.board_detail_sty01 {
	width: 100%; 
	overflow: hidden;
}
.board_detail_sty01 .tit {
	width: 100%;
	border-bottom: 1px solid #ddd; 
	padding-bottom: 1rem;
	display: flex;
	flex-wrap: wrap;
}
.board_detail_sty01 .category {
	font-size: 1.7rem;
    color: #707070;
	/* margin-left: 3rem; */
	display: flex;
}
.board_detail_sty01 .category span:nth-child(1) {
    color: #555;
    font-weight: 500;
}
.board_detail_sty01 .category span:nth-child(2) {
    margin-left: 1rem;
    padding-left: 1rem;
    position: relative;
}
.board_detail_sty01 .category span:nth-child(2)::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 1px;
    height: 1.5rem;
    background-color: #ccc;
}
.board_detail_sty01 .tit ul {
	display: flex;
	font-size: 1.7rem;
    color: #707070;
	font-family: 'Pretendard';
}
.board_detail_sty01 .tit li:first-child {
	color: #555;
	font-weight: 500;
}
.board_detail_sty01 .tit li:not(:first-child) {
	position: relative;
    margin-left: 1rem;
    padding-left: 1rem;	
}
.board_detail_sty01 .tit li:not(:first-child)::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 1px;
    height: 1.5rem;
    background-color: #ccc;
}
.board_detail_sty01 > .tit > h2 {
	display: block; 
	width: 100%; 
	font-size: 3rem; 
	padding: 2rem 0 1rem;
	line-height: 3.8rem;
}
.board_detail_sty01 > .wrap_con {
	border-bottom: 1px solid #ddd;
}
.board_detail_sty01 > .wrap_con > .con {
	padding: 3rem 0;
    line-height: var(--basic-line);
	/* min-height: 20rem; */
}

.board_detail_sty01 > .wrap_con > .con_file {
	border-top: 1px solid #ddd; 
	padding: 1.8rem 0;
	display: flex;
}
.board_detail_sty01 > .wrap_con > .con_file > h3 {
	width: 8rem;
	text-align: center;
	flex-shrink: 0;
	font-weight: 500;
	font-size: 1.8rem;
	margin-right: 1rem;
	padding-top: 0.5rem;
}
.board_detail_sty01 > .wrap_con > .con_file > ul {

}
.board_detail_sty01 > .wrap_con > .con_file > ul li {
	float: left; width:100%; margin:2px 0;
}
.board_detail_sty01 > .wrap_con > .con_file > ul li a {
	background: url('../images/ico_clip.png') no-repeat 0 center / 1.8rem; 
	/* color: #777;  */
	padding-left: 2.5rem;
	font-size: 1.6rem;
	line-height: 2.3rem;
}
.board_detail_sty01 > .wrap_con > .con_file > ul li a:hover {
	border-bottom: 1px solid #555;
}
.prve_next_list {
	float: left;
    position: relative;
    margin-top: 5.5rem;
}
.prve_next_list::after {
	position: absolute; 
	content:''; 
	width: 1px; 
	height: 1.3rem; 
	background: #bbb; 
	left: 50%; 
	top: 50%; 
	transform:translateY(-50%);
}
.prve_next_list ul li {
	float: left; 
	padding: 0 2.2rem; 
	position: relative; 
	font-size: 1.8rem; 
	color: #555; 
	cursor: pointer; 
	font-weight: 500;
}
.prve_next_list ul li.none_con {
	color: #888; 
	font-weight: 300;
}
.prve_next_list ul li:first-child {
	padding-left: 3rem;
}
.prve_next_list ul li:last-child {
	padding-right: 3rem;
}
.prve_next_list ul li:first-child::before {
	position: absolute; 
	content: ''; 
	left: 0; 
	top: 0.4rem; 
	transform: rotate(-135deg); 
	width: 0.9rem; 
	height: 0.9rem; 
	border: 0; 
	border-top: 1px solid #2d2d2d; 
	border-right: 1px solid #2d2d2d;
}
.prve_next_list ul li:first-child::after {
	position: absolute; 
	content: ''; 
	left: 0; 
	width: 1.7rem; 
	height: 1px; 
	top: 0.8rem; 
	background-color: #2d2d2d;
}
.prve_next_list ul li:last-child::before {
	position: absolute; 
	content: ''; 
	right: 0; 
	top: 0.4rem; 
	transform: rotate(45deg); 
	width: 0.9rem; 
	height: 0.9rem; 
	border: 0; 
	border-top: 1px solid #2d2d2d; 
	border-right: 1px solid #2d2d2d;
}
.prve_next_list ul li:last-child::after {
	position: absolute; 
	content: ''; 
	right: 0; 
	width: 1.7rem; 
	height: 1px; 
	top: 0.8rem; 
	background-color: #2d2d2d;
}
.prve_next_list ul li.none_con:first-child::before {
	border-color: #949494;
}
.prve_next_list ul li.none_con:first-child::after {
	background-color: #949494;
}
.prve_next_list ul li.none_con:last-child::before {
	border-color: #949494;
}
.prve_next_list ul li.none_con:last-child::after {
	background-color: #949494;
}
.video-container {
	position: relative;
	padding-bottom: 50%;	/*56.25%;*/
	padding-top: 3rem;
	height: 0;
	overflow: hidden;
}
.board_bt_set01 {
	float: right; 
	margin-top: 3.9rem;
}

.video-container iframe,
.video-container object,
.video-container embed {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}


/* 미디어쿼리 */
@media screen and (max-width: 540px) {
	.board_detail_sty01 .tit {
		display: block;
	}
	.board_detail_sty01 .category {
		font-size: 1.5rem;
		/* margin-left: 0; */
		/* margin-top: 1rem; */
	}
	.board_detail_sty01 .category span:nth-child(2) {
		margin-left: 0.8rem;
		padding-left: 0.8rem;
	}
	.board_detail_sty01 .category span:nth-child(2)::before {
		height: 1rem;
	}
	.board_detail_sty01 .tit ul {
		margin-top: 1rem;
		font-size: 1.5rem;
	}
	.board_detail_sty01 .tit li:not(:first-child) {
		margin-left: 0.8rem;
		padding-left: 0.8rem;
	}
	.board_detail_sty01 .tit li:not(:first-child)::before {
		height: 1rem;
	}
	.board_detail_sty01 > .tit > h2 {
		padding-top: 1rem;
		font-size: 2.4rem;
		line-height: 3.4rem;
		padding-bottom: 0;
		font-weight: 500;
	}
	.board_detail_sty01 > .wrap_con > .con * {
		font-size: 1.8rem !important;
		line-height: var(--basic-line) !important;
	}
	.board_detail_sty01 > .wrap_con > .con_file > h3 {
		width: 6rem;
	}
	.prve_next_list {
		margin-top: 5.4rem;
	}
	.prve_next_list ul li {
		font-size: 1.7rem;
		padding: 0 1.5rem;
	}
	.prve_next_list ul li:first-child {
		padding-left: 2.6rem;
	}
	.prve_next_list ul li:last-child {
		padding-right: 2.6rem;
	}
	.board_bt_set01 .btn.regular {
		width: 14rem;
	}
}
/* 540 */