:root {
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #00f2ff;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --font-en: 'Inter', sans-serif;
    --font-jp: 'Noto Sans JP', sans-serif;
}

body {
    font-family: var(--font-en), var(--font-jp);
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 100vw;
}

.content-wrapper {
    position: relative;
    z-index: 10;
    padding: 20px;
    width: 100%;
    max-width: 600px;
    opacity: 0;
    animation: fadeIn 1.5s ease-out 0.5s forwards;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 32px;
    padding: 4rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    text-align: left;
    position: relative;
    overflow: hidden;
}

/* 光の反射エフェクト */
.glass-panel::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 60%);
    transform: rotate(30deg);
    pointer-events: none;
}

.status-label {
    font-size: 0.75rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-label::before {
    content: '';
    display: block;
    width: 8px;
    height: 8px;
    background-color: var(--accent-color);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-color);
    animation: pulse 2s infinite;
}

.main-title {
    font-size: 5rem;
    line-height: 1.0;
    margin: 0 0 1.5rem 0;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, var(--accent-color) 25%, #bd00ff 50%, var(--accent-color) 75%, #fff 100%);
    background-size: 200% auto;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.05em;
    animation: shine 8s linear infinite;
    filter: drop-shadow(0 0 20px rgba(0, 242, 255, 0.2));
}

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

.description {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-weight: 300;
}

.progress-bar-container {
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 30%;
    background: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-color);
    animation: loading 3s ease-in-out infinite;
}

.footer-text {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.3);
    margin: 0;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.5; }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes loading {
    0% { left: -30%; }
    50% { left: 100%; }
    100% { left: 100%; }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .glass-panel {
        padding: 2rem;
    }
    .main-title {
        font-size: 2.5rem;
    }
}