[
  {
    "id": "A01",
    "fields": [
      "subtotal"
    ],
    "reason": "2×10000=20000、記載18000との差2000"
  },
  {
    "id": "A02",
    "fields": [
      "account"
    ],
    "reason": "注文2222222に対し請求案2222229"
  },
  {
    "id": "A03",
    "fields": [
      "due"
    ],
    "reason": "注文11/30に対し請求案11/20"
  },
  {
    "id": "A04",
    "fields": [
      "customer"
    ],
    "reason": "注文は海風商店、請求案は山風商店"
  },
  {
    "id": "A05",
    "fields": [
      "quantity"
    ],
    "reason": "注文2に対し請求案3。請求案内の掛け算自体は整合"
  },
  {
    "id": "A06",
    "fields": [
      "due"
    ],
    "reason": "請求案の期限が未記載"
  },
  {
    "id": "A07",
    "fields": [],
    "reason": "指定した比較項目では差分なし"
  },
  {
    "id": "A08",
    "fields": [],
    "reason": "指定した比較項目では差分なし"
  }
]