:root{--bg: 244, 247, 250;--surface-alt: 247, 249, 252;--ink: 24, 39, 66;--ink-soft: 85, 99, 120;--accent: 184, 32, 41;--accent-soft: 239, 224, 226;--line: 216, 223, 231;--surface: 255, 255, 255;--shadow: 0 8px 24px rgba(24, 39, 66, .06);--radius: 14px;--font-body: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic Medium", "Yu Gothic", "Meiryo", sans-serif;--font-headline: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-body);margin:0;padding:0;background:linear-gradient(180deg,rgba(var(--surface-alt),1),rgba(var(--bg),1) 280px,rgba(var(--surface),1) 281px);color:rgb(var(--ink-soft));font-size:17px;line-height:1.8;letter-spacing:.01em}main{display:block}h1,h2,h3,h4,h5,h6{margin:0 0 .5rem;color:rgb(var(--ink));line-height:1.4;font-family:var(--font-headline);font-weight:700}h1{font-size:clamp(2.2rem,4vw,3.1rem);line-height:1.35}h2{font-size:clamp(1.6rem,3vw,2.2rem)}h3{font-size:clamp(1.25rem,2.2vw,1.6rem)}h4{font-size:1.1rem}h5{font-size:1rem}p,ul,ol{margin:0 0 1rem}a{color:rgb(var(--accent));text-decoration-thickness:1px;text-underline-offset:.14em}a:hover,strong,b{color:rgb(var(--ink))}.container{max-width:1180px;margin:0 auto;padding:0 1.5rem}table{width:100%;border-collapse:collapse}img{max-width:100%;height:auto;border-radius:10px}code{padding:2px 5px;background-color:rgba(var(--ink),.06);border-radius:4px}pre{padding:1.5em;border-radius:10px;background:rgb(var(--ink));color:rgb(var(--surface));overflow-x:auto}pre>code{all:unset}blockquote{margin:1.5rem 0;padding:1rem 1.1rem;border-left:3px solid rgb(var(--accent));background:rgba(var(--accent-soft),.65)}hr{border:none;border-top:1px solid 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0;color:rgb(var(--ink));text-decoration:none}.brand-mark[data-astro-cid-3ef6ksr2]{display:grid;place-items:center;width:2.5rem;height:2.5rem;border-radius:8px;background:rgb(var(--ink));color:rgb(var(--surface));font-size:.84rem;font-weight:700;letter-spacing:.04em}.brand-copy[data-astro-cid-3ef6ksr2]{display:grid;gap:.08rem}.brand-copy[data-astro-cid-3ef6ksr2] strong[data-astro-cid-3ef6ksr2]{font-size:1rem;font-weight:700}.brand-copy[data-astro-cid-3ef6ksr2] small[data-astro-cid-3ef6ksr2]{color:rgb(var(--ink-soft));font-size:.72rem}.internal-links[data-astro-cid-3ef6ksr2]{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.25rem .8rem}@media(max-width:820px){.site-header[data-astro-cid-3ef6ksr2]{padding:0 1rem}nav[data-astro-cid-3ef6ksr2]{padding:.15rem 0 .75rem;flex-direction:column;align-items:flex-start}}