@charset "utf-8";
/*
base css
*/
body {
    font-family: "Noto Sans JP", sans-serif,"Helvetica Neue", "Helvetica", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Arial", "Yu Gothic", "Meiryo", sans-serif;
    font-size: 15px;
    line-height: 1.5;
    color: #333;
}
div {
    border: 1px solid #f0ffff;
    margin: 5px;
}
#header {
    background: #f0ffff;
    height: 70px;
}
#side {
    background: #f0ffff;
    height: 700px;
    width: 32%;
    float: left;
}
#content {
    background: #f0ffff;
    height: 700px;
    width: 65%;
    float: left;
}
#footer {
    background: #f0ffff;
    height: 100px;
    clear: both;
}
#wrapper {
    background: #ffffff;
    border: 1px solid r;
    width: 970px;
    margin: 0 auto;
}

/* メディアクエリ */
@media (max-width: 1024px) {
    #wrapper {
        width: 100%;
    }
    #content, #side {
        width: 100%;
        float: none;
        height: auto; /* 自動で高さを調整 */
    }
}
@media (max-width: 768px) {
    #wrapper {
        width: 100%;
    }
    #content, #side {
        width: 100%;
        float: none;
        height: auto; /* 自動で高さを調整 */
    }
}
@media (max-width: 480px) {
    #wrapper {
        width: 100%;
    }
    #content, #side {
        width: 100%;
        float: none;
        height: auto; /* 自動で高さを調整 */
    }
}