@charset "UTF-8";

.m-btn-parallel__btn--with-sankaku {
  position: relative;
  color: #b40001;
}
.m-btn-parallel__btn--with-sankaku::before {
  display: block;
  z-index: 5;
  position: absolute;
  right: -2px;
  bottom: -2px;
  width: 0;
  height: 0;
  border: 10px solid transparent;
  border-radius: 0 0 6px;
  border-right-color: #b40001;
  border-bottom-color: #b40001;
  content: "";
}
@media screen and (min-width: 768px) {
  .m-btn-parallel__btn--with-sankaku::before {
    border-width: 16px;
    border-radius: 0 0 8px;
  }
}