/* ================================================
   グローバルスタイル
   ================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-black: #0a0a0a;
    --secondary-black: #1a1a1a;
    --gold: #c9a961;
    --light-gold: #d4b76e;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --medium-gray: #999999;
    --dark-gray: #333333;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Serif JP', serif;
    background-color: var(--primary-black);
    color: var(--white);
    line-height: 1.8;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ================================================
   ヒーローセクション
   ================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0a0a0a 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(201, 169, 97, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(201, 169, 97, 0.08) 0%, transparent 50%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><rect width="100" height="100" fill="none"/><path d="M0 0L100 100M100 0L0 100" stroke="rgba(201,169,97,0.03)" stroke-width="0.5"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 40px 20px;
    animation: fadeInUp 1.2s ease-out;
}

.hero-subtitle {
    font-family: 'Playfair Display', serif;
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    color: var(--gold);
    margin-bottom: 20px;
    text-transform: uppercase;
    animation: fadeIn 1.5s ease-out;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 30px;
}

.artist-name {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--gold);
    text-transform: uppercase;
    line-height: 1;
    animation: fadeInScale 1s ease-out 0.3s backwards;
}

.concert-type {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 5vw, 3.5rem);
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--white);
    line-height: 1;
    animation: fadeInScale 1s ease-out 0.5s backwards;
}

.location {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.2rem, 3vw, 2rem);
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--gold);
    animation: fadeInScale 1s ease-out 0.7s backwards;
}

.hero-catchphrase {
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    color: var(--light-gray);
    margin-bottom: 40px;
    animation: fadeIn 1.5s ease-out 0.9s backwards;
}

.hero-image-container {
    max-width: 400px;
    margin: 0 auto;
    animation: fadeInUp 1.5s ease-out 1s backwards;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 2px solid var(--gold);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--gold);
    animation: fadeIn 2s ease-out 1.5s backwards;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    animation: scrollAnimation 2s ease-in-out infinite;
}

/* ================================================
   ナビゲーション
   ================================================ */
.main-nav {
    position: sticky;
    top: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(201, 169, 97, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    padding: 20px;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.3s ease;
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-link.cta-link {
    background: var(--gold);
    color: var(--primary-black);
    padding: 10px 25px;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-link.cta-link::after {
    display: none;
}

.nav-link.cta-link:hover {
    background: var(--light-gold);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(201, 169, 97, 0.3);
}

/* ================================================
   セクション共通スタイル
   ================================================ */
section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.title-en {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--gold);
    text-transform: uppercase;
}

.title-ja {
    font-size: 1rem;
    letter-spacing: 0.2em;
    color: var(--medium-gray);
}

/* ================================================
   開催趣旨セクション
   ================================================ */
.about-section {
    background: var(--secondary-black);
    position: relative;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gold), transparent);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.05rem;
    line-height: 2;
}

.lead-text {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 40px;
    line-height: 1.8;
    text-align: center;
}

.about-text p {
    margin-bottom: 30px;
    text-align: justify;
}

.highlight-box {
    background: rgba(201, 169, 97, 0.1);
    border-left: 3px solid var(--gold);
    padding: 30px;
    margin-top: 40px;
    border-radius: 5px;
}

.highlight-text {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 15px;
    text-align: center;
}

.sub-highlight {
    font-size: 1rem;
    text-align: center;
    margin-bottom: 0;
}

/* ================================================
   公演情報セクション
   ================================================ */
.concerts-section {
    background: var(--primary-black);
}

.concerts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.concert-card {
    background: var(--secondary-black);
    border: 1px solid rgba(201, 169, 97, 0.2);
    border-radius: 10px;
    padding: 40px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.concert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(to right, var(--gold), var(--light-gold));
}

.concert-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(201, 169, 97, 0.2);
    border-color: var(--gold);
}

.concert-date {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 20px;
}

.date-large {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
}

.date-day {
    font-size: 1.5rem;
    color: var(--white);
}

.concert-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--gold);
}

.concert-place {
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.concert-address {
    font-size: 0.9rem;
    color: var(--medium-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.concert-time {
    margin: 25px 0;
    padding: 20px;
    background: rgba(201, 169, 97, 0.1);
    border-radius: 5px;
}

.concert-time p {
    font-size: 1.1rem;
    text-align: center;
}

.concert-time strong {
    color: var(--gold);
    margin-right: 5px;
}

.special-event {
    background: rgba(201, 169, 97, 0.15);
    padding: 15px;
    border-radius: 5px;
    margin: 20px 0;
    border: 1px dashed var(--gold);
}

.special-label {
    color: var(--gold);
    font-weight: 600;
    margin-bottom: 5px;
}

.concert-price {
    margin: 20px 0;
    padding: 15px;
    background: rgba(201, 169, 97, 0.1);
    border-radius: 5px;
    text-align: center;
}

.concert-price strong {
    color: var(--gold);
    font-size: 1.3rem;
}

.ticket-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
    padding: 15px 30px;
    background: var(--gold);
    color: var(--primary-black);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.ticket-button:hover {
    background: var(--light-gold);
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.4);
}

.button-arrow {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.ticket-button:hover .button-arrow {
    transform: translateX(5px);
}

/* チケットCTAセクション */
.ticket-cta-section {
    margin-top: 80px;
}

.ticket-cta-box {
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.15) 0%, rgba(201, 169, 97, 0.05) 100%);
    border: 2px solid var(--gold);
    border-radius: 15px;
    padding: 50px;
    text-align: center;
}

.ticket-cta-box h3 {
    font-size: 2rem;
    color: var(--gold);
    margin-bottom: 20px;
}

.ticket-cta-box p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    line-height: 1.8;
}

.ticket-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    padding: 18px 40px;
    border-radius: 35px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    letter-spacing: 0.05em;
}

.cta-button.primary {
    background: var(--gold);
    color: var(--primary-black);
}

.cta-button.primary:hover {
    background: var(--light-gold);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.4);
}

.cta-button.secondary {
    background: transparent;
    color: var(--gold);
    border: 2px solid var(--gold);
}

.cta-button.secondary:hover {
    background: var(--gold);
    color: var(--primary-black);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.4);
}

/* ================================================
   プログラムセクション
   ================================================ */
.program-section {
    background: var(--secondary-black);
    position: relative;
}

.program-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gold), transparent);
}

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

.program-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gold);
    margin-bottom: 40px;
    font-weight: 600;
}

.program-list {
    background: rgba(201, 169, 97, 0.05);
    border: 1px solid rgba(201, 169, 97, 0.2);
    border-radius: 10px;
    padding: 40px;
}

.program-item {
    padding: 25px 0;
    border-bottom: 1px solid rgba(201, 169, 97, 0.1);
}

.program-item:last-of-type {
    border-bottom: none;
}

.composer {
    font-size: 1rem;
    color: var(--gold);
    margin-bottom: 10px;
    font-weight: 600;
}

.piece {
    font-size: 1.1rem;
    line-height: 1.6;
}

.program-note {
    text-align: center;
    margin-top: 30px;
    font-size: 1rem;
    color: var(--medium-gray);
    font-style: italic;
}

/* ================================================
   プロフィールセクション
   ================================================ */
.profile-section {
    background: var(--primary-black);
}

.profile-content {
    max-width: 900px;
    margin: 0 auto;
}

.profile-name {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(201, 169, 97, 0.2);
}

.profile-name h3 {
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.profile-name-en {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--medium-gray);
    font-weight: 400;
}

.profile-title {
    font-size: 1.1rem;
    color: var(--medium-gray);
    letter-spacing: 0.1em;
}

.profile-text {
    font-size: 1.05rem;
    line-height: 2;
}

.profile-text p {
    margin-bottom: 30px;
    text-align: justify;
}

.yamaha-artist {
    color: var(--gold);
    font-weight: 600;
    font-size: 1.1rem;
    text-align: center;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(201, 169, 97, 0.3);
}

.career-highlights {
    background: rgba(201, 169, 97, 0.1);
    border-left: 3px solid var(--gold);
    padding: 30px;
    margin-top: 40px;
    border-radius: 5px;
}

.career-highlights h4 {
    font-size: 1.5rem;
    color: var(--gold);
    margin-bottom: 20px;
}

.career-highlights ul {
    list-style: none;
}

.career-highlights li {
    padding: 15px 0;
    border-bottom: 1px solid rgba(201, 169, 97, 0.1);
    line-height: 1.8;
}

.career-highlights li:last-child {
    border-bottom: none;
}

.career-highlights strong {
    color: var(--gold);
    display: inline-block;
    min-width: 180px;
}

/* ================================================
   チケット購入セクション
   ================================================ */
.tickets-section {
    background: linear-gradient(135deg, var(--secondary-black) 0%, var(--primary-black) 100%);
    position: relative;
}

.tickets-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gold), transparent);
}

.tickets-intro {
    text-align: center;
    font-size: 1.2rem;
    line-height: 2;
    margin-bottom: 60px;
    color: var(--light-gray);
}

.tickets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.ticket-box {
    background: rgba(201, 169, 97, 0.05);
    border: 2px solid var(--gold);
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
}

.ticket-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(201, 169, 97, 0.3);
    background: rgba(201, 169, 97, 0.1);
}

.ticket-date {
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    color: var(--gold);
    margin-bottom: 20px;
    font-weight: 600;
    letter-spacing: 0.1em;
}

.ticket-box h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--white);
}

.ticket-venue {
    font-size: 1.1rem;
    margin-bottom: 15px;
    line-height: 1.6;
}

.ticket-time {
    font-size: 1.2rem;
    color: var(--gold);
    margin: 20px 0;
    font-weight: 600;
}

.ticket-purchase-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 30px 0 20px;
    padding: 18px 40px;
    background: var(--gold);
    color: var(--primary-black);
    text-decoration: none;
    border-radius: 35px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.ticket-purchase-button:hover {
    background: var(--light-gold);
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.4);
}

.ext-link {
    font-size: 1.3rem;
}

.ticket-note {
    font-size: 0.9rem;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ================================================
   お問い合わせセクション
   ================================================ */
.contact-section {
    background: var(--secondary-black);
    position: relative;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gold), transparent);
}

.contact-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.contact-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 2;
}

.contact-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    color: var(--gold);
    text-decoration: none;
    padding: 15px 30px;
    border: 2px solid var(--gold);
    border-radius: 30px;
    transition: all 0.3s ease;
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-link:hover {
    background: var(--gold);
    color: var(--primary-black);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.3);
}

.email-link {
    min-width: 280px;
}

.facebook-link {
    min-width: 180px;
}

/* 旧スタイルの互換性のため残す */
.contact-email {
    display: inline-block;
    font-size: 1.3rem;
    color: var(--gold);
    text-decoration: none;
    padding: 15px 40px;
    border: 2px solid var(--gold);
    border-radius: 30px;
    transition: all 0.3s ease;
}

.contact-email:hover {
    background: var(--gold);
    color: var(--primary-black);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.3);
}

/* ================================================
   フッター
   ================================================ */
.footer {
    background: var(--primary-black);
    border-top: 1px solid rgba(201, 169, 97, 0.2);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info h3 {
    font-size: 1.3rem;
    color: var(--gold);
    margin-bottom: 15px;
}

.footer-info p,
.footer-dates p {
    color: var(--medium-gray);
    line-height: 1.8;
}

.footer-dates p {
    margin-bottom: 10px;
}

.footer-dates strong {
    color: var(--gold);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(201, 169, 97, 0.1);
}

.footer-bottom p {
    font-size: 0.9rem;
    color: var(--medium-gray);
}

/* ================================================
   アニメーション
   ================================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scrollAnimation {
    0% {
        opacity: 0;
        transform: translateY(-10px);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(20px);
    }
}

/* ================================================
   レスポンシブデザイン
   ================================================ */
@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }

    .title-en {
        font-size: 2rem;
    }

    .nav-container {
        gap: 4px;
        padding: 8px 3px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-link {
        font-size: 0.65rem;
        padding: 6px 8px;
        white-space: nowrap;
    }

    .nav-link.cta-link {
        padding: 6px 10px;
        font-size: 0.65rem;
    }

    .concerts-grid,
    .tickets-grid {
        grid-template-columns: 1fr;
    }

    .concert-card,
    .ticket-box {
        padding: 30px 20px;
    }

    .ticket-cta-box {
        padding: 30px 20px;
    }

    .ticket-buttons {
        flex-direction: column;
    }

    .cta-button {
        width: 100%;
        text-align: center;
    }

    .profile-name h3 {
        font-size: 2rem;
    }

    .career-highlights strong {
        display: block;
        margin-bottom: 5px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* ================================================
   公開リハーサルセクション
   ================================================ */
.rehearsal-section {
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 50%, var(--primary-black) 100%);
    position: relative;
}

.rehearsal-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--gold), transparent);
}

.rehearsal-content {
    max-width: 900px;
    margin: 0 auto;
}

.rehearsal-main-box {
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.15) 0%, rgba(201, 169, 97, 0.05) 100%);
    border: 3px solid var(--gold);
    border-radius: 20px;
    padding: 50px;
    position: relative;
    box-shadow: 0 20px 60px rgba(201, 169, 97, 0.2);
}

.rehearsal-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gold);
    color: var(--primary-black);
    padding: 8px 30px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    box-shadow: 0 5px 15px rgba(201, 169, 97, 0.4);
}

.rehearsal-title {
    font-size: 2rem;
    color: var(--gold);
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.5;
}

.rehearsal-lead {
    text-align: center;
    font-size: 1.2rem;
    line-height: 2;
    margin-bottom: 40px;
    color: var(--light-gray);
}

.rehearsal-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.rehearsal-detail-item {
    background: rgba(10, 10, 10, 0.5);
    border: 1px solid rgba(201, 169, 97, 0.3);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
}

.rehearsal-detail-item:hover {
    transform: translateY(-5px);
    border-color: var(--gold);
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.2);
}

.detail-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.detail-content h4 {
    font-size: 0.9rem;
    color: var(--gold);
    margin-bottom: 10px;
    letter-spacing: 0.1em;
}

.detail-content p {
    font-size: 1.1rem;
    line-height: 1.6;
}

.free-badge {
    color: var(--gold);
    font-weight: 700;
    font-size: 1.3rem !important;
}

.rehearsal-description {
    background: rgba(201, 169, 97, 0.05);
    border-left: 4px solid var(--gold);
    padding: 30px;
    border-radius: 10px;
    margin: 40px 0;
}

.rehearsal-description h4 {
    font-size: 1.3rem;
    color: var(--gold);
    margin-bottom: 20px;
}

.rehearsal-description ul {
    list-style: none;
    padding-left: 0;
}

.rehearsal-description li {
    padding: 12px 0 12px 30px;
    position: relative;
    line-height: 1.8;
    font-size: 1.05rem;
}

.rehearsal-description li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--gold);
    font-weight: bold;
    font-size: 1.2rem;
}

.rehearsal-note {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px dashed rgba(201, 169, 97, 0.3);
    font-size: 0.95rem;
    color: var(--medium-gray);
    line-height: 1.8;
}

.rehearsal-cta {
    text-align: center;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(201, 169, 97, 0.2);
}

.rehearsal-cta-text {
    font-size: 1.2rem;
    color: var(--gold);
    margin-bottom: 20px;
    font-weight: 600;
}

.rehearsal-ticket-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 40px;
    background: var(--gold);
    color: var(--primary-black);
    text-decoration: none;
    border-radius: 35px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.rehearsal-ticket-button:hover {
    background: var(--light-gold);
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.4);
}

/* ================================================
   コンサートの意義セクション
   ================================================ */
.significance-section {
    background: var(--secondary-black);
    position: relative;
}

.significance-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gold), transparent);
}

.significance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.significance-item {
    background: rgba(201, 169, 97, 0.05);
    border: 1px solid rgba(201, 169, 97, 0.2);
    border-radius: 15px;
    padding: 35px;
    transition: all 0.3s ease;
    position: relative;
}

.significance-item:hover {
    transform: translateY(-10px);
    border-color: var(--gold);
    box-shadow: 0 15px 40px rgba(201, 169, 97, 0.2);
    background: rgba(201, 169, 97, 0.1);
}

.significance-number {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 700;
    color: rgba(201, 169, 97, 0.3);
    line-height: 1;
    margin-bottom: 15px;
}

.significance-item h3 {
    font-size: 1.3rem;
    color: var(--gold);
    margin-bottom: 15px;
    line-height: 1.5;
}

.significance-item p {
    font-size: 1rem;
    line-height: 1.9;
    text-align: justify;
}

.news-box {
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.15) 0%, rgba(201, 169, 97, 0.05) 100%);
    border: 2px solid var(--gold);
    border-radius: 20px;
    padding: 40px;
    margin-top: 40px;
}

.news-box h3 {
    font-size: 1.8rem;
    color: var(--gold);
    margin-bottom: 25px;
    text-align: center;
}

.news-content p {
    font-size: 1.05rem;
    line-height: 2;
    margin-bottom: 20px;
}

.news-content strong {
    color: var(--gold);
    font-size: 1.2rem;
    display: block;
    margin-bottom: 10px;
}

.news-highlight {
    background: rgba(201, 169, 97, 0.1);
    padding: 20px;
    border-left: 4px solid var(--gold);
    border-radius: 5px;
    margin-top: 20px;
    font-weight: 600;
    color: var(--gold);
}

@media (max-width: 480px) {
    .hero-subtitle {
        font-size: 0.7rem;
    }

    .hero-catchphrase {
        font-size: 0.95rem;
    }

    .nav-container {
        gap: 3px;
        padding: 6px 2px;
    }

    .nav-link {
        font-size: 0.6rem;
        padding: 5px 6px;
    }

    .nav-link.cta-link {
        padding: 5px 8px;
        font-size: 0.6rem;
    }

    .date-large {
        font-size: 2.5rem;
    }

    .concert-info h3 {
        font-size: 1.5rem;
    }

    .lead-text {
        font-size: 1.1rem;
    }

    .ticket-cta-box h3 {
        font-size: 1.5rem;
    }

    .rehearsal-main-box {
        padding: 30px 20px;
    }

    .rehearsal-title {
        font-size: 1.5rem;
    }

    .rehearsal-details {
        grid-template-columns: 1fr;
    }

    .significance-grid {
        grid-template-columns: 1fr;
    }

    .news-box {
        padding: 25px 20px;
    }

    .contact-links {
        flex-direction: column;
        align-items: center;
    }

    .contact-link {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}
