@charset "utf-8";

h3 {
  font-size: 24px;
}

/* #sub_container .contents {
    background: #f9f9f9;
}

.section-title-prd {
    background: #f9f9f9;
}
 */

#sub_container .con {
  padding-bottom: 50px;
}

.sub_board_tab > a {
  display: inline-block;
  background-color: #ffffff;
  font-weight: bold;
  margin-left: 10px;
  box-sizing: border-box;
  box-shadow: rgba(100, 100, 111, 0.2) 0px 7px 29px 0px;
  border-radius: 15px;
}

.sub_board_tab > a:first-child {
  margin-left: 1%;
}

.sub_board_tab > a:hover {
  background-color: rgb(133, 0, 0);
  color: white;
  border: 0;
}

.sub_board_tab .black {
  background-color: rgb(133, 0, 0);
  color: white;
  border: 0;
}

td > table {
  margin: 0 auto;
}

.main_list {
  width: 100%;
}

.main_list > tbody > tr:nth-child(2n + 3) {
  height: 60px;
}

/* 
.main_list>tbody>tr:last-child{
    height: 0;
} */

.video_con {
  display: inline-block;
  width: 18%;
  margin: 0 1%;
}

.video_con:first-child {
  margin-left: 0;
}

.video_con:last-child {
  margin-right: 0;
}

.video_con > table {
  width: 100%;
}

/* table>tbody>tr>td>table>tbody>tr>td>table>tbody>tr:first-child>td>div */
#iconlayer {
  display: none;
}

/* .main_list>tbody>tr>td {
    padding: 0 15px !important;
} */

.video_con > table > tbody > tr:first-child {
  height: 200px;
}

.video_con a {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
}

.video_con > table > tbody > tr > td > a > img {
  width: 100%;
  height: 100%;
}

.video_con tr:last-child .nt01 {
  text-align: left;
  padding-top: 10px;
}

.video_con tr:last-child .nt01 span {
  display: block;
  width: fit-content;
  font-size: 17px;
}

.video_con tr:last-child .nt01 span::after {
  content: "";
  display: block;
  width: 80%;
  height: 2px;
  margin-top: 10px;
  background-color: rgb(133, 0, 0);
  transition: 0.3s;
}

.video_con:hover tr:last-child .nt01 span::after {
  width: 110%;
}

.qna_title {
  text-align: left;
  padding-top: 20px;
  font-size: 1.8rem;
  font-weight: 400;
}

.qna_myname {
  display: none;
}

@media screen and (max-width: 1300px) {
  .board_youtube {
    position: relative;
    width: 100%;
    height: auto;
    padding-top: 50%;
    margin: 40px auto;
  }

  .board_youtube iframe {
    z-index: 1;
    top: 0;
    left: 0;
    position: absolute;
    width: 100%;
    height: 100%;
  }
}

@media screen and (max-width: 700px) {
  .main_video > table > tbody > tr > td > table > tbody > tr > td {
    display: block;
    width: 90%;
    padding: 20px 5% !important;
  }

  .main_video > table > tbody > tr > td > table > tbody > tr > td img {
    width: 100%;
    height: auto;
  }

  .video_1 {
    width: 100%;
    padding: 0 !important;
  }

  .main_video > table > tbody > tr > td > table > tbody > tr:nth-child(2n-1) {
    display: none;
  }

  .main_video > table > tbody > tr > td > table > tbody > tr:first-child {
    display: block;
  }

  .main_video > table > tbody > tr > td > table > tbody > tr:last-child {
    display: block;
  }

  .nt01 {
    font-size: 1.3rem;
    letter-spacing: -0.5px;
    font-weight: 500;
  }
}