{
  "visual_style_meta": {
    "style_id": "classic_business_visual_style_v1",
    "style_name": "Classic Business",
    "version": "1.0",
    "category": "presentation_visual_style",
    "folder": "09_classic_business"
  },
  "visual_identity": {
    "design_philosophy": "professional credibility through conservative structure, disciplined branding, and formal visual order",
    "visual_density": "medium",
    "whitespace_ratio": "20-35%",
    "composition_style": [
      "header-content-footer balance",
      "aligned business blocks",
      "formal information zones"
    ],
    "shape_language": [
      "clean rectangles",
      "brand bars",
      "stable left alignment"
    ]
  },
  "color_system": {
    "palette_type": "controlled",
    "max_colors": 3,
    "contrast_level": "medium-high",
    "recommended_palette": {
      "primary": "#1A237E",
      "secondary": "#FFFFFF",
      "accent": "#FF6F00"
    },
    "background_preference": [
      "white",
      "light gray",
      "brand-tinted neutral"
    ],
    "color_behavior": [
      "accent color used selectively",
      "palette consistency across the whole presentation",
      "avoid unnecessary decorative color variation"
    ]
  },
  "typography": {
    "typography_style": "corporate sans-serif",
    "font_families_primary": [
      "Arial",
      "Calibri",
      "Aptos",
      "Helvetica Neue"
    ],
    "font_families_secondary": [
      "Verdana",
      "Tahoma"
    ],
    "font_character": [
      "formal",
      "safe",
      "legible",
      "business-standard"
    ],
    "weight_usage": [
      "regular",
      "medium",
      "bold"
    ],
    "letter_spacing": "normal to slightly expanded",
    "line_height": "1.2-1.45"
  },
  "visual_elements": {
    "image_style": [
      "corporate photography",
      "team/business context images",
      "clean icons"
    ],
    "icon_style": [
      "corporate flat icons",
      "simple line icons"
    ],
    "graphic_style": [
      "clean rectangles",
      "brand bars",
      "stable left alignment"
    ]
  },
  "lighting_and_texture": {
    "lighting_style": [
      "neutral office lighting",
      "clean exposure"
    ],
    "texture_level": "low to medium",
    "surface_character": [
      "clean surfaces",
      "controlled texture",
      "presentation-safe readability"
    ]
  },
  "visual_psychology": {
    "perceived_values": [
      "trust",
      "stability",
      "professionalism",
      "control"
    ],
    "cognitive_effect": [
      "predictable scanning",
      "easy agenda tracking",
      "low interpretation friction"
    ]
  }
}