Prompt
Aspect ratio 2:3. Minimal soft pastel background with subtle gradient and fine grain, leaving the upper area open and calm. In the lower third, slightly right of center, a rounded capsule window reveals a tiny aquarium behind glass with a few floating bubbles and a gentle blue tint. A small 3D jellyfish mascot drifts near the window, softly glowing and partially obscured by the glass haze. The interior water volume has delicate caustic highlights and calm depth. Lighting is clean and diffused with a soft highlight sweep on the glass edge. Surfaces remain clean and unlettered, emphasizing serenity and negative space.
