:root{--color-primary:#156542;--color-primary-dark:#0f4d32;--color-income:#16794d;--color-expense:#c0392b;--color-warning:#c99a1f;--color-border:#e4e7ec;--color-bg:#f2f4f7;--color-surface:#fff;--color-text:#1f2933;--color-muted:#667085;--radius:12px;--radius-sm:8px;--shadow:0 1px 2px #1018280d, 0 1px 3px #10182814;--shadow-hover:0 4px 12px #1018281a}*{box-sizing:border-box}body{color:var(--color-text);background-color:var(--color-bg);margin:0;font-family:Hiragino Sans,Noto Sans JP,system-ui,sans-serif;line-height:1.6}.app{max-width:1480px;margin:0 auto;padding:1.25rem 1.5rem 3rem}.app-header{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem;padding:.9rem 1.4rem;display:flex}.brand{align-items:center;gap:.9rem;min-width:0;display:flex}.brand-logo{background:linear-gradient(135deg, var(--color-primary), 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