@charset "utf-8";
/*================================================
  404

================================================*/

#err404{
  width: calc(100% - 4rem);  
	max-width: 1100px;
	margin:0 auto;
  margin-top: 8rem;
  margin-bottom: 10rem;
}
@media screen and (max-width: 599px) {
  #err404 {
    width: calc(100% - 3.2rem);   
  }
}

#err404 .err404_content {
  max-width: 900px;
  margin: 0 auto;
}

#err404 h2 {
	font-size: 10rem;
  line-height: 1.5;
  letter-spacing: 0.1em;
  text-transform: uppercase;  
  color: #0b4199; 
	border-bottom: 4px solid #0b4199;
}
#err404 h2 span:first-child {
  color: #9596c4;
}
@media screen and (max-width:767px) {
  #err404 h2,
  #err404 h2 span:first-child {
	  font-size: 8rem;
  }
}
@media screen and (max-width:599px) {
  #err404 h2,
  #err404 h2 span:first-child {
    font-size: 6rem;
  }
}

#err404 h2 span:last-child {
  display: block;
	font-size: 3.2rem;
  line-height: 1.5;
  color: #333;
}
@media screen and (max-width:767px) {
  #err404 h2 span:last-child {
	  font-size: 2.4rem;
  }
}
@media screen and (max-width:599px) {
  #err404 h2 span:last-child {
    font-size: 2rem;
  }
}


/* →付ボタン
================================================*/
.btn{
	position: relative;
	text-decoration: none;
	display: block;/*block長いボタンinline-block短い*/
	background:#333;
	color:#fff;
  padding: 10px 40px 10px 30px;
	border-radius:25px;
  text-align: center;
  outline: none;
  transition: ease .2s;
}

.btn:hover{
	background:#555;
  color: #fff;
}

.btnarrow::after{
  content: '';
	position: absolute;
  top:42%;
  right: 13px;
  /*矢印の形*/
  width: 5px;
  height: 5px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: rotate(45deg);
}

.btnarrow:hover::after{
  animation: arrow .5s;
}

@keyframes arrow {
  50% {
    right: 10px;
  }
  100% {
    right: 13px;
  }
}