/* 섹션 및 어사이드 시작 */


section {
  float: right;
  width: 1000px;
  min-height: 1000px;
}
.page_title {
  -webkit-border-bottom: 2px solid var(--main-color-2);
  border-bottom: 2px solid #c1dee2;
}
.box_picture {
  width: 900px;
  margin: 20px;
}
.box_picture img {
  margin: 20px 20px;
  height: 500px;
  -webkit-border-bottom: 2px solid var(--main-color-5);
  border-bottom: 2px solid #234a56;
  border-right: 2px solid gray;
}

.box {
  display: inline-block;
}
#title {
  margin-top: 30px;
  font-size: 30px;
  text-align: center;
  font-weight: bold;
  text-shadow: 1px 1px var(--main-color-3);
  -webkit-border-bottom: 2px solid var(--main-color-1);
  border-bottom: 2px solid #dde7dc;
  padding-bottom: 30px;
}
#title span {
  display: inline-block;
  margin-bottom: 40px;
}
#substance div {
  display: inline-block;
  padding: 20px;
}


/* 이미지 효과 넣기 */
.box_picture ul,.box_picture li {
  list-style:none;
  text-align: center;
}
#slide{position:relative;overflow:hidden;}
#slide ul{width:400%;height:100%;transition:1s;}
#slide ul:after{content:"";display:block;clear:both;}
#slide li{float:left;width:25%;height:100%;}
#slide input{display:none;}
#slide label{display:inline-block;vertical-align:middle;width:10px;height:10px;
  -webkit-border:2px solid var(--main-color-1);
  border:2px solid #dde7dc;
  background:#fff;transition:0.3s;border-radius:50%;cursor:pointer;}
#slide .pos{text-align:center;position:absolute;bottom:-15px;left:0;width:100%;text-align:center;}
#pos1:checked~ul{margin-left:0%;}
#pos2:checked~ul{margin-left:-100%;}
#pos3:checked~ul{margin-left:-200%;}
#pos4:checked~ul{margin-left:-300%;}
#pos1:checked~.pos>label:nth-child(1){-webkit-background:var(--main-color-2); background: #43696e;}
#pos2:checked~.pos>label:nth-child(2){-webkit-background:var(--main-color-2); background: #43696e;}
#pos3:checked~.pos>label:nth-child(3){-webkit-background:var(--main-color-2); background: #43696e;}
#pos4:checked~.pos>label:nth-child(4){-webkit-background:var(--main-color-2); background: #43696e;}