少年たちの美的バイクポートレート

aspect ratio 9:16 , Keep the person exactly as shown in the reference image with 100% identical facial features, bone structure, 4K details, 
{
"category": "portrait_creator",
"category_reasoning": "Single person, casual creator-style content, styled like an Instagram lifestyle portrait.",
"adaptable": "subject",
"subject": "young man sitting sideways on a motorcycle, looking off-camera left",
"subject_details": "early 20s, has perfect facial details as reference image, wearing a black-and-white checkered overshirt, white t-shirt, loose black trousers, white sneakers, white socks",
"setting": "outdoor urban exterior against a textured wall, daytime open shade",
"setting_details": "textured brown concrete wall, bright red fire hose box with 'HOSE' text, red vertical pipe, green palm fronds, paved ground",
"composition": "medium-full shot, eye-level angle, rule-of-thirds placement, medium depth with leading lines from the motorcycle exhaust",
"camera": "normal 50mm perspective, low distortion, medium depth of field with slight background blur",
"lighting": "soft diffused daylight, open shade, even illumination, low contrast, no hard directional shadows",
"color_grade": "natural digital editorial, warm earthy background bias, neutral cool whites",
"color_palette": "brown, red, black, white, silver, muted green",
"style": "Instagram creator lifestyle, streetwear portrait, urban casual",
"mood": "relaxed, confident, easygoing",
"textures_materials": "chrome motorcycle tank, brushed metal exhaust, matte concrete wall, glossy red painted metal, woven cotton fabric",
"post_processing": "lifted shadows, clean digital noise reduction, subtle edge sharpening",
"recreation_prompt": "portrait_creator, young man sitting sideways on a motorcycle looking off-camera left, early 20s, has perfect facial details as reference image, wearing a black-and-white checkered overshirt, white t-shirt, loose black trousers, white sneakers, outdoor urban exterior against a textured wall, daytime open shade, textured brown concrete wall, bright red fire hose box, red vertical pipe, green palm fronds, medium-full shot, eye-level angle, 50mm perspective, soft diffused daylight, natural digital editorial color grade, Instagram creator lifestyle style, relaxed mood, chrome motorcycle tank, matte concrete wall, lifted shadows, sharp focus, high quality",
"adaptation_prompt": "portrait_creator, [YOUR SUBJECT — describe yourself: appearance, outfit, pose] sitting sideways on a motorcycle looking off-camera left, outdoor urban exterior against a textured wall, daytime open shade, textured brown concrete wall, bright red fire hose box, red vertical pipe, green palm fronds, medium-full shot, eye-level angle, 50mm perspective, soft diffused daylight, natural digital editorial color grade, Instagram creator lifestyle style, relaxed mood, chrome motorcycle tank, matte concrete wall, lifted shadows, sharp focus, high quality",
"negative_prompt": "harsh sunlight, hard shadows, distorted motorcycle parts, blurry face, overexposed chrome highlights, plastic skin",
"color_science": "Neutral daylight with warm earthy background bias, accurate skin tone preservation, natural chrome specularity",
"filter_name": "Clean Digital Standard",
"filter_description": "Standard modern digital camera rendering with mild shadow lift, natural saturation, and slight sharpening",
"white_balance": "Neutral daylight",
"color_temperature": "5500K",
"tone_curve": "Soft S-curve, lifted blacks, linear midtones",
"dynamic_range": "Standard digital, preserved highlights on metal, retained shadow detail in dark clothing",
"highlight_rendering": "Smooth rolloff on skin, sharp specular reflections on chrome tank and exhaust",
"shadow_rendering": "Open, low density, noise-free",
"camera_rendering": "Clean digital sensor output, natural micro-contrast",
"lens_rendering": "Normal perspective, low distortion, mild background separation, clean edges",
"noise_profile": "Clean, virtually noise-free, ISO 100-200 equivalent",
"grain_profile": "",
"sharpness_profile": "Digitally sharp, crisp edges on clothing patterns and motorcycle spokes",
"retouching_analysis": "Minimal, natural skin texture maintained",
"portrait_analysis": "Relaxed three-quarter profile, off-camera gaze, natural neck and shoulder posture",
"facial_expression": "Subtle expression ",
"micro_expression": "Engaged eyes, relaxed orbicularis oris, relaxed brow",
"skin_rendering": "Matte, natural pores visible, accurate warm/olive undertones, no heavy smoothing",
"hair_rendering": "High volume, textured, matte finish, sharp individual strands visible at edges",
"lighting_analysis": "Large diffused ambient daylight, soft frontal fill, no distinct directional key, soft catchlights",
"visual_style_analysis": "Instagram creator aesthetic, urban lifestyle fashion, contemporary streetwear portrait"
}

プロンプト全体をコピーし、必要に応じて独自の参考写真を使用してください。