.pc_br {
  display: block;
}
.t51_ttl {
  letter-spacing: 0.03em;
}
.t51_flex {
  display: flex;
}
.t51_flex_img {
  width: 45%;
  margin-right: 3.5rem;
}
.t51_flex_right {
  max-width: 600px;
}
.t51_flex_right_txt {
  line-height: 1.72;
}
.item_info._01 dl,
.item_info._02 dl:first-of-type {
  border-bottom: 1px solid #e5e5e5;
}
.item_info._01 dl:first-of-type {
  border-top: 1px solid #e5e5e5;
}
.item_info._01 dl dt {
  width: 25%;
}
.item_info._01 dl dd {
  width: 75%;
}

@media (max-width: 991.98px) {
}

@media (max-width: 767.98px) {
  .pc_br {
    display: none;
  }
  .t51_flex {
    flex-wrap: wrap;
  }
  .t51_flex_img {
    width: 100%;
    margin-right: 0;
  }
  .t51_flex_right {
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--bs-gutter-x, 1rem);
    padding-right: var(--bs-gutter-x, 1rem);
    width: 100%;
    margin-top: 2rem;
  }
  .custom_grid .container {
    padding-left: var(--bs-gutter-x, 2rem);
    padding-right: var(--bs-gutter-x, 2rem);
  }
}