:root {
    --bg-color: #0a0a0a;
    --text-color: #f0f0f0;
    --accent-gold: #D4AF37;
    --accent-gold-light: #F4df9b;
    --accent-gold-dark: #aa8c2c;
    --font-serif: 'Zen Old Mincho', serif;
    --font-sans: 'Zen Kaku Gothic New', sans-serif;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

/* Mobile Line Break Utility */
.br-sp {
    display: none;
}
@media (max-width: 768px) {
    .br-sp {
        display: inline;
    }
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    line-height: 1.8;
    overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--accent-gold);
    letter-spacing: 0.2em;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 40px;
    z-index: 100;
    transition: background 0.3s ease, padding 0.3s ease;
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 40px;
    border-bottom: 1px solid var(--glass-border);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--accent-gold);
    font-weight: 600;
    letter-spacing: 0.1em;
}

.logo a {
    text-decoration: none;
    color: inherit;
}

.nav a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 30px;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
    text-transform: uppercase;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/hero.png');
    background-size: cover;
    background-position: center;
    filter: brightness(0.6);
    transform: scale(1.1);
    transition: transform 10s ease; /* Parallax effect handled by JS or simple CSS animation */
    animation: zoomOut 20s infinite alternate;
}

@keyframes zoomOut {
    from { transform: scale(1.1); }
    to { transform: scale(1.0); }
}

.hero-content {
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1.5s ease forwards 0.5s;
}

.hero-subtitle {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.9);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 5rem;
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
    line-height: 1;
    background: linear-gradient(45deg, var(--accent-gold-dark), var(--accent-gold), var(--accent-gold-light), var(--accent-gold));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto;
    animation: shine 5s linear infinite;
}

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

.hero-title-en {
    display: block;
    font-family: var(--font-sans);
    font-size: 1.2rem;
    letter-spacing: 0.5em;
    margin-top: 10px;
    color: rgba(255, 255, 255, 0.8);
    -webkit-text-fill-color: initial; /* Reset gradient for subtitle */
}

.hero-date {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    border-top: 1px solid var(--accent-gold);
    border-bottom: 1px solid var(--accent-gold);
    padding: 15px 30px;
    display: inline-block;
    letter-spacing: 0.1em;
}

.hero-time {
    display: block;
    font-size: 1rem;
    margin-top: 5px;
    font-family: var(--font-sans);
    opacity: 0.8;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    z-index: 2;
}

.scroll-indicator .line {
    width: 1px;
    height: 60px;
    background: rgba(255, 255, 255, 0.3);
    margin-top: 10px;
    position: relative;
    overflow: hidden;
}

.scroll-indicator .line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--accent-gold);
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Sections General */
.section {
    padding: 120px 20px;
    position: relative;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--accent-gold);
    margin-bottom: 10px;
    letter-spacing: 0.1em;
}

.section-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.2em;
}

/* Concept Movie */
.concept-movie {
    width: 100%;
    line-height: 0; /* Remove extra space below video */
    background-color: #000;
}

.concept-movie video {
    width: 100%;
    height: auto;
    display: block;
    clip-path: inset(0px 0px 12% 0px);
}

.movie-note {
    color: rgba(255, 255, 255, 0.6);
    text-align: right;
    padding: 10px 20px;
    font-size: 0.8rem;
    line-height: 1.5;
    font-family: var(--font-sans);
}

/* Concept */
.concept-content {
    display: flex;
    align-items: center;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

.concept-image {
    flex: 1;
    position: relative;
}

.concept-image img {
    width: 100%;
    border-radius: 4px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    filter: brightness(0.8) sepia(0.2);
    transition: filter 0.5s ease;
}

.concept-image img:hover {
    filter: brightness(1) sepia(0);
}

.concept-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 1px solid var(--accent-gold);
    z-index: -1;
    opacity: 0.5;
}

.concept-text {
    flex: 1;
    text-align: left;
    font-family: var(--font-serif);
    font-size: 0.9rem;
    line-height: 2.2;
    letter-spacing: 0.1em;
}

.highlight-text {
    font-size: 1.5rem;
    color: var(--accent-gold);
    margin-bottom: 2rem !important;
    line-height: 1.5;
    border-left: 3px solid var(--accent-gold);
    padding-left: 20px;
}

.highlight-text .en {
    font-family: var(--font-sans);
    font-size: 1rem;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.6);
    display: block;
    margin-bottom: 5px;
}

.concept-text p {
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .concept-content {
        flex-direction: column;
    }
    
    .concept-text {
        text-align: center;
    }

    .highlight-text {
        border-left: none;
        border-bottom: 2px solid var(--accent-gold);
        padding-left: 0;
        padding-bottom: 20px;
    }
}

/* Program */
.program-orchestration {
    text-align: center;
    margin-bottom: 40px;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    letter-spacing: 0.1em;
}

.program-orchestration .label {
    color: var(--accent-gold);
}

.program-orchestration .divider {
    display: inline-block;
    width: 1px;
    height: 14px;
    background-color: rgba(255, 255, 255, 0.3);
    margin: 0 15px;
    vertical-align: middle;
}

.program-orchestration .value {
    color: var(--text-color);
}

.program-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.program-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--glass-border);
    transition: border-color 0.3s ease;
}

.program-item:hover {
    border-color: var(--accent-gold);
}

.program-item .composer {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    width: 30%;
}

.program-item .piece {
    font-family: var(--font-serif);
    font-size: 1rem;
    width: 70%;
    text-align: right;
}

.program-item.special {
    background: rgba(212, 175, 55, 0.05); /* Very subtle gold tint */
    border-bottom: 1px solid var(--accent-gold);
    flex-direction: row; /* Keep row layout like others */
    align-items: flex-start; /* Align to top */
    padding: 20px 0; /* Match vertical spacing */
    margin: 0;
    border-top: none;
    border-left: none;
    border-right: none;
}

.program-item.special .composer {
    color: var(--accent-gold); /* Highlight the "Category" */
    font-weight: 500;
}

.program-item.special .piece-container {
    width: 70%;
    text-align: right;
}

.program-item.special .piece {
    width: 100%;
    text-align: right;
    font-size: 1.1rem; /* Match other pieces */
    margin-bottom: 5px;
    display: block;
}

.program-item.special .note {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    display: block;
    margin-top: 5px;
    text-wrap: balance;
    word-break: auto-phrase;
}

.program-note {
    text-align: center;
    margin-top: 40px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Tickets */
.ticket-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.ticket-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    text-align: center;
    padding: 40px 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ticket-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border-color: var(--accent-gold);
}

.ticket-name {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--accent-gold);
    margin-bottom: 10px;
}

.ticket-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.ticket-price {
    font-size: 1.5rem;
    font-weight: 500;
}

.ticket-note {
    font-size: 0.8rem;
    color: var(--accent-gold);
    margin-top: 5px;
}

.ticket-action {
    text-align: center;
}

.ticket-btn {
    display: inline-block;
    padding: 15px 50px;
    background: transparent;
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    text-decoration: none;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
}

.ticket-btn:hover {
    background: var(--accent-gold);
    color: #000;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.ticket-btn.disabled {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    border-color: rgba(255, 255, 255, 0.2);
    cursor: not-allowed;
    pointer-events: none;
    transform: none;
    box-shadow: none;
}

/* Access */
.access-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

@media (max-width: 768px) {
    .access-content {
        grid-template-columns: 1fr;
    }
}

.access-info {
    font-family: var(--font-serif);
}

.venue-name {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--accent-gold);
}

.address {
    margin-bottom: 20px;
    font-size: 1rem;
}

.access-routes p {
    margin-bottom: 10px;
    border-left: 2px solid var(--accent-gold);
    padding-left: 15px;
}

.access-map iframe {
    border: 1px solid var(--glass-border) !important;
}

/* Footer */
.footer {
    padding: 50px 20px;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    margin-top: 50px;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--accent-gold);
    margin-bottom: 20px;
}

.copyright {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

.social-cta {
    text-align: center;
    font-family: var(--font-serif);
    color: var(--accent-gold);
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    text-indent: 0.1em; /* Compensate for letter-spacing to center text visually */
    width: 100%;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    margin-top: 1rem;
    position: relative;
    z-index: 10;
}

.footer .social-links {
    margin-top: 1rem;
    margin-bottom: 1.5rem;
}

.social-icon {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease, transform 0.3s ease;
}

.social-icon svg {
    width: 30px;
    height: 30px;
}

.social-icon:hover {
    color: var(--accent-gold);
    transform: translateY(-2px);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Notice */
.notice-list {
    max-width: 800px;
    margin: 0 auto;
    list-style: none;
}

.notice-item {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: center;
}

.notice-inner {
    text-align: left;
}

.notice-item:last-child {
    border-bottom: none;
}

.notice-title {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--accent-gold);
    margin-bottom: 10px;
    font-weight: 500;
}

.notice-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .header {
        padding: 15px 20px;
    }

    .nav {
        display: none; /* Mobile menu not implemented for simplicity, or could add hamburger */
    }
    
    .section {
        padding: 80px 20px;
    }
    
    .program-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .program-item .composer {
        width: 100%;
        margin-bottom: 5px;
    }
    
    .program-item .piece {
        width: 100%;
        text-align: left;
    }

    /* Fix for special program item on mobile */
    .program-item.special {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .program-item.special .piece-container {
        width: 100%;
        text-align: left;
    }
    
    .program-item.special .piece {
        text-align: left;
    }
}

/* Program Detail Page */
.detail-page {
    background-color: var(--bg-color);
}

.program-detail {
    padding-top: 120px;
    min-height: 100vh;
}

.detail-header {
    text-align: center;
    margin-bottom: 3rem;
}

.detail-composer {
    display: block;
    font-family: 'Zen Old Mincho', serif;
    font-size: 1.2rem;
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

.detail-title {
    font-family: 'Zen Old Mincho', serif;
    font-size: 2rem;
    color: var(--text-color);
    font-weight: 500;
}

.detail-content {
    max-width: 800px;
    margin: 0 auto;
}

.detail-video {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #000;
    margin-bottom: 2rem;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.detail-video video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.video-placeholder-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(255, 255, 255, 0.5);
    font-size: 1rem;
    pointer-events: none;
    z-index: 0;
}

.detail-video video[src]:not([src=""]) + .video-placeholder-text {
    display: none;
}

.detail-text {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    font-size: 1.05rem;
    margin-bottom: 4rem;
    text-align: justify;
}

.detail-text p {
    margin-bottom: 1.5rem;
}

.detail-footer {
    text-align: center;
    margin-bottom: 4rem;
}

.back-btn {
    display: inline-block;
    padding: 0.8rem 2.5rem;
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    text-decoration: none;
    font-family: 'Zen Kaku Gothic New', sans-serif;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}

.back-btn:hover {
    background-color: var(--accent-gold);
    color: var(--bg-color);
}

/* Hover effect for Program Items in Index */
.program-item {
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease;
    display: flex; /* Ensure flex is preserved */
}

.program-item:hover {
    transform: translateX(10px);
    background-color: rgba(255, 255, 255, 0.02);
}

.program-item.special {
    cursor: default;
}

.program-item.special:hover {
    transform: none;
    background-color: transparent;
}


/* ensure anchor tag behaves like the div */
/* ensure anchor tag behaves like the div */
a.program-item {
    text-decoration: none !important;
    color: inherit !important;
    display: flex;
    width: 100%;
    box-sizing: border-box; 
}

a.program-item:hover {
    text-decoration: none !important;
    color: inherit !important;
}

a.program-item * {
    text-decoration: none !important;
    color: inherit !important;
}

/* Arrow for clickable program items */
a.program-item .piece {
    width: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-end; /* PC: Stacked, Right aligned */
    text-align: right;
    line-height: 1.4;
}

a.program-item .piece::after {
    content: "Read →";
    font-family: var(--font-sans);
    font-size: 0.8rem;
    color: var(--accent-gold);
    margin-top: 2px;
    opacity: 0.9;
    transition: transform 0.3s ease;
}

a.program-item:hover .piece::after {
    transform: translateX(3px);
}

/* Remove ::after from container if it existed previously */
a.program-item::after {
    content: none;
}

@media (max-width: 768px) {
    a.program-item .piece {
        flex-direction: row;        /* Mobile: Row */
        justify-content: space-between; /* Space between title and Read */
        align-items: center;
        text-align: left;           /* Title aligns left */
        width: 100%;
    }

    a.program-item .piece::after {
        margin-top: 0;
        margin-left: 10px;
        white-space: nowrap;
    }
}

/* Manga de Opera Section */
.manga-links {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.manga-link-card {
    display: block;
    width: 300px;
    padding: 30px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    text-decoration: none;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.manga-link-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-gold);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.manga-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.manga-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--accent-gold);
    margin-bottom: 5px;
}

.manga-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 20px;
    font-style: italic;
}

.manga-btn {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.manga-link-card:hover .manga-btn {
    background: var(--accent-gold);
    color: var(--bg-color);
}

.manga-btn .arrow {
    display: inline-block;
    transition: transform 0.3s ease;
    margin-left: 5px;
}

.manga-link-card:hover .arrow {
    transform: translateX(5px);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: rgba(212, 175, 55, 0.2);
    border: 1px solid var(--accent-gold);
    border-radius: 50%;
    color: var(--accent-gold);
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    z-index: 1000;
}

.back-to-top:hover {
    background: var(--accent-gold);
    color: var(--bg-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}


/* Ticket CTA (New) */
.ticket-cta-container {
    text-align: center;
    margin: 3rem auto 6rem auto;
    width: 100%;
    max-width: 600px;
    padding: 0 20px;
}

.ticket-cta-btn {
    display: inline-block;
    padding: 20px 60px;
    background: transparent; /* Match standard button default */
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    text-decoration: none;
    font-family: var(--font-serif);
    font-size: 1.3rem; 
    letter-spacing: 0.2em;
    transition: all 0.3s ease;
    width: 100%;
    position: relative;
    overflow: hidden;
    font-weight: 500;
}

.ticket-cta-btn:hover:not(.disabled) {
    background: var(--accent-gold); /* Standard solid gold hover */
    color: var(--bg-color); /* Standard dark text on gold */
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.4); /* Keep subtle glow for prominence */
    transform: translateY(-2px);
    border-color: var(--accent-gold);
}

.ticket-cta-btn.disabled {
    cursor: not-allowed;
    opacity: 0.85; /* Subtle reduction, not gray */
    pointer-events: none; /* Disable standard interactions */
}

.ticket-cta-note {
    display: block;
    font-size: 1.1rem;
    margin-top: 10px;
    font-family: var(--font-serif); /* Changed to Serif */
    opacity: 0.8;
    letter-spacing: 0.1em;
}


@media (max-width: 768px) {
    .detail-title {
        font-size: 1.3rem;
    }
}