        :root {
            --primary-color: #5a7ba8;
            --secondary-color: #f8f9fb;
            /* --accent-color: #f4a261; */
            --accent-color: #e98cb9;
            --text-dark: #2d3748;
            --text-light: #4a5568;
            --warm-white: #fefcf8;
            --border-light: #e2e8f0;
            --success-color: #48bb78;
            --gentle-green: #68d391;
            --soft-orange: #fed7aa;
            --warm-beige: #fdf2e9;
            --light-blue: #bee3f8;
            --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, #7ba8d1 100%);
            --gradient-warm: linear-gradient(135deg, var(--warm-beige) 0%, var(--soft-orange) 100%);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Hiragino Sans', 'Yu Gothic UI', 'Meiryo UI', sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--warm-white);
            font-size: 16px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        header {
            background: var(--gradient-primary);
            box-shadow: 0 2px 20px rgba(44, 90, 160, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            color: white;
            font-size: 20px;
            font-weight: bold;
        }

        .logo img {
            height: 50px;
            margin-right: 10px;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 25px;
            transition: all 0.3s ease;
            font-size: 15px;
        }

        nav a:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-1px);
        }

        /* Hero Section */
        .hero {
            background: var(--gradient-primary);
            color: white;
            padding: 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 25px;
            font-weight: 700;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
            line-height: 1.2;
        }

        .hero-subtitle {
            font-size: 1.4rem;
            margin-bottom: 15px;
            opacity: 0.95;
            font-weight: 500;
        }

        .hero-description {
            font-size: 1.1rem;
            margin-bottom: 40px;
            opacity: 0.9;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-button {
            background: var(--accent-color);
            color: white;
            padding: 18px 40px;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(244, 162, 97, 0.3);
        }

        .cta-button:hover {
            background: #e76f51;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(244, 162, 97, 0.4);
        }

        .cta-button.secondary {
            background: transparent;
            border: 2px solid white;
            box-shadow: none;
        }

        .cta-button.secondary:hover {
            background: white;
            color: var(--primary-color);
        }

        /* Impact Stats */
        .impact-stats {
            background: white;
            padding: 60px 0;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .stats-container {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            border: 1px solid var(--border-light);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            text-align: center;
        }

        .stat-item {
            padding: 20px;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--accent-color);
            display: block;
            margin-bottom: 10px;
        }

        .stat-label {
            font-size: 1.1rem;
            color: var(--text-dark);
            font-weight: 600;
        }

        .stat-description {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 5px;
        }

        /* Section Styles */
        .section {
            padding: 80px 0;
        }

        .section:nth-child(even) {
            background-color: var(--secondary-color);
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--primary-color);
            font-weight: 700;
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 60px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Mission Section Enhancement */
        .mission-highlight {
            background: var(--gradient-primary);
            color: white;
            border-radius: 20px;
            padding: 50px;
            margin-bottom: 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .mission-highlight::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
        }

        .mission-highlight h3 {
            font-size: 2rem;
            margin-bottom: 20px;
            position: relative;
        }

        .mission-highlight p {
            font-size: 1.2rem;
            line-height: 1.8;
            position: relative;
        }

        /* Cards */
        .card {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            margin-bottom: 30px;
            transition: all 0.3s ease;
            border: 1px solid var(--border-light);
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .card h3 {
            color: var(--primary-color);
            font-size: 1.5rem;
            margin-bottom: 20px;
            font-weight: 600;
        }

        .card p {
            color: var(--text-light);
            margin-bottom: 15px;
            font-size: 1.05rem;
        }

        /* Problems & Solutions Section */
        .problems-solutions {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-top: 40px;
        }

        .problem-card {
            background: linear-gradient(135deg, #fef5e7 0%, #fed7aa 100%);
            border-left: 4px solid #f4a261;
            border-radius: 15px;
            padding: 30px;
        }

        .solution-card {
            background: linear-gradient(135deg, #f0fff4 0%, #c6f6d5 100%);
            border-left: 4px solid var(--gentle-green);
            border-radius: 15px;
            padding: 30px;
        }

        .problem-card h4 {
            color: #c05621;
            font-size: 1.3rem;
            margin-bottom: 15px;
        }

        .solution-card h4 {
            color: #2f855a;
            font-size: 1.3rem;
            margin-bottom: 15px;
        }

        /* Activities Grid Enhancement */
        .activities-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .activity-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            position: relative;
        }

        .activity-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .activity-icon {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 50px;
            height: 50px;
            background: var(--accent-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            z-index: 2;
        }

        .activity-image {
            height: 200px;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
            font-weight: 600;
            position: relative;
        }

        .activity-content {
            padding: 30px;
        }

        .activity-content h3 {
            color: var(--primary-color);
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        /* Process Section */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .process-step {
            text-align: center;
            position: relative;
        }

        .process-step::after {
            content: '→';
            position: absolute;
            right: -15px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 2rem;
            color: var(--accent-color);
            font-weight: bold;
        }

        .process-step:last-child::after {
            display: none;
        }

        .step-number {
            width: 60px;
            height: 60px;
            background: var(--accent-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
            margin: 0 auto 20px;
        }

        .step-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 10px;
        }

        .step-description {
            color: var(--text-light);
            font-size: 0.95rem;
        }

        /* Results Section Enhancement */
        .results-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
            margin-top: 40px;
        }

        .result-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }

        .result-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .result-image img {
            width: 100%;
            height: 250px;
            object-fit: cover;
        }

        .result-content {
            padding: 30px;
        }

        .result-content h3 {
            color: var(--primary-color);
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        .result-meta {
            display: flex;
            gap: 15px;
            margin-bottom: 15px;
            flex-wrap: wrap;
        }

        .result-date, .result-location {
            background: var(--light-blue);
            color: var(--primary-color);
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 0.9rem;
            font-weight: 600;
        }

        .participants-count {
            background: var(--soft-orange);
            color: #c05621;
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 0.9rem;
            font-weight: 600;
        }

        /* Testimonials Enhancement */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .testimonial-card {
            background: var(--warm-beige);
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 5px 20px rgba(244, 162, 97, 0.1);
            border-left: 4px solid var(--accent-color);
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 10px;
            left: 15px;
            font-size: 3rem;
            color: var(--accent-color);
            opacity: 0.3;
        }

        .testimonial-content p {
            font-style: italic;
            font-size: 1.1rem;
            margin-bottom: 20px;
            color: var(--text-dark);
            padding-left: 20px;
        }

        .testimonial-author {
            text-align: right;
            color: var(--primary-color);
            font-weight: 600;
        }

        /* Message Section Enhancement */
        .message-layout {
            display: grid;
            grid-template-columns: 250px 1fr;
            gap: 50px;
            align-items: start;
        }

        .representative-photo {
            text-align: center;
        }

        .rep-photo {
            width: 220px;
            height: 270px;
            object-fit: cover;
            border-radius: 15px;
            box-shadow: 0 15px 35px rgba(44, 90, 160, 0.2);
        }

        .message-content {
            flex: 1;
        }

        .message-text {
            font-size: 1.15rem;
            line-height: 1.8;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

        .signature {
            text-align: right;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 2px solid var(--border-light);
        }

        .signature p {
            margin-bottom: 5px;
            color: var(--primary-color);
        }

        /* Profile Detail Enhancement */
        .profile-content {
            display: grid;
            gap: 20px;
            margin-top: 20px;
        }

        .profile-item {
            display: grid;
            grid-template-columns: 140px 1fr;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
        }

        .profile-item:last-child {
            border-bottom: none;
        }

        .profile-item strong {
            color: var(--primary-color);
            font-weight: 600;
        }

        .profile-item span {
            color: var(--text-dark);
            line-height: 1.6;
        }

        /* News Section Enhancement */
        .news-list {
            background: white;
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
        }

        .news-item {
            display: flex;
            padding: 25px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: center;
            transition: all 0.3s ease;
        }

        .news-item:hover {
            background: var(--secondary-color);
            margin: 0 -20px;
            padding: 25px 20px;
            border-radius: 10px;
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-date {
            background: var(--primary-color);
            color: white;
            padding: 10px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-right: 25px;
            white-space: nowrap;
        }

        .news-content {
            flex: 1;
            font-size: 1.05rem;
        }

        .news-tag {
            background: var(--gentle-green);
            color: #2f855a;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-left: 15px;
        }

        /* SNS Section Enhancement */
        .sns-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .sns-card {
            background: white;
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            text-decoration: none;
            color: var(--text-dark);
            position: relative;
            overflow: hidden;
        }

        .sns-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.1) 100%);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .sns-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .sns-card:hover::before {
            opacity: 1;
        }

        .sns-icon {
            width: 70px;
            height: 70px;
            margin: 0 auto 20px;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: white;
            font-weight: bold;
            position: relative;
        }

        .instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
        .youtube { background: #ff0000; }
        .twitter { background: #1da1f2; }

        .sns-card h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--primary-color);
            position: relative;
        }

        .sns-card p {
            color: var(--text-light);
            font-size: 0.95rem;
            position: relative;
        }

        /* Contact Enhancement */
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-top: 40px;
        }

        .contact-card {
            background: white;
            border-radius: 20px;
            padding: 40px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .contact-icon {
            width: 60px;
            height: 60px;
            background: var(--gentle-green);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.5rem;
            color: white;
        }

        /* Footer Enhancement */
        footer {
            background: linear-gradient(135deg, var(--primary-color) 0%, #4a6b8a 100%);
            color: white;
            padding: 60px 0 30px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-section h4 {
            margin-bottom: 20px;
            color: var(--accent-color);
            font-size: 1.2rem;
        }

        .footer-section p {
            margin-bottom: 10px;
        }

        .footer-section a {
            color: #e2e8f0;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-section a:hover {
            color: var(--soft-orange);
        }

        .copyright {
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            color: #cbd5e0;
            text-align: center;
        }

        /* Mobile Menu */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 20px;
            }

            .mobile-menu-toggle {
                display: block;
            }

            nav {
                display: none;
                width: 100%;
            }

            nav.active {
                display: block;
            }

            nav ul {
                flex-direction: column;
                gap: 10px;
                padding: 20px 0;
            }

            .hero {
                padding: 60px 0;
            }

            .hero h1 {
                font-size: 2.2rem;
            }

            .hero-subtitle {
                font-size: 1.2rem;
            }

            .hero-description {
                font-size: 1rem;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .section {
                padding: 60px 0;
            }

            .section-title {
                font-size: 2rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .stat-number {
                font-size: 2.2rem;
            }

            .problems-solutions {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .process-steps {
                grid-template-columns: 1fr;
            }

            .process-step::after {
                content: '↓';
                right: 50%;
                top: auto;
                bottom: -15px;
                transform: translateX(50%);
            }

            .process-step:last-child::after {
                display: none;
            }

            .activities-grid {
                grid-template-columns: 1fr;
            }

            .results-grid {
                grid-template-columns: 1fr;
            }

            .message-layout {
                grid-template-columns: 1fr;
                gap: 30px;
                text-align: center;
            }

            .profile-item {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .card {
                padding: 30px 20px;
            }

            .impact-stats {
                margin-top: -30px;
                padding: 40px 0;
            }

            .stats-container {
                padding: 30px 20px;
            }
        }

        /* Accessibility improvements */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* Focus styles for keyboard navigation */
        a:focus, button:focus {
            outline: 2px solid var(--accent-color);
            outline-offset: 2px;
        }

        /* Scroll animations */
        .scroll-animate {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }

        .scroll-animate.active {
            opacity: 1;
            transform: translateY(0);
        }
        /* Additional animations and improvements */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .scroll-animate {
            animation: fadeInUp 0.6s ease forwards;
        }

        /* Loading state */
        body:not(.loaded) {
            overflow: hidden;
        }

        body:not(.loaded) .scroll-animate {
            opacity: 0;
            transform: translateY(30px);
        }

        /* Enhanced hover effects */
        .activity-card:hover .activity-icon {
            transform: scale(1.1);
            background: #e76f51;
        }

        .result-card:hover .result-image img {
            transform: scale(1.05);
        }

        .result-image {
            overflow: hidden;
            border-radius: 20px 20px 0 0;
        }

        .result-image img {
            transition: transform 0.3s ease;
        }

        /* Better focus indicators */
        .cta-button:focus,
        .sns-card:focus,
        .contact-card:focus {
            outline: 3px solid var(--accent-color);
            outline-offset: 2px;
        }

        /* Print styles */
        @media print {
            .hero,
            .impact-stats,
            .sns-grid,
            footer {
                display: none;
            }
            
            .section {
                padding: 20px 0;
                break-inside: avoid;
            }
            
            .card {
                box-shadow: none;
                border: 1px solid #ddd;
            }
        }

        /* High contrast mode support */
        @media (prefers-contrast: high) {
            :root {
                --primary-color: #2d4a7b;
                --accent-color: #d69e2e;
                --text-light: #2d3748;
                --border-light: #4a5568;
            }
            
            .card {
                border: 2px solid var(--primary-color);
            }
        }

        /* Reduced motion support */
        @media (prefers-reduced-motion: reduce) {
            .scroll-animate {
                animation: none;
                opacity: 1;
                transform: none;
            }
            
            .activity-card:hover,
            .result-card:hover,
            .sns-card:hover {
                transform: none;
            }
        }

        /* Dark mode support (future enhancement)
        @media (prefers-color-scheme: dark) {
            :root {
                --warm-white: #1a202c;
                --text-dark: #f7fafc;
                --text-light: #e2e8f0;
                --secondary-color: #2d3748;
                --border-light: #4a5568;
                --warm-beige: #2d3748;
            }
            
            .card {
                background: #2d3748;
                color: #f7fafc;
            }
            
            .news-list {
                background: #2d3748;
            }
            
            .contact-card {
                background: #2d3748;
            }
        } */

        /* Additional mobile optimizations */
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            
            .section-title {
                font-size: 1.6rem;
            }
            
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            
            .stat-number {
                font-size: 1.8rem;
            }
            
            .cta-button {
                padding: 15px 30px;
                font-size: 1rem;
            }
            
            .card {
                padding: 20px 15px;
            }
        }

        /* Tablet optimizations */
        @media (min-width: 769px) and (max-width: 1024px) {
            .container {
                padding: 0 30px;
            }
            
            .activities-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .results-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* Large screen optimizations */
        @media (min-width: 1400px) {
            .container {
                max-width: 1400px;
            }
            
            .hero h1 {
                font-size: 3.8rem;
            }
            
            .section-title {
                font-size: 3rem;
            }
        }