/* カラーパレット（4色限定） */
:root {
    --primary-color: #dbffc8;
    --secondary-color: hsl(269, 33%, 33%);
    --accent-color: #c93932;
    --light-color: #112239;
    
    /* フォント */
    --font-family: 'Noto Sans JP', sans-serif;
    
    /* スペーシング */
    --section-padding: 80px 0;
    --container-padding: 0 20px;
    --border-radius: 10px;
    
    /* アニメーション */
    --transition: all 0.3s ease;
}

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

/* 基本設定 */
body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--primary-color);
    background-color: var(--light-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ヒーローセクション */
.hero {
    background: linear-gradient(135deg, var(--light-color), var(--secondary-color));
    color: var(--light-color);
    text-align: center;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('images/hero-bg.png') center/cover;
    opacity: 0.3;
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-logo {
    width: 600px;
    max-width: 100%;
    margin-bottom: 30px;
    opacity: 0;
    animation: fadeInUp 1s ease 0.5s forwards;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeInUp 1s ease 0.7s forwards;
}

.hero-subtitle-wrapper {
    text-align: center;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeInUp 1s ease 0.9s forwards;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 0;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 8px 16px;
    display: inline-block;
    border-radius: 4px;
    font-weight: 600;
}

.hero-dates {
    display: flex;
    justify-content: center;
    gap: 40px;
    opacity: 0;
    animation: fadeInUp 1s ease 1.1s forwards;
}

.date-period {
    background: var(--light-color);
    backdrop-filter: blur(10px);
    padding: 20px 30px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.period-label {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.period-date {
    display: block;
    font-size: 1.1rem;
    color: var(--primary-color);
}

/* ナビゲーション */
.nav {
    background: var(--light-color);
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    list-style: none;
    background: var(--secondary-color);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin: 0 20px;
}

.nav-list a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    padding: 10px 15px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-list a:hover {
    background: var(--secondary-color);
    color: var(--light-color);
    transform: translateY(-2px);
}

/* セクション共通 */
.section {
    padding: var(--section-padding);
    opacity: 0;
    transform: translateY(50px);
    transition: var(--transition);
}

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

.section:nth-child(even) {
    background: var(--secondary-color);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    width: 80px;
    height: 4px;
    background: var(--accent-color);
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

/* コラボカフェについて */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
}

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

.about-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 開催日程 */
.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.schedule-card {
    background: var(--secondary-color);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    text-align: center;
    border: 3px solid transparent;
    transition: var(--transition);
    color: var(--primary-color);
}

.schedule-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.schedule-card.special {
    background: var(--accent-color);
    color: white;
}

.schedule-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.schedule-card.special h3 {
    color: white;
}

.schedule-date {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.schedule-event {
    font-size: 1.1rem;
    font-weight: 600;
}

/* 準備中セクション */
.coming-soon {
    text-align: center;
    padding: 20px 0;
}

.coming-soon p {
    font-size: 1.5rem;
    color: var(--primary-color);
    opacity: 0.7;
}

/* メニュー画像 */
.menu-content {
    text-align: center;
    padding: 20px 0;
}

.menu-image {
    max-width: 800px;
    width: 100%;
    height: auto;
    border: 3px solid var(--accent-color);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    transition: all 0.3s ease;
}

.menu-image:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.menu-hint {
    font-size: 0.9rem;
    color: var(--primary-color);
    opacity: 0.7;
    margin-top: 10px;
}

/* モーダル */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90%;
    top: 50%;
    transform: translateY(-50%);
    border-radius: var(--border-radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.modal-content img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

.close {
    position: absolute;
    top: 15px;
    right: 25px;
    color: #fff;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.close:hover {
    opacity: 0.7;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .menu-image {
        max-width: 100%;
    }
    
    .modal-content {
        max-width: 95%;
        max-height: 85%;
    }
    
    .close {
        top: 10px;
        right: 15px;
        font-size: 30px;
    }
}

/* アクセス */
.access-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.location-details h4 {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.location-details address {
    font-style: normal;
    font-size: 1.1rem;
    line-height: 1.8;
}

.access-map iframe {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.map-caption {
    text-align: center;
    font-size: 0.9rem;
    color: var(--primary-color);
    opacity: 0.8;
    margin-top: 15px;
    padding: 10px;
    background: var(--light-color);
    border-radius: var(--border-radius);
}

/* リンク */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.link-card {
    background: var(--secondary-color);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    text-align: center;
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
    border: 3px solid transparent;
}

.link-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.link-card img {
    width: 100px;
    height: 100px;
    margin-bottom: 5px;
    border-radius: 50%;
    object-fit: cover;
}

.link-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* お問い合わせ */
.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    line-height: 1.8;
}

.contact-email {
    display: inline-block;
    font-size: 1.3rem;
    color: var(--accent-color);
    text-decoration: none;
    padding: 15px 30px;
    border: 2px solid var(--accent-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.contact-email:hover {
    background: var(--accent-color);
    color: white;
    transform: scale(1.05);
}

/* 協賛 */
.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: auto auto;
    gap: 25px;
    max-width: 900px;
    margin: 0 auto;
}

.sponsor-card {
    background: var(--secondary-color);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    text-align: center;
    transition: var(--transition);
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
}

.sponsor-card:nth-child(1) {
    grid-column: 1 / 3;
}
.sponsor-card:nth-child(2) {
    grid-column: 3 / 5;
}
.sponsor-card:nth-child(3) {
    grid-column: 5 / 7;
}
.sponsor-card:nth-child(4) {
    grid-column: 2 / 4;
}
.sponsor-card:nth-child(5) {
    grid-column: 4 / 6;
}
.sponsor-card:hover {
    transform: translateY(-10px);
}

.sponsor-card img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 20px;
    object-fit: cover;
}

.sponsor-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.sponsor-card p {
    font-size: 1rem;
    color: var(--primary-color);
    opacity: 0.8;
}

/* フッター */
.footer {
    background: var(--secondary-color);
    color: var(--primary-color);
    padding: 50px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.footer-logo img {
    width: 200px;
}

.footer-reservation {
    text-align: right;
}

.footer-reservation h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.reservation-btn {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    padding: 15px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
}

.reservation-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.05);
}

/* 固定予約ボタン */
.fixed-reservation {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.fixed-btn {
    display: block;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    padding: 15px 25px;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(231, 76, 60, 0.3);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.fixed-btn:hover {
    background: var(--accent-color);
    transform: scale(1.1);
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    :root {
        --section-padding: 50px 0;
        --container-padding: 0 15px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-dates {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav-list {
        gap: 15px;
    }
    
    .nav-list a {
        font-size: 0.9rem;
        padding: 8px 12px;
    }

    .nav-list li{
        margin-bottom: 10px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .schedule-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .access-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .links-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .sponsors-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    
    .sponsors-grid .sponsor-card{
        grid-column: auto;
        justify-self: auto;
        margin: 0 auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-reservation {
        text-align: center;
    }
    
    .fixed-reservation {
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .subtitle-card {
        padding: 12px 20px;
        margin-bottom: 30px;
    }
    
    .date-period {
        padding: 15px 20px;
    }
    
    .period-label {
        font-size: 1rem;
    }
    
    .period-date {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .schedule-card {
        padding: 30px 20px;
    }
    
    .sponsors-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .sponsors-grid .sponsor-card {
        grid-column: auto;
        justify-self: auto;
        margin: 0 auto;
    }
    
    .fixed-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
}