:root{--paper: #faf5ec;--card: #fffefa;--ink: #33302b;--muted: #9a9183;--line: #eae2d3;--accent: #e8643f;--tweet: #5b9bd0;--idea: #e2a23b;--trouble: #d9705b;--ok: #5fa877;--radius: 18px;--shadow: 0 2px 10px rgba(80, 65, 40, .08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Zen Maru Gothic,Hiragino Maru Gothic ProN,system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;min-height:100dvh}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;opacity:.5;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' 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