URL：https://png.pngtree.com/thumb_back/fw800/background/20231008/pngtree-light-blue-velvet-fabric-texture-a-stunning-background-choice-image_13611498.png
掲載元：https://ja.pngtree.com/freebackground/light-blue-velvet-fabric-texture-a-stunning-background-choice_13367804.html
