.logo[data-astro-cid-imj4vfzo]{display:inline-flex;align-items:center;gap:9px;line-height:1}.logo-mark[data-astro-cid-imj4vfzo]{flex:none;transform:rotate(-4deg)}.logo-word[data-astro-cid-imj4vfzo]{font-family:var(--font-display);font-size:1.62rem;font-weight:450;letter-spacing:-.035em;font-variation-settings:"opsz" 48;transform:translateY(-1px)}.footer[data-astro-cid-7fdv3abq]{margin-top:auto;background:var(--kinu);border-top:var(--hair);padding-block:var(--s-8) var(--s-6)}.grid[data-astro-cid-7fdv3abq]{display:grid;gap:var(--s-6)}@media(min-width:720px){.grid[data-astro-cid-7fdv3abq]{grid-template-columns:1.4fr 1fr 1fr}.brand[data-astro-cid-7fdv3abq]{grid-column:1 / -1}}@media(min-width:1080px){.grid[data-astro-cid-7fdv3abq]{grid-template-columns:1.6fr 1fr 1fr .8fr}.brand[data-astro-cid-7fdv3abq]{grid-column:auto}}.brand[data-astro-cid-7fdv3abq]{max-width:34ch}.promise[data-astro-cid-7fdv3abq]{margin-top:var(--s-4);font-family:var(--font-display);font-size:1.3rem;line-height:1.25;letter-spacing:-.01em}.brand[data-astro-cid-7fdv3abq] .small[data-astro-cid-7fdv3abq]{margin-top:var(--s-3)}h2[data-astro-cid-7fdv3abq]{margin-bottom:var(--s-3)}ul[data-astro-cid-7fdv3abq]{list-style:none;padding:0;display:grid;gap:var(--s-2);font-size:.93rem}ul[data-astro-cid-7fdv3abq] a[data-astro-cid-7fdv3abq],.linklike[data-astro-cid-7fdv3abq]{color:var(--sumi-2);text-decoration:none;font-size:.93rem}ul[data-astro-cid-7fdv3abq] a[data-astro-cid-7fdv3abq]:hover,.linklike[data-astro-cid-7fdv3abq]:hover{color:var(--sumi);text-decoration:underline}.base[data-astro-cid-7fdv3abq]{margin-top:var(--s-8);padding-top:var(--s-5);border-top:var(--hair-strong);display:grid;gap:var(--s-3)}@media(min-width:1080px){.base[data-astro-cid-7fdv3abq]{grid-template-columns:1fr auto;align-items:end}}.disclaimer[data-astro-cid-7fdv3abq]{font-size:var(--t-small);color:var(--hai);max-width:80ch}.credit[data-astro-cid-7fdv3abq]{font-size:var(--t-micro);color:var(--hai);letter-spacing:.04em}.theme[data-astro-cid-6n5zmev5]{display:grid;place-items:center;width:40px;height:40px;border-radius:var(--r-pill);color:var(--hai);transition:color var(--dur-1) var(--ease),background-color var(--dur-1) var(--ease)}.theme[data-astro-cid-6n5zmev5]:hover{color:var(--sumi);background:var(--kinu)}.theme[data-astro-cid-6n5zmev5][data-mode=light] svg[data-astro-cid-6n5zmev5] path[data-astro-cid-6n5zmev5]{opacity:0}.theme[data-astro-cid-6n5zmev5][data-mode=dark] svg[data-astro-cid-6n5zmev5] path[data-astro-cid-6n5zmev5]{d:path("M10 3.75a6.25 6.25 0 0 1 0 12.5a6.25 6.25 0 0 1 0 -12.5z")}.header[data-astro-cid-fa5vtw2v]{border-bottom:var(--hair);background:color-mix(in oklab,var(--washi) 88%,transparent)}.header-inner[data-astro-cid-fa5vtw2v]{display:flex;align-items:center;justify-content:space-between;height:68px}.home[data-astro-cid-fa5vtw2v]{text-decoration:none;color:var(--sumi);border-radius:var(--r-1)}ul[data-astro-cid-fa5vtw2v]{list-style:none;padding:0;display:flex;align-items:center;gap:var(--s-1)}nav[data-astro-cid-fa5vtw2v] a[data-astro-cid-fa5vtw2v]{display:inline-flex;align-items:center;min-height:40px;padding-inline:var(--s-3);font-size:.92rem;font-weight:500;color:var(--hai);text-decoration:none;border-radius:var(--r-pill);transition:color var(--dur-1) var(--ease)}nav[data-astro-cid-fa5vtw2v] a[data-astro-cid-fa5vtw2v]:hover,nav[data-astro-cid-fa5vtw2v] a[data-astro-cid-fa5vtw2v][aria-current=page]{color:var(--sumi)}@media(max-width:719px){.hide-sm[data-astro-cid-fa5vtw2v]{display:none}}:root{color-scheme:light;--washi: #f3f4f6;--washi-2: #eceef2;--kinu: #e7eaef;--kinu-2: #dde1e8;--sumi: #0e1526;--sumi-2: #253047;--hai: #4c5669;--hai-2: #7a8396;--line: #dde1e8;--line-strong: #b6bdca;--paper-card: #ffffff;--shu-500: #e5462b;--shu-600: #c5351b;--shu-700: #a02913;--shu-wash: #fbe8e3;--on-shu: #ffffff;--pass: var(--shu-600);--warn: #8a5300;--warn-wash: #fbf0dc;--fail: var(--sumi);--fail-wash: #e9ecf1;--info: #1f3a6b;--focus: #1f3a6b;--font-display: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif;--font-text: "Hanken Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "SF Mono", "Cascadia Mono", monospace;--font-jp: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;--t-display: clamp(2.6rem, 1.6rem + 4.6vw, 5.2rem);--t-h1: clamp(2.2rem, 1.5rem + 3vw, 3.9rem);--t-h2: clamp(1.55rem, 1.3rem + .9vw, 2rem);--t-h3: 1.0625rem;--t-body: 1.0625rem;--t-small: .9375rem;--t-micro: .8125rem;--t-data: .95rem;--t-data-xl: 2rem;--s-1: 4px;--s-2: 8px;--s-3: 12px;--s-4: 16px;--s-5: 24px;--s-6: 32px;--s-7: 48px;--s-8: 64px;--s-9: 96px;--s-10: 128px;--r-1: 4px;--r-2: 8px;--r-3: 14px;--r-pill: 999px;--hair: 1px solid var(--line);--hair-strong: 1px solid var(--line-strong);--shadow-float: 0 1px 0 var(--line), 0 18px 40px -18px rgb(14 21 38 / .25);--shadow-card: 0 1px 2px rgb(14 21 38 / .04), 0 8px 24px -12px rgb(14 21 38 / .1);--ease: cubic-bezier(.2, .7, .2, 1);--ease-out: cubic-bezier(.16, 1, .3, 1);--dur-1: .15s;--dur-2: .22s;--dur-draw: .42s;--z-sticky: 10;--z-popover: 20;--z-toast: 30;--content: 1240px;--gutter: 16px;--rail: 300px;--grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.09 0 0 0 0 0.08 0 0 0 0 0.06 0 0 0 .5 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");--grain-opacity: 0}@media(min-width:720px){:root{--gutter: 32px}}@media(min-width:1080px){:root{--gutter: 48px}}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--washi: #0b0e13;--washi-2: #0f131a;--kinu: #151b23;--kinu-2: #1c232d;--sumi: #eceff3;--sumi-2: #c9d0da;--hai: #a3adbb;--hai-2: #6f7987;--line: #232b36;--line-strong: #364252;--paper-card: #11161d;--shu-500: #ff5b3f;--shu-600: #ff5b3f;--shu-700: #ff7a62;--shu-wash: #2a1611;--on-shu: #0b0e13;--warn: #f0b456;--warn-wash: #2a2010;--fail-wash: #1a2029;--info: #9dbcff;--focus: #9dbcff;--shadow-float: 0 1px 0 var(--line), 0 18px 40px -18px rgb(0 0 0 / .65);--shadow-card: 0 1px 0 rgb(255 255 255 / .03) inset;--grain-opacity: 0}}:root[data-theme=dark]{color-scheme:dark;--washi: #0b0e13;--washi-2: #0f131a;--kinu: #151b23;--kinu-2: #1c232d;--sumi: #eceff3;--sumi-2: #c9d0da;--hai: #a3adbb;--hai-2: #6f7987;--line: #232b36;--line-strong: #364252;--paper-card: #11161d;--shu-500: #ff5b3f;--shu-600: #ff5b3f;--shu-700: #ff7a62;--shu-wash: #2a1611;--on-shu: #0b0e13;--warn: #f0b456;--warn-wash: #2a2010;--fail-wash: #1a2029;--info: #9dbcff;--focus: #9dbcff;--shadow-float: 0 1px 0 var(--line), 0 18px 40px -18px rgb(0 0 0 / .65);--shadow-card: 0 1px 0 rgb(255 255 255 / .03) inset;--grain-opacity: 0}@font-face{font-family:Newsreader;src:url(/fonts/newsreader-opsz.woff2) format("woff2");font-weight:200 800;font-style:normal;font-display:swap}@font-face{font-family:Newsreader;src:url(/fonts/newsreader-opsz-italic.woff2) format("woff2");font-weight:200 800;font-style:italic;font-display:swap}@font-face{font-family:Hanken Grotesk;src:url(/fonts/hanken-grotesk.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}@font-face{font-family:JetBrains Mono;src:url(/fonts/jetbrains-mono.woff2) format("woff2");font-weight:100 800;font-style:normal;font-display:swap}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{background-color:var(--washi);color:var(--sumi);font-family:var(--font-text);font-size:var(--t-body);line-height:1.6;font-feature-settings:"ss01";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;min-height:100dvh;display:flex;flex-direction:column;overflow-x:clip}body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;background-image:var(--grain);opacity:var(--grain-opacity);mix-blend-mode:multiply}:root[data-theme=dark] body:before{mix-blend-mode:screen}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) body:before{mix-blend-mode:screen}}body>*{position:relative;z-index:1}img,svg,canvas,video{display:block;max-width:100%}input,button,select,textarea{font:inherit;color:inherit}button{cursor:pointer;background:none;border:0;padding:0}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.2em;text-decoration-color:var(--line-strong);transition:text-decoration-color var(--dur-1) var(--ease),color var(--dur-1) var(--ease)}a:hover{text-decoration-color:currentColor}:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:2px}::selection{background:var(--shu-wash);color:var(--sumi)}h1,h2,h3,h4{font-weight:400;text-wrap:balance}p,li{text-wrap:pretty}.wrap{width:100%;max-width:calc(var(--content) + var(--gutter) * 2);margin-inline:auto;padding-inline:var(--gutter)}.prose{max-width:64ch}.prose>*+*{margin-top:1em}.prose h2{font-family:var(--font-display);font-size:var(--t-h2);line-height:1.15;letter-spacing:-.012em;margin-top:1.8em}.prose h3{font-size:var(--t-h3);font-weight:600;margin-top:1.6em}.prose ul,.prose ol{padding-left:1.2em}.prose li+li{margin-top:.4em}.prose li::marker{color:var(--hai-2)}.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.display{font-family:var(--font-display);font-optical-sizing:auto;font-weight:380;letter-spacing:-.028em;line-height:.98}.eyebrow{font-family:var(--font-text);font-size:var(--t-micro);font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--hai)}.mono,.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums slashed-zero;font-feature-settings:"zero","tnum"}.muted{color:var(--hai)}.small{font-size:var(--t-small)}.section{padding-block:var(--s-8);border-top:var(--hair)}.section-head{display:grid;gap:var(--s-3);margin-bottom:var(--s-6)}@media(min-width:1080px){.section-head{grid-template-columns:220px 1fr;align-items:baseline}}.section-index{font-family:var(--font-text);font-size:var(--t-micro);font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--hai)}.section-index b{color:var(--shu-600);font-weight:500}.section-title{font-family:var(--font-display);font-size:var(--t-h2);line-height:1.12;letter-spacing:-.015em}.btn{--h: 48px;display:inline-flex;align-items:center;justify-content:center;gap:var(--s-2);min-height:var(--h);padding-inline:var(--s-5);border-radius:var(--r-pill);font-weight:600;font-size:.95rem;letter-spacing:.005em;text-decoration:none;white-space:nowrap;transition:background-color var(--dur-1) var(--ease),border-color var(--dur-1) var(--ease),color var(--dur-1) var(--ease),transform var(--dur-1) var(--ease);-webkit-tap-highlight-color:transparent}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--shu-600);color:var(--on-shu)}.btn-primary:hover{background:var(--shu-700)}.btn-ink{background:var(--sumi);color:var(--washi)}.btn-ink:hover{background:var(--sumi-2)}.btn-line{border:var(--hair-strong);background:transparent}.btn-line:hover{border-color:var(--sumi)}.btn-quiet{padding-inline:var(--s-3);min-height:40px;color:var(--hai);font-weight:500}.btn-quiet:hover{color:var(--sumi)}.btn[disabled]{opacity:.4;pointer-events:none}.link-arrow{display:inline-flex;gap:.35em;align-items:baseline;font-weight:500;text-decoration:none;border-bottom:1px solid var(--line-strong);padding-bottom:1px}.link-arrow:hover{border-color:var(--sumi)}.draft-flag{display:inline-flex;align-items:center;gap:var(--s-2);font-family:var(--font-text);font-weight:600;font-size:var(--t-micro);letter-spacing:.06em;text-transform:uppercase;color:var(--warn);background:var(--warn-wash);border-radius:var(--r-pill);padding:4px 10px}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.skip[data-astro-cid-5hce7sga]{position:absolute;left:var(--s-4);top:-100px;z-index:var(--z-toast);background:var(--sumi);color:var(--washi);padding:var(--s-2) var(--s-4);border-radius:var(--r-pill);text-decoration:none}.skip[data-astro-cid-5hce7sga]:focus{top:var(--s-3)}