}.sec-nav__list a[aria-current=true]{color:var(--ink-strong);border-left-color:var(--accent);font-weight:600}.sidebar__block{border-top:1px solid var(--rule);margin-top:1.5rem;padding-top:1.25rem}.sidebar__links{font-family:var(--font-sans);flex-direction:column;gap:.4rem;font-size:.8125rem;display:flex}.sidebar__links a{border-bottom:1px solid #0000;width:fit-content;text-decoration:none}.sidebar__links a:hover{border-bottom-color:color-mix(in srgb, var(--accent) 40%, transparent)}.sidebar__links .handle{color:var(--ink-faint);font-size:.75rem}.lang-switch{font-family:var(--font-sans);color:var(--ink-faint);flex-wrap:wrap;align-items:baseline;gap:.4rem;font-size:.8125rem;display:flex}.lang-switch a{border-bottom:1px solid color-mix(in srgb, var(--accent) 35%, transparent);text-decoration:none}.lang-switch [aria-current=true]{color:var(--ink);font-weight:600}@media (width<=60rem){.sec-nav{display:none}.sidebar__inner{border-bottom:1px solid var(--rule-strong);padding-bottom:.6rem}.ident__reading{margin-top:.15rem}.ident__role{margin-top:.6rem;padding-top:.6rem}.ident__role strong{display:inline}.ident__role strong:after{content:" · ";color:var(--ink-faint);font-weight:400}.page-nav{margin-top:.6rem;padding-top:.35rem}.page-nav ul{flex-flow:wrap;gap:0 1.25rem}.page-nav a{min-width:1.5rem;min-height:1.5rem;padding-block:.35rem;display:block}.sidebar__block{margin-top:.6rem;padding-top:.6rem}.sidebar__label{display:none}.sidebar__links{flex-flow:wrap;gap:0 1.1rem}.sidebar__links a{min-height:1.5rem;padding-block:.35rem;display:block}.sidebar__links .handle{display:none}.lang-switch a,.lang-switch span[aria-current]{padding-block:.3rem;display:inline-block}}.lede{font-family:var(--font-display);color:var(--ink-strong);text-wrap:pretty;max-width:min(100%,42rem);font-size:clamp(1.25rem,2.2vw,1.5rem);line-height:1.45}html[lang=ja] .lede{font-family:var(--font-body);font-size:clamp(1.125rem,2vw,1.3125rem);line-height:1.7}.page-title{font-family:var(--font-display);letter-spacing:-.01em;color:var(--ink-strong);font-size:clamp(1.75rem,4vw,2.25rem);font-weight:600;line-height:1.2}html[lang=ja] .page-title{letter-spacing:.02em}.page-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.5rem 1.5rem;display:flex}.page-head__aside{font-family:var(--font-sans);font-size:.8125rem}.section{margin-top:clamp(2.75rem,6vw,4rem);scroll-margin-top:1.5rem}.section--first{margin-top:0}.section__more{font-family:var(--font-sans);margin-top:1.4rem;font-size:.8125rem}.section__more a:after{content:" →";text-decoration:none}.section__title{font-family:var(--font-sans);letter-spacing:.15em;text-transform:uppercase;color:var(--ink-muted);border-bottom:1px solid var(--rule-strong);margin-bottom:1.75rem;padding-bottom:.6rem;font-size:.75rem;font-weight:700}html[lang=ja] .section__title{letter-spacing:.1em;text-transform:none;font-size:.8125rem}.subsection+.subsection{margin-top:2.25rem}.subsection__title{font-family:var(--font-sans);color:var(--ink-muted);margin-bottom:1.1rem;font-size:.8125rem;font-weight:600}.prose{max-width:var(--prose-max);text-wrap:pretty}.prose--after-lede{margin-top:1.25rem}.prose p+p{margin-top:1.05em}.rail-row{grid-template-columns:var(--rail-w) minmax(0, 1fr);gap:0 var(--rail-gap);display:grid}.rail{font-family:var(--font-sans);color:var(--ink-muted);font-variant-numeric:tabular-nums;font-size:.8125rem;line-height:1.45}.rail strong{color:var(--ink);letter-spacing:.01em;font-weight:600;display:block}.rail span{color:var(--ink-faint);font-size:.75rem;display:block}@media (width<=44rem){.rail-row{grid-template-columns:minmax(0,1fr);gap:.3rem 0}.rail{flex-wrap:wrap;align-items:baseline;gap:.15rem .6rem;display:flex}.rail strong,.rail span{display:inline}}.highlights{background:var(--rule);border:1px solid var(--rule);grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;display:grid}@media (width<=38rem){.highlights{grid-template-columns:minmax(0,1fr)}}.highlight{background:var(--bg);padding:1.1rem 1.25rem}.highlight__title{font-family:var(--font-display);color:var(--ink-strong);font-size:1.0625rem;font-weight:600;line-height:1.35}html[lang=ja] .highlight__title{font-family:var(--font-body);font-size:1rem}.highlight__note{font-family:var(--font-sans);color:var(--ink-muted);margin-top:.35rem;font-size:.8125rem;line-height:1.5}.topic-teasers{flex-direction:column;gap:1.1rem;display:flex}.topic-teaser__title{font-family:var(--font-display);color:var(--ink-strong);border-bottom:1px solid var(--rule-strong);font-size:1.0625rem;font-weight:600;line-height:1.35;text-decoration:none}html[lang=ja] .topic-teaser__title{font-family:var(--font-body)}.topic-teaser__title:hover{color:var(--accent);border-bottom-color:currentColor}.topic{border-top:1px solid var(--rule-strong);margin-top:clamp(3rem,7vw,4.5rem);padding-top:clamp(1.5rem,3vw,2rem);scroll-margin-top:1.5rem}.topic.section--first{border-top:0;margin-top:clamp(1.75rem,4vw,2.5rem);padding-top:0}.topic__title{font-family:var(--font-display);color:var(--ink-strong);font-size:clamp(1.3125rem,2.6vw,1.5rem);font-weight:600;line-height:1.3}html[lang=ja] .topic__title{font-family:var(--font-body)}.topic__body{margin-top:1.35rem}.topic__related{margin-top:2rem}.software-list{flex-direction:column;gap:1.25rem;display:flex}.link-list{font-family:var(--font-sans);flex-direction:column;gap:.4rem;font-size:.875rem;display:flex}.link-list li{padding-left:.9rem;position:relative}.link-list li:before{content:"·";color:var(--ink-faint);position:absolute;left:.15rem}.software__link{font-family:var(--font-mono);margin-top:.2rem;font-size:.75rem}.software__link a{border-bottom:1px solid color-mix(in srgb, var(--accent) 35%, transparent);text-decoration:none}.rail-list{flex-direction:column;gap:1.6rem;display:flex}.pub{scroll-margin-top:5rem}.pub__title{font-family:var(--font-display);color:var(--ink-strong);font-size:1.0625rem;font-weight:600;line-height:1.4}html[lang=ja] .pub__title{font-family:var(--font-body);line-height:1.55}.pub__authors{font-family:var(--font-sans);color:var(--ink-muted);margin-top:.3rem;font-size:.8125rem;line-height:1.55}.pub__authors .self{color:var(--ink-strong);font-weight:600}.pub__venue{font-family:var(--font-sans);color:var(--ink-faint);margin-top:.15rem;font-size:.8125rem;line-height:1.55}.pub__venue .pages:before,.pub__venue .note:before{content:" · "}.pub__aside{font-family:var(--font-sans);flex-wrap:wrap;align-items:center;gap:.4rem .85rem;margin-top:.55rem;font-size:.75rem;display:flex}.pub__links{flex-wrap:wrap;gap:.4rem .85rem;display:flex}.pub__links a{border-bottom:1px solid color-mix(in srgb, var(--accent) 35%, transparent);text-decoration:none}.pub__links a:hover{border-bottom-color:currentColor}.badge{border:1px solid color-mix(in srgb, var(--marker) 45%, transparent);background:var(--marker-bg);color:var(--marker);letter-spacing:.02em;white-space:nowrap;border-radius:2px;padding:.12rem .5rem;display:inline-block}.timeline{flex-direction:column;display:flex}.timeline__group{grid-template-columns:var(--rail-w) minmax(0, 1fr);gap:0;padding-bottom:2rem;display:grid}.timeline__group:last-child{padding-bottom:0}.timeline__year{font-family:var(--font-sans);letter-spacing:.04em;color:var(--ink-strong);font-variant-numeric:tabular-nums;font-size:1rem;font-weight:700}.timeline__entries{border-left:1px solid var(--rule);padding-left:var(--rail-gap);flex-direction:column;gap:1.15rem;display:flex}@media (width<=44rem){.timeline__group{grid-template-columns:minmax(0,1fr);gap:.6rem 0;padding-bottom:1.75rem}.timeline__entries{border-left:0;padding-left:0}}.entry__head{flex-wrap:wrap;align-items:baseline;gap:.25rem .6rem;line-height:1.45;display:flex}.entry__title{color:var(--ink-strong);font-weight:600}.entry--marked .entry__title:before{content:"★";color:var(--marker);vertical-align:.1em;margin-right:.4em;font-size:.75em}.entry__stat{font-family:var(--font-sans);letter-spacing:.03em;white-space:nowrap;color:var(--marker);background:var(--marker-bg);border:1px solid color-mix(in srgb, var(--marker) 32%, transparent);border-radius:2px;padding:.05rem .4rem;font-size:.6875rem;line-height:1.5}.entry__summary{margin-top:.15rem;line-height:1.55}.entry__details{font-family:var(--font-sans);color:var(--ink-muted);flex-direction:column;gap:.25rem;margin-top:.35rem;font-size:.8125rem;line-height:1.55;display:flex}.entry__details li{padding-left:.85rem;position:relative}.entry__details li:before{content:"·";color:var(--ink-faint);position:absolute;left:.1rem}.career__role{color:var(--ink-strong);font-weight:600;line-height:1.5}.career__org,.career__note{font-family:var(--font-sans);color:var(--ink-muted);font-size:.8125rem;line-height:1.55}.plain-list{flex-direction:column;gap:.5rem;display:flex}.plain-list li{padding-left:1rem;line-height:1.55;position:relative}.plain-list li:before{content:"";background:var(--rule-strong);border-radius:50%;width:4px;height:4px;position:absolute;top:.62em;left:0}.plain-list .detail{font-family:var(--font-sans);color:var(--ink-muted);font-size:.8125rem}.plain-list .detail:before{content:" — ";color:var(--ink-faint)}.mono{font-family:var(--font-mono);letter-spacing:-.01em;font-size:.875em}.site-footer{border-top:1px solid var(--rule);font-family:var(--font-sans);color:var(--ink-faint);margin-top:clamp(3rem,7vw,4.5rem);padding-top:1.25rem;font-size:.75rem}.notfound{max-width:34rem;padding-inline:var(--gutter);margin:clamp(4rem,15vh,8rem) auto}.notfound__code{font-family:var(--font-sans);letter-spacing:.18em;color:var(--ink-faint);font-size:.75rem}.notfound__title{font-family:var(--font-display);color:var(--ink-strong);margin-top:.5rem;font-size:clamp(1.75rem,5vw,2.25rem);font-weight:600}.notfound p+p{margin-top:.75rem}.notfound__body{color:var(--ink-muted)}.notfound__links{font-family:var(--font-sans);flex-wrap:wrap;gap:.5rem 1.5rem;margin-top:1.5rem;font-size:.875rem;display:flex}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.print-head{display:none}@page{size:A4;margin:16mm 14mm}@media print{:root{--bg:#fff;--bg-raised:#fff;--marker-bg:#fff;--ink:#000;--ink-strong:#000;--ink-muted:#333;--ink-faint:#555;--accent:#000;--rule:#bbb;--rule-strong:#888;--shell-max:none;--rail-w:8rem;--rail-gap:1.25rem;--prose-max:none}body{font-size:10.5pt;line-height:1.5}.sidebar,.skip-link,.page-head__aside,.section__more{display:none}.shell{max-width:none;padding:0;display:block}.print-head{border-bottom:1.5pt solid #000;margin-bottom:1.5rem;padding-bottom:.75rem;display:block}.print-head__name{font-family:var(--font-display);font-size:20pt;font-weight:600;line-height:1.15}.print-head__meta{font-family:var(--font-sans);color:#333;margin-top:.25rem;font-size:8.5pt}.page-title{font-size:13pt}.section{margin-top:1.5rem}a{text-decoration:none}h2,h3{break-after:avoid}.pub,.highlight,.timeline__group,.rail-row{break-inside:avoid}.site-footer{display:none}}