@charset "utf-8";

.page-color { color: #333; }
.contents-header .headline { color: #333; }
.headline_border-left-bottom {
  border-bottom-color: #333;
  border-left-color: #333;
  color: #333;
}


/* BACKLINE-HEADING */
.backline-heading {
  display: flex;
  align-items: center;
  width: 100%;
  margin: 0 auto;
  font-size: 18px;
  line-height: 1;
}
.backline-heading:before,
.backline-heading:after {
  content: "";
  flex-grow: 1;
  background-color: #151515;
  display: block;
  height: 1px;
}

.contents-introduction .subheading > .headline { text-align: center; }
@media only screen and (max-width: 768px) {
.contents-introduction .subheading > .headline { text-align: left; }
}

.main-col.relation {
  width: 80%;
  margin: 0 auto;
}
@media only screen and (max-width: 768px) {
.main-col.relation { width: 100%; }
}

.backline-heading:before { margin-right: 1em; }
.backline-heading:after { margin-left: 1em; }