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

body {
    font-family: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

header {
    background-color: #fff;
    color: #333;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.navbar {
    padding: 0;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #2c3e50;
}

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

.nav-menu a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #e74c3c;
}

.hero {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://img1.baidu.com/it/u=3496410989,947483376&fm=253&fmt=auto&app=138&f=JPEG?w=889&h=500') center/cover;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.5rem;
}

.about {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

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

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.menu {
    padding: 80px 0;
}

.menu h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #3498db, #9b59b6, #e74c3c);
    transform: translateX(-50%);
    z-index: 1;
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    display: flex;
    align-items: flex-start;
    z-index: 2;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    flex: 1;
    background-color: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    margin: 0 30px;
    max-width: 400px;
}

.timeline-title {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #2c3e50;
    font-weight: bold;
}

.timeline-item:nth-child(1) .timeline-title {
    color: #3498db;
}

.timeline-item:nth-child(2) .timeline-title {
    color: #9b59b6;
}

.timeline-item:nth-child(3) .timeline-title {
    color: #e74c3c;
}

.timeline-item:nth-child(4) .timeline-title {
    color: #f39c12;
}

.timeline-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.timeline-image {
    margin-top: 15px;
    border-radius: 8px;
    overflow: hidden;
}

.timeline-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.timeline-time {
    width: 100px;
    height: 60px;
    border-radius: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    position: relative;
    z-index: 3;
}

.timeline-item:nth-child(1) .timeline-time {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

.timeline-item:nth-child(2) .timeline-time {
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
}

.timeline-item:nth-child(3) .timeline-time {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.timeline-item:nth-child(4) .timeline-time {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}


.contact {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-content > p {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.contact-info {
    background-color: #fff;
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.contact-info p {
    font-size: 1.2rem;
    color: #2c3e50;
}

#email-display {
    color: #e74c3c;
    font-weight: bold;
}


footer {
    background-color: #fff;
    color: #333;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
    color: #2c3e50;
}

.footer-section p {
    line-height: 1.8;
    color: #666;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: #e74c3c;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #ddd;
    color: #666;
}

@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 40px;
    }

    .timeline-item {
        flex-direction: row !important;
        padding-left: 80px;
    }

    .timeline-content {
        margin: 0;
        max-width: 100%;
    }

    .timeline-time {
        position: absolute;
        left: 0;
        width: 80px;
        height: 50px;
        font-size: 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}