నైరూప్య బ్యాక్‌గ్రౌండ్ జనరేషన్ (రిఫరెన్స్ ఆధారిత)

A Japanese prompt fragment for Nano Banana Pro focusing on generating a simple, atmospheric background based on the mood inferred from a reference image. It specifies using soft gradients, glow, light particles, or abstract light rays, while avoiding complex textures or copyrighted shapes.