/* ベース設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #3498db;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #3498db;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #2c3e50;
}

/* ヒーローセクション */
.hero {
    background: linear-gradient(135deg, #3498db, #2ecc71);
    color: white;
    text-align: center;
    padding: 100px 0;
    margin-bottom: 60px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-block;
    background-color: #fff;
    color: #3498db;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.secondary-button {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.secondary-button:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* セクション共通 */
section {
    padding: 80px 0;
}

.section-heading {
    text-align: center;
    margin-bottom: 60px;
}

.section-heading h2 {
    font-size: 2.2rem;
    color: #2c3e50;
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.section-heading h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #3498db;
}

/* ニュースセクション */
.news {
    background-color: #fff;
}

.news-container {
    max-width: 800px;
    margin: 0 auto;
}

.news-item {
    display: flex;
    margin-bottom: 20px;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.news-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.news-date {
    flex: 0 0 120px;
    color: #7f8c8d;
    font-weight: 500;
}

.news-content {
    flex: 1;
}

.news-content h3 {
    font-size: 1.1rem;
    color: #2c3e50;
    margin: 0;
}

.news-tag {
    display: inline-block;
    background-color: #e74c3c;
    color: white;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    margin-left: 10px;
    font-weight: normal;
}

/* サービスセクション */
.services {
    background-color: #f5f9fc;
}

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

.service-card {
    background-color: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.service-content {
    padding: 30px;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.new-badge {
    background-color: #e74c3c;
    color: white;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    margin-left: 10px;
    font-weight: normal;
    vertical-align: middle;
}

.service-description {
    margin-bottom: 25px;
    color: #555;
    line-height: 1.7;
}

.service-link {
    color: #3498db;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
    display: inline-flex;
    align-items: center;
}

.service-link i {
    margin-left: 5px;
    transition: transform 0.3s;
}

.service-link:hover {
    color: #2ecc71;
}

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

/* レスポンシブ設定 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: #fff;
        flex-direction: column;
        text-align: center;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: 0;
        padding: 15px;
        border-bottom: 1px solid #eee;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .news-item {
        flex-direction: column;
    }
    
    .news-date {
        margin-bottom: 10px;
    }
}