:root{--washi: #fdfbf7;--kinari: #f2ede2;--sumi: #1f1d1a;--hai: #5f5a51;--keisen: #e0d9cb;--ai: #22406a;--ai-deep: #182e4c;--ai-pale: #e8edf4;--ai-light: #9ab0cc;--kohaku: #8a5326;--bg: var(--washi);--bg-alt: var(--kinari);--text: var(--sumi);--text-soft: var(--hai);--rule: var(--keisen);--accent: var(--ai);--font-display: "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Yu Mincho", "YuMincho", "Noto Serif JP", Georgia, "Times New Roman", serif;--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic Medium", "YuGothic", "Yu Gothic", Meiryo, Roboto, Helvetica, Arial, sans-serif;--step-eyebrow: .75rem;--step-small: .875rem;--step-body: 1.0625rem;--step-lead: clamp(1.125rem, 1.05rem + .35vw, 1.3125rem);--step-h3: clamp(1.125rem, 1.04rem + .42vw, 1.375rem);--step-h2: clamp(1.5rem, 1.24rem + 1.3vw, 2.25rem);--step-h1: clamp(1.875rem, 1.45rem + 2.1vw, 3rem);--step-hero: clamp(2.125rem, 1.4rem + 3.4vw, 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