.max-w-1280 {
  width: 1280px;
  margin: auto;
}

.max-w-1088 {
  width: 1088px;
  margin: auto;
}

.flex_left_list {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
}
.dep_3 {
  width: 33.33%;
}
.top_img_box {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  text-align: center;
  -webkit-box-pack: center;
  -moz-box-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  padding-bottom: 40px;
}
.img__box {
  height: 220px;
  width: 220px;
  min-height: 220px;
  min-width: 220px;
  border-radius: 50rem;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -moz-box-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.bottom_text_box {
  text-align: center;
}
.dep_3:nth-of-type(2) .bottom_text_box {
  padding: 0 20px;
}
.bottom_text_box h5 {
  margin-bottom: 20px;
}
.bottom_text_box p {
  line-height: 1.6rem;
}
.operation_view_btn {
  text-align: center;
  background-color: #4d6781;
  display: block;
  margin: 100px auto 0;
  color: #fff;
  width: 220px;
  height: 60px;
  line-height: 60px;
  font-size: 18px;
  font-weight: 600;
}

.flex_item_box:nth-child(1) .img__box {
  background-color: #8a9dbe;
}
.flex_item_box:nth-child(2) .img__box {
  background-color: #4d6781;
}
.flex_item_box:nth-child(3) .img__box {
  background-color: #9dd4e5;
}

/*history - 연혁*/
.date_box {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  margin-bottom: 100px;
}
.date_box:last-child {
  margin-bottom: 0;
}
.date_title_num {
  width: 200px;
  height: 64px;
  border-bottom: 1px solid #000;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  padding-left: 8px;
}
.date_list_box {
  width: -moz-calc(100% - 200px);
  width: -webkit-calc(100% - 200px);
  width: -o-calc(100% - 200px);
  width: calc(100% - 200px);
}
.date_list_box > ul > li {
  border-bottom: 1px solid #ddd;
  padding: 10px 0;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  padding-left: 15px;
}
.date_list_box > ul > li:first-child {
  height: 64px;
}
.date_list_num {
  margin-right: 6px;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  width: 32px;
  min-width: 32px;
  height: 64px;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
}
.box_list_text_wrap {
  margin-bottom: 70px;
  line-height: 1.6em;
}
.box_list_text_wrap:last-child {
  margin-bottom: 0;
}
.next_list_style_circle > li,
.list_style_circle {
  padding-left: 16px;
  margin-bottom: 10px;
  position: relative;
  font-size: 18px;
}
.next_list_style_circle > li::after,
.list_style_circle::after {
  width: 3px;
  height: 3px;
  background-color: #707070;
  display: block;
  content: '';
  position: absolute;
  left: 8px;
  top: 0.8rem;
  border-radius: 50em;
}
.next_list_style_box {
  max-width: 400px;
}
.next_list_style_box > li {
  background-color: #eee;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -moz-box-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  text-align: center;
  margin-bottom: 10px;
  min-height: 50px;
}
.client_img_item_box::after {
  clear: both;
  display: block;
  content: '';
}
.client_img_item_box > li {
  display: block;
  width: 130px;
  height: 60px;
  border: 1px solid #ccc;
  border-radius: 5px;
  float: left;
  margin-right: 10px;
  margin-bottom: 10px;
  overflow: hidden;
}
.client_img_item_box > li > img {
  width: 100%;
  object-fit: contain;
  object-position: center;
}

/*설치사용료*/
.txt_item_wrap {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  border: 1px solid #ccc;
}
.txt_item_box {
  border-right: 1px solid #ccc;
  width: 20%;
}
.txt_item_box:last-child {
  border-right: 0;
}
.txt_item_box .top_title {
  background: #f9f9f9;
  border-bottom: 1px solid #ccc;
  height: 40px;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -moz-box-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.txt_item_box .bottom_txt {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -moz-box-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  min-height: 80px;
  text-align: center;
}

.more_btn {
  color: #fff;
  background-color: #000;
  height: 50px;
  width: 200px;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -moz-box-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  margin-top: 10px;
}
.url_box {
  border-radius: 50em;
  border: 10px solid #34609a;
  width: 200px;
  height: 200px;
  margin: auto;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -moz-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -moz-box-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.url_box p {
  width: 90%;
}
.felx-btn-wrap {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -moz-box-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.txt_btn_box {
  background: #34609a;
  color: #fff;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -moz-box-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  width: 200px;
  height: 60px;
  border-radius: 5px;
}
.felx-btn-wrap a:first-child {
  margin-right: 10px;
}

/*이미지박스 레이아웃*/
.img_wrap {
  width: 100%;
  max-width: 800px;
  object-fit: contain;
  object-position: center;
}
.img_wrap img {
  width: 100%;
}
.img_flexed_wrap {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
}
.img_flexed_box {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
}
.img_flexed_arrow {
  width: 80px;
  min-width: 80px;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -moz-box-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.img_flexed_arrow img {
  width: 70px;
}

.flexed_item_list {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
}
.flexed_txt_item {
  background: #eee;
}
.item_boox {
  height: 150px;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -moz-box-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-orient: vertical;
  -moz-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  width: 100%;
}

.flex_only_row {
  -webkit-box-orient: horizontal;
  -moz-flex-direction: row;
  -ms-flex-direction: row;
  flex-direction: row;
}
.flex_only_column {
  -webkit-box-orient: vertical;
  -moz-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
}
.circle_box {
  width: 80px;
  height: 80px;
  border-radius: 50em;
  background: #eee;
  object-fit: contain;
  object-position: center;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -moz-box-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  overflow: hidden;
}
.circle_box img {
  width: 70%;
}

.txt_flex_center {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -moz-box-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-orient: vertical;
  -moz-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
}
.arrow_txt {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -moz-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
}
.arrow_txt > div {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -moz-align-items: center;
  -ms-flex-align: center;
  align-items: center;
}
.box_item_back {
  background: #edf2f5;
  border-radius: 5px;
  padding: 10px;
}

/*section2 :: 서비스문의 :: Service_inquiry_form*/
.Service_inquiry_form {
  width: 100%;
}
.group_title {
  border-bottom: 2px solid #000;
  display: block;
  width: 100%;
  line-height: 2em;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 10px;
  color: #000;
  padding-top: 10px;
}

.Service_inquiry_form .Service_th {
  font-size: 15px;
  text-align: left;
  width: 100px;
  height: 50px;
  color: #000;
  white-space: nowrap;
  padding-right: 10px;
}

.Service_inquiry_form table {
  width: 100%;
}
.Service_inquiry_form tr {
  width: 100%;
}
.Service_inquiry_form span,
.Service_inquiry_form label,
.Service_inquiry_form i {
  -webkit-user-select: none !important;
  -moz-user-select: -moz-none !important;
  -ms-user-select: none !important;
  user-select: none !important;
}

.Service_inquiry_form .Service_td.pc_2 {
  width: 44%;
}
.Service_inquiry_form .Service_td.pc_1 {
  width: 94%;
}
.Service_inquiry_form .pc_2_border {
  padding-left: 10px;
  padding-right: 10px;
}

/*input, select*/
.Service_inquiry_form input {
  height: 30px;
  border-radius: 4px;
  border: 1px solid #bbb !important;
  line-height: 30px;
  text-indent: 8px;
}
.Service_inquiry_form select {
  text-indent: 4px;
}

.Service_inquiry_form .input_1 {
  border: 1px solid #bbb;
  width: 99%;
}

.Service_inquiry_form .input_3 {
  width: -moz-calc(33% - 20px);
  width: -webkit-calc(33% - 20px);
  width: -o-calc(33% - 20px);
  width: calc(33% - 20px);
  display: inline-block;
}
.Service_inquiry_form .select_1 {
  width: 99%;
  height: 30px;
  border-radius: 4px;
  border: 1px solid #bbb;
}
.Service_inquiry_form .select_3 {
  width: -moz-calc(33% - 20px);
  width: -webkit-calc(33% - 20px);
  width: -o-calc(33% - 20px);
  width: calc(33% - 20px);
  height: 30px;
  border-radius: 4px;
  border: 1px solid #bbb;
}
.Service_inquiry_form .select_3_p {
  width: 35%;
}
.Service_inquiry_form span {
  line-height: 30px;
  font-size: 16px;
  width: 30px;
  display: inline-block;
  text-align: center;
}

.Service_inquiry_form .input_span {
  line-height: 30px;
  font-size: 14px;
  color: #000;
  padding-left: 4px;
  margin-right: 14px;
}

.Service_inquiry_form input[type='checkbox'] {
  width: 16px;
  height: 16px;
  margin-top: 7px;
  border: 1px solid #bbb;
}

.Service_text {
  vertical-align: top;
  padding-top: 10px;
}
.Service_inquiry_form .Service_textarea {
  border: 1px solid #ddd;
  border-radius: 4px;
  width: 99%;
  height: 100px;
  resize: none;
}

/*약관동의*/
.svc_info_title {
  font-size: 15px;
  font-weight: 600;
  color: #000;
  margin-bottom: 4px;
  padding-top: 10px;
}
.svc_info {
  border: 1px solid #bbb;
  border-radius: 4px;
  padding: 10px;
  line-height: 1.4em;
  width: -moz-calc(100% - 20px);
  width: -webkit-calc(100% - 20px);
  width: -o-calc(100% - 20px);
  width: calc(100% - 20px);
}
.svc_info_agre {
  text-align: center;
  line-height: 30px;
  font-size: 15px;
  color: #000;
  margin-top: 20px;
}
.btn_area_wrap {
  text-align: center;
}
.btn_area {
  display: block;
  margin: auto;
  color: #fff;
  width: 120px;
  height: 50px;
  line-height: 50px;
  font-size: 16px;
  text-align: center;
  margin: auto;
}
.Service_inquiry_form .form_hr {
  border: 1px solid #eee;
  margin: 40px 0 60px;
}
.btnon,
.btnoff {
  display: inline-block;
}
.btnon {
  background-color: #000;
}
.btnoff {
  background-color: #999;
}
@media screen and (max-width: 1024px) {
  .box_list_text_wrap > ul {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
  }

  .next_list_style_circle.oneLi {
    display: block;
  }
  .client_img_item_box > li {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0;
    margin-bottom: 0;
    width: inherit;
  }
  .client_img_item_box > li > img {
    width: initial;
  }
}

/*반응형*/
@media screen and (max-width: 900px) {
  /*이미지박스 레이아웃*/
  .img_flexed_wrap {
    -webkit-box-orient: vertical;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: center;
    -moz-align-items: center;
    -ms-flex-align: center;
    align-items: center;
  }
  .tb_item_center {
    -webkit-box-align: center;
    -moz-align-items: center;
    -ms-flex-align: center;
    align-items: center;
  }
  .tb_flex_column {
    -webkit-box-orient: vertical;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
  }
  .tb_flex_row {
    -webkit-box-orient: horizontal;
    -moz-flex-direction: row;
    -ms-flex-direction: row;
    flex-direction: row;
  }
  .tb_flex_rowreverse {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
    -moz-flex-direction: row-reverse;
    -ms-flex-direction: row-reverse;
    flex-direction: row-reverse;
  }
  .img_flexed_arrow {
    width: 100% !important;
  }
  .flex_left_list {
    -webkit-box-orient: vertical;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
  }
  .flex_item_box {
    padding-bottom: 50px;
  }
  .dep_3 {
    width: 100%;
  }
  .img__box {
    height: 200px;
    width: 200px;
    min-height: 200px;
    min-width: 200px;
  }
}
@media screen and (max-width: 1024px) {
  .operation_view_btn {
    margin-top: 60px;
  }
}

@media screen and (max-width: 768px) {
  /*설치사용료*/
  .txt_item_wrap {
    -webkit-box-orient: vertical;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    border-top: 0;
  }
  .txt_item_box {
    border-right: 0;
    width: 100%;
  }
  .txt_item_box:last-child {
    border-right: 0;
  }
  .txt_item_box .top_title {
    background: #f9f9f9;
    border-top: 1px solid #ccc;
    border-bottom: 1px solid #ccc;
    height: 40px;
  }
  .txt_item_box .bottom_txt {
    min-height: 80px;
  }

  /*history - 연혁*/
  .date_box {
    -webkit-box-orient: vertical;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
  }
  .date_title_num {
    width: 100%;
  }
  .date_list_box {
    width: 100%;
  }
  .date_list_box > ul > li:first-child {
    height: auto;
  }

  /*section2 :: 서비스문의 :: Service_inquiry_form*/
  .group_title {
    font-size: 18px;
  }
  .Service_inquiry_form .Service_th {
    text-align: left;
    width: 100px;
    height: auto;
    display: block;
    float: left;
    padding-bottom: 4px;
    margin-top: 6px;
  }
  .Service_inquiry_form table {
    width: 100%;
    margin-bottom: 20px;
  }
  .Service_inquiry_form tr {
    width: 100%;
    display: block;
  }
  .Service_inquiry_form .Service_td.pc_2 {
    width: 100%;
  }
  .Service_inquiry_form .Service_td.pc_1 {
    width: 100%;
  }
  .Service_inquiry_form .Service_td {
    display: inline-block;
    margin-bottom: 10px;
  }
  .Service_inquiry_form .pc_2_border {
    padding-left: 0 !important;
  }

  /*input, select*/
  .Service_inquiry_form input {
    height: 30px;
    border-radius: 4px;
    border: 1px solid #bbb !important;
    line-height: 30px;
    text-indent: 8px;
  }
  .Service_inquiry_form select {
    text-indent: 4px;
  }
  .Service_inquiry_form .input_1 {
    border: 1px solid #bbb;
    width: 100%;
  }
  .Service_inquiry_form .input_3 {
    width: -moz-calc(33% - 13px);
    width: -webkit-calc(33% - 13px);
    width: -o-calc(33% - 13px);
    width: calc(33% - 13px);
    display: inline-block;
  }
  .Service_inquiry_form .select_1 {
    width: 100%;
    height: 30px;
    border-radius: 4px;
    border: 1px solid #bbb;
  }
  .Service_inquiry_form .select_3 {
    width: -moz-calc(33% - 13px);
    width: -webkit-calc(33% - 13px);
    width: -o-calc(33% - 13px);
    width: calc(33% - 13px);
    height: 30px;
    border-radius: 4px;
    border: 1px solid #bbb;
  }
  .Service_inquiry_form .select_3_p {
    width: -moz-calc(34%);
    width: -webkit-calc(34%);
    width: -o-calc(34%);
    width: calc(34%);
  }
  .Service_inquiry_form span {
    font-size: 14px;
    width: 20px;
  }
  .Service_inquiry_form .input_span {
    font-size: 14px;
    padding: 0;
    margin: 0;
    margin-right: 14px;
  }
  .Service_inquiry_form .Service_textarea {
    width: 100%;
    height: 100px;
  }

  /*약관동의*/
  .svc_info_title {
    font-size: 14px;
  }
  .svc_info_agre {
    font-size: 14px;
  }
  .btn_area_wrap {
    text-align: center;
  }
  .btn_area {
    width: 100px;
    height: 46px;
    line-height: 46px;
    font-size: 16px;
  }
  .sms_check input {
    display: inline-block;
  }
  input#proCall,
  input#comCall,
  input#info_agree {
    display: inline-block;
  }

  /* Start 모바일 솔루션 */
  .next_list_style_circle > li,
  .list_style_circle {
    font-size: 14px;
  }
  /* End 모바일 솔루션 */
}

@media screen and (max-width: 440px) {
  .felx-btn-wrap {
    -webkit-box-orient: vertical;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: center;
    -moz-align-items: center;
    -ms-flex-align: center;
    align-items: center;
  }
  .felx-btn-wrap a:first-child {
    margin-right: 0;
  }

  .img__box {
    height: 150px;
    width: 150px;
    min-height: 150px;
    min-width: 150px;
  }
  .bottom_text_box h5 {
    font-size: 20px;
  }
}

@media screen and (max-width: 480px) {
  .box_list_text_wrap > ul {
    grid-template-columns: 1fr 1fr;
  }
}