A Moment at an Unknown Station

{
  "portrait_prompt": {
    "subject": {
      "description": "Based on <User Portrait>, a young woman sitting alone on a metallic row of connected platform seats at a quiet Japanese JR train station. Body facing LEFT, but head turned back toward the camera in a relaxed 3/4 profile — a calm, unhurried gaze as if just noticed someone calling her name. Expression is serene and contemplative, the quiet confidence of a solo traveler.",
      "features": {
        "hair": "Long dark hair flowing naturally down shoulders and back, partially tucked under a soft gray knit beret/beanie",
        "eyes": "Calm, present, looking toward camera with gentle awareness — not posing, just acknowledging",
        "expression": "Peaceful and composed — the faintest trace of a soft smile, mostly just quiet contentment. The look of someone comfortable being alone in a beautiful place."
      },
      "pose": "Seated on metallic station bench, body angled to the LEFT side of frame, legs together, hands resting naturally on thighs or coat fabric. Torso twisted slightly back toward camera — the classic 'looking back over shoulder while seated' pose. The oversized coat drapes and pools around her on the metal seat, creating sculptural fabric folds."
    },
    "attire": {
      "type": "Based on user-uploaded clothing reference",
      "details": [
        "Maintain style from reference",
        "Outfit should be layered for cool Japanese autumn/winter weather"
      ],
      "color": "As per clothing reference"
    },
    "composition": {
      "shot_type": "Medium shot (seated, waist-up with some seat/leg visible)",
      "focal_length": "50mm f/2.8",
      "aperture": "f/2.8",
      "camera_angle": "Eye-level with seated subject — camera at the same height as her eyes while sitting, perfectly level",
      "camera_height": "Seated eye-level (approximately 1m from ground)",
      "framing": "Rule of thirds + contextual background — subject in LEFT third of frame, looking/turning back toward camera from the left. Generous right-side lead room showing the station platform receding. FG: metallic seat armrests and chair surfaces creating horizontal leading lines. MG: subject seated, sharp focus on face and upper body. BG: opposite platform with stone retaining wall, concrete steps with yellow-black safety stripes, a traditional Japanese wooden-roofed building, distant hint of ocean/sea through the gap, overcast blue sky with scattered clouds above.",
      "aspect_ratio": "3:2"
    },
    "lighting": {
      "type": "Overcast natural daylight — soft diffused light from cloudy sky, no direct sun, no harsh shadows",
      "direction": "Even top-down ambient from the open sky, with the station platform roof creating a natural overhead frame/shadow that darkens the top 15% of frame, naturally vignetting the subject underneath",
      "mood": "Cool, gentle, quiet — the light quality of a peaceful weekday afternoon at a seaside station. Skin is evenly lit with no contrast, shadows are soft and filled. The overcast sky acts as a giant softbox."
    },
    "color_palette": {
      "film_simulation": "Classic Chrome (CC)",
      "style": "Fujifilm Classic Chrome inspired color grading — ENHANCED BLUE SKY: push sky toward a richer cerulean/cobalt blue even through clouds, desaturated but COOL overall palette, muted earth tones on stone walls and metal, natural cool-neutral skin tones, the distinctive CC blue-gray shadow signature",
      "tones": [
        "Enhanced cerulean blue sky — richer and more vivid than reality, the CC blue pushed further",
        "Silver-gray metallic station furniture",
        "Cool gray coat fabric with subtle green undertone",
        "Warm stone/concrete wall — muted beige-gray",
        "Natural skin tones — cool-neutral, not warm"
      ],
      "grade_notes": [
        "highlight roll-off: soft, sky highlights retain blue tint rather than blowing to white",
        "shadow tint: blue-gray, distinctly cool — CC's signature cold shadow",
        "contrast curve: medium — enough snap for the metal textures but not harsh",
        "grain: subtle fine grain — authentic film travel feel",
        "BLUE CHANNEL BOOST: push blue saturation +15-20% specifically in sky and reflective surfaces, making the overcast sky read as a beautiful muted cerulean rather than flat gray"
      ]
    },
    "environment": {
      "setting": "JR Suma Station (須磨駅) platform, Kobe, Japan — a quiet local station on the JR Kobe Line near the sea",
      "background": "Across the tracks: a stone retaining wall with concrete blocks, a set of stairs with yellow-black safety stripes leading up, a small traditional Japanese wooden-roofed structure (station building or shrine), distant view of the sea/Osaka Bay through the gaps between structures. The sky above is overcast with scattered clouds but pushed toward a beautiful blue tone. Small green trees and utility elements visible.",
      "atmosphere": "The particular quiet beauty of a small Japanese coastal station — industrial metal furniture meets traditional architecture, the sound of distant waves implied by the sea glimpse, no crowds, unhurried pace. The station platform roof frame creates a natural cinematic letterbox effect at the top of the image."
    },
    "mood": "Solo traveler serenity — the beautiful loneliness of arriving at a quiet station in a small Japanese town. Not sad, but contemplative. The visual equivalent of 'I have nowhere to be, and that's perfect.'",
    "technical_tags": [
      "photorealistic",
      "natural daylight",
      "subtle film grain",
      "medium depth of field",
      "travel photography",
      "Japanese aesthetic"
    ],
    "character_reference": "Based on user-uploaded character reference",
    "clothing_reference": "Based on user-uploaded clothing reference",
    "negative_prompt": "harsh sunlight, hard shadows, flash, neon lighting, crowded platform, too many people, over-saturated, HDR, warm orange tones, sunset colors, studio lighting, posed fashion shoot feel, gray flat sky"
  }
}