:root {
    --primary-color: #ff6b35;
    --primary-light: #ff8c5a;
    --primary-dark: #e85527;
    --secondary-color: #f4f4f4;
    --accent-color: #ffa726;
    --text-color: #333;
    --text-light: #666;
    --white: #fff;
    --gray-light: #f8f9fa;
    --gray-medium: #e9ecef;
    --gray-dark: #6c757d;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Hiragino Sans', 'ヒラギノ角ゴシック', 'Yu Gothic', '游ゴシック', 'Meiryo', 'メイリオ', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* プラン比較表 */
.plan-comparison {
    margin: 3rem 0;
}

.comparison-table-wrapper {
    overflow-x: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    background: var(--white);
    margin: 2rem 0;
}

.comparison-table {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
    border-spacing: 0;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid var(--gray-medium);
    vertical-align: top;
}

.comparison-table th {
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: bold;
    position: relative;
}

.comparison-table .feature-column {
    background-color: var(--gray-light);
    color: var(--text-color);
    text-align: left;
    width: 25%;
}

.comparison-table .recommended {
    background-color: var(--primary-dark);
}

.recommended-badge {
    display: inline-block;
    background: var(--accent-color);
    color: var(--white);
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    margin-left: 0.5rem;
    font-weight: normal;
}

.comparison-table td.feature-name {
    background-color: var(--gray-light);
    font-weight: bold;
    text-align: left;
    color: var(--text-color);
}

.comparison-table tbody tr:nth-child(even) td:not(.feature-name) {
    background-color: #fafafa;
}

.url-display {
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.url-note {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.4;
}

.tax-note {
    font-size: 0.85rem;
    color: var(--text-light);
}

.plan-note {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: normal;
}

.feature-yes {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.feature-no {
    color: var(--gray-dark);
    font-weight: bold;
    font-size: 1.2rem;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .comparison-table-wrapper {
        margin: 1rem -20px;
        border-radius: 0;
    }
    
    .comparison-table {
        min-width: 580px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem 0.5rem;
        font-size: 0.9rem;
    }
    
    .recommended-badge {
        display: block;
        margin: 0.25rem 0 0 0;
        font-size: 0.7rem;
    }
    
    .url-display {
        font-size: 0.85rem;
    }
    
    .url-note {
        font-size: 0.75rem;
    }
    
    .tax-note {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .comparison-table {
        min-width: 520px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 0.5rem 0.25rem;
        font-size: 0.85rem;
    }
    
    .feature-column {
        width: 30%;
    }
}

/* Floating Login Button */
.floating-login {
    position: fixed;
    top: 90px;
    right: 20px;
    z-index: 9999;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
    pointer-events: auto;
}

.floating-login-btn {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: var(--white);
    border: none;
    border-radius: 50px;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(52, 152, 219, 0.3);
    transition: all 0.3s ease;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.floating-login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(52, 152, 219, 0.4);
    background: linear-gradient(135deg, #5dade2, #3498db);
}

.floating-login-btn:active {
    transform: translateY(0);
}

.floating-login-icon {
    font-size: 16px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Article Content Styles */
.main-content {
    padding: 40px 0;
    background-color: var(--white);
}

.content-article {
    max-width: 800px;
    margin: 2rem auto;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 40px;
}

.article-header {
    text-align: center;
    margin-bottom: 40px;
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 20px;
}

.article-header h1 {
    font-size: 2.2rem;
    color: var(--text-color);
    margin-bottom: 10px;
    line-height: 1.3;
}

.article-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 500;
}

.article-content {
    line-height: 1.8;
}

.content-section {
    margin-bottom: 40px;
}

.content-section h2 {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-left: 15px;
    border-left: 4px solid var(--primary-color);
}

.content-section h3 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 15px;
}

.content-section p {
    margin-bottom: 15px;
}

.content-section ul,
.content-section ol {
    margin-bottom: 20px;
    padding-left: 25px;
}

.content-section li {
    margin-bottom: 8px;
}

.highlight-box {
    background: linear-gradient(135deg, #fff3e0, #ffecb3);
    border: 1px solid var(--accent-color);
    border-radius: var(--border-radius);
    padding: 25px;
    margin: 25px 0;
}

.highlight-box h3 {
    color: #f57c00;
    margin-bottom: 15px;
}

.seo-tips {
    display: grid;
    gap: 25px;
    margin: 30px 0;
}

.tip-item {
    background: var(--gray-light);
    border-radius: var(--border-radius);
    padding: 25px;
    border-left: 5px solid var(--primary-color);
}

.tip-item h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.content-quality-tips h3 {
    color: var(--primary-color);
    margin: 25px 0 15px 0;
}

.warning-box {
    background: linear-gradient(135deg, #ffebee, #ffcdd2);
    border: 1px solid #f44336;
    border-radius: var(--border-radius);
    padding: 25px;
    margin: 25px 0;
}

.warning-box h3 {
    color: #d32f2f;
    margin-bottom: 15px;
}

.long-term-strategy {
    background: var(--gray-light);
    border-radius: var(--border-radius);
    padding: 25px;
    margin: 25px 0;
}

.long-term-strategy h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.summary-box {
    background: linear-gradient(135deg, #e8f5e8, #c8e6c9);
    border: 1px solid #4caf50;
    border-radius: var(--border-radius);
    padding: 25px;
    margin: 25px 0;
}

.summary-box h3 {
    color: #388e3c;
    margin-bottom: 15px;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    margin: 30px 0;
}

.cta-box h3 {
    color: var(--white);
    margin-bottom: 15px;
}

.cta-box p {
    margin-bottom: 25px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: bold;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

@media (max-width: 768px) {
    .floating-login {
        top: 85px;
        right: 15px;
    }
    
    .floating-login-btn {
        padding: 10px 16px;
        font-size: 13px;
    }
    
    .content-article {
        margin: 20px;
        padding: 25px;
    }
    
    .article-header h1 {
        font-size: 1.8rem;
    }
    
    .content-section h2 {
        font-size: 1.4rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 10px;
    }
}

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--box-shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0.5rem 0;
}

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

.logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: bold;
    white-space: nowrap;
}

.logo h1 a {
    text-decoration: none;
    color: inherit;
}

.header-nav {
    display: flex;
    gap: 1rem;
}

.header-nav a,
.main-nav .nav-link {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    white-space: nowrap;
}

.header-nav a:hover,
.main-nav .nav-link:hover {
    color: var(--primary-color);
    background-color: var(--gray-light);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 0.2rem;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 3px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.main-nav .nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--gray-light) 0%, var(--white) 100%);
    padding: 8rem 0 4rem;
    margin-top: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.hero-badge {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 1.2rem;
    font-weight: bold;
    display: inline-block;
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: bold;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

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

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

.btn-secondary {
    background-color: var(--gray-medium);
    color: var(--text-color);
    border-color: var(--gray-medium);
}

.btn-secondary:hover {
    background-color: var(--gray-dark);
    color: var(--white);
    border-color: var(--gray-dark);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 300px;
}

.approval-circle {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
    animation: float 3s ease-in-out infinite;
}

.approval-text {
    color: var(--white);
    font-size: 1.2rem;
    font-weight: bold;
    text-align: center;
    line-height: 1.2;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* Sections */
.section-title {
    font-size: 2rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.intro {
    padding: 3rem 0;
    background-color: var(--white);
}

.intro-text {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.stats {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 0;
}

.stats-title {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

.categories {
    padding: 3rem 0;
    background-color: var(--gray-light);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.category-item {
    background: var(--white);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
    cursor: pointer;
}

.category-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    text-decoration: none;
    color: inherit;
}

.category-item h4 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.category-item:hover h4 {
    color: var(--primary-dark);
}

.category-count {
    color: var(--text-light);
    font-size: 0.9rem;
}

.features {
    padding: 4rem 0;
    background-color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    border: 2px solid var(--gray-medium);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-title {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-light);
    line-height: 1.7;
}

.benefits {
    padding: 3rem 0;
    margin-bottom:30px;
    background-color: var(--gray-light);
}

.benefits-title {
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 3rem;
}

.benefit-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.benefit-check {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.benefit-content h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.benefit-content p {
    color: var(--text-light);
    line-height: 1.8;
}

.auth-section {
    padding: 3rem 0;
    background-color: var(--white);
}

.auth-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.login-card,
.register-card {
    background: var(--gray-light);
    border: 2px solid var(--gray-medium);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
}

.login-card h3,
.register-card h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.course-info {
    margin: 1rem 0;
}

.course-info h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.support {
    padding: 3rem 0;
    background-color: var(--gray-light);
}

.support-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.support-item h4 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.browser-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 0.5rem;
}

.browser-item {
    background: var(--white);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    font-size: 0.9rem;
    border: 1px solid var(--gray-medium);
}

.support-links ul {
    list-style: none;
    columns: 2;
    column-gap: 2rem;
}

.support-links li {
    margin-bottom: 0.5rem;
    break-inside: avoid;
}

.support-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.support-links a:hover {
    color: var(--primary-color);
}

/* ページコンテンツ */
.page-content {
    padding: 5rem 0;
    background-color: var(--white);
    min-height: 60vh;
}

.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.content-wrapper h1 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 1rem;
}

.content-wrapper h2 {
    color: var(--text-color);
    font-size: 1.5rem;
    margin: 2rem 0 1rem 0;
    padding-left: 1rem;
    border-left: 4px solid var(--primary-color);
}

.content-wrapper p {
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

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

.content-wrapper a:hover {
    text-decoration: underline;
}

.footer {
    background-color: var(--text-color);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-toggle {
        display: flex;
    }

    
    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1.5rem;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        gap: 0;
        opacity: 0;
        transform: translateY(-20px);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-radius: 0 0 16px 16px;
        border-top: 3px solid var(--primary-color);
    }
    
    .nav-list.active {
        display: flex;
        opacity: 1;
        transform: translateY(0);
        outline: none;
        border: none;
    }
    
    .nav-link {
        padding: 1rem 1.5rem;
        border-radius: 8px;
        margin: 0.25rem 0;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        overflow: hidden;
    }
    
    .nav-link::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.1), transparent);
        transition: left 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .nav-link:hover::before {
        left: 100%;
    }
    
    .nav-link:hover {
        background: linear-gradient(135deg, rgba(255, 107, 53, 0.08) 0%, rgba(255, 140, 90, 0.05) 100%);
        transform: translateX(8px);
        box-shadow: 0 4px 15px rgba(255, 107, 53, 0.1);
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .auth-grid {
        grid-template-columns: 1fr;
    }
    
    .support-grid {
        grid-template-columns: 1fr;
    }
    
    .support-links ul {
        columns: 1;
    }
    
    .benefit-item {
        flex-direction: column;
        text-align: center;
    }
    
    .browser-list {
        grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    }
}

@media (max-width: 480px) {
    .hero-badge {
        font-size: 1rem;
        padding: 0.4rem 0.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .btn-large {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .approval-circle {
        width: 120px;
        height: 120px;
    }
    
    .approval-text {
        font-size: 1rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles */
a:focus,
button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.nav-toggle:focus {
    outline: none;
}

.nav-toggle:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Navigation Toggle Animation */
.nav-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-6px, 7px);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-6px, -7px);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

.nav-toggle:hover span {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    transform: scale(1.05);
}

/* Print styles */
@media print {
    .header,
    .nav-toggle,
    .hero-visual,
    .footer {
        display: none;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .section-title {
        font-size: 18pt;
    }
}

/* 404 Page Styles */
.not-found-container {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin: 4rem auto;
    max-width: 700px;
}

.not-found-container h2 {
    font-size: 6rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1;
}

.not-found-container h3 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.not-found-container p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.not-found-container .btn {
    margin-top: 1.5rem;
}
