/* 악기소개 */
.instrumentBox > .inner {overflow:hidden;}
.instrumentBox > .inner > .instrument {float:left; max-width:10rem; height:7.9rem;}
.instrumentBox > .inner > .bu_st1 {float:left; width:calc(100% - 12rem); margin-left:1.5rem;}


@media screen and (max-width:560px){
	
	/* 악기소개 */	
	.instrumentBox > .inner > .instrument {left:50%; transform: translateX(-50%);}
	.instrumentBox > .inner > .bu_st1{width:100%;  margin:1rem 0 0 0;}
}