*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#2563eb;--secondary-color:#1e40af;--accent-color:#3b82f6;--text-color:#1f2937;--text-light:#6b7280;--bg-color:#fff;--bg-light:#f9fafb;--bg-section:#f3f4f6;--border-color:#e5e7eb;--shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif;line-height:1.7;color:var(--text-color);background-color:var(--bg-color)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{background:linear-gradient(135deg,var(--primary-color) 0,var(--secondary-color) 100%);color:#fff;padding:60px 0;text-align:center;box-shadow:var(--shadow-lg)}.site-title{font-size:2.5rem;font-weight:700;margin-bottom:10px;letter-spacing:-.02em}.site-subtitle{font-size:1.1rem;opacity:.95;font-weight:300}.navbar{background-color:#fff;border-bottom:1px solid 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