/*上から落ちるアニメーション*/
.fall-in {
  opacity: 0;
  transform: translateY(-150px);
  transition: all 1.5s ease-out;
　transition-delay: 0.8s;
}

.fall-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.i_parts {
	top:18%;
    left:1.5%;
}
/*
#month_ago {
    top: 65%;
    left: 11%;
    font-size: 2em;
    font-weight: bold;
    color: white;    
}
#two_months_ago {
    top: 48.3%;
    left: 11%;
    font-size: 2em;
    font-weight: bold;
    color: white;
}
@media screen and ( max-width:750px ){
    #month_ago {
        top: 65.3%;
    	font-size: 1em;  
}
	#two_months_ago {
        top: 48.5%;
    	font-size: 1em;
	}
}*/