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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background-color: #0a0a0a;
    position: relative;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(255, 119, 198, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(119, 198, 255, 0.2) 0%, transparent 70%);
    filter: blur(100px);
    animation: fogMove 20s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes fogMove {
    0%, 100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
    }
    25% {
        transform: translate(-30px, -30px) scale(1.1) rotate(90deg);
    }
    50% {
        transform: translate(30px, 20px) scale(0.9) rotate(180deg);
    }
    75% {
        transform: translate(-20px, 30px) scale(1.05) rotate(270deg);
    }
}

/* パーティクル用のコンテナ */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: floatParticle 20s infinite linear;
}

@keyframes floatParticle {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.4;
    }
    90% {
        opacity: 0.4;
    }
    100% {
        transform: translateY(-10vh) scale(1);
        opacity: 0;
    }
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

header {
    background: rgba(20, 20, 20, 0.8);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

header h1 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #ffffff;
}

nav {
    display: flex;
    gap: 20px;
}

nav a {
    color: #e0e0e0;
    text-decoration: none;
    transition: color 0.3s;
}

nav a:hover {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

main {
    padding: 40px 0;
}

section {
    margin-bottom: 60px;
}

h2 {
    font-size: 20px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.game-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.game-item {
    display: block;
    text-decoration: none;
    color: #e0e0e0;
    transition: all 0.3s;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.game-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(120, 119, 198, 0.3);
}

.game-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    background: #1a1a1a;
    border-radius: 4px;
}

.game-item h3 {
    font-size: 16px;
    margin-top: 8px;
    color: #ffffff;
}

#news article {
    margin-bottom: 30px;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

#news article::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(120, 119, 198, 0.3) 0%, transparent 70%);
    transition: all 0.5s ease;
    transform: translate(-50%, -50%);
}

#news article:hover {
    transform: scale(1.02);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 5px 20px rgba(120, 119, 198, 0.2);
}

#news article:hover::before {
    width: 300px;
    height: 300px;
}

#news article:last-child {
    border-bottom: none;
}

#news time {
    color: #999;
    font-size: 14px;
}

#news h3 {
    font-size: 18px;
    margin: 5px 0 10px;
    color: #ffffff;
}

#news p {
    color: #c0c0c0;
}

footer {
    background: rgba(20, 20, 20, 0.8);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    text-align: center;
    color: #999;
    font-size: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}