/* リセットとベース設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    background: linear-gradient(135deg, #37baba 0%, #7fffd4 100%);
    min-height: 100vh;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

/* ヒーローセクション（ホームページ） */
.hero {
    text-align: center;
    padding: 60px 20px 30px;
    min-height: 40vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero-title {
    font-family: "Nico Moji", sans-serif;
    font-size: 5rem;
    color: #ffffff;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px;
    animation: fadeInDown 1s ease;
}

/* ナビゲーションメニュー */
.nav-menu {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.nav-link {
    display: block;
    padding: 20px 40px;
    background: rgba(255, 255, 255, 0.95);
    color: #37baba;
    text-decoration: none;
    border-radius: 12px;
    font-weight: bold;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.nav-link:hover {
    background: #ffffff;
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* ページヘッダー */
.page-header {
    text-align: center;
    padding: 40px 20px 20px;
    position: relative;
}

.page-header h1 {
    font-size: 3rem;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    margin-bottom: 20px;
}

.back-link {
    display: inline-block;
    color: #ffffff;
    text-decoration: none;
    font-size: 1rem;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.back-link:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* セクション */
.section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 30px;
    margin: 30px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 0.6s ease;
}

.section-title {
    font-size: 1.8rem;
    color: #37baba;
    border-bottom: 3px solid #7fffd4;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* プロフィール情報 */
.profile-info p {
    margin: 15px 0;
    font-size: 1.1rem;
    line-height: 1.8;
}

.profile-info strong {
    color: #37baba;
}

/* 好きなもの */
.favorite-item {
    padding: 20px;
    background: rgba(127, 255, 212, 0.1);
    border-radius: 12px;
    margin: 15px 0;
}

.favorite-item h3 {
    color: #37baba;
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.favorite-item p {
    margin: 10px 0;
    line-height: 1.8;
}

/* DJ紹介 */
.dj-intro {
    line-height: 1.8;
}

.dj-intro p {
    margin: 15px 0;
}

/* 今後の出演予定 */
.upcoming-events {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.upcoming-event-item {
    display: block;
    padding: 25px;
    background: linear-gradient(135deg, rgba(127, 255, 212, 0.15) 0%, rgba(55, 186, 186, 0.1) 100%);
    border-radius: 16px;
    border: 2px solid #7fffd4;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.upcoming-event-item::before {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    opacity: 0.3;
}

.upcoming-event-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(127, 255, 212, 0.3);
    border-color: #37baba;
    background: linear-gradient(135deg, rgba(127, 255, 212, 0.25) 0%, rgba(55, 186, 186, 0.15) 100%);
}

.upcoming-event-item .event-title {
    color: #37baba;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 0 15px 0;
    padding-right: 50px;
}

.upcoming-event-item .event-datetime {
    color: #666;
    font-size: 1.1rem;
    font-weight: bold;
    margin: 10px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.upcoming-event-item .event-datetime::before {
    content: '📅';
}

.upcoming-event-item .event-location {
    color: #888;
    font-size: 1rem;
    margin: 10px 0 0 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.upcoming-event-item .event-location::before {
    content: '📍';
}

.no-events {
    text-align: center;
    padding: 40px 20px;
    color: #999;
    font-size: 1.1rem;
}

/* タイムライン */
.timeline {
    margin-top: 20px;
}

.timeline-item {
    display: flex;
    gap: 20px;
    padding: 15px 0;
    border-bottom: 1px solid rgba(55, 186, 186, 0.2);
}

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

.timeline-date {
    color: #37baba;
    font-weight: bold;
    min-width: 140px;
}

.timeline-event {
    flex: 1;
}

/* タブ */
.tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.tab-button {
    padding: 12px 24px;
    background: rgba(127, 255, 212, 0.3);
    border: 2px solid #7fffd4;
    border-radius: 25px;
    color: #37baba;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.tab-button:hover {
    background: rgba(127, 255, 212, 0.5);
}

.tab-button:focus {
    outline: 2px solid #7fffd4;
    outline-offset: 2px;
}

.tab-button.active {
    background: #7fffd4;
    color: #ffffff;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

/* イベント項目 */
.event-item {
    background: rgba(127, 255, 212, 0.1);
    padding: 15px 20px;
    border-radius: 12px;
    margin: 15px 0;
    border-left: 4px solid #7fffd4;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    text-decoration: none;
}

.event-item:hover {
    background: rgba(127, 255, 212, 0.2);
    transform: translateX(5px);
}

/* リンク付きイベント */
a.event-item.event-link {
    text-decoration: none;
    cursor: pointer;
    position: relative;
}

a.event-item.event-link::after {
/*     content: '🔗'; */
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1rem;
    opacity: 0.4;
    transition: opacity 0.3s ease;
}

a.event-item.event-link:hover {
    background: rgba(127, 255, 212, 0.25);
    transform: translateY(-3px) translateX(5px);
    box-shadow: 0 4px 15px rgba(127, 255, 212, 0.3);
}

a.event-item.event-link:hover::after {
    opacity: 0.8;
}

.event-item h3 {
    color: #37baba;
    font-size: 1.2rem;
    margin: 0;
    flex: 1;
    min-width: 200px;
}

a.event-item.event-link h3 {
    padding-right: 35px;
}

.event-date {
    color: #666;
    font-weight: bold;
    margin: 0;
    min-width: 55px;
}

.event-venue {
    color: #888;
    margin: 0;
    min-width: 190px;
    text-align: left;
}

/* コンタクト情報 */
.contact-message {
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #37baba;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(127, 255, 212, 0.1);
    border-radius: 12px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    padding: 25px;
    background: rgba(127, 255, 212, 0.1);
    border-radius: 12px;
    text-align: center;
}

.contact-item h3 {
    color: #37baba;
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.contact-link {
    display: inline-block;
    color: #37baba;
    text-decoration: none;
    font-size: 1.2rem;
    padding: 12px 30px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 25px;
    transition: all 0.3s ease;
    font-weight: bold;
}

.contact-link:hover {
    background: #ffffff;
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* フッター */
footer {
    text-align: center;
    padding: 40px 20px;
    color: #ffffff;
    font-size: 0.9rem;
}

/* アニメーション */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .hero {
        padding: 40px 20px 20px;
        min-height: 30vh;
    }

    .hero-title {
        font-size: 3rem;
        margin-bottom: 20px;
    }

    .nav-menu {
        margin-top: 10px;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .nav-menu {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-link {
        padding: 15px 30px;
        font-size: 1.1rem;
    }

    .section {
        padding: 20px;
    }

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

    .timeline-item {
        flex-direction: column;
        gap: 5px;
    }

    .timeline-date {
        min-width: auto;
    }

    .tabs {
        justify-content: center;
    }

    .tab-button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .event-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .event-item h3 {
        font-size: 1.1rem;
    }

    .upcoming-event-item {
        padding: 20px;
    }

    .upcoming-event-item::before {
        font-size: 1.5rem;
        top: 15px;
        right: 15px;
    }

    .upcoming-event-item .event-title {
        font-size: 1.2rem;
        padding-right: 40px;
    }

    .upcoming-event-item .event-datetime {
        font-size: 1rem;
    }

    .upcoming-event-item .event-location {
        font-size: 0.95rem;
    }

    .contact-info {
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .container {
        padding: 15px;
    }

    .section {
        padding: 15px;
        margin: 20px 0;
    }

    .event-item {
        padding: 15px;
    }

    .contact-item {
        padding: 20px;
    }
}