/* ==========================================================================
   ワールドステイナビ (World Stay Navi) - Global Booking Portal Stylesheet
   安心感＋高品質デザイン・グラスモルフィズム・17カテゴリー絞り込みフィルター対応
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&family=Outfit:wght@500;600;700;800&display=swap');

:root {
    /* カラーパレット（Dark Obsidian & Gold / AI Neon） */
    --primary-blue: #0b0f19; /* ダーク・ミッドナイト */
    --primary-dark: #05070a; /* 漆黒 */
    --primary-light: #1e293b;
    --hero-bg-gradient: linear-gradient(135deg, #05070a 0%, #0b0f19 50%, #1a0b2e 100%);
    
    --accent-gold: #d4af37;  /* シャンパンゴールド */
    --accent-gold-hover: #f1cf65;
    --accent-emerald: #00f0ff; /* ネオンブルー（AI発光） */
    --accent-green: #8b5cf6; /* パープル（AI色） */

    --bg-body: #05070a;
    --bg-card: rgba(15, 23, 42, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --border-glass: rgba(255, 255, 255, 0.1);

    --text-main: #f8fafc;
    --text-sub: #cbd5e1;
    --text-muted: #94a3b8;
    --text-light: #ffffff;

    --border-color: rgba(255, 255, 255, 0.1);
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;

    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 16px 48px rgba(0, 240, 255, 0.15); /* ほのかなネオングロウ */

    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family: 'Noto Sans JP', 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .serif-text {
    font-family: 'Noto Serif JP', 'Cinzel', serif;
    font-weight: 700;
}

/* 1. PR表示 ＆ 常駐バナー */
.pr-header-banner {
    background-color: #0f172a;
    color: #cbd5e1;
    font-size: 0.8rem;
    padding: 6px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.pr-header-banner strong {
    background: rgba(255,255,255,0.15);
    color: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    margin-right: 6px;
}
.header-trust-badge {
    color: #38bdf8;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 2. ヘッダー */
.app-header {
    background-color: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 12px 24px;
    color: var(--text-light);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}
.header-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #fff;
}
.brand-icon-wrapper {
    background: linear-gradient(135deg, #00b4d8, #0056b3);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 4px 12px rgba(0, 180, 216, 0.4);
}
.brand-text {
    display: flex;
    flex-direction: column;
}
.main-brand {
    font-size: 1.25rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.1;
}
.sub-brand {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: #93c5fd;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}
.hover-translator-control {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.12);
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-hover-toggle {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
}
.btn-hover-toggle.active {
    color: #38bdf8;
}
.hover-lang-select {
    background: rgba(0,0,0,0.3);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 2px 6px;
    font-size: 0.75rem;
}
.hover-lang-select option {
    background-color: var(--primary-dark);
    color: #fff;
}
.lang-selector-wrapper {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #fff;
    font-size: 0.85rem;
}
.lang-selector-wrapper select {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    padding: 4px 10px;
    font-size: 0.8rem;
    cursor: pointer;
    outline: none;
}
.lang-selector-wrapper select option {
    background-color: var(--primary-dark);
    color: #fff;
}
.btn-admin-link {
    color: #fff;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 700;
    background: rgba(255,255,255,0.15);
    padding: 6px 12px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.btn-admin-link:hover {
    background: rgba(255,255,255,0.3);
}

/* 3. ヒーロー ＆ 6サービス検索 */
.hero-container {
    background: var(--hero-bg-gradient);
    color: #fff;
    padding: 40px 24px 60px;
    position: relative;
}
.hero-inner {
    max-width: 1280px;
    margin: 0 auto;
}
.hero-headline {
    text-align: center;
    margin-bottom: 30px;
}
.hero-tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.25);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    color: #93c5fd;
    margin-bottom: 12px;
}
.hero-headline h1 {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}
.hero-headline p {
    font-size: 1.05rem;
    color: #e0f2fe;
    max-width: 700px;
    margin: 0 auto;
}

/* 1. 6サービスタブ */
.service-nav-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: -1px;
    flex-wrap: wrap;
}
.service-tab {
    background: rgba(0, 24, 60, 0.6);
    backdrop-filter: blur(8px);
    color: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: none;
    padding: 12px 20px;
    border-radius: 12px 12px 0 0;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}
.service-tab:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}
.service-tab.active {
    background: var(--accent-gold);
    color: var(--primary-dark);
    border-color: var(--accent-gold);
    box-shadow: 0 -4px 16px rgba(255, 183, 0, 0.3);
}
.tab-plus {
    font-size: 0.65rem;
    opacity: 0.8;
}

/* メイン検索カード */
.main-search-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-top: 3px solid var(--accent-gold);
    border-radius: 0 0 16px 16px;
    padding: 24px;
    box-shadow: var(--shadow-lg);
    color: var(--text-main);
}
.search-inputs-grid {
    display: grid;
    grid-template-columns: 2fr 2fr 1.5fr;
    gap: 16px;
    margin-bottom: 20px;
}
.search-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.search-field label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-sub);
    display: flex;
    align-items: center;
    gap: 6px;
}
.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}
.input-with-icon input {
    width: 100%;
    padding: 14px 40px 14px 14px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    font-weight: 600;
    outline: none;
    transition: var(--transition);
}
.input-with-icon input:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 53, 128, 0.15);
}
.btn-clear-input {
    position: absolute;
    right: 12px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
}

.date-inputs-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 6px 12px;
    background: #fff;
}
.date-inputs-wrapper input {
    border: none;
    outline: none;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    width: 100%;
    cursor: pointer;
}
.date-separator {
    color: var(--text-muted);
    font-weight: bold;
}

.occupancy-trigger {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    text-align: left;
}
.occupancy-popover {
    position: absolute;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    padding: 16px;
    width: 280px;
    z-index: 50;
    margin-top: 80px;
}
.occupancy-popover.hidden {
    display: none;
}
.occupancy-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}
.label-group {
    display: flex;
    flex-direction: column;
}
.pop-title {
    font-size: 0.9rem;
    font-weight: 700;
}
.pop-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.counter-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}
.counter-controls button {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--primary-blue);
    background: #fff;
    color: var(--primary-blue);
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
}
.counter-controls span {
    font-size: 1rem;
    font-weight: bold;
    width: 16px;
    text-align: center;
}
.btn-popover-close {
    width: 100%;
    background: var(--primary-blue);
    color: #fff;
    border: none;
    padding: 8px;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
}

.search-submit-wrapper {
    text-align: center;
}
.btn-search-hero {
    background: linear-gradient(135deg, #003580 0%, #0056b3 100%);
    color: #fff;
    border: none;
    padding: 18px 48px;
    border-radius: var(--border-radius-md);
    font-size: 1.2rem;
    font-weight: 900;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 8px 24px rgba(0, 53, 128, 0.3);
    transition: var(--transition);
}
.btn-search-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 53, 128, 0.45);
    background: linear-gradient(135deg, #00224f 0%, #003580 100%);
}

.trust-features-bar {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    flex-wrap: wrap;
    gap: 16px;
}
.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: #e0f2fe;
}
.trust-item i {
    color: var(--accent-gold);
    font-size: 1.1rem;
}

/* 4. ポータルメインレイアウト */
.main-portal-container {
    max-width: 1280px;
    margin: 30px auto;
    padding: 0 20px;
}
.mobile-filter-bar {
    display: none;
    margin-bottom: 20px;
}
.btn-mobile-filter {
    width: 100%;
    background: #fff;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 12px;
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
}

.portal-grid-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 28px;
}

/* ６、超充実の絞り込み検索（サイドバー） */
.filter-sidebar {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    height: fit-content;
    position: sticky;
    top: 80px;
}
.filter-sidebar-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px 12px 0 0;
}
.filter-sidebar-header h3 {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}
.btn-reset-filters {
    background: transparent;
    border: none;
    color: var(--primary-blue);
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
}
.btn-close-mobile-filter {
    display: none;
    background: transparent;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
}

.filter-scroll-content {
    max-height: calc(100vh - 160px);
    overflow-y: auto;
    padding: 12px 16px;
}

.filter-group {
    border-bottom: 1px solid #f1f5f9;
    padding: 14px 0;
}
.filter-group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}
.filter-group-header h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 6px;
}
.accordion-icon {
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: transform 0.2s;
}
.filter-group.open .accordion-icon {
    transform: rotate(180deg);
}

.filter-options-body {
    display: none;
    margin-top: 10px;
    flex-direction: column;
    gap: 8px;
}
.filter-group.open .filter-options-body {
    display: flex;
}

.filter-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-sub);
    cursor: pointer;
    transition: var(--transition);
}
.filter-checkbox:hover {
    color: var(--primary-blue);
}
.filter-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-blue);
    margin-top: 2px;
    cursor: pointer;
}

.filter-sidebar-footer {
    display: none;
    padding: 16px;
    border-top: 1px solid var(--border-color);
}
.btn-apply-mobile {
    width: 100%;
    background: var(--primary-blue);
    color: #fff;
    border: none;
    padding: 12px;
    border-radius: var(--border-radius-sm);
    font-weight: bold;
    cursor: pointer;
}

/* メインコンテンツセクション */
.portal-main-content {
    display: flex;
    flex-direction: column;
    gap: 36px;
}

.active-chips-container {
    background: #ebf3ff;
    border: 1px solid #bfdbfe;
    border-radius: var(--border-radius-md);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.active-chips-container.hidden {
    display: none;
}
.chips-label {
    font-size: 0.85rem;
    font-weight: bold;
    color: var(--primary-blue);
}
.chips-list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.chip-item {
    background: #fff;
    border: 1px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 4px 10px;
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}
.btn-remove-chip {
    cursor: pointer;
}
.btn-clear-chips {
    background: transparent;
    border: none;
    color: #ef4444;
    font-weight: bold;
    font-size: 0.8rem;
    cursor: pointer;
}

/* ポータル共通セクション */
.portal-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #f1f5f9;
}
.section-title-group h2 {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}
.section-title-group p {
    font-size: 0.85rem;
    color: var(--text-sub);
    margin-top: 4px;
}

/* ３、ユニークな宿泊施設カード */
.unique-stays-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 16px;
}
.unique-stay-card {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
    background: #fff;
}
.unique-stay-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.unique-card-image {
    height: 140px;
    background-size: cover;
    background-position: center;
    position: relative;
    padding: 10px;
}
.unique-tag {
    background: rgba(0, 34, 79, 0.85);
    color: var(--accent-gold);
    font-size: 0.75rem;
    font-weight: bold;
    padding: 3px 8px;
    border-radius: 4px;
}
.unique-card-body {
    padding: 12px;
}
.unique-card-body h3 {
    font-size: 0.95rem;
    font-weight: 800;
    margin-bottom: 4px;
}
.unique-card-body p {
    font-size: 0.75rem;
    color: var(--text-sub);
}

/* ４、バケーションレンタル ＆ 検索結果カード */
.vacation-rentals-grid, .hotel-results-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.hotel-card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    background: var(--bg-card);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    cursor: pointer;
}
.hotel-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.hotel-card-image {
    height: 180px;
    background-size: cover;
    background-position: center;
    position: relative;
}
.hotel-badge-stars {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--accent-gold);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: bold;
}
.hotel-badge-type {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--primary-blue);
    color: #fff;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: bold;
}
.hotel-card-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.hotel-name {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 4px;
    font-family: 'Noto Serif JP', serif;
}
.hotel-location {
    font-size: 0.8rem;
    color: var(--text-sub);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}
.hotel-features-tags {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}
.feature-tag {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-sub);
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}
.hotel-card-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}
.hotel-score-badge {
    background: var(--primary-dark);
    color: var(--accent-emerald);
    padding: 4px 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.score-num {
    background: var(--accent-gold);
    color: var(--primary-dark);
    padding: 2px 6px;
    border-radius: 4px;
}
.hotel-price-group {
    text-align: right;
}
.price-label {
    font-size: 0.7rem;
    color: var(--text-muted);
}
.price-value {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--primary-blue);
}

/* ５、日本からの旅行者に人気 */
.popular-subtabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.pop-subtab {
    background: #f1f5f9;
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}
.pop-subtab.active {
    background: var(--primary-blue);
    color: #fff;
    border-color: var(--primary-blue);
}

.popular-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}
.popular-dest-card {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    height: 160px;
    background-size: cover;
    background-position: center;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}
.popular-dest-card:hover {
    transform: scale(1.02);
}
.popular-dest-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 34, 79, 0.85) 0%, transparent 60%);
    padding: 12px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: #fff;
}
.popular-dest-overlay h4 {
    font-size: 1.05rem;
    font-weight: 800;
}
.popular-dest-overlay p {
    font-size: 0.75rem;
    color: #93c5fd;
}

/* 5. フッター */
.app-footer {
    background: #0f172a;
    color: #cbd5e1;
    padding: 48px 24px 24px;
    margin-top: 60px;
}
.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 3fr;
    gap: 40px;
}
.brand-logo-footer {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 900;
    color: #fff;
    margin-bottom: 12px;
}
.footer-brand p {
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 16px;
}
.footer-security-badges {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.8rem;
    color: #38bdf8;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.footer-col h4 {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 800;
    margin-bottom: 12px;
}
.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.footer-col a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition);
}
.footer-col a:hover {
    color: #fff;
}

.footer-bottom {
    max-width: 1280px;
    margin: 36px auto 0;
    padding-top: 20px;
    border-top: 1px solid #1e293b;
    text-align: center;
    font-size: 0.75rem;
    color: #64748b;
}

/* レスポンシブ調整 */
@media (max-width: 1024px) {
    .portal-grid-layout {
        grid-template-columns: 1fr;
    }
    .filter-sidebar {
        display: none;
        position: fixed;
        inset: 0;
        z-index: 200;
        border-radius: 0;
        height: 100vh;
    }
    .filter-sidebar.active {
        display: flex;
        flex-direction: column;
    }
    .btn-close-mobile-filter {
        display: block;
    }
    .filter-sidebar-footer {
        display: block;
    }
    .mobile-filter-bar {
        display: block;
    }
    .search-inputs-grid {
        grid-template-columns: 1fr;
    }
    .footer-inner {
        grid-template-columns: 1fr;
    }
}

/* ==== 追加UX強化スタイル ==== */

/* 宿泊数バッジ & 日付列レイアウト */
.date-inputs-wrapper {
    display: flex;
    align-items: center;
    gap: 0;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: #fff;
    overflow: hidden;
}
.date-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 8px 12px;
}
.date-sublabel {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}
.date-col input[type="date"] {
    border: none;
    outline: none;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    cursor: pointer;
    background: transparent;
}
.nights-badge-col {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}
.nights-badge {
    background: var(--primary-blue);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 4px 8px;
    border-radius: 12px;
    white-space: nowrap;
    animation: pulse-badge 2s ease-in-out infinite;
}
@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* 子ども年齢セレクター */
.child-age-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 6px 0;
    font-size: 0.85rem;
}
.child-age-select {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 0.85rem;
    flex: 1;
}

/* ホテルカードのプレミアム感向上 */
.hotel-card {
    position: relative;
}
.hotel-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-emerald));
    transform: scaleX(0);
    transition: transform 0.3s ease;
    z-index: 1;
}
.hotel-card:hover::before {
    transform: scaleX(1);
}

/* お気に入りボタン（ハート） */
.hotel-card-image .fav-btn {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(255,255,255,0.95);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: #cbd5e1;
    font-size: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.hotel-card-image .fav-btn:hover,
.hotel-card-image .fav-btn.active {
    color: #ef4444;
    background: #fff;
}

/* 評価スコア色分け */
.score-num.score-excellent { background: #00875a; }
.score-num.score-good { background: #007f5f; }
.score-num.score-ok { background: #e9c46a; color: #333; }

/* 残室わずかバッジ */
.badge-urgency {
    background: rgba(220, 38, 38, 0.2);
    color: #fca5a5;
    border: 1px solid rgba(220, 38, 38, 0.3);
    font-size: 0.7rem;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 4px;
    margin-top: 6px;
    display: inline-block;
}

/* スライドイン時のスムーズ表示（フィルターサイドバーモバイル） */
.filter-sidebar.active {
    animation: slideInLeft 0.25s ease;
}
@keyframes slideInLeft {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

/* フィルターチェックボックス：選択時のハイライト */
.filter-checkbox:has(input:checked) {
    color: var(--primary-blue);
    font-weight: 700;
}
.filter-checkbox:has(input:checked) span {
    color: var(--primary-blue);
}

/* ヒーローヘッドライン スマホ対応 */
@media (max-width: 768px) {
    .hero-headline h1 {
        font-size: 1.7rem;
    }
    .service-nav-tabs {
        gap: 4px;
    }
    .service-tab {
        font-size: 0.75rem;
        padding: 8px 12px;
    }
    .unique-stays-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .popular-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-links-grid {
        grid-template-columns: 1fr;
    }
    .trust-features-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .nights-badge-col {
        padding: 0 4px;
    }
}