@charset "utf-8";
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable.min.css");

body,
html {-webkit-text-size-adjust: none;}
body {font-family: "Pretendard Variable", "Malgun Gothic", "맑은 고딕", sans-serif;}
footer {margin-top:0;}

/* ========== global  ========== */
.joinEvent {position:relative; min-width:320px;}
.joinEvent * {box-sizing:border-box;}
.joinEvent section {position:relative; -webkit-text-size-adjust:none;}
.joinEvent .evt_area {position:relative; width:100%;}
.joinEvent .evt_inner {position:relative; padding:0 5.26vw; margin:0 auto;}
.joinEvent .tit_wrap,
.joinEvent .img_wrap {position:relative; text-align:center; margin:0 auto;}
.joinEvent .img_wrap img {display:block; max-width:100%;}
.joinEvent .btn_wrap {padding:0 7.63vw;}

/* text */
.sr-only {position:absolute; width:1px; height:1px; margin:-1px; padding:0; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;}

.nt_txt {margin-top:2.63vw; line-height:1; font-size:2.89vw; font-weight:500; color:#222; text-align:center;}

/* PC version */
.pc-more_btn {padding:1.3rem 1rem; background-color:#fff; text-align:center;}
.pc-more_btn a {display:block; padding:1rem 0; font-weight:bold; background:#f5f5f5;}
.pc-more_btn .btn_box1 {overflow:hidden; display:inline-block; background-color:#fff; min-width:6.1rem;
    padding:0.5rem 0.8rem 0.4rem; border: 0.1rem solid #696e7a; color: #3f3f3f; text-align:center;  vertical-align:middle;}


/* ========== contents  ========== */
/* main title  */
.main_title .group_gravity {position:absolute; left:0; right:0; bottom:max(calc(320px * 0.2789), 27.89vw); text-align:center;}
.main_title .list_period {display:inline-grid; grid-template-columns:1fr max-content; column-gap:1.97vw; row-gap:2.37vw; align-items:center; text-align:left;}
.main_title .list_period dt,
.main_title .list_period dd {font-size:max(calc(320px * 0.03421), 3.421vw); color:#222; font-weight:600; vertical-align:middle; letter-spacing:-1px;}
.main_title .list_period dt {padding:0.39vw 2.37vw 0.263vw; text-align:center; letter-spacing:-0.125vw; border:1px solid #222; border-radius:max(calc(320px * 0.02895), 2.895vw);}
.main_title .list_period dd strong {font-weight:700;}
.main_title .list_period + .list_period {margin-top:17px; margin-top:2.237vw;}

.main_title .btn_wrap {position:absolute; left:0; right:0; bottom:max(calc(320px * 0.1053), 10.53vw); margin:0 auto;}

/* event done */
.pageDone {position:absolute; top:39%; right:9%; z-index:2; width:22%;}


/* cont1 */
#cont1 .btn_wrap {position:absolute; left:0; right:0; bottom:15.19%; z-index:3;}
#cont1 .nt_txt {bottom:6.44%;}

.randomBox {position:absolute; top:max(calc(320px * 0.4697), 46.97vw); left:0; right:0; margin:0 auto;}
.randomBox_btn {position:relative !important; margin-top:max(calc(320px * 0.0658), 6.58vw);}

.event_section {padding:0 7.50vw; text-align:center;}
.event_section .locker_row {position:relative; display:inline-grid; grid-template-columns:repeat(3, 1fr); grid-template-rows: repeat(2, auto); margin:0 auto; border:1px solid #000;}
.event_section .img_box {position:relative; cursor:pointer; transition: all 0.3s ease-out;}
.event_section .img_box img {width:max(calc(320px * 0.283), 28.3vw); max-width:215px;}
.event_section .img_box .locker_open {position:absolute; top:0; left:0; opacity:0;}
.event_section .img_box:hover .locker_open {opacity:1;}

.locker_bottom {max-width:760px; margin:0 auto;}

/* .event_section .locker_bottom {position:absolute; left:0; right:0; margin:0 auto; width:max(calc(320px * 0.903), 90.3vw); max-width:686px;} */


/* cont2 */
#cont2 {padding-bottom:10.53vw; background:#FA578A;}
#cont2 .img_wrap img + img {margin-top:2.63vw;}
#cont2 .btn_benefit {position:absolute; right:3.95vw; bottom:4.08vw; width:36.84vw; height:5.26vw; font-size:0;}
#cont2 .remark_txt {margin:2.63vw 0 0;}
#cont2 .remark_txt li {line-height:2.89vw; font-size:2.11vw; font-weight:400; color:rgba(255,255,255,.8);}


/* event tab */
.evt_tab_wrap {display:flex; margin-top:6.58vw;}
.evt_tab_wrap li {flex:1 1 40%; height:14.34vw; background:#B8B8B8; border-top-left-radius:2.63vw; border-top-right-radius:2.63vw;}
.evt_tab_wrap li.active{background:#00B24C;}
.evt_tab_wrap button {width:100%; height:100%; line-height:4.74vw; font-size:3.68vw; font-weight:400; color:#fff; letter-spacing:-0.3px;}
.evt_tab_wrap button strong {display:block;}

.evt_verif_wrap {padding:5.79vw 2.37vw 6.58vw; text-align:center; background:#fff; border-radius:0 0 2.63vw 2.63vw;} /* 2026-01-08 */
.evt_verif_wrap h4 {line-height:4.74vw; font-size:3.95vw; font-weight:700; color:#181c32;}

.evt_verif_wrap .upload_item {display:inline-block; margin:3.42vw 0 5.26vw;}
.evt_verif_wrap .upload_image .image-box {display:block; width:55.26vw; height:30.39vw; object-fit:cover;}
.evt_verif_wrap .upload_btn {display:block; width:55.26vw; height:6.58vw; cursor:pointer; background:#575A6D;}
.evt_verif_wrap .upload_btn input[type=file] {display:none;}
.evt_verif_wrap .upload_btn input[type=file] + span {line-height:6.58vw; font-size:2.37vw; font-weight:700; color:#fff;}
.evt_verif_wrap .upload_btn input[type=file] + span i {display:inline-block; width:19px; height:15px; margin-left:8px; background:url("//s3.unistudy.co.kr/images/pc/event/2025/preAcademic/ic_upload.png") no-repeat 0 / cover;}

.evt_verif_wrap .ct_agree {padding:2.24vw; text-align:left; background:#F6F6F6;} /* 2026-01-05 */
.evt_verif_wrap .chk_label input[type=checkbox] {width:2.11vw; height:2.11vw; min-width:12px; min-height:12px; margin:0; vertical-align:middle; border:1px solid #3F3F3F; border-radius:0;}
.evt_verif_wrap .chk_label,
.evt_verif_wrap p {font-size:2.11vw; color:#3f3f3f;}
.evt_verif_wrap .chk_label + p {padding-left:3.16vw;}

.evt_verif_wrap .agree_list {padding:1.58vw; margin-top:0.79vw; background:#fff;} /* 2026-01-08 */
.evt_verif_wrap .agree_list li {line-height:2.63vw; font-size:1.97vw; color:rgba(63, 63, 63, .8);}
.evt_verif_wrap .agree_list .udl {text-decoration:underline;}
.evt_verif_wrap .agree_list + p {margin-top:0.92vw;}

.evt_verif_wrap .nt_txt {margin-top:2.24vw;}
.evt_verif_wrap .nt_txt p {line-height:2.89vw; font-size:2.11vw; font-weight:400; color:#ff6060; text-align:left;}

.evt_verif_wrap .ct_input {margin:5.66vw 0 5.92vw;}
.evt_verif_wrap .input_list {width:64.13%; margin:0 auto;}
.evt_verif_wrap .input_list {display:grid; grid-template-columns:18.95vw 1fr; justify-content:center; margin-top:-1.32vw;}
.evt_verif_wrap .input_list * {font-size:3.16vw; text-align:left; color:#181c32;}
.evt_verif_wrap .input_list dt,
.evt_verif_wrap .input_list dd {margin-top:1.32vw;}
.evt_verif_wrap .input_list dt {line-height:6.58vw; text-align:left;}
.evt_verif_wrap .input_list dd input {width:100%; height:6.58vw; background:#FFF5D7; border:1px solid #3F3F3F; border-radius:0;}

.evt_verif_wrap .btn_wrap {padding:0; margin:3.95vw 0 0; font-size:0;}
.evt_verif_wrap .tab_ct2 .btn_wrap {margin-top:5.13vw;}
.evt_verif_wrap .btn_wrap a + button {margin-top:1.32vw;}


/* cont3 */
#cont3 {padding-bottom:10.53vw; background:#148946;}
#cont3 .bnr_wrap li {margin-top:3.95vw;}
#cont3 .bnr_wrap li:first-child {margin-top:0;}


/* cont4 */
#cont4 {padding-bottom:10.53vw; background:#3B35AA;}
#cont4 .btn_wrap {position:relative;}

/* noticeWrap */
.noticeWrap {width:auto; margin-top:57px; margin-top:7.5%;}
.noticeWrap_title {display:block; margin:0 auto; padding:0.8rem 0 0.7rem; background:rgba(0, 0, 0, 0.3); font-size:4.2vw; font-weight:normal; text-align:center; cursor:pointer;}
.noticeWrap_title.sub {margin-bottom:0.5rem; padding:0; background:none; font-weight:bold; font-size:3.6vw; color:#3f3f3f; text-align:left;}
.noticeWrap_list + .noticeWrap_title {margin-top:5vw;}
.noticeWrap_txt {display:inline-block; position:relative; padding:0 1rem 0 0; font-weight:bold; color: #fff;}
.noticeWrap_txt:before {position:absolute; right:-2vw; top:50%; z-index:3; font-size:calc(100% - 1vw); content:"▼"; transform: translateY(-50%);}
.noticeWrap.on .noticeWrap_txt:before {content: "▲";}
.noticeWrap_inner {display:none; margin: 0; padding: 1rem; background: #fff;}
.noticeWrap_item {margin-top:2.63vw;}
.noticeWrap_item:first-child {margin-top:0;}
.noticeWrap_list {position: relative;}
.notice_item {position: relative; padding: 0 0 0 0.7rem; margin-bottom: 0.2rem; font-size:3.2vw; line-height: 1.4; letter-spacing: -0.5px; color: #3f3f3f; word-break: keep-all; word-wrap: break-word;}
.notice_item:before {position: absolute; left: 0; top: 0; z-index: 3; content: "-";}
.notice_link {display: inline-block; font-weight:bold; font-size:inherit; color:#2D65E8; text-decoration:underline;}
.notice_item .highlight {color:#ff6060;}


/* ========== popup  ========== */
/* winner-popup-overlay */
.winner-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0s 0.5s, opacity 0.5s ease-out;
}
.winner-popup-overlay.active {
    visibility: visible;
    opacity: 1;
    transition: visibility 0s, opacity 0.5s ease-out;
}
.winner-popup-mszie {
    width: 100%;
    max-width: 375px;
    margin: 0 auto;
}
.winner-popup-content {
    min-width: 80%;
    max-width: 90%;
    margin: 0 auto;
    padding: 2rem 0 0;
    background: #fff;
    border-radius: 25px;
    text-align: center;
    transform: scale(0.8);
    transition: transform 0.3s ease-out;
}
.winner-popup-overlay.active .winner-popup-content {
    transform: scale(1);
}
.winner-popup-content h2 {
    padding: 0 0 2rem;
    border-bottom: 1px dashed #598bf4;
}
.winner-popup-content h2 > img {
    width: 64%;
    margin: 0 auto;
}
.winner-popup-content .winning-prize h3 {
    margin: 1.5rem 0;
    font-weight: bold;
    font-size: 15px;
    letter-spacing: -0.5px;
    color: #333;
    text-align: center;
}
.winner-popup-content .item-img {
    display: flex;
    margin: 0 0 2rem;
    align-items: center;
    justify-content: center;
}
.winner-popup-content .item-img > img {
    display: block;
    width: auto;
    height: auto;
    max-width: 150px;
    max-height: 150px;
}
.close-popup-button {
    display: block;
    width: 100%;
    padding: 1.5rem 0;
    background: #307ef9;
    border-radius: 0 0 25px 25px;
    font-weight: bold;
    font-size: 15px;
    color: #fff;
    text-align: center;
    cursor: pointer;
}
@media screen and (orientation: landscape) {
    .winner-popup-overlay {
        position: absolute;
    }
}