* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Section 1 - Hero */
.section1 {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 500px;
    overflow: hidden;
}

.section1 .bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

/* ==================== Header / GNB ==================== */
.header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10;
}

.header-inner {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 18px 50px;
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo {
    height: 48px;
}

/* Navigation */
.nav {
    margin-left: auto;
    margin-right: 40px;
    width: 100%;
    display: flex;
    justify-content: space-around;
}

.nav-list {
    display: flex;
    list-style: none;
    width: 100%;
    justify-content: space-evenly;
}

.nav-list li a {
    color: #fff;
    text-decoration: none;
    font-size: 20px;
    font-weight: 500;
    letter-spacing: -0.3px;
    transition: opacity 0.2s;
}

.nav-list li a:hover {
    opacity: 0.75;
}

/* Contact Button - Gradient */
.btn-contact {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 32px;
    background: linear-gradient(90deg, #EE0F89, #0491E8);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 22px;
    letter-spacing: -0.2px;
    transition: opacity 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-contact:hover {
    opacity: 0.9;
}

/* Hamburger - PC에서 숨김 */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
    z-index: 20;
    margin-left: auto;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav - PC에서 숨김 */
.mobile-nav {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9;
    padding-top: 100px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.mobile-nav.open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav ul {
    list-style: none;
    text-align: center;
}

.mobile-nav ul li {
    margin-bottom: 28px;
}

.mobile-nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 22px;
    font-weight: 500;
    transition: opacity 0.2s;
}

.mobile-nav ul li a:hover {
    opacity: 0.75;
}

.btn-contact-mobile {
    display: inline-block;
    padding: 12px 36px;
    background: linear-gradient(90deg, #EE0F89, #0491E8);
    border-radius: 25px;
    font-weight: 600 !important;
    font-size: 18px !important;
    margin-top: 10px;
}

/* ==================== Hero Content ==================== */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-text {
    text-align: center;
    color: #fff;
}

.hero-text .line {
    font-size: 80px;
    font-weight: 800;
    letter-spacing: -1px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.hero-text .line .green {
    color: #00F6FF;
    font-weight: 900;
}

.hero-text .line .highlight {
    color: #00FF00;
    padding: 1px 14px 3px;
    border-radius: 4px;
    display: inline-block;
    text-shadow: none;
    font-weight: 900;
}

/* Badge */
.hero-badge {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 26px;
    background: linear-gradient(90deg, #EE0F89, #0491E8);
    color: #fff;
    font-size: 40px;
    font-weight: 700;
    border-radius: 5px;
    letter-spacing: 0.3px;
}

/* ==================== Section 2 - Company Overview ==================== */
.section2 {
    width: 100%;
    min-height: 100vh;
    background: url('../img/section2/section-2-background-images.png') center top / cover no-repeat;
    padding: 50px 0;
    display: flex;
    align-items: center;
}

.section2-inner {
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
    padding: 0 50px;
    display: flex;
    gap: 60px;
}

/* Left Column */
.section2-left {
    flex: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 0;
    gap: 100px;
}

.section2-top {
    margin-bottom: 60px;
}

.since {
    display: inline-block;
    font-size: 36px;
    font-weight: 800;
    color: #1B569A;
    margin-bottom: 6px;
}

.company-name {
    font-size: 64px;
    font-weight: 900;
    color: #222;
    letter-spacing: -2px;
    margin-bottom: 20px;
}

.company-desc {
    font-size: 56px;
    font-weight: 300;
    color: #555;
    letter-spacing: -0.5px;
}

.section2-bottom {
    margin-top: auto;
}

.slogan {
    font-size: 50px;
    font-weight: 500;
    color: #222;
    line-height: 1.45;
    letter-spacing: -1.5px;
}

.slogan .orange {
    color: #FF6505;
    font-weight: 700;
}

.slogan .blue {
    color: #0078E9;
    font-weight: 700;
}

/* Right Column */
.section2-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-width: 0;
}

/* Company Info Table */
.company-info {
    width: 100%;
}

.info-row {
    display: flex;
    padding: 14px 0;
}


.info-row dt {
    width: 100px;
    flex-shrink: 0;
    font-size: 22px;
    font-weight: 600;
    color: #555;
    padding-right: 20px;
}

.info-row dd {
    font-size: 24px;
    font-weight: 400;
    color: #333;
}

/* ==================== Section 3 - Overview Slide ==================== */
.section3 {
    width: 100%;
    height: 100vh;
    display: flex;
    position: relative;
    overflow: hidden;
}

/* ---- 좌측 ---- */
.s3-left {
    width: 50%;
    background: #f2f2f2;
    position: relative;
    flex-shrink: 0;
}

.s3-title-wrap {
    position: absolute;
    top: 70px;
    left: max(50px, calc((100vw - 1600px) / 2 + 50px));
    z-index: 5;
}

.s3-title {
    font-size: 56px;
    font-weight: 900;
    color: #111;
    letter-spacing: -1px;
}

/* 이미지1 뷰포트 (좌측 상단) */
.s3-img1-viewport {
    position: absolute;
    top: 160px;
    left: max(50px, calc((100vw - 1600px) / 2 + 50px));
    width: 35%;
    height: 48%;
    overflow: hidden;
    z-index: 1;
    max-width: 382px;
}

.s3-img1-track {
    height: 300%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 이미지2 뷰포트 (우측, 아래로 엇갈림) */
.s3-img2-viewport {
    position: absolute;
    top: 26%;
    right: 5%;
    width: 35%;
    height: 48%;
    overflow: hidden;
    z-index: 2;
    max-width: 382px;
}

.s3-img2-track {
    height: 300%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 이미지 아이템 */
.s3-img-item {
    width: 100%;
    height: 33.333%;
}

.s3-img-item img {
    width: 100%;
    object-fit: cover;
    display: block;
}

/* ---- 네비게이션 ---- */
.s3-nav {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    gap: 16px;
    z-index: 10;
}

.s3-arrow {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1.5px solid #bbb;
    background: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s, background 0.2s;
}

.s3-arrow:hover {
    border-color: #333;
    background: #f5f5f5;
}

/* ---- 우측 ---- */
.s3-right {
    flex: 1;
    background: #fff;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Circle decoration */
.s3-circle {
    position: absolute;
    top: -40px;
    right: -40px;
    width: 420px;
    z-index: 0;
    opacity: 1;
}

.s3-circle img {
    width: 100%;
    height: auto;
}

/* 텍스트 가로 슬라이드 */
.s3-text-viewport {
    width: 100%;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.s3-text-track {
    display: flex;
    width: 300%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.s3-text-slide {
    width: 33.333%;
    flex-shrink: 0;
    padding: 70px max(50px, calc((100vw - 1600px) / 2 + 50px)) 70px 100px;
}

.s3-slide-title {
    font-size: 72px;
    font-weight: 900;
    color: #1a1a4e;
    letter-spacing: -1px;
    margin-bottom: 8px;
}

.s3-slide-subtitle {
    font-size: 30px;
    font-weight: 500;
    color: #2a2a6e;
    margin-bottom: 30px;
    letter-spacing: -0.5px;
}

.s3-slide-desc {
    margin-bottom: 36px;
}

.s3-slide-desc p {
    font-size: 15px;
    font-weight: 400;
    color: #333;
    line-height: 1.75;
}

.s3-slide-desc p strong {
    font-weight: 700;
}

/* Tags */
.s3-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.s3-tag {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid #bbb;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    color: #444;
    background: transparent;
}

/* ==================== Section 4 - Client ==================== */
.section4 {
    background: #7EC8E3;
    padding: 80px 0 100px;
    overflow: hidden;
}

.s4-header {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 50px;
    display: flex;
    align-items: baseline;
    gap: 28px;
    margin-bottom: 50px;
}

.s4-title {
    font-size: 64px;
    font-weight: 900;
    color: #fff;
    letter-spacing: -1px;
    flex-shrink: 0;
}

.s4-subtitle {
    font-size: 20px;
    font-weight: 400;
    color: #fff;
    letter-spacing: -0.3px;
}

/* Slider Rows */
.s4-row {
    overflow: hidden;
    width: 100%;
}

.s4-row1 {
    margin-bottom: 24px;
}

.s4-track {
    display: flex;
    gap: 24px;
    width: max-content;
}

/* Row 1: 왼쪽으로 스크롤 */
.s4-row1 .s4-track {
    animation: s4-scroll-left 40s linear infinite;
}

/* Row 2: 오른쪽으로 스크롤 (엇갈림) */
.s4-row2 .s4-track {
    animation: s4-scroll-right 40s linear infinite;
}

/* Cards */
.s4-card {
    flex-shrink: 0;
    width: 220px;
    height: 110px;
    background: #fff;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.s4-card img {
    max-width: 80%;
    max-height: 65%;
    object-fit: contain;
}

/* Keyframes */
@keyframes s4-scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-50% - 12px));
    }
}

@keyframes s4-scroll-right {
    0% {
        transform: translateX(calc(-50% - 12px));
    }
    100% {
        transform: translateX(0);
    }
}

/* ==================== Section 5 - Business ==================== */
.section5 {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background: #0d1b2a url('../img/section5/section-5-background-images.png') center center / cover no-repeat;
    display: flex;
    align-items: center;
}

.s5-inner {
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
    padding: 80px 50px;
}

.s5-text {
    margin-bottom: 50px;
}

.s5-title {
    font-size: 70px;
    font-weight: 900;
    color: #fff;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.s5-desc {
    font-size: 44px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
    letter-spacing: -0.5px;
}

.s5-desc.s5-bold {
    font-weight: 700;
    color: #fff;
}

/* Cards Grid */
.s5-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding-top: 70px;
}

.s5-card {
    background: rgba(25, 35, 55, 0.35);
    border-radius: 20px;
    padding: 40px 30px 36px;
    text-align: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: visible;
}

.s5-card-img {
    width: 300px;
    height: auto;
    margin: -100px auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.s5-card-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.s5-card-title {
    font-size: 34px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.s5-card-desc p {
    font-size: 20px;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    line-height: 1.85;
}

/* ==================== Responsive ==================== */

/* 태블릿 (1024px ~ 1279px) */
@media (max-width: 1279px) {
    /* GNB */
    .header-inner {
        padding: 16px 30px;
    }

    .logo {
        height: 42px;
    }

    .nav {
        margin-right: 24px;
    }

    .nav-list li a {
        font-size: 16px;
    }

    .btn-contact {
        height: 40px;
        padding: 0 26px;
        font-size: 14px;
    }

    /* Section 1 */
    .hero-text .line {
        font-size: 60px;
    }

    .hero-badge {
        font-size: 28px;
        padding: 8px 22px;
    }

    /* Section 2 */
    .section2-inner {
        padding: 0 30px;
        gap: 40px;
    }

    .section2-left {
        gap: 60px;
    }

    .since {
        font-size: 28px;
    }

    .company-name {
        font-size: 48px;
    }

    .company-desc {
        font-size: 40px;
    }

    .section2-top {
        margin-bottom: 40px;
    }

    .slogan {
        font-size: 38px;
    }

    .info-row dt {
        font-size: 18px;
    }

    .info-row dd {
        font-size: 18px;
    }

    /* Section 3 */
    .s3-title {
        font-size: 44px;
    }

    .s3-title-wrap {
        top: 50px;
        left: 30px;
    }

    .s3-img1-viewport {
        top: 130px;
        left: 30px;
        width: 38%;
        max-width: 300px;
    }

    .s3-img2-viewport {
        width: 38%;
        max-width: 300px;
    }

    .s3-text-slide {
        padding: 50px 40px 50px 70px;
    }

    .s3-slide-title {
        font-size: 54px;
    }

    .s3-slide-subtitle {
        font-size: 24px;
        margin-bottom: 24px;
    }

    .s3-slide-desc p {
        font-size: 14px;
    }

    .s3-tag {
        padding: 7px 16px;
        font-size: 13px;
    }

    .s3-circle {
        width: 300px;
        top: -30px;
        right: -30px;
    }

    .s3-arrow {
        width: 42px;
        height: 42px;
    }

    /* Section 4 */
    .s4-header {
        padding: 0 30px;
        gap: 20px;
        margin-bottom: 40px;
    }

    .s4-title {
        font-size: 50px;
    }

    .s4-subtitle {
        font-size: 17px;
    }

    .s4-card {
        width: 190px;
        height: 95px;
        border-radius: 14px;
    }

    .s4-track {
        gap: 20px;
    }

    .s4-row1 {
        margin-bottom: 20px;
    }

    .section4 {
        padding: 60px 0 80px;
    }

    /* Section 5 */
    .s5-inner {
        padding: 60px 30px;
    }

    .s5-title {
        font-size: 54px;
    }

    .s5-desc {
        font-size: 34px;
    }

    .s5-text {
        margin-bottom: 40px;
    }

    .s5-cards {
        gap: 20px;
        padding-top: 60px;
    }

    .s5-card {
        padding: 32px 24px 30px;
        border-radius: 16px;
    }

    .s5-card-img {
        width: 180px;
        height: 160px;
        margin: -60px auto 20px;
    }

    .s5-card-title {
        font-size: 26px;
        margin-bottom: 16px;
    }

    .s5-card-desc p {
        font-size: 16px;
    }
}

/* 작은 태블릿 (768px ~ 1023px) */
@media (max-width: 1023px) {
    /* GNB */
    .header-inner {
        padding: 14px 24px;
    }

    .logo {
        height: 38px;
    }

    .nav {
        margin-right: 20px;
    }

    .nav-list li a {
        font-size: 14px;
    }

    .btn-contact {
        height: 38px;
        padding: 0 22px;
        font-size: 13px;
        border-radius: 19px;
    }

    /* Section 1 */
    .hero-text .line {
        font-size: 48px;
    }

    .hero-badge {
        font-size: 22px;
        padding: 8px 20px;
    }

    /* Section 2 */
    .section2 {
        min-height: auto;
        padding: 60px 0;
    }

    .section2-inner {
        flex-direction: column;
        padding: 0 24px;
    }

    .section2-left {
        gap: 40px;
    }

    .section2-top {
        margin-bottom: 30px;
    }

    .since {
        font-size: 24px;
    }

    .company-name {
        font-size: 40px;
    }

    .company-desc {
        font-size: 32px;
    }

    .slogan {
        font-size: 30px;
    }

    .info-row dt {
        font-size: 16px;
    }

    .info-row dd {
        font-size: 16px;
    }

    /* Section 3 */
    .section3 {
        flex-direction: column;
        height: auto;
    }

    .s3-left {
        width: 100%;
        height: 400px;
    }

    .s3-right {
        width: 100%;
    }

    .s3-nav {
        left: 50%;
        top: auto;
        bottom: 20px;
        transform: translateX(-50%);
        flex-direction: row;
    }

    .s3-title {
        font-size: 38px;
    }

    .s3-title-wrap {
        left: 24px;
        top: 30px;
    }

    .s3-img1-viewport {
        top: 100px;
        left: 24px;
        width: 40%;
        height: 55%;
        max-width: 280px;
    }

    .s3-img2-viewport {
        top: 22%;
        right: 8%;
        width: 40%;
        height: 55%;
        max-width: 280px;
    }

    .s3-text-slide {
        padding: 40px 24px;
    }

    .s3-slide-title {
        font-size: 44px;
    }

    .s3-slide-subtitle {
        font-size: 22px;
        margin-bottom: 20px;
    }

    .s3-slide-desc p {
        font-size: 14px;
    }

    .s3-tag {
        padding: 6px 14px;
        font-size: 13px;
    }

    .s3-circle {
        width: 240px;
        top: -20px;
        right: -20px;
    }

    .s3-arrow {
        width: 40px;
        height: 40px;
    }

    /* Section 4 */
    .section4 {
        padding: 50px 0 70px;
    }

    .s4-header {
        padding: 0 24px;
        gap: 16px;
        margin-bottom: 36px;
    }

    .s4-title {
        font-size: 42px;
    }

    .s4-subtitle {
        font-size: 16px;
    }

    .s4-card {
        width: 170px;
        height: 85px;
        border-radius: 12px;
    }

    .s4-track {
        gap: 16px;
    }

    .s4-row1 {
        margin-bottom: 16px;
    }

    /* Section 5 */
    .s5-inner {
        padding: 50px 24px;
    }

    .s5-title {
        font-size: 44px;
    }

    .s5-desc {
        font-size: 28px;
    }

    .s5-text {
        margin-bottom: 36px;
    }

    .s5-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
        padding-top: 50px;
    }

    .s5-card {
        padding: 28px 16px 24px;
        border-radius: 14px;
    }

    .s5-card-img {
        width: 150px;
        height: 140px;
        margin: -50px auto 16px;
    }

    .s5-card-title {
        font-size: 22px;
        margin-bottom: 14px;
    }

    .s5-card-desc p {
        font-size: 15px;
    }
}

/* 모바일 (767px 이하) */
@media (max-width: 767px) {
    /* Section 1 */
    .section1 {
        min-height: 400px;
    }

    .header-inner {
        padding: 14px 20px;
    }

    .logo {
        height: 34px;
    }

    .nav {
        display: none;
    }

    .btn-contact {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .mobile-nav {
        display: block;
    }

    .hero-text .line {
        font-size: 32px;
    }

    .hero-badge {
        font-size: 16px;
        padding: 8px 18px;
        margin-top: 16px;
    }

    /* Section 2 */
    .section2 {
        min-height: auto;
        padding: 50px 0;
    }

    .section2-inner {
        padding: 0 20px;
    }

    .section2-left {
        gap: 30px;
    }

    .section2-top {
        margin-bottom: 20px;
    }

    .since {
        font-size: 20px;
    }

    .company-name {
        font-size: 32px;
        margin-bottom: 14px;
    }

    .company-desc {
        font-size: 24px;
    }

    .slogan {
        font-size: 24px;
    }

    .info-row dt {
        font-size: 14px;
    }

    .info-row dd {
        font-size: 14px;
    }

    /* Section 3 */
    .s3-left {
        height: 320px;
    }

    .s3-title {
        font-size: 28px;
    }

    .s3-title-wrap {
        left: 20px;
        top: 24px;
    }

    .s3-img1-viewport {
        top: 80px;
        left: 20px;
        width: 42%;
        height: 55%;
        max-width: 220px;
    }

    .s3-img2-viewport {
        top: 20%;
        right: 8%;
        width: 42%;
        height: 55%;
        max-width: 220px;
    }

    .s3-nav {
        bottom: 12px;
        gap: 10px;
    }

    .s3-arrow {
        width: 36px;
        height: 36px;
    }

    .s3-arrow svg {
        width: 14px;
        height: 8px;
    }

    .s3-text-slide {
        padding: 30px 20px;
    }

    .s3-slide-title {
        font-size: 32px;
    }

    .s3-slide-subtitle {
        font-size: 18px;
        margin-bottom: 16px;
    }

    .s3-slide-desc {
        margin-bottom: 24px;
    }

    .s3-slide-desc p {
        font-size: 13px;
        line-height: 1.65;
    }

    .s3-tag {
        padding: 6px 14px;
        font-size: 12px;
    }

    .s3-tags {
        gap: 8px;
    }

    .s3-circle {
        width: 160px;
        top: -16px;
        right: -16px;
    }

    /* Section 4 */
    .section4 {
        padding: 40px 0 60px;
    }

    .s4-header {
        padding: 0 20px;
        flex-direction: column;
        gap: 8px;
        margin-bottom: 30px;
    }

    .s4-title {
        font-size: 36px;
    }

    .s4-subtitle {
        font-size: 14px;
    }

    .s4-card {
        width: 160px;
        height: 80px;
        border-radius: 12px;
    }

    .s4-track {
        gap: 14px;
    }

    .s4-row1 {
        margin-bottom: 14px;
    }

    /* Section 5 */
    .section5 {
        min-height: auto;
    }

    .s5-inner {
        padding: 50px 20px;
    }

    .s5-title {
        font-size: 36px;
    }

    .s5-desc {
        font-size: 22px;
    }

    .s5-text {
        margin-bottom: 30px;
    }

    .s5-cards {
        grid-template-columns: 1fr;
        gap: 40px;
        padding-top: 50px;
    }

    .s5-card {
        padding: 30px 24px 28px;
        border-radius: 16px;
    }

    .s5-card-img {
        width: 160px;
        height: 150px;
        margin: -50px auto 16px;
    }

    .s5-card-title {
        font-size: 22px;
        margin-bottom: 14px;
    }

    .s5-card-desc p {
        font-size: 16px;
    }
}

/* 작은 모바일 (480px 이하) */
@media (max-width: 480px) {
    .header-inner {
        padding: 12px 16px;
    }

    .logo {
        height: 30px;
    }

    .hero-text .line {
        font-size: 24px;
    }

    .hero-badge {
        font-size: 14px;
        padding: 6px 16px;
    }

    /* Section 2 */
    .since {
        font-size: 18px;
    }

    .company-name {
        font-size: 26px;
    }

    .company-desc {
        font-size: 20px;
    }

    .slogan {
        font-size: 20px;
    }

    .info-row dt {
        font-size: 13px;
    }

    .info-row dd {
        font-size: 13px;
    }

    /* Section 3 */
    .s3-left {
        height: 240px;
    }

    .s3-title {
        font-size: 24px;
    }

    .s3-title-wrap {
        left: 16px;
        top: 18px;
    }

    .s3-img1-viewport {
        top: 64px;
        left: 16px;
        width: 42%;
        height: 58%;
        max-width: 170px;
    }

    .s3-img2-viewport {
        top: 18%;
        right: 6%;
        width: 42%;
        height: 58%;
        max-width: 170px;
    }

    .s3-nav {
        bottom: 8px;
        gap: 8px;
    }

    .s3-arrow {
        width: 32px;
        height: 32px;
    }

    .s3-text-slide {
        padding: 24px 16px;
    }

    .s3-slide-title {
        font-size: 26px;
        margin-bottom: 4px;
    }

    .s3-slide-subtitle {
        font-size: 15px;
        margin-bottom: 14px;
    }

    .s3-slide-desc {
        margin-bottom: 20px;
    }

    .s3-slide-desc p {
        font-size: 12px;
        line-height: 1.6;
    }

    .s3-tag {
        padding: 5px 12px;
        font-size: 11px;
    }

    .s3-tags {
        gap: 6px;
    }

    .s3-circle {
        width: 120px;
        top: -12px;
        right: -12px;
    }

    /* Section 4 */
    .section4 {
        padding: 36px 0 50px;
    }

    .s4-header {
        padding: 0 16px;
        margin-bottom: 24px;
    }

    .s4-title {
        font-size: 30px;
    }

    .s4-subtitle {
        font-size: 13px;
    }

    .s4-card {
        width: 140px;
        height: 70px;
        border-radius: 10px;
    }

    .s4-track {
        gap: 12px;
    }

    .s4-row1 {
        margin-bottom: 12px;
    }

    /* Section 5 */
    .s5-inner {
        padding: 40px 16px;
    }

    .s5-title {
        font-size: 30px;
    }

    .s5-desc {
        font-size: 18px;
    }

    .s5-text {
        margin-bottom: 24px;
    }

    .s5-cards {
        gap: 36px;
        padding-top: 44px;
    }

    .s5-card {
        padding: 24px 20px 22px;
        border-radius: 14px;
    }

    .s5-card-img {
        width: 130px;
        height: 120px;
        margin: -44px auto 14px;
    }

    .s5-card-title {
        font-size: 20px;
        margin-bottom: 12px;
    }

    .s5-card-desc p {
        font-size: 14px;
    }
}