URL：https://static.vecteezy.com/system/resources/previews/010/760/625/large_2x/si-logo-s-i-design-white-si-letter-si-letter-logo-design-initial-letter-si-linked-circle-uppercase-monogram-logo-vector.jpg
掲載元：https://www.vecteezy.com/vector-art/10760625-si-logo-s-i-design-white-si-letter-si-letter-logo-design-initial-letter-si-linked-circle-uppercase-monogram-logo
