.head {
  all: unset;
}
.head.simple {
  height: 50px;
  width: 100%;
  background-color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}
@media (min-width: 48rem) {
  .head.simple {
    height: 80px;
  }
}
.head.simple.sticky {
  position: sticky;
  top: 0;
  z-index: 12;
  margin: 0;
}
.head.simple .simple-head-logo {
  width: 100%;
  max-width: 150px;
}
@media (min-width: 48rem) {
  .head.simple .simple-head-logo {
    max-width: 205px;
  }
}
.head.simple .page-back {
  position: absolute;
  z-index: 13;
  top: 1rem;
  left: 1.5rem;
  line-height: 1;
  color: #283135;
  font-weight: 600;
  display: flex;
  align-items: center;
  transition: none;
  display: none;
}
.head.simple .page-back span {
  display: none;
}
@media (min-width: 48rem) {
  .head.simple .page-back {
    top: 1.8rem;
  }
  .head.simple .page-back span {
    display: inline;
  }
}
.head.simple .page-back .icn {
  margin: 0;
  padding: 0;
  width: 20px;
  height: 20px;
  margin-right: 0.5rem;
  stroke: #283135;
  transform: rotate(180deg);
}