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

/* 変数定義 */
:root {
    /* プロフェッショナルカラーパレット */
    --primary-green: #1a4b2b;
    --secondary-green: #2d5e3a;
    --accent-green: #4a7c59;
    --light-green: #6b8f71;
    --earth-brown: #704214;
    --light-brown: #8b5a2b;
    --cream: #fafaf7;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --medium-gray: #555555;
    --dark-gray: #2c2c2c;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    /* フォントサイズ（高齢者向けに大きめ） */
    --font-size-small: 16px;
    --font-size-medium: 18px;
    --font-size-large: 20px;
    --font-size-xl: 24px;
    --font-size-xxl: 32px;
    --font-size-hero: 48px;
    
    /* スペーシング */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    
    /* シャドウ */
    --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-strong: 0 8px 16px rgba(0, 0, 0, 0.2);
}

/* 基本設定 */
body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.7;
    color: var(--dark-gray);
    background-color: var(--white);
    font-size: var(--font-size-medium);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ヘッダー */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 20px var(--shadow-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: box-shadow 0.3s ease;
    min-height: 60px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    min-height: 60px;
}

.logo h1 {
    font-size: var(--font-size-xxl);
    color: var(--primary-green);
    font-weight: 700;
    margin-bottom: 4px;
}

.tagline {
    font-size: var(--font-size-small);
    color: var(--medium-gray);
    margin: 0;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--dark-gray);
    font-size: var(--font-size-medium);
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 0;
    transition: all 0.3s ease;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-link:hover {
    color: var(--primary-green);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 3px;
    background-color: var(--primary-green);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 100%;
}

/* ヒーローセクション */
.hero {
    margin-top: 60px;
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--white) 0%, var(--cream) 100%);
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23f0f0f0" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23f0f0f0" opacity="0.1"/><circle cx="50" cy="10" r="1" fill="%23f0f0f0" opacity="0.1"/><circle cx="10" cy="50" r="1" fill="%23f0f0f0" opacity="0.1"/><circle cx="90" cy="30" r="1" fill="%23f0f0f0" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    z-index: 1;
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.hero-title {
    font-size: var(--font-size-hero);
    color: var(--primary-green);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--medium-gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.hero-image {
    position: relative;
    overflow: hidden;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 0;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.hero-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--primary-green) 0%, transparent 50%);
    opacity: 0.1;
    z-index: 1;
}

/* ボタン */
.btn {
    display: inline-block;
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 0;
    font-size: var(--font-size-large);
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background-color: var(--primary-green);
    color: var(--white);
    border-color: var(--primary-green);
}

.btn-primary:hover {
    background-color: var(--secondary-green);
    border-color: var(--secondary-green);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(26, 75, 43, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-green);
    border-color: var(--primary-green);
}

.btn-secondary:hover {
    background-color: var(--primary-green);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(26, 75, 43, 0.3);
}

.btn-full {
    width: 100%;
}

/* セクション共通 */
section {
    padding: var(--spacing-xxl) 0;
    scroll-margin-top: 80px;
}

.section-title {
    font-size: var(--font-size-xxl);
    color: var(--primary-green);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-weight: 700;
}

/* 会社概要 */
.about {
    background-color: var(--white);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.about-subtitle {
    font-size: var(--font-size-xl);
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.about-description {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-item {
    background-color: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: 0;
    box-shadow: none;
    border-left: 4px solid var(--primary-green);
    transition: all 0.3s ease;
}

.feature-item:hover {
    background-color: var(--cream);
    transform: translateX(4px);
}

.feature-item h4 {
    font-size: var(--font-size-large);
    color: var(--primary-green);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.feature-item p {
    font-size: var(--font-size-medium);
    color: var(--medium-gray);
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow-medium);
}

/* サービス */
.services {
    background-color: var(--light-gray);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: 0;
    text-align: center;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-green));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-green);
}

.service-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    color: var(--primary-green);
}

.service-title {
    font-size: var(--font-size-xl);
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.service-description {
    font-size: var(--font-size-medium);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.service-features {
    list-style: none;
    text-align: left;
}

.service-features li {
    font-size: var(--font-size-medium);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid #ddd;
}

.service-features li:before {
    content: "✓ ";
    color: var(--secondary-green);
    font-weight: bold;
}

/* 実績 */
.results {
    background-color: var(--light-gray);
    position: relative;
}

.results::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.results-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
}

.stat-item {
    text-align: center;
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: 0;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
    position: relative;
    transition: all 0.3s ease;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-green));
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-large);
    color: var(--medium-gray);
    font-weight: 600;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.result-card {
    background-color: var(--white);
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-green));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.result-card:hover::before {
    transform: scaleX(1);
}

.result-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-green);
}

.result-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.result-content {
    padding: var(--spacing-md);
}

.result-content h3 {
    font-size: var(--font-size-large);
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.result-content p {
    font-size: var(--font-size-medium);
    color: var(--medium-gray);
    line-height: 1.6;
}

/* お問い合わせ */
.contact {
    background-color: var(--white);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
}

.contact-info h3 {
    font-size: var(--font-size-xl);
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.contact-info p {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-method {
    background-color: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: 0;
    box-shadow: none;
    border-left: 4px solid var(--primary-green);
    transition: all 0.3s ease;
}

.contact-method:hover {
    background-color: var(--cream);
    transform: translateX(4px);
}

.contact-method h4 {
    font-size: var(--font-size-large);
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.phone-number {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    color: var(--earth-brown);
    margin-bottom: var(--spacing-xs);
}

.contact-hours {
    font-size: var(--font-size-medium);
    color: var(--medium-gray);
}

/* フォーム */
.contact-form {
    background-color: var(--light-gray);
    padding: var(--spacing-xl);
    border-radius: 0;
    box-shadow: none;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: var(--font-size-medium);
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-medium);
    border: 1px solid var(--border-color);
    border-radius: 0;
    transition: all 0.3s ease;
    background-color: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(26, 75, 43, 0.1);
    background-color: var(--white);
}

/* フッター */
.footer {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
    color: var(--white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.footer-section p {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    font-size: var(--font-size-medium);
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-green);
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--secondary-green);
    font-size: var(--font-size-medium);
}

/* レスポンシブデザイン */
@media (max-width: 1024px) {
    .hero-content {
        gap: var(--spacing-lg);
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .results-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    /* モバイル時のセクション調整 */
    section {
        scroll-margin-top: 70px;
    }
    
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 0 var(--spacing-md);
        position: relative;
    }
    
    .logo {
        flex-shrink: 0;
    }
    
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }
    
    .nav-list {
        display: none; /* 初期状態は非表示 */
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
        border-bottom: 1px solid var(--border-color);
        text-align: left;
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .hero {
        margin-top: 60px;
        min-height: 70vh;
        padding: var(--spacing-lg) 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
        padding-top: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: var(--font-size-xxl);
    }
    
    .hero-buttons {
        gap: var(--spacing-md);
        max-width: 400px;
        margin: 0 auto;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .results-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .results-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .mobile-menu-button {
        display: flex;
    }
    
    .mobile-menu-open {
        display: flex !important;
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        margin-top: 60px;
        padding: var(--spacing-md) 0;
    }
    
    .hero-content {
        padding-top: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: var(--font-size-xl);
    }
    
    .hero-description {
        font-size: var(--font-size-large);
    }
    
    .hero-buttons {
        gap: var(--spacing-sm);
    }
    
    .btn {
        min-height: 50px;
        font-size: var(--font-size-medium);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .section-title {
        font-size: var(--font-size-xl);
    }
    
    .service-card {
        padding: var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .nav-link {
        padding: var(--spacing-sm);
        font-size: var(--font-size-small);
    }
    
    .mobile-menu-button {
        display: flex;
    }
}

/* アクセシビリティ強化 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* モバイルメニュー */
.mobile-menu-button {
    display: none;
    background: none;
    border: 2px solid var(--primary-green);
    font-size: 18px;
    color: var(--primary-green);
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: all 0.3s ease;
    border-radius: 0;
    width: 40px;
    height: 40px;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 50%;
    right: var(--spacing-md);
    transform: translateY(-50%);
}

.mobile-menu-button:hover {
    color: var(--white);
    background-color: var(--primary-green);
}

.mobile-menu-open {
    display: flex !important;
    flex-direction: column;
}

/* プロフェッショナルなアニメーション効果 */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card,
.result-card,
.stat-item {
    animation: slideIn 0.6s ease-out;
}

.service-card:nth-child(2) {
    animation-delay: 0.1s;
}

.service-card:nth-child(3) {
    animation-delay: 0.2s;
}

/* ローディング時のアニメーション */
.hero-content {
    animation: slideIn 0.8s ease-out;
}

/* 高コントラストモード対応 */
@media (prefers-contrast: high) {
    :root {
        --primary-green: #000000;
        --secondary-green: #333333;
        --medium-gray: #000000;
        --dark-gray: #000000;
        --border-color: #000000;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
    
    .service-card,
    .result-card,
    .stat-item {
        border: 2px solid var(--dark-gray);
    }
}