:root{--bg:#fafaf9;--surface:#fff;--surface-2:#f5f5f4;--text:#313131;--text-2:#6b6560;--text-3:#a8a29e;--border:#e7e5e4;--border-2:#d6d3d1;--accent:#0f766e;--accent-2:#0d9488;--accent-soft:#f0fdfa;--accent-border:#99f6e4;--gold:#d4a017;--silver:#8c8c8c;--bronze:#b5713f;--radius:10px;--radius-sm:6px;--shadow:0 1px 2px #1c19170a;--font:"Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, system-ui, sans-serif;--measure:700px;--wide:1040px}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;margin:0;font-size:.8125rem;line-height:1.65}img{max-width:100%;height:auto;display:block}a{color:var(--accent);text-decoration:none}a:hover{text-underline-offset:3px;text-decoration:underline}h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35}.container{width:min(100% - 2rem, var(--wide));margin-inline:auto}.container--narrow{width:min(100% - 2rem, var(--measure));margin-inline:auto}.prose{font-size:.8125rem;line-height:1.7}.prose>:first-child{margin-top:0}.prose h2{border-bottom:2px solid var(--border);margin:1.8rem 0 .7rem;padding-bottom:.35rem;font-size:1.375rem;position:relative}.prose h2:after{content:"";background:var(--accent);width:2.5rem;height:2px;position:absolute;bottom:-2px;left:0}.prose h3{border-left:3px solid var(--accent);margin:1.3rem 0 .5rem;padding-left:.6rem;font-size:1.0625rem}.prose h4{margin:1rem 0 .4rem;font-size:.9rem}.prose p{margin:0 0 .7rem}.prose ul,.prose ol{margin:0 0 .7rem;padding-left:1.3rem}.prose li{margin:.1rem 0}.prose li::marker{color:var(--accent)}.prose strong{font-weight:700}.prose mark{color:inherit;background:linear-gradient(#0000 60%,#fde68a 60%);padding:0 .1em;font-weight:700}.prose blockquote{background:var(--accent-soft);border:1px solid var(--accent-border);border-radius:var(--radius-sm);color:var(--text);margin:.9rem 0;padding:.6rem .85rem}.prose blockquote p:last-child{margin-bottom:0}.prose code{background:var(--surface-2);border-radius:4px;padding:.1em .4em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}.prose pre{background:var(--surface-2);border-radius:var(--radius-sm);padding:.9rem;overflow-x:auto}.prose pre code{background:0 0;padding:0}.prose img{border-radius:var(--radius-sm);margin:1.2rem auto}.prose hr{border:0;border-top:1px solid var(--border);margin:2rem 0}.prose .table-wrap{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);margin:.8rem 0;overflow-x:auto}.prose table{border-collapse:collapse;width:100%;min-width:460px;font-size:.8125rem;line-height:1.55}.prose th,.prose td{border-bottom:1px solid var(--border);text-align:left;vertical-align:top;padding:.4rem .7rem}.prose th{background:var(--surface-2);white-space:nowrap;font-weight:700}.prose tr:last-child td{border-bottom:0}.eyebrow{letter-spacing:.08em;color:var(--accent);text-transform:uppercase;font-size:.7rem;font-weight:700;display:inline-block}.muted{color:var(--text-2)}.small{font-size:.75rem}.tiny{font-size:.7rem}.section-title{margin-bottom:.7rem;font-size:1.1rem}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=700px){.prose h2{margin-top:1.5rem;font-size:1.2rem}.prose h3{font-size:1rem}}.header[data-astro-cid-nen7h5rs]{z-index:10;backdrop-filter:saturate(160%)blur(10px);border-bottom:1px solid var(--border);background:#fafaf9e0;position:sticky;top:0}.header__inner[data-astro-cid-nen7h5rs]{justify-content:space-between;align-items:center;gap:1.5rem;height:52px;display:flex}.brand[data-astro-cid-nen7h5rs]{color:var(--text);letter-spacing:.02em;align-items:center;gap:.6rem;font-size:1rem;font-weight:700;display:inline-flex}.brand[data-astro-cid-nen7h5rs]:hover{text-decoration:none}.brand__mark[data-astro-cid-nen7h5rs]{background:var(--accent);border-radius:3px;width:12px;height:12px;transform:rotate(45deg)}.nav[data-astro-cid-nen7h5rs]{-webkit-overflow-scrolling:touch;gap:.25rem;display:flex;overflow-x:auto}.nav__link[data-astro-cid-nen7h5rs]{white-space:nowrap;color:var(--text-2);border-radius:999px;padding:.3rem .7rem;font-size:.8125rem;font-weight:500}.nav__link[data-astro-cid-nen7h5rs]:hover,.nav__link[data-astro-cid-nen7h5rs].is-active{color:var(--accent);background:var(--accent-soft);text-decoration:none}.footer[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--border);background:var(--surface);margin-top:3rem;padding:2rem 0 1.5rem}.footer__grid[data-astro-cid-jo6i4kqk]{grid-template-columns:1.4fr 1fr;gap:1.5rem;margin-bottom:1.2rem;display:grid}.footer__brand[data-astro-cid-jo6i4kqk]{margin-bottom:.4rem;font-size:1.05rem;font-weight:700}.footer__links[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;align-content:start;gap:.5rem 1.5rem;font-size:.9rem;display:flex}.footer__links[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:var(--text-2)}.footer__note[data-astro-cid-jo6i4kqk]{margin:.25rem 0}.footer__copy[data-astro-cid-jo6i4kqk]{margin-top:1.5rem}@media (width<=640px){.footer__grid[data-astro-cid-jo6i4kqk]{grid-template-columns:1fr}}