@media (max-width: 720px){
    .wrap {
        width: 700px;
        margin: 0 auto;
    }
    
    .page-header{
        background-color: #fff;
    }
    .header-wrap{
        display: flex;
        justify-content: space-between center;
        margin: 0 auto;
    }
    .page-header h1{
        margin-top: 1rem;
    }
    .main-nav{
        font-size: 0.8rem;
        list-style: none;
    }
    .main-nav li{
        margin-left: 0.7rem;
    }
    .main-nav a{
        color: #000;
    }
    
    
    #top-copy{
        background: url(../images/saigaiha_pattern.svg) repeat;
        background-color: #ce2e41;
        margin-top: -30px;
        text-align: center;
        padding-top: 50px;
        padding-bottom: 50px;
        display: flex;
    }
    #top-copy h1{
        font-weight: bold;
        font-style: italic;
        font-size: 2.5rem;
        color: #fff;
        margin-bottom: 1rem;
    }
    #top-copy p{
        font-size: 1.4rem;
    }
    #top-copy a{
        color: #fff;
    }
    
    #top-about{
        margin-top: 0;
        margin-bottom: 4rem;
    }
    .copy-wrap{
        flex-direction: column;
        align-items: center;
    }
    #top-about h1{
        margin-top: 2rem;
        text-align: center;
    }

    #top-about p{
        margin-top: 1.4rem;
        line-height: 1.6rem;
    }
    #top-about article{
        width: 100%;
    }
    
    .page-footer{
        background-color: #efefef;
        padding-top: 30px;
        padding-bottom: 30px;
        display: flex;
    }
    .footer-wrap{
        flex-direction: column;
        align-items: center;
    }
    .page-footer p{
        text-align: center;
        padding-top: 1rem;
        font-size: 0.9rem;
    }
    .footer_sns{
        margin-top: 1.5rem;
    }
    .footer_sns img{
        margin-left: 5px;
    }
    #copylight{
        display: flex;
        padding: 5px 0;
        text-align: center;
        background-color: #4c4c4c;
    }
    #copylight p{
        font-size: 0.6rem;
        color: #fff;
    }
    
    /* Menu
--------------------------------------------------------- */
    #menu{
        padding-top: 1.8rem;
        display: flex;
        background-color: #efefef;
    }
    #menu h1{
        text-align: center;
        font-size: 2rem;
        font-style: italic;
        font-weight: 300;
        color: #ce2e41;
    }
    .menu-link{
        padding-top: 1rem;
    }
    .menu-nav{
        line-height: 2.4rem;
        font-size: 1rem;
        flex-wrap: wrap;
    }
    .menu-nav a{
        color: #000;
    }

}