main small {
    font-weight: 600;
    font-size: 1.6rem;
    color: #5a6e81;
}
main h2 {
    font-weight: 800;
    font-size: 3.6rem;
    line-height: 1.39;
    letter-spacing: -0.06em;
    color: #283b5d;
}
main h3 {
    font-weight: 700;
    font-size: 2.2rem;
    letter-spacing: -0.06em;
    color: #283b5d;
    padding-left: 2rem;
    position: relative;
}
main h3::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: #006ffb;
}
main .buttons {
    display: grid;
    grid-template-columns: repeat(2, max-content);
    gap: 1rem;
}
main .buttons a {
    border-radius: 5px;
    font-weight: 700;
    font-size: 1.6rem;
    letter-spacing: -0.04em;
    border: solid 1px #283b5d;
    padding: 1.4rem 4.2rem;
}
main .buttons a:first-child {
    background: #283b5d;
    color: #fff;
}
main .buttons a:last-child {
    background: transparent;
    color: #283b5d;
}

#sub-visual {
    background: #f5f7fa;
}
#sub-visual .inner {
    display: flex;
    flex-wrap: wrap;
    padding: 5rem 0;
}
#sub-visual .inner .text {
    margin-top: 7rem;
    flex: 1 1 max-content;
}
#sub-visual .inner .img-wrap {
    margin-left: auto;
    width: 63rem;
    aspect-ratio: 63/40;
    position: relative;
}
#sub-visual .inner .img-wrap img {
    position: relative;
}
#sub-visual .inner .img-wrap svg text {
    font-family: "Poppins";
    font-weight: 700;
    font-size: 1.4rem;
    fill: #283b5d;
}
#sub-visual small {
    font-weight: 600;
    font-size: 1.6rem;
    color: #006ffb;
}
#sub-visual h1 {
    margin-top: 0.8rem;
    font-weight: 800;
    font-size: 4.4rem;
    line-height: 1.4;
    letter-spacing: -0.05em;
    color: #333;
}
#sub-visual p {
    margin-top: 1.2rem;
    font-size: 1.8rem;
    letter-spacing: -0.06em;
    color: #333;
}
#sub-visual .buttons {
    margin-top: 7rem;
}

#features .header {
    margin-top: 1rem;
    display: grid;
    row-gap: 2rem;
    grid-template-areas: "head img" "desc img";
}
#features .header h2 {
    grid-area: head;
}
#features .header p {
    grid-area: desc;
    font-size: 1.6rem;
    line-height: 1.63;
    letter-spacing: -0.06em;
    color: #5a6e81;
}
#features .header img {
    grid-area: img;
    margin-left: auto;
    box-shadow: 3px 10px 20px 0 rgba(161, 179, 196, 0.3);
    border-radius: 15px;
}
#features h3 {
    margin-top: 4rem;
}
#features .inner > ul {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, max-content);
    gap: 3.6rem;
}
#features .inner > ul > li {
    border-radius: 20px;
    padding: 3rem;
    background: #f8fafd;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s;
}
#features .inner > ul > li:hover {
    box-shadow: 3px 5px 10px 0 rgba(161, 179, 196, 0.2);
}
#features .inner > ul > li > small {
    font-family: "Poppins";
    font-weight: 700;
    font-size: 2rem;
    color: #25314e;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#features .inner > ul > li > small span {
    font-family: "NotoSansKR";
    font-weight: 400;
    font-size: 1.4rem;
    color: #5a6e81;
    padding-left: 2.2rem;
    background: url("/images/apis/ic_nts.webp") left/contain no-repeat;
}
#features .inner > ul > li > small button {
    border-radius: 3px;
    background: url("/images/apis/ic_scope.svg") right 6px center no-repeat #deebff;
    font-weight: 600;
    font-size: 1.4rem;
    letter-spacing: -0.06em;
    color: #006ffb;
    padding: 0.2rem 2.4rem 0.3rem 0.6rem;
}
#features .inner > ul > li > strong {
    margin-top: 1.6rem;
    font-size: 2.2rem;
    line-height: 1.36;
    letter-spacing: -0.03em;
    color: #0055bf;
    opacity: 0.8;
}
#features .inner > ul > li > p:first-of-type {
    margin-top: 1.8rem;
    flex-basis: 8rem;
    font-size: 1.6rem;
    line-height: 1.63;
    letter-spacing: -0.06em;
    color: #121212;
}
#features .inner > ul > li > p:last-child {
    font-size: 1.6rem;
    line-height: 1.63;
    letter-spacing: -0.06em;
    border-top: dashed 1px #aeb7d5;
    padding-top: 3rem;
    color: #5a6e81;
}
#features .inner > ul > li > p:last-child img ~ img {
    margin-left: 1rem;
}
#features .inner > ul > li > p:last-child em {
    font-weight: 500;
    font-size: 1.4rem;
    color: #25314e;
    letter-spacing: -0.06em;
    background: #dfe9f8;
    border-radius: 13px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 6rem;
}
#features .inner > ul > li > p:last-child small {
    display: block;
    margin-left: 6.5rem;
    font-weight: 500;
    font-size: 1.3rem;
    letter-spacing: -0.06em;
    color: #5a6e81;
}

#developers .inner {
    padding-top: 0;
}
#developers h2 {
    text-align: center;
}
#developers .inner > p {
    margin-top: 2rem;
    font-size: 1.6rem;
    letter-spacing: -0.06em;
    line-height: 1.4;
    color: #5a6e81;
    text-align: center;
}
#developers ul {
    margin-top: 5rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.4rem;
}
#developers li {
    border-radius: 10px;
    border: solid 1px #e1e8f5;
    padding: 3rem 2rem 3rem 10rem;
    font-weight: 500;
    font-size: 1.5rem;
    line-height: 1.47;
    letter-spacing: -0.04em;
    color: #333;
    background: left 2.6rem center no-repeat;
}
#developers li:nth-child(1) {
    background-image: url("/images/apis/ic_developers1.svg");
}
#developers li:nth-child(2) {
    background-image: url("/images/apis/ic_developers2.svg");
}
#developers li:nth-child(3) {
    background-image: url("/images/apis/ic_developers3.svg");
}
#developers li:nth-child(4) {
    background-image: url("/images/apis/ic_developers4.svg");
}
#developers a {
    display: flex;
    aspect-ratio: 4/1;
    flex-direction: column;
    margin-top: 3rem;
    border-radius: 20px;
    padding: 5rem;
    position: relative;
    overflow: hidden;
}
#developers a::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: block;
    width: 100%;
    height: 100%;
    background: url("/images/apis/developers-bg.webp") center/cover no-repeat;
    transition: transform 0.2s ease-in-out;
    z-index: -1;
}
#developers a:hover::before {
    transform: translate(-50%, -50%) scale(1.08);
}
#developers a::after {
    content: "";
    position: absolute;
    top: 4rem;
    right: 4rem;
    display: block;
    width: 108px;
    height: 108px;
    background: url("/images/apis/rotate-text.webp") center/cover no-repeat;
    animation: rotate 8s linear infinite;
}
#developers a p:first-child {
    font-weight: 600;
    font-size: 1.8rem;
    letter-spacing: -0.06em;
    color: #fff;
}
#developers a strong {
    font-family: "Raleway";
    font-weight: 700;
    font-size: 3.2rem;
    color: #fff;
    align-self: flex-start;
    padding-right: 26px;
    background: url("/images/apis/ic_arrow.svg") right center no-repeat;
}
#developers a p:last-child {
    margin-top: auto;
    padding-top: calc(1.5rem + 1px);
    position: relative;
    font-weight: 500;
    font-size: 1.5rem;
    line-height: 1.73;
    letter-spacing: -0.06em;
    color: #fff;
}
#developers a p:last-child::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 20px;
    height: 1px;
    background: #fff;
}

#security {
    background: #f7f9fd;
}
#security .header {
    display: flex;
}
#security .header h2 {
    margin-right: auto;
}
#security .header .img-wrap {
    margin-left: 2rem;
    box-shadow: -3px 3px 10px 0 #dae4f7;
    border-radius: 12px;
    overflow: visible;
    align-self: flex-start;
    height: 10rem;
}
#security .header img {
    background-image: linear-gradient(44deg, #f7f9fd 4%, #eaf0fc 93%);
    box-shadow: 3px -3px 10px 0 #fff;
    border-radius: 12px;
}
#security ul.security-list {
    margin-top: 5rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.4rem;
}
#security ul.security-list > li {
    border-radius: 10px;
    background: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 3px 20px 0 #e5ecfa;
    padding: 3rem;
}
#security ul.security-list > li em {
    font-weight: 700;
    font-size: 2rem;
    letter-spacing: -0.06em;
    position: relative;
    color: #22487e;
}
#security ul.security-list > li em::before {
    content: "";
    position: absolute;
    top: 0;
    right: -10px;
    width: 6px;
    height: 6px;
    background: #ff4800;
    border-radius: 50%;
}
#security ul.security-list > li > div {
    align-self: stretch;
    margin-top: 2.4rem;
    border-top: solid 1px #e4e8ef;
    padding: 3rem 1rem 0;
}
#security ul.security-list > li > div > ul {
    display: block;
}
#security ul.security-list > li > div > ul > li {
    font-size: 1.6rem;
    letter-spacing: -0.03em;
    padding-left: 10px;
    position: relative;
}
#security ul.security-list > li > div > ul > li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.9rem;
    display: block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #121212;
}
#security ul.security-list > li > div > ul > li ~ li {
    margin-top: 1rem;
}
#security ul.security-list > li > div > ul > li ul.sub-list {
    margin-top: 1rem;
    border-radius: 10px;
    background: #f7f9fd;
    display: block;
    padding: 1rem 1.8rem 1rem 1.5rem;
}
#security ul.security-list > li > div > ul > li ul.sub-list > li {
    font-size: 1.5rem;
    color: #5a6e81;
    letter-spacing: normal;
    position: relative;
    padding-left: 1rem;
}
#security ul.security-list > li > div > ul > li ul.sub-list > li::before {
    content: "";
    position: absolute;
    top: 0.6rem;
    left: 0;
    border-top: solid 4px transparent;
    border-bottom: solid 4px transparent;
    border-left: solid 4px #5a6e81;
}
#security ul.security-list > li > div > ul > li ul.sub-list > li ~ li {
    margin-top: 0.6rem;
}

#process .inner {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}
#process .caption {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
#process .caption span {
    font-family: "Poppins";
    font-weight: 500;
    font-size: 1.5rem;
    color: #121212;
    padding-left: 2rem;
    background: left center no-repeat;
}
#process .caption span.tel {
    background-image: url("/images/apis/ic_tel.svg");
}
#process .caption span.mail {
    background-image: url("/images/apis/ic_mail.svg");
}
#process .flex-box {
    grid-column: 1/3;
    margin-top: 2rem;
    display: flex;
}
#process .flex-box .wrapper {
    flex: 0 1 30rem;
}
#process .flex-box ol {
    counter-reset: step;
    display: flex;
    align-items: stretch;
    flex-direction: column;
}
#process .flex-box ol li {
    border-left: solid 2px #ebf0f9;
    padding-left: 2.8rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 9.5rem;
    cursor: pointer;
}
#process .flex-box ol li.active {
    border-color: #006ffb;
}
#process .flex-box ol li.active::before {
    color: #006ffb;
}
#process .flex-box ol li.active p {
    color: #121212;
}
#process .flex-box ol li::before {
    content: "STEP 0" counter(step);
    counter-increment: step;
    font-family: "Poppins";
    font-weight: 600;
    font-size: 1.4rem;
    color: #b2bed2;
}
#process .flex-box ol li p {
    margin-top: 0.6rem;
    font-weight: 700;
    font-size: 1.8rem;
    letter-spacing: -0.03em;
    color: #b2bed2;
}
#process .flex-box .security-swiper {
    overflow-x: hidden;
    flex: 0 0 90rem;
}
#process .flex-box .security-swiper .swiper-slide {
    display: flex;
    flex-direction: column;
    padding: 5rem 35rem 5rem 5rem;
    height: 38rem;
    border-radius: 10px;
    background: right/contain no-repeat #f7f9fd;
}
#process .flex-box .security-swiper .swiper-slide.slide-1 {
    background-image: url("/images/apis/security1.webp");
}
#process .flex-box .security-swiper .swiper-slide.slide-2 {
    background-image: url("/images/apis/security2.webp");
}
#process .flex-box .security-swiper .swiper-slide.slide-3 {
    background-image: url("/images/apis/security3.webp");
}
#process .flex-box .security-swiper .swiper-slide.slide-4 {
    background-image: url("/images/apis/security4.webp");
}
#process .flex-box .security-swiper .swiper-slide span {
    align-self: flex-start;
    font-weight: 500;
    font-size: 1.6rem;
    letter-spacing: -0.06em;
    color: #006ffb;
    border-radius: 5px;
    padding: 0.2rem 1rem 0.3rem;
    background: #dbebff;
}
#process .flex-box .security-swiper .swiper-slide strong {
    margin-top: 2rem;
    display: block;
    font-size: 2.4rem;
    letter-spacing: -0.03em;
    color: #121212;
}
#process .flex-box .security-swiper .swiper-slide ul {
    margin-top: 3rem;
    border-top: solid 1px #e4e8ef;
    padding-top: 3rem;
}
#process .flex-box .security-swiper .swiper-slide li {
    padding-left: 3rem;
    background: url("/images/apis/ic_circle-check.svg") left top 4px no-repeat;
    font-size: 1.6rem;
    line-height: 1.63;
    letter-spacing: -0.03em;
    color: #121212;
}
#process .flex-box .security-swiper .swiper-slide li ~ li {
    margin-top: 2rem;
}

#qna .inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 0;
}
#qna .inner h3 {
    display: none;
}
#qna .inner h2 {
    text-align: center;
}
#qna .inner ul {
    align-self: stretch;
    margin-top: 5rem;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: repeat(5, fit-content(11rem));
    position: relative;
    gap: 2rem;
    height: fit-content;
    transition: height 0.2s;
}
#qna .inner ul.hidden {
    height: 34rem;
    overflow: hidden;
}
#qna .inner ul.hidden::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    display: block;
    width: 100%;
    height: 6.7rem;
    background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.06), #fff);
}
#qna .inner ul li {
    display: flex;
    gap: 2rem;
}
#qna .inner ul li > div {
    border-radius: 10px;
    padding: 2rem 3rem 2rem 6rem;
    font-weight: 500;
    font-size: 1.5rem;
    line-height: 1.6;
    letter-spacing: -0.03em;
    color: #25314e;
    position: relative;
}
#qna .inner ul li > div::before {
    position: absolute;
    top: 2rem;
    left: 3rem;
    font-family: "GmarketSans";
    font-weight: 700;
    font-size: 1.8rem;
}
#qna .inner ul li > div.q {
    margin-left: 14px;
    flex: 0 0 45rem;
    background: #f8f8f8;
    align-self: flex-start;
}
#qna .inner ul li > div.q::before {
    content: "Q.";
    color: #283b5d;
}
#qna .inner ul li > div.q::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateX(-100%);
    border-left: solid 14px transparent;
    border-bottom: solid 20px #f8f8f8;
}
#qna .inner ul li > div.a {
    margin-right: 14px;
    flex: 1;
    background: #e6efff;
    color: #4b506d;
}
#qna .inner ul li > div.a .empty-line {
    height: 15px;
}

#qna .inner ul li > div.a a {
    display: inline-block;
    color: #006cff;
}
#qna .inner ul li > div.a a::after {
    display: inline-block;
    width: 12px;
    height: 12px;
    content: '';
    background: url("/images/apis/ic_link-blue.svg") center/contain no-repeat;
    transform: translate(3px, 1px);
    transition: transform .2s;
}
#qna .inner ul li > div.a a:hover::after {
    transform: translate(5px, -1px);
}

#qna .inner ul li > div.a::before {
    content: "A.";
    color: #006ffb;
}
#qna .inner ul li > div.a::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateX(100%);
    border-right: solid 14px transparent;
    border-bottom: solid 20px #e6efff;
}
#qna .inner button {
    margin-top: 5rem;
    border-radius: 2.3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 12.5rem;
    height: 4.6rem;
    border: solid 1px #e5e8eb;
    font-weight: 700;
    font-size: 1.6rem;
    letter-spacing: -0.04em;
    color: #283b5d;
    padding: 0 3rem 0.1rem;
}
#qna .inner button::after {
    content: "";
    display: block;
    width: 12px;
    height: 8px;
    background: url("/images/apis/ic_arrow-up.svg") no-repeat;
}
#qna .inner ul.hidden + button::after {
    transform: scaleY(-1);
}

#other .inner {
    padding-top: 0;
}
#other .header {
    display: flex;
}
#other .header .buttons {
    margin-left: auto;
    align-self: center;
}
#other ul {
    margin-top: 5.5rem;
    display: flex;
    gap: 2rem 2.4rem;
    flex-wrap: wrap;
}
#other li {
    border-radius: 30px;
    background: left 3rem center no-repeat #f2f5fd;
    transition: background-color 0.2s ease-in-out;
}
#other li > a {
    display: block;
    padding: 2rem 3rem 2rem 6rem;
    height: 6rem;
    font-weight: 500;
    font-size: 1.6rem;
    color: #121212;
    letter-spacing: -0.03em;
}
#other li:hover {
    background-color: #e7edfc;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}
@media (max-width: 1350px) {
    #developers ul {
        gap: 2rem;
    }
    #developers li {
        padding: 3rem 1rem 3rem 9rem;
        background-position: left 2rem center;
    }
}
@media (max-width: 1140px) {
    #sub-visual .inner {
        padding: 6rem 0 40rem;
        position: relative;
    }
    #sub-visual .inner .text {
        margin-top: 0;
    }
    #sub-visual .inner .img-wrap {
        position: absolute;
        bottom: 6rem;
        right: 0;
    }
    #developers ul {
        gap: 1.6rem;
        grid-template-columns: repeat(2, 1fr);
    }
    #developers li {
        padding: 3rem 2rem 3rem 10rem;
        background-position: left 2.6rem center;
    }
    #process .flex-box {
        margin-top: 5rem;
        flex-direction: column;
    }
    #process .flex-box .wrapper {
        flex-basis: auto;
        margin-bottom: 3rem;
    }
    #process .flex-box #security-text-list {
        flex-direction: row;
    }
    #process .flex-box #security-text-list li {
        border-left: 0;
        padding-left: 0;
        flex: 1 0 auto;
        padding-bottom: 1rem;
        height: auto;
        border-bottom: solid 1px #ebf0f9;
    }
    #process .flex-box #security-text-list li.active {
        border-bottom-color: #006ffb;
    }
    #process .flex-box .security-swiper {
        flex-basis: auto;
    }
}
@media (max-width: 1024px) {
    #features .header {
        display: flex;
        flex-direction: column;
    }
    #features .header img {
        margin-left: 0;
    }
    #features .inner > ul {
        gap: 2.4rem;
    }
    #features .inner > ul > li > strong {
        font-size: 2rem;
    }
    #features .inner > ul > li > p:first-of-type, #features .inner > ul > li > p:last-child {
        font-size: 1.5rem;
    }
}
@media (max-width: 950px) {
    #sub-visual .inner .img-wrap {
        width: calc(100% - 25rem);
        min-width: 500px;
    }
    #features .inner > ul {
        grid-template-columns: repeat(2, 1fr);
    }
    #developers a {
        margin: 3rem -20px 0;
        padding: 3rem;
        border-radius: unset;
        aspect-ratio: unset;
    }
    #developers a::before {
        width: 200%;
        height: 200%;
    }
    #developers a::after {
        top: 2rem;
        right: 2rem;
    }
    #developers a p:last-child {
        margin-top: 5rem;
    }
    #security {
        background: #fff;
    }
    #security .inner {
        padding: 0 0 6rem;
    }
    #security ul.security-list > li {
        padding: 2rem 1.5rem 3rem 1.5rem;
    }
    #security ul.security-list > li > div {
        margin-top: 2rem;
        padding: 2rem 0 0;
    }
}
@media (max-width: 850px) {
    #security .header {
        flex-wrap: wrap;
        row-gap: 2.5rem;
    }
    #security .header h2 {
        width: 100%;
    }
    #security .header .img-wrap {
        margin-left: 0;
        box-shadow: unset;
        border-radius: unset;
        height: 8rem;
    }
    #security .header img {
        background: none;
        box-shadow: unset;
        border-radius: unset;
    }
    #security ul.security-list {
        margin-top: 3rem;
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    #process .flex-box .security-swiper .swiper-slide {
        padding: 3rem 30rem 3rem 3rem;
    }
}
@media (max-width: 750px) {
    #process .inner {
        padding: 0 0 6rem;
        display: flex;
        flex-direction: column;
    }
    #process .inner h3 {
        order: 1;
    }
    #process .inner .caption {
        order: 3;
    }
    #process .inner .flex-box {
        order: 2;
    }
    #process .caption {
        margin-top: 1.6rem;
        font-weight: 400;
        font-size: 1.3rem;
    }
    #process .flex-box {
        margin-top: 3rem;
    }
    #process .flex-box .wrapper {
        max-width: 100%;
        overflow-x: auto;
        position: relative;
        overscroll-behavior-x: none;
        --scrollLeft: 0;
    }
    #process .flex-box .wrapper::before, #process .flex-box .wrapper::after {
        content: "";
        position: absolute;
        top: 50%;
        width: 5rem;
        height: 100%;
        pointer-events: none;
        transform: translateX(var(--scrollLeft)) translateY(-50%);
        opacity: 0;
        transition: opacity 0.2s;
    }
    #process .flex-box .wrapper::before {
        background-image: linear-gradient(90deg, rgb(255, 255, 255), rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0));
        left: -1px;
    }
    #process .flex-box .wrapper::after {
        background-image: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.7), rgb(255, 255, 255));
        right: -1px;
    }
    #process .flex-box .wrapper.left::before, #process .flex-box .wrapper.right::after {
        opacity: 1;
    }
    #process .flex-box .wrapper::-webkit-scrollbar {
        display: none;
    }
    #process .flex-box .wrapper #security-text-list {
        min-width: 620px;
    }
    #process .flex-box .security-swiper .swiper-slide {
        box-shadow: 0 3px 10px 0 rgba(173, 196, 227, 0.16);
        border: solid 1px #e2efff;
        padding: 2rem;
        height: auto;
    }
    #process .flex-box .security-swiper .swiper-slide.slide-1, #process .flex-box .security-swiper .swiper-slide.slide-2, #process .flex-box .security-swiper .swiper-slide.slide-3, #process .flex-box .security-swiper .swiper-slide.slide-4 {
        background-image: none;
    }
    #process .flex-box .security-swiper .swiper-slide::after {
        content: "";
        display: block;
        align-self: stretch;
        aspect-ratio: 2/1;
        margin-top: auto;
        background: center/cover #f7f9fd no-repeat;
    }
    #process .flex-box .security-swiper .swiper-slide span {
        font-size: 1.4rem;
    }
    #process .flex-box .security-swiper .swiper-slide strong {
        font-size: 1.8rem;
    }
    #process .flex-box .security-swiper .swiper-slide ul {
        margin-top: 2rem;
        padding-top: 2rem;
        margin-bottom: 2.5rem;
    }
    #process .flex-box .security-swiper .swiper-slide li {
        font-size: 1.4rem;
        padding-left: 1.5rem;
        background-position: left top 6px;
        background-image: url("/images/apis/ic_check.svg");
    }
    #process .flex-box .security-swiper .swiper-slide li ~ li {
        margin-top: 1rem;
    }
    #process .flex-box .security-swiper .swiper-slide.slide-1::after {
        background-image: url("/images/apis/m_security1.webp");
    }
    #process .flex-box .security-swiper .swiper-slide.slide-2::after {
        background-image: url("/images/apis/m_security2.webp");
    }
    #process .flex-box .security-swiper .swiper-slide.slide-3::after {
        background-image: url("/images/apis/m_security3.webp");
    }
    #process .flex-box .security-swiper .swiper-slide.slide-4::after {
        background-image: url("/images/apis/m_security4.webp");
    }
}
@media (max-width: 660px) {
    main h2 {
        font-size: 2.6rem;
    }
    main h3 {
        font-size: 1.8rem;
    }
    #sub-visual .inner {
        padding: 6rem 0;
    }
    #sub-visual small {
        display: block;
        font-weight: 700;
        font-size: 1.5rem;
        text-align: center;
    }
    #sub-visual h1 {
        font-weight: 900;
        font-size: 2.7rem;
        text-align: center;
    }
    #sub-visual p {
        font-weight: 500;
        font-size: 1.6rem;
        text-align: center;
    }
    #sub-visual .buttons {
        margin-top: 3rem;
        justify-content: center;
    }
    #sub-visual .inner .img-wrap {
        margin-top: 6rem;
        position: relative;
        bottom: auto;
        min-width: auto;
        width: auto;
        align-self: stretch;
    }
    #features .header .mobile-br {
        display: inline;
    }
    #features .header p {
        font-size: 1.5rem;
    }
    #features h3 {
        margin-top: 5rem;
    }
    #features .inner > ul {
        gap: 1.6rem;
    }
    #features .inner > ul > li > small span {
        font-size: 1.3rem;
    }
    #developers ul {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    #developers .inner > p {
        font-size: 1.5rem;
    }
    #developers .laptop-br {
        display: none;
    }
    #developers a {
        padding: 3rem 1.6rem;
    }
    #developers a::after {
        width: 80px;
        height: 80px;
    }
    #developers a p:first-child {
        font-weight: 500;
        font-size: 1.5rem;
    }
    #developers a strong {
        font-size: 2.4rem;
    }
    #security .header {
        row-gap: 2rem;
    }
    #security .header .img-wrap {
        align-self: center;
        height: 6rem;
    }
    #security .header .img-wrap:first-of-type {
        height: 7rem;
    }
    #security ul.security-list {
        margin: 3rem -20px 0;
        gap: 0;
    }
    #security ul.security-list > li {
        border-radius: unset;
        box-shadow: unset;
        border-top: solid 1px #e4e8ef;
        padding: 0;
    }
    #security ul.security-list > li:last-child {
        border-bottom: solid 1px #e4e8ef;
    }
    #security ul.security-list > li em {
        align-self: stretch;
        padding: 2rem 0;
        margin: 0 1.6rem;
        font-size: 1.6rem;
        color: #768393;
        background: url("/images/apis/ic_arrow-down-black.svg") right 1rem center no-repeat;
        border-bottom: solid 1px transparent;
        transition: background-image 0.2s;
    }
    #security ul.security-list > li em::before {
        content: none;
    }
    #security ul.security-list > li > div {
        background: #f8fafd;
        margin-top: 0;
        border-top: 0;
        padding: 0 2.5rem;
        display: grid;
        grid-template-rows: 0fr;
        transition: all 0.2s ease-in-out;
    }
    #security ul.security-list > li > div > ul {
        overflow: hidden;
    }
    #security ul.security-list > li > div > ul > li ul.sub-list {
        margin-top: 0.5rem;
        margin-bottom: 0.5rem;
        padding: 0;
    }
    #security ul.security-list > li.active em {
        background-image: url("/images/apis/ic_arrow-up-black.svg");
        color: #121212;
        border-bottom-color: #e4e8ef;
    }
    #security ul.security-list > li.active > div {
        grid-template-rows: 1fr;
        padding: 2rem 2.5rem;
    }
    #qna .inner h3 {
        display: block;
        align-self: flex-start;
    }
    #qna .inner h2 {
        margin-top: 2rem;
    }
    #qna .inner ul {
        margin-top: 3rem;
        display: flex;
        flex-direction: column;
        gap: 2.4rem;
        height: auto;
    }
    #qna .inner ul li {
        flex-direction: column;
        gap: 2.4rem;
    }
    #qna .inner ul li > div {
        min-height: 10rem;
        font-size: 1.5rem;
        padding: 1.7rem 1.7rem 1.7rem 4rem;
    }
    #qna .inner ul li > div::before {
        left: 1.6rem;
    }
    #qna .inner ul li > div.q {
        flex-basis: auto;
        margin-left: 0;
        align-self: stretch;
    }
    #qna .inner ul li > div.q::after {
        top: auto;
        bottom: 0;
        left: 1rem;
        transform: translateY(100%);
        border-left: solid 20px #f8f8f8;
        border-bottom: solid 14px transparent;
    }
    #qna .inner ul li > div.a {
        margin-right: 0;
        align-self: stretch;
    }
    #qna .inner ul li > div.a::after {
        top: auto;
        bottom: 0;
        right: 1rem;
        transform: translateY(100%);
        border-right: solid 20px #e6efff;
        border-bottom: solid 14px transparent;
    }
    #qna .inner button {
        margin-top: 2rem;
    }
    #other .header {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }
    #other .header h2 {
        text-align: center;
    }
    #other .header .buttons {
        margin-left: 0;
    }
    #other ul {
        margin-top: 5rem;
        gap: 1.6rem;
    }
    #other li {
        font-weight: 500;
        font-size: 1.4rem;
        background-position: left 2rem center;
        background-size: 16px 16px;
    }
    #other li > a {
        padding: 1.4rem 2rem 1.5rem 4.4rem;
        height: auto;
    }
}
@media (max-width: 550px) {
    #features .inner > ul {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 480px) {
    #developers a {
        margin: 3rem -16px 0;
    }
    #security ul.security-list {
        margin: 3rem -16px;
    }
}