Create a bright, high-impact Japanese YouTube thumbnail about diet-friendly eating, in a clean split composition. The left half is a white background filled with oversized bold Japanese headline text stacked vertically and diagonally for maximum readability: the top line says "カツ丼" in huge vivid orange with a thick white outline and soft drop shadow, below it "食べても" in dark brown, then "太らない方法" in hot pink with a white outline and a yellow underline swoosh, and at the bottom a gigantic red-orange "5" with white outline next to "選!" in dark brown with a white outline. Add small yellow sparkle a
