:root{--ink:#101012;--bg:#fff;--bg-alt:#f7f2e8;--fg:#141317;--muted:#56555f;--gold:#c9a24c;--gold-bright:#e6c66e;--gold-deep:#a2802f;--red:#c31f2c;--red-deep:#a5121e;--brand:#c9a24c;--brand-dark:#a2802f;--border:#ece5d5;--radius:14px;--maxw:1120px;--font:system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font);color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;line-height:1.7}a{color:var(--brand);text-decoration:none}a:hover{color:var(--red);text-decoration:underline}h1,h2,h3,h4{letter-spacing:-.01em;margin:0 0 .5em;line-height:1.25}h1{font-size:clamp(2rem,5vw,3rem)}h2{font-size:clamp(1.5rem,3.5vw,2.1rem)}p{margin:0 0 1em}main 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