/* ===================================
   基本設定
   =================================== */
:root {
    /* 和モダンカラーパレット */
    --color-primary: #2c3e50;        /* 濃紺 */
    --color-secondary: #8b7355;      /* 茶褐色 */
    --color-accent: #c19a6b;         /* 金茶 */
    --color-text: #333333;
    --color-text-light: #666666;
    --color-bg: #fafaf8;             /* 和紙色 */
    --color-white: #ffffff;
    --color-border: #e0e0e0;
    
    /* フォント */
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* トランジション */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===================================
   コンテナ
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===================================
   ヘッダー
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: transparent;
    z-index: 1000;
    transition: var(--transition);
    padding: 1.5rem 0;
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 80px;
    width: auto;
    display: block;
    transition: var(--transition);
    filter: brightness(0) invert(1);
}

.header.scrolled .logo-img {
    height: 65px;
    filter: none;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-white);
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.header.scrolled .logo-text {
    color: var(--color-primary);
}

.logo-subtitle {
    font-size: 0.75rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.1em;
}

.header.scrolled .logo-subtitle {
    color: var(--color-text-light);
}

.nav-list {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-list a {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--color-white);
    letter-spacing: 0.05em;
    position: relative;
}

.header.scrolled .nav-list a {
    color: var(--color-text);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: var(--transition);
}

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

.nav-cta {
    padding: 0.5rem 1.5rem;
    background-color: var(--color-accent);
    color: var(--color-white) !important;
    border-radius: 2px;
}

.nav-cta:hover {
    background-color: var(--color-secondary);
}

.nav-cta::after {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition);
}

.header.scrolled .hamburger span {
    background-color: var(--color-primary);
}

/* ===================================
   ヒーローセクション
   =================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--color-white);
    z-index: 2;
    width: 90%;
    max-width: 800px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    letter-spacing: 0.1em;
    animation: fadeInUp 1s ease-out;
}

.hero-description {
    font-size: 1.1rem;
    font-weight: 300;
    line-height: 2;
    margin-bottom: 2.5rem;
    letter-spacing: 0.05em;
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

.hero-slider-dots {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active,
.dot:hover {
    background-color: var(--color-white);
    transform: scale(1.2);
}

/* ===================================
   ボタン
   =================================== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.05rem;
}

/* ===================================
   セクション共通
   =================================== */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--color-primary);
    line-height: 1.6;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-light);
    font-weight: 300;
    letter-spacing: 0.05em;
}

.title-decoration {
    width: 60px;
    height: 2px;
    background-color: var(--color-accent);
    margin: 1.5rem auto 0;
}

/* ===================================
   コンセプトセクション
   =================================== */
.concept {
    background-color: var(--color-white);
}

.concept-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.lead-text {
    font-size: 1.2rem;
    font-weight: 400;
    line-height: 2;
    color: var(--color-primary);
    margin-bottom: 2rem;
}

.concept-text p {
    margin-bottom: 1.5rem;
    line-height: 2;
}

.concept-image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.concept-image-grid img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 2px;
}

/* ===================================
   ヴィラセクション
   =================================== */
.villas {
    background-color: var(--color-bg);
}

.villa-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.villa-card {
    background-color: var(--color-white);
    border-radius: 2px;
    overflow: hidden;
    transition: var(--transition);
}

.villa-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.villa-link {
    display: block;
}

.villa-image {
    position: relative;
    height: 350px;
    overflow: hidden;
}

.villa-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.villa-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.villa-card:hover .villa-overlay {
    opacity: 1;
}

.view-details {
    color: var(--color-white);
    font-size: 1.1rem;
    font-weight: 400;
    letter-spacing: 0.05em;
}

.villa-content {
    padding: 2rem;
}

.villa-name {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.villa-name-en {
    font-size: 0.85rem;
    color: var(--color-text-light);
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.villa-description {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 1.5rem;
}

.villa-features {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.villa-features span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.villa-features i {
    color: var(--color-accent);
}

/* ===================================
   体験セクション
   =================================== */
.experience {
    background-color: var(--color-white);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.experience-card {
    background-color: var(--color-bg);
    border-radius: 2px;
    overflow: hidden;
    transition: var(--transition);
}

.experience-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.experience-link {
    display: block;
}

.experience-image {
    height: 300px;
    overflow: hidden;
}

.experience-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.experience-content {
    padding: 2.5rem;
}

.experience-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.experience-description {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 1.5rem;
}

.experience-more {
    color: var(--color-accent);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.experience-card:hover .experience-more {
    gap: 1rem;
}

/* ===================================
   飛騨高山について
   =================================== */
.about-takayama {
    background-color: var(--color-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    margin-bottom: 1.5rem;
    line-height: 2;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 2px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

/* ===================================
   アクセスセクション
   =================================== */
.access {
    background-color: var(--color-white);
}

.access-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.access-info h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    margin-top: 2rem;
}

.access-info h3:first-child {
    margin-top: 0;
}

.access-list li {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.access-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.access-list i {
    color: var(--color-accent);
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.access-list strong {
    display: block;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.access-list p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

.access-map {
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-placeholder {
    width: 100%;
    height: 400px;
    background-color: var(--color-bg);
    border-radius: 2px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

.map-placeholder i {
    font-size: 4rem;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.map-placeholder p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

/* ===================================
   お問い合わせセクション
   =================================== */
.contact {
    background-color: var(--color-bg);
}

.contact-form {
    background-color: var(--color-white);
    padding: 3rem;
    border-radius: 2px;
    margin-bottom: 3rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.required {
    color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: var(--font-sans);
    border: 1px solid var(--color-border);
    border-radius: 2px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(193, 154, 107, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-info-box {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: 2px;
}

.contact-info-box h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-method {
    display: flex;
    gap: 1.5rem;
}

.contact-method i {
    color: var(--color-accent);
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.contact-method strong {
    display: block;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.contact-method p {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

/* ===================================
   フッター
   =================================== */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo-img {
    height: 90px;
    width: auto;
    display: block;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.footer-text {
    font-size: 0.95rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
}

.footer-heading {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

/* 予約ボタンセクション */
.booking-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a2a3a 100%);
    padding: 4rem 0;
    margin: 4rem 0;
}

.booking-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.booking-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: white;
    margin-bottom: 1rem;
    font-weight: 500;
}

.booking-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.booking-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.booking-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    min-width: 200px;
    justify-content: center;
}

.booking-btn i {
    font-size: 1.3rem;
}

.booking-btn-airbnb {
    background: #FF385C;
    color: white;
}

.booking-btn-airbnb:hover {
    background: #E31C5F;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 56, 92, 0.4);
}

.booking-btn-booking {
    background: #003580;
    color: white;
}

.booking-btn-booking:hover {
    background: #00224F;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 53, 128, 0.4);
}

.booking-btn-yahoo {
    background: #FF0033;
    color: white;
}

.booking-btn-yahoo:hover {
    background: #CC0029;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 0, 51, 0.4);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .booking-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .booking-btn {
        width: 100%;
    }
    
    .booking-title {
        font-size: 1.6rem;
    }
    
    .booking-subtitle {
        font-size: 1rem;
    }
}

/* レビューセクション */
.reviews-section {
    background: #f8f9fa;
    padding: 4rem 0;
    margin: 3rem 0 0;
}

.reviews-header {
    text-align: center;
    margin-bottom: 3rem;
}

.reviews-rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.rating-score {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-color);
}

.rating-stars {
    color: #FFD700;
    font-size: 1.5rem;
}

.rating-count {
    color: #666;
    font-size: 1.1rem;
}

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

.review-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.review-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
}

.review-info {
    flex: 1;
}

.review-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.review-date {
    color: #999;
    font-size: 0.9rem;
}

.review-stars {
    color: #FFD700;
}

.review-platform {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.review-platform.airbnb {
    background: #FFE8EC;
    color: #FF385C;
}

.review-platform.booking {
    background: #E6F0FF;
    color: #003580;
}

.review-text {
    color: var(--text-color);
    line-height: 1.7;
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Google翻訳ボタン（ハイブリッドシステム）
   =================================== */

.google-translate-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 2rem 0;
    margin: 2rem 0;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.google-translate-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.google-translate-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.google-translate-subtitle {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

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

.google-translate-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: white;
    color: var(--text-color);
    border: 2px solid #ddd;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    cursor: pointer;
}

.google-translate-btn i {
    color: #4285f4;
    font-size: 1.1rem;
}

.google-translate-btn:hover {
    background: #4285f4;
    color: white;
    border-color: #4285f4;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.3);
}

.google-translate-btn:hover i {
    color: white;
}

.translate-help-toggle {
    display: inline-block;
    margin-top: 1rem;
    color: #666;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: underline;
    transition: color 0.3s ease;
}

.translate-help-toggle:hover {
    color: var(--primary-color);
}

.translate-help {
    max-width: 700px;
    margin: 1rem auto 0;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: left;
    display: none;
}

.translate-help.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.translate-help h4 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.translate-help ol {
    margin: 0;
    padding-left: 1.5rem;
}

.translate-help li {
    margin: 0.75rem 0;
    line-height: 1.6;
    color: var(--text-color);
}

.translate-help strong {
    color: var(--primary-color);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .google-translate-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .google-translate-btn {
        width: 100%;
        justify-content: center;
    }
    
    .google-translate-title {
        font-size: 1.1rem;
    }
    
    .google-translate-subtitle {
        font-size: 0.85rem;
    }
}

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   スクロールトップボタン
   =================================== */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: var(--color-secondary);
    transform: translateY(-5px);
}

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   レスポンシブデザイン
   =================================== */

/* タブレット */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .concept-content,
    .about-content,
    .access-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .villa-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .experience-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
}

/* スマートフォン */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .container,
    .container-wide,
    .container-narrow {
        padding: 0 1.5rem;
    }

    .header-container {
        padding: 0 1.5rem;
    }

    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 2rem;
        gap: 1.5rem;
        transition: var(--transition);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    }

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

    .nav-list a {
        color: var(--color-primary) !important;
        font-size: 1.1rem;
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.5;
    }

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

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .lead-text {
        font-size: 1.1rem;
    }

    .concept-image-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .contact-form {
        padding: 2rem 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .scroll-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
}