Scène cinématique d'un couple au bord d'un lac pluvieux (Référence Lock)

```json
{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "photoreal_cinematic_couple_rain_lakeside_close_frame",
      "version": "v1.2_LAKESIDE_RAIN_CLOSE_INTIMATE_EN",
      "priority": "highest"
    },
    "references": {
      "reference_image_1": {
        "source": "UPLOAD_REFERENCE_IMAGE (REQUIRED)",
        "purpose": "COMPOSITION_MOOD_LIGHTING_LOCK",
        "strict_lock": true,
        "preserve_pose_relationship": true,
        "preserve_weather_mood": true,
        "preserve_color_palette": true
      }
    },
    "output_settings": {
      "aspect_ratio": "4:5",
      "resolution_target": "ultra_high_res",
      "render_style": "ultra_photoreal_cinematic_film_still",
      "sharpness": "natural_subject_focus",
      "film_grain": "subtle_35mm_film_grain",
      "color_grade": "moody_green_warm_film",
      "dynamic_range": "high",
      "skin_tone": "natural_true_to_life"
    },
    "camera": {
      "camera_style": "cinematic film camera",
      "lens": "50mm",
      "aperture": "f/2.0",
      "shutter_speed": "1/250",
      "iso": 640,
      "white_balance": "overcast_daylight",
      "camera_distance": "closer_than_reference",
      "framing_note": "subjects fill most of the frame, minimal empty water space"
    },
    "global_scene": {
      "setting": "wooden dock by a dark green lake during rainfall",
      "time_of_day": "overcast afternoon",
      "weather": "steady rain",
      "lighting": "soft diffused natural light, rain-visible highlights, no harsh contrast",
      "mood": "romantic, vulnerable, cinematic intimacy"
    },
    "subjects": {
      "group": {
        "count": 2,
        "description": "romantic couple in the rain",
        "female_subject": {
          "wardrobe": "flowing white dress soaked by rain, fabric clinging naturally, no modern styling",
          "pose": "leaning back slightly, arms open, face lifted upward feeling the rain",
          "emotion": "release, freedom, emotional openness"
        },
        "male_subject": {
          "wardrobe": "earth-toned jacket and trousers, damp from rain",
          "pose": "standing close, gently holding her hand, grounded and calm",
          "emotion": "protective, tender presence"
        }
      }
    },
    "composition": {
      "framing": "medium-full to medium shot, crop closer than original, reduce negative space above and around",
      "camera_height": "slightly above waist level",
      "depth_of_field": "moderate shallow DOF, couple sharp, background lake softly softened",
      "focus_priority": "faces and hand connection",
      "no_extra_people": true
    },
    "style_constraints": [
      "Photorealistic only",
      "Natural rain physics (droplets, wet fabric, wet wood reflections)",
      "No beauty filters or stylization",
      "No text, logos, or watermarks",
      "Accurate human anatomy and fabric behavior"
    ],
    "negative_prompt": [
      "cartoon, illustratio"
    ]
  }
}
```