屋内フィットネスミラーセルフィー用の高詳細 JSON プロンプト

```json
{
  "aspect_ratio": "9:16",
  "scene_type": "屋内のフィットネスミラーセルフィー",
  "camera": {
    "device": "スマートフォンの背面カメラ",
    "angle": "目線の高さ、鏡にわずかに角度をつけて",
    "framing": "太ももの上部から頭まで、縦構図",
    "focus": "被写体にシャープなフォーカス、背景はクリア",
    "style": "カジュアルなミラーセルフィー"
  },
  "subject": {
    "gender": "{argument name=\"gender\" default=\"male\"}",
    "age": "{argument name=\"age\" default=\"young adult\"}",
    "build": "{argument name=\"build\" default=\"lean, muscular, athletic\"}",
    "skin_tone": "{argument name=\"skin tone\" default=\"light to medium with warm undertones\"}",
    "hair": {
      "color": "{argument name=\"hair color\" default=\"dark brown\"}",
      "length": "{argument name=\"hair length\" default=\"medium\"}",
      "texture": "{argument name=\"hair texture\" default=\"slightly wavy\"}",
      "style": "{argument name=\"hair style\" default=\"loose, natural, slightly messy\"}"
    },
    "face": {
      "shape": "{argument name=\"face shape\" default=\"oval with defined jawline\"}",
      "eyes": {
        "direction": "{argument name=\"eye direction\" default=\"looking at phone screen\"}",
        "expression": "{argument name=\"eye expression\" default=\"focused, calm\"}"
      },
      "eyebrows": "{argument name=\"eyebrows\" default=\"natural, slightly furrowed\"}",
      "nose": "{argument name=\"nose\" default=\"straight, medium width\"}",
      "mouth": {
        "state": "{argument name=\"mouth state\" default=\"closed\"}",
        "expression": "{argument name=\"mouth expression\" default=\"neutral, relaxed\"}"
      },
      "overall_expression": "{argument name=\"overall expression\" default=\"serious, introspective\"}"
    },
    "body_posture": {
      "stance": "まっすぐ立つ",
      "torso": "鏡にわずかに角度をつけて",
      "shoulders": "リラックスしているが、肩は張っている",
      "arms": {
        "right_arm": "肘を曲げ、胸の高さでスマートフォンを持っている",
        "left_arm": "衣類を手に持ち、リラックスして下ろしている"
      },
      "hands": {
        "right_hand": "スマートフォンをしっかりと握っている",
        "left_hand": "折りたたんだ暗い色の衣類を持っている"
      }
    },
    "body_details": {
      "upper_body": "胸、肩、腕の筋肉がはっきり見える裸の胴体",
      "abdomen": "正中線がはっきり見える、引き締まった腹筋",
      "arms": "微妙な血管が見える、引き締まった上腕二頭筋と前腕"
    },
    "clothing": {
      "bottom": {
        "type": "{argument name=\"bottom type\" default=\"athletic joggers or shorts\"}",
        "color": "{argument name=\"bottom color\" default=\"olive green\"}",
        "fit": "{argument name=\"bottom fit\" default=\"relaxed fit at waist, slightly loose\"}"
      },
      "accessories": [
        "手首に暗い色のスマートウォッチまたはフィットネスバンド"
      ]
    }
  },
  "objects": {
    "smartphone": {
      "color": "{argument name=\"smartphone color\" default=\"dark\"}",
      "case": "{argument name=\"smartphone case\" default=\"graphic or sticker-covered case\"}",
      "position": "鏡の前で右手に持っている"
    },
    "garment": {
      "type": "{argument name=\"garment type\" default=\"shirt or towel\"}",
      "color": "{argument name=\"garment color\" default=\"dark\"}",
      "position": "腰の近くで左手に持っている"
    }
  },
  "environment": {
    "location": "{argument name=\"location\" default=\"indoor gym or fitness facility\"}",
    "background": {
      "walls": "{argument name=\"walls\" default=\"one dark wall and one wall with colorful mural art\"}",
      "mural": "{argument name=\"mural description\" default=\"abstract illustration with warm orange, yellow, and red tones\"}",
      "floor": "{argument name=\"floor\" default=\"smooth gym flooring\"}"
    },
    "mirror": "被写体を映す大きな壁掛け鏡"
  },
  "lighting": {
    "type": "{argument name=\"lighting type\" default=\"indoor artificial lighting\"}",
    "direction": "{argument name=\"lighting direction\" default=\"overhead and frontal\"}",
    "quality": "{argument name=\"lighting quality\" default=\"even, soft highlights on skin\"}",
    "shadows": "{argument name=\"shadows\" default=\"minimal, soft shadows enhancing muscle definition\"}"
  },
  "style": {
    "genre": "{argument name=\"genre\" default=\"fitness lifestyle photography\"}",
    "aesthetic": "{argument name=\"aesthetic\" default=\"clean\"}"
  }
}
```