Nano Banana Pro Image Prompt for a Young Woman on a Picnic

{
  "image_prompt": {
    "subject": {
      "description": "{argument name="subject description" default="young woman sitting outdoors on a picnic blanket in a sunny open field"}",
      "face_preservation": {argument name="face preservation" default="true"},
      "pose": {
        "body_position": "{argument name="body position" default="sitting cross-legged on a quilted blanket"}",
        "hands": "{argument name="hands detail" default="holding a small bouquet of white baby's breath flowers"}",
        "expression": "{argument name="expression" default="soft, relaxed smile"}",
        "posture": "{argument name="posture" default="upright, facing forward"}"
      },
      "appearance": {
        "hair": {
          "color": "{argument name="hair color" default="dark-brown"}",
          "style": "{argument name="hair style" default="long, slightly wavy, parted with natural flow"}"
        },
        "clothing": {
          "dress": {
            "type": "{argument name="dress type" default="sleeveless sundress"}",
            "color": "{argument name="dress color" default="light yellow"}",
            "details": "{argument name="dress details" default="tie detail at chest, soft flowing fabric"}"
          }
        },
        "accessories": {
          "jewelry": [
            "{argument name="jewelry 1" default="delicate necklace"}",
            "{argument name="jewelry 2" default="bracelet"}",
            "{argument name="jewelry 3" default="rings"}"
          ]
        }
      }
    },
    "environment": {
      "setting": "{argument name="setting" default="large grassy park under a bright blue sky"}",
      "details": {
        "elements": [
          "{argument name="element 1" default="scattered clouds"}",
          "{argument name="element 2" default="pond with small fountain"}",
          "{argument name="element 3" default="houses and trees in distance"}",
          "{argument name="element 4" default="early spring foliage"}"
        ],
        "ground": "{argument name="ground detail" default="colorful patchwork quilt on green grass"}",
        "lighting": "{argument name="lighting" default="bright natural sunlight creating soft shadows"}"
      }
    },
    "photography": {
      "style": "{argument name="photography style" default="natural outdoor portrait"}",
      "framing": "{argument name="framing" default="centered portrait with full upper body visible"}",
      "camera_angle": "{argument name="camera angle" default="eye-level perspective"}",
      "quality": "{argument name="quality" default="high resolution, crisp daylight image"}",
      "color_tone": "{argument name="color tone" default="warm, vibrant, natural colors"}"
    },
    "composition": {
      "focus": "{argument name="focus" default="subject centered on blanket holding flowers"}",
      "background_depth": "{argument name="background depth" default="wide landscape with sky and clouds providing depth"}",
      "negative_prompt": [
        "{argument name="negative 1" default="altered face"}",
        "{argument name="negative 2" default="incorrect lighting"}",
        "{argument name="negative 3" default="extra people"}",
        "{argument name="negative 4" default="text or watermark"}",
        "{argument name="negative 5" default="distorted proportions"}"
      ]
    }
  }
}