.carousel-item .carousel-caption {
  background: rgba(0, 0, 0, 0.5);
  border-radius: 0.2rem;
}
.carousel-item .carousel-caption h1 {
  margin-bottom: 0.5rem;
}
.carousel-item .carousel-caption h1,
.carousel-item .carousel-caption p {
  visibility: hidden;
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.6s ease-in-out;
}
.carousel-item .carousel-caption p {
  transition: all 0.7s ease-in-out;
}
.carousel-item.active .carousel-caption h1,
.carousel-item.active .carousel-caption p {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}
.stain_intro_ul {
  /* margin-top: 200px;
  padding-left: 420px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px 25px; */
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 50px;
}
.stain_intro_ul > li {
  overflow: hidden;
  block-size: fit-content;
}
.stain_intro_ul > li > a {
  display: block;
  position: relative;
  border-radius: 5px;
  overflow: hidden;
}
.stain_intro_ul > li > a img {
  transition: all 0.3s ease-in-out;
}
.stain_intro_ul > li > a:hover img {
  transform: scale(1.1);
}
/* .stain_intro_ul > li:nth-child(2n) {
  margin-top: -200px;
} */
.stain_intro_ul > li a p {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 40px 18px;
  color: #fff;
  transition: all 0.6s;
}
.main_intro {
  background: url(../img/main/c_bg01.png) no-repeat center center;
  background-size: cover;
}
.main_intro_ul {
  padding: 2rem 0;
}
.main_intro_ul li {
  position: relative;
  height: 350px;
}
.main_intro_ul li > a {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-radius: 5px;
}
.main_intro_ul li > a img {
  transition: all 0.3s ease-in-out;
}
.main_intro_ul li > a:hover img {
  transform: rotateY(180deg);
}
.main_intro_ul li:nth-child(1) > a {
  background: #015091;
}
.main_intro_ul li:nth-child(2) > a {
  background: #4168e8;
}
.main_intro_ul li:nth-child(3) > a {
  background: #239ce7;
}
.main_inquiry {
  /* background: linear-gradient(to left, #1d2088, #00a0e9); */
  background: url(../img/main/i_bg01.png) no-repeat center center;
  background-size: cover;
}
.main_inquiry .inquiry_btn {
  border: solid 2px #fff;
  padding: 0.8rem 3rem;
  border-radius: 50px;
  transition: all 0.3s ease-in;
}
.main_inquiry .inquiry_btn:hover {
  background-color: #fff;
  color: var(--main-c) !important;
  font-weight: 600;
}

@media (max-width: 992px) {
  .stain_intro_ul {
    /* padding-left: calc(var(--bs-gutter-x) * 0.5);
    grid-template-columns: none;
    gap: 0;
    margin-top: 0; */
    flex-wrap: wrap;
  }
  .stain_intro_ul > li {
    width: 100%;
  }
  .stain_intro_ul > li:nth-child(2n) {
    margin-top: 0;
  }
  .stain_intro_ul > li:nth-child(1) ~ li {
    margin-top: 20px;
  }
  .stain_intro_ul > li:nth-child(3) {
    display: none;
  }
}