/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700&family=Noto+Sans+JP:wght@300;400&display=swap');

/* --- CSS Reset & Basic Styles --- */
:root {
    --bg-color: #121212;
    --text-color: #E0E0E0;
    --gold-color: #8B7355;
    --gold-hover-color: #A0522D;
    --header-height: 80px;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Noto Sans JP', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    font-weight: 300;
    line-height: 2.0;
    overflow-x: hidden;
}

/* --- Global Elements --- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 60px;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.4;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 50px;
    padding-bottom: 25px;
    position: relative;
    text-align: center;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background-color: var(--gold-color);
}

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

section {
    padding: 120px 0;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

a {
    color: var(--gold-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* --- Header & Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    background-color: rgba(18, 18, 18, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: background-color 0.3s ease;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    font-size: 0.9rem;
    color: var(--text-color);
    text-decoration: none;
    position: relative;
    padding: 5px 0;
}

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

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

.hamburger {
    display: none;
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(18, 18, 18, 0.6), rgba(18, 18, 18, 0.6)), url(../images/common/artist_cover03.jpg) no-repeat center center/cover;
    filter: grayscale(100%);
    padding-top: var(--header-height);
}

.hero-content h1 {
    font-size: 2.2rem;
    color: #fff;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-color);
    letter-spacing: 2px;
}

/* --- Topics/Schedule List Style --- */
.info-list {
    list-style: none;
    max-width: 800px;
    margin: 40px auto 0;
    padding: 0;
}

.info-list li {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px solid #333;
}

.info-list .date {
    min-width: 160px;
    color: var(--gold-color);
    font-weight: bold;
    font-size: 1.1em;
    flex-shrink: 0;
}

.info-list .title {
    color: #fff;
    font-size: 1.1em;
    line-height: 1.7;
}

.info-list .title a {
    color: var(--gold-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.info-list .title a:hover {
    color: var(--gold-hover-color);
    text-decoration: underline;
}

/* --- Concert Update Info --- */
.concert-update-info {
    text-align: center;
    margin-bottom: 30px;
    padding: 15px 20px;
    background-color: rgba(139, 115, 85, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(139, 115, 85, 0.2);
}

.concert-update-info p {
    margin: 0;
    color: #ccc;
    font-size: 0.95em;
    line-height: 1.5;
}

/* --- Business Section --- */
.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.business-card {
    background-color: rgba(255, 255, 255, 0.02);
    padding: 40px;
    border-radius: 10px;
    border: 1px solid rgba(212, 175, 55, 0.1);
    transition: all 0.3s ease;
}

.business-card:hover {
    background-color: rgba(212, 175, 55, 0.05);
    transform: translateY(-5px);
}

.business-card h3 {
    margin-bottom: 20px;
    font-size: 1.6rem;
}

.business-card p {
    line-height: 1.8;
    color: #ccc;
}

/* --- Artist List --- */
.artist-category {
    margin-bottom: 80px;
}

.category-title {
    font-size: 2rem;
    color: var(--gold-color);
    margin-bottom: 40px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.category-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background-color: var(--gold-color);
}

.artist-list {
    margin-top: 40px;
}

.artist-item {
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 40px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    transition: background-color 0.3s ease;
}

.artist-item:hover {
    background-color: rgba(212, 175, 55, 0.05);
}

.artist-item img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
}

.artist-item h3 {
    margin-bottom: 15px;
}

.artist-item p {
    line-height: 1.8;
    margin-bottom: 15px;
}

.coming-soon {
    background-color: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 10px;
}

.coming-soon-content {
    text-align: center;
    padding: 40px;
}

.coming-soon-content h3 {
    color: var(--gold-color);
    margin-bottom: 15px;
}

.coming-soon-content p {
    color: #888;
    font-style: italic;
}

/* --- CTA Section --- */
.cta-section {
    /*background-color: rgba(212, 175, 55, 0.05);*/
    text-align: center;
}

.btn {
    display: inline-block;
    margin-top: 30px;
    margin-right: 10px;
    padding: 15px 40px;
    background-color: var(--gold-color);
    color: var(--bg-color);
    font-family: var(--font-body);
    font-weight: 400;
    text-decoration: none;
    border: 1px solid var(--gold-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.btn:hover {
    background-color: transparent;
    color: var(--gold-color);
}

/* --- Contact --- */
.contact {
    background-color: #262626;
    padding: 60px 0;
    text-align: center;
    font-size: 0.9rem;
}
/* --- Footer --- */
.footer {
    background-color: #0A0A0A;
    padding: 60px 0;
    text-align: center;
    font-size: 0.9rem;
}

.footer-links {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.copyright {
    color: #888;
    margin-top: 30px;
}

/* --- SNS Links in Footer --- */
.sns-links {
    display: flex;
    justify-content: center;
    gap: 28px;
    margin: 28px 0 18px 0;
}
.sns-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.08);
    color: var(--gold-color);
    font-size: 2rem;
    transition: background 0.3s, color 0.3s, transform 0.2s;
}
.sns-links a:hover {
    background: var(--gold-color);
    color: var(--bg-color);
    transform: translateY(-4px) scale(1.08);
}

footer h3 {
    color: var(--gold-color);
    font-size: 1.3rem;
    margin-bottom: 10px;
}
footer p {
    color: #ccc;
    font-size: 1rem;
    margin-bottom: 0.5em;
}

/* --- Footer Centering & Spacing --- */
footer, .footer, .footer .container {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.sns-links {
    justify-content: center;
    align-items: center;
    margin: 38px 0 28px 0;
}
.sns-links a {
    margin: 0 6px;
}
footer {
    padding-top: 70px;
    padding-bottom: 70px;
}
.copyright {
    margin-top: 40px;
}
@media (max-width: 600px) {
    .sns-links {
        margin: 28px 0 18px 0;
    }
    footer {
        padding-top: 38px;
        padding-bottom: 38px;
    }
    .copyright {
        margin-top: 24px;
    }
}

/* --- Profile Toggle Styles --- */
.profile-toggle {
    margin-top: 20px;
}

.toggle-button {
    background: linear-gradient(135deg, var(--gold-color), var(--gold-hover-color));
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-family: var(--font-body);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(139, 115, 85, 0.3);
}

.toggle-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 115, 85, 0.4);
}

.toggle-icon {
    transition: transform 0.3s ease;
}

.profile-details {
    margin-top: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 4px solid var(--gold-color);
}

.profile-details p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.profile-details p:last-child {
    margin-bottom: 0;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .container {
        padding: 0 30px;
    }

    h2 {
        font-size: 2rem;
        margin-bottom: 40px;
        padding-bottom: 20px;
    }

    section {
        padding: 80px 0;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 40px;
        transition: left 0.5s ease;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links a {
        font-size: 1.2rem;
    }

    .hamburger {
        display: block;
        cursor: pointer;
        z-index: 1001;
    }

    .hamburger div {
        width: 25px;
        height: 2px;
        background-color: var(--text-color);
        margin: 5px;
        transition: all 0.3s ease;
    }

    .hamburger.active .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .hamburger.active .line2 {
        opacity: 0;
    }

    .hamburger.active .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .info-list li {
        flex-direction: column;
        gap: 15px;
        padding: 30px 0;
    }

    .info-list .date {
        min-width: auto;
        margin-top: 0;
    }

    .info-list .title {
        margin-left: 0;
    }

    /* Concert Update Info スマホ表示 */
    .concert-update-info {
        margin-bottom: 25px;
        padding: 12px 15px;
    }

    .concert-update-info p {
        font-size: 0.9em;
    }

    /* アーティストリストのスマホ表示調整 */
    .artist-item {
        flex-direction: column;
        text-align: center;
        gap: 25px;
        padding: 40px 20px;
    }

    .artist-item img {
        width: 200px;
        height: 200px;
        order: -1; /* 画像を最初に配置 */
    }

    .artist-item h3 {
        margin-bottom: 15px;
        font-size: 1.5rem;
    }

    .artist-item p {
        text-align: center;
        margin-bottom: 20px;
        line-height: 1.8;
    }

    /* ビジネスカードのスマホ表示調整 */
    .business-grid {
        gap: 30px;
        margin-top: 40px;
    }

    .business-card {
        padding: 30px 25px;
    }

    .business-card h3 {
        margin-bottom: 15px;
        font-size: 1.4rem;
    }

    .business-card p {
        line-height: 1.8;
    }
}

@media (max-width: 600px) {
    .sns-links {
        gap: 18px;
    }
    .sns-links a {
        width: 38px;
        height: 38px;
        font-size: 1.4rem;
    }
    footer h3 {
        font-size: 1.05rem;
    }
    footer p {
        font-size: 0.92rem;
    }
}

/* Profile Section Styles */
#profile {
    padding: 10px 0;
    background-color: #1a1a1a;
    color: #fff;
}

.profile-grid {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 auto;
}

.profile-content {
    background: #242424;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.profile-content h2 {
    font-size: 2.2em;
    color: #fff;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.profile-content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--gold-color);
}

.profile-content img {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 8px;
    margin: 0 auto 30px;
    display: block;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.profile-content p {
    font-size: 1.1em;
    line-height: 1.8;
    color: #e0e0e0;
    margin-bottom: 40px;
    text-align: justify;
}

.profile-content h3 {
    font-size: 1.5em;
    color: #fff;
    margin: 40px 0 20px;
    padding-left: 15px;
    border-left: 4px solid var(--gold-color);
}

.profile-list {
    list-style: none;
    padding: 0;
    margin: 0 0 30px;
}

.profile-list li {
    position: relative;
    padding: 12px 0 12px 25px;
    font-size: 1.05em;
    line-height: 1.6;
    color: #e0e0e0;
    border-bottom: 1px solid #333;
}

.profile-list li:last-child {
    border-bottom: none;
}

.profile-list li::before {
    content: '•';
    color: var(--gold-color);
    position: absolute;
    left: 0;
    font-size: 1.2em;
}

.repertoire {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.repertoire-section {
    background: #2a2a2a;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.repertoire-section h4 {
    color: #fff;
    font-size: 1.2em;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--gold-color);
}

.repertoire-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.repertoire-section ul li {
    padding: 8px 0;
    font-size: 1em;
    color: #e0e0e0;
    position: relative;
    padding-left: 20px;
}

.repertoire-section ul li::before {
    content: '→';
    color: var(--gold-color);
    position: absolute;
    left: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .profile-content {
        padding: 30px 20px;
    }

    .profile-content h2 {
        font-size: 1.8em;
    }

    .profile-content img {
        max-width: 100%;
    }

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

    .profile-content p {
        font-size: 1em;
    }

    .profile-list li {
        font-size: 1em;
    }

    .category-title {
        font-size: 1.6rem;
        margin-bottom: 30px;
    }

    .artist-category {
        margin-bottom: 60px;
    }

    .coming-soon-content {
        padding: 30px 20px;
    }
}

/* --- Reservation Form Styles --- */
.reservation-page main {
    padding-top: var(--header-height);
}

.reservation-section {
    padding-top: 80px;
    padding-bottom: 80px;
}

.reservation-container {
    max-width: 800px;
    margin: 0 auto;
}

.reservation-container h1 {
    font-family: var(--font-heading);
    font-size: 2.1rem;
    text-align: center;
    margin-bottom: 24px;
}

.reservation-note {
    font-size: 0.92rem;
    color: #cccccc;
    margin-bottom: 18px;
}

.reservation-section-title {
    margin-top: 12px;
    margin-bottom: 12px;
    font-size: 1.2rem;
    color: var(--gold-color);
    border-left: 3px solid var(--gold-color);
    padding-left: 12px;
}

.reservation-readonly-box,
.reservation-box {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(139, 115, 85, 0.4);
    border-radius: 8px;
    padding: 20px 24px;
    margin-bottom: 24px;
}

.reservation-field {
    margin-bottom: 20px;
}

.reservation-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.reservation-input,
.reservation-textarea,
.reservation-readonly-box select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 4px;
    border: 1px solid #444;
    background-color: #1e1e1e;
    color: var(--text-color);
    font-family: var(--font-body);
    font-size: 0.95rem;
}

.reservation-input:focus,
.reservation-textarea:focus,
.reservation-readonly-box select:focus {
    outline: none;
    border-color: var(--gold-color);
    box-shadow: 0 0 0 1px rgba(139, 115, 85, 0.6);
}

.reservation-textarea {
    min-height: 160px;
    resize: vertical;
}

.reservation-error {
    margin-top: 6px;
    color: #ff8080;
    font-size: 0.85rem;
}

.reservation-dl {
    margin: 0;
}

.reservation-dt {
    font-weight: 600;
    margin-top: 8px;
    color: #ddd;
}

.reservation-dd {
    margin-left: 0;
    margin-bottom: 4px;
    color: #ccc;
}

.reservation-btn-primary,
.reservation-btn-secondary {
    display: inline-block;
    min-width: 180px;
    padding: 12px 28px;
    border-radius: 999px;
    border: 1px solid var(--gold-color);
    background-color: var(--gold-color);
    color: var(--bg-color);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 400;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.reservation-btn-secondary {
    border-color: #666;
    background-color: transparent;
    color: #ddd;
    margin-right: 12px;
}

.reservation-btn-primary:hover {
    background-color: transparent;
    color: var(--gold-color);
    box-shadow: 0 4px 12px rgba(139, 115, 85, 0.3);
    transform: translateY(-1px);
}

.reservation-btn-secondary:hover {
    background-color: #333;
    color: #fff;
}

.reservation-btn-primary:disabled,
.reservation-btn-secondary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

@media (max-width: 768px) {
    .reservation-container {
        padding: 0 10px;
    }

    .reservation-container h1 {
        font-size: 1.8rem;
    }

    .reservation-btn-primary,
    .reservation-btn-secondary {
        width: 100%;
        min-width: 0;
        margin-right: 0;
        margin-bottom: 10px;
    }
}