@charset "UTF-8";
header{
    z-index: 10;
	position: sticky;
}
nav{
    display: block;
	width: 100vw;
    position: fixed;
    background-image: url(../img/background/white-background.png);
    background-size: cover;   
    top: 0;
    left:-100vw;
    bottom: 0;
    transition: all 0.5s;
    z-index:3;
    opacity: 0;
}
.nav-img img{
   width: 120px;
   height: auto;
   margin:20px auto;
}
.open nav{
    left: 0;
    opacity: 1;
}
nav.inner{
    height: 100vh;
}
nav.inner ul{
    padding: 0;
    list-style: none;
    margin: 0;
    text-align: center;
}
nav.inner ul li{
    padding: 1vh 0;
    display: flex;
    justify-content: center;
}
nav.inner li a{
   width: 300px;
    text-decoration: none;
    display:block;
    color:#294e7e;
    transition-duration: 0.2s;
    font-family:Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    border-bottom: 1px solid #294e7e;
}
.inner-text-25px{
    font-size: 2vw;
}
.inner-text-active{
    color:#8a8ab9;
}
.toggle-btn{
    background-color: #004aad;
    border-radius: 30px;
    display: block;
    position: fixed;
    top:37px;
    right: 39px;
    height: 80px; 
    width: 80px;
    z-index: 3;
    cursor: pointer;
    transition: all 0.5s;
    border:solid #fff 1px ;
}
.toggle-btn span{
position: absolute;
display: block;
height: 3px;
background-color:#fff;
transition: all 0.5s;
}
.toggle-btn span:nth-child(1){width: 40%; top: 25px;left: 10%;}
.toggle-btn span:nth-child(2){width: 40%;top: 37px;left: 30%;}
.toggle-btn span:nth-child(3){width: 40%;bottom: 25px;left: 50%;}
.open .toggle-btn{transform:rotate(45deg);outline: 1px solid #004aad;outline-offset: 3px;}
.open .toggle-btn span{background-color:#fff;}
.open .toggle-btn span:nth-child(1){width: 50%;transform:translateX(13px)translateY(14px)rotate(-90deg);}
.open .toggle-btn span:nth-child(2){opacity: 0;}
.open .toggle-btn span:nth-child(3){width: 50%; transform:translateX(-18px)translateY(-11px)rotate(0deg);}
#mask{display: none;
    transition:  all 0.5s;
    z-index: 1;
    }
    .open #mask{
    display: block;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    position: fixed;
    opacity: 0;
    cursor: pointer;
    }
    #notice-banner {
        background-color: rgb(0, 74, 173,.6);
        color: #fff;
        text-align: center;
        padding: 15px;
        font-size:20px;
      }
    
/*スマホ版------------------------*/
@media(max-width:500px){
    nav.inner ul{
        padding-top: 30px ;
    }
    .toggle-btn{
        top:45px;
        right: 18px;
        height: 70px; 
        width: 70px;
    }
    .toggle-btn span:nth-child(1){top: 20px;}
    .toggle-btn span:nth-child(2){top: 32px;}
    .toggle-btn span:nth-child(3){bottom: 20px;}
    .open .toggle-btn span:nth-child(1){transform:translateX(10px)translateY(13px)rotate(-90deg);}
    .open .toggle-btn span:nth-child(2){opacity: 0;}
    .open .toggle-btn span:nth-child(3){transform:translateX(-15px)translateY(-12px)rotate(0deg);}
    nav.inner li a{width: 60%;}
    .inner-text-25px{font-size: 20px;}
    #notice-banner {
        padding: 15px;
        font-size: 15px;
      }
    
}
@media (orientation: landscape) and (max-height: 450px) {
    .nav-img img{
        margin:0px auto;
     }
     .toggle-btn{
        height: 50px; 
        width: 50px;
    }
    .toggle-btn span:nth-child(1){top: 17px;}
    .toggle-btn span:nth-child(2){top: 22.5px;}
    .toggle-btn span:nth-child(3){bottom: 17px;}
    .open .toggle-btn span:nth-child(1){transform:translateX(7px)translateY(6.5px)rotate(-90deg);}
    .open .toggle-btn span:nth-child(2){opacity: 0;}
    .open .toggle-btn span:nth-child(3){transform:translateX(-8px)translateY(-4.5px)rotate(0deg);}
    nav.inner li a{width: 60%;}
    .inner-text-25px{font-size: 20px;}
  }