:root {
    --bg-color: #0A0A0A;
    --accent-color: #00FFFF;
    --accent-pink: #FF00FF;
    --text-color: #FFFFFF;
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Share Tech Mono', monospace;
}

body {
    margin: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    overflow-x: hidden;
}

/* スキャンラインエフェクト */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.5) 50%);
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 100;
}

header {
    display: flex;
    justify-content: space-between;
    padding: 20px 40px;
    align-items: center;
    border-bottom: 2px solid var(--accent-color);
}

.logo {
    font-family: var(--font-heading);
    font-size: 24px;
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--accent-color);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    font-family: var(--font-heading);
}

#hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

h1 {
    font-family: var(--font-heading);
    font-size: 80px;
    margin-bottom: 20px;
    color: var(--accent-pink);
    text-shadow: 0 0 20px var(--accent-pink);
    position: relative;
    display: inline-block;
}

h1::before, h1::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
}

h1::before {
    left: 2px;
    text-shadow: -2px 0 var(--accent-color);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 2s infinite linear alternate-reverse;
}

h1::after {
    left: -2px;
    text-shadow: -2px 0 var(--accent-pink);
    clip: rect(85px, 450px, 140px, 0);
    animation: glitch-anim2 3s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(20px, 9999px, 80px, 0); }
    10% { clip: rect(60px, 9999px, 10px, 0); }
    20% { clip: rect(5px, 9999px, 90px, 0); }
    100% { clip: rect(30px, 9999px, 60px, 0); }
}

@keyframes glitch-anim2 {
    0% { clip: rect(10px, 9999px, 50px, 0); }
    10% { clip: rect(70px, 9999px, 20px, 0); }
    20% { clip: rect(40px, 9999px, 90px, 0); }
    100% { clip: rect(50px, 9999px, 40px, 0); }
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    background: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    text-decoration: none;
    margin-top: 30px;
    transition: 0.3s;
}

.cta-button:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    box-shadow: 0 0 20px var(--accent-color);
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 40px;
}

.card {
    border: 1px solid var(--accent-color);
    padding: 20px;
    background: rgba(0, 255, 255, 0.05);
}