flowchart TD
  classDef terminator fill:#4338ca,stroke:#312e81,stroke-width:2px,color:#fff,font-weight:700;
  classDef decision   fill:#fef3c7,stroke:#d97706,stroke-width:2.5px,color:#78350f,font-weight:700;
  classDef process    fill:#ffffff,stroke:#475569,stroke-width:1.5px,color:#0f172a;
  classDef processReq fill:#ffffff,stroke:#475569,stroke-width:1.5px,color:#0f172a,font-weight:600;
  classDef input      fill:#cffafe,stroke:#0891b2,stroke-width:1.8px,color:#164e63;
  classDef inputReq   fill:#cffafe,stroke:#0891b2,stroke-width:1.8px,color:#164e63,font-weight:600;
  classDef decisionReq fill:#fef3c7,stroke:#d97706,stroke-width:2.5px,color:#78350f,font-weight:700;
  classDef chOk      fill:#dcfce7,stroke:#16a34a,color:#14532d;
  classDef chWarn    fill:#fef3c7,stroke:#d97706,color:#78350f;
  classDef chRisk    fill:#fee2e2,stroke:#dc2626,color:#7f1d1d;
  linkStyle default stroke:#94a3b8,stroke-width:1.6px;

  START(["🟢 문진 시작: 역류성식도질환(GERD) 문진"]):::terminator
  RESULT(["🏁 결과 산출"]):::terminator

  S132["섹션 1: 역류 증상<br/>(8)"]:::process
  START --> S132
  S133["섹션 2: 경고 증상<br/>(4)"]:::process
  S132 --> S133
  S134["섹션 3: 생활요인<br/>(8)"]:::process
  S133 --> S134
  S271["섹션 4: 증상 상세<br/>(10)"]:::process
  S134 --> S271
  S272["섹션 5: 생활·병력<br/>(7)"]:::process
  S271 --> S272
  S273["섹션 6: 추가 경고<br/>(4)"]:::process
  S272 --> S273
  S436["섹션 7: 약물 반응 (해당 시)<br/>(3)"]:::process
  S273 --> S436
  S436 --> RESULT