/* 共通デザイン */
body{
    font-family:"Helvetica Neue", "Helvetica", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Arial", "Yu Gothic", "Meiryo", sans-serif;
    line-height: 160%;
    color: rgb(90,90,90);
}
img{
    width:100%;
    max-width: 100%;
    height: auto;
}
h2{
        font-size: 21px;
    font-weight: bold;
    color: rgb(185,125,75);
    line-height: 150%;
    text-align: center;
        width: 90%;
    margin: 0 auto 30px;
    border-bottom: 2px solid rgb(185,125,75);
}
h3{
    font-size: 21px;
    padding-bottom: 10px;
}
.cont_link,
.cont_link:visited{
    color: rgb(0, 60, 255);
    text-decoration: underline;
}

/* 共通レイアウト */
header,
nav,
main,
article,
article>div,
footer{
    width: 100%;
}

/* ヘッダー */
header{
    background-color: rgb(210,180,175);
    box-shadow: 0px 1px 5px rgba(0,0,0,0.45);
        position: absolute;
}
header>p{
        width: 40vw;
        margin: auto;
        position: relative;
        top: 7.6vw;
        z-index:1000;
}

/* ナビゲーション */


/* フッター */
footer{
    background-color: rgb(210,180,175);
    padding: 40px 0 25px 0;
}
footer p{
    text-align: center;
    font-size: 14px;
}

/* ここからPC用 */

@media screen and (min-width:960px){
    h2{
        font-size: 28px;
        width: 960px;
    }

    /*メニューボタン追加*/
    #menubtn{
        display: none;
    }

    /* ヘッダー */
    header{
        padding-top: 10px;
        display: grid; 
        grid-template-columns: 1fr 280px 1fr; 
        grid-template-rows: 80px 1fr 1fr; 
        position: sticky;
        top: 0;
        box-shadow: 0px 1px 5px rgba(0,0,0,0.45);
            /* position: static; */
    }
    header>p{
        z-index: 10;
        grid-area: 1 / 2 / 3 / 3;
            width: 100%;
            margin: 0;
            position: static;
            top: 0;
    }
    
    /* ナビゲーション */
    nav{
            display: block;
        background-color: rgb(255,255,255);
        padding-top: 30px;
        grid-area: 2 / 1 / 4 / 4;
    }
    nav ul{
        padding: 0;
        display: flex;
        flex-flow: row nowrap;
        justify-content: space-around;
        width:960px;
        margin: auto;
        list-style-type: none;
    }
    nav a{
        display: block;
        padding: 20px 10px;
    }
    nav a:link,a:visited{
        color:rgb(51,51,51);
        text-decoration: none;
    }
    nav a:hover{
        background-color:rgb(255,210,210) ;
        color: rgb(200,50,0);
    }
    
    /* フッター */

    }