/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基本スタイル */
body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* ヘッダー */
.header {
    background: linear-gradient(135deg, #1a237e 0%, #3949ab 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h1 {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #ffeb3b;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* ヒーローセクション */
.hero {
    background: linear-gradient(135deg, #1a237e 0%, #3949ab 50%, #5c6bc0 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        url('img/nihontou_bokutou.png') 0 0 no-repeat,
        url('img/sports_kendou_shinai.png') 200px 100px no-repeat,
        url('img/nihontou_bokutou.png') 400px 50px no-repeat,
        url('img/sports_kendou_shinai.png') 600px 150px no-repeat,
        url('img/nihontou_bokutou.png') 800px 80px no-repeat;
    background-size: 60px 60px;
    opacity: 0.08;
    animation: float 30s infinite linear;
}

@keyframes float {
    0% { transform: translateX(-100px); }
    100% { transform: translateX(100px); }
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: #e8eaf6;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: #ff5722;
    color: white;
}

.btn-primary:hover {
    background: #e64a19;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #1a237e;
}

/* セクション共通 */
section {
    padding: 80px 0;
}

/* 独自のタイムライン */
.main-info-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #ff5722, #ffeb3b);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    padding-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    background: #ff5722;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px #ff5722;
}

.timeline-year {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a237e;
    margin-bottom: 0.5rem;
}

.timeline-content {
    color: #666;
    font-size: 1.1rem;
}

/* 理念セクション */
.philosophy-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.philosophy-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 235, 59, 0.1);
    border-radius: 10px;
    border-left: 4px solid #ffeb3b;
}

.philosophy-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* 団員統計 */
.members-showcase {
    text-align: center;
    background: linear-gradient(135deg, #ff5722 0%, #ff8a65 100%);
    color: white;
    padding: 3rem;
    border-radius: 20px;
    margin-top: 2rem;
}

.members-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
}

.member-stat {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #ffeb3b;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.stat-label {
    font-size: 1.2rem;
    margin-top: 0.5rem;
}

/* 初心者歓迎メッセージ */
.beginner-welcome {
    background: linear-gradient(135deg, #4caf50 0%, #81c784 100%);
    color: white;
    padding: 2.5rem;
    border-radius: 20px;
    margin-bottom: 3rem;
    text-align: center;
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.3);
}

.welcome-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.welcome-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.welcome-points {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.welcome-point {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
}

.point-icon {
    font-size: 1.3rem;
}

/* 大人の大会情報 */
.adult-tournaments {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin-top: 2rem;
    text-align: center;
}

.adult-tournaments h3 {
    color: #1a237e;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.adult-tournaments p {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.tournament-benefits {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #f8f9fa;
    padding: 1rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    color: #1a237e;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    background: #1a237e;
    color: white;
    transform: translateY(-2px);
}

.benefit-icon {
    font-size: 1.2rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1a237e;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 3rem;
}

/* 団の紹介 */
.about {
    background: #f8f9fa;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.about-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.about-card:hover {
    transform: translateY(-5px);
}

.card-icon {
    font-size: 3rem;
    color: #1a237e;
    margin-bottom: 1rem;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1a237e;
}

.about-card ul {
    list-style: none;
    text-align: left;
}

.about-card li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.emblem-section {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin-bottom: 3rem;
    text-align: center;
}

.emblem-section h3 {
    color: #1a237e;
    margin-bottom: 2rem;
}

.emblem-content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: center;
}

.emblem-image {
    text-align: center;
}

.wappen-img {
    width: 150px;
    height: 150px;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.emblem-description {
    flex: 1;
}

.emblem-description p {
    line-height: 1.8;
    color: #555;
}

.instructors {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.instructors h3 {
    text-align: center;
    color: #1a237e;
    margin-bottom: 2rem;
}

/* リーダーシップセクション */
.leadership-section {
    margin-bottom: 3rem;
}

.leadership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.leadership-card {
    background: linear-gradient(135deg, #1a237e 0%, #3949ab 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(26, 35, 126, 0.3);
}

.leadership-card h4 {
    color: #ffeb3b;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.leadership-card strong {
    font-size: 1.2rem;
}

/* 指導員セクション */
.instructors-section {
    margin-top: 2rem;
}

.instructors-title {
    text-align: center;
    color: #1a237e;
    margin-bottom: 2rem;
    font-size: 1.4rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #1a237e;
    display: inline-block;
    width: 100%;
}

.instructor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.instructor-card {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    border-left: 4px solid #1a237e;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.instructor-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.instructor-card strong {
    color: #1a237e;
    font-size: 1.1rem;
}

.credentials {
    font-size: 0.9rem;
    color: #666;
    margin-top: 0.5rem;
    line-height: 1.4;
}

/* 入団案内 */
.join-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.join-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.join-card h3 {
    color: #1a237e;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.schedule-item, .fee-item, .rental-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid #eee;
}

.day {
    font-weight: 600;
    color: #1a237e;
    min-width: 50px;
}

.time {
    color: #666;
}

.place {
    font-weight: 500;
}

.category {
    font-weight: 600;
    color: #1a237e;
}

.amount, .price {
    font-weight: 500;
    color: #ff5722;
}

.note {
    font-size: 0.9rem;
    color: #666;
    margin-top: 1rem;
    font-style: italic;
}

.experience-flow {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.experience-flow h3 {
    text-align: center;
    color: #1a237e;
    margin-bottom: 2rem;
}

.flow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.step-number {
    width: 50px;
    height: 50px;
    background: #1a237e;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step h4 {
    color: #1a237e;
    margin-bottom: 0.5rem;
}

/* 活動内容 */
.activities {
    background: #f8f9fa;
}

.activities-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.activity-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.activity-card h3 {
    color: #1a237e;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.recent-activities h4 {
    color: #1a237e;
    margin: 1.5rem 0 1rem;
}

.recent-activities ul {
    list-style: none;
}

.recent-activities li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 1rem;
}

.recent-activities li:before {
    content: "▶";
    color: #ff5722;
    position: absolute;
    left: 0;
}

/* 活動内容の画像 */
.activity-image {
    margin-bottom: 1.5rem;
    text-align: center;
}

.activity-img {
    width: 100%;
    max-width: 400px;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

/* 成年部 */
.adult-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.adult-info, .adult-schedule {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.adult-info h3, .adult-schedule h3 {
    color: #1a237e;
    margin-bottom: 1rem;
}

.adult-info ul {
    list-style: none;
    margin-bottom: 1rem;
}

.adult-info li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.adult-info li:before {
    content: "✓";
    color: #4caf50;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.highlight {
    background: #ffeb3b;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
}

.lifelong-kendo {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.lifelong-kendo h3 {
    color: #1a237e;
    margin-bottom: 1rem;
}

/* 剣道体験会 */
.experience-event {
    background: linear-gradient(135deg, #ff5722 0%, #ff8a65 100%);
    color: white;
    padding: 60px 0;
}

.event-banner {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 3rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.event-content h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.event-content h2 i {
    color: #ffeb3b;
    margin-right: 0.5rem;
}

.event-details {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 2rem;
}

.event-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #ffeb3b;
}

.event-info p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.event-info i {
    margin-right: 0.5rem;
    color: #ffeb3b;
}

.event-highlights {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.8rem 1.2rem;
    border-radius: 25px;
    font-weight: 600;
}

.highlight-item i {
    color: #4caf50;
}

.event-flyer {
    text-align: center;
}

.flyer-image {
    display: inline-block;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}

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

.flyer-img {
    width: 100%;
    max-width: 300px;
    height: auto;
    display: block;
    border-radius: 15px;
}

.flyer-download {
    margin-top: 1rem;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.download-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.download-btn i {
    font-size: 1.1rem;
}

.event-actions {
    text-align: center;
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: 700;
}

/* お問い合わせ */
.contact {
    background: #f8f9fa;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
}

.contact-icon {
    font-size: 3rem;
    color: #1a237e;
    margin-bottom: 1rem;
}

.contact-card h3 {
    color: #1a237e;
    margin-bottom: 1rem;
}

.contact-card a {
    color: #1a237e;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.contact-card a:hover {
    color: #ff5722;
    text-decoration: underline;
}

.mirai-project {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.mirai-content {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.mirai-logo {
    flex-shrink: 0;
}

.mirai-img {
    height: 80px;
    width: auto;
    object-fit: contain;
}

.mirai-text {
    flex: 1;
}

.mirai-project h3 {
    color: #1a237e;
    margin-bottom: 1rem;
}

.mirai-link {
    color: #1a237e;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    transition: color 0.3s ease;
}

.mirai-link:hover {
    color: #ff5722;
    text-decoration: underline;
}

.mirai-link i {
    font-size: 0.9rem;
}

/* メールリンクのスタイル */
.contact-card a[href^="mailto:"],
.footer-contact a[href^="mailto:"] {
    color: inherit;
    text-decoration: none;
}

.contact-card a[href^="mailto:"]:hover {
    color: #1a237e;
    text-decoration: underline;
}

.footer-contact a[href^="mailto:"]:hover {
    color: #ffeb3b;
    text-decoration: underline;
}

/* フッター */
.footer {
    background: #1a237e;
    color: white;
    padding: 2rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-info h3, .footer-contact h4 {
    margin-bottom: 1rem;
    color: #ffeb3b;
}

.footer-bottom {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid #3949ab;
    color: #e8eaf6;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #1a237e;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }

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

    .hamburger {
        display: flex;
    }

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

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 1rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 200px;
    }

    .about-grid,
    .join-grid,
    .activities-content,
    .adult-content,
    .contact-methods {
        grid-template-columns: 1fr;
    }

    .event-details {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .event-highlights {
        justify-content: center;
    }

    .event-banner {
        padding: 2rem;
    }

    .event-content h2 {
        font-size: 2rem;
    }

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

    .flow-steps,
    .instructor-grid {
        grid-template-columns: 1fr;
    }

    .emblem-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }

    .wappen-img {
        width: 120px;
        height: 120px;
    }

    .mirai-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .mirai-img {
        height: 60px;
    }

    .schedule-item,
    .fee-item,
    .rental-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .container {
        padding: 0 15px;
    }

    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }

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

    .nav-logo h1 {
        font-size: 1.2rem;
    }

    .about-card,
    .join-card,
    .activity-card,
    .adult-info,
    .adult-schedule,
    .contact-card {
        padding: 1.5rem;
    }
}

/* スムーススクロール */
html {
    scroll-behavior: smooth;
}

/* 楽しい絵文字アニメーション */
.fun-emoji {
    font-size: 1.2em;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

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

.about-card,
.join-card,
.activity-card,
.contact-card {
    animation: fadeInUp 0.6s ease-out;
}