{
  "karada_version": "1.0",
  "id": "soccer-boy",
  "captured_at": "2026-06-20",
  "capture_method": "video",
  "sample": true,
  "subject": {
    "alias": "小5 サッカー男子",
    "birth_year": 2014,
    "sex": "M",
    "height_cm": 146.0,
    "weight_kg": 38.0,
    "growth_stage": "growth",
    "sport": "soccer"
  },
  "posture": {
    "shoulder_tilt_deg": 0.6,
    "pelvis_tilt_deg": 1.1,
    "spine": "neutral",
    "balance_lr": [
      57.0,
      43.0
    ]
  },
  "foot": {
    "right": {
      "size_jp": 23.5,
      "arch": "normal",
      "lateral_malleolus": [
        61.0,
        77.0
      ],
      "medial_malleolus": [
        39.0,
        79.0
      ]
    },
    "left": {
      "size_jp": 23.5,
      "arch": "low",
      "lateral_malleolus": [
        60.0,
        76.0
      ],
      "medial_malleolus": [
        40.0,
        78.0
      ]
    },
    "long_axis_deg": 14.2,
    "drive": "big_toe"
  },
  "gait": {
    "landing_angle_deg": 8.4,
    "pronation_velocity_dps": 338.0,
    "overpronation": true
  },
  "flexibility": {
    "achilles": "normal",
    "hamstring": "tight",
    "ankle_dorsiflexion_deg": 4.0
  },
  "risk": [
    {
      "area": "足部",
      "level": "watch",
      "reason": "足長軸 14.2° が平均帯(8–13°)より外向き。親指主導でハの字に開きやすい。",
      "metric": "foot.long_axis_deg"
    },
    {
      "area": "膝",
      "level": "alert",
      "reason": "回内角速度 338°/s が高い（オーバープロネーション）。接地でねじれが入り膝を痛めやすい。",
      "metric": "gait.pronation_velocity_dps"
    },
    {
      "area": "ハムストリング",
      "level": "alert",
      "reason": "成長期は骨の伸びに筋が追いつかずハムが硬くなりやすい。怪我リスクが上がる時期。",
      "metric": "flexibility.hamstring"
    },
    {
      "area": "足関節",
      "level": "alert",
      "reason": "足関節背屈 4° しか動かない。上の構造物(膝・股関節)が代償で大きく動く。",
      "metric": "flexibility.ankle_dorsiflexion_deg"
    },
    {
      "area": "左右バランス",
      "level": "watch",
      "reason": "左右荷重 57:43 と差が大きい。立位の土台が傾いている。",
      "metric": "posture.balance_lr"
    }
  ],
  "notes": [
    {
      "by": "足の先生",
      "at": "2026-06-20",
      "text": "成長期で後面が一気に硬くなっている。接地のねじれ(回内)も強い。膝を痛める前に背屈と SLR を週次で。"
    }
  ],
  "media": [
    {
      "id": "gait-front",
      "kind": "gait_video",
      "label": "歩行・前から",
      "view": "front",
      "src": "",
      "poster": "/img/real/posture-front2.jpg",
      "captured_at": "2026-06-20",
      "annotations": [
        {
          "kind": "long_axis",
          "label": "足長軸（ハの字）",
          "value": "14.2° · 親指主導",
          "level": "watch"
        },
        {
          "kind": "landing",
          "label": "着地角",
          "value": "8.4°",
          "level": "watch"
        },
        {
          "kind": "pronation",
          "label": "回内角速度",
          "value": "338°/s · オーバープロネーション",
          "level": "alert"
        },
        {
          "kind": "balance",
          "label": "左右荷重",
          "value": "L 57 : R 43",
          "level": "watch"
        }
      ]
    },
    {
      "id": "gait-side",
      "kind": "gait_video",
      "label": "歩行・横から",
      "view": "side",
      "src": "",
      "poster": "/img/real/posture-side.jpg",
      "captured_at": "2026-06-20",
      "annotations": [
        {
          "kind": "long_axis",
          "label": "足長軸（ハの字）",
          "value": "14.2° · 親指主導",
          "level": "watch"
        },
        {
          "kind": "landing",
          "label": "着地角",
          "value": "8.4°",
          "level": "watch"
        },
        {
          "kind": "pronation",
          "label": "回内角速度",
          "value": "338°/s · オーバープロネーション",
          "level": "alert"
        },
        {
          "kind": "balance",
          "label": "左右荷重",
          "value": "L 57 : R 43",
          "level": "watch"
        }
      ]
    },
    {
      "id": "foot-3d",
      "kind": "foot_3d",
      "label": "足の3Dスキャン",
      "view": "sole",
      "src": "",
      "poster": "/img/real/foot-landmarks.jpg",
      "captured_at": "2026-06-20",
      "annotations": []
    }
  ],
  "audio": null,
  "source": "karada",
  "condition": null,
  "condition_log": [],
  "nutrition": null,
  "nutrition_log": [],
  "measurement_log": [],
  "provenance": {
    "owner": "subject",
    "lock_in": "none",
    "storage": "karada-vault",
    "consent": "self",
    "guardian": ""
  }
}