URL：https://png.pngtree.com/png-clipart/20230913/original/pngtree-buoy-clipart-lifesaver-on-a-buoy-floating-on-the-ocean-cartoon-png-image_11059807.png
掲載元：https://ja.pngtree.com/freepng/buoy-clipart-lifesaver-on-a-buoy-floating-on-the-ocean-cartoon-vector_11059807.html
