.nav ul { display: -webkit-flex; display: flex; }

.nav ul li { float: none; width: auto; flex-basis: 100%; }

.front-contents ul li { flex-basis: 100%; margin-left: 2%; }

.front-contents ul li:nth-of-type(4n+1) { margin-left: 0; }

.btnbox { text-align: center; margin: 40px 0 40px; }

.btnbox a { display: inline-block; background: #c70000; color: #fff !important; font-size: 22px; line-height: 1.5em; padding: 10px 40px; -webkit-transition: all 0.3s; -moz-transition: all 0.3s; transition: all 0.3s; }

.btnbox a:hover { text-decoration: none; opacity: 0.7; }

.map-inner { width: 316px; height: 200px; position: relative; }

.map-inner iframe { position: absolute; left: 0; top: 0; width: 100%; height: 100%; }