@media screen and (max-width: 740px) {


nav{-webkit-transition: 0.3s ease-in-out;-moz-transition: 0.3s ease-in-out;transition: 0.3s ease-in-out;}
a:hover {text-decoration: none !important;}
.overlay {
position: fixed;
top: 0;
left: 0;
display: none;
width: 100%;
height: 100%;
/*background: #0270D2;*/
background: #333;
opacity: 0.5;
filter: alpha(opacity=70);
-ms-filter: "alpha(opacity=70)";
z-index: 9;
}

header .inner {
position:relative;
padding:1.5em;
-webkit-box-sizing:border-box;
-moz-box-sizing:border-box;
box-sizing:border-box;
}
header nav {
overflow:auto;
position: fixed;
top: 0;
left: -70%;
width: 70%;
max-width:320px;
height: 100%;
background: rgba(255, 255, 255, 1);
opacity: 0;
z-index:9999;
box-shadow: 0 0 2px gray;
}

header.navOpen nav {
opacity: 1;
left: 0;
}

header nav ul{
margin: 0;
padding-inline-start: 0;
}

header nav ul li#nav00 a{border: none;}
header nav ul li {border-bottom: 1px solid  #DCDDDD;}
header nav ul li a {
position:relative;
display:block;
padding: 1em 2.5em 1em 1.5em;
text-decoration:none;
color: #000!important;
text-decoration:none !important;
font-size:16px;
}

header nav ul li a:hover {
background:rgba(255,255,255,0.4);
}

header nav ul li a:before {
position: absolute;
top: 50%;
right: 1.5em;
display: inline-block;
content: "";
width: 7px;
height: 7px;
margin-top: -4px;
margin-right: -4px;
vertical-align: middle;
border-top: 3px solid;
border-right: 3px solid #0059B2;
border-top: 3px solid #0059B2;
-webkit-transform: rotate(45deg);
transform: rotate(45deg);
-ms-transform: rotate(45deg);
}

header .navBtn {
display: block;
/* width: 64px; */
height: 41px;
position: absolute;
top: 8px;
right: 5px;
cursor: pointer;
padding: 14px 16px 16px 20px;
z-index: 11;
}
header .navBtn:after{font-family: "Mplus 1p";width: 53px;position: absolute;top: 38px;left: 11px;right:0;text-align:center;content: 'メニュー';font-size: 10px;color: #0059B2;}
header.navOpen .navBtn:after{width: 50px;height: 50px;position: absolute;top: 36px;left: 8px;right:0;text-align:center;content: '閉じる';font-size: 10px;color: #0059B2;}
header .navBtn span {
display: block;
height: 3px;
width: 32px;
background: #0059B2;
border-radius: 0px;
-webkit-transition: all .5s ease-in-out;
-moz-transition: all .5s ease-in-aout;
transition: all .5s ease-in-out;
}
header .navBtn span:nth-of-type(2),
header .navBtn span:nth-of-type(3) {
margin-top: 6px;
}

header.navOpen .navBtn span:nth-of-type(1) {
-webkit-transform: translateY(9px) translateX(0) rotate(45deg);
-ms-transform: translateY(9px) translateX(0) rotate(45deg);
transform: translateY(6px) translateX(0) rotate(45deg);
background: #0059B2;
}
header.navOpen .navBtn span:nth-of-type(2) {
margin-top: 5px;
opacity: 0;
-webkit-transform: translateY(9px);
-ms-transform: translateY(9px);
transform: translateY(9px);
background: #0059B2;
}
header.navOpen .navBtn span:nth-of-type(3) {
-webkit-transform: translateY(-9px) translateX(0) rotate(-45deg);
-ms-transform: translateY(-9px) translateX(0) rotate(-45deg);
transform: translateY(-9px) translateX(0) rotate(-45deg);
background: #0059B2;
}


}