/* 全体のスタイル */
:root {
    --primary-color: #B76E79;      /* スモーキーピンク */
    --secondary-color: #D4A5A5;    /* ライトスモーキーピンク */
    --accent-color: #E8C4C4;       /* パステルスモーキーピンク */
    --background-color: #FDF2F2;   /* ベリーローズ */
    --text-color: #8E5B5B;         /* ダークローズ */
    --light-text: #FDF2F2;         /* ライトテキスト */
    --border-color: #E8C4C4;       /* ボーダーカラー */
    --hover-color: #C48B8B;        /* ホバー時の色 */
    --card-bg: #FFFFFF;            /* カード背景 */
    --shadow-color: rgba(183, 110, 121, 0.1); /* シャドウカラー */
    --light-pink: #F5E6E6;         /* スモーキーローズ */
    --dark-pink: #B76E79;          /* ダークスモーキーピンク */
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-color);
    line-height: 1.8;
}

/* セクションタイトル */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-weight: bold;
    position: relative;
    padding-bottom: 1rem;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    margin-top: 40px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
}

.section-title.fade-in {
    opacity: 0;
    transform: translateY(20px);
}

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

/* ナビゲーション */
.navbar {
    background: rgba(183, 110, 121, 0.95);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    padding: 1rem 0;
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    opacity: 1;
    transform: translateY(0);
    transition: background-color 0.3s ease;
}

.navbar:hover {
    background: rgba(183, 110, 121, 0.98);
}

.logo {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.navbar-brand {
    color: var(--light-text) !important;
}

.nav-link {
    color: var(--light-text) !important;
    font-weight: 500;
    margin: 0 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    opacity: 1;
    transform: translateY(0);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.nav-link:hover {
    color: var(--accent-color) !important;
}

/* ヒーローセクション */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
    padding-top: 80px; /* ナビゲーションバーの高さ分 */
}

.hero-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    object-fit: cover;
    position: relative;
}

.hero-image::after {
    content: none;
}

.hero-content {
    position: absolute;
    bottom: 0;
    right: 0;
    transform: none;
    width: 80%;
    max-width: 600px;
    text-align: center;
    color: var(--text-color);
    z-index: 2;
    padding: 1.5rem;
    background: rgba(253, 242, 242, 0.95);
    backdrop-filter: blur(5px);
    border-top: 1px solid var(--border-color);
    border-left: 1px solid var(--border-color);
    border-radius: 8px 0 0 0;
    box-shadow: -4px -4px 20px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.hero-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-content h1 {
    font-size: 2.2rem;
    font-weight: bold;
    margin-bottom: 0.3rem;
    color: var(--primary-color);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.8s ease-out 0.2s, transform 0.8s ease-out 0.2s;
}

.hero-content.visible h1 {
    opacity: 1;
    transform: translateY(0);
}

.hero-content p {
    font-size: 1rem;
    color: var(--text-color);
    margin-bottom: 0.2rem;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.8s ease-out 0.4s, transform 0.8s ease-out 0.4s;
}

.hero-content.visible p {
    opacity: 1;
    transform: translateY(0);
}

.hero-subtitle {
    font-size: 0.9rem !important;
    margin-top: 0.8rem;
    opacity: 0;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--text-color);
    padding-top: 0.4rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    transform: translateY(10px);
    transition: opacity 0.8s ease-out 0.6s, transform 0.8s ease-out 0.6s;
}

.hero-content.visible .hero-subtitle {
    opacity: 1;
    transform: translateY(0);
}

/* プロフィール詳細 */
.profile-details {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.profile-details p {
    margin-bottom: 0.5rem;
}

.profile-details strong {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

/* YouTubeセクション */
.youtube-section {
    padding: 4rem 0;
    background-color: var(--secondary-color);
    padding-top: 1.6rem;
}

.youtube-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.youtube-item {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.youtube-item:hover {
    transform: translateY(-5px);
}

.youtube-item iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.youtube-item.fade-in {
    opacity: 0;
    transform: translateY(20px);
}

.youtube-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* プロフィールセクション */
.profile-section {
    padding: 80px 0;
    background: var(--background-color);
    position: relative;
    overflow: visible;
    padding-top: 1.6rem;
}

.profile-container {
    display: flex;
    min-height: auto;
    align-items: stretch;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.profile-image-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    min-height: 600px;
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.profile-image-container.visible {
    opacity: 1;
    transform: translateX(0);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    position: absolute;
    top: 0;
    left: 0;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.profile-content {
    flex: 1;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.profile-content.visible {
    opacity: 1;
    transform: translateX(0);
}

.profile-content h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 2rem;
    font-weight: bold;
}

.profile-content p {
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-color);
}

.profile-details {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.profile-details p {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-color);
}

.profile-details strong {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.profile-links {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
}

/* カードセクション */
.cards-section {
    padding: 4rem 0;
    background-color: var(--secondary-color);
    padding-top: 1.6rem;
}

.card {
    margin-bottom: 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border-radius: 15px;
    overflow: hidden;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    background: var(--card-bg);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover .card-img-top {
    transform: scale(1.08);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    color: var(--primary-color);
    font-weight: bold;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover {
    background-color: var(--hover-color);
    border-color: var(--hover-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(183, 110, 121, 0.2);
}

.card.fade-in {
    opacity: 0;
    transform: translateY(20px);
}

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

/* 出演作品セクション */
.works-section {
    padding: 80px 0;
    background-color: var(--secondary-color);
    padding-top: 1.6rem;
}

.works-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-height: 600px;
    overflow-y: auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: relative;
}

.work-item {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
    opacity: 1;
    height: auto;
    margin-bottom: 15px;
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: visible;
}

.work-item.hide {
    opacity: 0;
    height: 0;
    margin: 0;
    padding: 0;
    transform: scale(0.8);
    pointer-events: none;
    border: none;
    position: absolute;
    visibility: hidden;
    z-index: -1;
}

.work-content {
    padding: 20px;
    position: relative;
    z-index: 1;
    background-color: #fff;
}

.work-content h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 8px;
    font-weight: bold;
    position: relative;
    z-index: 2;
}

.work-content p {
    color: var(--text-color);
    font-size: 0.9rem;
    margin: 0;
    position: relative;
    z-index: 2;
}

/* フィルターボタンのスタイル */
.works-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--light-text);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(183, 110, 121, 0.2);
}

/* スクロールバーのカスタマイズ */
.works-list::-webkit-scrollbar {
    width: 8px;
}

.works-list::-webkit-scrollbar-track {
    background: var(--background-color);
    border-radius: 4px;
}

.works-list::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 4px;
}

.works-list::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* スクロールアニメーション */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal-left.visible,
.scroll-reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* SNSセクション */
.sns-section {
    padding: 4rem 0;
    background-color: var(--secondary-color);
    padding-top: 1.6rem;
}

.sns-section .row {
    margin: 0 -15px;
}

.sns-section .col-md-3 {
    padding: 0 15px;
}

.sns-card {
    background-color: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    margin-bottom: 1.5rem;
}

.sns-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.sns-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--primary-color);
}

.sns-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: bold;
}

.sns-description {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: 25px;
    padding: 0.5rem 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--light-text);
}

.sns-card.fade-in {
    opacity: 0;
    transform: translateY(20px);
}

.sns-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* フッター */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 4rem 0 2rem;
}

.footer h3 {
    margin-bottom: 1.5rem;
    color: white;
    font-weight: bold;
}

.footer-banner {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.footer-sns a {
    font-size: 1.5rem;
    margin-right: 1rem;
    transition: transform 0.3s ease;
}

.footer-sns a:hover {
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.2);
}

/* アニメーション */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.fade-in-left {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-left.visible,
.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ホバーアニメーション */
.hover-scale {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* 画像ポップアップ */
.image-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.image-popup.active {
    opacity: 1;
    visibility: visible;
}

.image-popup img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.image-popup.active img {
    transform: scale(1);
}

/* レスポンシブ対応 */
@media (max-width: 1400px) {
    .container {
        padding: 0 2rem;
    }

    .hero-content h1 {
        font-size: 3.5rem;
    }
}

@media (max-width: 1200px) {
    .hero-content h1 {
        font-size: 3rem;
    }

    .profile-container {
        flex-direction: column;
        gap: 20px;
    }

    .profile-image-container {
        width: 100%;
        min-height: auto;
        aspect-ratio: 16/9;
        max-height: 400px;
    }

    .profile-content {
        padding: 1.5rem;
    }

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

    .works-list {
        max-height: 500px;
        padding: 15px;
    }

    .work-content {
        padding: 15px;
    }

    .work-content h3 {
        font-size: 1.1rem;
    }

    .youtube-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .hero {
        height: 700px;
    }

    .hero-content {
        width: 90%;
        padding: 1.2rem 1rem;
        right: 0;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-content p {
        font-size: 0.9rem;
    }

    .hero-subtitle {
        font-size: 0.8rem !important;
        margin-top: 0.6rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .youtube-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .sns-section .col-md-3 {
        margin-bottom: 2rem;
    }

    .sns-card {
        margin-bottom: 0;
    }

    .work-item {
        font-size: 0.8rem;
        padding: 0.8rem 1.5rem;
    }

    .footer {
        text-align: center;
    }

    .footer-sns {
        margin: 1.5rem 0;
    }

    .footer-banner {
        margin-top: 1.5rem;
    }
}

@media (max-width: 768px) {
    .works-list {
        max-height: 500px;
        padding: 15px;
    }

    .work-content {
        padding: 15px;
    }

    .work-content h3 {
        font-size: 1.1rem;
    }

    .profile-section {
        padding: 40px 0;
    }

    .profile-image-container {
        max-height: 300px;
    }

    .profile-content {
        padding: 1.2rem;
    }

    .profile-content h2 {
        font-size: 1.5rem;
    }

    .profile-content p {
        font-size: 0.95rem;
    }

    .logo-text {
        font-size: 1.5rem;
    }

    .works-filter {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.4rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

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

    .card {
        margin-bottom: 1.5rem;
    }

    .profile-details {
        margin-top: 1.5rem;
        padding-top: 1.5rem;
    }

    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }

    .nav-link {
        margin: 0.5rem 0;
    }

    .logo-text {
        font-size: 1.3rem;
    }

    .sns-section .col-md-3 {
        margin-bottom: 1.5rem;
    }

    .sns-card {
        margin-bottom: 0;
    }
}

/* タッチデバイス対応 */
@media (hover: none) {
    .card:hover,
    .sns-card:hover,
    .btn:hover {
        transform: none;
    }

    .card-img-top:hover,
    .sns-icon:hover {
        transform: none;
    }
}

/* ロゴテキストのスタイル */
.logo-text {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--light-text);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
}

.logo-text::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--light-text);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.logo-text:hover {
    transform: translateY(-2px);
}

.logo-text:hover::after {
    transform: scaleX(1);
}

/* PC時のみロゴの左側に余白を追加 */
@media (min-width: 992px) {
    .navbar-brand {
        margin-left: 2rem;
    }
}

/* フィルターボタンのスタイル */
.works-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--light-text);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(183, 110, 121, 0.2);
}

/* フェードインアニメーション */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* プロフィールセクションのアニメーション */
.profile-image-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    min-height: 600px;
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.profile-image-container.visible {
    opacity: 1;
    transform: translateX(0);
}

.profile-content {
    flex: 1;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.profile-content.visible {
    opacity: 1;
    transform: translateX(0);
}

/* カードのアニメーション */
.card.fade-in {
    opacity: 0;
    transform: translateY(20px);
}

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

/* YouTubeアイテムのアニメーション */
.youtube-item.fade-in {
    opacity: 0;
    transform: translateY(20px);
}

.youtube-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* SNSカードのアニメーション */
.sns-card.fade-in {
    opacity: 0;
    transform: translateY(20px);
}

.sns-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 出演作品のアニメーション */
.work-item.fade-in {
    opacity: 0;
    transform: translateY(20px);
}

.work-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Xタイムラインセクション */
.twitter-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.twitter-timeline-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.twitter-timeline {
    width: 100% !important;
}