/* 웹폰트 --------------*/
@import url('https://webfontworld.github.io/NexonLv1Gothic/NexonLv1Gothic.css');
@import url('https://webfontworld.github.io/tmon/Tmon.css');

/* 여백 초기화 --------------*/
* {
    margin: 0;
    padding: 0;
    font-family: 'NexonLv1Gothic';
    font-size: 16px;
    line-height: 1.6;
}


/* 링크 초기화 --------------*/
a {
    text-decoration: none;
    color: #222;
}


/*목록 초기화 --------------*/
li {
    list-style: none;
}


/* 제목 초기화 --------------*/
h1, h2, h3, h4, h5, h6{
    font-weight: normal;
}


/* em , i 테그 기울기 초기화 */
em, i {
    font-style: normal;
}

/* 테이블 초기화 */
table{
    width: 100%;
    border-spacing: 0;
    border-collapse: collapse;
}


/* 레이아웃 */
body {
    background-color: #f5f5f5;
}


#header {
    position:fixed;
    left: 0;
    top: 0;
    width: 100%;
    z-index: 10000;
    backdrop-filter: blur(10px);
    padding: 14px 20px 5px 20px;
    box-sizing: border-box;
    border-bottom:  1px solid #000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}


#main {
    padding: 20px;
    max-width: 1300px;
    margin: 0 auto; /* 가운데 정렬 */
}


#footer {
    padding: 40px 0;
    text-align: center;
}

#footer a:hover {
    text-decoration: underline;
}


/* 헤더 영역 */
#header {
    padding: 14px 20px 5px 20px; /* 위 오른쪽 아래 왼쪽 */
}


#header h1 a {
    font-size: 36px;
    font-weight: 500;
}


#header span {
    color: #666;
    padding-top: 20px;
}

/* 메인 영역 */

.main_header {}
.main_header h2 {
    font-size: 80px;
    text-align: center;
    padding: 10% 10% 5% 10%;
    font-family: 'Tmon';
}


.main_header h2 em {
    font-size: 80px;
    color: #00db72;
    font-family: 'Tmon';
}


.main_menu {}

.main_menu li {
    display: inline;
}
.main_menu li a {
    background: #00db72;
    padding: 5px 15px;
    display: inline-block;
    color: #fff;;
    margin-bottom: 5px;
}

.main_menu li.active a{
    background-color: #000;
    color: #fff;
}

.main_refer {
    border: 1px solid #000;
    padding: 30px;
    background-color: #fff;
    margin-top: 20px;
}


.main_refer .table{
    text-align: center;
}
.main_refer .table table {
    width: 100%;
    border: 1px solid #cdcdcd;
}

.main_refer .table table tr th{
    background-color: #f5f5f5;
    font-weight: normal;
}

.main_refer .table table tr th,
.main_refer .table table tr td {
    border: 1px solid #cdcdcd;
    padding: 10px;
}
.main_refer .table table tr td:nth-child(3){
    text-align: left;
}

.main_refer .table table tr:hover{
    background-color: #00db712c;
}

.main_refer .table table tr a:hover{
    text-decoration: underline;
}
.main_refer .table table tr td span{
    font-size: 16px;
    line-height: 1.6;
}

/* 티스토리용 문서 */
.document{
    word-break: keep-all; /*글자로 끊어지지 않고 단어로 끊어짐*/
}
.document hr{
    border: 0;
    border-top: 1px dashed #dcdcdc;
    margin-top: 45px;
}
.document i{ /* '프로그래밍 언어' 강조 관련 */
    font-style: normal;
    position: relative;
}
.document i::before{ /* 밑줄관련 */
    content: '';
    background-color: #0242f149;
    width:100%;
    height: 10px;
    position: absolute;
    left: 0;
    bottom: 0;
    border-radius: 20px;
}
.document .t_tit{
    font-size: 30px;
    line-height: 1.6;
    margin-bottom: 5px;
    font-weight: 400;
}
.document .t_tit2{
    font-size: 22px;
    line-height: 1.6;
    margin-top: 50px;
    margin-bottom: 5px;
    font-weight: 400;
}
.document .t_tit3{
    font-size: 16px;
    line-height: 1.6;
    margin-top: 5px;
    margin-bottom: 5px;
    font-weight: 400;
    /*font-weight: 700; 폰트 진하게*/
}
.document .t_desc{
    font-size: 16px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 10px !important;
}

.document .t_desc2{
    font-size: 16px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 10px !important;
    padding: 15px 20px !important;
    border-left: 4px solid #00db72;
    background-color: #f9f9f9;
}

.document .t_desc2_css{
    font-size: 16px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 10px !important;
    padding: 15px 20px !important;
    border-left: 4px solid #037D00;
    background-color: #f9f9f9;
}

.document .t_desc2_html{
    font-size: 16px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 10px !important;
    padding: 15px 20px !important;
    border-left: 4px solid #7d005e;
    background-color: #f9f9f9;
}

.document .t_desc2_presentation{
    font-size: 16px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 10px !important;
    padding: 15px 20px !important;
    border-left: 4px solid #206973;
    background-color: #f9f9f9;
}
.document .t_box{
    padding: 20px !important;
    background-color: #f9f9f9;
    margin-bottom: 10px;
    color: #666;
    border-radius: 5px;
}
.document .t_iframe{
    position: relative;
    padding-top: 56%;
    width: 100%;
    height: 0;

}
.document .t_iframe iframe{
    border: 1px solid rgba(0,0,0,0.1);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}


/* 미디어쿼리 */
@media (max-width: 900px){
    #header{
        display: none;
    }
    .main_header h2 {
        font-size: 40px;
        padding: 40px;
    }
    .main_header h2 em{
        font-size: 40px;
    }
    .main_refer{
        border: 0;
        padding: 0;
    }
    .main_refer .table {
        overflow-x: auto;
    }
    .main_refer .table table {
        min-width: 900px;
    }

    .main_refer .table table tr th,
    .main_refer .table table tr td {
        font-size: 14px;
    }
}

@media (max-width: 460px){
    .main_header h2 {
        font-size: 30px;
        padding: 20px;
    }
    .main_header h2 em{
        font-size: 30px;
    }
}