* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
            background: linear-gradient(180deg, #0f0520 0%, #1e0a3c 50%, #2d1b69 100%);
            color: #ffffff;
            min-height: 100vh;
            overflow-x: hidden;
        }

        /* Star particle background */
        .stars {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
        }

        .star {
            position: absolute;
            width: 2px;
            height: 2px;
            background: white;
            border-radius: 50%;
            animation: twinkle 3s infinite;
        }

        @keyframes twinkle {
            0%, 100% { opacity: 0.2; }
            50% { opacity: 1; }
        }

        /* Header */
        header {
            position: sticky;
            top: 0;
            background: rgba(15, 5, 32, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 229, 255, 0.3);
            padding: 1rem 2rem;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 229, 255, 0.1);
        }

        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
        }

        .logo .ai-badge {
            background: linear-gradient(135deg, #00e5ff, #00bcd4);
            color: #0f0520;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-size: 0.7rem;
            font-weight: bold;
        }

        nav {
            display: flex;
            gap: 1.5rem;
            align-items: center;
            flex-wrap: wrap;
        }

        nav a {
            color: #ffffff;
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 0.3rem;
            position: relative;
        }

        nav a:hover {
            color: #00e5ff;
            text-shadow: 0 0 10px rgba(0, 229, 255, 0.8);
        }

        .premium-badge {
            background: rgba(255, 215, 0, 0.2);
            border: 1px solid #ffd700;
            padding: 0.2rem 0.4rem;
            border-radius: 4px;
            font-size: 0.65rem;
            margin-left: 0.3rem;
        }

        .login-btn {
            background: linear-gradient(135deg, #e040fb, #ff4081);
            border: none;
            padding: 0.6rem 1.5rem;
            border-radius: 25px;
            color: white;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(224, 64, 251, 0.3);
        }

        .login-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(224, 64, 251, 0.5);
        }

        /* Hero Section */
        .hero {
            position: relative;
            min-height: 60vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 4rem 2rem;
            text-align: center;
        }

        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            text-shadow: 0 0 20px rgba(0, 229, 255, 0.5);
        }

        .hero p {
            font-size: 1.2rem;
            color: #b0b0b0;
            margin-bottom: 2rem;
        }

        .search-container {
            width: 100%;
            max-width: 600px;
            position: relative;
        }

        .search-box {
            width: 100%;
            padding: 1.2rem 1.5rem;
            border-radius: 50px;
            border: 2px solid rgba(0, 229, 255, 0.5);
            background: rgba(15, 5, 32, 0.8);
            color: white;
            font-size: 1rem;
            outline: none;
            transition: all 0.3s;
            box-shadow: 0 0 30px rgba(0, 229, 255, 0.2);
        }

        .search-box:focus {
            border-color: #00e5ff;
            box-shadow: 0 0 40px rgba(0, 229, 255, 0.4);
        }

        .search-box::placeholder {
            color: #808080;
        }

        /* Main Content */
        main {
            position: relative;
            z-index: 1;
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
        }

        section {
            margin-bottom: 4rem;
        }

        .section-title {
            font-size: 2rem;
            margin-bottom: 1rem;
            text-align: center;
            text-shadow: 0 0 15px rgba(0, 229, 255, 0.5);
        }

        .section-subtitle {
            text-align: center;
            color: #b0b0b0;
            margin-bottom: 2rem;
        }

        /* About Section */
        .about-card {
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.1), rgba(224, 64, 251, 0.1));
            border: 2px solid rgba(0, 229, 255, 0.3);
            border-radius: 20px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 8px 32px rgba(0, 229, 255, 0.2);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .feature-card {
            background: rgba(15, 5, 32, 0.8);
            border: 2px solid rgba(0, 229, 255, 0.3);
            border-radius: 15px;
            padding: 2rem;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.1) 0%, transparent 70%);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            border-color: #00e5ff;
            box-shadow: 0 12px 40px rgba(0, 229, 255, 0.3);
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .feature-card h3 {
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
            color: #00e5ff;
        }

        .feature-card p {
            color: #b0b0b0;
            line-height: 1.6;
        }

        .new-badge {
            display: inline-block;
            background: linear-gradient(135deg, #ff4081, #e040fb);
            color: white;
            padding: 0.3rem 0.6rem;
            border-radius: 5px;
            font-size: 0.7rem;
            font-weight: bold;
            margin-left: 0.5rem;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        .more-link {
            display: inline-block;
            margin-top: 1rem;
            color: #00e5ff;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s;
        }

        .more-link:hover {
            text-shadow: 0 0 10px rgba(0, 229, 255, 0.8);
        }

        /* Jump Navigation */
        .jump-nav {
            text-align: center;
            margin: 3rem 0;
        }

        .jump-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .jump-card {
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(224, 64, 251, 0.2));
            border: 2px solid rgba(0, 229, 255, 0.3);
            border-radius: 15px;
            padding: 1.5rem;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
            color: white;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
        }

        .jump-card.blue { border-color: #2196f3; background: linear-gradient(135deg, rgba(33, 150, 243, 0.2), rgba(33, 150, 243, 0.1)); }
        .jump-card.red { border-color: #ff5722; background: linear-gradient(135deg, rgba(255, 87, 34, 0.2), rgba(255, 87, 34, 0.1)); }
        .jump-card.green { border-color: #4caf50; background: linear-gradient(135deg, rgba(76, 175, 80, 0.2), rgba(76, 175, 80, 0.1)); }
        .jump-card.purple { border-color: #9c27b0; background: linear-gradient(135deg, rgba(156, 39, 176, 0.2), rgba(156, 39, 176, 0.1)); }
        .jump-card.teal { border-color: #009688; background: linear-gradient(135deg, rgba(0, 150, 136, 0.2), rgba(0, 150, 136, 0.1)); }
        .jump-card.gold { border-color: #ffc107; background: linear-gradient(135deg, rgba(255, 193, 7, 0.2), rgba(255, 193, 7, 0.1)); }
        .jump-card.gray { border-color: #607d8b; background: linear-gradient(135deg, rgba(96, 125, 139, 0.2), rgba(96, 125, 139, 0.1)); }

        .jump-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 30px rgba(0, 229, 255, 0.4);
        }

        .jump-card .emoji {
            font-size: 2.5rem;
        }

        .jump-card h3 {
            font-size: 1.1rem;
            margin: 0;
        }

        .jump-card p {
            font-size: 0.85rem;
            color: #b0b0b0;
            margin: 0;
        }

        /* Ranking Section */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .ranking-item {
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.1), rgba(224, 64, 251, 0.1));
            border: 2px solid rgba(0, 229, 255, 0.3);
            border-radius: 15px;
            padding: 1.5rem;
            display: flex;
            align-items: center;
            gap: 1.5rem;
            transition: all 0.3s;
        }

        .ranking-item:hover {
            transform: translateX(10px);
            border-color: #00e5ff;
            box-shadow: 0 8px 30px rgba(0, 229, 255, 0.3);
        }

        .rank-badge {
            min-width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
            flex-shrink: 0;
        }

        .rank-badge.gold {
            background: linear-gradient(135deg, #ffd700, #ffab00);
            color: #000;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
        }

        .rank-badge.silver {
            background: linear-gradient(135deg, #c0c0c0, #a0a0a0);
            color: #000;
            box-shadow: 0 0 20px rgba(192, 192, 192, 0.5);
        }

        .rank-badge.bronze {
            background: linear-gradient(135deg, #cd7f32, #b8732d);
            color: #000;
            box-shadow: 0 0 20px rgba(205, 127, 50, 0.5);
        }

        .rank-badge.normal {
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.3), rgba(224, 64, 251, 0.3));
            border: 2px solid rgba(0, 229, 255, 0.5);
        }

        .ranking-info {
            flex: 1;
        }

        .ranking-info h3 {
            font-size: 1.3rem;
            margin-bottom: 0.3rem;
            color: #00e5ff;
        }

        .ranking-score {
            color: #ffd700;
            font-weight: bold;
            font-size: 1.1rem;
        }

        .ranking-location {
            color: #b0b0b0;
            font-size: 0.9rem;
        }

        /* Voting Section */
        .voting-header {
            text-align: center;
            margin-bottom: 2rem;
        }

        .voting-info {
            display: inline-block;
            background: rgba(0, 229, 255, 0.1);
            border: 2px solid rgba(0, 229, 255, 0.3);
            border-radius: 10px;
            padding: 1rem 2rem;
            margin-top: 1rem;
        }

        .recent-features {
            background: rgba(76, 175, 80, 0.1);
            border: 2px solid rgba(76, 175, 80, 0.3);
            border-radius: 15px;
            padding: 1.5rem;
            margin-bottom: 2rem;
        }

        .recent-features h3 {
            color: #4caf50;
            margin-bottom: 1rem;
        }

        .recent-feature-item {
            background: rgba(15, 5, 32, 0.8);
            border-radius: 10px;
            padding: 1rem;
            margin-bottom: 1rem;
        }

        .recent-feature-item h4 {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.5rem;
        }

        .vote-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }

        .vote-card {
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.1), rgba(224, 64, 251, 0.1));
            border: 2px solid rgba(0, 229, 255, 0.3);
            border-radius: 15px;
            padding: 1.5rem;
            transition: all 0.3s;
        }

        .vote-card:hover {
            transform: translateY(-5px);
            border-color: #00e5ff;
            box-shadow: 0 8px 30px rgba(0, 229, 255, 0.3);
        }

        .vote-card .emoji {
            font-size: 2.5rem;
            margin-bottom: 0.5rem;
        }

        .vote-card h4 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            color: #00e5ff;
        }

        .vote-card p {
            color: #b0b0b0;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .vote-progress {
            background: rgba(15, 5, 32, 0.8);
            border-radius: 10px;
            height: 30px;
            margin-bottom: 0.5rem;
            overflow: hidden;
            position: relative;
        }

        .vote-progress-bar {
            height: 100%;
            background: linear-gradient(90deg, #00e5ff, #e040fb);
            transition: width 0.5s;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 0.85rem;
        }

        .vote-info {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: #b0b0b0;
            margin-bottom: 1rem;
        }

        .vote-btn {
            width: 100%;
            background: linear-gradient(135deg, #e040fb, #ff4081);
            border: none;
            padding: 0.8rem;
            border-radius: 10px;
            color: white;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
        }

        .vote-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(224, 64, 251, 0.5);
        }

        .vote-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        /* Map Section */
        #map {
            height: 500px;
            border-radius: 15px;
            border: 2px solid rgba(0, 229, 255, 0.3);
            margin-top: 2rem;
        }

        /* Footer */
        footer {
            background: rgba(15, 5, 32, 0.95);
            border-top: 2px solid rgba(0, 229, 255, 0.3);
            padding: 3rem 2rem;
            margin-top: 4rem;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .footer-section h3 {
            color: #00e5ff;
            margin-bottom: 1rem;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links a {
            color: #b0b0b0;
            text-decoration: none;
            transition: all 0.3s;
        }

        .footer-links a:hover {
            color: #00e5ff;
            text-shadow: 0 0 10px rgba(0, 229, 255, 0.8);
        }

        .copyright {
            text-align: center;
            margin-top: 2rem;
            color: #808080;
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }

            nav {
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .jump-grid {
                grid-template-columns: 1fr;
            }

            .vote-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Smooth scroll */
        html {
            scroll-behavior: smooth;
        }