:root{--paper:#f3f0e7;--ink:#0b0e17;--navy:#16264a;--cream:#e6e2d9;--body:#1b2a47;--sec:#5a6478;--ter:#8a8677;--rule:#dcd5c4;--surface:#e8e2d4;--gold-l:#8c6e2a;--gold-d:#d9c68c;--sakura:#d19ea8;--rikyu:#879e8c;--asagi:#73b2b8;--fuji:#9e91bd;--karekusa:#c9b06b;--usuzumi:#85858c;--mincho:var(--font-mincho), "Hiragino Mincho ProN", serif;--didone:var(--font-didone), serif;--mono:"SF Mono", Menlo, monospace;--page-max:1200px;--page-pad:clamp(24px, 5vw, 64px);--read-max:680px}body.flow{flex-direction:column;min-height:100dvh;display:flex}body.flow main{flex:1 0 auto}.read{box-sizing:content-box;max-width:var(--read-max);width:calc(100% - var(--page-pad) * 2);padding-inline:var(--page-pad);margin-inline:auto}body{--ground:var(--paper);--fg:var(--body);--fg-sec:var(--sec);--fg-ter:var(--ter);--line:var(--rule);--panel:var(--surface);--accent:var(--gold-l)}body.ink{--ground:var(--ink);--fg:var(--cream);--fg-sec:#b9bec9;--fg-ter:#6f7789;--line:#272c3a;--panel:#161a26;--accent:var(--gold-d)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--ground);color:var(--fg);font-family:var(--mincho);font-feature-settings:"palt" 1;-webkit-font-smoothing:antialiased;margin:0;font-weight:400;line-height:1.95}h1,h2,h3,p,li{word-break:auto-phrase}h1,h2,h3{text-wrap:pretty}:lang(en) h1,:lang(en) h2,:lang(en) h3,:lang(en) p,:lang(en) li{word-break:normal}.nb{white-space:nowrap}.label{font-family:var(--mono);letter-spacing:.18em;color:var(--fg-sec);font-size:11px;line-height:1.6}img{max-width:100%}.js [data-reveal]{opacity:0;transition:opacity .7s,transform .7s cubic-bezier(.22,.61,.24,1);transform:translateY(14px)}.js [data-reveal].shown{opacity:1;transform:none}.js [data-reveal=late]{transition-delay:.12s}@media (prefers-reduced-motion:reduce){.js [data-reveal]{opacity:1;transition:none;transform:none}}svg[data-astro-cid-t53oq2mk]{display:block}header[data-astro-cid-fzpbxy5g]{border-bottom:1px solid var(--line)}.inner[data-astro-cid-fzpbxy5g]{box-sizing:content-box;max-width:var(--read-max);padding:20px var(--page-pad);justify-content:space-between;align-items:center;margin-inline:auto;display:flex}.lockup[data-astro-cid-fzpbxy5g]{color:var(--fg);align-items:center;text-decoration:none;display:flex}.wm[data-astro-cid-fzpbxy5g]{font-family:var(--didone);letter-spacing:.005em;font-size:19px;font-weight:400;line-height:1}nav[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]{color:var(--fg-sec);font-size:13px;text-decoration:none}nav[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]:hover{color:var(--fg)}footer[data-astro-cid-nns7i3if]{border-top:1px solid var(--line)}.inner[data-astro-cid-nns7i3if]{box-sizing:content-box;max-width:var(--read-max);padding:48px var(--page-pad) 72px;margin-inline:auto}.legal[data-astro-cid-nns7i3if]{flex-wrap:wrap;gap:12px 26px;margin:0 0 22px;display:flex}.legal[data-astro-cid-nns7i3if] a[data-astro-cid-nns7i3if]{color:var(--fg-sec);font-size:13px;text-decoration:none}.legal[data-astro-cid-nns7i3if] a[data-astro-cid-nns7i3if]:hover{color:var(--fg);text-decoration:underline}.prose{font-size:16px;line-height:1.95}.prose>:first-child{margin-top:0}.prose h2{letter-spacing:.02em;border-top:1px solid var(--line);color:var(--navy);-webkit-text-stroke:.35px currentColor;margin:64px 0 18px;padding-top:26px;font-size:24px;font-weight:500;line-height:1.6}.prose h2,.prose h3{word-break:keep-all;overflow-wrap:anywhere}:lang(en) .prose h2,:lang(en) .prose h3{word-break:normal;overflow-wrap:normal}.prose h3{letter-spacing:.03em;color:var(--navy);margin:38px 0 12px;padding-left:14px;font-size:18px;font-weight:500;line-height:1.8;position:relative}.prose h3:before{content:"";background:var(--accent);width:4px;height:1em;position:absolute;top:.5em;left:0}.prose p{margin:0 0 2em}.prose ul,.prose ol{margin:0 0 1.4em;padding-left:1.3em}.prose li{margin-bottom:.3em}.prose li::marker{color:var(--fg-ter)}.prose li>ul,.prose li>ol{margin:.3em 0 0}.prose a{color:var(--fg);text-decoration:underline;-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent);text-underline-offset:.25em;text-decoration-thickness:1px}.prose a:hover{text-decoration-thickness:2px}.prose strong{color:var(--navy);font-weight:500}.prose em{font-style:italic}.prose hr{border:0;border-top:1px solid var(--line);margin:44px 0}.prose blockquote{border-left:2px solid var(--line);color:var(--fg-sec);margin:0 0 1.4em;padding-left:1.1em}.prose blockquote>:last-child{margin-bottom:0}.prose figure{margin:32px 0}.prose figcaption{color:var(--fg-sec);margin-top:10px;font-size:13px;line-height:1.9}.prose img{max-width:100%;height:auto;display:block}.prose table{border-collapse:collapse;border:1px solid var(--line);width:100%;margin:0 0 1.6em;font-size:14px}.prose th,.prose td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:11px 16px;line-height:1.85}.prose tbody tr:last-child td{border-bottom:0}.prose thead th{background:var(--panel);color:var(--navy);white-space:nowrap;font-weight:500}.prose figure.table{margin:32px 0;overflow-x:auto}.prose figure.table table{margin:0}.prose figure.table figcaption{color:var(--fg-sec);margin-top:10px;font-size:12.5px;line-height:1.8}.prose code{font-family:var(--mono);background:var(--panel);padding:2px 5px;font-size:.88em}.prose pre{background:var(--panel);margin:0 0 1.6em;padding:16px 18px;font-size:13px;line-height:1.8;overflow-x:auto}.prose pre code{font-size:inherit;background:0 0;padding:0}.prose dl{margin:0 0 1.4em}.prose dt{color:var(--navy);margin:26px 0 6px;font-weight:500}.prose dd{margin:0}.prose.numbered>p:first-child{font-size:18px;line-height:1.9}.prose.numbered{counter-reset:sec}.prose.numbered>h2{counter-increment:sec;position:relative}.prose.numbered>h2:before{content:counter(sec, decimal-leading-zero);font-family:var(--didone);letter-spacing:.06em;color:var(--fg-ter);margin-bottom:12px;font-size:22px;line-height:1;display:block}@media (width>=900px){.prose.numbered>h2:before{width:52px;line-height:inherit;text-align:right;margin:0 24px 0 -76px;display:inline-block}}.prose .shots{flex-wrap:wrap;justify-content:center;gap:28px;margin:36px 0;display:flex}.prose .shots p{flex:0 300px;margin:0}.prose .shots img{width:100%;height:auto}.prose .shots figcaption{color:var(--fg-sec);flex-basis:100%;margin:0;font-size:12.5px;line-height:1.8}.prose .stats{background:var(--line);border:1px solid var(--line);grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1px;margin:34px 0;display:grid}.prose .stat{background:var(--panel);padding:20px 22px}.prose .stat .n{font-family:var(--didone);color:var(--navy);margin-bottom:9px;font-size:33px;line-height:1.1;display:block}.prose .stat .k{color:var(--fg-sec);font-size:13px;line-height:1.75;display:block}.prose .note{border-left:2px solid var(--accent);background:var(--panel);margin:32px 0;padding:18px 22px;font-size:15px}.prose .note .lbl{font-family:var(--mono);letter-spacing:.18em;color:var(--fg-sec);margin-bottom:9px;font-size:10px;display:block}.prose .note>:last-child{margin-bottom:0}.prose .footnotes{border-top:1px solid var(--line);color:var(--fg-sec);margin-top:56px;padding-top:22px;font-size:13px;line-height:1.95}.prose .footnotes h2{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.prose .footnotes:before{content:"注";letter-spacing:.04em;color:var(--navy);margin-bottom:12px;font-size:15px;font-weight:500;display:block}.prose .footnotes li{margin-bottom:.6em}.prose .footnotes p{margin:0;display:inline}.prose sup a{padding:0 .15em;text-decoration:none}.prose .data-footnote-backref{margin-left:.4em;text-decoration:none}:lang(en) .prose .footnotes:before{content:"Notes"}main[data-astro-cid-wehgqt5k]{padding-block:64px 140px}h1[data-astro-cid-wehgqt5k]{letter-spacing:.03em;color:var(--navy);-webkit-text-stroke:.35px currentColor;margin:0 0 8px;font-size:30px;font-weight:500;line-height:1.6}.updated[data-astro-cid-wehgqt5k]{font-family:var(--mono);letter-spacing:.1em;color:var(--ter);margin:0 0 56px;font-size:11px}article[data-astro-cid-wehgqt5k] .todo{background:var(--surface);border:1px solid var(--rule);font-family:var(--mono);color:var(--gold-l);padding:3px 8px;font-size:12px}