graph TB
    subgraph "높은 통합성"
    KT[KT AI 서비스<br/>가성비 + 통합]
    end

    subgraph "중간 통합성"
    HS[HubSpot<br/>고가 + 기능]
    MC[Mailchimp<br/>중가 + 이메일]
    end

    subgraph "낮은 통합성"
    KK[카카오톡 채널<br/>저가 + 단순]
    GA[가제트AI<br/>중저가 + 콘텐츠]
    end

    style KT fill:#4CAF50,stroke:#388E3C,color:#fff
    style HS fill:#9E9E9E,stroke:#616161,color:#fff
    style MC fill:#9E9E9E,stroke:#616161,color:#fff
    style KK fill:#BDBDBD,stroke:#757575,color:#000
    style GA fill:#BDBDBD,stroke:#757575,color:#000