{
  "name": "2-5-1 練習室 · Jazz Lab",
  "short_name": "2-5-1",
  "description": "ii — V7 — Imaj7 循環練習:12 調自動輪替、可調速度與伴奏風格、五線譜顯示,全螢幕專注模式。",
  "lang": "zh-Hant",
  "dir": "ltr",
  "start_url": "jazz-lab-251.html",
  "scope": "./",
  "id": "/jazz-lab-251",
  "display": "standalone",
  "orientation": "any",
  "background_color": "#0b0f14",
  "theme_color": "#0b0f14",
  "categories": ["education", "music"],
  "icons": [
    { "src": "icons/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "icons/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" },
    { "src": "icons/icon-maskable-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
  ]
}