:root{--ai: #1F3A5F;--ai-deep: #142842;--ai-wash: #E6ECF4;--ink: #18202B;--ink-soft: #4A5566;--paper: #F7F8FA;--surface: #FFFFFF;--line: #D6DCE4;--turmeric: #E0A526;--turmeric-wash: #FDF3DC;--free: #2E7D4F;--free-wash: #E3F2E8;--part: #9A6412;--part-wash: #FBEFD9;--busy: #B3261E;--busy-wash: #FBE5E3;--radius-s: 6px;--radius-m: 10px;--font: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;--step--1: .875rem;--step-0: 1rem;--step-1: 1.25rem;--step-2: 1.6rem;--step-3: 2.1rem;color-scheme:light}*{box-sizing:border-box}html{font-size:100%;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);font-size:var(--step-0);line-height:1.6;color:var(--ink);background:var(--paper)}h1,h2,h3{line-height:1.25;margin:0 0 .5em;font-weight:700;letter-spacing:.01em}h1{font-size:var(--step-3)}h2{font-size:var(--step-1)}h3{font-size:var(--step-0)}p{margin:0 0 .75em;max-width:72ch}a{color:var(--ai);text-underline-offset:3px}:focus-visible{outline:3px solid 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