.site-footer[data-astro-cid-nns7i3if]{border-top:1px solid var(--color-border);color:#dce7e5;background:var(--color-header);padding-block:40px 24px}.footer-inner[data-astro-cid-nns7i3if],.footer-bottom[data-astro-cid-nns7i3if]{justify-content:space-between;gap:24px;display:flex}.footer-name[data-astro-cid-nns7i3if]{color:#fff;margin:0;font-size:1.15rem;font-weight:800}.footer-description[data-astro-cid-nns7i3if]{margin:4px 0 0;font-size:.85rem}.footer-links[data-astro-cid-nns7i3if]{gap:20px;margin:0;padding:0;list-style:none;display:flex}.footer-links[data-astro-cid-nns7i3if] a[data-astro-cid-nns7i3if]{color:#fff}.footer-bottom[data-astro-cid-nns7i3if]{color:#baccca;border-top:1px solid #fff3;margin-top:28px;padding-top:18px;font-size:.78rem}@media (width<=640px){.footer-inner[data-astro-cid-nns7i3if],.footer-bottom[data-astro-cid-nns7i3if]{display:block}.footer-links[data-astro-cid-nns7i3if]{margin-top:20px}.footer-bottom[data-astro-cid-nns7i3if] small[data-astro-cid-nns7i3if]{margin-top:6px;display:block}}.site-header[data-astro-cid-fzpbxy5g]{border-top:4px solid var(--color-accent);border-bottom:1px solid var(--color-border);background:#fff}.header-inner[data-astro-cid-fzpbxy5g]{justify-content:space-between;align-items:center;gap:22px;min-height:76px;display:flex;position:relative}.brand[data-astro-cid-fzpbxy5g]{color:var(--color-header);text-decoration:none}.brand-name[data-astro-cid-fzpbxy5g],.brand-tagline[data-astro-cid-fzpbxy5g]{display:block}.brand-name[data-astro-cid-fzpbxy5g]{letter-spacing:.04em;font-size:1.45rem;font-weight:800;line-height:1.3}.brand-tagline[data-astro-cid-fzpbxy5g]{color:var(--color-muted);margin-top:2px;font-size:.75rem}.nav-list[data-astro-cid-fzpbxy5g]{gap:22px;margin:0;padding:0;list-style:none;display:flex}.nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]{color:var(--color-text);font-size:.88rem;font-weight:700;text-decoration:none}.nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]:hover{color:var(--color-accent);text-decoration:underline}.mobile-nav[data-astro-cid-fzpbxy5g]{display:none}@media (width<=860px){.desktop-nav[data-astro-cid-fzpbxy5g]{display:none}.mobile-nav[data-astro-cid-fzpbxy5g]{display:block}.mobile-nav[data-astro-cid-fzpbxy5g] summary[data-astro-cid-fzpbxy5g]{border:1px solid var(--color-border);cursor:pointer;color:var(--color-text);background:#fff;border-radius:4px;padding:7px 11px;font-size:.84rem;font-weight:700;list-style-position:inside}.mobile-nav[data-astro-cid-fzpbxy5g] nav[data-astro-cid-fzpbxy5g]{z-index:20;border:1px solid var(--color-border);background:#fff;width:min(280px,100vw - 28px);padding:8px;position:absolute;top:calc(100% - 8px);right:0;box-shadow:0 10px 24px #14364224}.mobile-nav-list[data-astro-cid-fzpbxy5g]{margin:0;padding:0;list-style:none}.mobile-nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]{color:var(--color-text);padding:9px 10px;font-size:.9rem;font-weight:700;text-decoration:none;display:block}.mobile-nav-list[data-astro-cid-fzpbxy5g] a[data-astro-cid-fzpbxy5g]:hover{color:var(--color-accent);background:var(--color-surface);text-decoration:underline}}@media (width<=640px){.header-inner[data-astro-cid-fzpbxy5g]{gap:14px;min-height:72px}.brand-tagline[data-astro-cid-fzpbxy5g]{display:none}.brand-name[data-astro-cid-fzpbxy5g]{font-size:1.25rem}}:root{color-scheme:light;--color-text:#1d2a2f;--color-muted:#59676c;--color-border:#dce3e0;--color-surface:#f5f8f7;--color-accent:#236657;--color-accent-dark:#17483e;--color-header:#143642;--content-width:1080px;--article-width:720px;--font-sans:-apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", YuGothic, Meiryo, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--color-text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;background:#fff;margin:0;font-size:16px;line-height:1.8}a{color:var(--color-accent);text-underline-offset:.2em}a:hover{color:var(--color-accent-dark)}img,svg{max-width:100%}.container{width:min(calc(100% - 40px), var(--content-width));margin-inline:auto}.article-container{width:min(calc(100% - 40px), var(--article-width));margin-inline:auto}.skip-link{z-index:100;color:#fff;background:var(--color-header);padding:8px 14px;position:fixed;top:8px;left:8px;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.section{padding-block:56px}.section--tinted{background:var(--color-surface);border-block:1px solid var(--color-border)}.section-heading{margin:0 0 24px;font-size:clamp(1.45rem,3vw,1.9rem);line-height:1.4}.muted{color:var(--color-muted)}.button-link{border:1px solid var(--color-accent);color:#fff;background:var(--color-accent);border-radius:4px;padding:10px 18px;font-weight:700;text-decoration:none;display:inline-block}.button-link:hover{color:#fff;background:var(--color-accent-dark)}:focus-visible{outline-offset:3px;outline:3px solid #d88a1c}@media (width<=640px){.container,.article-container{width:min(calc(100% - 28px), var(--content-width))}.section{padding-block:40px}}