{
  "name": "妊娠週数計算・出産予定日カレンダー",
  "short_name": "妊",
  "description": "現在の妊娠週数、期（初期・中期・後期）、および出産予定日を正確に計算します。",
  "start_url": "/ja/utilities/categories/babies/pregnancy-weeks-calculator/",
  "scope": "/ja/utilities/categories/babies/pregnancy-weeks-calculator/",
  "icons": [
    {
      "src": "/images/utilities/pregnancy-calculator.webp",
      "sizes": "512x512",
      "type": "image/webp",
      "purpose": "any"
    }
  ],
  "theme_color": "#0f172a",
  "background_color": "#0f172a",
  "display": "standalone",
  "orientation": "portrait"
}