URL：https://static.vecteezy.com/system/resources/thumbnails/008/561/532/small_2x/4-numeric-alphabet-lgbtqia-pride-month-world-equality-flag-abstract-mountain-geography-contour-map-3d-layer-cutout-paper-card-free-vector.jpg
掲載元：https://www.illustcopy.com/illust/圖案/數字4圖案/
