【無敗詠天】光差す扉へ、羽舞う未来

無敗詠天が、開かれた扉の向こうの眩しい光へ踏み出す後ろ姿。舞い散る白い羽が、新しい始まりと希望に満ちた未来を予感させ、力強い一歩が印象的なイラストです。
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上記イラストを作成した際のプロンプトです。
※NanobananaPro を使用しています。
※下記に要素ごとに分解したプロンプトも記載していますので、自由に組み替えてご利用ください。
{
  "meta": {
    "image_quality": "High",
    "image_type": "Illustration"
  },
  "global_context": {
    "scene_description": "Anime-style illustration of a young person pushing open large wooden double doors to a blazing white light beyond; floating white feathers and dust motes scatter in warm rays; figure seen from behind in mid-step, hair and jacket blown by implied breeze.",
    "time_of_day": "Undefined (strong interior backlight suggesting bright daytime or otherworldly light)",
    "weather_atmosphere": "Serene, ethereal",
    "lighting": {
      "source": "Intense backlight (unnatural/portal-like)",
      "direction": "Backlit (light from beyond doors toward viewer)",
      "quality": "Soft with strong shafts/rays",
      "color_temp": "Warm"
    }
  },
  "color_palette": {
    "dominant_hex_estimates": ["#FFDFAA","#6B4A2B"],
    "accent_colors": ["red","teal"],
    "contrast_level": "High"
  },
  "composition": {
    "camera_angle": "Eye-level to slightly low",
    "framing": "Medium-shot (waist-up to knees), centered on door gap and figure",
    "depth_of_field": "Deep (foreground and midground sharp; background blown out)",
    "focal_point": "Bright doorway gap and figure's outstretched hands"
  },
  "objects": [
    {
      "id": "obj_001",
      "label": "Person (young, likely female presentation)",
      "category": "Person",
      "location": "Center-right",
      "prominence": "Foreground",
      "visual_attributes": {
        "color": "black hair, red jacket with yellow sleeves and pocket trim, teal hood, denim shorts",
        "texture": "Smooth cel-shaded clothing, soft hair strands visible",
        "material": "Fabric (cotton-like jacket), denim shorts",
        "state": "Clean, animated motion (winded)",
        "dimensions_relative": "Medium-large (primary subject)"
      },
      "micro_details": [
        "high ponytail with loose strands",
        "folds and flap of jacket blown outward",
        "stitch seam on back pocket visible",
        "subtle rim light on shoulders and hair"
      ],
      "pose_or_orientation": "Facing doorway, back to viewer, arms extended to push doors",
      "text_content": null
    },
    {
      "id": "obj_002",
      "label": "Wooden double doors",
      "category": "Architecture/Prop",
      "location": "Center",
      "prominence": "Midground/Foreground",
      "visual_attributes": {
        "color": "brown (warm wood tones)",
        "texture": "Polished wood panels with visible grain",
        "material": "Wood with brass handle",
        "state": "Intact, slightly ajar",
        "dimensions_relative": "Large (frame fills vertical span)"
      },
      "micro_details": [
        "panel grooves visible",
        "brass handle with faint highlight",
        "dust motes along edges"
      ],
      "pose_or_orientation": "Slightly open, left and right panels swung outward",
      "text_content": null
    },
    {
      "id": "obj_003",
      "label": "Feathers",
      "category": "Particles/Elements",
      "location": "Scattered throughout (foreground to background)",
      "prominence": "Foreground accents",
      "visual_attributes": {
        "color": "white",
        "texture": "Soft, fluffy",
        "material": "Feather",
        "state": "Floating",
        "dimensions_relative": "Small relative to frame"
      },
      "micro_details": [
        "motion blur on some feathers",
        "bright rim lighting and translucent edges"
      ],
      "pose_or_orientation": "Varied orientations, drifting toward viewer",
      "text_content": null
    },
    {
      "id": "obj_004",
      "label": "Light/Glow (portal)",
      "category": "Light",
      "location": "Center through doorway",
      "prominence": "Background (dominant)",
      "visual_attributes": {
        "color": "white to warm yellow",
        "texture": "Blinding, soft gradient",
        "material": null,
        "state": "Intense, radiant",
        "dimensions_relative": "Occupies vertical center gap fully"
      },
      "micro_details": [
        "radiating shafts and lens-flare-like streaks",
        "floating spark-like particles"
      ],
      "pose_or_orientation": "Emitted from beyond doors toward viewer",
      "text_content": null
    }
  ],
  "text_ocr": {
    "present": false,
    "content": []
  },
  "semantic_relationships": [
    "obj_001 is pushing obj_002 (hands on door edges)",
    "obj_004 casts rim light on obj_001 and obj_002",
    "obj_003 (feathers) float between obj_001 and viewer, illuminated by obj_004"
  ]
}

画像参照部分
※ご使用のGUIによってはタグ参照が利用できる場合があります。GUIをお使いの場合は、そのフォーマットに従ってください。
image1 is base character

下記のJSONプロンプトを組み合わせる際、冒頭に付けると効果的なプロンプトです。
Please generate a single illustration by integrating the following three JSON blocks: 1. Character Design, 2. Current State, and 3. Environment.

キャラクターの外見要素（固定デザイン）
下記プロンプトを使用すると、似たキャラクターを再現できます。
{
  "character_concept": {
    "label": "Young female character (Anime style)",
    "visual_attributes": {
      "color": "Black hair, red jacket with yellow sleeves and teal hood, blue denim shorts",
      "texture": "Smooth cel-shaded fabric, soft hair strands",
      "material": "Cotton-like jacket, denim fabric",
      "state": "Clean, adventure-ready attire",
      "dimensions_relative": "Medium-large primary subject"
    },
    "design_details": [
      "High ponytail with loose strands",
      "Red jacket with yellow sleeves and pocket trim",
      "Teal hood attached to jacket",
      "Denim shorts with visible back pocket stitching"
    ]
  }
}

キャラクターの変化要素（ポーズ・表情）
下記プロンプトを使用すると、似たポーズや表情を再現できます。
{
  "current_state": {
    "pose_or_orientation": "Standing with back to viewer, mid-step, arms extended forward pushing open double doors",
    "expression_details": [
      "Windblown hair and jacket indicating strong breeze",
      "Dynamic action pose",
      "Strong rim lighting outlining the silhouette",
      "Hands positioned on door panels"
    ]
  }
}

環境・その他の要素（背景・照明・画風）
下記プロンプトを使用すると、似た雰囲気のイラストを作ることができます。
{
  "global_context": {
    "scene_description": "Ethereal scene of wooden doors opening to a blinding portal light with scattering feathers",
    "time_of_day": "Undefined (Intense otherworldly light)",
    "lighting": {
      "source": "Intense portal backlight",
      "direction": "Backlit (from beyond doors toward viewer)",
      "quality": "Soft with strong light shafts/rays and lens flares",
      "color_temp": "Warm white/Yellow"
    }
  },
  "composition": {
    "camera_angle": "Eye-level to slightly low",
    "framing": "Medium-shot (waist-up to knees)",
    "depth_of_field": "Deep (Foreground sharp, background blown out by light)"
  },
  "environment_objects": [
    {
      "label": "Wooden Double Doors",
      "visual_attributes": {
        "color": "Warm brown wood tones",
        "texture": "Polished panels with grain",
        "material": "Wood and brass",
        "state": "Slightly ajar/opening",
        "dimensions_relative": "Large vertical frame"
      }
    },
    {
      "label": "Blinding Light/Portal",
      "visual_attributes": {
        "color": "White to warm yellow gradient",
        "texture": "Radiant, soft",
        "material": "Light energy",
        "state": "Intense, emitting rays",
        "dimensions_relative": "Fills door gap"
      }
    },
    {
      "label": "Floating Feathers",
      "visual_attributes": {
        "color": "White",
        "texture": "Fluffy, soft",
        "material": "Feather",
        "state": "Drifting, scattering",
        "dimensions_relative": "Small particles throughout scene"
      }
    }
  ]
}


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