:root{--bg:#ffffff;--surface:#f5f7fa;--card:#f5f7fa;--border:#d7dee7;--divider:rgba(27,30,41,.08);--text:#1b1e29;--muted:#5c6370;--chip:#e5eeff;--accent:#1d59fd;--accent-soft:#e3ecff;--select-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='none' stroke='%231d59fd' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M3 5l3 3 3-3'/%3E%3C/svg%3E");--positive:#1a9d5a;--critical:#e5484d}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 Inter,Noto Sans JP,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}@media (max-width: 480px){body{font-size:17px}}.container{max-width:960px;margin:0 auto;padding:16px}header h1{margin:16px 0 12px;font-weight:700;letter-spacing:.01em;color:var(--text)}.route-links{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 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