Czterokolumnowa infografika instruktażowa

{
  "type": "infographic",
  "style": "clean, corporate, flat design, soft pastel colors, rounded corners, white background",
  "header": {
    "main_title": "[ChatGPTで画像を作るコツ]",
    "subtitle": "[良いプロンプトの書き方と、効果的な修正方法（2026年4月10日公開の要点）]",
    "top_right_badge": "OpenAI Academy / Creating images with ChatGPT"
  },
  "layout": {
    "columns": [
      {
        "color_theme": "blue",
        "header": "[1 良いプロンプトの書き方 (1〜3文で簡潔に)]",
        "item_count": 5,
        "icons": [
          "target",
          "landscape picture",
          "map pin",
          "paintbrush",
          "sliders"
        ]
      },
      {
        "color_theme": "green",
        "header": "[2 結果をよくする修正のコツ]",
        "item_count": 4,
        "icons": [
          "checkmark",
          "checkmark",
          "checkmark",
          "A/B comparison"
        ]
      },
      {
        "color_theme": "orange",
        "header": "[3 少し高度な使い方]",
        "item_count": 4,
        "icons": [
          "multiple images",
          "letter T",
          "bar chart",
          "magic wand"
        ]
      },
      {
        "color_theme": "purple",
        "header": "[4 注意点]",
        "item_count": 4,
        "icons": [
          "shield with check",
          "star",
          "document with check",
          "gavel"
        ]
      }
    ],
    "footer": {
      "left_section": {
        "title": "[プロンプト例 (1〜3文)]",
        "item_count": 3,
        "thumbnails": [
          "orange tabby cat",
          "coffee cup on white background",
          "blue bar chart"
        ]
      },
      "right_section": {
        "title": "[ワークフロー]",
        "step_count": 4,
        "icons": [
          "upload arrow",
          "sparkles",
          "A/B boxes",
          "checkmark"
        ],
        "flow_style": "horizontal with dashed arrows"
      }
    }
  }
}