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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Header */
.header {
    background-color: #000;
    color: #fff;
    padding: 10px 20px;
    text-align: center;
    font-size: 14px;
}

.header-text {
    margin: 0;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 20px 40px;
    background-image: url('../images/GokkoMainVisual.webp');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center 20%;
    position: relative;
    min-height: 400px;
    height: calc(100vw * 0.3);
    max-height: 600px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.7);
    z-index: 1;
}

.hero > * {
    position: relative;
    z-index: 2;
}

.logo {
    font-size: 64px;
    font-weight: 700;
    letter-spacing: 0;
    margin-bottom: 10px;
    color: #333;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    font-family: 'Arial Black', Arial, sans-serif;
    display: inline-block;
    white-space: nowrap;
}

.bounce-letter {
    display: inline-block;
    animation: bounce 2s ease-in-out infinite;
    transform-origin: bottom;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

.ar-glasses-container {
    margin: 30px auto;
    max-width: 400px;
}

.ar-glasses-placeholder {
    width: 100%;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.ar-glasses-image {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    border-radius: 10px;
    object-fit: contain;
}

.hero-buttons {
    margin: 30px 0;
}

.btn-primary {
    background-color: #fff;
    border: 1px solid #333;
    padding: 12px 40px;
    font-size: 16px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #333;
    color: #fff;
}

.hero-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.hero-links span {
    color: #333;
    font-size: 16px;
    font-weight: 600;
    cursor: default;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 4px 12px;
    border-radius: 0;
    border-left: 4px solid #e74c3c;
    text-shadow: none;
    position: relative;
}

.hero-links span::before {
    content: '✓';
    color: #e74c3c;
    font-weight: bold;
    margin-right: 8px;
}

/* Momotaro Section */
.momotaro-section {
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 40px;
    align-items: center;
}

.momotaro-image-placeholder {
    flex: 1;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    order: 1;
}

.momotaro-image {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    border-radius: 10px;
    object-fit: contain;
    aspect-ratio: 16/9;
}

.momotaro-content {
    flex: 1;
    order: 2;
}

.momotaro-title {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
}

.momotaro-content h2 {
    font-size: 28px;
    margin-bottom: 20px;
}

.momotaro-description {
    line-height: 1.8;
    color: #555;
}

/* Stamp Rally Section */
.stamp-rally {
    background-color: #f8f8f8;
    padding: 60px 20px;
}

.stamp-rally-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 40px;
    align-items: center;
}

.stamp-content {
    flex: 1;
}

.stamp-rally h2 {
    font-size: 28px;
    margin-bottom: 30px;
    text-align: left;
}

.stamp-description {
    line-height: 1.8;
    color: #555;
    text-align: left;
}

.stamp-images {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.stamp-image-placeholder {
    flex: 1;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.stamp-image {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    border-radius: 10px;
    object-fit: contain;
    aspect-ratio: 16/9;
}

/* Award Section */
.award-section {
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 40px;
    align-items: center;
}

.award-image-placeholder {
    flex: 1;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    order: 1;
}

.award-image {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    border-radius: 10px;
    object-fit: contain;
    aspect-ratio: 16/9;
}

.award-content {
    flex: 1;
    order: 2;
}

.award-content h2 {
    font-size: 24px;
    margin-bottom: 20px;
}

.award-content p {
    line-height: 1.8;
    color: #555;
}

/* Pricing Section */
.pricing {
    background-color: #f8f8f8;
    padding: 60px 20px;
    text-align: center;
}

.pricing h2 {
    font-size: 28px;
    margin-bottom: 40px;
}

.pricing-card {
    background-color: #fffea0;
    border-radius: 10px;
    padding: 30px;
    max-width: 500px;
    margin: 0 auto 30px;
    overflow: hidden;
}

.pricing-card h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.pricing-card ul {
    list-style: none;
    text-align: center;
    margin: 0 auto 20px;
    max-width: 300px;
}

.pricing-card li {
    margin-bottom: 10px;
    color: #555;
}

.pricing-note {
    font-size: 14px;
    color: #666;
    margin: 20px 0;
}

.pricing-details {
    margin-top: 30px;
}

.pricing-details h4 {
    font-size: 18px;
    color: #e74c3c;
    margin-bottom: 20px;
}

.pricing-line {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.original-price {
    text-decoration: line-through;
    color: #999;
    font-size: 20px;
    white-space: nowrap;
}

.arrow {
    font-size: 24px;
    color: #e74c3c;
    flex-shrink: 0;
}

.sale-price {
    font-size: 32px;
    color: #e74c3c;
    font-weight: bold;
    white-space: nowrap;
}

.original-game {
    background-color: #e0e0e0;
    border-radius: 10px;
    padding: 30px;
    max-width: 500px;
    margin: 0 auto 30px;
}

.original-game h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.original-game p {
    font-size: 24px;
    color: #333;
}

.pricing-footer {
    font-size: 14px;
    color: #666;
    margin: 30px 0 10px;
}

.contact-note {
    font-size: 14px;
    color: #555;
    margin-bottom: 30px;
    line-height: 1.8;
}

.btn-email {
    background-color: #fff;
    border: 2px solid #333;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-email:hover {
    background-color: #333;
    color: #fff;
}

/* Collaboration Section */
.collaboration-section {
    background-color: #fff;
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid #eee;
}

.collaboration-section p {
    margin: 0 0 20px 0;
    font-size: 14px;
    color: #333;
}

.footer-logo {
    margin: 20px 0;
}

.tokyo-dome-logo-placeholder {
    width: 200px;
    height: 80px;
    background-image: url('../images/EnxrossLogo.webp');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    margin: 0 auto;
    border-radius: 5px;
}

/* Footer */
.footer {
    background-color: #000;
    color: #fff;
    padding: 30px 20px;
    text-align: center;
}

.footer p {
    margin: 10px 0;
    font-size: 14px;
}

.footer a {
    color: #fff;
    text-decoration: none;
    border-bottom: 1px solid #fff;
    transition: opacity 0.3s ease;
}

.footer a:hover {
    opacity: 0.7;
}

.copyright {
    margin-top: 20px;
    font-size: 12px;
    color: #999;
}

/* Large screens */
@media (min-width: 1200px) {
    .hero {
        padding: 120px 20px 60px;
        min-height: 500px;
    }
    
    .logo {
        font-size: 72px;
        margin-bottom: 30px;
    }
    
    .hero-buttons {
        margin: 40px 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        min-height: 300px;
        height: auto;
        padding: 30px 20px;
    }
    
    .logo {
        font-size: min(48px, 13vw);
    }
    
    .momotaro-section,
    .award-section {
        flex-direction: column;
    }
    
    .momotaro-image-placeholder,
    .award-image-placeholder {
        width: 100%;
        max-width: 400px;
        margin: 0 auto 30px;
        flex: none;
        height: 250px;
        order: 2;
    }
    
    .momotaro-content,
    .award-content {
        order: 1;
        margin-bottom: 20px;
    }
    
    .stamp-rally-container {
        flex-direction: column;
    }
    
    .stamp-content {
        margin-bottom: 30px;
    }
    
    .stamp-rally h2 {
        text-align: center;
    }
    
    .stamp-description {
        text-align: center;
    }
    
    .stamp-images {
        flex-wrap: wrap;
        gap: 20px;
        justify-content: center;
        min-height: auto;
        width: 100%;
    }
    
    .stamp-image-placeholder {
        width: 100%;
        max-width: 400px;
        height: 250px;
        margin: 0 auto;
        flex: none;
    }
    
    .stamp-image {
        max-width: 100%;
        max-height: 100%;
        width: auto;
        height: auto;
        border-radius: 10px;
        object-fit: contain;
    }
    
    .pricing-card,
    .original-game {
        margin: 0 auto 30px;
        max-width: calc(100% - 20px);
    }
    
    .pricing-line {
        gap: 10px;
    }
    
    .original-price {
        font-size: 18px;
    }
    
    .arrow {
        font-size: 20px;
    }
    
    .sale-price {
        font-size: 28px;
    }
    
    .hero-links {
        flex-direction: row;
        gap: 5px;
        justify-content: center;
        flex-wrap: nowrap;
    }
    
    .hero-links span {
        font-size: 12px;
        padding: 4px 8px;
        white-space: nowrap;
        flex-shrink: 1;
    }
}

@media (max-width: 480px) {
    .header {
        font-size: 12px;
        padding: 8px 15px;
    }
    
    .hero {
        padding: 30px 15px;
        min-height: 250px;
        height: auto;
    }
    
    .logo {
        font-size: min(36px, 15vw);
        margin-bottom: 20px;
    }
    
    .hero-buttons {
        margin: 20px 0;
    }
    
    .momotaro-section,
    .stamp-rally,
    .award-section,
    .pricing {
        padding: 40px 15px;
    }
    
    .momotaro-content h2,
    .stamp-rally h2,
    .pricing h2 {
        font-size: 24px;
    }
    
    .award-content h2 {
        font-size: 20px;
    }
    
    .pricing-card {
        padding: 20px 15px;
        margin: 0 auto 30px;
        max-width: calc(100% - 30px);
    }
    
    .pricing-line {
        flex-direction: column;
        gap: 15px;
    }
    
    .original-price {
        font-size: 16px;
    }
    
    .sale-price {
        font-size: 24px;
    }
    
    .original-game {
        margin: 0 auto 30px;
        max-width: calc(100% - 30px);
    }
    
    /* 画像が小さい画面でも表示されるように明示的に設定 */
    .ar-glasses-placeholder,
    .momotaro-image-placeholder,
    .award-image-placeholder,
    .stamp-image-placeholder,
    .tokyo-dome-logo-placeholder {
        display: block !important;
        visibility: visible !important;
    }
    
    .stamp-images {
        display: flex !important;
    }
    
    .momotaro-image-placeholder,
    .award-image-placeholder {
        height: 200px;
        margin: 0 auto 20px;
        order: 2;
    }
    
    .momotaro-content,
    .award-content {
        order: 1;
    }
    
    .ar-glasses-image,
    .momotaro-image,
    .award-image {
        max-width: 100%;
        max-height: 100%;
        width: auto;
        height: auto;
        border-radius: 10px;
        object-fit: contain;
    }
    
    .stamp-rally-container {
        flex-direction: column;
    }
    
    .stamp-content {
        margin-bottom: 20px;
    }
    
    .stamp-rally h2 {
        text-align: center;
        font-size: 24px;
    }
    
    .stamp-description {
        text-align: center;
    }
    
    .stamp-images {
        flex-wrap: wrap;
        gap: 15px;
        justify-content: center;
        min-height: auto;
        width: 100%;
    }
    
    .stamp-image-placeholder {
        width: 100%;
        max-width: 400px;
        height: 200px;
        margin: 0 auto 20px;
        flex: none;
    }
    
    .stamp-image {
        max-width: 100%;
        max-height: 100%;
        width: auto;
        height: auto;
        border-radius: 10px;
        object-fit: contain;
    }
}