.main_b2 {
  padding: 2.4rem 0;
}

.main_b2_row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -1.2rem;
}

.main_b2_item {
  width: calc(25% - 2.4rem);
  margin: 0 1.2rem;
  background: #f2f2f2;
  padding: 1.9rem 2.4rem 1.2rem;
  gap: 0.7rem;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  position: relative;
}

.main_b2_item_sub_title {
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #6b6b6b;
}

.main_b2_item_title {
  font-size: 6.8rem;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: #303030;
}

.main_b2_item_title span {
  font-size: 2.6rem;
  vertical-align: bottom;
  display: inline-block;
  margin: 0 0 0.6rem;
}

.main_b2_item_logo {
  position: absolute;
  display: flex;
  align-items: flex-end;
  gap: 1.2rem;
  right: 2.4rem;
  bottom: 2.4rem;
}

.main_b2_item_logo svg:nth-of-type(1) {
  max-width: 10.5rem;
  width: 100%;
  height: auto;
  display: block;
}

.main_b2_item_logo svg:nth-of-type(2) {
  max-width: 1.6rem;
}

.main_b2_item_mob_title,
.main_b2_item_mob_desc {
  display: none;
}

@media screen and (max-width: 699px) {
  .main_b2 {
    padding: 8px 0 48px;
  }

  .main_b2_row {
    margin: 0 -2px;
  }

  .main_b2_item {
    width: calc(25% - 4px);
    margin: 0 2px;
    padding: 8px;
    gap: 4px;
  }

  .main_b2_item_sub_title {
    font-size: 12px;
  }

  .main_b2_item_sub_title span {
    display: none;
  }

  .main_b2_item_title {
    font-size: 28px;
  }

  .main_b2_item_title span {
    display: none;
  }

  .main_b2_item_mob_title,
  .main_b2_item_mob_desc {
    display: block;
    font-size: 12px;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: #6b6b6b;
  }

  .main_b2_item_mob_title + .main_b2_item_sub_title {
    display: none;
  }

  .main_b2_item_logo {
    position: static;
    right: auto;
    bottom: auto;
  }

  .main_b2_item_logo svg:nth-of-type(1) {
    max-width: 53px;
  }

  .main_b2_item_logo svg:nth-of-type(2) {
    display: none;
  }
}