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

        body {
            font-family: 'Arial', sans-serif;
            color: white;
            min-height: 100vh;
            position: relative;
            background: #000;
        }

        /* アニメーション背景コンテナ */
        .animated-background {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }

        /* 動的グラデーション背景 */
        .gradient-orbs {
            position: absolute;
            width: 100%;
            height: 100%;
            filter: blur(40px);
            opacity: 0.7;
        }

        .orb {
            position: absolute;
            border-radius: 50%;
            mix-blend-mode: screen;
        }

        .orb1 {
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, #ff006e, transparent);
            animation: float1 20s infinite ease-in-out;
        }

        .orb2 {
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, #8338ec, transparent);
            animation: float2 25s infinite ease-in-out;
        }

        .orb3 {
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, #3a86ff, transparent);
            animation: float3 30s infinite ease-in-out;
        }

        .orb4 {
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, #06ffa5, transparent);
            animation: float4 22s infinite ease-in-out;
        }

        @keyframes float1 {
            0%, 100% { transform: translate(0, 0) scale(1); }
            25% { transform: translate(100px, -100px) scale(1.1); }
            50% { transform: translate(-100px, 100px) scale(0.9); }
            75% { transform: translate(50px, 50px) scale(1.05); }
        }

        @keyframes float2 {
            0%, 100% { transform: translate(100vw, 0) scale(1); }
            25% { transform: translate(80vw, 200px) scale(0.9); }
            50% { transform: translate(60vw, -100px) scale(1.1); }
            75% { transform: translate(90vw, 100px) scale(1); }
        }

        @keyframes float3 {
            0%, 100% { transform: translate(50vw, 100vh) scale(1); }
            25% { transform: translate(30vw, 80vh) scale(1.1); }
            50% { transform: translate(70vw, 60vh) scale(0.95); }
            75% { transform: translate(40vw, 90vh) scale(1.05); }
        }

        @keyframes float4 {
            0%, 100% { transform: translate(80vw, 80vh) scale(1); }
            25% { transform: translate(60vw, 70vh) scale(1.15); }
            50% { transform: translate(90vw, 50vh) scale(0.9); }
            75% { transform: translate(70vw, 90vh) scale(1); }
        }

        /* 幾何学模様のグリッド */
        .geometric-grid {
            position: absolute;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
            background-size: 50px 50px;
            animation: gridMove 10s linear infinite;
        }

        @keyframes gridMove {
            0% { transform: translate(0, 0); }
            100% { transform: translate(50px, 50px); }
        }

        /* パーティクル */
        .particles {
            position: absolute;
            width: 100%;
            height: 100%;
        }

        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: white;
            border-radius: 50%;
            opacity: 0;
            animation: particleFloat 10s infinite linear;
        }

        @keyframes particleFloat {
            0% {
                opacity: 0;
                transform: translateY(100vh) translateX(0);
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            100% {
                opacity: 0;
                transform: translateY(-100vh) translateX(100px);
            }
        }

        /* パーティクル生成 */
        .particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 8s; }
        .particle:nth-child(2) { left: 20%; animation-delay: 1s; animation-duration: 10s; }
        .particle:nth-child(3) { left: 30%; animation-delay: 2s; animation-duration: 9s; }
        .particle:nth-child(4) { left: 40%; animation-delay: 3s; animation-duration: 11s; }
        .particle:nth-child(5) { left: 50%; animation-delay: 4s; animation-duration: 8.5s; }
        .particle:nth-child(6) { left: 60%; animation-delay: 5s; animation-duration: 9.5s; }
        .particle:nth-child(7) { left: 70%; animation-delay: 6s; animation-duration: 10.5s; }
        .particle:nth-child(8) { left: 80%; animation-delay: 7s; animation-duration: 8s; }
        .particle:nth-child(9) { left: 90%; animation-delay: 8s; animation-duration: 11s; }
        .particle:nth-child(10) { left: 15%; animation-delay: 9s; animation-duration: 9s; }

        /* 波動エフェクト */
        .wave-lines {
            position: absolute;
            width: 100%;
            height: 100%;
            overflow: hidden;
        }

        .wave {
            position: absolute;
            width: 200%;
            height: 200%;
            top: -50%;
            left: -50%;
            background: conic-gradient(
                from 0deg,
                transparent,
                rgba(255, 255, 255, 0.1),
                transparent,
                rgba(255, 255, 255, 0.1),
                transparent
            );
            animation: waveRotate 15s linear infinite;
        }

        @keyframes waveRotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* スクロール可能なコンテンツ */
        .content-wrapper {
            position: relative;
            z-index: 1;
            min-height: 300vh; /* スクロール可能な高さ */
            padding: 50px;
        }

        .section {
            max-width: 800px;
            margin: 0 auto 100px;
            padding: 50px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }
/*
        h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            text-align: center;
            text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
        }

        p {
            font-size: 1.2rem;
            line-height: 1.8;
            margin-bottom: 15px;
            opacity: 0.9;
        }
*/
        /* スクロールインジケーター */
        .scroll-indicator {
            position: fixed;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            width: 30px;
            height: 50px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 25px;
            opacity: 0.7;
            z-index: 10;
        }

        .scroll-indicator::before {
            content: '';
            position: absolute;
            top: 8px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 10px;
            background: white;
            border-radius: 2px;
            animation: scrollBounce 2s infinite;
        }

        @keyframes scrollBounce {
            0%, 100% { transform: translateX(-50%) translateY(0); }
            50% { transform: translateX(-50%) translateY(15px); }
        }