Ultra-réaliste Outdoor Shower Portrait Prompt (JSON)

A highly detailed, JSON-structured prompt for Nano Banana Pro to generate an ultra-realistic, editorial lifestyle photograph of a beautiful woman in a blue bikini in an outdoor stone shower courtyard. The prompt specifies the subject's physical details, composition (mid-shot, eye-level, with a shower spout), environment, lighting geometry, materials, and camera optics (50mm lens, moderate depth of field) to ensure sharp focus and accurate rendering.