【米之ラン】神秘的な光と廃墟の少女

オリジナルキャラクターの米之ランが、崩れた柱や瓦礫が散らばる廃墟で、上から差し込む神秘的な光を見上げています。金と緑の光が舞い、幻想的な雰囲気を醸し出す一枚です。
📥 オリジナル画像をダウンロード

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 young girl with white hair and green eyes stands centered in a ruined cavern or collapsed temple; beams of warm yellow and green light stream from an opening above, illuminating dust particles and floating rubble. Broken stone columns and jagged rock form a dark, debris-filled background; atmosphere is magical/solemn.",
    "time_of_day": "Indeterminate (strong overhead light suggesting daytime opening)",
    "weather_atmosphere": "Clear interior with suspended dust/particles (serene, slightly mystical)",
    "lighting": {
      "source": "Natural (opening above) with colored ambient",
      "direction": "Top-down",
      "quality": "Soft with shafts (diffused beams + pockets of harder highlights)",
      "color_temp": "Mixed (warm yellow + cool green)"
    }
  },
  "color_palette": {
    "dominant_hex_estimates": ["#24302E","#CFEDE0","#8AC46A"],
    "accent_colors": ["green","warm yellow"],
    "contrast_level": "Medium"
  },
  "composition": {
    "camera_angle": "Eye-level",
    "framing": "Medium-shot (torso and head centered)",
    "depth_of_field": "Moderate (foreground subject sharp, background slightly softened)",
    "focal_point": "Girl's face (green eyes) lit by overhead beams"
  },
  "objects": [
    {
      "id": "obj_001",
      "label": "Girl",
      "category": "Person (anime character)",
      "location": "Center",
      "prominence": "Foreground",
      "visual_attributes": {
        "color": "white hair, pale skin, green eyes, white/green hoodie",
        "texture": "smooth anime shading, soft hair highlights",
        "material": "fabric (hoodie), skin (animated)",
        "state": "clean, undamaged",
        "dimensions_relative": "Medium relative to frame (occupies central vertical third)"
      },
      "micro_details": [
        "short bob haircut with blunt ends",
        "green hair clip (X-shaped) on left",
        "subtle blush on cheeks",
        "hoodie strings visible, four-leaf clover emblem on chest"
      ],
      "pose_or_orientation": "Standing, facing forward, slightly looking upward",
      "text_content": null
    },
    {
      "id": "obj_002",
      "label": "Rubble and columns",
      "category": "Architecture/debris",
      "location": "Surrounding background (left/right/top)",
      "prominence": "Background",
      "visual_attributes": {
        "color": "muted grays, brown undertones",
        "texture": "cracked stone, rough, jagged edges",
        "material": "stone/concrete",
        "state": "broken, crumbling",
        "dimensions_relative": "Large relative to frame (fills background)"
      },
      "micro_details": [
        "floating rock fragments",
        "vertical broken column segments",
        "fine dust clouds near base"
      ],
      "pose_or_orientation": "Static fragments suspended, tilted columns"
    },
    {
      "id": "obj_003",
      "label": "Light shafts and particles",
      "category": "Environmental effect",
      "location": "Top to center",
      "prominence": "Foreground/Background blend",
      "visual_attributes": {
        "color": "warm yellow, pale green",
        "texture": "soft beams with grainy particle specks",
        "material": null,
        "state": "luminous, airy",
        "dimensions_relative": "Extensive (covering upper frame)"
      },
      "micro_details": [
        "tiny glowing particles scattered throughout",
        "gradient glow where beams hit dust"
      ],
      "pose_or_orientation": "Top-down shafts intersecting subject"
    }
  ],
  "text_ocr": {
    "present": false,
    "content": []
  },
  "semantic_relationships": [
    "obj_003 (light shafts) illuminates obj_001 (girl)",
    "obj_002 (rubble) surrounds and frames obj_001",
    "floating fragments overlap depth layers between obj_001 and background"
  ]
}

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": "Anime-style young girl (White hair / Green eyes)",
    "visual_attributes": {
      "color": "White hair, pale skin, green eyes, white and green hoodie.",
      "texture": "Smooth anime shading, soft hair highlights.",
      "material": "Fabric (hoodie), skin.",
      "state": "Clean, undamaged.",
      "dimensions_relative": "Medium (occupies central vertical third)"
    },
    "design_details": [
      "Short bob haircut with blunt ends.",
      "Green X-shaped hair clip on left side.",
      "Four-leaf clover emblem on hoodie chest.",
      "Hoodie strings visible."
    ]
  }
}

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 centered, facing forward, slightly looking upward.",
    "expression_details": [
      "Subtle blush on cheeks.",
      "Serene, solemn expression.",
      "Gaze directed upward toward light."
    ]
  }
}

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": "A ruined cavern or collapsed temple with jagged rock and broken stone columns. Beams of warm yellow and green light stream from an opening above, illuminating dust particles and floating rubble in a dark, debris-filled background.",
    "time_of_day": "Indeterminate (Strong overhead light suggesting daytime)",
    "lighting": {
      "source": "Natural opening above (Top-down) with colored ambient",
      "direction": "Top-down shafts",
      "quality": "Soft diffused beams with pockets of hard highlights",
      "color_temp": "Mixed (warm yellow + cool green)"
    }
  },
  "composition": {
    "camera_angle": "Eye-level",
    "framing": "Medium-shot (torso and head centered)",
    "depth_of_field": "Moderate (foreground subject sharp, background slightly softened)"
  },
  "environment_objects": [
    {
      "label": "Rubble and columns",
      "visual_attributes": {
        "color": "Muted grays, brown undertones",
        "texture": "Cracked stone, rough, jagged edges",
        "material": "Stone, concrete",
        "state": "Broken, crumbling, floating fragments",
        "dimensions_relative": "Large background fill"
      }
    },
    {
      "label": "Light shafts and particles",
      "visual_attributes": {
        "color": "Warm yellow, pale green",
        "texture": "Soft beams, grainy particle specks",
        "material": "Light, dust",
        "state": "Luminous, airy",
        "dimensions_relative": "Extensive (upper frame)"
      }
    }
  ]
}


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