ClaudeCode AI Corporate Training Banner

Create a refined Japanese corporate training banner using a wide horizontal web ad format, with a background gradient from deep navy blue to deep blue, dotted with faintly glowing network nodes and cables at the top and center, creating a high-tech AI and business atmosphere. On the right side, a bust of a confident businessman is placed, dressed in a deep navy blue suit, white shirt, blue striped tie, arms crossed and facing forward; Partially trim the top and right edges. On the left, a strong typographic hierarchy is established, with a small cyan heading at the top stating AI활용된 開発技能を、最短で習得, followed by an oversized bold white main title containing ClaudeCode Training. In the lower left area, three rounded rectangular function boxes are placed, with bright blue lines and dark interiors, accompanied by blue icons: the first box displays the terminal/code icon and text "Claude Code's Basics and Application"; the second box displays the rocket icon and text "開発速を수수的进进先"; the third box shows the duo/team icon and text "On-site, Immediately Utilize Skill". On the far right, a large blue slanted polygon annotation panel is overlayed, containing two lines of bold dark text, with the content Development from tomorrow\nchanging experience.。 Using clear, modern sans-serif Japanese fonts, it emphasizes high contrast, refined marketing design, clean spacing, bright teal accents, and the visual impact of high-end AI seminar ads.