.top-menu-ul {
  position: relative;
  z-index: 5;
  margin: 92px 0 49px;
}
@media all and (max-width: 767px) {
  .top-menu-ul {
    margin: 33px 0 36px;
  }
}
.top-menu-ul .item_menu_Box {
  position: relative;
  margin: 0 auto;
  overflow-x: scroll;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.top-menu-ul .item_menu_Box::-webkit-scrollbar {
  display: none;
}
.top-menu-ul ul.slides {
  white-space: nowrap;
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
}
.top-menu-ul li {
  position: relative;
  display: inline-block;
  position: relative;
  margin-right: 2px;
}
.top-menu-ul li:last-child {
  margin-right: 0px;
}
@media all and (min-width: 768px) {
  .top-menu-ul li:hover a {
    color: #fff;
    background-color: #33a1d5;
    border-radius: 10px 10px 0 10px;
  }
}
.top-menu-ul li.active a {
  color: #fff;
  background-color: #33a1d5;
  border-radius: 10px 10px 0 10px;
}
@media all and (max-width: 767px) {
  .top-menu-ul li.active a {
    border-radius: 7px 7px 0 7px;
  }
}
.top-menu-ul li a {
  position: relative;
  display: block;
  overflow: hidden;
  font-size: 20px;
  font-weight: 500;
  padding: 10px 17px;
  color: #000;
  letter-spacing: 1px;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
@media all and (max-width: 767px) {
  .top-menu-ul li a {
    font-size: 17px;
    padding: 7px 15px;
    letter-spacing: 0;
  }
}

.open_flexslider .flex-direction-nav {
  display: block;
}

.flex-direction-nav {
  display: none;
  position: absolute;
  z-index: -1;
  top: 50%;
  left: -40px;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  width: calc(100% + 80px);
  height: 43px;
}
@media all and (max-width: 767px) {
  .flex-direction-nav {
    left: -24px;
    width: calc(100% + 48px);
  }
}
.flex-direction-nav a {
  position: absolute;
  width: 40px;
  height: 40px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  z-index: 10;
}
@media all and (max-width: 767px) {
  .flex-direction-nav a {
    width: 24px;
  }
}
.flex-direction-nav a.flex-prev {
  left: 0px;
  top: 0px;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
@media all and (min-width: 768px) {
  .flex-direction-nav a.flex-prev:hover div:after {
    opacity: 1;
  }
}
.flex-direction-nav a.flex-prev div {
  width: 8px;
  height: 14px;
  background: url("../images/arrow_l.png") center/contain no-repeat;
}
.flex-direction-nav a.flex-prev.nopage {
  pointer-events: none;
  opacity: 0.2;
}
.flex-direction-nav a.flex-next {
  top: 0px;
  right: 0px;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
@media all and (min-width: 768px) {
  .flex-direction-nav a.flex-next:hover div:after {
    opacity: 1;
  }
}
.flex-direction-nav a.flex-next div {
  width: 8px;
  height: 14px;
  background: url("../images/arrow_r.png") center/contain no-repeat;
}
.flex-direction-nav a.flex-next.nopage {
  pointer-events: none;
  opacity: 0.2;
}

.page {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: end;
      -ms-flex-pack: end;
          justify-content: flex-end;
  font-size: 16px;
  font-weight: 500;
  clear: both;
  width: 100%;
  margin: 0 auto;
}
@media all and (max-width: 767px) {
  .page {
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    max-width: 350px;
  }
}
.page dt,
.page dd {
  vertical-align: baseline;
  display: inline-block;
  text-align: center;
}
.page dt a,
.page dd a {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  text-decoration: none;
  color: #060606;
  width: 28px;
  height: 28px;
  border-radius: 50%;
}
.page dd {
  position: relative;
  cursor: pointer;
  overflow: hidden;
  margin: 0 10px 0 11px;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
@media (min-width: 768px) {
  .page dd:hover a {
    color: #238ed9;
  }
}
.page dd.active a {
  color: #fff;
  background: #238ed9;
}
.page dt.rtbn a,
.page dt.ltbn a {
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
@media (min-width: 768px) {
  .page dt.rtbn a:hover,
.page dt.ltbn a:hover {
    opacity: 0.6;
  }
}
.page dt.ltbn {
  margin-right: 12px;
  background: url("../images/unhover_l.png") center/9px 15px no-repeat;
}
@media all and (max-width: 767px) {
  .page dt.ltbn {
    margin-right: 2px;
  }
}
.page dt.rtbn {
  background: url("../images/unhover_r.png") center/9px 15px no-repeat;
  margin-left: 13px;
}
@media all and (max-width: 767px) {
  .page dt.rtbn {
    margin-left: 2px;
  }
}
.page .nopage {
  opacity: 0.2;
  pointer-events: none;
}

main {
  padding-bottom: 118px;
}
@media all and (max-width: 767px) {
  main {
    padding-bottom: 108px;
  }
}

.top-menu-ul {
  margin-bottom: 58px;
}
@media all and (max-width: 767px) {
  .top-menu-ul {
    margin: 58px 0 32px;
  }
}

section {
  position: relative;
  z-index: 2;
}

.caseItems li {
  position: relative;
  padding-bottom: 71px;
}
@media all and (max-width: 767px) {
  .caseItems li {
    padding-bottom: 42px;
  }
}
.caseItems li:nth-child(odd) {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
@media all and (max-width: 767px) {
  .caseItems li:nth-child(odd) {
    -webkit-box-orient: vertical;
    -webkit-box-direction: reverse;
        -ms-flex-direction: column-reverse;
            flex-direction: column-reverse;
  }
}
@media all and (min-width: 768px) {
  .caseItems li:nth-child(odd) .img {
    margin-left: -11.2%;
  }
}
@media all and (min-width: 768px) and (max-width: 991px) {
  .caseItems li:nth-child(odd) .img {
    margin-left: -30%;
  }
}
.caseItems li:nth-child(even) {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: reverse;
      -ms-flex-direction: row-reverse;
          flex-direction: row-reverse;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
@media all and (max-width: 767px) {
  .caseItems li:nth-child(even) {
    -webkit-box-orient: vertical;
    -webkit-box-direction: reverse;
        -ms-flex-direction: column-reverse;
            flex-direction: column-reverse;
  }
}
@media all and (min-width: 768px) {
  .caseItems li:nth-child(even) .txt {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 51.2%;
            flex: 0 0 51.2%;
    margin-left: -11.2%;
  }
}
@media all and (min-width: 768px) and (max-width: 991px) {
  .caseItems li:nth-child(even) .txt {
    margin-left: -30%;
    -webkit-box-flex: 0;
        -ms-flex: 0 0 60%;
            flex: 0 0 60%;
  }
}
.caseItems li:last-child {
  padding-bottom: 74px;
}
@media all and (max-width: 767px) {
  .caseItems li:last-child {
    padding-bottom: 59px;
  }
}
.caseItems .img {
  -webkit-box-flex: 0;
      -ms-flex: 0 0 60%;
          flex: 0 0 60%;
  overflow: hidden;
}
@media all and (min-width: 768px) and (max-width: 991px) {
  .caseItems .img {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 70%;
            flex: 0 0 70%;
  }
}
@media all and (max-width: 767px) {
  .caseItems .img {
    width: 100%;
  }
}
.caseItems .img img {
  display: block;
  -webkit-transition: -webkit-transform 1s;
  transition: -webkit-transform 1s;
  transition: transform 1s;
  transition: transform 1s, -webkit-transform 1s;
}
@media all and (min-width: 768px) {
  .caseItems .img img {
    height: 460px;
    -o-object-fit: cover;
       object-fit: cover;
    -o-object-position: center;
       object-position: center;
  }
}
@media all and (min-width: 768px) and (max-width: 991px) {
  .caseItems .img img {
    height: 400px;
  }
}
@media all and (max-width: 767px) {
  .caseItems .img img {
    aspect-ratio: 1/0.5569;
  }
}
.caseItems .txt {
  position: relative;
  z-index: 2;
  background: #fff;
  padding: 22px;
  -webkit-box-shadow: 3px 1px 27px rgba(51, 146, 213, 0.2);
          box-shadow: 3px 1px 27px rgba(51, 146, 213, 0.2);
}
@media all and (min-width: 768px) {
  .caseItems .txt {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 51.2%;
            flex: 0 0 51.2%;
    padding: 44px 50px 46px;
  }
}
@media all and (min-width: 768px) and (max-width: 991px) {
  .caseItems .txt {
    padding: 22px 30px;
    -webkit-box-flex: 0;
        -ms-flex: 0 0 60%;
            flex: 0 0 60%;
  }
}
@media all and (max-width: 767px) {
  .caseItems .txt {
    padding: 19px 22px 18px;
    width: 100%;
    -webkit-box-flex: 1;
        -ms-flex: 1;
            flex: 1;
  }
}
@media all and (min-width: 768px) {
  .caseItems .txt:hover {
    -webkit-box-shadow: 3px 1px 27px rgba(51, 146, 213, 0.3);
            box-shadow: 3px 1px 27px rgba(51, 146, 213, 0.3);
  }
  .caseItems .txt:hover + .img img {
    -webkit-transform: scale(1.05);
            transform: scale(1.05);
  }
  .caseItems .txt:hover .btn_case::after {
    opacity: 1;
  }
  .caseItems .txt:hover .btn_case::before {
    opacity: 0;
  }
}
.caseItems .txt .sort {
  font-size: 16px;
  color: #238ed9;
  margin-bottom: 6px;
}
.caseItems .txt .title {
  font-size: 24px;
  border-bottom: 1px solid #c9c9c9;
  padding-bottom: 14px;
  margin-bottom: 12px;
}
@media all and (min-width: 768px) and (max-width: 991px) {
  .caseItems .txt .title {
    font-size: 21px;
  }
}
@media all and (max-width: 767px) {
  .caseItems .txt .title {
    font-size: 18px;
    padding-bottom: 10px;
    margin-bottom: 5px;
  }
}
.caseItems .txt .info {
  font-size: 18px;
  line-height: 1.9;
  margin-bottom: 14px;
}
@media all and (min-width: 768px) and (max-width: 991px) {
  .caseItems .txt .info {
    font-size: 17px;
  }
}
@media all and (max-width: 767px) {
  .caseItems .txt .info {
    font-size: 16px;
    line-height: 1.75;
    margin-bottom: 17px;
  }
}
.caseItems .txt .btn_s {
  width: 38px;
  height: 38px;
}

.caseDetail .container {
  padding-top: 98px;
}
@media all and (min-width: 768px) and (max-width: 991px) {
  .caseDetail .container {
    padding-top: 72px;
  }
}
@media all and (max-width: 767px) {
  .caseDetail .container {
    padding-top: 36px;
  }
}
.caseDetail .titleBox {
  position: relative;
  padding-left: 36px;
}
@media all and (max-width: 767px) {
  .caseDetail .titleBox {
    padding-left: 20px;
  }
}
.caseDetail .titleBox::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  width: 8px;
  height: 100%;
  background: #238ed9;
}
@media all and (min-width: 768px) and (max-width: 991px) {
  .caseDetail .titleBox::before {
    width: 6px;
  }
}
@media all and (max-width: 767px) {
  .caseDetail .titleBox::before {
    width: 4px;
  }
}
.caseDetail .titleBox .sort span {
  font-size: 16px;
  color: #238ed9;
  position: relative;
  display: inline-block;
  font-size: 16px;
  padding: 0 9px;
  letter-spacing: 1px;
  color: #238ed9;
  margin-bottom: 5px;
}
@media all and (max-width: 767px) {
  .caseDetail .titleBox .sort span {
    padding: 0 7px;
    margin: -5px 0 2px;
  }
}
.caseDetail .titleBox .sort span::after {
  content: "";
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  right: 0;
  background: #238ed9;
  width: 2px;
  height: 1em;
}
@media all and (max-width: 767px) {
  .caseDetail .titleBox .sort span::after {
    width: 1px;
    height: 0.85em;
  }
}
.caseDetail .titleBox .sort span::before {
  content: "";
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  left: 0;
  background: #238ed9;
  width: 2px;
  height: 1em;
}
@media all and (max-width: 767px) {
  .caseDetail .titleBox .sort span::before {
    width: 1px;
    height: 0.85em;
  }
}
.caseDetail .titleBox .title {
  font-size: 32px;
  font-weight: 500;
  letter-spacing: 1px;
}
@media all and (min-width: 768px) and (max-width: 991px) {
  .caseDetail .titleBox .title {
    font-size: 27px;
  }
}
@media all and (max-width: 767px) {
  .caseDetail .titleBox .title {
    font-size: 22px;
    letter-spacing: 0;
  }
}
.caseDetail .editor_Content {
  border-top: 1px solid #c9c9c9;
  border-bottom: 1px solid #c9c9c9;
  padding: 56px 0;
  margin: 43px 0 64px;
}
@media all and (max-width: 767px) {
  .caseDetail .editor_Content {
    padding: 39px 0 32px;
    margin: 15px 0 43px;
  }
}
.caseDetail .btn_m {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: end;
      -ms-flex-pack: end;
          justify-content: flex-end;
}
@media all and (max-width: 767px) {
  .caseDetail .btn_m {
    -webkit-box-pack: start;
        -ms-flex-pack: start;
            justify-content: flex-start;
  }
}
@media all and (min-width: 768px) {
  .caseDetail .btn_m:hover .img::after {
    opacity: 1;
  }
  .caseDetail .btn_m:hover .img::before {
    opacity: 0;
  }
}