@charset "utf-8";


/*============
nav
=============*/
nav {
  display: block;
  position: fixed;
  top: 0;
  left: -300px;
  bottom: 0;
  width: 300px;
  background: #fff;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transition: all .5s;
  z-index: 3;
  opacity: 0;
}
.open nav {
  left: 0;
  opacity: 1;
}
nav .inner {
  padding: 25px;
}
nav .inner ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
nav .inner ul li {
  position: relative;
  margin: 0;
  border-bottom: 1px solid #333;
}
nav .inner ul li a {
  display: block;
  color: #545454;
  font-size: 1rem;
  padding: 1em;
  text-decoration: none;
  transition-duration: 0.2s;
    text-align:center;
}
nav .inner ul li a:hover {
  background:#cccccc70;
}
@media screen and (max-width: 767px) {
  nav {
    left: -220px;
    width: 220px;
  }
}
/*============
.toggle_btn
=============*/
.toggle_btn {
  display: block;
  position: fixed;
  top: 20px;
  left: 30px;
  width: 30px;
  height: 30px;
  transition: all .5s;
  cursor: pointer;
  z-index: 3;
}
.open .toggle_btn {
  left: 330px;
}
.toggle_btn span {
  display: block;
  position: absolute;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: #597d09;
  border-radius: 4px;
  transition: all .5s;
}
.toggle_btn span:nth-child(1) {
  top: -8px;
}
.toggle_btn span:nth-child(2) {
  top: 2px;
}
.toggle_btn span:nth-child(3) {
  bottom: -4px;
}
.open .toggle_btn span {
  background-color: #fff;
}
.open .toggle_btn {
  -webkit-transform: rotate(360deg);
  transform: rotate(360deg);
}
.open .toggle_btn span:nth-child(1), .open .toggle_btn span:nth-child(3) {
  width: 16px;
}
.open .toggle_btn span:nth-child(1) {
  -webkit-transform: translate(-1px,4px) rotate(-45deg);
  transform: translate(-1px,4px) rotate(-45deg);
}
.open .toggle_btn span:nth-child(3) {
  -webkit-transform: translate(-1px,-4px) rotate(45deg);
  transform: translate(-1px,-4px) rotate(45deg);
}
@media screen and (max-width: 767px) {
  .open .toggle_btn {
    left: 250px;
  }
	.toggle_btn{
		display: block;
    position: fixed;
    top: 28px;
    left: 11px;
    width: 50px;
    height: 38px;
    transition: all .5s;
    cursor: pointer;
    z-index: 3;
    background: #055a2b57;
    /* padding: 3px; */
    border-radius: 5px;
    /* text-align: center; */
    /* margin: 0px; */
	}
	.toggle_btn span{
		    display: block;
    position: absolute;
    left: 0;
    width: 30px;
    height: 4px;
    /* background-color: #597d09; */
    border-radius: 4px;
    transition: all .5s;
    background: #fff;
    margin-left: 9px;
	}
	
	.toggle_btn span:nth-child(1){
		    top: -3px;
		
	}
		.toggle_btn span:nth-child(2){
		    top: 7px;
		
	}
	.toggle_btn span:nth-child(3){
		    bottom: -3px;
	}	
}
/*============
#mask
=============*/
#mask {
  display: none;
  transition: all .5s;
}
.open #mask {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  opacity: .8;
  z-index: 2;
  cursor: pointer;
}
/*============
main
=============*/
main {
  width: 100%;
  transition: all .5s;
}
.open main {
  margin-left: 300px;
}
main h1 {
  font-family: 'Open Sans', sans-serif;
  font-weight: 400;
  text-align: center;
}
/*============
body
=============*/