:root{--ink:#1a1a1a;--muted:#666;--bg:#fbfbf9;--rule:#e6e6e0;--link:#1a4f8b;--max:42rem;--max-wide:70rem;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--ink:#e6e4df;--muted:#a8a6a0;--bg:#16171a;--rule:#2e3036;--link:#8db8f0}.cseq{--line:#4a5878}article figure>svg,article svg.atom-fig,article .atom-fig svg,article .swap-fig svg,.work-demo{color-scheme:light;color:light-dark(#1a1a1a,#e6e4df);background:light-dark(#fbfbf9,#16171a);border-radius:6px}.work-demo{--ink:#1a1a1a;--muted:#666;--bg:#fbfbf9;--rule:#e6e6e0;--link:#1a4f8b;padding:.6rem .8rem}article img{filter:brightness(.92)}}*{box-sizing:border-box}html{font-size:17px}body{color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;font-family:-apple-system,Hiragino Kaku Gothic ProN,Noto Sans JP,system-ui,sans-serif;line-height:1.8}.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}body.wide .wrap{max-width:var(--max-wide)}header.site{border-bottom:1px solid var(--rule);margin-bottom:2.5rem}header.site .wrap{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.5rem;padding-top:1.25rem;padding-bottom:1.25rem;display:flex}header.site a.brand{color:var(--ink);letter-spacing:.02em;font-size:1.15rem;font-weight:700;text-decoration:none}header.site nav a{color:var(--muted);margin-left:1.1rem;font-size:.9rem;text-decoration:none}header.site nav a:hover{color:var(--ink)}a{color:var(--link)}h1{margin:0 0 .4rem;font-size:1.9rem;line-height:1.3}h2{margin-top:2.2rem;font-size:1.35rem}h3{border-left:3px solid light-dark(#d5d5cc,#50504a);margin-top:1.6rem;margin-bottom:.5rem;padding-left:.6rem;font-size:1.08rem}.meta{color:var(--muted);margin:0 0 2rem;font-size:.85rem}.home-h1{color:var(--muted);margin:0 0 2.2rem;font-size:1.5rem;font-weight:700}ul.posts{padding:0;list-style:none}ul.posts li{margin-bottom:2.2rem}ul.posts a.title{font-size:1.25rem;font-weight:600;text-decoration:none}ul.posts a.title:hover{text-decoration:underline}ul.posts .date{color:var(--muted);margin:.15rem 0 .35rem;font-size:.8rem;display:block}ul.posts p{color:light-dark(#444,#b0b0b0);margin:0}article{overflow-wrap:break-word;padding-bottom:3rem}article p{margin:1.1rem 0}article img{max-width:100%;height:auto;margin:1.2rem auto;display:block}article table{border-collapse:collapse;width:100%;margin:1.4rem 0;font-size:.95rem}article th,article td{text-align:left;vertical-align:top;border-bottom:1px solid var(--rule);padding:.55rem .7rem}article thead th{border-bottom:2px solid var(--ink);font-weight:700}article tbody tr:nth-child(2n){background:light-dark(#f7f5f0,#1a1917)}.footnotes{overflow-wrap:anywhere}.footnotes-details>summary{cursor:pointer;padding:.5rem 0;list-style:none}.footnotes-details>summary::-webkit-details-marker{display:none}.footnotes-summary-label{font-size:1.15rem;font-weight:700}.footnotes-summary-label:before{content:"▸ ";color:var(--muted);font-weight:400}.footnotes-details[open]>summary .footnotes-summary-label:before{content:"▾ "}.footnotes-summary-count{color:var(--muted);margin-left:.5rem;font-size:.82rem}.footnotes li:target{background:light-dark(#fff8ec,#18150f)}a[data-footnote-ref]:before{content:"["}a[data-footnote-ref]:after{content:"]"}.fn-group{white-space:nowrap}blockquote{border-left:3px solid var(--rule);color:light-dark(#444,#b0b0b0);margin:1.4rem 0;padding:.2rem 0 .2rem 1.1rem}.callout{border-left:4px solid;border-radius:0 6px 6px 0;margin:1.6rem 0;padding:.8rem 1.15rem .9rem}.callout>:last-child{margin-bottom:0}.callout-label{letter-spacing:.14em;margin:0 0 .45rem;font-size:.72rem;font-weight:700}.callout p{margin:.6rem 0 0}.callout p:first-of-type{margin-top:0}.callout-intro{background:light-dark(#f7f4ea,#1c1b16);border-color:light-dark(#cfc4a2,#7b735a)}.callout-intro .callout-label{color:light-dark(#8a7a4a,#a89767)}.callout-toi{background:light-dark(#f0f5ec,#1a1c18);border-color:light-dark(#8fae7e,#6d8b5d)}.callout-toi .callout-label{color:light-dark(#4c6d3f,#91b483)}.callout-yoten{background:light-dark(#eef2fb,#1b1d21);border-color:light-dark(#5b8def,#5688e9)}.callout-yoten .callout-label{color:light-dark(#1a4f8b,#8db8f0)}hr{border:none;border-top:1px solid var(--rule);margin:2.4rem 0}footer.site{border-top:1px solid var(--rule);color:var(--muted);margin-top:3rem;padding:1.5rem 0 3rem;font-size:.82rem}.tags{border-top:1px solid var(--rule);margin-top:2.2rem;padding-top:1rem}.tags a{color:var(--muted);margin-right:.9rem;font-size:.85rem;text-decoration:none;display:inline-block}.tags a:hover{color:var(--link)}.subscribe{margin:0 0 1rem}.subscribe label{color:var(--muted);margin-bottom:.4rem;font-size:.85rem;display:block}.subscribe-row{gap:.5rem;max-width:26rem;display:flex}.subscribe input{border:1px solid var(--rule);font:inherit;border-radius:4px;flex:1;padding:.5rem .6rem}.subscribe button{border:1px solid var(--ink);background:var(--ink);color:var(--bg);font:inherit;cursor:pointer;border-radius:4px;padding:.5rem .9rem}.subscribe button:hover{opacity:.85}section>h2{color:var(--muted);border-bottom:1px solid var(--rule);margin-bottom:1.2rem;padding-bottom:.3rem;font-size:1.05rem}.shelf{margin-bottom:2.5rem}.shelf-head{border-bottom:1px solid var(--rule);justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:1rem;padding-bottom:.3rem;display:flex}.shelf-head h2{color:var(--muted);margin:0;font-size:1.05rem}.see-all-inline{color:var(--muted);white-space:nowrap;font-size:.85rem;text-decoration:none}.see-all-inline:hover{color:var(--link);text-decoration:underline}.shelf-body{position:relative}.shelf-body[data-fade-l]:before,.shelf-body[data-fade-r]:after{content:"";z-index:1;pointer-events:none;width:3.25rem;position:absolute;top:.2rem;bottom:.6rem}.shelf-body[data-fade-l]:before{background:linear-gradient(to right, var(--bg), #fbfbf900);background:linear-gradient(to right, var(--bg), light-dark(#fbfbf900,#14141300));left:0}.shelf-body[data-fade-r]:after{background:linear-gradient(to left, var(--bg), #fbfbf900);background:linear-gradient(to left, var(--bg), light-dark(#fbfbf900,#14141300));right:0}.h-scroll{scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;gap:.7rem;padding:.2rem 0 .5rem;display:flex;overflow-x:auto}.h-scroll .card{scroll-snap-align:start;border:1px solid var(--rule);width:215px;color:var(--ink);background:light-dark(#fff,#1e2024);border-radius:8px;flex-direction:column;flex:none;gap:.25rem;padding:.6rem .75rem;text-decoration:none;transition:border-color .15s,box-shadow .15s;display:flex}.h-scroll .card:hover{border-color:light-dark(#c9c9c0,#6f6f69);box-shadow:0 2px 10px #0000000d}.card .card-title{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.82rem;font-weight:650;line-height:1.5;display:-webkit-box;overflow:hidden}.card:hover .card-title{text-decoration:underline}.card .card-thumb{aspect-ratio:960/504;object-fit:cover;border-bottom:1px solid var(--rule);border-radius:7px 7px 0 0;width:calc(100% + 1.5rem);margin:-.6rem -.75rem .3rem;display:block}.card .card-meta{color:var(--muted);font-size:.7rem}.card .card-cta{color:var(--link);margin-top:auto;padding-top:.25rem;font-size:.75rem}.card-series .card-title{font-size:.88rem}.card-series{position:relative}.card-series .card-link{color:inherit;text-decoration:none}.card-series .card-link:after{content:"";position:absolute;inset:0}.card-series .card-cta{z-index:1;width:fit-content;text-decoration:none;position:relative}.card-series .card-cta:hover{text-decoration:underline}.cfig{margin:1.6rem 0}.cfig figcaption{color:var(--muted);margin-top:.4rem;font-size:.78rem}.cfig-seq{container-type:inline-size}.cseq{--line:#b8c7e6;font-size:.95rem;line-height:1.6}.cseq-head,.cseq-steps{grid-template-columns:repeat(var(--n), minmax(0, 1fr));display:grid}.cseq-steps{background:linear-gradient(to right, transparent calc(50% - 1px), var(--line) calc(50% - 1px), var(--line) calc(50% + 1px), transparent calc(50% + 1px)) 0 0 / calc(100% / var(--n)) 100% repeat-x;margin:0;padding:.4rem 0 .6rem;list-style:none}.cseq-actor{text-align:center;padding-bottom:.3rem}.cseq-chip{background:light-dark(#fff,#1e2024);border:1px solid;border-radius:999px;padding:.1rem .55rem;font-size:.85rem;font-weight:650;display:inline-block}.cseq-c0{color:light-dark(#1f4f9a,#74a8fb);background:light-dark(#eef2fb,#1b1d21);border-color:light-dark(#5b8def,#5688e9)}.cseq-c1{color:light-dark(#7a4a12,#daa470);background:light-dark(#fbeee6,#231c18);border-color:light-dark(#d98a4f,#b96d30)}.cseq-c2{color:light-dark(#2f5a26,#8ab981);background:light-dark(#f0f5ec,#1a1c18);border-color:light-dark(#8fae7e,#6d8b5d)}.cseq-c3{color:light-dark(#5a3d7a,#b99adf);background:light-dark(#f4effa,#1e1c21);border-color:light-dark(#a58bc9,#9278b5)}.cseq-step{padding:0 calc(50% / var(--k));text-align:center;margin:.45rem 0;position:relative}.cseq-who{display:none}.cseq-msg{padding:0 .4rem .3rem;display:block}.cseq-num{color:var(--muted);font-weight:700}.cseq-line{border-top:2px solid light-dark(#5b8def,#5688e9);height:0;display:block;position:relative}.cseq-reply .cseq-line{border-top-style:dashed}.cseq-line:after{content:"";border:6px solid #0000;position:absolute;top:-7px}.cseq-r .cseq-line:after{border-left:10px solid light-dark(#5b8def,#5688e9);border-right:0;right:-2px}.cseq-l .cseq-line:after{border-left:0;border-right:10px solid light-dark(#5b8def,#5688e9);left:-2px}.cseq-ng .cseq-line{border-top-color:light-dark(#b03a2e,#f67a69)}.cseq-ng.cseq-r .cseq-line{margin-right:1.6rem}.cseq-ng.cseq-l .cseq-line{margin-left:1.6rem}.cseq-ng .cseq-line:after{display:none}.cseq-x{color:light-dark(#b03a2e,#f67a69);font-size:1.05rem;font-weight:800;line-height:1.5;position:absolute;top:-.8em}.cseq-r .cseq-x{right:-1.15rem}.cseq-l .cseq-x{left:-1.15rem}.cseq-self{padding:0}.cseq-self .cseq-msg{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:.2rem .6rem;display:inline-block}@container (width<=520px){.cseq-head{display:none}.cseq-steps{counter-reset:none;background:0 0;padding:0;display:block}.cseq-step{text-align:left;border:1px solid var(--rule);background:light-dark(#fff,#1e2024);border-radius:8px;margin:0 0 .5rem;padding:.55rem .7rem}.cseq-who{flex-wrap:wrap;align-items:center;gap:.3rem;margin-bottom:.25rem;display:flex}.cseq-to{color:light-dark(#5b8def,#5688e9);font-weight:700}.cseq-ng .cseq-to{color:light-dark(#b03a2e,#f67a69)}.cseq-tox{margin-left:.15rem;font-weight:800}.cseq-msg,.cseq-self .cseq-msg{background:0 0;border:0;padding:0;display:block}.cseq-line{display:none}}.cnest{flex-wrap:wrap;align-items:flex-start;gap:.6rem;font-size:.95rem;line-height:1.5;display:flex}.cnest-box{border-radius:8px;min-width:0}.cnest-frame{background:light-dark(#f3f6fd,#17181c);border:1.5px solid light-dark(#5b8def,#5688e9);flex:15rem;padding:.45rem .6rem .6rem}.cnest-frame .cnest-frame{background:light-dark(#fdf6ef,#1a1613);border-color:light-dark(#d98a4f,#b96d30);flex-basis:11rem;padding:.4rem .5rem .5rem}.cnest-frame .cnest-frame .cnest-frame{background:light-dark(#f3f8ef,#171915);border-color:light-dark(#8fae7e,#6d8b5d)}.cnest-frame .cnest-frame .cnest-frame .cnest-frame{background:light-dark(#f6f1fb,#1c1a1f);border-color:light-dark(#a58bc9,#9278b5)}.cnest-leaf{background:light-dark(#fff,#1e2024);border:1.5px solid light-dark(#6d6d6d,#a1a1a1);flex:0 auto;padding:.3rem .65rem}.cnest-head{flex-wrap:wrap;align-items:baseline;column-gap:.35rem;display:flex}.cnest-name{color:var(--ink);font-weight:700}.cnest-sub{color:var(--muted);flex-basis:100%;font-size:.85rem}.cnest-kids{flex-wrap:wrap;gap:.5rem;margin-top:.45rem;display:flex}.cdec{word-break:keep-all;overflow-wrap:anywhere;margin:0;padding:0;font-size:.92rem;line-height:1.45;list-style:none}.cdec-row{grid-template-columns:minmax(0,19rem) 3rem minmax(0,13rem);justify-content:center;display:grid}.cfig-decide{container-type:inline-size}.cdec-q{isolation:isolate;text-align:center;grid-area:1/1;justify-content:center;align-items:center;min-height:3.4rem;padding:.55rem 1.6rem;font-weight:650;display:flex;position:relative}@container (width<=520px){.cdec-row{grid-template-columns:minmax(0,1.3fr) 2.4rem minmax(0,1fr)}.cdec-q{padding:.5rem 1.3rem;font-size:.88rem}}.cdec-shape{z-index:-1;width:calc(100% - 2px);height:calc(100% - 2px);position:absolute;inset:1px;overflow:visible}.cdec-shape polygon{fill:light-dark(#f3f6fd,#17181c);stroke:light-dark(#5b8def,#5688e9);stroke-width:2px;stroke-linejoin:round}.cdec-yes{background:light-dark(#5b8def,#15377d);grid-area:1/2;align-self:center;height:2px;position:relative}.cdec-yes:after{content:"";border:6px solid #0000;border-left:9px solid light-dark(#5b8def,#5688e9);border-right:0;position:absolute;top:-5px;right:-2px}.cdec-yes .cdec-lab{text-align:center;position:absolute;bottom:.25rem;left:0;right:0}.cdec-lab{color:var(--muted);font-size:.8rem;font-weight:700}.cdec-out{grid-area:1/3;place-self:center start}.cdec-no{background:light-dark(#5b8def,#15377d);grid-area:2/1;justify-self:center;width:2px;height:2.1rem;margin-bottom:4px;position:relative}.cdec-no:after{content:"";border:6px solid #0000;border-top:9px solid light-dark(#5b8def,#5688e9);border-bottom:0;position:absolute;bottom:-6px;left:-5px}.cdec-no .cdec-lab{white-space:nowrap;position:absolute;top:.45rem;left:.45rem}.cdec-last .cdec-out{grid-area:1/1;justify-self:center}.cdec-term{text-align:center;background:light-dark(#fff,#1e2024);border:1.5px solid light-dark(#6d6d6d,#a1a1a1);border-radius:1.1rem;flex-direction:column;align-items:center;padding:.3rem .85rem;display:inline-flex}.cdec-term b{font-weight:800}.cdec-term span{color:var(--ink);font-size:.85rem}.cdec-ok{color:light-dark(#2f7a3a,#6fb976);background:light-dark(#eef7ee,#171c18);border-color:light-dark(#5f9f5f,#327134)}.cdec-ng{color:light-dark(#b03a2e,#f67a69);background:light-dark(#fbeeec,#221c1b);border-color:light-dark(#c9675c,#d37064)}article figure>svg{margin-inline:auto;display:block}.shelf-tools{align-items:center;gap:.5rem;margin-left:auto;display:flex}.h-nav{border:1px solid var(--rule);width:1.8rem;height:1.8rem;color:var(--ink);cursor:pointer;background:light-dark(#fff,#1e2024);border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:.95rem;line-height:1;display:inline-flex}.h-nav[hidden]{display:none}.h-nav:hover{border-color:light-dark(#c9c9c0,#6f6f69)}.h-nav[data-off]{opacity:.25;pointer-events:none}@media (hover:none){.h-nav{display:none}}.series-intro{color:var(--muted);margin:0 0 2rem}.series-block{margin-bottom:2.4rem}.series-block>h2{color:var(--ink);border-bottom:1px solid var(--rule);margin-bottom:.9rem;padding-bottom:.35rem;font-size:1.2rem}.series-subtitle{color:var(--muted);margin:-.5rem 0 .8rem;font-size:.95rem}.series-block>h2 a{color:var(--ink);text-decoration:none}.series-block>h2 a:hover{text-decoration:underline}.series-block .series-count{color:var(--muted);margin-left:.6rem;font-size:.75rem;font-weight:400}.episodes{margin:0;padding:0;list-style:none}.episodes li{border-bottom:1px dashed var(--rule);align-items:baseline;gap:.7rem;padding:.4rem 0;display:flex}.episodes li:last-child{border-bottom:none}.episodes a{align-items:baseline;gap:.7rem;min-width:0;text-decoration:none;display:flex}.episodes a:hover .ep-title{text-decoration:underline}.episodes .ep-no{color:var(--muted);white-space:nowrap;font-size:.8rem}.episodes .ep-title{color:var(--link)}.episodes .ep-date{color:var(--muted);white-space:nowrap;margin-left:auto;font-size:.78rem}.muted{color:var(--muted)}article details{border:1px solid var(--rule);background:light-dark(#f7f5f0,#1a1917);border-radius:6px;margin:1.6rem 0;padding:0 1.25rem}article summary{cursor:pointer;color:light-dark(#5b2c83,#c3a3ea);padding:.75rem 0;font-weight:600}article summary:hover{color:var(--ink)}article details[open]{padding-bottom:1rem}article details[open] summary{border-bottom:1px solid var(--rule);margin-bottom:.8rem}article .details-close{border:none;border-top:1px dashed var(--rule);width:100%;color:var(--muted);font:inherit;cursor:pointer;text-align:center;background:0 0;margin:1rem 0 0;padding:.4rem 0;font-size:.85rem;display:block}article .details-close:hover{color:light-dark(#5b2c83,#c3a3ea)}.toc-side{display:none}@media (width>=1280px){.doc-toc{display:none}.toc-side{top:var(--side-top,6.5rem);width:13rem;max-height:calc(100vh - var(--side-top,6.5rem) - 2.5rem);border-left:2px solid var(--rule);padding:.1rem 0 .1rem .9rem;font-size:.82rem;line-height:1.6;display:block;position:fixed;left:calc(50% + 22.5rem);overflow-y:auto}.toc-side-title{letter-spacing:.06em;color:var(--muted);margin:0 0 .55rem;font-size:.75rem;font-weight:700}.toc-side ol{margin:0;padding:0;list-style:none}.toc-side li{margin:0 0 .5rem}.toc-side a{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;text-decoration:none;display:-webkit-box;overflow:hidden}.toc-side a:hover{color:var(--ink);text-decoration:underline}.toc-side a[aria-current=true]{color:var(--ink);font-weight:700}}@media (width>=1280px) and (prefers-reduced-motion:reduce){.toc-side{scroll-behavior:auto}}.intro-block,.model-example{background:light-dark(#fff,#1e2024);border:1px solid light-dark(#e3d3b5,#594e39);border-top:3px solid light-dark(#a9651b,#cf8845);border-radius:4px 4px 10px 10px;margin:2.2rem 0;padding:1.3rem 1.15rem 1.1rem;position:relative}.block-label{letter-spacing:.14em;color:#fff;background:light-dark(#a9651b,#693700);border-radius:4px;padding:.05rem .55rem;font-size:.72rem;font-weight:700;line-height:1.6;position:absolute;top:-.78rem;left:.9rem}.intro-block>.callout{background:0 0;border:none;border-radius:0;margin:0;padding:.75rem 0}.intro-block>.callout+.callout{border-top:1px dashed light-dark(#e3d3b5,#594e39)}.intro-block>.callout .callout-label{color:light-dark(#8a6d2c,#b89a5a);letter-spacing:.14em}.intro-block>:last-child{margin-bottom:0;padding-bottom:0}.model-example>h2{margin-top:.2rem}.model-example>:last-child{margin-bottom:0}.model-example-note{color:light-dark(#8a7e6d,#a09382);margin:-.4rem 0 .9rem;font-size:.75rem;line-height:1.5}.ctable{margin:1.4rem 0;container-type:inline-size}.ctable figcaption{color:var(--muted);margin-top:.4rem;font-size:.78rem}.table-scroll{-webkit-overflow-scrolling:touch;background:linear-gradient(to left, var(--bg) 30%, transparent) right / 2.5rem 100% no-repeat local, radial-gradient(farthest-side at 100% 50%, #00000029, transparent) right / .9rem 100% no-repeat scroll;background:linear-gradient(to left, var(--bg) 30%, transparent) right / 2.5rem 100% no-repeat local, radial-gradient(farthest-side at 100% 50%, light-dark(#00000029,#4d4d4d29), transparent) right / .9rem 100% no-repeat scroll;overflow-x:auto}.table-scroll>table{margin:0}.table-scroll:focus-visible{outline:2px solid var(--link);outline-offset:2px}article .cell-short{white-space:nowrap}.ctable th,.ctable td{word-break:keep-all;overflow-wrap:break-word}.ctable td.cell-long{word-break:normal}.ctable-compare .num{text-align:right;font-variant-numeric:tabular-nums}@media (width<=600px){article table{font-size:.88rem}article th,article td{padding:.5rem .45rem}.model-example .ctable{margin-left:-.9rem;margin-right:-.9rem}}@container (width<=520px){.ctable-compare tr>:first-child{z-index:1;background:var(--bg);box-shadow:1px 0 0 var(--rule);position:sticky;left:0}.ctable-compare tbody tr:nth-child(2n)>:first-child{background:light-dark(#f7f5f0,#1a1917)}.ctable-items .table-scroll{background:0 0;overflow:visible}.ctable-items table,.ctable-items tbody,.ctable-items tr,.ctable-items td,.ctable-items th{width:auto;display:block}.ctable-items thead{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.ctable-items tbody tr{border:1px solid var(--rule);background:light-dark(#fff,#1e2024);border-radius:8px;margin:0 0 .5rem;padding:.55rem .7rem}.ctable-items tbody tr:nth-child(2n){background:light-dark(#fff,#1e2024)}.ctable-items tbody tr>*{white-space:normal;border:0;padding:0}.ctable-items tbody tr>:first-child{margin-bottom:.25rem;font-weight:700}.ctable-items tbody tr>*+*{margin-top:.3rem}.ctable-items td[data-label]:before{content:attr(data-label);color:var(--muted);font-size:.78rem;font-weight:650;display:block}.ctable-items.ctable-cols-2 td[data-label]:before{content:none}}.sec-help{vertical-align:.08em;letter-spacing:0;color:light-dark(#8a7a4a,#a89767);cursor:pointer;background:light-dark(#fff,#1e2024);border:1px solid light-dark(#cdbb94,#81704b);border-radius:50%;justify-content:center;align-items:center;width:1.05rem;height:1.05rem;margin-left:.4rem;padding:0;font:700 .66rem/1 system-ui,sans-serif;display:inline-flex;position:relative}.sec-help:before{content:"";position:absolute;inset:-.55rem}.sec-help:hover,.sec-help:focus-visible{color:#fff;background:light-dark(#a9651b,#693700);border-color:light-dark(#a9651b,#cf8845)}.block-label .sec-help{color:light-dark(#a9651b,#cf8845);border-color:light-dark(#fff,#3a3d44)}.block-label .sec-help:hover,.block-label .sec-help:focus-visible{color:light-dark(#a9651b,#cf8845);background:light-dark(#fde9cc,#2b2112)}.footnotes-summary .sec-help{vertical-align:.2em}.toc-count{color:var(--muted);margin-left:.35em;font-size:.85em;font-weight:400}.toc-tag{letter-spacing:.12em;color:light-dark(#a9651b,#cf8845);font-size:.7rem;font-weight:700;line-height:1.5;display:block}.toc-end .toc-tag{display:inline}.toc-special .toc-text{display:block}li.toc-end,li.toc-sep{border-top:1px dashed light-dark(#e3d3b5,#594e39);padding-top:.55rem;margin-top:.7rem!important}.toc-side li.toc-special a,.toc-side li.toc-end a{display:block}.toc-side li.toc-special .toc-text{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}pre.astro-code{tab-size:2;border:1px solid light-dark(#e3dccd,#33353c);border-radius:8px;margin:1.3rem 0;padding:.9rem 1.1rem;font-size:.88rem;line-height:1.7}pre.astro-code,code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,DejaVu Sans Mono,Liberation Mono,monospace}:not(pre)>code{overflow-wrap:anywhere;background:light-dark(#efebe2,#2a2b31);border-radius:4px;padding:.12em .38em;font-size:.88em}@media (prefers-color-scheme:dark){pre.astro-code,pre.astro-code span{color:var(--shiki-dark)!important;background-color:var(--shiki-dark-bg)!important;font-style:var(--shiki-dark-font-style)!important;font-weight:var(--shiki-dark-font-weight)!important}}.fn-popover{z-index:60;color:light-dark(#2a2622,#c6c1bc);opacity:0;pointer-events:none;background:light-dark(#fffdf8,#12110f);border:1px solid light-dark(#d8cdb8,#5b5445);border-radius:8px;max-width:min(360px,92vw);padding:.65rem .8rem;font-size:.82rem;line-height:1.65;transition:opacity .12s,transform .12s;position:absolute;transform:translateY(4px);box-shadow:0 6px 24px light-dark(#3c280a29,#00000029)}.fn-popover.fn-show{opacity:1;pointer-events:auto;transform:translateY(0)}.fn-popover p{margin:0}.fn-popover a{word-break:break-all}.fn-popover:after{content:"";left:var(--fn-arrow-x,50%);background:light-dark(#fffdf8,#12110f);width:10px;height:10px;margin-left:-5px;position:absolute}.fn-popover[data-place=top]:after{border-bottom:1px solid light-dark(#d8cdb8,#5b5445);border-right:1px solid light-dark(#d8cdb8,#5b5445);bottom:-6px;transform:rotate(45deg)}.fn-popover[data-place=bottom]:after{border-top:1px solid light-dark(#d8cdb8,#5b5445);border-left:1px solid light-dark(#d8cdb8,#5b5445);top:-6px;transform:rotate(-45deg)}@media (prefers-reduced-motion:reduce){.fn-popover{transition:none}}