/* Google Fontsからフォントをインポート */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&family=Noto+Sans+JP:wght@400;700&family=Noto+Serif+JP:wght@400;700&display=swap');

/* --- 基本デザイン設定 (デザインシステム) --- */
:root {
    --color-primary: #4A6B5C;
    /* 深い緑 */
    --color-secondary: #A88F7B;
    /* アースブラウン */
    --color-dark: #333333;
    --color-light: #FFFFFF;
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
    --font-en: 'Montserrat', sans-serif;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--color-dark);
    line-height: 1.8;
    background: #f9f9f9;
}

main {
    display: none;
}

/* 基本は全ページ非表示 */
main.active {
    display: block;
}

/* activeクラスが付いたページのみ表示 */

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h1,
h2,
h3 {
    font-family: var(--font-serif);
    font-weight: 700;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

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

.page-header {
    padding-top: 120px;
    padding-bottom: 60px;
    text-align: center;
    background: #f0f0f0;
}

.page-header h1 {
    font-size: 36px;
    margin: 0;
}

.content-section {
    padding: 80px 0;
}

.btn {
    display: inline-block;
    border: 1px solid var(--color-primary);
    padding: 10px 30px;
    border-radius: 5px;
    color: var(--color-primary);
    transition: all 0.3s;
    margin-top: 20px;
    font-family: var(--font-en);
    text-align: center;
    cursor: pointer;
}

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

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

.btn.primary:hover {
    background: #3a574a;
}

/* --- ヘッダー --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    box-sizing: border-box;
}

.logo a {
    font-family: var(--font-en);
    font-weight: 700;
    font-size: 24px;
    color: var(--color-dark);
    letter-spacing: 1px;
    cursor: pointer;
}

.nav-menu {
    display: block;
}

/* PCでは表示 */
.nav-menu ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-menu a {
    font-family: var(--font-en);
    font-size: 14px;
    color: var(--color-dark);
    transition: color 0.3s;
    cursor: pointer;
}

.nav-menu a:hover {
    color: var(--color-primary);
}

.nav-menu .reserve-btn a {
    border: 1px solid var(--color-primary);
    padding: 8px 15px;
    border-radius: 5px;
    color: var(--color-primary);
}

.nav-menu .reserve-btn a:hover {
    background: var(--color-primary);
    color: var(--color-light);
}

.hamburger-menu {
    display: none;
    cursor: pointer;
    z-index: 1001;
}

/* PCでは非表示 */

/* --- SP用ナビゲーション --- */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: translateX(100%);
    transition: transform 0.4s ease-in-out;
}

.mobile-nav.is-open {
    transform: translateX(0);
}

.mobile-nav ul {
    list-style: none;
    padding: 0;
    text-align: center;
}

.mobile-nav li {
    margin-bottom: 30px;
}

.mobile-nav a {
    font-family: var(--font-en);
    font-size: 20px;
    color: var(--color-dark);
}

/* --- メインビジュアル (トップページ) --- */
.hero {
    height: 100vh;
    background-image: url('../../assets/img/img_top_top.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--color-light);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.hero-content {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 30px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
}

.booking-widget {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 10px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.booking-widget input,
.booking-widget select {
    padding: 12px;
    border: 1px solid var(--color-light);
    background: transparent;
    color: var(--color-light);
    border-radius: 5px;
    font-family: var(--font-sans);
}

.booking-widget select {
    width: 180px;
}

.booking-widget select option {
    color: var(--color-dark);
}

.booking-widget button {
    padding: 12px 25px;
    border: none;
    background: var(--color-primary);
    color: var(--color-light);
    border-radius: 5px;
    cursor: pointer;
    font-family: var(--font-en);
    font-weight: 700;
    transition: background 0.3s;
}

.booking-widget button:hover {
    background: #3a574a;
}

/* --- トップページ コンテンツ --- */
.concept-intro {
    background: var(--color-light);
}

.concept-grid {
    display: grid;
    grid-template-columns: 40% 1fr;
    gap: 50px;
    align-items: center;
}

.concept-text h2,
.summary-text h2 {
    font-size: 32px;
    margin-top: 0;
}

.concept-text .subtitle {
    font-family: var(--font-serif);
    font-size: 20px;
    margin-bottom: 20px;
}

.locations {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.location-card {
    height: 500px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--color-light);
    overflow: hidden;
}

.location-card .bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.4s;
}

.location-card:hover .bg-image {
    transform: scale(1.05);
}

.location-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    transition: background 0.4s;
}

.location-card:hover::before {
    background: rgba(0, 0, 0, 0.3);
}

.location-content {
    position: relative;
    z-index: 10;
}

.location-content h3 {
    font-size: 28px;
    margin-bottom: 10px;
}

.location-content .btn {
    border-color: var(--color-light);
    color: var(--color-light);
}

.location-content .btn:hover {
    background: var(--color-light);
    color: var(--color-primary);
}

.news {
    background: #f9f9f9;
}

.news h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
}

.news-list ul {
    list-style: none;
    padding: 0;
    max-width: 700px;
    margin: 0 auto;
}

.news-list li {
    border-bottom: 1px solid #eee;
    padding: 15px 0;
}

.news-list li a {
    display: flex;
    gap: 20px;
    color: var(--color-dark);
}

.news-list .date {
    color: #888;
}

/* --- TOPページ追加要素 --- */
.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: var(--color-light);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.feature-card-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.access-summary {
    background: var(--color-light);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.access-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.access-item {
    text-align: center;
}

.access-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--color-primary);
}

/* --- サブページ共通 --- */
.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch;
}

.grid-2-col.reverse {
    grid-template-columns: 1fr 1fr;
}

/* PC用 */
.grid-2-col.reverse>div:first-child {
    order: 1;
}

.grid-2-col.reverse>div:last-child {
    order: 2;
}

/* --- FAQページ --- */
.faq-item {
    border-bottom: 1px solid #ddd;
}

.faq-question {
    padding: 20px 0;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    position: relative;
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: 10px;
    font-size: 24px;
    transition: transform 0.3s;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.faq-answer p {
    margin-top: 0;
    padding-bottom: 20px;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

/* --- 予約ページ --- */
.reservation-section h2 {
    font-size: 28px;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 10px;
    margin-top: 0;
    margin-bottom: 30px;
}

.reservation-section {
    margin-bottom: 60px;
}

.plan-card {
    display: flex;
    background: var(--color-light);
    border: 1px solid #eee;
    border-radius: 10px;
    margin-bottom: 25px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.plan-image {
    flex: 0 0 250px;
    position: relative;
    overflow: hidden;
}

.plan-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

/* --- 画像スライダー --- */
.room-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    max-width: 100%;
}

.room-slider-container {
    display: flex;
    transition: transform 0.4s ease-in-out;
    width: 100%;
}

.room-slider-slide {
    min-width: 100%;
    max-width: 100%;
    position: relative;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.room-slider-slide img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 16 / 9;
}

.room-slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.8);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--color-primary);
    z-index: 10;
    transition: background 0.3s;
}

.room-slider-nav:hover {
    background: rgba(255, 255, 255, 1);
}

.room-slider-nav.prev {
    left: 10px;
}

.room-slider-nav.next {
    right: 10px;
}

.room-slider-indicators {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.room-slider-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: background 0.3s;
}

.room-slider-indicator.active {
    background: rgba(255, 255, 255, 1);
}

.plan-details {
    flex-grow: 1;
    padding: 20px 25px;
}

.plan-details h3 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 22px;
}

.plan-details p {
    margin-bottom: 0;
    font-size: 15px;
    color: #666;
}

.plan-booking {
    flex: 0 0 200px;
    padding: 20px;
    border-left: 1px solid #eee;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.plan-price {
    font-size: 24px;
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.plan-price span {
    font-size: 14px;
    font-weight: normal;
}

/* --- フォーム --- */
.contact-form {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-light);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--color-dark);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: var(--font-sans);
    font-size: 14px;
    box-sizing: border-box;
}

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

.form-group input[type="radio"] {
    margin-right: 8px;
}

.form-group .radio-group {
    display: flex;
    gap: 20px;
    margin-top: 8px;
}

.form-group .radio-option {
    display: flex;
    align-items: center;
}

.form-group.room-select {
    display: none;
}

.form-group.room-select.show {
    display: block;
}

.form-group.reservation-required {
    display: block;
}

.form-submit {
    text-align: center;
    margin-top: 30px;
}

.form-submit button {
    background: var(--color-primary);
    color: var(--color-light);
    border: none;
    padding: 15px 40px;
    border-radius: 5px;
    font-family: var(--font-en);
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.form-submit button:hover {
    background: #3a574a;
}

.form-submit button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* 同意チェックボックス */
.form-group.agreement {
    margin-top: 30px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 5px;
    border: 1px solid #ddd;
}

.form-group.agreement.room-select {
    display: none;
}

.form-group.agreement.room-select.show {
    display: block;
}

.form-group.agreement .agreement-item {
    margin-bottom: 15px;
}

.form-group.agreement .agreement-item:last-child {
    margin-bottom: 0;
}

.form-group.agreement .agreement-item label {
    display: flex;
    align-items: flex-start;
    font-weight: normal;
    cursor: pointer;
    line-height: 1.6;
}

.form-group.agreement .agreement-item input[type="checkbox"] {
    margin-right: 10px;
    margin-top: 3px;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-group.agreement .agreement-item label span {
    flex: 1;
}

.form-group.agreement .agreement-item a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* --- フッター --- */
.footer {
    background: var(--color-dark);
    color: #ccc;
    padding: 50px 0;
    font-size: 14px;
    line-height: 1.8;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    /* スマートフォンでの表示崩れを防ぐ */
}

.footer-info h3 {
    font-family: var(--font-en);
    color: var(--color-light);
    margin: 0 0 15px 0;
    font-size: 20px;
    font-weight: 700;
}

.footer-info p {
    margin: 0;
}

.footer-info a {
    color: var(--color-light);
    text-decoration: underline;
    transition: color 0.3s;
}

.footer-info a:hover {
    color: var(--color-primary);
}

.footer-social {
    margin-top: 20px;
}

.footer-social a {
    display: inline-block;
    color: var(--color-light);
    transition: opacity 0.3s;
}

.footer-social a:hover {
    opacity: 0.7;
}

.footer-social svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

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

.title_logo { 
	width: 50vw;
}
.btn_yoyaku { 
	width: 300px;
}

/* --- レスポンシブデザイン --- */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hamburger-menu {
        display: block;
    }

    .hero h1 {
        font-size: 32px;
    }

    .booking-widget {
        flex-direction: column;
        width: 80%;
    }

    .booking-widget input,
    .booking-widget select {
        width: 100%;
        box-sizing: border-box;
    }

    .content-section {
        padding: 60px 0;
    }

    .concept-grid,
    .grid-2-col {
        display: flex;
        flex-direction: column;
        gap: 24px;
    }

    .grid-2-col.reverse {
        flex-direction: column-reverse;
    }

    .concept-text {
        padding-left: 0 !important;
        padding-top: 20px;
    }

    /* SPでは順番をリセット */
    .locations {
        grid-template-columns: 1fr;
    }

    /* 予約ページのSP対応 */
    .plan-card {
        flex-direction: column;
    }

    .plan-image {
        flex-basis: 200px;
    }

    .plan-booking {
        border-left: none;
        border-top: 1px solid #eee;
    }

    /* フッターのレスポンシブ対応 */
    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-info {
        margin-right: 0 !important;
        margin-bottom: 30px;
    }

    .footer-copyright {
        text-align: center;
        margin-top: 30px;
    }

    /* TOPページ追加要素のレスポンシブ対応 */
    .feature-cards {
        grid-template-columns: 1fr;
    }

    .access-summary-grid {
        grid-template-columns: 1fr;
    }

	.title_logo { 
		width: 90vw;
	}

	.btn_yoyaku { 
		width: 200px;
	}

}