flowchart LR
    A["Development process<br/>full of waste — overproduction,<br/>waiting, rework"] --"Applying the<br/>7 Lean principles"--> B["Value stream optimization<br/>identify and eliminate waste"] --"Continuous<br/>improvement (Kaizen)"--> C["Fast, efficient development<br/>centered on customer value"]

    style A fill:#FFEBEE,stroke:#D32F2F,color:#000
    style B fill:#E3F2FD,stroke:#1976D2,color:#000
    style C fill:#E8F5E9,stroke:#388E3C,color:#000
  

    flowchart TD
    subgraph R1["　"]
        direction LR
        P1["1. Eliminate Waste<br/>Remove all activities<br/>that don't create value"]
        P2["2. Amplify Learning<br/>Shorten feedback loops<br/>accumulate knowledge through iteration"]
        P3["3. Decide as Late as Possible<br/>Gather as much information<br/>as possible before irreversible decisions"]
        P4["4. Deliver as Fast as Possible<br/>Deliver value in short cycles<br/>reflect feedback quickly"]
    end
    subgraph R2["　"]
        direction LR
        P5["5. Empower the Team<br/>Enable autonomous decision-making<br/>trust frontline experts"]
        P6["6. Build Integrity In<br/>Build quality in from the<br/>design stage, not after the fact"]
        P7["7. Optimize the Whole<br/>Optimize the entire value stream<br/>not individual parts"]
    end

    style P1 fill:#E3F2FD,stroke:#1976D2,color:#000
    style P2 fill:#F3E5F5,stroke:#7B1FA2,color:#000
    style P3 fill:#FFF3E0,stroke:#F57C00,color:#000
    style P4 fill:#FFEBEE,stroke:#D32F2F,color:#000
    style P5 fill:#E8F5E9,stroke:#388E3C,color:#000
    style P6 fill:#E0F2F1,stroke:#00796B,color:#000
    style P7 fill:#E8EAF6,stroke:#3949AB,color:#000
    style R1 fill:none,stroke:none
    style R2 fill:none,stroke:none
  

    flowchart LR
    subgraph VSM["Value Stream Map"]
        direction LR
        REQ["Requirements<br/>Intake"] --> DEV["Development"] --> TEST["Testing"] --> DEP["Deployment"] --> OPS["Operations"]
    end

    subgraph WASTE["7 Types of Software Waste"]
        direction TB
        W1["Partially Done Work"]
        W2["Extra Processes"]
        W3["Extra Features"]
        W4["Task Switching"]
        W5["Waiting"]
        W6["Motion"]
        W7["Defects"]
    end

    VSM --> WASTE

    style VSM   fill:#E3F2FD,stroke:#1976D2,color:#1E3A5F
    style WASTE fill:#FFEBEE,stroke:#D32F2F,color:#B71C1C