@charset "utf-8";
.mainbg { width: 100%; height: 6923px; background: url('/img/m/main_sub01_newimg01_new.jpg') no-repeat center / cover; position: relative; }
.mainbg a { width: 100%; }
.mainbg a.m1 { height: 812px; margin: 474px 0 0 0; }
.mainbg a.m2 { height: 847px; }
.mainbg a.m3 { height: 846px; }
.mainbg a.m4 { height: 906px; }
.mainbg .map { margin: 1887px 0 0 0; width: 100%; height: 483px; }
.mainbg a.bn { width: 30px; height: 30px; float: right; position: absolute; top: 306px; right: 31px; background: #fff; opacity: 0; }
.mainbg a.m5 { height: 186px; width: 291px; margin: 19px 0 0 20px; }
.mainbg a.m6 { height: 186px; width: 291px; margin: 19px 0 0 13px; }
.mainbg a.m7 { width: 500px; height: 70px; margin: 112px 0 0 70px; }
.mainbg .box4 { position: absolute; bottom: 280px; left: 0; width: 100%; height: 501px; }
.mainbg .box4 a { width: 50%; height: 50%; float: left; }