/* index */
.hair-center ul li{opacity: 0;transform: scale(0.3);position: relative;transition-duration: 1s;}
.yh-promise .yh-title{opacity: 0;transition-duration: 1s;}
.yh-promise .boxfir li{opacity: 0;transition-duration: 1s;}
.merit li{position: relative;top: 90%;transition-duration: 1s;}
/* .active */
.active .hair-center ul li{opacity: 1;transform: scale(1); transition-duration: 1s; transition-delay: 0s;}
.active .hair-center ul li:nth-child(1){transition-delay: 0.5s;}
.active .hair-center ul li:nth-child(2){transition-delay: 0.6s;}
.active .hair-center ul li:nth-child(3){transition-delay: 0.7s;}
.active .hair-center ul li:nth-child(4){transition-delay: 0.8s;}
.active .yh-promise .yh-title{opacity: 1;transition-duration: 1s; }
.active .yh-promise .boxfir li{opacity: 1;transition-duration: 1s;transition-delay: 0.8s; }
.active .merit li{top: 0;transition-duration: 1s;}