{
  "name": "帆船の船体速度計算機",
  "short_name": "帆船の船体速度計算機",
  "description": "喫水線長さから理論上の船体速度を求め、実測のログと比べ、排水型船体が自分の船首波に乗り上げる瞬間を見ます。",
  "start_url": "/ja/utilities/categories/sailing-and-nautical/sailboat-hull-speed-calculator/",
  "scope": "/ja/utilities/categories/sailing-and-nautical/sailboat-hull-speed-calculator/",
  "icons": [
    {
      "src": "/images/utilities/hull-speed.webp",
      "sizes": "512x512",
      "type": "image/webp",
      "purpose": "any"
    }
  ],
  "theme_color": "#0f172a",
  "background_color": "#0f172a",
  "display": "standalone",
  "orientation": "portrait"
}