.site-footer[data-astro-cid-nns7i3if]{padding-block:var(--space-8) var(--space-6)}.footer-inner[data-astro-cid-nns7i3if]{width:min(calc(100% - 3rem), var(--content-reading));justify-items:center;gap:var(--space-3);text-align:center;margin-inline:auto;display:grid}strong[data-astro-cid-nns7i3if]{letter-spacing:-.04em;font-size:1.25rem;font-weight:500}p[data-astro-cid-nns7i3if]{margin:var(--space-1) 0 0;color:var(--color-muted)}nav[data-astro-cid-nns7i3if]{margin-block:var(--space-4)}ul[data-astro-cid-nns7i3if]{justify-content:center;gap:var(--space-4);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}nav[data-astro-cid-nns7i3if] a[data-astro-cid-nns7i3if],span[data-astro-cid-nns7i3if]{color:var(--color-muted);font-size:.95rem}@media (width<=640px){.site-footer[data-astro-cid-nns7i3if]{padding-bottom:var(--space-5)}}.site-header[data-astro-cid-fzpbxy5g]{z-index:20;background:color-mix(in srgb, var(--color-bg) 96%, transparent);backdrop-filter:blur(14px);position:sticky;top:0}.header-inner[data-astro-cid-fzpbxy5g]{width:min(calc(100% - 3rem), var(--content-wide));min-height:var(--header-height);align-items:center;gap:var(--space-4);grid-template-columns:1fr auto 1fr;margin-inline:auto;display:grid}.brand[data-astro-cid-fzpbxy5g]{letter-spacing:-.04em;justify-self:start;font-size:1.25rem;font-weight:600;text-decoration:none}.nav-list[data-astro-cid-fzpbxy5g]{gap:var(--space-4);margin:0;padding:0;list-style:none;display:flex}.nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g],.header-cta[data-astro-cid-fzpbxy5g]{text-underline-offset:.25em;font-size:.95rem}.header-cta[data-astro-cid-fzpbxy5g]{border:1px solid var(--color-line);border-radius:var(--radius-pill);justify-self:end;padding:.55rem 1rem;font-weight:500;text-decoration:none}.header-cta[data-astro-cid-fzpbxy5g]:hover{border-color:var(--color-text)}.mobile-menu[data-astro-cid-fzpbxy5g]{display:none}@media (width<=760px){.header-inner[data-astro-cid-fzpbxy5g]{min-height:var(--header-height);grid-template-columns:1fr auto;position:relative}.desktop-nav[data-astro-cid-fzpbxy5g],.header-cta[data-astro-cid-fzpbxy5g]{display:none}.mobile-menu[data-astro-cid-fzpbxy5g]{justify-self:end;display:block}summary[data-astro-cid-fzpbxy5g]{border:1px solid var(--color-line);border-radius:var(--radius-pill);cursor:pointer;text-align:center;min-width:4.75rem;padding:.65rem 1rem;font-size:.95rem;list-style:none}summary[data-astro-cid-fzpbxy5g]::-webkit-details-marker{display:none}.mobile-menu[data-astro-cid-fzpbxy5g][open] summary[data-astro-cid-fzpbxy5g]{border-color:var(--color-text);background:var(--color-text);color:var(--color-bg)}.mobile-menu[data-astro-cid-fzpbxy5g] nav[data-astro-cid-fzpbxy5g]{padding:var(--space-4);border:1px solid var(--color-line);border-radius:var(--radius-card);background:var(--color-bg);position:absolute;top:calc(100% - .25rem);left:0;right:0}.mobile-menu[data-astro-cid-fzpbxy5g] ul[data-astro-cid-fzpbxy5g]{margin:0;padding:0;list-style:none;display:grid}.mobile-menu[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]{padding:var(--space-3) 0;border-bottom:1px solid var(--color-line);font-size:1.1rem;text-decoration:none;display:block}.mobile-menu[data-astro-cid-fzpbxy5g] li[data-astro-cid-fzpbxy5g]:last-child a[data-astro-cid-fzpbxy5g]{border-bottom:0}}:root{color-scheme:light;--color-bg:#fff;--color-text:#212121;--color-muted:#737373;--color-subtle:#f7f7f7;--color-line:#e1e1e1;--color-strong-line:#c7c7c7;--color-focus:#005fcc;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--content-wide:1120px;--content-reading:760px;--space-1:.5rem;--space-2:.75rem;--space-3:1rem;--space-4:1.5rem;--space-5:2.25rem;--space-6:3.5rem;--space-7:5.5rem;--space-8:8rem;--space-9:11rem;--radius-small:.75rem;--radius-card:1.5rem;--radius-pill:999px;--header-height:5.5rem}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:6rem}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);text-rendering:optimizelegibility;margin:0;font-size:1.0625rem;line-height:1.6}img,svg{max-width:100%;display:block}a{color:inherit;text-underline-offset:.2em;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--color-focus);outline-offset:4px}button,input,textarea,select{font:inherit}h1,h2,h3,p,figure{margin-top:0}h1,h2,h3{letter-spacing:-.045em;font-weight:500;line-height:1.08}h1{max-width:12ch;margin-bottom:var(--space-5);font-size:clamp(3.25rem,7vw,6rem)}h2{max-width:18ch;margin-bottom:var(--space-5);font-size:clamp(2.5rem,5vw,4.5rem)}h3{margin-bottom:var(--space-3);font-size:clamp(1.4rem,2vw,1.75rem)}p{margin-bottom:var(--space-3)}.skip-link{z-index:100;top:var(--space-3);left:var(--space-3);padding:var(--space-2) var(--space-3);background:var(--color-text);color:var(--color-bg);position:fixed;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}.container{width:min(calc(100% - 3rem), var(--content-wide));margin-inline:auto}.reading-width{max-width:var(--content-reading)}.section{padding-block:var(--space-9)}.section-label{margin-bottom:var(--space-5);color:var(--color-muted);letter-spacing:-.01em;font-size:.9rem}.section-intro{max-width:var(--content-reading);margin-bottom:var(--space-7);color:var(--color-muted);font-size:clamp(1.15rem,2vw,1.4rem);line-height:1.6}.button{border:1px solid var(--color-text);border-radius:var(--radius-pill);background:var(--color-text);min-height:3.75rem;color:var(--color-bg);justify-content:center;align-items:center;padding:.9rem 2rem;font-size:1.05rem;font-weight:500;line-height:1.2;text-decoration:none;transition:background .16s,color .16s,transform .16s;display:inline-flex}.button:hover{background:var(--color-bg);color:var(--color-text);text-decoration:none;transform:translateY(-1px)}.text-link{font-weight:600}.split{gap:var(--space-8);grid-template-columns:minmax(0,1fr) minmax(20rem,.85fr);align-items:start;display:grid}.ruled-list{padding:var(--space-5);border:1px solid var(--color-line);border-radius:var(--radius-card);margin:0;list-style:none}.ruled-list>li{padding-block:var(--space-4);border-bottom:1px solid var(--color-line)}.ruled-list>li:first-child{padding-top:0}.ruled-list>li:last-child{border-bottom:0;padding-bottom:0}.ruled-list strong{margin-bottom:var(--space-1);font-size:1.05rem;display:block}.muted{color:var(--color-muted)}@media (width<=760px){html{scroll-padding-top:8rem}.section{padding-block:var(--space-8)}.split{gap:var(--space-6);grid-template-columns:1fr}h1{font-size:clamp(2.75rem,12vw,4rem)}h2{font-size:clamp(2.3rem,10vw,3.4rem)}.container{width:min(calc(100% - 3rem), var(--content-wide))}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}