/* Reset and Base Styles */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --light-gray: #f9fafb;
    --border-color: #e5e7eb;
    --white: #ffffff;
    --black: #000000;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-height: 70px;
    --container-width: 1200px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
}

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

html {
    font-size: 10px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR', 'Malgun Gothic', '맑은 고딕', sans-serif;
    font-size: 1.6rem;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Layout */
.inner {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1.5rem;
}

h1 { font-size: 3.6rem; }
h2 { font-size: 3.0rem; }
h3 { font-size: 2.4rem; }
h4 { font-size: 2.0rem; }
h5 { font-size: 1.8rem; }
h6 { font-size: 1.6rem; }

p {
    margin-bottom: 1.5rem;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--accent-color);
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

ul, ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

ul {
    list-style-type: disc;
}

ol {
    list-style-type: decimal;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 2.4rem;
    font-size: 1.6rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    min-width: 120px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-white {
    background: white;
    color: var(--primary-color);
    border: 2px solid transparent;
}

.btn-white:hover {
    background: transparent;
    color: white;
    border-color: white;
    transform: translateY(-3px);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
}

.logo a {
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    text-decoration: none;
}

.logo-sub {
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Navigation */
.gnb-list {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.gnblink {
    font-weight: 600;
    font-size: 1.6rem;
    color: var(--text-color);
    text-decoration: none;
    padding: 0.8rem 1.2rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.gnblink::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
    z-index: -1;
}

.gnblink:hover {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

/* Main Content */
#container {
    margin-top: var(--header-height);
    flex: 1;
}

/* Main Visual */
.main-visual {
    height: calc(100vh - var(--header-height));
    position: relative;
    overflow: hidden;
}

.slide-container {
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.slide.active {
    opacity: 1;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    color: white;
    max-width: 600px;
    padding: 3rem;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
}

.slide h2 {
    font-size: 4.8rem;
    margin-bottom: 2rem;
    color: white;
}

.slide p {
    font-size: 1.8rem;
    margin-bottom: 2.5rem;
}

/* Sections */
.section {
    padding: 8rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 5rem;
    position: relative;
    padding-bottom: 1.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 5rem 0 0;
    margin-top: auto;
}

.footer-top, .footer-bottom {
    padding: 3rem 0;
}

.footer-menu {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-menu a {
    color: white;
    opacity: 0.8;
}

.footer-menu a:hover {
    opacity: 1;
    text-decoration: underline;
}

.copyright {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 3rem;
    font-size: 1.4rem;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 1024px) {
    html {
        font-size: 9px;
    }
    
    .inner {
        padding: 0 15px;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 8px;
    }
    
    .gnb {
        display: none;
    }
    
    .btn-menu {
        display: block;
    }
}

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

/* Form Elements */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
textarea,
select {
    width: 100%;
    padding: 1rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--white);
    transition: var(--transition);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

textarea {
    min-height: 150px;
    resize: vertical;
}

/* Table */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
}

th, td {
    padding: 1.2rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--light-gray);
    font-weight: 600;
}

tr:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-accent { color: var(--accent-color); }
.bg-light { background-color: var(--light-gray); }
.bg-dark { background-color: var(--secondary-color); color: white; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: 1rem; }
.mb-1 { margin-bottom: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-3 { margin-bottom: 3rem; }
.pt-1 { padding-top: 1rem; }
.pb-1 { padding-bottom: 1rem; }
.pt-2 { padding-top: 2rem; }
.pb-2 { padding-bottom: 2rem; }
.pt-3 { padding-top: 3rem; }
.pb-3 { padding-bottom: 3rem; }
.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.align-items-center { align-items: center; }
.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: none;
    }
    
    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        font-weight: normal;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Mobile Menu */
.btn-menu {
    display: none;
    width: 40px;
    height: 30px;
    position: relative;
    z-index: 1001;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.btn-menu span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: var(--primary-color);
    border-radius: 3px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: var(--transition);
}

.btn-menu span:nth-child(1) {
    top: 0;
}

.btn-menu span:nth-child(2),
.btn-menu span:nth-child(3) {
    top: 50%;
    transform: translateY(-50%);
}

.btn-menu span:nth-child(4) {
    bottom: 0;
}

.btn-menu.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

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

.btn-menu.active span:nth-child(3) {
    transform: translateY(-50%) rotate(-45deg);
}

.btn-menu.active span:nth-child(4) {
    display: none;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .gnb {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100vh;
        background-color: white;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        padding: 8rem 2rem 2rem;
        transition: var(--transition);
        z-index: 1000;
        overflow-y: auto;
    }
    
    .gnb.active {
        right: 0;
    }
    
    .gnb-list {
        flex-direction: column;
        gap: 1rem;
    }
    
    .gnb-link {
        padding: 1.5rem 0;
        display: block;
        border-bottom: 1px solid var(--border-color);
    }
    
    .sub-menu {
        padding-left: 1.5rem;
        display: none;
    }
    
    .gnb-item.active .sub-menu {
        display: block;
    }
    
    .btn-menu {
        display: block;
    }
    
    .slide-content {
        left: 50%;
        transform: translate(-50%, -50%);
        width: 90%;
        text-align: center;
    }
    
    .slide h2 {
        font-size: 3.2rem;
    }
    
    .section {
        padding: 5rem 0;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .btn-print {
        display: none !important;
    }
    
    body {
        padding: 20px;
        font-size: 12pt;
    }
    
    .container {
        width: 100%;
        max-width: 100%;
        padding: 0;
    }
    
    a[href^="http"]::after {
        content: " (" attr(href) ")";
    }
    
    .no-print {
        display: none !important;
    }
}

button {
    cursor: pointer;
}

.inner {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 15px;
}

.section-title {
    font-size: 3.6rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.section-desc {
    font-size: 1.8rem;
    color: #666;
    margin-bottom: 4rem;
    line-height: 1.6;
}

.text-center {
    text-align: center;
}

.btn {
    display: inline-block;
    padding: 1.2rem 3rem;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #004494;
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background-color: transparent;
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 500;
}

.btn-link i {
    margin-left: 0.5rem;
    transition: var(--transition);
}

.btn-link:hover i {
    transform: translateX(5px);
}

/* Header */
#skip-nav a {
    position: absolute;
    left: -9999px;
    z-index: 9999;
    padding: 1em;
    background-color: var(--black);
    color: var(--white);
    opacity: 0;
}

#skip-nav a:focus {
    left: 0;
    opacity: 1;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo a {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-text {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.logo-sub {
    font-size: 1.2rem;
    color: var(--secondary-color);
    letter-spacing: 2px;
}

/* Navigation */
.gnb-list {
    display: flex;
    margin: 0 -2rem;
}

.gnb-item {
    position: relative;
    padding: 0 2rem;
}

.gnb-link {
    display: block;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--secondary-color);
    padding: 3rem 0;
    position: relative;
}

.gnb-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.gnb-item:hover .gnb-link::after {
    width: 100%;
}

.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--white);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 1.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
}

.gnb-item:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sub-menu a {
    display: block;
    padding: 1rem 2rem;
    font-size: 1.5rem;
    color: #555;
    transition: var(--transition);
}

.sub-menu a:hover {
    background-color: #f5f5f5;
    color: var(--primary-color);
    padding-left: 2.5rem;
}

/* Util */
.util {
    display: flex;
    align-items: center;
}

.btn-search {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-right: 1.5rem;
    transition: var(--transition);
}

.btn-search:hover {
    color: var(--primary-color);
}

.btn-menu {
    display: none;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.btn-menu span {
    display: block;
    position: absolute;
    width: 100%;
    height: 3px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.btn-menu span:nth-child(1) {
    top: 0;
}

.btn-menu span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.btn-menu span:nth-child(3) {
    bottom: 0;
}

/* Main Visual */
.main-visual {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-text {
    color: white;
}

.hero-title {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
}

.title-gradient {
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    transform: translateY(-2rem);
}

.floating-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
    color: white;
    transition: var(--transition);
    animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(2) {
    animation-delay: 2s;
}

.floating-card:nth-child(3) {
    animation-delay: 4s;
}

.floating-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.floating-card h4 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.floating-card p {
    font-size: 1.4rem;
    opacity: 0.8;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.slide-container {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
}

.slide.active {
    opacity: 1;
    z-index: 1;
}

.slide-content {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 15px;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.slide h2 {
    font-size: 5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    line-height: 1.3;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.slide p {
    font-size: 2.2rem;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease 0.3s forwards;
}

.btn-more {
    display: inline-block;
    padding: 1.5rem 4rem;
    background-color: var(--accent-color);
    color: var(--white);
    font-size: 1.8rem;
    font-weight: 600;
    border-radius: 4px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease 0.6s forwards;
    transition: var(--transition);
}

.btn-more:hover {
    background-color: #e65c00;
    transform: translateY(-5px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-prev,
.slide-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 2rem;
    z-index: 10;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.slide-prev {
    left: 30px;
}

.slide-next {
    right: 30px;
}

.slide-prev:hover,
.slide-next:hover {
    background-color: rgba(255, 255, 255, 0.4);
}

.pagination {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    z-index: 10;
}

.pagination span {
    display: block;
    width: 12px;
    height: 12px;
    margin: 0 5px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.pagination span.active {
    background-color: var(--white);
    transform: scale(1.2);
}

/* Greeting Section */
.greeting {
    padding: 10rem 0;
    background-color: var(--white);
}

.greeting .inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.greeting-content {
    flex: 1;
    padding-right: 5rem;
}

.greeting-image {
    flex: 1;
    text-align: right;
}

.greeting-image img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Business Section */
.business {
    padding: 10rem 0;
    background-color: var(--light-gray);
}

.business-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 5rem;
}

.business-item {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.business-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.business-item:hover::before {
    transform: scaleX(1);
}

.business-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.business-item .icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 2.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    color: white;
    transition: var(--transition);
}

.business-item:hover .icon {
    transform: scale(1.1) rotate(5deg);
}

.business-item h3 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.business-item p {
    color: #666;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

/* Products Section */
.products {
    padding: 10rem 0;
    background-color: var(--white);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    margin-top: 5rem;
}

.product-item {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.product-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-item:hover .product-image img {
    transform: scale(1.05);
}

.product-info {
    padding: 2.5rem;
}

.product-info h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.product-info p {
    color: var(--text-light);
    line-height: 1.6;
}

.product-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 4rem;
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    padding: 1.5rem 3rem;
    font-size: 1.8rem;
    font-weight: 600;
    color: #777;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active,
.tab-btn:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.product-slider {
    margin: 0 -1.5rem;
}

.product-item {
    padding: 0 1.5rem;
}

.product-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 2rem;
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.product-item:hover .product-overlay {
    opacity: 1;
}

.btn-view {
    padding: 1rem 2.5rem;
    background-color: var(--white);
    color: var(--primary-color);
    font-weight: 600;
    border-radius: 4px;
    transition: var(--transition);
}

.btn-view:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.product-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.product-info p {
    color: #666;
    line-height: 1.6;
}

/* Support Section */
.support {
    padding: 10rem 0;
    background-color: var(--light-gray);
}

.support .inner {
    display: flex;
    align-items: center;
}

.support-content {
    flex: 1;
    padding-right: 5rem;
}

.support-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.support-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 3rem 2rem;
    background-color: var(--white);
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.support-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.support-item i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.support-item span {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--secondary-color);
}

.support-image {
    flex: 1;
    text-align: right;
}

.support-image img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* News Section */
.news {
    padding: 10rem 0;
    background-color: var(--white);
}

.news .inner {
    display: flex;
    gap: 3rem;
}

.news-notice,
.news-gallery {
    flex: 1;
}

.news-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 3rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    position: relative;
}

.news-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100px;
    height: 2px;
    background-color: var(--primary-color);
}

.notice-list {
    margin-bottom: 3rem;
}

.notice-item {
    display: block;
    padding: 1.5rem 0;
    border-bottom: 1px dashed var(--border-color);
    transition: var(--transition);
}

.notice-item:hover {
    background-color: #f9f9f9;
    padding-left: 1rem;
}

.notice-category {
    display: inline-block;
    padding: 0.3rem 1rem;
    background-color: var(--primary-color);
    color: var(--white);
    font-size: 1.2rem;
    border-radius: 4px;
    margin-right: 1.5rem;
}

.notice-title {
    font-weight: 500;
    color: #555;
    margin-right: 1.5rem;
}

.notice-date {
    font-size: 1.4rem;
    color: #999;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.gallery-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-title {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    color: var(--white);
    font-weight: 500;
    text-align: center;
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    color: #999;
    font-size: 1.4rem;
    line-height: 1.8;
}

.footer-top {
    padding: 6rem 0 4rem;
    border-bottom: 1px solid #333;
}

.footer .inner {
    display: flex;
    justify-content: space-between;
}

.footer-info {
    flex: 2;
    padding-right: 5rem;
}

.footer-logo {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 2rem;
    letter-spacing: 1px;
}

.footer-menu {
    display: flex;
    margin: 2rem 0;
}

.footer-menu li {
    margin-right: 2rem;
    position: relative;
}

.footer-menu li:not(:last-child)::after {
    content: '|';
    position: absolute;
    right: -1.5rem;
    top: 0;
    color: #555;
}

.footer-menu a {
    color: #999;
    transition: var(--transition);
}

.footer-menu a:hover {
    color: var(--white);
    text-decoration: underline;
}

.footer-contacts {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.contact-item h4 {
    color: var(--white);
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 1rem;
}

.contact-item h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.contact-item p {
    margin-bottom: 0.5rem;
}

.footer-bottom {
    padding: 2.5rem 0;
    background-color: #111;
}

.footer-bottom .inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: #777;
    font-size: 1.3rem;
}

.family-site {
    position: relative;
}

.btn-family {
    display: flex;
    align-items: center;
    padding: 0.8rem 1.5rem;
    background-color: #333;
    color: #ccc;
    border-radius: 4px;
    font-size: 1.3rem;
    transition: var(--transition);
}

.btn-family i {
    margin-left: 0.5rem;
    font-size: 1rem;
    transition: var(--transition);
}

.family-site:hover .btn-family {
    background-color: var(--primary-color);
    color: var(--white);
}

.family-site:hover .btn-family i {
    transform: rotate(180deg);
}

.family-list {
    position: absolute;
    bottom: 100%;
    right: 0;
    width: 200px;
    background-color: var(--white);
    border-radius: 4px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.family-site:hover .family-list {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.family-list a {
    display: block;
    padding: 0.8rem 1.5rem;
    color: #555;
    transition: var(--transition);
}

.family-list a:hover {
    background-color: #f5f5f5;
    color: var(--primary-color);
    padding-left: 2rem;
}

/* Quick Menu */
.quick-menu {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.quick-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #333;
    color: var(--white);
    border-radius: 50%;
    font-size: 2rem;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.quick-item span {
    display: block;
    font-size: 1rem;
    margin-top: 0.3rem;
}

.quick-item:hover {
    background-color: var(--primary-color);
    transform: translateY(-5px);
}

.quick-item.top {
    background-color: var(--accent-color);
}

.quick-item.top:hover {
    background-color: #e65c00;
}

/* Responsive */
@media (max-width: 1200px) {
    .inner {
        padding: 0 3rem;
    }
    
    .section-title {
        font-size: 3.2rem;
    }
    
    .section-desc {
        font-size: 1.6rem;
    }
    
    .main-visual {
        height: 600px;
    }
    
    .slide h2 {
        font-size: 4.5rem;
    }
    
    .slide p {
        font-size: 2rem;
    }
}

@media (max-width: 992px) {
    .gnb {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100vh;
        background-color: var(--white);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        padding: 8rem 0 3rem;
        transition: var(--transition);
        z-index: 1000;
        overflow-y: auto;
    }
    
    .gnb.active {
        right: 0;
    }
    
    .gnb-list {
        flex-direction: column;
        margin: 0;
    }
    
    .gnb-item {
        padding: 0;
        border-bottom: 1px solid #eee;
    }
    
    .gnb-link {
        padding: 1.5rem 2rem;
        color: #333;
    }
    
    .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0;
        background-color: #f9f9f9;
        display: none;
    }
    
    .gnb-item.active .sub-menu {
        display: block;
    }
    
    .sub-menu a {
        padding: 1rem 3rem;
        color: #666;
    }
    
    .btn-menu {
        display: block;
    }
    
    .greeting .inner,
    .support .inner,
    .news .inner {
        flex-direction: column;
    }
    
    .greeting-content,
    .support-content {
        padding-right: 0;
        margin-bottom: 5rem;
    }
    
    .support-image {
        margin-top: 5rem;
        text-align: center;
    }
    
    .footer .inner {
        flex-direction: column;
    }
    
    .footer-info {
        padding-right: 0;
        margin-bottom: 5rem;
    }
    
    .footer-contacts {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .family-site {
        margin-top: 3rem;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2.8rem;
    }
    
    .main-visual {
        height: 500px;
        margin-top: 70px;
    }
    
    .slide h2 {
        font-size: 3.6rem;
    }
    
    .slide p {
        font-size: 1.8rem;
    }
    
    .btn-more {
        padding: 1.2rem 3rem;
        font-size: 1.6rem;
    }
    
    .business-list,
    .support-links {
        grid-template-columns: 1fr;
    }
    
    .news .inner {
        flex-direction: column;
    }
    
    .news-notice,
    .news-gallery {
        width: 100%;
    }
    
    .news-gallery {
        margin-top: 5rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-menu {
        right: 15px;
        bottom: 15px;
    }
    
    .quick-item {
        width: 50px;
        height: 50px;
        font-size: 1.8rem;
    }
    
    .quick-item span {
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .inner {
        padding: 0 2rem;
    }
    
    .section-title {
        font-size: 2.4rem;
    }
    
    .section-desc {
        font-size: 1.4rem;
        margin-bottom: 3rem;
    }
    
    .main-visual {
        height: 400px;
    }
    
    .slide h2 {
        font-size: 2.8rem;
    }
    
    .slide p {
        font-size: 1.6rem;
    }
    
    .btn {
        padding: 1rem 2rem;
        font-size: 1.4rem;
    }
    
    .tab-btn {
        padding: 1rem 1.5rem;
        font-size: 1.6rem;
    }
    
    .notice-item {
        display: flex;
        flex-direction: column;
    }
    
    .notice-category {
        align-self: flex-start;
        margin-bottom: 0.5rem;
    }
    
    .notice-title {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Utility Classes */
.mt-4 {
    margin-top: 4rem;
}

.mb-4 {
    margin-bottom: 4rem;
}

.text-center {
    text-align: center;
}

.hidden {
    display: none !important;
}

.btn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #2980b9;
}

.board-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
    background: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.board-table th, .board-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.board-table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
}

.board-table tr:hover {
    background-color: #f8f9fa;
}

.pagination {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.pagination a {
    color: #2c3e50;
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.pagination a.active, .pagination a:hover {
    background-color: #3498db;
    color: white;
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        padding: 1rem;
    }
    
    nav ul {
        margin-top: 1rem;
    }
    
    nav ul li {
        margin: 0 0.5rem;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .business-section, .features {
        grid-template-columns: 1fr;
    }
    
    .page-content {
        padding: 1rem;
    }
    
    .board-table {
        display: block;
        overflow-x: auto;
    }
}