/* モダンデザイン用CSS */
:root {
    --main-color: #6c5ce7;
    --main-color-light: #a29bfe;
    --accent-color: #ff7675;
    --text-color: #2d3436;
    --text-light: #636e72;
    --bg-color: #f9f9f9;
    --white: #ffffff;
    --card-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
    --border-radius: 12px;
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    font-size: 16px;
}

.wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

a {
    color: var(--main-color);
    text-decoration: none;
    transition: var(--transition);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* ボタンスタイル */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--main-color);
    color: var(--white);
    border: 2px solid var(--main-color);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--main-color);
    border: 2px solid var(--main-color);
}

.btn-outline:hover {
    background-color: var(--main-color);
    color: var(--white);
}

/* カードスタイル */
.card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    padding: 25px;
    margin-bottom: 30px;
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-3px);
}

/* ヘッダー */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    max-width: 100%;
}

.logo-img {
    max-height: 60px;
    max-width: 100%;
    height: auto;
}

/* ナビゲーション */
.main-nav ul {
    display: flex;
    gap: 20px;
}

.main-nav a {
    font-weight: 600;
    color: var(--text-color);
    position: relative;
    padding: 6px 0;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--main-color);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--main-color);
    transition: var(--transition);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

/* ハンバーガーメニュー */
.nav-toggle {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 22px;
    position: relative;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: var(--text-color);
    border-radius: 3px;
    transition: var(--transition);
}

.nav-toggle span:nth-child(1) {
    top: 0;
}

.nav-toggle span:nth-child(2) {
    top: 9px;
}

.nav-toggle span:nth-child(3) {
    top: 18px;
}

.nav-toggle.active span:nth-child(1) {
    top: 9px;
    transform: rotate(45deg);
    background: var(--main-color);
}

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

.nav-toggle.active span:nth-child(3) {
    top: 9px;
    transform: rotate(-45deg);
    background: var(--main-color);
}

/* ヒーローセクション */
.hero {
    background: linear-gradient(135deg, var(--main-color) 0%, var(--main-color-light) 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
    margin-bottom: 60px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* コンテンツレイアウト */
.grid-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

.main-column {
    /* メイン列 */
}

/* セクションタイトル */
.section-title {
    position: relative;
    font-size: 1.4rem;
    margin-bottom: 25px;
    padding-bottom: 12px;
    color: var(--text-color);
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--main-color);
}

/* ニュースセクション */
.news-item {
    margin-bottom: 15px;
}

.news-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.tag {
    background-color: var(--main-color-light);
    color: var(--white);
    font-size: 0.8rem;
    padding: 4px 12px;
    border-radius: 50px;
    font-weight: 500;
}

.date {
    color: var(--text-light);
    font-size: 0.9rem;
}

.news-item h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.news-body p {
    margin-bottom: 15px;
    color: var(--text-light);
}

.event-list {
    margin: 15px 0;
    padding-left: 15px;
}

.event-list li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
}

.event-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background-color: var(--accent-color);
    border-radius: 50%;
}

.event-date {
    color: var(--accent-color);
    font-weight: 600;
    margin-right: 10px;
}

.event-link {
    display: block;
    margin-top: 25px;
    text-align: center;
    padding: 15px;
    border-radius: var(--border-radius);
    background-color: rgba(108, 92, 231, 0.05);
    transition: var(--transition);
}

.event-link:hover {
    background-color: rgba(108, 92, 231, 0.1);
}

.event-link img {
    margin: 0 auto 10px;
}

.event-link span {
    display: block;
    font-weight: 600;
    color: var(--main-color);
}

/* ギャラリーセクション */
.gallery-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.image-link {
    display: block;
    position: relative;
}

.image-link:hover .image-overlay {
    opacity: 1;
}

.top-image {
    width: 100%;
    transition: var(--transition);
}

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

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
}

.image-overlay span {
    color: var(--white);
    font-weight: 600;
    padding: 10px 20px;
    border: 2px solid var(--white);
    border-radius: 50px;
}

/* サイドバーセクション */
.about-section p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.link-group {
    margin-bottom: 25px;
}

.link-group:last-child {
    margin-bottom: 0;
}

.link-group h3 {
    font-size: 1.05rem;
    margin-bottom: 12px;
    color: var(--text-color);
    padding-left: 18px;
    position: relative;
}

.link-group h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background-color: var(--main-color);
    border-radius: 50%;
}

.link-group ul {
    padding-left: 18px;
}

.link-group li {
    margin-bottom: 8px;
}

.link-group a {
    color: var(--text-light);
    position: relative;
    transition: var(--transition);
    padding-left: 15px;
}

.link-group a::before {
    content: '→';
    position: absolute;
    left: 0;
    transition: var(--transition);
}

.link-group a:hover {
    color: var(--main-color);
    padding-left: 20px;
}

.link-group a:hover::before {
    color: var(--main-color);
}

/* フッター */
.footer {
    background-color: #2d3436;
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 30px;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-text {
    margin-bottom: 20px;
}

.footer-text p {
    margin-bottom: 15px;
}

.footer-text a {
    color: var(--main-color-light);
}

.footer-text a:hover {
    color: var(--accent-color);
}

.small-text {
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-banner {
    margin-top: 30px;
}

.footer-nav ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.8);
    position: relative;
    padding-left: 15px;
}

.footer-nav a::before {
    content: '›';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--main-color-light);
}

.footer-nav a:hover {
    color: var(--white);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* レスポンシブデザイン */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }
    
    .header-container {
        flex-wrap: wrap;
    }
    
    .logo {
        margin: 0 auto 10px;
        width: 100%;
    }
    
    .nav-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--white);
        padding: 80px 30px 30px;
        transition: var(--transition);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }

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

    .main-nav ul {
        flex-direction: column;
        gap: 25px;
    }

    .hero {
        padding: 60px 0;
    }

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

    .footer-nav ul {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 50px 0;
        margin-bottom: 40px;
    }

    .hero h1 {
        font-size: 1.6rem;
    }

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

    .btn {
        width: 100%;
    }

    .section-title {
        font-size: 1.2rem;
    }

    .news-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .tag {
        margin-bottom: 10px;
    }

    .card {
        padding: 20px;
    }
}








/* annai.html 専用の追加スタイル - styles.cssに追加する内容 */

/* ナビゲーション用のスタイル */
.side-nav-list {
    margin-top: 10px;
}

.side-nav-link {
    display: block;
    padding: 10px 15px;
    margin-bottom: 8px;
    border-radius: 8px;
    color: var(--text-color);
    transition: var(--transition);
    position: relative;
    padding-left: 30px;
}

.side-nav-link::before {
    content: '›';
    position: absolute;
    left: 15px;
    top: 9px;
    color: var(--main-color);
    font-size: 1.2rem;
    font-weight: bold;
}

.side-nav-link:hover {
    background-color: rgba(108, 92, 231, 0.1);
    color: var(--main-color);
    transform: translateX(5px);
}

/* ユーザーキャンプについての説明エリア */
.about-content {
    line-height: 1.8;
}

.about-content p {
    margin-bottom: 15px;
    color: var(--text-color);
}

.about-image {
    margin-top: 20px;
    border-radius: var(--border-radius);
    width: 100%;
}

/* 場所についての説明エリア */
.location-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.location-image {
    flex: 1;
    text-align: center;
}

.map-image {
    max-width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
}

.location-info {
    flex: 1;
}

.location-info p {
    margin-bottom: 10px;
    color: var(--text-color);
}

.highlight {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 1.1em;
}

/* 活動内容エリア */
.activity-list {
    padding: 0;
}

.activity-item {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.activity-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.activity-item h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--main-color);
    position: relative;
    padding-left: 20px;
}

.activity-item h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background-color: var(--main-color);
    border-radius: 50%;
}

.activity-item p {
    margin-bottom: 10px;
    color: var(--text-color);
}

.highlight-text {
    color: var(--accent-color);
}

.highlight-link {
    font-weight: 600;
    color: var(--main-color);
    position: relative;
    padding-right: 20px;
}

.highlight-link::after {
    content: '›';
    position: absolute;
    right: 0;
    font-size: 1.2rem;
    transition: var(--transition);
}

.highlight-link:hover::after {
    right: -5px;
}

/* 沿革エリア */
.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 3px;
    background-color: var(--main-color-light);
    top: 0;
    bottom: 0;
    left: 20px;
    margin-left: -1px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
}

.timeline-marker {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--main-color);
    border-radius: 50%;
    left: 0;
    top: 15px;
    z-index: 1;
}

.timeline-content {
    padding: 15px;
    background-color: rgba(108, 92, 231, 0.05);
    border-radius: var(--border-radius);
    position: relative;
}

.timeline-content h3 {
    margin-bottom: 10px;
    color: var(--main-color);
}

.timeline-content p {
    margin-bottom: 10px;
    color: var(--text-color);
}

.timeline-content em {
    font-style: normal;
    font-weight: 600;
    color: var(--accent-color);
}

/* その他諸々エリア */
.other-list {
    list-style: disc;
    padding-left: 20px;
}

.other-list li {
    margin-bottom: 15px;
    color: var(--text-color);
}

.other-list li:last-child {
    margin-bottom: 0;
}

/* レスポンシブ対応 */
@media (min-width: 768px) {
    .location-content {
        flex-direction: row;
    }
    
    .timeline::after {
        left: 50%;
    }
    
    .timeline-item {
        padding: 10px 0;
    }
    
    .timeline-marker {
        left: 50%;
        margin-left: -10px;
    }
    
    .timeline-content {
        width: 45%;
    }
    
    .timeline-item:nth-child(odd) .timeline-content {
        float: left;
        text-align: right;
    }
    
    .timeline-item:nth-child(even) .timeline-content {
        float: right;
    }
    
    .timeline-item::after {
        content: '';
        display: table;
        clear: both;
    }
}

@media (max-width: 768px) {
    .timeline-content {
        padding: 15px;
    }
}