/* カスタムCSS */

* {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
}

.hero-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.fade-in {
    animation: fadeIn 0.8s ease-in;
}

@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(20px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

.section-title {
    font-family: 'Montserrat', 'Noto Sans JP', sans-serif;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.gallery-image {
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

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

.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: white;
    transition: width 0.3s ease;
}

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

/* 言語切り替えボタン */
.lang-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    padding: 0.25rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid #d1d5db;
}

.lang-btn:hover {
    background-color: #f3f4f6;
}

.lang-btn.active {
    background-color: #7c3aed;
    color: white;
    border-color: #7c3aed;
}

/* Airbnb予約ボタン */
.airbnb-btn {
    background: linear-gradient(135deg, #FF385C 0%, #E61E4D 100%);
    color: white;
    padding: 1rem 2rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 4px 6px rgba(255, 56, 92, 0.3);
}

.airbnb-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 56, 92, 0.4);
    background: linear-gradient(135deg, #E61E4D 0%, #D70466 100%);
}

.airbnb-btn i {
    font-size: 1.25rem;
}

/* 多言語対応 */
[data-lang="en"] .lang-ja {
    display: none;
}

[data-lang="ja"] .lang-en {
    display: none;
}