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

    --color-bg: #F2F7FF;
    --color-line: #C8E1FA;

    --color-hl: #2084F8;
    
    --title-1: 54px;
    --title-2: 42px;

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

    --size-xl: 120px;
    --size-l: 80px;
    --size-m: 60px;
    --size-s: 40px;
    --size-xs: 20px;
}

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

::selection {
    background-color: var(--color-bg);
    color: var(--color-hl);
}

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

html {
    scroll-behavior: smooth;
}

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);
}

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

.section-wrapper{
    max-width: 1360px;
    width: 100%;
    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(-0.025 * var(--title-2));
    font-weight: 700;
    color: var(--color-bk);
    word-break: keep-all;
    line-height: 135%;
    margin-bottom: var(--size-xs);
}

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

.section-desc{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-m);
    font-weight: 400;
    color: var(--color-gy);
    word-break: keep-all;
    line-height: 140%;
    margin-bottom: calc(var(--size-xs) * 1.5);
}

.cta-btn{
    display: inline-block;
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-m);
    letter-spacing: calc(-0.025 * var(--font-m));
    font-weight: 600;
    color: var(--color-wh);
    padding: 20px 48px;
    border-radius: 12px;
    background-color: var(--color-hl);
    transition: 0.2s;
}

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

header{
    position: fixed;
    top: 0;
    min-width: 360px;
    width: 100%;
    height: var(--size-l);
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--color-wh);
    z-index: 5;
}

.header-wrapper{
    max-width: 1360px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--size-s);
}

.logo > img{
    height: 32px;
    object-fit: contain;
}

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

#main{
    margin-top: var(--size-l);
    background: linear-gradient(135deg, #F2F7FF, #E9FFF2);
}

#main > .section-wrapper{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-txt{
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding-bottom: var(--size-xs);
}

.main-txt > img{
    height: 28px;
    object-fit: contain;
    margin-bottom: var(--size-xs);
}

.main-txt > h1{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--title-1);
    letter-spacing: calc(-0.025 * var(--title-1));
    font-weight: 700;
    color: var(--color-bk);
    line-height: 130%;
}

.main-txt > p{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-xl);
    letter-spacing: calc(-0.025 * var(--font-m));
    font-weight: 400;
    color: var(--color-gy);
    margin-top: var(--size-xs);
    margin-bottom: var(--size-s);
}

.main-txt > a{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-l);
    letter-spacing: calc(-0.025 * var(--font-l));
    font-weight: 600;
    color: var(--color-wh);
    padding: 22px 64px;
    border-radius: 12px;
    background-color: var(--color-hl);
    transition: 0.2s;
}

.main-txt > a:hover{
    background-color: #1268ca;
}

.main-img{
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.main-img > img{
    max-width: 540px;
    width: 100%;
    object-fit: contain;
}

/* ---------------- TARGET ---------------- */

#target > .section-wrapper{
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

.targets{
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    column-gap: var(--size-xs);
    margin-top: var(--size-m);
}

.target{
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    background-color: var(--color-bg);
    border: 1px solid var(--color-line);
    border-radius: 12px;
    padding: 32px var(--size-xs) var(--size-s) var(--size-xs);
}

.target > img{
    width: 100px;
    object-fit: contain;
    margin-bottom: 16px;
}

.target > p{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-l);
    letter-spacing: calc(-0.025 * var(--font-l));
    font-weight: 500;
    color: var(--color-bk);
}

.target > p > span{
    font-weight: 700;
    color: var(--color-hl);
}

#target .cta-btn{
    font-weight: 700;
    color: var(--color-bk);
    background-color: #FFB933;
}

#target .cta-btn:hover{
    background-color: #e2970a;
}

/* ---------------- WHYUS ---------------- */

#whyus{
    background-color: #2F3F51;
}

#whyus .section-wrapper{
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: flex-start;
}

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

#whyus .section-desc{
    color: #BFC1C7;
}

#whyus .cta-btn:hover{
    background-color: #1268ca;
}

.whyus-sub{
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    row-gap: var(--size-xs);
}

.whyus-sub > div{
    width: 100%;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    background-color: #394E65;
    border: 1px solid #506C8B;
    border-radius: 12px;
    padding: var(--size-s);
}

.whyus-sub > div > img{
    width: 100px;
    object-fit: contain;
    margin-right: var(--size-s);
}

.whyus-sub > div > div > h3{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-l);
    letter-spacing: calc(-0.025 * var(--font-l));
    font-weight: 700;
    color: var(--color-wh);
    line-height: 135%;
    margin-bottom: var(--size-xs);
}

.whyus-sub > div > div > p{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-s);
    letter-spacing: calc(-0.025 * var(--font-s));
    font-weight: 400;
    color: #BFC1C7;
    line-height: 140%;
    word-break: keep-all;
}

/* ---------------- PROCESS ---------------- */

#process{
    background-color: var(--color-bg);
    padding-bottom: 0;
}

#process > .section-wrapper{
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-bottom: var(--size-xl);
    z-index: 2;
}

#process > .section-wrapper > img{
    position: absolute;
    bottom: 0;
    right: 0;
    width: 680px;
    object-fit: contain;
    z-index: 1;
}

#process .section-title{
    text-align: center;
    margin-bottom: calc(1.5 * var(--size-xs));
    z-index: 2;
}

#process .cta-btn{
    background-color: var(--color-bk);
    z-index: 2;
}

#process .cta-btn:hover{
    background-color: #000;
}

#process > .section-wrapper > div{
    width: 100%;
    display: grid;
    grid-template-columns: 2fr 1fr;
    column-gap: var(--size-xs);
    margin-top: var(--size-m);
    z-index: 2;
}

.processes{
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: var(--size-xs);
    row-gap: var(--size-xs);
}

.process{
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: var(--size-s);
    background-color: var(--color-wh);
    border-radius: 12px;
}

.process > img{
    height: 28px;
    object-fit: contain;
    margin-bottom: 8px;
}

.processes > .process:last-of-type {
    border: 2px solid var(--color-hl);
}

.processes > .process:last-of-type > p{
    color: var(--color-hl);
}

.processes > .process:last-of-type > img{
    height: 24px;
    margin-bottom: 12px;
}

.process > P{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-l);
    letter-spacing: calc(-0.025 * var(--font-l));
    font-weight: 700;
    color: var(--color-bk);
    margin-bottom: 12px;
}

.process > div{
    width: 100%;
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
}

.process > div > img{
    height: 64px;
    object-fit: contain;
}

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

#review > .section-wrapper{
    display: grid;
    grid-template-columns: 1fr 2fr;
    column-gap: var(--size-l);
}

#review .section-title{
    margin-bottom: calc(1.5 * var(--size-xs));
}

#review .cta-btn:hover{
    background-color: #1268ca;
}

.review-sub{
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: var(--size-xs);
}

.reviews{
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: var(--size-xs);
}

.review-sub > .reviews:first-of-type{
    margin-top: var(--size-s);
}

.review{
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: calc(1.5 * var(--size-xs));
    background-color: #F7F8FA;
    border-radius: 12px;
}

.review > img{
    height: 60px;
    object-fit: contain;
    margin-bottom: var(--size-xs);
}

.review > p{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-s);
    letter-spacing: calc(-0.025 * var(--font-s));
    font-weight: 400;
    color: var(--color-bk);
    line-height: 140%;
    word-break: keep-all;
}

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

footer{
    background-color: var(--color-hl);
    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);
}

.footer-wrapper > p{
    font-family: 'Pretendard Variable', sans-serif;
    font-size: var(--font-xs);
    letter-spacing: calc(-0.025 * var(--font-xs));
    font-weight: 400;
    color: var(--color-wh);
    margin-top: var(--size-xs);
    line-height: 150%;
}

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

.mo-only{
    display: none;
}

@media screen and (max-width: 1360px) {
    :root {     
        --title-1: 48px;
        --title-2: 40px;
    
        --font-xl: 26px;
        --font-l: 22px;
        --font-m: 18px;
        --font-s: 16px;
        --font-xs: 15px;
    
        --size-xl: 96px;
        --size-l: 72px;
        --size-m: 54px;
        --size-s: 36px;
        --size-xs: 18px;
    }

    .logo > img{
        height: 28px;
    }

    .main-img > img{
        width: 90%;
    }

    .targets{
        column-gap: 12px;
    }

    .target > img{
        width: 92px;
    }

    .target > p{
        font-size: 20px;
        letter-spacing: calc(-0.025 * 20px);
    }

    #whyus > .section-wrapper{
        grid-template-columns: 1fr 1.3fr;
    }

    #process > .section-wrapper > img{
        max-width: 680px;
        width: 55vw;
    }

    .process > div > img {
        height: 56px;
    }

    #review > .section-wrapper{
        column-gap: var(--size-s);
    }

    .review > img{
        height: 52px;
    }

    .review-sub{
        column-gap: 12px;
    }

    .reviews{
        gap: 12px;
    }
}

@media screen and (max-width: 1024px) {
    :root {     
        --title-1: 40px;
        --title-2: 32px;
    
        --font-xl: 26px;
        --font-l: 22px;
        --font-m: 18px;
        --font-s: 16px;
        --font-xs: 15px;
    
        --size-xl: 96px;
        --size-l: 72px;
        --size-m: 54px;
        --size-s: 36px;
        --size-xs: 18px;
    }

    .main-txt > img{
        height: 24px;
    }

    .main-txt > p{
        font-size: var(--font-l);
        letter-spacing: calc(-0.025 * var(--font-l));
    }

    .main-img{
        width: 90%;
    }

    .main-img > img{
        width: 100%;
    }

    .main-txt > a{
        font-size: 20px;
        letter-spacing: calc(-0.025 * 18px);
        padding: 18px 48px;
    }

    .cta-btn{
        padding: 18px 40px;
    }

    .targets{
        grid-template-columns: 1fr 1fr;
        row-gap: 12px;
    }

    .target{
        padding: calc(1.5 * var(--size-xs)) var(--size-xs);
    }

    .target > img{
        width: 80px;
    }

    #whyus > .section-wrapper{
        display: grid;
        grid-template-columns: 1fr;
        row-gap: var(--size-m);
    }

    .whyus-sub > div > img{
        width: 84px;
    }

    #process > .section-wrapper > div{
        grid-template-columns: 1fr;
    }

    #process > .section-wrapper > img{
        width: 280px;
        top: -40px;
        bottom: initial;
    }

    #review > .section-wrapper{
        grid-template-columns: 1fr;
    }

    .review-sub{
        margin-top: var(--size-xs);
    }

    .reviews{
        width: 100%;
    }

    .review{
        width: 100%;
    }
}

@media screen and (max-width: 768px) {
    :root {     
        --title-1: 32px;
        --title-2: 28px;
    
        --font-xl: 24px;
        --font-l: 21px;
        --font-m: 18px;
        --font-s: 16px;
        --font-xs: 14px;
    
        --size-xl: 80px;
        --size-l: 64px;
        --size-m: 48px;
        --size-s: 32px;
        --size-xs: 16px;
    }

    .section-wrapper, .header-wrapper, .footer-wrapper{
        padding-left: 18px;
        padding-right: 18px;
    }

    .logo > img{
        height: 24px;
    }

    #main{
        padding: var(--size-xl) 0 var(--size-m) 0;
    }

    #main > .section-wrapper{
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
    }

    .main-txt{
        align-items: center;
    }

    .main-txt > h1{
        text-align: center;}

    .main-txt > p{
        margin-bottom: 24px;
    }

    .main-img {
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: flex-start;
        margin-top: var(--size-s);
    }

    .main-img > img{
        width: 320px;
    }

    #target > .section-wrapper > p{
        text-align: center;
        word-break: keep-all;
    }

    .targets{
        row-gap: 8px;
        column-gap: 8px;
    }

    .target{
        padding: 20px 8px 16px 8px;
    }

    .target > img{
        width: 64px;
        margin-bottom: 12px;
    }

    .target > p{
        font-size: var(--font-s);
        letter-spacing: calc(-0.025 * var(--font-s));
    }

    .whyus-sub > div{
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
    }

    .whyus-sub > div > img{
        margin-bottom: var(--size-xs);
        margin-right: 0;
    }

    .whyus-sub > div *{
        text-align: center;
    }

    .whyus-sub > div{
        padding: 24px 16px;
    }

    .processes{
        grid-template-columns: 1fr;
        row-gap: 8px;
    }

    .process{
        padding: 24px 20px;
    }

    .process > img{
        height: 24px;
    }

    .processes > .process:last-of-type > img{
        height: 20px;
    }

    .process > div > img{
        height: 48px;
    }

    .process > p{
        margin-bottom: 0;
    }

    #process > .section-wrapper > img{
        display: none;
    }

    .review-sub{
        grid-template-columns: 1fr;
        row-gap: 8px;
    }

    .reviews{
        gap: 8px;
    }

    .review{
        padding: 24px 20px;
    }

    .review > img{
        height: 45px;
    }

    .mo-only{
        display: block;
    }
}