:root {
    /* Color Palette - Dark & Gold */
    --primary-bg: #111111;
    --primary-gold: #d4af37;
    /* Gold accent */
    --text-main: #f0f0f0;
    --text-muted: #aaaaaa;
    --glass-dark: rgba(0, 0, 0, 0.85);
    /* Darker glass for better contrast */
    --glow-color: rgba(212, 175, 55, 0.2);

    /* Spacing */
    --section-spacing: 60px;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-main);
    line-height: 1.6;
}

/* Background image on sticky pseudo-element to combat mobile scaling bugs */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: url('assets/hero_main.jpg');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    z-index: -10;
}

/* --- Layout: Full Screen Hero (Adapted for Design B) --- */
.hero-wrapper {
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    color: var(--text-main);
    /* White/Gold */
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
}

/* Screen reader only class for SEO/Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Darker overlay on hero for Gold text pop - REMOVED */
.hero-wrapper::after {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 20px;
    margin-top: -10vh;
    /* Shift subtitle slightly higher */
}

.hero-title {
    font-size: 5rem;
    font-weight: 300;
    letter-spacing: 10px;
    margin: 0;
    color: var(--primary-gold);
    /* Gold Title */
    border-bottom: 2px solid var(--primary-gold);
    padding-bottom: 10px;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-top: 20px;
    font-weight: 300;
    letter-spacing: 3px;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
    /* Add text shadow for readability without overlay */
}

/* Header (Nav) */
header {
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 10;
    padding: 20px 0;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 40px;
    background: rgba(0, 0, 0, 0.4);
    /* Subtle background for nav readability */
    padding: 15px;
    border-radius: 30px;
    margin: 0 auto;
    width: fit-content;
}

nav a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--primary-gold);
}

/* --- Main Content Container (Dark Glass) --- */
.main-container {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--glass-dark);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.8);
    min-height: 100vh;
    position: relative;
    z-index: 5;
    padding: 60px 40px;
    border-left: 1px solid rgba(255, 255, 255, 0.05);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
}

/* Content Sections */
.content-section {
    padding: var(--section-spacing) 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.content-section h2 {
    font-size: 1.8rem;
    color: var(--primary-gold);
    letter-spacing: 3px;
    margin-bottom: 30px;
    font-weight: 400;
}

/* News Section */
.news-list {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

.news-item {
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    gap: 20px;
    align-items: baseline;
}

.news-date {
    font-weight: bold;
    color: var(--primary-gold);
    min-width: 100px;
}

.news-item p {
    margin: 0;
    flex: 1;
    color: var(--text-main);
}

/* Schedule Section */
.schedule-intro-card {
    background: rgba(0, 0, 0, 0.85);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    max-width: 800px;
    margin: 0 auto 30px auto;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.schedule-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.location-card {
    text-align: left;
    background: rgba(0, 0, 0, 0.85);
    /* Significantly darker for max contrast */
    padding: 25px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    /* Brighter border */
    width: 350px;
    color: #ffffff;
    /* Pure white text */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.location-card h3 {
    color: var(--primary-gold);
    margin-top: 0;
    border-bottom: 2px solid var(--primary-gold);
    padding-bottom: 10px;
    font-size: 1.3rem;
    /* Larger title */
}

.location-details {
    font-size: 1.05rem;
    /* Larger text */
    margin-bottom: 15px;
    color: #ffffff;
    /* Pure white */
    line-height: 1.7;
}

.dates-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    /* More visible separator */
}

.dates-list li {
    padding: 10px 0;
    /* More spacing */
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    /* More visible separator */
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    /* Larger dates */
    align-items: center;
}

.fee-table {
    margin-top: 20px;
    background: rgba(0, 0, 0, 0.9);
    /* Almost opaque */
    padding: 15px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.fee-table h4 {
    margin: 0 0 10px 0;
    font-size: 1.1rem;
    color: var(--primary-gold);
}

.fee-table ul {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 1rem;
    /* Larger text */
    color: #ffffff;
}

.song-list {
    margin-top: 40px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.6);
    /* Darker background */
    border-radius: 8px;
    display: inline-block;
    color: #eee;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.song-list h3 {
    color: var(--primary-gold);
}

/* Live Info */
.live-card {
    background: rgba(0, 0, 0, 0.6);
    /* Darker background */
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin: 20px auto;
    max-width: 700px;
    text-align: left;
    overflow: hidden;
    border-radius: 8px;
    color: var(--text-main);
}

.live-header {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.live-header h3 {
    margin: 0;
    color: var(--primary-gold);
    font-size: 1.2rem;
}

.live-date {
    font-weight: bold;
    color: #fff;
    font-size: 1.1rem;
}

.live-body {
    padding: 20px 30px;
}

.btn-primary {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background: var(--primary-gold);
    color: #000;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: background 0.3s;
    font-weight: bold;
}

.btn-primary:hover {
    background: #e5c158;
}

/* Footer */
footer {
    padding: 50px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom a {
    margin: 0 15px;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-bottom a:hover {
    color: var(--primary-gold);
}

.copyright {
    font-size: 0.8rem;
    color: #666;
    margin-top: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    body::before {
        background-image: url('assets/hero_main_mobile.jpg');
        background-position: center center;
        background-size: cover;
    }

    /* Hero Section Adjustments */
    .hero-wrapper {
        height: auto;
        min-height: 100vh;
        padding-top: 100px;
        /* Space for nav */
    }

    .hero-content {
        margin-top: 30vh;
        /* Shift subtitle higher from the bottom position */
        padding: 10px;
    }

    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 5px;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        letter-spacing: 1px;
    }

    /* Navigation Adjustments */
    header {
        position: fixed;
        /* Keep nav visible on scroll */
        background: rgba(0, 0, 0, 0.9);
        padding: 10px 0;
        backdrop-filter: blur(10px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    nav ul {
        flex-wrap: wrap;
        /* Allow wrapping */
        gap: 10px 20px;
        background: transparent;
        padding: 5px;
        border-radius: 0;
    }

    nav a {
        font-size: 0.85rem;
        letter-spacing: 1px;
    }

    /* Main Container Adjustments */
    .main-container {
        padding: 30px 15px;
        border: none;
        /* Remove side borders on mobile */
    }

    .content-section {
        padding: 40px 10px;
    }

    .content-section p {
        font-size: 0.9rem;
        /* Slightly smaller for narrow screens */
        line-height: 1.6;
        word-break: keep-all;
        /* Prevent awkward mid-word breaks like プロデ-ュース */
        overflow-wrap: break-word;
        /* Ensure long words still wrap if necessary */
    }

    .content-section h2 {
        font-size: 1.5rem;
    }

    /* News Section */
    .news-item {
        flex-direction: column;
        gap: 5px;
    }

    /* Schedule Section Adjustments */
    .schedule-intro-card {
        padding: 20px 15px;
    }

    .schedule-intro-card h2 {
        font-size: 1.4rem;
    }

    .location-card {
        width: 100%;
        margin-bottom: 20px;
        padding: 20px 15px;
    }

    .location-card h3 {
        font-size: 1.1rem;
    }

    .dates-list li {
        font-size: 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .fee-table ul {
        font-size: 0.9rem;
    }

    /* Live Info Adjustments */
    .live-card {
        margin: 15px auto;
    }

    .live-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 15px 20px;
    }

    .live-header h3 {
        font-size: 1.1rem;
    }

    .live-date {
        font-size: 1rem;
    }

    .live-body {
        padding: 15px 20px;
        font-size: 0.95rem;
    }

    .live-body p {
        margin-bottom: 10px;
    }

    /* Line Break Control */
    .pc-only {
        display: none;
    }

    .sp-only {
        display: block;
    }
}

/* Default Line Break Control (PC/Tablet) */
.sp-only {
    display: none;
}