#wrap {
	max-width: 100%;
	min-width: 300px;
}

.service_information img, .key_visual img, .main_banner img{
    max-width: 100%;
    min-width: 300px;
	display: block;
}

.user_guide img {
    max-width: 100%;
    min-width: 300px;
	display: block;
	max-height: 2713px;
}

.customer_service img {
    max-width: 100%;
    min-width: 300px;
	display: block;
	max-height: 1561px;
}

.merchant_Guide img {
    max-width: 100%;
    min-width: 300px;
	display: block;
	max-height: 1960px;
}