:root{--bg: #121110;--bg-2: #1a1816;--bg-3: #232120;--line: #34302c;--paper: #f4f1ea;--muted: #a39b8d;--muted-2: #756d61;--gold: #d4a23a;--gold-soft: #c29c56;--gold-deep: #b3851f;--on-gold: #1a1610;--ink: var(--bg);--ink-soft: var(--bg-2);--paper-2: var(--bg-2);--coral: var(--gold);--coral-deep: var(--gold-deep);--indigo-200: var(--muted);--font-display: "Zen Kaku Gothic New", "Noto Sans JP", system-ui, sans-serif;--font-body: "Noto Sans JP", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;--step--1: clamp(.83rem, .8rem + .15vw, .9rem);--step-0: clamp(1rem, .96rem + .2vw, 1.08rem);--step-1: clamp(1.2rem, 1.12rem + .4vw, 1.45rem);--step-2: clamp(1.5rem, 1.35rem + .75vw, 2rem);--step-3: clamp(2rem, 1.7rem + 1.5vw, 3rem);--step-4: clamp(2.6rem, 2.1rem + 2.5vw, 4.25rem);--container: 1180px;--gutter: clamp(1.25rem, 5vw, 4rem);--section-y: clamp(4rem, 9vw, 8rem);--radius: 4px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}@media (prefers-reduced-motion: 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