main h4 {
  font-size: 40px;
}
main .main_banner .main_visual .swiper-wrapper .swiper-slide {
  position: relative;
}
main .main_banner .main_visual .swiper-wrapper .swiper-slide .main_img {
  position: relative;
}
main .main_banner .main_visual .swiper-wrapper .swiper-slide .main_img img {
  min-height: 250px;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 1669/565;
}
main .main_banner .main_visual .swiper-wrapper .swiper-slide .main_bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
}
main .main_banner .main_visual .main_txt {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 1000;
  color: #fff;
  max-width: 1200px;
  width: 100%;
  padding: 0 20px;
  pointer-events: none;
  cursor: default;
}
main .main_banner .main_visual .main_txt h2 {
  font-size: 50px;
  font-weight: 300;
}
main .main_banner .main_visual .main_txt h3 {
  font-size: 50px;
  margin: -10px 0 20px;
}
main .main_banner .main_visual .main_txt p {
  font-size: 20px;
  font-weight: 300;
}
main .solution {
  background: #000;
  color: #fff;
  padding: 100px 0;
}
main .solution .inner > p {
  margin: 15px 0 30px;
}
main .solution .solution_wrap {
  display: flex;
  width: 100%;
  gap: 10px;
  height: 320px;
}
main .solution .solution_wrap .solution_box {
  position: relative;
  flex: 1;
  min-width: 0;
  transition: flex 0.3s ease;
  border-radius: 15px;
  overflow: hidden;
}
main .solution .solution_wrap .solution_box:hover {
  flex: 2;
}
main .solution .solution_wrap .solution_box:hover .txt p {
  color: #fff;
}
main .solution .solution_wrap .solution_box:hover .solution_img img {
  filter: brightness(0.7) !important;
}
main .solution .solution_wrap .solution_box .solution_img {
  height: 100%;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
main .solution .solution_wrap .solution_box .solution_img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  aspect-ratio: 596/397;
  filter: brightness(0.5);
}
main .solution .solution_wrap .solution_box .txt {
  position: absolute;
  top: 20px;
  left: 20px;
}
main .solution .solution_wrap .solution_box .txt p {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
}
main .solution .solution_wrap .solution_box .txt p:nth-child(2) {
  font-size: 16px;
}
main .solution .solution_wrap .solution_box .btn {
  position: absolute;
  bottom: 20px;
  left: 20px;
}
main .pr_center {
  margin: 100px 0;
}
main .pr_center .inner > p {
  margin: 15px 0 30px;
  width: 80%;
}
main .pr_center .inner .pr_swiper_wrap {
  position: relative;
  margin-top: -50px;
  padding-top: 50px;
}
main .pr_center .inner .pr_swiper_wrap .pr_slide .swiper-slide .pr_img {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 15px;
}
main .pr_center .inner .pr_swiper_wrap .pr_slide .swiper-slide .pr_img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 367/219;
}
main .pr_center .inner .pr_swiper_wrap .pr_slide .swiper-slide .pr_txt {
  display: flex;
  justify-content: space-between;
  padding: 10px;
}
main .pr_center .inner .pr_swiper_wrap .pr_slide .swiper-slide .pr_txt p {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
main .certification {
  background: #E6E6E6;
  padding: 100px 0;
}
main .certification .inner > p {
  margin: 15px 0 30px;
  width: 80%;
}
main .certification .inner .certifi_swiper_wrap {
  position: relative;
  margin-top: -50px;
  padding-top: 50px;
}
main .certification .inner .certifi_swiper_wrap .certifi_slide .swiper-slide .certifi_img {
  display: flex;
  align-items: center;
  justify-content: center;
}
main .certification .inner .certifi_swiper_wrap .certifi_slide .swiper-slide .certifi_img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 	147/211;
}
main .clients {
  margin: 100px 0;
}
/* 테스트용==================== */
main .clients .inner >p{margin: 15px 0 30px;}
main .clients .inner .clients_wrap{position: relative;}
main .clients .inner .clients_swiper .swiper-wrapper{
  -webkit-transition-timing-function:linear!important;
  -o-transition-timing-function:linear!important;
  transition-timing-function:linear!important;
}
main .clients .inner .clients_swiper_reverse{
  margin-top: 20px;
}
main .clients .inner .clients_swiper_reverse .swiper-wrapper{
  -webkit-transition-timing-function:linear!important;
  -o-transition-timing-function:linear!important;
  transition-timing-function:linear!important; 
}
main .clients .inner .clients_swiper_reverse .swiper-wrapper .clients_box,main .clients .inner .clients_swiper .swiper-wrapper .clients_box{
  /* width: calc(25% - 10px); */
  border-radius: 15px;
  overflow: hidden;
}
main .clients .inner .clients_swiper_reverse .swiper-wrapper .clients_box img ,main .clients .inner .clients_swiper .swiper-wrapper .clients_box img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  aspect-ratio: 139/49;
}

/* 끝==================== */



/* main .clients .inner > p {
  margin: 15px 0 30px;
}
main .clients .inner .clients_wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
}
main .clients .inner .clients_wrap .clients_box {
  width: calc(25% - 10px);
  border-radius: 15px;
  overflow: hidden;
  border: 1px solid #8a8a8a;
}
main .clients .inner .clients_wrap .clients_box img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 139/49;
}
main .clients .more_btn a {
  display: block;
  background: #ED6D08;
  color: #fff;
  text-align: center;
  padding: 10px 20px;
  border-radius: 10px;
  max-width: 120px;
  margin: 40px auto 0;
} */
main .contact {
  padding: 100px 0;
  background: #000;
  color: #fff;
}
main .contact .inner .contact_wrap {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 10px;
}
main .contact .inner .contact_wrap .contact_left {
  width: 50%;
}
main .contact .inner .contact_wrap .contact_left p {
  max-width: 430px;
  font-size: 18px;
}
main .contact .inner .contact_wrap .contact_left .img_box {
  margin-top: 40px;
}
main .contact .inner .contact_wrap .contact_left .img_box img {
  width: 90%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 471/247;
  max-width: 471px;
}
main .contact .inner .contact_wrap .contact_right {
  width: 50%;
}
main .contact .inner .contact_wrap .contact_right .input_box {
  width: 100%;
}
main .contact .inner .contact_wrap .contact_right .input_box .box_1 {
  display: flex;
  gap: 5px;
  margin-bottom: 5px;
}
main .contact .inner .contact_wrap .contact_right .input_box input {
  height: 40px;
}
main .contact .inner .contact_wrap .contact_right .input_box textarea {
  height: 150px;
}
main .contact .inner .contact_wrap .contact_right .input_box input, main .contact .inner .contact_wrap .contact_right .input_box textarea {
  width: 100%;
  border-radius: 5px;
  padding: 5px 10px;
  font-size: 17px;
}
main .contact .inner .contact_wrap .contact_right .input_bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
main .contact .inner .contact_wrap .contact_right .input_bottom .submit_btn {
  display: block;
  background: #ED6D08;
  color: #fff;
  text-align: center;
  padding: 10px 20px;
  border-radius: 10px;
  max-width: 120px;
  min-width: 96px;
}
main .contact .inner .contact_wrap .contact_right .check_wrap {
  padding: 10px;
}
main .contact .inner .contact_wrap .contact_right .check_wrap .check_box {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 10px;
}
main .contact .inner .contact_wrap .contact_right .check_wrap .check_box:last-child {
  margin-bottom: 0;
}
main .contact .inner .contact_wrap .contact_right .check_wrap .check_box label {
  font-size: 14px;
  font-weight: 100;
}
main .contact .inner .contact_wrap .contact_right .check_wrap .check_box label span {
  cursor: pointer;
}

.swiper-button-next.certifi_next, .swiper-button-prev.pr_next, .swiper-button-prev.certifi_prev, .swiper-button-prev.pr_prev {
  top: 0;
  right: 0;
  left: unset;
  font-size: 10px;
}

.swiper-button-next.certifi_next:after, .swiper-button-next.pr_next:after, .swiper-button-prev.certifi_prev:after, .swiper-button-prev.pr_prev:after {
  font-size: 26px;
}

.swiper-button-next.pr_next {
  top: 0;
  right: 0;
}

.swiper-button-next.certifi_next, .swiper-button-next.pr_next {
  color: #000;
}

.swiper-button-prev.certifi_prev, .swiper-button-prev.pr_prev {
  right: 25px;
  color: #000;
}

@media (max-width: 1024px) {
  #main .main_banner .main_visual .main_txt h2 {
    font-size: 40px;
  }
  #main .main_banner .main_visual .main_txt h3 {
    font-size: 40px;
  }
  #main .main_banner .main_visual .main_txt p {
    font-size: 16px;
  }
  #main .solution .solution_wrap .solution_box .txt p:nth-of-type(1) {
    font-size: 16px;
  }
  #main .solution .solution_wrap .solution_box .txt p:nth-of-type(2) {
    font-size: 14px;
  }
}
@media (max-width: 820px) {
  #main .contact h4 {
    margin: 0 auto;
    width: 70%;
  }
  #main .contact .contact_wrap {
    flex-direction: column;
  }
  #main .contact .contact_wrap .contact_left {
    width: 70%;
    margin: 0 auto;
  }
  #main .contact .contact_wrap .contact_right {
    margin: 0 auto;
    width: 70%;
  }
}
@media (max-width: 720px) {
  #main .clients .clients_wrap {
    gap: 15px;
  }
  #main .clients .clients_wrap .clients_box {
    /* width: calc(33.3333333333% - 10px); */
    width: 100%;

  }

}
@media (max-width: 650px) {
  #main .solution .solution_wrap .solution_box:hover .txt p:nth-of-type(2) {
    display: block;
  }
  #main .solution .solution_wrap .solution_box .txt {
    left: 50%;
    transform: translate(-50%);
    width: 90%;
  }
  #main .solution .solution_wrap .solution_box .txt p:nth-of-type(1) {
    font-size: 16px;
  }
  #main .solution .solution_wrap .solution_box .txt p:nth-of-type(2) {
    display: none;
  }
  #main .pr_center .pr_swiper_wrap .pr_slide .pr_txt p {
    font-size: 14px;
  }
  #main .contact h4 {
    margin: 0 auto;
    width: 100%;
    padding: 0 20px;
  }
  #main .contact .contact_wrap {
    flex-direction: column;
  }
  #main .contact .contact_wrap .contact_left {
    width: 100%;
    padding: 0 20px;
    margin: 0 auto;
  }
  #main .contact .contact_wrap .contact_right {
    margin: 0 auto;
    width: 100%;
    padding: 0 20px;
  }
}
@media (max-width: 500px) {
  #main .clients .clients_wrap {
    width: 100%;
    gap: 20px;
  }
  #main .clients .clients_wrap .clients_box {
    /* width: calc(50% - 10px); */
    width: 100%;
  }
  #main .input_bottom {
    flex-direction: column;
    gap: 20px;
  }
}
@media (max-width: 480px) {
  #main .solution .solution_wrap .solution_box .txt {
    top: 70px;
  }
  #main .solution .solution_wrap .solution_box .txt p:nth-of-type(1) {
    font-size: 13px;
    text-align: left;
    word-break: keep-all;
    white-space: normal;
    word-wrap: break-word;
  }
  #main .solution .solution_wrap .solution_box .txt p:nth-of-type(2) {
    display: none;
  }
}

.portfolio .inner p{    margin: 15px 0 30px;}
.portfolio .big_inner {
  padding: 0 70px;
  margin-top: 30px;
}
.portfolio .big_inner .review {
  position: relative;
  padding: 0 50px;
}
.portfolio .big_inner .review .review_img {
  border-radius: 15px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}
.portfolio .big_inner .review .review_img img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  aspect-ratio: 480/360;
}

.portfolio .swiper-button-next:after, .portfolio .swiper-button-prev:after {
  color: #000;
  font-size: 1.875rem;
}
@media screen and (max-width: 1320px) {
  .portfolio .big_inner {
    padding: 0;
  }
}