{
  "name": "自転車ギア比と回転数電卓",
  "short_name": "自転車ギア比と回転数電卓",
  "description": "精密なドライブトレイン工学：ギアオーバーラップを可視化し、チェーンクロスを防ぎ、プロフェッショナルな400～600ワードのツールで自転車運転を最適化します。",
  "start_url": "/ja/utilities/categories/cycling/bicycle-gear-ratio-cadence-speed-calculator/",
  "scope": "/ja/utilities/categories/cycling/bicycle-gear-ratio-cadence-speed-calculator/",
  "icons": [
    {
      "src": "/images/utilities/gear-calculator.webp",
      "sizes": "512x512",
      "type": "image/webp",
      "purpose": "any"
    }
  ],
  "theme_color": "#0f172a",
  "background_color": "#0f172a",
  "display": "standalone",
  "orientation": "portrait"
}