Поп-обложка YouTube для разговорного стрима

A vibrant YouTube thumbnail featuring the upper body of the character from the reference image. The character is striking a cheerful, energetic pose with a bright smiling expression. Prominent large Japanese typography reads "[雑談]" with smaller furigana text "[ざつだん]" directly above it. Simple pop-art style background featuring bold [stripes]. High clarity, bright cheerful lighting, graphic design layout optimized for a video thumbnail.