Nano Banana Prompt: Cozy Storybook Illustration Style

Prompt

{   "design_system": {     "metadata": {       "style_name": "Cozy Storybook Illustration",       "target_audience": "Children / Family",       "reference_source": "Uploaded Image",       "version": "3.0"     },     "visual_parameters": {       "medium": {         "primary": "Colored Pencil",         "secondary": "Watercolor Wash (Variation only)",         "application": "Hand-drawn",         "texture": {           "type": "Visible pencil strokes",           "quality": "Slightly rough outlines",           "finish": "Non-realistic / No photo texture"         }       },       "line_work": {         "style": "Clean line art",         "weight": "Slightly rough/organic",         "clarity": "High"       },       "color_theory": {         "base_tone": "Warm and friendly",         "palette_type": "Vibrant Pastel",         "adjustments": {           "brightness": "Increased / High-key",           "saturation": "Enhanced but natural",           "contrast": "Soft"         }       },       "lighting_and_shading": {         "shadows": "Minimal",         "highlights": "Soft",         "rendering": "Flat yet detailed",         "gradients": "Subtle watercolor layers (Variation only)"       }     },     "subject_geometry": {       "anatomy": {         "proportions": "Semi-cartoon realistic",         "scale": "Storybook style"       },       "facial_features": {         "eyes": "Dot style",         "mouth": "Small smile",         "complexity": "Simple / Minimalist"       }     },     "atmosphere": {       "mood": [         "Cozy",         "Cheerful",         "Warm",         "Friendly"       ],       "genre_tags": [         "Children's Book",         "Lifestyle Sketch",         "Storybook Illustration"       ]     }   },   "generation_configs": {     "negative_prompt_tokens": [       "realism",       "photorealistic",       "photo texture",       "dark colors",       "complex shading",       "3d render"     ],     "prompt_variations": [       {         "id": "PROMPT_001",         "variant_name": "Textured Colored Pencil",         "focus": "Texture and Stroke",         "full_text": "Illustration style: hand-drawn colored pencil illustration, clean line art with slightly rough pencil outlines, soft pastel coloring with increased brightness, lighter and more vivid color tones, enhanced saturation while staying natural, visible pencil strokes and gentle shading texture, warm and...