:root {
    --bg-dark: #010101;
    --bg-card: #1a1a1a;
    --text-primary: #e8e8e8;
    --text-secondary: #a0a0a0;
    --accent: #d4af37;
    --border: #2a2a2a;
    --font-en: 'Cormorant Garamond', serif;
}

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

body {
    font-family: 'Noto Serif JP', serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

/* ヘッダー・ナビゲーション */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: transform 0.3s ease;
}

nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

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

.nav-links a.active {
    color: var(--text-primary);
}

/* ハンバーガーメニュー */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* メインコンテンツ */
main {
    margin-top: 80px;
    min-height: 100vh;
}

section {
    display: none;
    opacity: 0;
}

section.active {
    display: block;
    animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* ホームセクション */
#home {
    position: relative;
    min-height: calc(100vh - 80px);
    display: none;
    align-items: center;
    justify-content: center;

}

#home.active {
    display: flex;
}

.hero-content {
    text-align: center;
    z-index: 2;
    padding: 2rem 1.5rem;
    width: 100%;

}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 300;
    letter-spacing: 0.3em;
    margin-bottom: 1rem;
    line-height: 1.2;
    font-family: var(--font-en);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    letter-spacing: 0.2em;
    color: var(--text-secondary);
    margin-bottom: 4rem;
}

/* ロゴ画像 */
.hero-logo {
    margin-bottom: 1.5rem;
}

.hero-logo-img {
    max-height: 30vh;
    width: auto;
    max-width: 50vw;
    display: block;
    margin: 0 auto;
}

.hero-logo-text {
    margin-top: 0.8rem;
    font-family: var(--font-en);
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 0.25em;
    color: var(--text-primary);
    text-align: center;
}

.hero-logo-subtext {
    margin-top: 0.3rem;
    font-family: var(--font-en);
    font-size: 0.85rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
    text-align: center;
}

.home-info-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.home-info-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem 1.5rem;
    width: 100%;

    backdrop-filter: blur(10px);
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.home-info-box:hover {
    border-color: var(--accent);
}

.home-info-box h3 {
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 1rem;
    font-weight: 400;
}

.home-info-content {
    font-size: 0.95rem;
    line-height: 1.8;
}

.home-news-date, .home-live-date {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.next-live {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem 1.5rem;
    width: 100%;

    max-width: 500px;
    margin: 0 auto;
    backdrop-filter: blur(10px);
}

.next-live h3 {
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 1rem;
    font-weight: 400;
}

.next-live-info {
    font-size: 0.95rem;
    line-height: 1.8;
}

.next-live-date {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

/* コンテンツセクション */
.content-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
    min-height: calc(100vh - 80px - 200px);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 300;
    letter-spacing: 0.2em;
    margin-bottom: 3rem;
    text-align: center;
    font-family: var(--font-en);
}

/* ライブスケジュール */
.live-list {
    display: grid;
    gap: 1.5rem;
}

.live-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem 1.5rem;
    width: 100%;

}

.live-date {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 1rem;
    font-family: var(--font-en);
}

.live-venue {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.live-details {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

.past-live-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
}

.past-live-link:hover {
    color: var(--accent);
}

/* NEWS */
.news-list {
    display: grid;
    gap: 1.5rem;
}

.news-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2rem 1.5rem;
    width: 100%;

}

.news-date {
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: 1rem;
    font-family: var(--font-en);
}

.news-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.news-content {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* バイオグラフィ */
.bio-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1rem;
    line-height: 2;
}

.bio-content p {
    margin-bottom: 1.5rem;
}

/* メンバーリスト（中央寄せ） */
.members-list {
    max-width: 600px;
    margin: 3rem auto 0;
    border-top: 1px solid var(--border);
}

.member-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.member-row-ja {
    font-size: 1.05rem;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: 0.15rem;
}

.member-row-en {
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    font-family: var(--font-en);
    padding-left: 1em;
}

.member-link {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
    transition: color 0.3s ease, border-color 0.3s ease;
    margin-left: 0.5em;
}

.member-link:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* ディスコグラフィ */
.discography-section-title {
    font-size: 1.85rem;
    font-family: var(--font-en);
    letter-spacing: 0.25em;
    color: var(--text-secondary);
    font-weight: 400;
    margin: 3rem 0 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.discography-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5rem;
    margin-top: 0;
}

@media (max-width: 768px) {
    .discography-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

.album-item {
    text-align: center;
}

.album-cover {
    width: 100%;
    aspect-ratio: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;

    position: relative;
}

.album-cover img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.album-cover .album-placeholder {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.album-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.album-year {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.shop-link-button {
    display: inline-block;
    padding: 0.8rem 2rem;
    color: var(--accent);
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 0.1em;
    border: 1px solid var(--accent);
    transition: all 0.3s ease;
}

.shop-link-button:hover {
    background: var(--accent);
    color: var(--bg-dark);
}

/* コンタクト */
.contact-info {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-email {
    font-size: 1.2rem;
    margin: 2rem 0;
}

.contact-email a {
    color: var(--accent);
    text-decoration: none;
}

.contact-email a:hover {
    text-decoration: underline;
}

/* ローディング表示 */
.loading {
    color: var(--text-secondary);
    text-align: center;
    padding: 2rem 1.5rem;
    width: 100%;

    font-size: 0.9rem;
}

.error-message {
    color: #ff6b6b;
    text-align: center;
    padding: 2rem 1.5rem;
    width: 100%;

    font-size: 0.9rem;
}

.no-lives {
    color: var(--text-secondary);
    text-align: center;
    padding: 2rem 1.5rem;
    width: 100%;

    font-size: 0.9rem;
}

/* フッター */
footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 3rem 2rem;
    margin-top: 6rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.social-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--accent);
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
}

/* レスポンシブ */
@media (max-width: 768px) {
    nav {
        padding: 1rem 1.5rem;
    }

    .logo {
        font-size: 1rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        max-width: 300px;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 6rem 2rem 2rem;
        gap: 1.5rem;
        transition: right 0.3s ease;
        border-left: 1px solid var(--border);
    }

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

    .menu-toggle {
        display: flex;
    }

    .hero-title {
        letter-spacing: 0.2em;
    }

    .hero-subtitle {
        letter-spacing: 0.15em;
    }
    
    .home-info-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .home-info-box {
        padding: 1.2rem;
    }

    .content-section {
        padding: 3rem 1.5rem;
    }

    .section-title {
        margin-bottom: 1.5rem;
    }

    .social-links {
        gap: 1.5rem;
    }
}

/* 会場HP/MAPリンク */
.venue-links {
    display: inline-flex;
    gap: 0.4rem;
    margin-left: 0.7rem;
    vertical-align: middle;
}

.venue-link {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: 0.05em;
    border: 1px solid var(--border);
    padding: 0.1rem 0.4rem;
    transition: color 0.2s ease, border-color 0.2s ease;
    font-family: var(--font-en);
}

.venue-link:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* ライブ イベント名 */
.live-event-name {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.03em;
}