/* =====================================
   CSS Variables
   ===================================== */
:root {
    /* Colors - 和モダンカラーパレット */
    --primary-color: #2d5016;        /* 深緑 */
    --primary-light: #4a7c2a;        /* 若草色 */
    --primary-dark: #1a3309;         /* 濃緑 */
    --secondary-color: #8b4513;      /* 茶色 */
    --accent-color: #d4af37;         /* 金色 */
    --accent-light: #f4e4b7;         /* 薄金色 */
    
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --text-white: #ffffff;
    
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-cream: #faf8f3;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    
    /* Typography */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-serif: 'Noto Serif JP', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* =====================================
   Reset & Base Styles
   ===================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    line-height: 1.7;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* =====================================
   Container & Layout
   ===================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.bg-light {
    background-color: var(--bg-cream);
}

/* =====================================
   Typography
   ===================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-md);
}

.lead {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
}

/* =====================================
   Header & Navigation
   ===================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-medium);
}

.navbar {
    padding: var(--spacing-sm) 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.logo i {
    font-size: 2rem;
    color: var(--primary-light);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-main {
    font-size: 1.5rem;
    letter-spacing: 0.05em;
}

.logo-sub {
    font-size: 0.75rem;
    font-family: var(--font-primary);
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: var(--bg-light);
}

.nav-link.btn-purchase {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
}

.nav-link.btn-purchase:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition-fast);
}

/* =====================================
   Hero Section
   ===================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2d5016 0%, #4a7c2a 100%);
    background-image: 
        url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="%232d5016"/><path d="M50 10 L60 30 L80 30 L65 45 L70 65 L50 50 L30 65 L35 45 L20 30 L40 30 Z" fill="%234a7c2a" opacity="0.1"/></svg>'),
        linear-gradient(135deg, #2d5016 0%, #4a7c2a 100%);
    background-size: 200px 200px, cover;
    background-position: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(74, 124, 42, 0.2) 0%, transparent 50%);
    animation: heroGlow 10s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.5; }
    100% { opacity: 1; }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--text-white);
    padding: var(--spacing-md);
}

.hero-title {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s backwards;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-white);
    font-size: 0.9rem;
    text-align: center;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-left: 2px solid var(--text-white);
    border-bottom: 2px solid var(--text-white);
    transform: rotate(-45deg);
    margin: 10px auto 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);
    }
}

/* =====================================
   Buttons
   ===================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition-medium);
    cursor: pointer;
}

.btn i {
    font-size: 1.1em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), #f4d03f);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    border: 2px solid var(--text-white);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.2rem;
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
    padding: 0.5rem 1rem;
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* =====================================
   About Section
   ===================================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.about-intro {
    margin-bottom: var(--spacing-md);
}

.about-intro p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.about-mission h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.mission-quote {
    border-left: 4px solid var(--accent-color);
    padding-left: var(--spacing-md);
    margin: var(--spacing-md) 0;
    font-style: italic;
    color: var(--text-secondary);
    background: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.about-facts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.fact-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    padding: var(--spacing-md);
    background: var(--bg-white);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-medium);
}

.fact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.fact-item i {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.fact-item strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--primary-color);
}

.fact-item p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.leadership {
    margin-top: var(--spacing-lg);
}

.leadership h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.leaders {
    display: flex;
    gap: var(--spacing-md);
}

.leader {
    flex: 1;
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: 8px;
}

.leader i {
    font-size: 3rem;
    color: var(--primary-light);
    margin-bottom: var(--spacing-sm);
}

.leader strong {
    display: block;
    color: var(--primary-color);
}

/* =====================================
   Technology Section
   ===================================== */
.tech-intro {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.tech-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-medium);
    border: 2px solid transparent;
}

.tech-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.tech-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--text-white);
}

.tech-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.tech-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--accent-light);
    color: var(--text-primary);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.tech-card p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.tech-features {
    text-align: left;
}

.tech-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.tech-features i {
    color: var(--primary-light);
}

.tech-process {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.tech-process h3 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-sm);
}

.process-item {
    text-align: center;
    position: relative;
}

.process-item::after {
    content: '';
    position: absolute;
    top: 35px;
    right: -8px;
    width: 16px;
    height: 2px;
    background: var(--primary-light);
}

.process-item:last-child::after {
    display: none;
}

.process-number {
    width: 50px;
    height: 50px;
    margin: 0 auto var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.process-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.process-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* =====================================
   Rice Types Section
   ===================================== */
.rice-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.rice-card {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-medium);
}

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

.rice-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.rice-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.rice-card:hover .rice-image img {
    transform: scale(1.1);
}

.rice-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--accent-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

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

.rice-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.rice-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.rice-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.4rem 0.8rem;
    background: var(--bg-cream);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.feature-tag i {
    color: var(--accent-color);
}

.purchase-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    padding: var(--spacing-xl);
    border-radius: 12px;
    text-align: center;
    color: var(--text-white);
}

.purchase-cta h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-white);
}

.purchase-cta p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

/* =====================================
   Achievements Section
   ===================================== */
.achievement-highlight {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.achievement-highlight i {
    font-size: 4rem;
    color: var(--accent-color);
    margin-bottom: var(--spacing-md);
}

.achievement-highlight h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.award-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-medium);
}

.award-card.featured {
    transform: scale(1.05);
    border: 3px solid var(--accent-color);
}

.award-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.award-year {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.award-medal {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    box-shadow: var(--shadow-md);
}

.award-medal.silver {
    background: linear-gradient(135deg, #c0c0c0, #e8e8e8);
    color: #666;
}

.award-medal.bronze {
    background: linear-gradient(135deg, #cd7f32, #e5a05d);
    color: #664422;
}

.award-card h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.certifications {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.certifications h3 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.cert-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-cream);
    border-radius: 8px;
    transition: var(--transition-medium);
}

.cert-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.cert-item i {
    font-size: 3rem;
    color: var(--primary-light);
    margin-bottom: var(--spacing-sm);
}

.cert-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.cert-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* =====================================
   Community Section
   ===================================== */
.community-intro {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.community-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.community-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.activity-item {
    margin-bottom: var(--spacing-lg);
}

.activity-item h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.activity-item h3 i {
    color: var(--primary-light);
}

.activity-item p {
    line-height: 1.8;
    color: var(--text-secondary);
}

.community-quote {
    border-left: 4px solid var(--accent-color);
    padding-left: var(--spacing-md);
    margin-top: var(--spacing-lg);
    font-style: italic;
    color: var(--text-secondary);
    background: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.sdgs-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    padding: var(--spacing-xl);
    border-radius: 12px;
    text-align: center;
    color: var(--text-white);
}

.sdgs-section h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-white);
}

.sdgs-section > p {
    margin-bottom: var(--spacing-lg);
}

.sdgs-goals {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

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

.sdg-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-sm);
    background: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
}

.sdg-icon.sdg-2 {
    color: #dda63a;
}

.sdg-icon.sdg-12 {
    color: #bf8b2e;
}

.sdg-icon.sdg-15 {
    color: #56c02b;
}

.sdg-item p {
    font-size: 0.95rem;
    line-height: 1.4;
}

/* =====================================
   Contact Section
   ===================================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

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

.contact-card {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-medium);
}

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

.contact-card.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
}

.contact-card.highlight h3,
.contact-card.highlight p {
    color: var(--text-white);
}

.contact-card i {
    font-size: 2.5rem;
    color: var(--primary-light);
    margin-bottom: var(--spacing-sm);
}

.contact-card.highlight i {
    color: var(--accent-light);
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.contact-card p {
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.contact-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.2rem;
}

.contact-link:hover {
    text-decoration: underline;
}

.note {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

.contact-map h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.map-container {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
}

.access-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.access-info p {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.access-info i {
    color: var(--primary-light);
    font-size: 1.2rem;
}

/* =====================================
   Footer
   ===================================== */
.footer {
    background: linear-gradient(135deg, #1a3309, #2d5016);
    color: var(--text-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-logo i {
    font-size: 2rem;
    color: var(--accent-light);
}

.footer-about p {
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.footer-certifications {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    font-size: 0.85rem;
    width: fit-content;
}

.footer h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent-light);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    opacity: 0.9;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    padding-left: 5px;
    color: var(--accent-light);
}

.footer-contact p,
.footer-shop p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    opacity: 0.9;
}

.footer-contact i {
    width: 20px;
}

.footer-contact a {
    color: var(--text-white);
    transition: var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--accent-light);
}

.btn-footer {
    background: var(--accent-color);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    margin-top: var(--spacing-sm);
}

.btn-footer:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.footer-note {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* =====================================
   Scroll to Top Button
   ===================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* =====================================
   Responsive Design
   ===================================== */

/* Tablet */
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content,
    .community-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .tech-grid,
    .rice-grid,
    .awards-grid,
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-timeline {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* Mobile */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    /* Navigation */
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        max-height: 0;
        overflow: hidden;
        transition: var(--transition-medium);
    }
    
    .nav-menu.active {
        max-height: 500px;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: var(--spacing-sm);
    }
    
    /* Hero */
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Grids */
    .about-facts,
    .tech-grid,
    .rice-grid,
    .awards-grid,
    .cert-grid,
    .process-timeline,
    .sdgs-goals {
        grid-template-columns: 1fr;
    }
    
    .leaders {
        flex-direction: column;
    }
    
    .process-item::after {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .purchase-cta h3 {
        font-size: 1.5rem;
    }
    
    /* SDGs調整 */
    .sdgs-goals {
        gap: var(--spacing-md);
        padding: 0 var(--spacing-md);
    }
    
    .sdg-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }
    
    .sdg-item p {
        font-size: 0.85rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    /* SDGs調整 */
    .sdgs-goals {
        gap: var(--spacing-sm);
    }
    
    .sdg-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }
    
    .sdg-item p {
        font-size: 0.8rem;
    }
}

/* =====================================
   Print Styles
   ===================================== */
@media print {
    .header,
    .hero-buttons,
    .scroll-indicator,
    .scroll-top,
    .btn,
    .menu-toggle {
        display: none;
    }
    
    .section {
        page-break-inside: avoid;
    }
}

/* =====================================
   Accessibility
   ===================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}