body, html {
            margin: 0;
            padding: 0;
            font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
            scroll-behavior: smooth;
        }

        .top-bar {
            background-color: #000000;
            color: #ffffff;
            padding: 10px 20px;
            display: flex;
            align-items: center;
            height: 50px; 
            box-sizing: border-box;
        }

        .top-bar h1 {
            margin: 0;
            font-size: 1.2rem;
            font-weight: bold;
            letter-spacing: 0.05em;
        }

        .full-header {
            height: calc(100vh - 50px);
            width: 100%;
            background: linear-gradient(135deg, #001226 0%, #191970 100%);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: #ffffff;
            text-align: center;
            position: relative;
        }

        .full-header h2 {
            font-size: 3rem;
            margin-bottom: 20px;
            letter-spacing: 0.1em;
            text-shadow: 0 4px 10px rgba(0,0,0,0.3);
            margin-top: 0;
        }

        .full-header p {
            font-size: 1.2rem;
            opacity: 0.8;
            margin: 0;
        }

        .scroll-down {
            position: absolute;
            bottom: 30px;
            animation: bounce 2s infinite;
            font-size: 0.9rem;
            opacity: 0.7;
        }

        .content-section {
            padding: 100px 20px;
            background-color: #f8f9fa;
            min-height: 600px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .form-card {
            background: white;
            padding: 50px;
            border-radius: 12px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
            width: 100%;
            max-width: 500px;
            text-align: center;
        }

        .form-card h2 {
            margin-top: 0;
            color: #001f3f;
            margin-bottom: 30px;
        }

        input[type="email"], input[type="text"] {
            width: 100%;
            padding: 15px;
            margin-bottom: 20px;
            border: 1px solid #ddd;
            border-radius: 30px; 
            font-size: 1rem;
            box-sizing: border-box;
        }

        .floating-btn {
            width: 100%;
            padding: 18px;
            background: #ff8c00;
            color: white;
            border: none;
            border-radius: 30px;
            font-size: 1.2rem;
            font-weight: bold;
            cursor: pointer;
            box-shadow: 0 10px 20px rgba(255, 140, 0, 0.3);
            animation: fluffy 3s ease-in-out infinite;
            transition: transform 0.2s;
        }

        .floating-btn:hover {
            background: #e67e22;
            transform: scale(1.02);
        }

        footer {
            background-color: #001f3f;
            color: #ffffff;
            padding: 60px 20px;
            text-align: center;
            font-size: 0.9rem;
        }

        @keyframes fluffy {
            0% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0); }
        }

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

        @media (max-width: 768px) {
            .full-header h2 { font-size: 2rem; }
            .form-card { padding: 30px; }
            .top-bar h1 { font-size: 1rem; }
        }