/* =============================================
   リセットと基本設定
   ============================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット - アメリカ・カナダ風 */
    --primary-red: #DC143C;
    --primary-navy: #002868;
    --primary-white: #FFFFFF;
    --light-gray: #F5F5F5;
    --medium-gray: #E0E0E0;
    --dark-gray: #333333;
    --accent-red: #FF6B6B;
    --accent-navy: #4A6FA5;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-dark: rgba(0, 0, 0, 0.2);
    
    /* フォント */
    --font-primary: 'Poppins', 'Noto Sans JP', sans-serif;
    --font-secondary: 'Noto Sans JP', sans-serif;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-gray);
    overflow-x: hidden;
    background: var(--primary-white);
}

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

/* =============================================
   カスタムカーソル
   ============================================= */
.cursor-dot {
    width: 8px;
    height: 8px;
    background-color: var(--primary-red);
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease;
    mix-blend-mode: difference;
}

.cursor-outline {
    width: 30px;
    height: 30px;
    border: 2px solid var(--primary-navy);
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transition: all 0.3s ease;
    transform: translate(-50%, -50%);
}

/* =============================================
   ヒーローセクション
   ============================================= */
.hero {
    height: 100vh;
    position: relative;
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--accent-navy) 100%);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 2;
}

.hero-particles::before,
.hero-particles::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--primary-white);
    box-shadow: 
        20px 20px var(--primary-white),
        40px 80px var(--primary-white),
        80px 40px var(--primary-white),
        120px 120px var(--primary-white),
        160px 60px var(--primary-white),
        200px 180px var(--primary-white);
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) rotate(720deg); opacity: 0; }
}

/* ナビゲーション */
.navbar {
    position: relative;
    z-index: 10;
    padding: 20px 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: var(--primary-white);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: width 0.3s ease;
}

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

/* ヒーローコンテンツ */
.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 3;
    padding: 20px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--primary-white);
    margin-bottom: 20px;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--primary-white);
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-btn {
    display: inline-block;
    padding: 15px 40px;
    background: var(--primary-red);
    color: var(--primary-white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease 0.4s both;
    position: relative;
    overflow: hidden;
}

.hero-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.hero-btn:hover::before {
    width: 300px;
    height: 300px;
}

.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(220, 20, 60, 0.3);
}

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

.section-alt {
    background: var(--light-gray);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 60px;
    color: var(--primary-navy);
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-red);
    border-radius: 2px;
}

/* =============================================
   デスティネーションカード
   ============================================= */
.destination-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.destination-card {
    background: var(--primary-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
}

.destination-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow-dark);
}

.card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.destination-card:hover .card-image img {
    transform: scale(1.1);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.card-category {
    background: var(--primary-red);
    color: var(--primary-white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.card-content {
    padding: 25px;
}

.card-content h3 {
    color: var(--primary-navy);
    margin-bottom: 10px;
    font-size: 1.4rem;
}

.card-content p {
    color: var(--dark-gray);
    margin-bottom: 15px;
    line-height: 1.6;
}

.card-info {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.info-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--accent-navy);
    font-size: 0.9rem;
}

/* =============================================
   都市ショーケース
   ============================================= */
.city-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.city-card {
    background: var(--primary-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow);
    transition: all 0.3s ease;
}

.city-card.large {
    grid-column: span 2;
}

.city-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-dark);
}

.city-image {
    height: 250px;
    overflow: hidden;
}

.city-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.city-card:hover .city-image img {
    transform: scale(1.05);
}

.city-content {
    padding: 30px;
}

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

.city-badges {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.badge {
    background: var(--accent-red);
    color: var(--primary-white);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

.city-highlights {
    list-style: none;
    margin: 20px 0;
}

.city-highlights li {
    padding: 8px 0;
    border-bottom: 1px solid var(--medium-gray);
    color: var(--dark-gray);
}

.city-highlights li:last-child {
    border-bottom: none;
}

.city-logistics {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid var(--medium-gray);
}

.logistics-item {
    margin-bottom: 15px;
}

.logistics-item strong {
    color: var(--primary-navy);
    display: block;
    margin-bottom: 5px;
}

/* =============================================
   スキーリゾート
   ============================================= */
.ski-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.ski-card {
    background: var(--primary-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow);
    transition: all 0.3s ease;
}

.ski-card.featured {
    grid-column: span 2;
    grid-row: span 2;
}

.ski-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-dark);
}

.ski-image {
    position: relative;
    height: 200px;
}

.ski-card.featured .ski-image {
    height: 300px;
}

.ski-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ski-status {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.ski-status.open {
    background: #4CAF50;
    color: white;
}

.ski-status.soon {
    background: #FFC107;
    color: #333;
}

.ski-content {
    padding: 25px;
}

.ski-content h3 {
    color: var(--primary-navy);
    font-size: 1.6rem;
    margin-bottom: 10px;
}

.ski-location {
    color: var(--accent-navy);
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.ski-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.ski-info-item {
    padding: 15px;
    background: var(--light-gray);
    border-radius: 10px;
}

.ski-info-item strong {
    display: block;
    color: var(--primary-navy);
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.ski-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
}

.ski-details span {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

/* =============================================
   イベントタイムライン
   ============================================= */
.events-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.events-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--primary-navy);
}

.event-item {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    position: relative;
}

.event-item:nth-child(even) {
    flex-direction: row-reverse;
}

.event-date {
    background: var(--primary-red);
    color: var(--primary-white);
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    min-width: 80px;
    position: relative;
    z-index: 2;
}

.event-date .day {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
}

.event-date .month {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
}

.event-content {
    flex: 1;
    background: var(--primary-white);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 20px var(--shadow);
    margin: 0 30px;
}

.event-content h4 {
    color: var(--primary-navy);
    margin-bottom: 10px;
}

.event-type {
    color: var(--accent-navy);
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.event-location {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

/* =============================================
   Tips グリッド
   ============================================= */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.tip-card {
    background: var(--primary-white);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px var(--shadow);
    transition: all 0.3s ease;
}

.tip-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-dark);
}

.tip-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.tip-card h4 {
    color: var(--primary-navy);
    margin-bottom: 10px;
}

.tip-card p {
    color: var(--dark-gray);
    line-height: 1.6;
}

/* =============================================
   フッター
   ============================================= */
.footer {
    background: var(--primary-navy);
    color: var(--primary-white);
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 15px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: var(--primary-white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.8;
}

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

[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-right"] {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
}

[data-aos="fade-right"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="fade-left"] {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease;
}

[data-aos="fade-left"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.6s ease;
}

[data-aos="zoom-in"].aos-animate {
    opacity: 1;
    transform: scale(1);
}

[data-aos="flip-left"] {
    opacity: 0;
    transform: perspective(2500px) rotateY(-100deg);
    transition: all 0.6s ease;
}

[data-aos="flip-left"].aos-animate {
    opacity: 1;
    transform: perspective(2500px) rotateY(0);
}

/* =============================================
   レスポンシブデザイン
   ============================================= */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .city-card.large {
        grid-column: span 1;
    }
    
    .ski-card.featured {
        grid-column: span 1;
        grid-row: span 1;
    }
    
    .ski-info-grid {
        grid-template-columns: 1fr;
    }
    
    .events-timeline::before {
        left: 30px;
    }
    
    .event-item {
        flex-direction: row !important;
    }
    
    .event-content {
        margin-left: 80px !important;
        margin-right: 0 !important;
    }
}