/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-video-background video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%) scale(1.3);
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.6));
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-text {
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 32px;
    opacity: 0.9;
    line-height: 1.6;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    padding: 16px 32px;
    background: #ff6b6b;
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
}

.cta-button:hover {
    background: #ff5252;
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(255, 107, 107, 0.4);
}

.cta-button.large {
    padding: 20px 40px;
    font-size: 1.2rem;
}

/* Attention Economy Section */
.attention-economy {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.attention-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.attention-text {
    max-width: 600px;
}

.attention-badge {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b6b, #ffa726);
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 24px;
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.attention-economy h2 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 40px;
    color: #1a1a1a;
    line-height: 1.2;
}

.key-points {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.point {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 28px;
    border-radius: 16px;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.point.highlight {
    background: rgba(59, 130, 246, 0.08);
    border-left-color: #3b82f6;
}

.point.breakthrough {
    background: rgba(16, 185, 129, 0.08);
    border-left-color: #10b981;
}

.point.opportunity {
    background: rgba(245, 101, 101, 0.08);
    border-left-color: #f56565;
}

.point:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.point-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.point-content {
    flex: 1;
    font-size: 1.1rem;
    line-height: 1.6;
    color: #1a1a1a;
}

.point-content strong {
    font-weight: 600;
    color: #1a1a1a;
}

.emphasis {
    background: linear-gradient(135deg, #ff6b6b, #ffa726);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1.15rem;
}

.attention-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 480px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    background: #000;
}

.video-container video {
    width: 100%;
    height: auto;
    display: block;
}

.video-container.vertical {
    aspect-ratio: 9/16;
    max-width: 350px;
    width: 100%;
}

.video-container.vertical video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.benefit-item {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.benefit-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.benefit-item p {
    color: #64748b;
}

/* Problem Section */
.problem {
    padding: 100px 0;
    background: white;
}

.problem-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.problem h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: #1a1a1a;
}

.problem p {
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 40px;
    line-height: 1.6;
}

.problem-list {
    list-style: none;
    text-align: left;
    max-width: 500px;
    margin: 0 auto;
}

.problem-list li {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: #ef4444;
    font-weight: 500;
}

/* Solution Section */
.solution {
    padding: 100px 0;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 50%, #f8fafc 100%);
    position: relative;
}

.solution::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(16, 185, 129, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.solution-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.solution h2 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: #1a1a1a;
    background: linear-gradient(135deg, #1a1a1a 0%, #374151 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.solution-description {
    font-size: 1.25rem;
    color: #475569;
    margin-bottom: 60px;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.solution-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 24px;
    text-align: left;
    margin-top: 60px;
}

.benefit {
    background: white;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.benefit::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.benefit:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    border-color: rgba(102, 126, 234, 0.2);
}

.benefit:hover::before {
    transform: scaleY(1);
}

.benefit:nth-child(odd) {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.02) 0%, white 100%);
}

.benefit:nth-child(even) {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.02) 0%, white 100%);
}

.benefit-content {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
}

.benefit-content .check {
    align-self: flex-start;
    margin-bottom: 8px;
}

.check {
    margin-right: 16px;
    font-size: 1.4rem;
    flex-shrink: 0;
    background: linear-gradient(135deg, #10b981, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 1px 2px rgba(16, 185, 129, 0.2));
}

.benefit strong {
    color: #1e293b;
    font-weight: 600;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 6px;
}

.benefit p {
    display: block;
    font-size: 1rem;
    line-height: 1.6;
    color: #475569;
    margin: 0;
}

/* Contents Section */
.contents {
    padding: 100px 0;
    background: white;
}

.contents h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #1a1a1a;
}

.contents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.content-card {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 30px;
    transition: all 0.3s ease;
    position: relative;
}

.content-card:hover {
    border-color: #667eea;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.1);
}

.card-number {
    display: inline-block;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.content-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.content-card p {
    color: #64748b;
    line-height: 1.6;
}

/* Purchase Section */
.purchase {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

.purchase-content {
    display: flex;
    justify-content: center;
}

.price-card {
    background: white;
    border-radius: 20px;
    padding: 50px;
    max-width: 500px;
    width: 100%;
    text-align: center;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.price-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.price-subtitle {
    color: #64748b;
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.price-section {
    margin-bottom: 40px;
    position: relative;
}

.original-price {
    font-size: 1.2rem;
    text-decoration: line-through;
    color: #94a3b8;
    margin-bottom: 8px;
}

.current-price {
    margin-bottom: 16px;
}

.price-amount {
    font-size: 3rem;
    font-weight: 700;
    color: #ff6b6b;
}

.price-label {
    display: block;
    font-size: 0.9rem;
    color: #64748b;
    margin-top: 4px;
}

.price-section .price-vat {
    font-size: 1.8rem;
    font-weight: 500;
    color: #64748b;
    margin-top: 8px;
    text-align: center;
    display: block;
}

.discount-badge {
    display: inline-block;
    background: #22c55e;
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
}

.price-includes {
    text-align: left;
    margin-bottom: 40px;
}

.price-includes h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.price-includes ul {
    list-style: none;
}

.price-includes li {
    margin-bottom: 12px;
    font-size: 1rem;
    color: #1a1a1a;
}

.guarantee {
    font-size: 0.9rem;
    color: #64748b;
    margin-top: 20px;
}

/* Footer */
.footer {
    padding: 40px 0;
    background: #1a1a1a;
    color: white;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        padding: 0 20px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contents-grid {
        grid-template-columns: 1fr;
    }
    
    .price-card {
        padding: 30px 20px;
        margin: 0 20px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .attention-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .attention-text {
        max-width: 100%;
        order: 1;
    }
    
    .attention-visual {
        order: 2;
    }
    
    .attention-economy h2,
    .problem h2,
    .solution h2,
    .contents h2 {
        font-size: 2rem;
    }
    
    .point {
        padding: 20px;
        gap: 16px;
    }
    
    .point-number {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
    
    .point-content {
        font-size: 1rem;
    }
    
    .emphasis {
        font-size: 1.1rem;
    }
    
    .video-container {
        max-width: 380px;
    }
    
    .problem p,
    .solution-description {
        font-size: 1.1rem;
    }
    
    .solution-benefits {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .benefit {
        padding: 24px 20px;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 80vh;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .attention-economy h2 {
        font-size: 1.8rem;
    }
    
    .attention-badge {
        font-size: 0.9rem;
        padding: 10px 20px;
    }
    
    .key-points {
        gap: 24px;
    }
    
    .point {
        padding: 16px;
    }
    
    .point-number {
        width: 28px;
        height: 28px;
        font-size: 0.85rem;
    }
    
    .video-container {
        max-width: 320px;
    }
    
    .video-caption {
        padding: 15px;
        font-size: 0.85rem;
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
    
    .cta-button {
        padding: 14px 28px;
        font-size: 1rem;
    }
    
    .cta-button.large {
        padding: 16px 32px;
        font-size: 1.1rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Animation for elements coming into view */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.benefit-item,
.content-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Video background responsive */
.hero-video-background {
    aspect-ratio: unset;
}

@media (max-width: 480px) {
    .hero-overlay {
        background: linear-gradient(135deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7));
    }
}