.m-nav {
  position: fixed;
  top: 5rem;
  left: 0;
  width: 100%;
  height: calc(100vh - 5rem);
  z-index: 99;
  display: none;
  background-color: #FFFFFF;
  overflow-y: scroll;
  box-sizing: border-box;
  -webkit-transition: all 0.5s ease;
  transition: all 0.5s ease;
}
.m-nav > ul {
  padding-top: 10px;
  padding-left: 5%;
  padding-right: 5%;
  padding-bottom: 5%;
  box-sizing: border-box;
}
.m-nav > ul > li {
  position: relative;
  width: 100%;
  text-align: left;
  box-sizing: border-box;
  list-style: none;
  border-bottom: #dcdddd solid 1px;
}
.m-nav > ul > li a {
  display: block;
  line-height: 1.7;
  color: #242728;
  font-size: 1.35rem;
  padding: 1.2rem 0;
  -webkit-transition: all 0.4s ease;
  transition: all 0.4s ease;
}
.m-nav > ul > li .headtitle {
  position: relative;
  display: block;
  line-height: 1.7;
  color: #242728;
  font-size: 1.35rem;
  padding: 1.2rem 0;
  padding-right: 2.5rem;
  box-sizing: border-box;
  -webkit-transition: all 0.4s ease;
  transition: all 0.4s ease;
}
.m-nav > ul > li .headtitle a {
  display: inline-block;
  padding: 0;
}
.m-nav > ul > li .headtitle.on>a{
	color: #c4161c;
}
.m-nav > ul > li .headtitle i {
  position: absolute;
  right: 0;
  top: 0;
  width: 2.5rem;
  height: 100%;
  background: url(../images/m-arrow.svg) center no-repeat;
  background-size: 45% auto;
  transition: all 0.4s ease;
}
.m-nav > ul > li .headtitle.on {
  color: #c4161c;
}
.m-nav > ul > li .headtitle.on i {
  background: url(../images/m-arrow1.svg) center no-repeat;
  background-size: 45% auto;
}
.m-nav > ul > li ul {
  display: none;
  padding-left: 1.35rem;
  border-top: #dcdddd solid 1px;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}
.m-nav > ul > li ul li {
  list-style: none;
}
.m-nav > ul > li ul li a {
  display: block;
  /*font-size: 1.28rem;*/
  padding: 0.8rem 0px;
}
.m-nav > ul > li ul li:hover > a {
  color: #c4161c;
}
.m-nav > ul > li ul li .headtitle{
	/*font-size: 1.28rem;*/
	padding: 0.8rem 0px;
	padding-right: 2.5rem;
  box-sizing: border-box;
}

.m-nav > ul > li:hover > a {
  color: #c4161c;
}