*{
    margin: 0;
    padding: 0;
}

body{
    width: 100%;
    margin: auto;
}
.header-nav{
    background-color: #fafafa;
    width: 100%;
    text-align: center;
}
.header-nav h1{
    padding: 1% 0 0 0;
    height: auto;
}
.header-nav img{
    width: 110px;
}
.header-nav ul{
    display: flex;
    justify-content: center;
    align-items: center;
    list-style: none;
}
.header-nav li{
    padding: 0 1.5% 1% 1.5%;
}
.header-nav li a{
    text-decoration: none;
    color: black;
    font-weight: bold;
}

.header-nav a:hover{
    opacity: 0.8;
    text-decoration: underline #fafafa;
}

.breadcrumb {
    font-size: 15px;
    list-style: none;
    margin: 0.8% 0 5px 28%;
}
.breadcrumb li {
    display: inline;
    list-style: none;
    font-weight: bold;
}
.breadcrumb li:after {
    content: '/                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             ';
    padding: 0 0.2em;
    color: black;
}
.breadcrumb li:last-child:after {
    content: '';
}
.breadcrumb li a {
    text-decoration: none;
    color:black;
}
.breadcrumb li a:hover {
    text-decoration: underline;
}

hr{
    margin: 0 16%;
}
footer{
    text-align: center;
}
.footer-nav ul{
    justify-content: center;
    padding: 1% 0;
    list-style: none;
    display: flex;
}
.footer-nav li{
    padding: 0 1% 0 1%;
    font-size: 15px;
}
.footer-nav a{
    text-decoration: none;
    color: black;

}
.footer-nav a:hover{
    text-decoration: underline;
}
.footer-small{
    padding: 0.5%;
    background-color: #f5f5f5;
}


/*responsive*/
@media screen and (min-width: 768px) and (max-width: 1068px){
    .header-nav h1{
        padding: 3% 0 0 0;
    }
    .header-nav img{
        width: 88px;
    }
    .breadcrumb{
        margin: 1.2% 0 5px 20%;
    }
    hr{
        margin: 0 8%;
    }
    footer{
        margin: 0;
    }
    .footer-nav ul{
        padding: 3% 0;
    }
    .footer-nav li{
        padding: 0 1.2%;
        font-size: 15px;
    }
}

@media screen and (max-width: 767px){
    .header-nav h1{
        padding: 3.5% 0 0 0;
    }
    .header-nav img{
        width: 88px;
    }
    .breadcrumb{
        margin: 5% 0 5px 10%;
        font-size: 13px;
    }
    .pc-nav{
        display: none;
    }
    hr{
        margin: 0 10%;
    }
    .footer-nav ul{
        display: block;
    }
    .footer-nav li{
        padding: 3% 0;
        font-size: 13px;
    }
}