Arcade-Maniac/Source/Library/PackageCache/com.unity.render-pipelines.high-definition@11.0.0/Documentation~/snippets/area-light-material-support-disclaimer.md

Area Lights do not currently support Fabric or Hair Materials. This means they do not illuminate or cast shadows for Materials that use any of the following:

• Cotton/Wool Shader
• Silk Shader
• Hair Shader
• Fabric Master Stack
• Hair Master Stack