控えめなシネマティックなロッククライマー写真のための構造化された JSON プロンプト

```json
{
  "subject": {
    "description": "ジムで後ろから見た女性ロッククライマー。ケーブルハンドルを両手に持ち、腕を左右にまっすぐ伸ばしている。ローキーな照明の下で、くっきりと浮き出た背中の筋肉と肩甲骨の輪郭が力強く見える。",
    "mirror_rules": null,
    "age": "20",
    "expression": {
      "eyes": {
        "look": null,
        "energy": "focused",
        "direction": null
      },
      "mouth": {
        "position": null,
        "energy": null
      },
      "overall": "focused mid-rep, face turned away"
    },
    "face": {
      "preserve_original": true,
      "makeup": null
    },
    "hair": {
      "color": "dark brown",
      "style": "low ponytail through a dark baseball cap",
      "effect": "a few loose strands"
    },
    "body": {
      "frame": "lean athletic, Small base, thin muscle",
      "waist": "The super-slim waist accentuates the broad shoulders.",
      "chest": null,
      "legs": "covered by loose pants",
      "skin": {
        "visible_areas": [
          "back",
          "generous shoulders",
          "arms"
        ],
        "tone": "pale, white, cool-toned light skin",
        "texture": "natural skin texture with slight workout sheen",
        "lighting_effect": "low-key white cool highlights defining lats, traps, rear delts, and scapula grooves"
      }
    },
    "pose": {
      "position": "standing, back to camera",
      "base": "stable stance, Lean your upper body slightly forward",
      "overall": "both arms fully extended horizontally, holding cable handles in each hand，Starting to do exercises to train chest muscles"
    },
    "clothing": {
      "top": {
        "type": "string-strap sports bra",
        "color": "white",
        "details": "ultra-thin round elastic cord straps, strap width must be 0.1cm or thinner; cord-like and round (not flat webbing). Two ultra-thin(width must be 0.1cm) cords form a clean X across the upper back, plus one lower diagonal cord creating a small angled triangle into a thin back band.",
        "effect": "delicate thin-string geometry framing the back muscles, The thin elastic bands almost completely exposed her back, making her look both powerful and sexy."
      },
      "bottom": {
        "type": "loose sweatpants",
        "color": "medium gray",
        "details": "relaxed fit with a lighter waistband showing above",
        "effect": "casual training look"
      }
    }
  },
  "accessories": {
    "headwear": "dark baseball cap",
    "jewelry": null,
    "device": null,
    "prop": "cable machine handles held in both hands"
  },
  "photography": {
    "camera_style": "realistic cinematic gym fitness photography",
    "angle": "rear view at about shoulder height, slight telephoto compression",
    "shot_type": "mid-to-full body from head to upper thighs, centered subject",
    "aspect_ratio": "4:5 vertical",
    "texture": "crisp subject detail with soft background bokeh, subtle micro-contrast on muscles (not harsh global sharpening)",
    "lighting": "premium low-key lighting, dim overall; cool light on the subject with controlled highlights and deeper shadows; warm background bokeh points",
    "depth_of_field": "shallow depth of field, background strongly blurred"
  },
  "background": {
    "setting": "indoor gym with dumbbell area and machines, glass/mirror partitions",
    "wall_color": "cool gray and dark tone"
  }
}
```