:root{color-scheme:light dark;--font-sans:ui-rounded, "SF Pro Rounded", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Noto Sans CJK JP", "BIZ UDPGothic", Meiryo, system-ui, sans-serif;--table:#ece8e1;--table-centre:#f6f3ee;--card:#fffdf9;--surface-inset:#f3efe8;--ink:#1e1b2e;--on-ink:#fff;--muted:#5b6266;--muted-graphic:#7d8589;--accent:#2d46d6;--accent-text:#2d46d6;--tonal-bg:#e3e8fc;--streak:#d9620f;--streak-text:#a84a12;--gold:#f2b84b;--line:#1e1b2e14;--chip-border:#cfc9bf;--card-glyph:#d5d0c7;--stack-edge:#0000000f;--focus:#2d46d6;--bg-table:radial-gradient(ellipse 70% 70% at 50% 30%, var(--table-centre) 0%, var(--table) 100%);--shadow-stack:0 14px 36px #1e1b2e4d;--shadow-hover:0 20px 36px #1e1b2e4d;--shadow-card:0 7px 18px #1e1b2e38;--shadow-pill:0 5px 14px #1e1b2e2e;--fs-display:clamp(2.25rem, 1.5rem + 3.2vw, 3.75rem);--fs-h2:clamp(1.625rem, 1.3rem + 1.4vw, 2.25rem);--fs-h3:clamp(1.25rem, 1.15rem + .4vw, 1.375rem);--fs-lead:clamp(1.0625rem, 1rem + .4vw, 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#00000080}}@media (prefers-contrast:more){:root{--ink:#0e0c17;--accent:#1f33a8;--accent-text:#1f33a8;--streak-text:#8f3e0c}}@media (prefers-contrast:more) and (prefers-color-scheme:dark){:root{--ink:#fff;--muted:#c4beb5;--accent:#a5b4ff;--accent-text:#a5b4ff}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation:none!important}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{color:var(--ink);background:var(--table);background-image:var(--bg-table);font:var(--fs-body)/var(--lh-body) var(--font-sans);-webkit-font-smoothing:antialiased;background-attachment:fixed;margin:0;overflow-x:clip}h1,h2,h3{line-height:var(--lh-tight);text-wrap:balance;margin:0}p,h1,h2,h3,li{overflow-wrap:anywhere}p{text-wrap:pretty}:lang(ja) h1,:lang(ja) h2,:lang(ja) h3{font-feature-settings:"palt";letter-spacing:.02em}:lang(ja) 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