URL：https://static.vecteezy.com/system/resources/previews/026/306/485/non_2x/number-five-icon-5-round-circle-digit-letter-count-down-counter-numeral-5th-math-sign-symbol-black-artwork-graphic-illustration-clipart-eps-vector.jpg
掲載元：https://www.vecteezy.com/vector-art/26306485-number-five-icon-5-round-circle-digit-letter-count-down-counter-numeral-5th-math-sign-symbol-black-artwork-graphic-illustration-clipart-eps-vector
