:root{color-scheme:dark;--ground:#22221f;--ground-2:#2a2a26;--rule:#3b3b36;--rule-strong:#57574f;--paper:#efe7d5;--paper-2:#d6cfbd;--paper-3:#a39d8c;--shu:#c9482f;--shu-soft:#c9482f59;--ok:#8fbf9f;--err:#e0715a;--display:"Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;--body:"Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", sans-serif;--mono:"IBM Plex Mono", ui-monospace, Menlo, monospace;--measure:36em;--wrap:960px;--gutter:230px}html[lang=en]{--display:"Newsreader", "Iowan Old Style", Georgia, serif;--body:"Instrument Sans", "Helvetica Neue", Arial, sans-serif;--measure:34em;--gutter:220px}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--ground);color:var(--paper);font-family:var(--body);-webkit-font-smoothing:antialiased;font-feature-settings:"palt" 1;margin:0;font-size:16px;line-height:2}html[lang=en] body{font-feature-settings:normal;font-size:17px;line-height:1.65}h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;font-weight:600;line-height:1.5}html[lang=en] :is(h1,h2,h3){letter-spacing:-.01em;font-weight:500;line-height:1.15}p{margin:0}a{color:inherit}img,svg{max-width:100%;display:block}[hidden]{display:none!important}button,input,select,textarea{font:inherit;color:inherit}::selection{background:var(--shu-soft)}:focus-visible{outline:2px solid var(--shu);outline-offset:3px}.wrap{width:min(var(--wrap), 100% - 3rem);margin-inline:auto}.chapter{border-top:1px solid var(--rule);grid-template-columns:var(--gutter) minmax(0, 1fr);gap:3rem;padding:4.5rem 0;display:grid}.chapter-no{font-family:var(--display);color:var(--shu);letter-spacing:.2em;font-size:1rem}html[lang=en] .chapter-no{letter-spacing:.18em;text-transform:uppercase;font-size:.78rem}.chapter-no b{color:var(--paper);letter-spacing:.04em;margin-top:.4rem;font-size:1.4rem;font-weight:600;line-height:1.55;display:block}html[lang=en] .chapter-no b{letter-spacing:-.01em;text-transform:none;margin-top:.5rem;font-size:1.85rem;font-weight:500;line-height:1.15}.chapter-body{gap:1.4rem;min-width:0;display:grid}.chapter-body p{color:var(--paper-2)}.chapter-body p strong{color:var(--paper);font-weight:500}.lead{font-family:var(--display);color:var(--paper);font-size:1.25rem;line-height:1.8}html[lang=en] .lead{font-size:1.35rem;line-height:1.4}html[lang=en] .lead.dropcap:first-letter{float:left;color:var(--shu);padding:.08em .12em 0 0;font-size:3.4em;font-weight:400;line-height:.8}.shu{color:var(--shu)}.link{border-bottom:2px solid var(--shu);padding-bottom:.1em;font-weight:500;text-decoration:none}.link:hover{color:var(--shu)}.quiet{color:var(--paper-3);text-decoration:none}.quiet:hover{color:var(--paper)}.small{font-size:.88rem}.muted{color:var(--paper-3)}.kicker{letter-spacing:.16em;text-transform:uppercase;color:var(--shu);font-size:.72rem;font-weight:600}.matrix-wrap{overflow-x:auto}.matrix th:not(:first-child),.matrix td:not(:first-child){text-align:center;white-space:nowrap;width:7.5em}.matrix th:first-child{width:auto}.matrix .group th{border-bottom:1px solid var(--rule);color:var(--shu);font-family:var(--display);letter-spacing:.1em;text-align:left;padding-top:1.1rem;font-size:.85rem}html[lang=en] .matrix .group th{letter-spacing:.06em}.matrix td{color:var(--paper-2)}.matrix td:first-child{color:var(--paper)}.matrix .yes{color:var(--paper);font-size:1.05rem}.matrix .no{color:var(--paper-3)}.matrix .pro-col{background:#c9482f0f}table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:.92rem}th,td{text-align:left;border-bottom:1px dotted var(--rule-strong);vertical-align:top;padding:.5rem 0}th{color:var(--paper-3);letter-spacing:.06em;font-size:.8rem;font-weight:500}.qa{margin:0}.qa dt{font-family:var(--display);margin-top:1.4rem;font-size:1.05rem;font-weight:600;line-height:1.6}html[lang=en] .qa dt{font-size:1.2rem;font-weight:500;line-height:1.3}.qa dd{color:var(--paper-2);margin:.3rem 0 0 2.2em;font-size:.93rem}html[lang=en] .qa dd{margin-left:1.6em}@media (width<=760px){.chapter{grid-template-columns:1fr;gap:1.2rem;padding:3rem 0}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.langs{border-top:1px solid var(--rule);color:var(--paper);grid-template-columns:repeat(4,minmax(0,1fr));gap:.45rem 1.2rem;margin:.4rem 0 0;padding:1rem 0 .2rem;font-size:.9rem;list-style:none;display:grid}.langs li{padding-left:.9rem;position:relative}.langs li:before{content:"";background:var(--rule-strong);border-radius:50%;width:5px;height:5px;position:absolute;top:.55em;left:0}.langs li.builtin:before{background:var(--shu)}.langs-note{margin-top:.6rem}@media (width<=760px){.langs{grid-template-columns:repeat(2,minmax(0,1fr))}}.top[data-astro-cid-nen7h5rs]{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.5rem;padding:1.6rem 0 1.2rem;display:flex}.wordmark[data-astro-cid-nen7h5rs]{align-items:center;gap:.9rem;text-decoration:none;display:inline-flex}.wordmark[data-astro-cid-nen7h5rs] img[data-astro-cid-nen7h5rs]{width:auto;height:42px}.wordmark[data-astro-cid-nen7h5rs] small[data-astro-cid-nen7h5rs]{font-family:var(--body);color:var(--paper-3);letter-spacing:.12em;padding-top:.2rem;font-size:.72rem;font-weight:400}html[lang=en] .wordmark[data-astro-cid-nen7h5rs] small[data-astro-cid-nen7h5rs]{font-weight:500}nav[data-astro-cid-nen7h5rs]{flex-wrap:wrap;gap:1.8rem;display:flex}nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{color:var(--paper-2);letter-spacing:.05em;font-size:.88rem;text-decoration:none}nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover,nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs].current{color:var(--paper)}nav[data-astro-cid-nen7h5rs] .switch[data-astro-cid-nen7h5rs]{color:var(--paper-3);border-left:1px solid var(--rule-strong);padding-left:1.4rem}@media (width<=600px){.wordmark[data-astro-cid-nen7h5rs] small[data-astro-cid-nen7h5rs]{display:none}nav[data-astro-cid-nen7h5rs]{gap:1.1rem}nav[data-astro-cid-nen7h5rs] .switch[data-astro-cid-nen7h5rs]{padding-left:1rem}}footer[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--rule);color:var(--paper-3);letter-spacing:.04em;gap:1rem;margin-top:2rem;padding:2.5rem 0 3rem;font-size:.8rem;display:grid}.row[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;justify-content:space-between;gap:.6rem 1.5rem;display:flex}nav[data-astro-cid-jo6i4kqk]{gap:1.4rem;display:flex}nav[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:var(--paper-2);text-decoration:none}nav[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--paper)}.fine[data-astro-cid-jo6i4kqk]{font-size:.74rem}.skip-link{z-index:1000;background:var(--paper);color:var(--ground);padding:.6rem 1rem;font-weight:600;position:absolute;top:-100px;left:1rem}.skip-link:focus{top:1rem}