{
  "scope": "Published change notices, not a same-menu national price index. Do not add or average different menus or facilities.",
  "rows": [
    {
      "course": "清川カントリークラブ",
      "effective": "2024-12-01",
      "change": "全時間帯メニューの販売価格変更。原本に一律金額なし",
      "source": "KIYOKAWA"
    },
    {
      "course": "垂水ゴルフ倶楽部",
      "effective": "2025-04-01",
      "item": "飲料",
      "increase_yen_range": [
        50,
        200
      ],
      "source": "TARUMI PDF p9"
    },
    {
      "course": "高坂カントリークラブ",
      "effective": "2026-01-15",
      "item": "レストランメニュー",
      "increase_yen_range": [
        30,
        150
      ],
      "reasons": [
        "原材料費",
        "物流費",
        "人件費"
      ],
      "source": "TAKASAKA"
    }
  ]
}