@media (min-width:841px) {
  .sp_nav {
    visibility: hidden;
  }
}


@media (max-width:840px){
.menu{
  position: fixed;
  top: 0;
  right: 0;
  width: 30px;
  height: 30px;
  margin-right: 5vw;
  margin-top: 10px;
  color: #015093;
  font-size: 40px;
  z-index: 2;
}

.panel{
  position: fixed;
  z-index: 3;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
}

.panel-inner{
  position: relative;
  width: 100%;
  height: 100%;
  margin-top: 60px;
  background: #F16B6C; /*IE8用*/
  background: rgba(1, 80, 131, .8);
  transition: all 0.5s;
}


.l-nav{
  position: fixed;
  top: 0;
  bottom: 0;
  width: 100%;
  height: 80%;
  margin: auto;
}

ul.nav {
  padding-top:20px;
}

.nav-item{
  font-size: calc(8px + 1.5vh);
  font-weight: bold;
  width: 100%;
  letter-spacing: 0.2em;
}

.nav-item > a{
  display: block;
  line-height: 3.0;
  color: #fff;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s;
}

.nav-item:hover > a{
  color: #fff;
  letter-spacing: 0.5em;
}

.close{
  position: fixed;
  top: 0;
  right: 0;
  background: url(/prj/prj-assets/prj-images/batsu.png);
  background-repeat: no-repeat;
  width: 40px;
  height: 40px;
  padding-right: 5px;
  margin-right: 3.6vw;
  margin-top: 10px;
  color: #FFF;
  background-color: #FFF;
  font-size: 40px;
}
}