AMLスクリーニングAPI - 制裁・PEPの照合

┌─────────────────────────────────────────────────────────────────────────────┐
│                           AML SCREENING FLOW                                │
├─────────────────────────────────────────────────────────────────────────────┤
│                                                                             │
│  STEP 1: Screen against watchlists                                          │
│     └── Returns potential matches (match score ≥ 75% included)              │
│                                                                             │
│  STEP 2: For each match, calculate MATCH SCORE                              │
│     └── Match Score = (Name × W1) + (DOB × W2) + (Country × W3)             │
│                                                                             │
│  STEP 3: Classify match by match score                                      │
│     ├── Match Score < 93 → FALSE POSITIVE (excluded from risk)              │
│     └── Match Score ≥ 93 → UNREVIEWED (included in risk)                    │
│                                                                             │
│  STEP 4: For unreviewed matches, calculate RISK SCORE                       │
│     └── Risk Score = (Country × 30%) + (Category × 50%) + (Criminal × 20%)  │
│                                                                             │
│  STEP 5: Determine AML STATUS (highest risk score among non-FP matches)     │
│     ├── Risk Score < 86 → APPROVED                                          │
│     ├── 86 ≤ Risk Score ≤ 100 → IN REVIEW                                   │
│     └── Risk Score > 100 → DECLINED                                         │
│                                                                             │
└─────────────────────────────────────────────────────────────────────────────┘