Illustration is a production grammar
Geometry, complexity budgets, silhouettes, and misuse galleries make illustration scalable.
実践ガイダンス
Document shape language and character anatomy; forbid freeform stylization that breaks system.
推奨
- Shape primitives
- Misuse gallery
- Size readability checks
非推奨
- One-off illustrations without system
検証契約
illustration modules + character system present
根拠リファレンス
ref.duolingo.design— Duolingo Design (Brand Guidelines hub)ref.duolingo.illustration-characters— Duolingo Design — Multi-character systemref.duolingo.illustration-duo— Duolingo Design — Character construction grammarref.duolingo.illustration-shape— Duolingo Design — Illustration shape language