Whiteboard-style explainer image in Japanese

A professor explaining at a whiteboard, converted using nano banana pro, in Japanese

Whiteboard explainer layout with diagrams, arrows, boxes and captions

Bright, even classroom lighting

Lecture/whiteboard teaching context

Whiteboard explainer illustration style with color

Use diagrams, arrows, boxes and captions to visually explain the core idea, and use color; suggestion: make a hard-light and a soft-light version separately, then compare before deciding direction