html {scroll-behavior: smooth;}
main {
    position: relative;
    word-break: keep-all;
}
.t-br, .m-br {display: none;}
.js-nice {display: none;}

/* header */
header {
    width: 100%;
    background-color: var(--main-yellow);
}
header .inner a.title h1 {
    width: 100%;
    height: 100%;

    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    background-image: url(../img/sub/logo-useprep_blk.svg);

    text-indent: -9999px;
}
header .inner .mypage:hover {
    color: #fff;
    font-weight: 500;
}
header.is-scrolled {
    position: relative;
    background: var(--main-yellow) !important;
    box-shadow: 0 0px 0px rgba(0, 0, 0, 0) !important;
}
header .inner .login:hover, header .inner .mypage:hover {
    color: var(--main-white);
    font-weight: 500;
}

/* hero */
.hero {
    width: 100%;
    height: auto;
    background: #fff;
}
.hero .inner{
    text-align: center; 
    padding: 130px 40px;
    width: 100%;    
    max-width: 874px;
    margin: 0 auto;
}
.hero .inner .tit.sub{
    font-size: 1.5rem; 
    color: #9A7300;
    margin-bottom: 20px;
    font-weight: 400;
}
.hero .inner .tit{
    font-size: 3.25rem;
    color: #9A7300;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 60px;
}
.hero .inner .tit span{color: var(--main-black);}
.hero .inner table{
    width: 100%;    
    max-width: 874px;
    margin: 0 auto;
    margin-bottom: 20px;
}
.hero .inner .time_tit{
    font-size: 1.5rem;
    color: #9A7300;
    font-weight: 600;
    margin-bottom: 30px;
}
.hero .inner table tbody{width: 100%;}
.hero .inner table tbody tr{align-items: center;}
.hero .inner table tbody tr th{
    padding: 20px 0;
    font-size: 1.5rem;
    background-color: var(--main-yellow);
    color: var(--main-black);
    border: 2px solid #fff;
}
.hero .inner table tbody tr td{
    padding: 20px 0;
    font-size: 1.5rem;
    line-height: 1.5;
    border: 2px solid #fff;
    border-bottom: 2px solid var(--main-yellow);
    position: relative;
    vertical-align: middle;
}

.hero .inner .tip{ 
    font-size: 1.25rem;  
    width: 100%;    
    max-width: 874px;
    margin: 0 auto;
    text-align: end;
    color: #9A7300;
}

/* sec02 */
.sec02 {
    width: 100%;
    height: auto;
    background: linear-gradient(360deg, #FFFFFF 0%, #D2DCFF 100%);
}
.sec02 .inner {
    width: 100%;
    max-width: 1316px;
    margin:  0 auto;
    padding: 150px 0px 50px;
}
.sec02 .inner .title {
    margin: 0px auto 80px;
    text-align: center;
}
.sec02 .inner .title .sub-tit {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 20px;
}
.sec02 .inner .title h1 {
    margin: 20px auto 40px;
    font-size: 3.25rem;
    font-weight: 700;
    color: var(--literacy-blue);
}
.sec02 .inner .title .sub-txt {
    font-size: 1.5rem;
    line-height: 1.5;
    margin-bottom: 60px;
}
.sec02 .inner .power-title {
    width: 100%;
    padding: 40px 0px;
    border-radius: 32px 32px 0px 0px;
    background: var(--literacy-blue);

    text-align: center;
}
.sec02 .inner .power-title h2 {
    color: #fff;
    font-size: 2.5rem;
    font-weight: 700;
}
.sec02 .inner .power-title h2 span {
    padding: 8px 16px;
    background: #040724;
    border-radius: 100px;

    color: #fff;
    font-size: 2.5rem;
    font-weight: 700;
}

/* sec02 power-box */
.sec02 .inner .power-box {
    width: 100%;
    height: auto;
    background: #fff;
    border-radius: 0px 0px 32px 32px;
}
.sec02 .power-box .power-inner {padding: 80px 222px;}
.sec02 .power-box .power-inner .cont:first-child {margin-bottom: 100px;}
.sec02 .power-box .power-inner .cont .cont-tit {margin-bottom: 60px;}
.sec02 .power-box .power-inner .cont .cont-tit .round {
    display: inline-block;
    padding: 4px 8px;
    border: 1px solid var(--main-black);
    border-radius: 100px;

    text-align: center;
    font-size: 1.25rem;
    font-weight: 500;
}
.sec02 .power-box .power-inner .cont .cont-tit h3 {
    margin: 12px 0px 32px;

    font-size: 1.75rem;
    font-weight: 600;
}
.sec02 .power-box .power-inner .cont .cont-txt {
    font-size: 1.25rem;
    line-height: 1.5;
}
.sec02 .power-box .power-inner .cont .cont-txt strong {font-weight: 600;}
.sec02 .power-box .power-inner .power01 .graph {margin-bottom: 40px;}
.sec02 .power-box .power-inner .power01 .graph .graph-title {
    display: flex;
    justify-content: space-around;
    align-items: center;

    width: 100%;
    height: auto;
    padding: 20px 0px;
    background: linear-gradient(90deg, #D3DDFF 0%, #1A285F 100%);
    border-radius: 20px 20px 0px 0px;

    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
}
.sec02 .power-box .power-inner .power01 .graph .graph-title span {flex: 1;}
.sec02 .power-box .power-inner .power01 .graph .graph-title span:first-child {color: #1e2c5fcc;}
.sec02 .power-box .power-inner .power01 .graph .graph-txt {
    display: flex;
    justify-content: space-around;
    align-items: center;

    width: 100%;
    height: auto;
    padding: 20px 0px;
    border-radius: 0px 0px 20px 20px;
    border: 1px solid var(--lineGray);

    text-align: center;
}
.sec02 .power-box .power-inner .power01 .graph .graph-txt div {flex: 1;}
.sec02 .power-box .power-inner .power01 .graph .graph-txt div p:first-child {
    margin-bottom: 8px;

    font-size: 1.25rem;
    font-weight: 500;
}
.sec02 .power-box .power-inner .power01 .graph .graph-txt div p:last-child {
    font-size: 1rem;
    color: var(--midGray);
}
.sec02 .power-box .power-inner .cont .dot-txt {
    position: relative;
    padding-left: 12px;

    font-size: 1.25rem;
    line-height: 1.5;
}
.sec02 .power-box .power-inner .cont .dot-txt:before {
    position: absolute;
    content: "\2022"; 
    left: -2px;
    top: 0.1rem; 
    font-size: 1.25rem; 
    line-height: 1;
    color: var(--literacy-blue);
}
.sec02 .power-box .power-inner .power02 .cont-tit .dot-txt {
    margin-bottom: 20px;
    line-height: 1;
}
.sec02 .power-box .power-inner .power02 .cont-tit .dot-txt:last-child {margin-bottom: 0px;}
.sec02 .power-box .power-inner .power02 .graph {
    display: flex;
    flex-direction: row;
    margin-bottom: 30px;
}
.sec02 .power-box .power-inner .power02 .graph .graph-title {
    display: flex;
    flex-direction: column;
    
    border-radius: 20px 0px 0px 20px;
    background: linear-gradient(180deg, #D3DDFF 0%, #1A285F 100%);
}
.sec02 .power-box .power-inner .power02 .graph .graph-title .step {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
    padding: 30px;
    
    font-size: 1.25rem;
    color: #fff;
}
.sec02 .power-box .power-inner .power02 .graph .graph-title .step:first-child span {color: #1e2c5f50;}
.sec02 .power-box .power-inner .power02 .graph .graph-title .step:first-child p {color: #1e2c5fcc;}
.sec02 .power-box .power-inner .power02 .graph .graph-title .step span {
    display: inline-block;
    margin-bottom: 10px;

    font-size: 1rem;
    font-weight: 500;
    color: rgba(255 255 255 / 50%);
}
.sec02 .power-box .power-inner .power02 .graph .graph-title .step p {line-height: 1.5;}
.sec02 .power-box .power-inner .power02 .graph .graph-title .step strong {font-weight: 600;}
.sec02 .power-box .power-inner .power02 .graph .graph-txt {
    flex: auto;
    display: flex;
    flex-direction: column;
    
    border-radius: 0px 20px 20px 0px;
    border: 1px solid #CCCCCC;;
}
.sec02 .power-box .power-inner .power02 .graph .graph-txt div {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
    padding: 30px;
    
    font-size: 1rem;
    line-height: 1.5;
}
.sec02 .power-box .power-inner .graph-strong {
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
}

/* sec02 point-box */
.sec02 .inner .point-box {
    width: 100%;
    height: auto;
    margin: 80px auto 0px;

    background: #fff;
    border-radius: 32px;
}
.sec02 .point-box .point-inner {padding: 100px 222px;}
.sec02 .point-box .point-inner .cont {margin-bottom: 100px;}
.sec02 .point-box .point-inner .cont:last-child {margin-bottom: 0px;}
.sec02 .point-box .point-inner .point01,
.sec02 .point-box .point-inner .point02 {
    display: flex;
    align-items: center;
    gap: 16px;
}
.sec02 .point-box .point-inner .cont .point-tit {
    display: flex;
    align-items: center;
    flex: 1;

    font-size: 1.25rem;
    font-weight: 600;
    color: var(--literacy-blue);
}
.sec02 .point-box .point-inner .cont .point-tit span {
    display: flex;
    justify-content: center;
    align-items: center;

    width: 28px;
    height: 28px;

    margin-left: 4px;
    border-radius: 100px;   
    background-color: var(--literacy-blue);

    font-size: 1rem;
    font-weight: 600;
    color: #fff;
}
.sec02 .point-box .point-inner .cont h3 {
    margin: 10px 0px 40px;

    font-size: 1.75rem;
    font-weight: 600;
    line-height: 1.5;
}
.sec02 .point-box .point-inner .cont .sub-txt {
    font-size: 1.25rem;
    line-height: 1.5;
}
.sec02 .point-box .point-inner .point01 .point-img {position: relative;}
.sec02 .point-box .point-inner .point01 .point-img img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.sec02 .point-box .point-inner .point01 .point-img .spin-ring {
    position: relative;
    width: 310px;  
    height: 310px;
    margin: 0px 60px;
    border-radius: 100%;
    background: conic-gradient(
        #ffffff 0deg,         
        #1b2a63 180deg,       
        #1b2a63 360deg
    );
    animation: spin 4s linear infinite;
}
@keyframes spin { to { transform: rotate(1turn); } }
.sec02 .point-box .point-inner .point01 .point-img .spin-ring:after {
    content: "";
    position: absolute;
    top: 24px; 
    left: 24px;
    right: 24px;
    bottom: 24px;
    border-radius: 100%;
    background: #fff;
}
.sec02 .point-box .point-inner .point03 .video-sec {
    display: flex;
    gap: 16px;
    margin-top: 60px;
    align-items: flex-start;    
}
.sec02 .point-box .point-inner .point03 .video-sec .video  {
    position: relative;
    flex: 0 0 420px;   
    min-width: 420px;  
    min-inline-size: 0;
    aspect-ratio: 16 / 9; 
    background: var(--main-black);
    border-radius: 20px;
}
.sec02 .point-box .point-inner .point03 .video-sec .video iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;  
    border: 0;
    display: block;
    background: var(--main-black);
    border-radius: 20px;
}
.sec02 .point-box .point-inner .point03 .video-sec .video p {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -12%;
    font-size: 1rem;
    color: var(--main-black);
}
.sec02 .point-box .point-inner .point03 .video-sec .btn-list {flex: 1;}
.sec02 .point-box .point-inner .point03 .video-sec .btn-list ul li .play-btn {
    width: 32px;
    height: 32px;
    background-image: url(../img/sub/sec02_point_box_playbtn.png);
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
}
.sec02 .point-box .point-inner .point03 .video-sec .btn-list ul li.active {
    background: var(--literacy-blue);
}
.sec02 .point-box .point-inner .point03 .video-sec .btn-list ul li.active .eng {color: #fff;}
.sec02 .point-box .point-inner .point03 .video-sec .btn-list ul li.active .kor {color: rgba(255 255 255 / 60%);}
.sec02 .point-box .point-inner .point03 .video-sec .btn-list ul li {
    display: flex;
    align-items: center;

    margin-bottom: 10px;
    padding: 12px;
    border-radius: 100px;
    background: #ededed;
    
    font-size: 1.1rem;

    cursor: pointer;
}
.sec02 .point-box .point-inner .point03 .video-sec .btn-list ul li:last-child {margin-bottom: 0px;}
.sec02 .point-box .point-inner .point03 .video-sec .btn-list ul li .eng {
    margin: 0px 10px 0px 16px;

    font-weight: 500;
}
.sec02 .point-box .point-inner .point03 .video-sec .btn-list ul li .kor {color: var(--darkGray);}

/* sec03 */
.sec03 {
    width: 100%;
    height: auto;
    background: linear-gradient(360deg, #FFFFFF 0%, #C9F2C5 100%);
}
.sec03 .inner {
    width: 100%;
    max-width: 1316px;
    margin:  0 auto;
    padding: 150px 0px 50px;
}
.sec03 .inner .title {
    margin: 0px auto 80px;
    text-align: center;
}
.sec03 .inner .title .sub-tit {
    font-size: 1.75rem;
    font-weight: 600;
}
.sec03 .inner .title h1 {
    margin: 20px auto 40px;
    font-size: 3.25rem;
    font-weight: 700;
    color: var(--math-green);
}
.sec03 .inner .title .sub-txt {
    font-size: 1.5rem;
    line-height: 1.5;
}
.sec03 .inner .power-title {
    width: 100%;
    padding: 40px 0px;
    border-radius: 32px 32px 0px 0px;
    background: var(--math-green);

    text-align: center;
}
.sec03 .inner .power-title h2 {
    color: #fff;
    font-size: 2.5rem;
    font-weight: 700;
}
.sec03 .inner .power-title h2 span {
    padding: 8px 16px;
    background: #074205;
    border-radius: 100px;

    color: #fff;
    font-size: 2.5rem;
    font-weight: 700;
}

/* sec03 power-box */
.sec03 .inner .power-box {
    width: 100%;
    height: auto;
    background: #fff;
    border-radius: 0px 0px 32px 32px;
    
    overflow: hidden;
}
.sec03 .power-box .power-inner {padding: 80px 222px;}
.sec03 .power-box .power-inner .cont:first-child {margin-bottom: 100px;}
.sec03 .power-box .power-inner .cont .cont-tit {margin-bottom: 60px;}
.sec03 .power-box .power-inner .cont .cont-tit .round {
    display: inline-block;
    padding: 4px 8px;
    border: 1px solid var(--main-black);
    border-radius: 100px;

    text-align: center;
    font-size: 1.25rem;
    font-weight: 500;
}
.sec03 .power-box .power-inner .cont .cont-tit h3 {
    margin: 12px 0px 32px;

    font-size: 1.75rem;
    font-weight: 600;
}
.sec03 .power-box .power-inner .cont .cont-txt {
    font-size: 1.25rem;
    line-height: 1.5;
}
.sec03 .power-box .power-inner .cont .cont-txt strong {font-weight: 600;}
.sec03 .power-box .power-inner .cont .dot-txt {
    position: relative;
    padding-left: 12px;
    margin-bottom: 20px;

    font-size: 1.25rem;
    line-height: 1.5;
}
.sec03 .power-box .power-inner .cont .dot-txt:last-child {margin-bottom: 0px;}
.sec03 .power-box .power-inner .cont .dot-txt:before {
    position: absolute;
    content: "\2022"; 
    left: -2px;
    top: 0.1rem; 
    font-size: 1.25rem; 
    line-height: 1;
    color: var(--math-green);
}
.sec03 .power-box .power-inner .power02 {
    display: flex;
    align-items: center;
    gap: 16px;
}
.sec03 .power-box .power-inner .power02 .point-img {position: relative;}
.sec03 .power-box .power-inner .power02 .point-img img.spin-bg {
    transform-origin: center center;
    animation: swing 2s ease-in-out infinite alternate;
}
@keyframes swing {
    from { transform: rotate(10deg); }
    to   { transform: rotate(45deg); }
}
.sec03 .power-box .power-inner .power02 .point-img img.spin {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}

/* sec03 point-box */
.sec03 .inner .point-box {
    width: 100%;
    height: auto;
    margin: 80px auto 0px;

    background: #fff;
    border-radius: 32px;
}
.sec03 .point-box .point-inner {padding: 100px 222px;}
.sec03 .point-box .point-inner .cont {margin-bottom: 100px;}
.sec03 .point-box .point-inner .cont:last-child {margin-bottom: 0px;}
.sec03 .point-box .point-inner .point01 .video-sec {
    display: flex;
    gap: 16px;
    margin-top: 60px;
}
.sec03 .point-box .point-inner .point01 .video-sec .video {
    position: relative;
    flex: 0 0 412px;
    min-width: 412px;
    min-inline-size: 0;
    aspect-ratio: 16 / 9; 
    border-radius: 20px;
}
.sec03 .point-box .point-inner .point01 .video-sec .video iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%; 
    border: 0;
    display: block;
    background: var(--main-black);
    border-radius: 20px;
}
.sec03 .point-box .point-inner .point01 .video-sec .video p {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -12%;
    font-size: 1rem;
    color: var(--main-black);
}
.sec03 .point-box .point-inner .point01 .video-sec .btn-list {flex: 1;}
.sec03 .point-box .point-inner .point01 .video-sec .btn-list ul li .play-btn {
    width: 32px;
    height: 32px;
    background-image: url(../img/sub/sec03_point_box_playbtn.png);
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
}
.sec03 .point-box .point-inner .point01 .video-sec .btn-list ul li.active {
    background: var(--math-green);
}
.sec03 .point-box .point-inner .point01 .video-sec .btn-list ul li.active .eng {color: #fff;}
.sec03 .point-box .point-inner .point01 .video-sec .btn-list ul li.active .kor {color: rgba(255 255 255 / 80%);}
.sec03 .point-box .point-inner .point01 .video-sec .btn-list ul li {
    display: flex;
    align-items: center;

    margin-bottom: 10px;
    padding: 12px;
    border-radius: 100px;
    background: #ededed;
    
    font-size: 1.1rem;

    cursor: pointer;
}
.sec03 .point-box .point-inner .point01 .video-sec .btn-list ul li:last-child {margin-bottom: 0px;}
.sec03 .point-box .point-inner .point01 .video-sec .btn-list ul li .eng {
    margin: 0px 10px 0px 16px;

    font-weight: 500;
}
.sec03 .point-box .point-inner .point01 .video-sec .btn-list ul li .kor {color: var(--darkGray);}
.sec03 .point-box .point-inner .point02,
.sec03 .point-box .point-inner .point03 {
    display: flex;
    align-items: center;
    gap: 16px;
}
.sec03 .point-box .point-inner .cont .point-tit {
    display: flex;
    align-items: center;
    flex: 1;

    font-size: 1.25rem;
    font-weight: 600;
    color: var(--math-green);
}
.sec03 .point-box .point-inner .cont .point-img {flex: 1;}
.sec03 .point-box .point-inner .cont .point-tit span {
    display: flex;
    justify-content: center;
    align-items: center;

    width: 28px;
    height: 28px;

    margin-left: 4px;
    border-radius: 100px;   
    background-color: var(--math-green);

    font-size: 1rem;
    font-weight: 600;
    color: #fff;
}
.sec03 .point-box .point-inner .cont h3 {
    margin: 10px 0px 40px;

    font-size: 1.75rem;
    font-weight: 600;
    line-height: 1.5;
}
.sec03 .point-box .point-inner .cont .sub-txt {
    font-size: 1.25rem;
    line-height: 1.5;
}

/* sec04 */
.sec04 {
    width: 100%;
    height: auto;
    background-image: url(../img/sub/sec04_startkit_bg.png);
    background-size: cover;
    background-position: top center;
    background-repeat: no-repeat;
}
.sec04 .inner {
    position: relative;
    width: 100%;
    max-width: 1316px;
    margin:  0 auto;
    padding: 100px 0px 100px;
    text-align: center;
}
.sec04 .inner .title {
    margin: 0px auto 60px;
    text-align: center;
    color: #B71D42;
    font-size: 3.25rem;
    font-weight: 600;
    line-height: 1.5;
}
.sec04 .inner .title span{color: #D47F94}
.sec04 .inner .txt{
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.5;
}
.sec04 .inner .txt1{
    margin-bottom: 30px;
}
.sec04 .inner .txt2{
    margin-bottom: 60px;
}
.sec04 .inner .cont .cont_tit{
    margin-bottom: 60px;
    line-height: 1.5;
    font-size: 1.5rem;
    font-weight: 400;
}
.sec04 .inner .cont .cont_tit span{
    font-weight: 600;
    display: block;
}
.sec04 .inner .cont ul{
    display: flex;
    justify-content: center;
}
.sec04 .inner .cont ul li{
    width: 100%;
    height: 100vh;
    max-width: 206px;
    max-height: 206px;
    border-radius: 206px;
    position: relative;
    margin: 0 8px;
    aspect-ratio: 1 / 1;
}
.sec04 .inner .cont ul li::after{
    display: block;
    content: "";
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #FC9DB4;
    background-image: url(../img/sub/icon_sec04_more_btn.png);
    background-size: 21px auto;
    background-repeat: no-repeat;
    background-position: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin-top: 40px;
}
.sec04 .inner .cont ul li.m{
    
    background: linear-gradient(rgba(255, 255, 255, 1), rgba(255, 255, 255, 0.3));
    border: 1px solid rgba(252 157 180 / 1);
}
.sec04 .inner .cont ul li.m button{color: #B7193A;}
.sec04 .inner .cont ul li.l{
    
    background: linear-gradient(rgba(251, 154, 177, 1), rgba(251, 154, 177, 0.3));
    border: 1px solid rgba(255 255 255 / 1);
}
.sec04 .inner .cont ul li.l button{color: #fff;}
.sec04 .inner .cont ul li p{
    display: block;
    width: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.3;
    padding-bottom: 40px;
}
.sec04 .inner .cont ul li p span{
    display: block;
    font-size: 1.25rem;
    font-weight: 400;
}
.sec04 .inner .cont ul li .coming{
    font-size: 1.25rem;
    line-height: 1.3;
    width: 96px;
    height: auto;
    border-radius: 50%;
    position: absolute;
    top: 0;
    right: 0;
    left: inherit;
    background-color: #E51F4E;
    padding: 22px 0;
    transform: rotate(15deg);
    z-index: 6;
}




/* sec06 */
.sec06 {
    width: 100%;
    height: auto;
    background: #ededed;
}
.sec06 .inner {
    max-width: 1316px;
    padding: 100px 20px 100px;
    margin: 0 auto;
}
.sec06 .inner .tit {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 20px;
}
.sec06 .inner ul {
    padding-left: 12px;
}
.sec06 .inner ul li {
    position: relative;
    font-size: 1rem;
    margin-bottom: 12px;
}
.sec06 .inner ul li:before {
    content: "\2022"; 
    position: absolute;
    left: -14px;
    top: -4px;

    font-size: 1.25rem;
    line-height: 1;
    color: var(--main-black);
}



/* float_btn */
.float_btn{
    position: fixed;
    top: 50%;
    right: 130px;
    transform: translateY(-50%);
    text-align: center;
    z-index: 999;
}
.float_btn .tit{
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 25px;
}
.float_btn .inner li{margin-bottom: 10px;}
.float_btn .inner li:last-child{
    margin-bottom: 0;
}
.float_btn .inner li button{
    cursor: pointer;
    width: 140px;
    height: 140px;
    border-radius: 70px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    font-size: 1.25rem;
    line-height: 1.5;
    font-weight: 400;
}
.float_btn .inner li.l button{background: linear-gradient(rgb(210, 220, 255), rgba(255, 255, 255, 0.2));}
.float_btn .inner li.m button{background: linear-gradient(rgb(201, 242, 197), rgba(255, 255, 255, 0.2));}
.float_btn .inner li.t button{background: linear-gradient(rgb(255, 209, 220), rgba(255, 255, 255, 0.2));}




@media (min-width: 1024px) and (max-width: 1279px) {
    .t-br {display: inline;}
    .sec02 .power-box .power-inner, .sec02 .point-box .point-inner,
    .sec03 .power-box .power-inner, .sec03 .point-box .point-inner {padding: 80px;}
    .sec02 .inner .point-box {margin: 40px 0px 0px;}
    .sec06 .inner {padding: 100px 20px 120px;}


    /* float_btn */
    .float_btn{
        right: 20px;
    }
    .float_btn .tit{
        font-size: 1rem;
        margin-bottom: 20px;
    }
    .float_btn .inner li{margin-bottom: 5px;}
    .float_btn .inner li button{
        width: 100px;
        height: 100px;
        font-size: 1rem;
    }
}
@media (min-width: 768px) and (max-width: 1023px) {
    .t-br {display: inline;}
    .pc-br {display: none;}

    .hero .inner{
        padding: 100px 20px;
        width: 100%;    
    }
    
    .sec02 .inner .power-title h2 span, .sec02 .inner .power-title h2,
    .sec03 .inner .power-title h2, .sec03 .inner .power-title h2 span {font-size: 2rem;}
    .sec02 .power-box .power-inner, .sec02 .point-box .point-inner,
    .sec03 .power-box .power-inner, .sec03 .point-box .point-inner {padding: 80px 20px;}
    .sec02 .power-box .power-inner .power02 .graph .graph-title .step {
        padding: 30px 20px;
        font-size: 1.1rem;
    }
    .sec02 .power-box .power-inner .power02 .cont-tit .dot-txt:last-child {line-height: 1.5;}
    .sec02 .inner .point-box {margin-top: 40px;}
    .sec02 .point-box .point-inner .point03 .video-sec .btn-list ul li .play-btn {
        width: 28px;
        height: 28px;
    }
    .sec02 .point-box .point-inner .point03 .video-sec .btn-list ul li .eng,
    .sec03 .point-box .point-inner .point01 .video-sec .btn-list ul li .eng {
        font-size: 1rem;
        margin: 0px 8px 0px 4px;
    }
    .sec02 .point-box .point-inner .point03 .video-sec .btn-list ul li .kor,
    .sec03 .point-box .point-inner .point01 .video-sec .btn-list ul li .kor {font-size: 1rem;}    
    .sec06 .inner {padding: 100px 20px 120px;}

    footer{padding-bottom: 100px;}
    .float_btn{
        top: initial;
        bottom: 0;
        right: 0;
        transform: none;
        z-index: 999;
    }
    .float_btn .tit{
        display: none;
    }
    .float_btn .inner{display: flex; width: 100vw;}
    .float_btn .inner li{margin-bottom: 0; width: 100%;}
    .float_btn .inner li:last-child{
        margin-bottom: 0;
    }
    .float_btn .inner li button{
        width: 100%;
        height: 100px;
        border-radius: 40px;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
        font-size: 1.25rem;
        line-height: 1.3;
        font-weight: 400;
    }
    .float_btn .inner li button .row{display: none;}
    
    .float_btn .inner li.l button{background: linear-gradient(rgb(210, 220, 255), rgba(255, 255, 255, 1));}
    .float_btn .inner li.m button{background: linear-gradient(rgb(201, 242, 197), rgba(255, 255, 255, 1));}
    .float_btn .inner li.t button{background: linear-gradient(rgb(255, 209, 220), rgba(255, 255, 255, 1));}

    .back-to-top {bottom: 14% !important;}
    .kakao-chat {bottom: 22% !important;}
}
@media (min-width: 480px) and (max-width: 767px) {
    .t-br, .m-br {display: inline;}
    .pc-br {display: none;}

    .hero .inner{
        padding: 100px 20px;
        width: 100%;    
    }

    .sec02 .inner, .sec03 .inner {padding: 100px 0px;}
    .sec02 .inner .title .sub-tit, .sec02 .inner .title .sub-txt,
    .sec03 .inner .title .sub-tit, .sec03 .inner .title .sub-txt {font-size: 1.25rem;}
    .sec02 .inner .title h1,
    .sec03 .inner .title h1 {font-size: 2.5rem;}
    .sec02 .inner .title,
    .sec03 .inner .title {margin-bottom: 60px;}
    .sec02 .inner .power-title,
    .sec03 .inner .power-title {
        padding: 20px 0px;
        border-radius: 20px 20px 0px 0px;
    }
    .sec02 .inner .power-title h2,
    .sec03 .inner .power-title h2 {
        font-size: 2rem;
        line-height: 1.6;
    }
    .sec02 .inner .power-title h2 span,
    .sec03 .inner .power-title h2 span {font-size: 2rem;}
    .sec02 .inner .power-box,
    .sec03 .inner .power-box {border-radius: 0px 0px 20px 20px;}
    .sec02 .power-box .power-inner, .sec02 .point-box .point-inner,
    .sec03 .power-box .power-inner, .sec03 .point-box .point-inner {padding: 40px 20px;}
    .sec02 .point-box .point-inner .point03 .video-sec,
    .sec03 .point-box .point-inner .point01 .video-sec {
        display: flex;
        flex-direction: column;
        align-items: normal;
    }
    .sec02 .point-box .point-inner .point03 .video-sec .video,
    .sec03 .point-box .point-inner .point01 .video-sec .video {
        flex: 1;
        margin-bottom: 40px;
    }
    .sec02 .point-box .point-inner .point03 .video-sec .video p,
    .sec03 .point-box .point-inner .point01 .video-sec .video p {bottom: -8%;}
    .sec02 .power-box .power-inner .power02 .cont-tit .dot-txt {line-height: 1.5;}
    .sec02 .power-box .power-inner .power02 .graph-wrap {
        width: 100vw;
        margin-left: calc(50% - 50vw);
        margin-bottom: 30px;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
    }    
    .sec02 .power-box .power-inner .power02 .graph {
        display: block;
        background: transparent;
        width: max-content;
        padding: 0;
        margin: 0px 20px 12px;
    }    
    .sec02 .power-box .power-inner .power02 .graph .graph-title,
    .sec02 .power-box .power-inner .power02 .graph .graph-txt {
        display: grid;
        grid-auto-flow: column;
        grid-auto-columns: clamp(280px, 20px, 360px);
        column-gap: 32px;
        box-sizing: border-box;
    }
    .sec02 .power-box .power-inner .power02 .graph .graph-title {
        padding: 20px;
        background: linear-gradient(90deg, #D3DDFF 0%, #1A285F 100%);
        color: #fff;
        border-radius: 20px 20px 0 0;
    }
    .sec02 .power-box .power-inner .power02 .graph .graph-title .step {
        display: flex;
        align-items: flex-start;
        border: 0;
        padding: 0;
    }
    .sec02 .power-box .power-inner .power02 .graph .graph-title .step span {
        display: inline-block;
        font-weight: 700;
        font-size: 1rem;
        opacity: 0.95;
    }
    .sec02 .power-box .power-inner .power02 .graph .graph-title .step p {
        margin: 0;
        font-size: 1.25rem;
    }
    .sec02 .power-box .power-inner .power02 .graph .graph-txt {
        align-items: start;
        padding: 20px;
        border-radius: 0 0 20px 20px;
        color: var(--main-black);
        word-break: keep-all;
    }
    .sec02 .power-box .power-inner .power02 .graph .graph-txt > div {
        padding: 0;
        line-height: 1.6;
    }
    .sec02 .power-box .power-inner .power02 .graph-wrap::-webkit-scrollbar {height: 8px;}
    .sec02 .power-box .power-inner .power02 .graph-wrap::-webkit-scrollbar-thumb {
        border-radius: 999px;
        background: rgba(0,0,0,0.18);
    }
    .sec02 .power-box .power-inner .power02 .graph-wrap::-webkit-scrollbar-track {
        background: transparent;
    }
    .sec02 .inner .point-box {
        margin: 40px auto 0px;
        border-radius: 20px;
    }
    .sec02 .point-box .point-inner .point01, .sec02 .point-box .point-inner .point02 {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
    .sec02 .point-box .point-inner .cont .point-txt {margin-bottom: 40px;}
    .sec02 .point-box .point-inner .point03 .video-sec .btn-list,
    .sec03 .point-box .point-inner .point01 .video-sec .btn-list {display: none;}
    .sec03 .power-box .power-inner .power02 {
        display: flex;
        flex-direction: column;
    }
    .sec03 .power-box .power-inner .cont .cont-tit {margin-bottom: 40px;}
    .sec03 .point-box .point-inner .point01 .video-sec {margin-top: 40px;}
    .sec03 .point-box .point-inner .point02, .sec03 .point-box .point-inner .point03,
    .sec03 .power-box .power-inner .power02 {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
    .sec03 .point-box .point-inner .cont .point-txt {margin-bottom: 40px;}
    .sec04 .inner .title {margin-bottom: 60px;}   

    .sec06 .inner {padding: 80px 20px 150px;}
    .sec06 .inner ul li {line-height: 1.6;}
    .sec06 .inner ul li:before {top: 0px;}


    footer{padding-bottom: 60px;}
    .float_btn{
        top: initial;
        bottom: 0;
        right: 0;
        transform: none;
        z-index: 999;
    }
    .float_btn .tit{
        display: none;
    }
    .float_btn .inner{display: flex; width: 100vw;}
    .float_btn .inner li{margin-bottom: 0; width: 100%;}
    .float_btn .inner li:last-child{
        margin-bottom: 0;
    }
    .float_btn .inner li button{
        width: 100%;
        height: 60px;
        border-radius: 20px;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
        font-size: 1rem;
        line-height: 1.3;
        font-weight: 400;
    }
    .float_btn .inner li button .row{display: block;}
    .float_btn .inner li.l button{background: linear-gradient(rgb(210, 220, 255), rgba(255, 255, 255, 1));}
    .float_btn .inner li.m button{background: linear-gradient(rgb(201, 242, 197), rgba(255, 255, 255, 1));}
    .float_btn .inner li.t button{background: linear-gradient(rgb(255, 209, 220), rgba(255, 255, 255, 1));}
}
@media (max-width: 479px) {
    .t-br, .m-br {display: inline;}
    .pc-br {display: none;}

    .hero .inner{
        padding: 100px 20px;
        width: 100%;    
    }
    .hero .inner .tit.sub{font-size: 1.25rem;}
    .hero .inner .tit{font-size: 2rem;}
    .hero .inner .time_tit{font-size: 1.25rem; margin-bottom: 20px;}
    .hero .inner table{
        width: 100%;
        max-width: 420px;
        margin: 0 auto;
        margin-bottom: 20px;
    }
    .hero .inner table tbody tr th, .hero .inner table tbody tr td, .hero .inner .tip{
        font-size: 1rem;
    }

    .sec02 .inner, .sec03 .inner {padding: 100px 0px;}
    .sec02 .inner .title .sub-tit, .sec02 .inner .title .sub-txt,
    .sec03 .inner .title .sub-tit, .sec03 .inner .title .sub-txt {font-size: 1.25rem;}
    .sec02 .inner .title h1,
    .sec03 .inner .title h1 {font-size: 2.5rem;}
    .sec02 .inner .title,
    .sec03 .inner .title {margin-bottom: 60px;}
    .sec02 .inner .power-title,
    .sec03 .inner .power-title {
        padding: 20px 0px;
        border-radius: 20px 20px 0px 0px;
    }
    .sec02 .inner .power-title h2,
    .sec03 .inner .power-title h2 {
        font-size: 2rem;
        line-height: 1.6;
    }
    .sec02 .inner .power-title h2 span,
    .sec03 .inner .power-title h2 span {font-size: 2rem;}
    .sec02 .inner .power-box,
    .sec03 .inner .power-box {border-radius: 0px 0px 20px 20px;}
    .sec02 .power-box .power-inner, .sec02 .point-box .point-inner,
    .sec03 .power-box .power-inner, .sec03 .point-box .point-inner {padding: 40px 20px;}
    .sec02 .point-box .point-inner .point03 .video-sec,
    .sec03 .point-box .point-inner .point01 .video-sec {
        display: flex;
        flex-direction: column;
        align-items: normal;
    }
    .sec02 .point-box .point-inner .point03 .video-sec .video,
    .sec03 .point-box .point-inner .point01 .video-sec .video {
        flex: 1;
        margin-bottom: 40px;
    }
    .sec02 .point-box .point-inner .point03 .video-sec .video p,
    .sec03 .point-box .point-inner .point01 .video-sec .video p {bottom: -12%;}
    .sec02 .power-box .power-inner .cont .cont-tit h3,
    .sec02 .point-box .point-inner .cont h3,
    .sec03 .power-box .power-inner .cont .cont-tit h3,
    .sec03 .point-box .point-inner .cont h3 {font-size: 1.5rem;}
    .sec02 .power-box .power-inner .power02 .cont-tit .dot-txt {line-height: 1.5;}
    .sec02 .power-box .power-inner .power02 .graph-wrap {
        width: 100vw;
        margin-left: calc(50% - 50vw);
        margin-bottom: 30px;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
    }
    .sec02 .power-box .power-inner .power02 .graph {
        display: block;
        background: transparent;
        width: max-content;
        padding: 0;
        margin: 0px 20px 12px;
    }    
    .sec02 .power-box .power-inner .power02 .graph .graph-title,
    .sec02 .power-box .power-inner .power02 .graph .graph-txt {
        display: grid;
        grid-auto-flow: column;
        grid-auto-columns: clamp(280px, 20px, 360px);
        column-gap: 32px;
        box-sizing: border-box;
    }
    .sec02 .power-box .power-inner .power02 .graph .graph-title {
        padding: 20px;
        background: linear-gradient(90deg, #D3DDFF 0%, #1A285F 100%);
        color: #fff;
        border-radius: 20px 20px 0 0;
    }
    .sec02 .power-box .power-inner .power02 .graph .graph-title .step {
        display: flex;
        align-items: flex-start;
        border: 0;
        padding: 0;
    }
    .sec02 .power-box .power-inner .power02 .graph .graph-title .step span {
        display: inline-block;
        font-weight: 700;
        font-size: 1rem;
        opacity: 0.95;
    }
    .sec02 .power-box .power-inner .power02 .graph .graph-title .step p {
        margin: 0;
        font-size: 1.25rem;
    }
    .sec02 .power-box .power-inner .power02 .graph .graph-txt {
        align-items: start;
        padding: 20px;
        border-radius: 0 0 20px 20px;
        color: var(--main-black);
        word-break: keep-all;
    }
    .sec02 .power-box .power-inner .power02 .graph .graph-txt > div {
        padding: 0;
        line-height: 1.6;
    }
    .sec02 .power-box .power-inner .power02 .graph-wrap::-webkit-scrollbar {height: 8px;}
    .sec02 .power-box .power-inner .power02 .graph-wrap::-webkit-scrollbar-thumb {
        border-radius: 999px;
        background: rgba(0,0,0,0.18);
    }
    .sec02 .power-box .power-inner .power02 .graph-wrap::-webkit-scrollbar-track {
        background: transparent;
    }
    .sec02 .inner .point-box {
        margin: 40px auto 0px;
        border-radius: 20px;
    }
    .sec02 .point-box .point-inner .point01, .sec02 .point-box .point-inner .point02 {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
    .sec02 .power-box .power-inner .graph-strong {line-height: 1.5;}
    .sec02 .point-box .point-inner .cont .point-txt {margin-bottom: 0px;}
    .sec02 .point-box .point-inner .point01 .point-img {
        position: relative;
        width: 100%;
        overflow: hidden;
    }
    .sec02 .point-box .point-inner .point01 .point-img .spin-ring {
        width: 280px;
        height: 280px;
        margin: 60px auto;
    }
    .sec02 .point-box .point-inner .point03 .video-sec .btn-list,
    .sec03 .point-box .point-inner .point01 .video-sec .btn-list {display: none;}
    .sec03 .power-box .power-inner .power02 {
        display: flex;
        flex-direction: column;
    }
    .sec03 .power-box .power-inner .cont .cont-tit {margin-bottom: 40px;}
    .sec03 .point-box .point-inner .point01 .video-sec {margin-top: 40px;}
    .sec03 .point-box .point-inner .point02, .sec03 .point-box .point-inner .point03,
    .sec03 .power-box .power-inner .power02 {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
    .sec03 .point-box .point-inner .cont .point-txt {margin-bottom: 40px;}
    .sec03 .point-box .point-inner .cont .point-img>img{width: 100%;}
    .sec04 .inner{
        position: relative;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
        padding: 100px 0px 100px;
        text-align: center;
    }
    .sec04 .inner .title {margin-bottom: 40px; font-size: 2rem;}   
    .sec04 .inner .txt{font-size: 1rem;}
    .sec04 .inner .txt1{margin-bottom: 20px;}
    .sec04 .inner .txt2{margin-bottom: 40px;}
    .sec04 .inner .cont .cont_tit{
        font-size: 1.25rem;
        width: 100%;
        max-width: 320px;
        margin: 0 auto 40px;
    }
    .sec04 .inner .cont ul{
        display: flex;
        justify-content: center;
        max-width: 320px;
        margin: 0 auto;
    }
    .sec04 .inner .cont ul li{
        width: 100%;
        height: 100vh;
        max-width: 152px;
        max-height: 152px;
        border-radius: 206px;
        position: relative;
        margin: 0 8px;
        aspect-ratio: 1 / 1;
    }
    .sec04 .inner .cont ul li::after{
        width: 30px;
        height: 30px;
        background-size: 13px auto;
        margin-top: 30px;
    }
    .sec04 .inner .cont ul li p{
        font-size: 1.25rem;
        margin-bottom: 30px;
    }
    .sec04 .inner .cont ul li p span{font-size: 1rem;}
    .sec04 .inner .cont ul li .coming {
        font-size: 1rem;
        line-height: 1.2;
        width: 75px;
        height: auto;
        border-radius: 50%;
        position: absolute;
        top: 0;
        right: 0;
        left: inherit;
        background-color: #E51F4E;
        padding: 17px 0;
        transform: rotate(15deg);
        z-index: 6;
    }
    .sec04 .inner .cont ul li::after{margin-bottom: 30px;}




    .sec06 .inner {padding: 80px 20px 150px;}
    .sec06 .inner ul li {line-height: 1.6;}
    .sec06 .inner ul li:before {top: 0px;}
}
@media (max-width: 767px) {
  

    
    .js-nice {
        display: block;
        width: 100%;
        height: auto;
        padding: 8px 20px;
        border-radius: 12px;

        font-size: 1rem;
    }
    .nice-select.open .list {
        width: 100%;
        border-radius: 12px;
    }
    .nice-select .option {padding: 12px 20px;}

    .back-to-top {bottom: 10% !important;}
    .kakao-chat {bottom: 18% !important;}


    footer{padding-bottom: 60px;}
    .float_btn{
        top: initial;
        bottom: 0;
        right: 0;
        transform: none;
    }
    .float_btn .tit{
        display: none;
    }
    .float_btn .inner{display: flex; width: 100vw;}
    .float_btn .inner li{margin-bottom: 0; width: 100%;}
    .float_btn .inner li:last-child{
        margin-bottom: 0;
    }
    .float_btn .inner li button{
        width: 100%;
        height: 60px;
        border-radius: 20px;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
        font-size: 1rem;
        line-height: 1.3;
        font-weight: 400;
    }
    .float_btn .inner li button .row{display: block;}
    .float_btn .inner li.l button{background: linear-gradient(rgb(210, 220, 255), rgba(255, 255, 255, 1));}
    .float_btn .inner li.m button{background: linear-gradient(rgb(201, 242, 197), rgba(255, 255, 255, 1));}
    .float_btn .inner li.t button{background: linear-gradient(rgb(255, 209, 220), rgba(255, 255, 255, 1));}
}