YouTube 缩略图 - Japanese Udemy Course Sale Thumbnail

{
  "type": "Japanese Udemy course promotional thumbnail / social media banner",
  "aspect_ratio": "wide 16:9, 1200x675 style",
  "overall_style": "high-conversion online course ad, premium dark navy and black digital workspace background, glowing gold typography, cinematic lighting, sharp commercial compositing, dramatic contrast, bokeh particles, subtle tech UI squares and cloud/file icons",
  "main_subject": {
    "position": "right third",
    "description": "adult presenter from waist up wearing bright blue medical-scrub-like top, face intentionally blurred or covered by a soft rectangular mosaic for anonymity, curly vivid blue afro-style hair, one arm raised with index finger pointing upward, other arm holding a closed silver laptop against the body",
    "expression": "not visible due to face blur",
    "pose": "confident instructor pose pointing to the top-left offer banner"
  },
  "background": {
    "setting": "dark office or study room with shelves and storage boxes, warm desk lamp glow, floating digital folder and cloud motifs, scattered gold light particles and thin geometric lines",
    "mood": "organized, trustworthy, digital productivity"
  },
  "typography": {
    "primary_headline": "{argument name=\"main headline text\" default=\"情報整理で人生は変わる\"}",
    "headline_position": "large center-left, stacked in multiple lines",
    "headline_style": "oversized Japanese Mincho/serif type, gold gradient with bright outer glow and subtle shadow; the smaller connecting characters are white",
    "top_copy": "{argument name=\"top copy\" default=\"探し物をなくして、行動を取り戻す\"}",
    "top_copy_position": "top center-left in white Japanese serif text",
    "subheadline": "{argument name=\"course subtitle\" default=\"デジタル整理講座\"}",
    "subheadline_position": "below headline centered-left with thin horizontal gold divider lines",
    "offer_banner": {
      "position": "upper left below top copy",
      "shape": "red horizontal ribbon with angled ends and gold outline",
      "text": "{argument name=\"offer text\" default=\"Udemy講座 95%OFF\"}",
      "style": "white bold serif text, large 95%OFF emphasized"
    }
  },
  "layout": {
    "sections": [
      {
        "title": "top message",
        "position": "top center-left",
        "count": 1,
        "labels": [
          "探し物をなくして、行動を取り戻す"
        ]
      },
      {
        "title": "red discount ribbon",
        "position": "upper left",
        "count": 1,
        "labels": [
          "Udemy講座 95%OFF"
        ]
      },
      {
        "title": "main headline block",
        "position": "center-left",
        "count": 1,
        "labels": [
          "情報整理で人生は変わる"
        ]
      },
      {
        "title": "course subtitle block",
        "position": "lower center-left",
        "count": 1,
        "labels": [
          "デジタル整理講座"
        ]
      },
      {
        "title": "device feature strip",
        "position": "below subtitle",
        "count": 3,
        "labels": [
          "PC",
          "スマホ",
          "クラウド"
        ]
      },
      {
        "title": "bottom benefit cards",
        "position": "bottom row",
        "count": 3,
        "labels": [
          "1日5分で整う",
          "7ステップで実践",
          "5/3 22:00まで"
        ]
      },
      {
        "title": "round benefit badge",
        "position": "lower right overlapping laptop",
        "count": 1,
        "labels": [
          "ムダな検索時間をゼロにして、時間と集中力を取り戻す"
        ]
      }
    ]
  },
  "graphic_elements": {
    "bottom_cards": "three rectangular dark cards with thin gold borders, each with one gold icon: clock icon for 1日5分で整う, checklist icon for 7ステップで実践, calendar icon for 5/3 22:00まで",
    "feature_strip": "dark elongated outlined plaque with small gold icons for desktop monitor, smartphone, and cloud followed by white text PC・スマホ・クラウドを標準機能だけで整える",
    "badge": "black circular seal with gold rim and laurel leaves, mixed white and gold Japanese text, placed over the presenter and laptop",
    "decorations": "glowing file folder icon at far left, small cloud icons, floating squares, gold sparkles and lens flare accents"
  },
  "color_palette": "black, midnight navy, luminous gold, white, crimson red, bright scrub blue, warm amber highlights",
  "composition": "left side dominated by text hierarchy and promotional information, right side dominated by human presenter; ensure all Japanese text is crisp, readable, correctly spelled, and arranged like a professional Udemy sale thumbnail",
  "negative_prompt": "no extra people, no unreadable gibberish, no distorted hands, no duplicated fingers, no random English text, no clutter covering the headline"
}