:root{--bg:#f6f1e6;--card:#fffdf8;--text:#1f1f1f;--muted:#66615a;--brand:#0f2a4a;--accent:#c9a646;--border:#e2d8c6;--shadow:0 6px 18px #0f2a4a14;--success:#2e7d32;--success-bg:#edf7ed;--danger:#b00020;--warning:#e65100;--warning-bg:#fff8f0;--transition:.25s cubic-bezier(.4,0,.2,1)}*{box-sizing:border-box}body{color:var(--text);background:radial-gradient(circle at 20% 0,#c9a64614,#0000 42%),linear-gradient(#f6f1e6 0%,#f0e8da 100%);min-height:100vh;margin:0;font-family:Noto Serif JP,Hiragino Mincho ProN,Yu Mincho,serif}.container{width:min(960px,92%);margin:0 auto}.site-header{border-bottom:1px solid var(--border);border-top:4px solid var(--accent);background:linear-gradient(#fffffff2,#fffdf8e6),linear-gradient(90deg,#0000 0%,#c9a6461f 40%,#0000 100%);padding:28px 0 16px}.brand{letter-spacing:.08em;color:var(--brand);margin:0;font-weight:700}.header-logo{max-width:220px;height:auto}.sub{color:var(--muted);margin:6px 0 0}.site-footer{color:var(--muted);border-top:1px solid 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