:root {
    --bg-color: #0f172a;
    --accent-color: #ff3e00;
    --text-color: #f8fafc;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Helvetica Neue', Arial, sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.container {
    text-align: center;
    padding: 2rem;
}

.status {
    font-size: 0.8rem;
    letter-spacing: 0.5rem;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 1rem;
    opacity: 0.8;
}

h1 {
    font-size: clamp(2rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1;
    text-transform: uppercase;
    background: linear-gradient(90deg, #fff, var(--accent-color), #fff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shine 4s linear infinite;
}

.line {
    width: 50px;
    height: 2px;
    background-color: var(--accent-color);
    margin: 2rem auto;
}

p {
    font-size: 1rem;
    letter-spacing: 0.1rem;
    opacity: 0.6;
}

@keyframes shine {
    to { background-position: 200% center; }
}

/* 背景の装飾的な要素 */
.glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.1) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
}