manifest.json

{
  "short_name": "簡易地震計",
  "name": "Zero Quake 簡易地震計",
  "display": "standalone",
  "start_url": "https://0quake.github.io/Seismometer/index.html",
  "scope": "https://0quake.github.io/Seismometer/",
  "background_color": "#222",
  "theme_color": "#222",
  "icons": [
    {
      "src": "https://0quake.github.io/Seismometer/img/192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "maskable"
    },
    {
      "src": "https://0quake.github.io/Seismometer/img/512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "maskable"
    },
    {
      "src": "https://0quake.github.io/Seismometer/img/192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "https://0quake.github.io/Seismometer/img/512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    }
  ],
  "screenshots": [
    {
      "src": "https://0quake.github.io/Seismometer/img/ss1.png",
      "sizes": "320x640",
      "type": "image/gif"
    }
  ],
  "description": "スマホで簡単地震観測！スマホ1台あれば、インストール不要で、地震の波形を見たり、震度の目安を確認したりできます。加速度・速度・変位といった、マニアにうれしい詳しい情報も表示します。地震観測配信などにもおすすめ。"
}