AI 生成研讨会宣传横幅提示词示例｜16:9 YouTube 缩略图模板

16:9 horizontal, YouTube thumbnail style, high-impact Japanese text banner for a generative AI webinar announcement.

Overall impression: dynamic, cutting-edge, professional, high energy, eye-catching.

Background: dark gradient (deep indigo to black), no white base, ensure high contrast for text and subject.

Colors: main = electric blue (#0078ff), accent = vivid magenta (#ff00aa) for highlights and sparkles.

Symbolic visual elements: abstract circuit board lines, glowing AI brain network, floating data particles, a futuristic digital globe, speed lines, subtle grid overlay, all naturally placed.

Title (top, large): 「生成AIウェビナー」

Main headline (center, boldest): 「仕事が変わる」

Character: a stylish silhouette or simple vector avatar of a professional person (head only or half-body) facing forward, with a glowing neural network pattern inside silhouette, no realistic face details, central large presence.

Other text: small subtitle below headline: 「参加無料・先着100名」

Layout: top title large, center main headline huge and bold, character centered behind text, subtitle bottom. All text white with thick dark outline, strong contrast. No extra decorative text, no URLs, no logos, no watermarks.

Instructions: render the specified Japanese text exactly as given inside 「」. Do not draw any other text, English words, URLs, logos, or watermarks.