.logo {
  @include flex(none);
  background-color: $primary-color;
  height: 65px;
  line-height: 62px;
  text-align: center;
  width: $aside-width;
  img {
    margin-left: -15px;
  }
}

.header_ttl {
  @include flex(1 auto);
  color: #fff;
  font-size: 22px;
  margin-left: 30px;
}

.lang {
  @include flex(none);
  margin-right: 30px;
}