/*回上一頁*/
.back {
	/* padding:30px 0px 30px; */
}
	.back a ,
	.btn_area input{
        width: auto;
		min-width: clamp(6.25rem, 8.4375vw, 10.125rem); /* 100px , 8.4375vw , 162px */
	}
		.back a:hover {
			/* opacity:0.7; */
		}