:root {
    --color-bk: #25262B;
    --color-gy: #848890;
    --color-gy-light: #ADAEAF;
    --color-wh: #ffffff;

    --color-bg: #F7F8FA;
    --color-line: #E4E6E8;

    --color-main: #1B2D58;
    --color-hl-1: #FFC800;
    --color-hl-2: #FFAA00;
    --color-hl-3: #FF2020;
    
    --title-1: 64px;
    --title-2: 52px;
    --title-3: 32px; 

    --font-xl: 28px;
    --font-l: 24px;
    --font-m: 20px;
    --font-s: 18px;
    --font-xs: 16px;

    --header-height: 90px;

    --size-xl: 140px;
    --size-l: 80px;
    --size-m: 60px;
    --size-s: 40px;
    --size-xs: 20px;
}

/* ---------------- COMMON ---------------- */

::selection {
    background-color: var(--color-main);
    color: var(--color-wh);
}

* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    min-width: 360px;
    max-width: 100vw;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    background-color: var(--color-wh);
    overflow-x: hidden;
}

section{
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: var(--size-xl);
    padding-bottom: var(--size-xl);
}

.section-wrapper{
    max-width: 1360px;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-left: var(--size-s);
    padding-right: var(--size-s);
}

.section-title{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--title-2);
    letter-spacing: calc(-0.02 * var(--title-2));
    font-weight: 700;
    color: var(--color-bk);
    word-break: keep-all;
    line-height: 135%;
    margin-bottom: var(--size-m);
}

.section-title > span{
    color: var(--color-hl-2);
}

/* ---------------- HEADER ---------------- */

header{
    position: fixed;
    top: 0;
    min-width: 360px;
    width: 100%;
    height: var(--header-height);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: 0.2s;
    z-index: 10;
}

header.sticky{
    background-color: #FFFFFFF2;
    backdrop-filter: blur(12px);
}

.header-wrapper{
    max-width: 1440px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--size-s);
}

.logo > img{
    height: 48px;
    object-fit: contain;
}

.header-btn{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-m);
    letter-spacing: calc(-0.02 * var(--font-m));
    font-weight: 700;
    color: var(--color-bk);
    background-color: var(--color-hl-1);
    padding: 14px 32px;
    border-radius: 64px;
    transition: 0.2s;
}

.header-btn:hover{
    color: var(--color-wh);
    background-color: var(--color-main);
}

/* ---------------- MAIN ---------------- */

#main{
    min-height: calc(100vh - 101px);
    justify-content: center;
    padding-top: var(--header-height);
    padding-bottom: 0;
    background-image: url('../img/bg2_main.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

#main > .section-wrapper{
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding-top: var(--size-xl);
    padding-bottom: var(--size-xl);
}

#main .main-txt{
    padding-bottom: var(--size-s);
}

#main  img{
    height: 42px;
    object-fit: contain;
}

#main h2{
    font-family: "Noto Serif KR", serif;
    font-size: 60px;
    letter-spacing: -3px;
    font-weight: 700;
    color: var(--color-main);
    line-height: 140%;
    margin-top: 20px;
    margin-bottom: 48px;
}

#main h1{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--title-1);
    letter-spacing: calc(-0.02 * var(--title-1));
    font-weight: 700;
    line-height: 145%;
    color: var(--color-wh);
}

#main h1 > span{
    background-color: var(--color-main);
    padding: 12px 16px;
    border-radius: 4px;
}

#main h1 .hl{
    color: var(--color-hl-1);
}

/* ---------------- REVIEW ---------------- */

.reviewSwiper {
    position: relative;
    max-width: 1920px;
    min-width: 360px;
    width: 100vw;
}

.reviewSwiper  .swiper-wrapper{
    width: 100%;
}

.reviewSwiper .overlay-l{
    position: absolute;
    width: var(--size-xl);
    height: 100%;
    background: linear-gradient(90deg, #FFFFFF, #FFFFFF00);
    z-index: 2;
    left: 0;
    top: 0;
}

.reviewSwiper .overlay-r{
    position: absolute;
    width: var(--size-xl);
    height: 100%;
    background: linear-gradient(270deg, #FFFFFF, #FFFFFF00);
    z-index: 2;
    right: 0;
    top: 0;
}

.reviewSwiper  .swiper-slide{
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.reviewSwiper  .swiper-slide > img{
    max-width: 560px;
    width: 100%;
    object-fit: contain;
    border-radius: 12px;
    border: 1px solid #f1f1f3;
}


#review a{
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 80px;
    border-radius: 80px;
    background-color: var(--color-main);
    margin-top: var(--size-m);
    transition: 0.2s;
}

#review a:hover{
    background-color: var(--color-bk);
}

#review a > div{
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#review a > div > span{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-l);
    letter-spacing: calc(-0.02 * var(--font-l));
    font-weight: 700;
    color: var(--color-wh);
    margin-right: 12px;
}

#review a > div > img{
    width: 16px;
    object-fit: contain;
}

/* ---------------- POINT ---------------- */

#point{
    background-image: url('../img/bg_point.jpg');
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

#point .title-wrapper{
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hl-dots{
    position: absolute;
    top: -4px;
    right: 40.5%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 36px;
}

.hl-dots > div{
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-hl-2);
}

.points{
    max-width: 912px;
    position: relative;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 72px;
    row-gap: 72px;
}

.points > img{
    width: 100%;
    object-fit: contain;
}

.points > .ar-1{
    position: absolute;
    top: 20%;
    left: calc(50% - 26px);
    width: 52px;
}
.points > .ar-2{
    transform: rotate(90deg);
    position: absolute;
    top: calc(50% - 28px);
    right: 20%;
    width: 52px;
}
.points > .ar-3{
    transform: rotate(180deg);
    position: absolute;
    bottom: 20%;
    left: calc(50% - 26px);
    width: 52px;
}

/* 기본 투명도와 트랜지션 설정 */
.ar-1, .ar-2, .ar-3 {
    transition: opacity 1s ease;
}

/* 페이드 아웃 효과 */
.fade-out {
    opacity: 0;
}

/* 페이드 인 효과 */
.fade-in {
    opacity: 1;
}

/* ---------------- COMPARE ---------------- */

#compare{
    background: linear-gradient(0deg, var(--color-main), #111B34);
}

#compare .section-title{
    color: var(--color-wh);
}

#compare img{
    max-width: 1080px;
    width: 100%;
    object-fit: contain;
}

/* ---------------- CAREER ---------------- */

#career{
    background: linear-gradient(180deg, var(--color-main), #111B34);
    overflow-x: hidden;
}

#career .title-wrapper{
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--size-m);
}

#career .title-wrapper > img{
    width: 56px;
    object-fit: contain;
}

#career .title-wrapper > h2{
    background: linear-gradient(180deg, #F6E0B5, #D09D60, #E4C894, #D09E62, #F6E0B5);
    color: transparent;
    -webkit-background-clip: text;
    padding: 0 8px;
    margin-bottom: 0;
}

.top-slider{
    display: flex;
    justify-content: flex-start;
    overflow: hidden;
}

.bottom-slider{
    display: flex;
    justify-content: flex-start;
    overflow: hidden;
    margin-top: var(--size-s);
}

@keyframes move-rtl{
    0%{
        transform: translateX(0);
    }
    100%{
        transform: translateX(-100%);
    }
}

@keyframes move-ltr{
    0%{
        transform: translateX(0);
    }
    100%{
        transform: translateX(100%);
    }
}

/* 공통 애니메이션 기본 */
.top-slider > .slide-wrapper,
.bottom-slider > .slide-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    animation-duration: 32s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    animation-play-state: running; /* 기본 상태는 실행 중 */
}

/* 각각의 방향 설정 */
.top-slider > .slide-wrapper {
    animation-name: move-rtl;
}

.bottom-slider > .slide-wrapper {
    animation-name: move-ltr;
}

.slide{
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    margin-right: var(--size-s);
    padding: 0;
    line-height: 0;
}

.slide > img{
    width: 280px;
    object-fit: contain;
    margin-bottom: var(--size-xs);
}

.slide > p{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-l);
    letter-spacing: calc(-0.02 * var(--font-l));
    color: var(--color-wh);
    font-weight: 500;
    line-height: 135%;
    text-align: center;
}

/* ---------------- CONTACT ---------------- */

#contact{
    background-image: url('../img/bg_contact.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.contact-wrapper{
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

.contact-title{
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    background-color: var(--color-main);
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
    padding: var(--size-xs);
}

.contact-title > span{
    width: 100%;
    text-align: center;
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-l);
    letter-spacing: calc(-0.02 * var(--font-l));
    font-weight: 700;
    color: var(--color-wh);
}

.contactSwiper {
    width: 100%;
    height: 360px;
    background-color: var(--color-white);
}

.contactSwiper .swiper-wrapper{
    width: 100%;
}

.contactSwiper .swiper-slide{
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    align-items: center;
    padding: var(--size-xs);
    border-bottom: 1px solid var(--color-line);
    background-color: var(--color-wh);
}

.contactSwiper .swiper-slide > span{
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-s);
    letter-spacing: calc(-0.02 * var(--font-s));
    font-weight: 400;
    text-align: center;
    color: var(--color-bk);
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}

.contactSwiper .swiper-slide > span:last-of-type > span{
    display: inline-block;
    color: var(--color-main);
    background-color: #EAECF2;
    font-weight: 600;
    padding: 8px 24px;
    border-radius: 40px;
}

/* ---------------- RESEARCH ---------------- */

#warning{
    min-height: 640px;
    max-height: 960px;
    height: 50vw;
    background-image: url('../img/bg_warning.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

#warning .section-title{
    color: var(--color-wh);
    text-align: center;
}

#warning .section-title > span{
    color: var(--color-hl-3);
    background-color: #000;
    padding: 4px 12px;
    border-radius: 4px;
}

/* ---------------- OUTRO ---------------- */

#outro{
    background-image: url('../img/bg2_outro.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

#outro > .section-wrapper{
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
    padding-top: var(--size-s);
}

#outro img{
    width: 428px;
    object-fit: contain;
}

/* ---------------- FOOTER ---------------- */

footer{
    background-color: #F7F8FA;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--size-m) 0;
}

.footer-wrapper{
    max-width: 1360px;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 0 var(--size-s);
    padding-bottom: 90px;
}

.footer-wrapper > p{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-xs);
    font-weight: 400;
    color: var(--color-gy-light);
    margin-top: var(--size-xs);
    line-height: 140%;
    word-break: keep-all;
}

.footer-wrapper > p a{
    color: var(--color-gy-light);
}

/* ---------------- FIXED-BTN ---------------- */

.fixed-btn{
    position: fixed;
    bottom: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--size-xs);
    padding: var(--size-xs) var(--size-s);
    background-color: var(--color-bk);
    z-index: 10;
}

.fixed-btn > a{
    width: 100%;
    padding: 16px 32px;
    border-radius: 64px;
    transition: 0.2s;
}

.fixed-btn > a > div{
    display: flex;
    justify-content: center;
    align-items: center;
}

.fixed-btn > a img{
    width: 28px;
    object-fit: contain;
}

.fixed-btn > a span{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-l);
    letter-spacing: calc(-0.02 * var(--font-l));
    color: var(--color-bk);
    font-weight: 700;
    margin-left: 12px;
}

.fixed-btn > a:first-of-type{
    background-color: var(--color-wh);
}

.fixed-btn > a:first-of-type:hover{
    background-color: #eeeeee;
}

.fixed-btn > a:last-of-type{
    background-color: var(--color-hl-1);
}

.fixed-btn > a:last-of-type:hover{
    background-color: #ffbb00;
}

.mo-only{
    display: none;
}

#point .mo-points{
    display: none;
}

@media screen and (max-width: 1360px) {
    :root {       
        --title-1: 56px;
        --title-2: 45px;
        --title-3: 28px; 
    
        --font-xl: 24px;
        --font-l: 21px;
        --font-m: 18px;
        --font-s: 17px;
        --font-xs: 15px;
    
        --header-height: 80px;
    
        --size-xl: 120px;
        --size-l: 72px;
        --size-m: 54px;
        --size-s: 36px;
        --size-xs: 18px;
    }

    .logo > img{
        height: 40px;
    }

    .header-btn{
        padding: 13px 28px;
    }

    #main{
        min-height: calc(100vh - 96px);
        background-position: right 35% center;
    }

    #main img{
        height: 36px;
    }

    #main h2{
        font-size: 52px;
        letter-spacing: -2px;
        margin-top: 16px;
        margin-bottom: 40px;
    }

    #review a{
        padding: 20px 72px;
    }

    .hl-dots{
        top: -4px;
        right: 40.25%;
        gap: 31px;
    }

    .hl-dots > div{
        width: 7px;
        height: 7px;
    }

    .points{
        max-width: 768px;
    }

    #compare img{
        max-width: 80vw;
        width: 100%;
        min-width: 320px;
    }

    #career .title-wrapper > img{
        width: 52px;
    }
    
    .slide > img{
        width: 240px;
        object-fit: contain;
    }

    .contactSwiper {
        height: 320px;
    }

    #outro{
        background-position: left 37.5% center;
    }

    #outro img{
        width: 31.4vw;
    }
}

@media screen and (max-width: 1024px) {
    :root {       
        --title-1: 48px;
        --title-2: 40px;
        --title-3: 26px; 
    
        --font-xl: 22px;
        --font-l: 20px;
        --font-m: 18px;
        --font-s: 16px;
        --font-xs: 14px;
    
        --header-height: 72px;
    
        --size-xl: 96px;
        --size-l: 72px;
        --size-m: 54px;
        --size-s: 36px;
        --size-xs: 18px;
    }

    #main{
        min-height: calc(100vh - 92px);
        background-position: right 30% center;
    }

    #main img{
        height: 32px;
    }

    #main h2{
        font-size: 46px;
        letter-spacing: -2px;
    }

    #main h1{
        line-height: 140%;
    }
        
    #main h1 > span{
        padding: 10px 14px;
    }

    #review a{
        padding: 18px 64px;
        border-radius: 64px;
    }

    #review a > div > span{
        margin-right: 8px;
    }

    .hl-dots{
        top: -4px;
        right: 40.25%;
        gap: 27px;
    }

    .hl-dots > div{
        width: 6.5px;
        height: 6.5px;
    }

    .points{
        max-width: 688px;
        column-gap: 64px;
        row-gap: 64px;
    }

    .points > .ar-1{
        left: calc(50% - 22px);
        width: 44px;
    }
    .points > .ar-2{
        top: calc(50% - 24px);
        width: 44px;
    }
    .points > .ar-3{
        left: calc(50% - 22px);
        width: 44px;
    }

    #career .title-wrapper > h2{
        padding: 0px;
    }
    
    #career .title-wrapper > img{
        width: 42px;
    }
    
    .slide > img{
        width: 200px;
        object-fit: contain;
    }

    .slide > p{
        font-size: var(--font-m);
        letter-spacing: calc(-0.02 * var(--font-m));
        font-weight: 400;
    }

    .bottom-slider{
        margin-top: 32px;
    }

    .slide{
        margin-right: 24px;
    }

    .contact-title{
        padding: 12px;
    }

    .contact-title > span{
        font-size: var(--font-s);
        letter-spacing: calc(-0.02 * var(--font-s));
    }

    .contactSwiper .swiper-slide{
        padding: 12px;
    }
    
    .contactSwiper {
        height: 280px;
    }

    #outro > .section-wrapper{
        padding-top: var(--size-xs);
    }

    .footer-wrapper{
        padding-bottom: var(--size-l);
    }

    .fixed-btn > a img{
        width: 24px;
    }
}

@media screen and (max-width: 768px) {
    :root {       
        --title-1: 36px;
        --title-2: 32px;
        --title-3: 24px; 
    
        --font-xl: 21px;
        --font-l: 19px;
        --font-m: 17px;
        --font-s: 15px;
        --font-xs: 14px;
    
        --header-height: 64px;
    
        --size-xl: 80px;
        --size-l: 64px;
        --size-m: 48px;
        --size-s: 32px;
        --size-xs: 16px;
    }

    .section-wrapper, .header-wrapper, .footer-wrapper{
        padding-left: 20px;
        padding-right: 20px;
    }

    .section-title{
        text-align: center;
        margin-bottom: var(--size-s);
    }

    #career .title-wrapper{
        margin-bottom: var(--size-s);
    }

    #point .section-title{
        margin-bottom: 24px;
    }

    .logo > img{
        height: 32px;
    }

    .header-btn{
        font-size: 16px;
        letter-spacing: calc(-0.02 * 16px);
        padding: 11px 24px;
    }

    #main{
        min-height: calc(100vh - 80px);
        justify-content: flex-start;
        background-image: url('../img/bg2_main_mo.jpg');
        background-position: bottom center;
    }

    #main > .section-wrapper{
        padding-top: var(--size-xl);
        padding-bottom: 0;
    }
    
    #main img{
        height: 20px;
    }

    #main h2{
        font-size: 32px;
        letter-spacing: -1.6px;
        margin-top: 4px;
        margin-bottom: 28px;
    }

    #main .main-txt{
        padding-bottom: 0;
    }

    #main h1 > span{
        padding: 8px 12px;
        border-radius: 2px;
    }

    .mo-only{
        display: block;
    }

    #review a{
        padding: 16px 40px;
        border-radius: 40px;
        margin-top: var(--size-s);
    }

    #review a > div > span{
        font-size: var(--font-m);
        letter-spacing: calc(-0.02 * var(--font-m));
    }

    #review a > div > img{
        width: 12px;
    }

    #point .section-title{
        line-height: 150%;
    }
    
    .hl-dots{
        top: 48px;
        right: 74%;
        gap: 22px;
    }

    .hl-dots > div{
        width: 5px;
        height: 5px;
    }

    .points{
        column-gap: 40px;
        row-gap: 40px;
    }
    
    .points > .ar-1{
        left: calc(50% - 14px);
        width: 28px;
    }
    .points > .ar-2{
        top: calc(50% - 15px);
        width: 28px;
    }
    .points > .ar-3{
        left: calc(50% - 14px);
        width: 28px;
    }

    #career .title-wrapper > h2{
        padding: 0 8px;
    }
    
    .slide > img{
        width: 144px;
        object-fit: contain;
    }

    .slide > p{
        font-size: var(--font-xs);
        letter-spacing: calc(-0.02 * var(--font-xs));
    }

    
    .bottom-slider{
        margin-top: 24px;
    }

    .slide{
        margin-right: 16px;
    }

    #compare img{
        max-width: 100%;
    }

    #warning{
        min-height: 600px;
        background-position: top center;
    }

    #outro{
        min-height: 90vw;
        display: flex;
        justify-content: center;
        align-items: center;
        background-image: url('../img/bg2_outro_mo.jpg');
        background-position: left bottom;
        padding-bottom: calc(1.5 * var(--size-xl));
    }

    #outro > .section-wrapper{
        padding-top: 0;
    }

    #outro img{
        width: 60vw;
        max-width: 240px;
        min-width: 160px;
    }

    .footer-mo{
        display: none;
    }

    .fixed-btn > a span{
        margin-left: 8px;
    }

    .fixed-btn{
        min-width: 360px;
        padding: var(--size-xs);
        gap: 8px;
    }

    .fixed-btn > a img{
        width: 20px;
    }

    .fixed-btn > a span{
        font-size: var(--font-m);
        letter-spacing: calc(-0.02 * var(--font-m));
    }

    .fixed-btn > a{
        padding: 14px 20px;
    }

}

@media screen and (max-width: 576px) {

    #point .points:not(.mo-points){
        display: none;
    }

    #point .mo-points{
        display: grid;
    }
        
    .reviewSwiper .overlay-l{
            width: 20px;
    }

    .reviewSwiper .overlay-r{
        width: 20px;
    }


    #main{
        min-height: calc(100vh - 79px);
    }

    #review a{
        padding: 15px 32px;
    }

    #review a > div > span{
        font-size: 16px;
        letter-spacing: calc(-0.02 * 16px);
    }

    .points{
        column-gap: 12px;
        row-gap: 12px;
    }
    
    .points > .ar-1{
        left: calc(50% - 11px);
        width: 22px;
    }
    .points > .ar-2{
        top: calc(50% - 12px);
        width: 22px;
    }
    .points > .ar-3{
        left: calc(50% - 11px);
        width: 22px;
    }

    #compare img{
        content: url('../img/compare_mo.png');
    }

    .fixed-btn > a img{
        width: 18px;
    }

    .fixed-btn > a span{
        font-size: 16px;
        letter-spacing: calc(-0.02 * 16px);
        margin-left: 6px;
    }

    .contactSwiper .swiper-slide > span:last-of-type > span{
        padding: 6px 12px;
    }


    #outro{
        flex-direction: column;
        justify-content: flex-start;
        min-height: 560px;
        background-position: left bottom;
    }

    #outro > .section-wrapper{
        padding-top: var(--size-m);
        padding-right: var(--size-m);
    }

}