/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基本スタイル */
body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    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: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.logo h1 {
    color: #2E8B57;
    font-size: 1.5rem;
    font-weight: bold;
}

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #2E8B57;
}

/* ハンバーガーメニュー（モバイル用） */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* メインビジュアル */
.hero {
    background: linear-gradient(135deg, #2E8B57 0%, #48D1CC 100%);
    color: #FFFFFF;
    text-align: center;
    padding: 150px 0 100px;
    margin-top: 80px;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: bold;
    color: #FFFFFF;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    color: #FFFFFF;
}

.cta-button {
    display: inline-block;
    background-color: #FF8C00;
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: #FF7F00;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 140, 0, 0.4);
}

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

section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2E8B57;
}

/* 会社概要 */
.about {
    background-color: #f8f9fa;
}

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

.about-text h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2E8B57;
}

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

.about-text ul {
    list-style: none;
    padding-left: 0;
}

.about-text li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.company-info {
    margin-top: 1.5rem;
}

.company-info dt {
    font-weight: bold;
    color: #2E8B57;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    padding: 0.5rem 0;
    border-bottom: 2px solid #2E8B57;
    display: inline-block;
    min-width: 100px;
}

.company-info dd {
    margin: 0 0 1rem 1.5rem;
    padding: 0.5rem 0;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .company-info {
        border-left: 2px solid #2E8B57;
        padding-left: 1.5rem;
        margin-left: 120px;
        position: relative;
    }
    
    .company-info dt {
        border-bottom: none;
        border-right: none;
        padding-right: 1rem;
        margin: 0;
        text-align: right;
        font-weight: bold;
        position: absolute;
        left: -135px;
        width: 115px;
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }
    
    .company-info dd {
        margin: 0;
        padding: 0.5rem 0;
        padding-left: 0;
        margin-left: 0;
        border-left: none;
    }
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* サービス */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.service-card h3 {
    color: #2E8B57;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-card p {
    line-height: 1.7;
}

.service-link {
    display: inline-block;
    margin-top: 1rem;
    color: #2E8B57;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.service-link:hover {
    color: #228B22;
    text-decoration: underline;
}

/* お問い合わせ */
.contact {
    background-color: #f8f9fa;
}

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

.contact-info h3 {
    color: #2E8B57;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.contact-info p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.contact-message {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.contact-message h3 {
    color: #2E8B57;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.contact-message p {
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-methods {
    display: grid;
    gap: 1.5rem;
}

.contact-method {
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #2E8B57;
}

.contact-method h4 {
    color: #2E8B57;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-detail {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: #333;
}

.contact-detail a {
    color: #2E8B57;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-detail a:hover {
    color: #228B22;
    text-decoration: underline;
}

.contact-note {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

/* フッター */
.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 50px 0;
    }
    
    section h2 {
        font-size: 2rem;
    }
}

/* スムーススクロール */
html {
    scroll-behavior: smooth;
}