URL：https://static.vecteezy.com/system/resources/previews/007/194/616/non_2x/bsu-letter-logo-design-on-white-background-bsu-creative-initials-letter-logo-concept-bsu-letter-design-vector.jpg
掲載元：https://www.vecteezy.com/vector-art/7194616-bsu-letter-logo-design-on-white-background-bsu-creative-initials-letter-logo-concept-bsu-letter-design
