{
  "title": "重大度に応じた初動と引き継ぎを揃える",
  "subtitle": "架空のSaaS運用方針｜検知から経過した時間で引き継ぐ",
  "service": "業務支援クラウド",
  "tiers": [
    {
      "id": "tier-p0",
      "priority": "P0",
      "label": "全体停止",
      "trigger": "全利用者が主要操作を行えず、回避策もない",
      "acknowledgeMinutes": 5,
      "mitigationTargetMinutes": 30,
      "customerUpdateEveryMinutes": 15,
      "steps": [
        {
          "id": "p0-step-1",
          "afterMinutes": 10,
          "owner": "当番責任者",
          "action": "指揮役を決め、復旧担当を招集する"
        },
        {
          "id": "p0-step-2",
          "afterMinutes": 20,
          "owner": "サービス責任者",
          "action": "回避策と復旧見込みを判断する"
        },
        {
          "id": "p0-step-3",
          "afterMinutes": 40,
          "owner": "事業責任者",
          "action": "広域連絡と外部支援の要否を決める"
        }
      ]
    },
    {
      "id": "tier-p1",
      "priority": "P1",
      "label": "主要機能の障害",
      "trigger": "一部の利用者で主要機能が使えず、影響が拡大している",
      "acknowledgeMinutes": 15,
      "mitigationTargetMinutes": 90,
      "customerUpdateEveryMinutes": 30,
      "steps": [
        {
          "id": "p1-step-1",
          "afterMinutes": 30,
          "owner": "当番責任者",
          "action": "影響範囲と直近の変更を照合する"
        },
        {
          "id": "p1-step-2",
          "afterMinutes": 60,
          "owner": "サービス責任者",
          "action": "追加要員または機能停止を判断する"
        }
      ]
    },
    {
      "id": "tier-p2",
      "priority": "P2",
      "label": "機能劣化",
      "trigger": "応答遅延または限定した機能不全が続く",
      "acknowledgeMinutes": 60,
      "mitigationTargetMinutes": 480,
      "customerUpdateEveryMinutes": 120,
      "steps": [
        {
          "id": "p2-step-1",
          "afterMinutes": 120,
          "owner": "担当チーム",
          "action": "再現条件と影響を記録する"
        },
        {
          "id": "p2-step-2",
          "afterMinutes": 240,
          "owner": "当番責任者",
          "action": "当日中の修正可否を確認する"
        }
      ]
    },
    {
      "id": "tier-p3",
      "priority": "P3",
      "label": "軽微な不具合",
      "trigger": "限定した利用者に影響し、回避策が利用できる",
      "acknowledgeMinutes": 240,
      "mitigationTargetMinutes": 2880,
      "customerUpdateEveryMinutes": 1440,
      "steps": [
        {
          "id": "p3-step-1",
          "afterMinutes": 480,
          "owner": "担当チーム",
          "action": "通常の計画へ登録し対応時期を共有する"
        },
        {
          "id": "p3-step-2",
          "afterMinutes": 1440,
          "owner": "プロダクト責任者",
          "action": "未対応理由と次回確認日を合意する"
        }
      ]
    }
  ]
}