Modern Webinar Promotional Banner

{
  "type": "webinar promotional banner",
  "style": "modern, bold typography, high contrast, diagonal split layout",
  "background": {
    "pattern": "faint grid of 40 sequential numbers from 01 to 40 spanning the entire canvas",
    "left_color": "vibrant magenta",
    "right_color": "black",
    "split_style": "sharp diagonal line from top center to bottom left"
  },
  "left_section": {
    "top_label": "{argument name=\"top label\" default=\"noteメンバーシップ限定ウェビナー\"}",
    "title": "{argument name=\"main title\" default=\"Claude Code\"}",
    "highlight_box_1": {
      "text": "{argument name=\"highlight text 1\" default=\"知らないと\"}",
      "style": "black text on white skewed rectangular background"
    },
    "highlight_box_2": {
      "text": "{argument name=\"highlight text 2\" default=\"損する\"}",
      "style": "black text on white skewed rectangular background"
    },
    "bottom_text": "40のワザ"
  },
  "right_section": {
    "top_right_label": "KAWAI LAB Vol.5",
    "subject": "portrait of a young Japanese woman, shoulder-length dark hair with bangs, wearing a black crew neck sweater, neutral expression, looking at camera",
    "middle_badge": {
      "text": "先着 100名 限定",
      "style": "white text with vertical line accent"
    },
    "bottom_right_date": "{argument name=\"date and time\" default=\"4.24 Fri. 12:10 - 12:50\"}"
  }
}