:root{--color-primary: #2f6fed;--color-primary-dark: #1f56c4;--color-primary-soft: #e8f0fe;--color-bg: #f5f7fa;--color-surface: #ffffff;--color-text: #1f2937;--color-text-sub: #6b7280;--color-border: #e2e8f0;--color-danger: #dc2626;--color-danger-soft: #fee2e2;--color-success: #16a34a;--color-success-soft: #dcfce7;--color-warn: #d97706;--color-warn-soft: #fef3c7;--color-info: #2563eb;--color-info-soft: #dbeafe;--color-gray-soft: #f1f5f9;--radius: 10px;--shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .06)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic UI,Meiryo,sans-serif;background:var(--color-bg);color:var(--color-text);font-size:15px;line-height:1.6}button{font-family:inherit}.layout{display:flex;min-height:100vh}.sidebar{width:220px;flex-shrink:0;background:#fff;border-right:1px solid var(--color-border);display:flex;flex-direction:column;padding:16px 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