URL：https://static.vecteezy.com/system/resources/previews/011/563/929/large_2x/dd-logo-dd-design-blue-and-red-dd-letter-dd-letter-logo-design-initial-letter-dd-linked-circle-uppercase-monogram-logo-vector.jpg
掲載元：https://www.vecteezy.com/vector-art/11563929-dd-logo-dd-design-blue-and-red-dd-letter-dd-letter-logo-design-initial-letter-dd-linked-circle-uppercase-monogram-logo
