/* ========================================
   基本設定
   ======================================== */
:root {
    --primary-color: #2c5f2d;
    --primary-dark: #1a3a1b;
    --primary-light: #4a8f4c;
    --secondary-color: #ff6b35;
    --accent-color: #ffd23f;
    --text-dark: #333333;
    --text-light: #666666;
    --text-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 5px 20px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

/* ========================================
   ヘッダー
   ======================================== */
/* ========================================
   ヘッダー・ナビゲーション
   ======================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.main-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    min-height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.logo i {
    font-size: 1.5rem;
}

.main-nav {
    display: flex;
    gap: 5px;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    position: relative;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
    border-radius: 5px;
}

.nav-link i.fa-chevron-down {
    font-size: 0.7rem;
    transition: var(--transition);
}

.nav-item:hover .nav-link i.fa-chevron-down {
    transform: rotate(180deg);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(44, 95, 45, 0.1);
}

.nav-link-simple {
    padding: 8px 12px;
}

/* ドロップダウンメニュー */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 280px;
    background: var(--bg-white);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    border-radius: 10px;
    padding: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1000;
    margin-top: 5px;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    color: var(--text-dark);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
}

.dropdown-link:hover,
.dropdown-link.active {
    background: rgba(44, 95, 45, 0.1);
}

.dropdown-link i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 3px;
}

.dropdown-link strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 3px;
    color: var(--text-dark);
}

.dropdown-link p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin: 0;
}

/* 企業の方へボタン */
.btn-business {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--primary-color);
    color: var(--text-white);
    text-decoration: none;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
    margin-left: 8px;
}

.btn-business:hover {
    background: #1a3a1b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(44, 95, 45, 0.3);
}

.btn-business i {
    font-size: 1rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

/* ========================================
   ヒーローセクション
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><path d="M0,300 Q300,100 600,300 T1200,300 L1200,600 L0,600 Z" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: cover;
    background-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
}

.hero-content {
    position: relative;
    text-align: center;
    color: var(--text-white);
    z-index: 2;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
    line-height: 1.8;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: var(--text-white);
    font-size: 24px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ========================================
   ボタン
   ======================================== */
.btn {
    display: inline-block;
    padding: 14px 35px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--text-white);
}

.btn-primary:hover {
    background: #e55a2b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-white);
}

.btn-secondary:hover {
    background: var(--text-white);
    color: var(--primary-color);
}

.btn-light {
    background: var(--text-white);
    color: var(--primary-color);
}

.btn-light:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-white);
}

.btn-outline-light:hover {
    background: var(--text-white);
    color: var(--primary-color);
}

.btn-large {
    padding: 16px 45px;
    font-size: 18px;
}

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

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

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ========================================
   甲佐町について
   ======================================== */
.about-section {
    background: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.about-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.about-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 36px;
}

.about-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.about-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* ========================================
   統計セクション
   ======================================== */
.stats-section {
    background: var(--primary-color);
    color: var(--text-white);
}

.stats-section .section-title {
    color: var(--text-white);
}

.stats-section .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.stat-card {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.stat-label {
    font-size: 18px;
    opacity: 0.9;
}

/* ========================================
   移住支援
   ======================================== */
.migration-section {
    background: var(--bg-white);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.support-card {
    background: var(--bg-light);
    padding: 40px 30px;
    border-radius: 15px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.support-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.support-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-color);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 32px;
    margin-bottom: 20px;
}

.support-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.support-list {
    list-style: none;
    margin-bottom: 25px;
}

.support-list li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-light);
}

.support-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.support-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.support-link:hover {
    gap: 12px;
}

/* ========================================
   企業誘致
   ======================================== */
.business-section {
    background: var(--bg-light);
}

.business-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
}

.business-intro h3 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.business-intro p {
    font-size: 18px;
    color: var(--text-light);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.business-card {
    background: var(--bg-white);
    padding: 35px 30px;
    border-radius: 15px;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.business-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.business-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
}

.business-card h4 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.business-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.incentive-section {
    background: var(--bg-white);
    padding: 50px;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.incentive-section h3 {
    font-size: 28px;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-dark);
}

.incentive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.incentive-item {
    text-align: center;
}

.incentive-item i {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-color), #ff8c5f);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 28px;
    margin-bottom: 15px;
}

.incentive-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.incentive-item p {
    color: var(--text-light);
    font-size: 15px;
}

/* ========================================
   暮らし情報
   ======================================== */
.life-section {
    background: var(--bg-white);
}

.life-tabs {
    max-width: 900px;
    margin: 0 auto;
}

.tab-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.tab-btn {
    padding: 12px 30px;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-dark);
}

.tab-btn:hover {
    background: var(--primary-light);
    color: var(--text-white);
    border-color: var(--primary-light);
}

.tab-btn.active {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
}

.tab-pane {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.life-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.life-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--bg-light);
    border-radius: 15px;
    transition: var(--transition);
}

.life-item:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-5px);
}

.life-item i {
    font-size: 42px;
    color: var(--primary-color);
    margin-bottom: 15px;
    transition: var(--transition);
}

.life-item:hover i {
    color: var(--text-white);
}

.life-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

.life-item p {
    font-size: 14px;
    line-height: 1.6;
}

.life-item:hover h4,
.life-item:hover p {
    color: var(--text-white);
}

/* ========================================
   お客様の声
   ======================================== */
.testimonial-section {
    background: var(--bg-light);
}

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

.testimonial-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.testimonial-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 25px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.testimonial-author strong {
    color: var(--text-dark);
    font-size: 18px;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 14px;
}

/* ========================================
   お問い合わせ
   ======================================== */
.contact-section {
    background: var(--bg-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.contact-item p {
    color: var(--text-light);
    line-height: 1.7;
}

.contact-form {
    position: relative;
}

.form-group {
    margin-bottom: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    font-family: 'Noto Sans JP', sans-serif;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 38px;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 35px;
    opacity: 0.95;
}

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

/* ========================================
   フッター
   ======================================== */
.footer {
    background: #222;
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--text-white);
    margin-bottom: 20px;
    font-size: 18px;
}

.footer-section p {
    line-height: 1.8;
    margin-bottom: 15px;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--text-white);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--text-white);
}

/* ========================================
   レスポンシブデザイン
   ======================================== */
@media (max-width: 768px) {
    .header-content {
        padding: 8px 0;
        min-height: 60px;
    }
    
    .main-nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
        transform: translateY(-200%);
        transition: var(--transition);
        max-height: calc(100vh - 60px);
        overflow-y: auto;
        align-items: stretch;
    }
    
    .main-nav.active {
        transform: translateY(0);
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        width: 100%;
        justify-content: space-between;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        margin-top: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        padding: 0;
    }
    
    .nav-item.active .dropdown-menu {
        max-height: 500px;
        padding: 10px;
    }
    
    .nav-link-simple {
        width: 100%;
    }
    
    .btn-business {
        width: 100%;
        justify-content: center;
        margin: 10px 0 0 0;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 32px;
    }

    .about-grid,
    .support-grid,
    .business-grid,
    .testimonial-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .cta-content h2 {
        font-size: 28px;
    }

    .cta-content p {
        font-size: 16px;
    }

    .stat-number {
        font-size: 36px;
    }

    .incentive-section {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .section {
        padding: 50px 0;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .section-title {
        font-size: 26px;
    }

    .btn {
        padding: 12px 25px;
        font-size: 14px;
    }

    .tab-buttons {
        gap: 8px;
    }

    .tab-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}