header {
    padding: 15px 20px;
    background-color: #fff;
    position: sticky;
    top: 0;
    z-index: 999;
}

.header-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

header .logo {
    height: 60px;
    width: auto;
}

header .aside {
    display: none;
}

.site-title {
    margin-left: 10px;
    font-size: 24px;
    font-weight: bold;
}
nav .close{
    display: none;
}
.nav-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    list-style: none;
    padding: 0;
    margin: 0;
}



.nav-menu li a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: .5rem;
}


.breadcrumbs {
    width: 100%;
    background: #3AA3CD;
    color: #fff;
}

.breadcrumbs ul {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    padding-block: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    gap: .5rem;
}

.breadcrumbs a {
    color: #fff;
}

.main_head {
    width: 100%;
    height: 180px;
    overflow: hidden;
    position: relative;
}

.main_head .gb {
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.main_head .text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 1200px;
    color: #fff;
    z-index: 2;
}

.main_head .text .ja {
    font-size: 60px;
    font-weight: bold;
}

.main_head .text .en {
    font-weight: bold;
    margin-top: -10px;
}

@media (max-width:768px) {
    header {
        padding: 0 0 0 1rem;
        display: flex;
        justify-content: space-between;
    }

    header .logo {
        height: 50px;
    }

    header nav {
        width: 100vw;
        height: 100vh;
        position: fixed;
        background: rgba(17, 17, 17, 0.8);
        z-index: 999;
        right: 0;
        top: 0;
        display: none;
    }

    .nav-menu {
        position: absolute;
        top: 0;
        right: 0;
        width: 100%;
        max-width: 70vw;
        height: 100%;
        background: linear-gradient(#031D2D 0%, #035F9E 100%);
        display: block;
        padding: 2rem 0 0 2rem;
    }
    .nav-menu li a{
        color: #fff;
        font-weight: bold;
        gap: 1rem;
    }
    .nav-menu li{
        padding-bottom: 1rem;
    }
    .nav-menu li a svg{
        color: #fff!important;
        width: 30px!important;
        height: 30px!important;
    }

    header .aside {
        width: 50px;
        height: 50px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(#031D2D 0%, #035F9E 100%);
    }
    nav .close{
        display: block;
        background: none;
        padding:1rem;
    }
    .breadcrumbs ul{
        padding: 1rem;
    }
    .main_head .text .ja{
        font-size: 30px;
    }
    .main_head .text{
        padding-left:1rem;
    }
    .main_head .text .en{
        font-weight: lighter;
    }
}