@charset "UTF-8";
.modelroom .postbg {
  height: calc(100% - 1000px);
}

.model_access {
  margin-bottom: 56px;
}

nav {
  display: none;
}

.nav-open {
  display: block;
  padding: 20px 14px;
  color: #2C2825;
  position: relative;
  font-size: 18px;
  font-family: "Noto Serif JP", serif;
  border-top: solid 1px #BABABA;
}
.nav-open.modelform {
  border-bottom: solid 1px #BABABA;
}
.nav-open.modelform:before {
  content: "";
  display: inline-block;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  width: 15px;
  height: 15px;
  background-size: contain;
  background-image: url("../img/common/arrow_head_g.svg");
}

.nav-open::before { /* 閉じている時 */
  content: "＋";
  position: absolute;
  right: 37px;
  color: #000;
}

.nav-open.active::before { /* 開いている時 */
  content: "－";
}

.nav-open.modelform.active::before { /* 開いている時 */
  content: "";
}