vertical 2:3, Japanese children's picture-book / anime flat illustration, clean shapes, old bookshop interior filling the whole background (floor-to-ceiling dark wooden bookshelves packed with colorful book spines + a rolling ladder leaning against the left shelf + warm pendant lamp light from above casting golden pools), bottom foreground scattered open books and stacked volumes on a worn wooden floor, top-center the warm pendant lamp with a green glass shad…
