/**
 * 組み合わせツアー - Frontend Styles
 */

/* Variables */
:root {
    --etb-primary: #2c5282;
    --etb-primary-dark: #1a365d;
    --etb-secondary: #718096;
    --etb-success: #38a169;
    --etb-warning: #d69e2e;
    --etb-error: #e53e3e;
    --etb-border: #e2e8f0;
    --etb-background: #f7fafc;
    --etb-text: #2d3748;
    --etb-text-light: #718096;
    --etb-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --etb-shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.1);
    --etb-radius: 8px;
}

/* Reset for theme conflicts */
.etb-container *,
.etb-container *::before,
.etb-container *::after,
.etb-modal *,
.etb-modal *::before,
.etb-modal *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* テーマCSS上書き: button min-width:250px, select width:100% 等を無効化 */
.etb-container button,
.etb-container select,
.etb-modal button,
.etb-modal select {
    min-width: auto;
    width: auto;
}

/* Header Navigation */
.etb-header-nav {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 15px;
    background: var(--etb-background);
    border-radius: 6px;
    margin-bottom: 5px;
}

/* Version Info */
.etb-version-info {
    font-size: 11px;
    color: var(--etb-text-light);
}

/* My Page Link */
.etb-mypage-link a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 13px;
    color: var(--etb-primary);
    background: white;
    border: 1px solid var(--etb-primary);
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.etb-mypage-link a:hover {
    background: var(--etb-primary);
    color: white;
}

.etb-btn-outline-small {
    padding: 6px 12px !important;
    font-size: 12px !important;
}

/* No Tours Message */
.etb-no-tours {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 30px;
    background: white;
    border-radius: var(--etb-radius);
    box-shadow: var(--etb-shadow);
    color: var(--etb-text-light);
}

.etb-no-tours p {
    margin-bottom: 10px;
}

/* Container */
.etb-container {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.etb-container h2,
.etb-container h3,
.etb-container h4,
.etb-modal h3 {
    margin-top: 0;
}

/* Steps */
.etb-steps {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
    padding: 15px;
    background: white;
    border-radius: var(--etb-radius);
    box-shadow: var(--etb-shadow);
}

.etb-step {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--etb-text-light);
    transition: all 0.3s ease;
    cursor: pointer;
    border-radius: 8px;
}

.etb-step:hover {
    background: rgba(44, 82, 130, 0.1);
}

.etb-step.active {
    color: var(--etb-primary);
}

.etb-step.completed {
    color: var(--etb-success);
}

.etb-step.completed:hover {
    background: rgba(56, 161, 105, 0.1);
}

.etb-step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--etb-border);
    font-weight: bold;
}

.etb-step.active .etb-step-number {
    background: var(--etb-primary);
    color: white;
}

.etb-step.completed .etb-step-number {
    background: var(--etb-success);
    color: white;
}

.etb-step-label {
    font-size: 14px;
    font-weight: 500;
}

/* Section Titles */
.etb-section-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--etb-text);
    margin-bottom: 10px;
}

.etb-section-desc {
    color: var(--etb-text-light);
    margin-bottom: 30px;
}

/* Tour Grid */
.etb-tour-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

/* Tour Card */
.etb-tour-card {
    background: white;
    border-radius: var(--etb-radius);
    box-shadow: var(--etb-shadow);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.etb-tour-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--etb-shadow-lg);
}

.etb-tour-card.disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* 選択不可ツアー */
.etb-tour-card.etb-tour-unavailable {
    opacity: 0.6;
    filter: grayscale(30%);
}

.etb-tour-card.etb-tour-unavailable:hover {
    transform: none;
    box-shadow: var(--etb-shadow);
}

.etb-tour-card.etb-tour-in-cart {
    border: 2px solid var(--etb-success);
    position: relative;
}

.etb-tour-card.etb-tour-in-cart::after {
    content: '✓ 選択済み';
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--etb-success);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.etb-tour-card.etb-tour-unavailable .etb-add-tour:disabled {
    background: #a0aec0 !important;
    cursor: not-allowed;
}

.etb-tour-image {
    height: 180px;
    overflow: hidden;
}

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

.etb-tour-info {
    padding: 20px;
}

.etb-tour-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--etb-text);
    margin-bottom: 10px;
}

.etb-tour-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--etb-text-light);
}

.etb-tour-description {
    font-size: 14px;
    color: var(--etb-text-light);
    line-height: 1.6;
    margin-bottom: 15px;
}

.etb-tour-period {
    font-size: 13px;
    color: var(--etb-primary);
    background: rgba(44, 82, 130, 0.1);
    padding: 8px 12px;
    border-radius: 4px;
    margin-bottom: 15px;
}

/* Buttons */
.etb-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    padding: 10px 20px !important;
    border: none !important;
    border-radius: var(--etb-radius) !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    text-decoration: none !important;
    box-shadow: none !important;
    outline: none !important;
    line-height: 1.4 !important;
}

.etb-btn:disabled {
    opacity: 0.5 !important;
    cursor: not-allowed !important;
}

.etb-btn-primary {
    background: #2c5282 !important;
    color: white !important;
}

.etb-btn-primary:hover:not(:disabled),
.etb-btn-primary:focus:not(:disabled) {
    background: #1a365d !important;
    color: white !important;
    text-decoration: none !important;
}

.etb-btn-secondary {
    background: #e2e8f0 !important;
    color: #2d3748 !important;
}

.etb-btn-secondary:hover:not(:disabled),
.etb-btn-secondary:focus:not(:disabled) {
    background: #cbd5e0 !important;
    color: #2d3748 !important;
    text-decoration: none !important;
}

.etb-btn-full {
    width: 100% !important;
}

.etb-btn-large {
    padding: 15px 30px !important;
    font-size: 16px !important;
}

/* Sidebar */
.etb-sidebar {
    position: sticky;
    top: 20px;
    height: fit-content;
}

.etb-cart-summary {
    background: white;
    border-radius: var(--etb-radius);
    box-shadow: var(--etb-shadow);
    padding: 20px;
}

.etb-cart-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    color: var(--etb-text);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--etb-border);
}

.etb-cart-count {
    background: var(--etb-primary);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
}

.etb-cart-list {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 20px;
}

.etb-cart-empty {
    text-align: center;
    color: var(--etb-text-light);
    padding: 20px;
}

.etb-cart-summary-item {
    display: block !important;
    padding: 12px !important;
    margin-bottom: 10px !important;
    background: #f8f9fa !important;
    border-radius: 6px !important;
    border: 1px solid #e2e8f0 !important;
    position: relative !important;
}

.etb-cart-item-name {
    display: block !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    color: #1a202c !important;
    line-height: 1.4 !important;
    margin-bottom: 6px !important;
    padding-right: 30px !important;
}

.etb-cart-item-period {
    display: block !important;
    font-size: 11px !important;
    color: #1565c0 !important;
    margin-top: 2px !important;
    line-height: 1.3 !important;
}

.etb-cart-item-days {
    display: inline-block !important;
    font-size: 12px !important;
    color: #718096 !important;
    background: #e2e8f0 !important;
    padding: 2px 8px !important;
    border-radius: 4px !important;
}

/* 削除ボタン - より詳細なセレクタで確実に適用 */
.etb-container .etb-cart-summary-item button.etb-remove-item,
.etb-container button.etb-remove-item,
button.etb-remove-item {
    position: absolute !important;
    top: 8px !important;
    right: 8px !important;
    width: 22px !important;
    height: 22px !important;
    min-width: 22px !important;
    min-height: 22px !important;
    max-width: 22px !important;
    max-height: 22px !important;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    background-color: #e53e3e !important;
    background-image: none !important;
    color: white !important;
    cursor: pointer !important;
    font-size: 14px !important;
    font-weight: bold !important;
    line-height: 22px !important;
    text-align: center !important;
    border-radius: 50% !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    -webkit-appearance: none !important;
    appearance: none !important;
}

.etb-container .etb-cart-summary-item button.etb-remove-item:hover,
.etb-container button.etb-remove-item:hover,
button.etb-remove-item:hover {
    background-color: #c53030 !important;
    transform: scale(1.1) !important;
}

.etb-cart-total {
    border-top: 1px solid var(--etb-border);
    padding-top: 15px;
    margin-bottom: 20px;
}

.etb-total-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 14px;
}

.etb-discount {
    color: var(--etb-success);
}

.etb-grand-total {
    font-size: 18px;
    font-weight: 600;
    color: var(--etb-text);
}

/* ツアー別料金内訳 */
#etb-tour-breakdown-row {
    margin: 12px 0;
}

.etb-tour-breakdown {
    padding: 12px;
    background: #fff9e6;
    border-radius: 6px;
    border: 1px solid #f0d060;
}

.etb-tour-breakdown-title {
    font-size: 13px;
    font-weight: 600;
    color: #8b6914;
    margin-bottom: 8px;
}

.etb-tour-breakdown-item {
    font-size: 13px;
    padding: 10px 0;
    border-bottom: 1px dashed #e5d9a8;
}

.etb-tour-breakdown-item:last-child {
    border-bottom: none;
}

.etb-tour-breakdown-name {
    font-weight: 600;
    color: var(--etb-text);
    margin-bottom: 6px;
    font-size: 13px;
}

.etb-tour-breakdown-persons {
    padding-left: 12px;
    margin-bottom: 6px;
}

.etb-tour-breakdown-person {
    font-size: 12px;
    color: var(--etb-text-light);
    line-height: 1.6;
}

.etb-tour-breakdown-total {
    font-size: 13px;
    font-weight: 600;
    text-align: right;
    color: #8b6914;
}

.etb-tour-breakdown-price {
    font-weight: 600;
    color: var(--etb-text);
    margin-left: 10px;
}

.etb-tour-breakdown-note {
    font-size: 11px;
    color: var(--etb-text-light);
    margin-left: 8px;
    width: 100%;
}

/* 1名あたり料金表示 */
#etb-per-person-row {
    margin: 12px 0;
    padding: 12px;
    background: #f9fafb;
    border-radius: 6px;
    border: 1px solid #e5e7eb;
}

.etb-per-person-prices {
    font-size: 13px;
    line-height: 1.8;
}

.etb-per-person-row {
    color: var(--etb-text);
}

.etb-per-person-row small {
    color: var(--etb-text-light);
    font-size: 11px;
    margin-left: 2px;
}

/* 確認画面の1名あたり料金 */
.etb-per-person-confirm {
    background: #f9fafb;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 15px;
    border: 1px solid #e5e7eb;
}

.etb-per-person-confirm .etb-per-person-row {
    line-height: 1.8;
    font-size: 14px;
}

.etb-per-person-confirm .etb-per-person-row small {
    color: var(--etb-text-light);
    font-size: 11px;
}

/* Form */
.etb-form {
    background: white;
    padding: 30px;
    border-radius: var(--etb-radius);
    box-shadow: var(--etb-shadow);
}

.etb-form-group {
    margin-bottom: 20px;
}

.etb-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--etb-text);
}

.etb-form-group .required {
    color: var(--etb-error);
}

.etb-form-group input,
.etb-form-group select,
.etb-form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--etb-border);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.etb-form-group input:focus,
.etb-form-group select:focus,
.etb-form-group textarea:focus {
    outline: none;
    border-color: var(--etb-primary);
}

.etb-form-row {
    display: flex;
    gap: 15px;
}

.etb-half {
    flex: 1;
}

/* パスワード入力欄 */
.etb-password-wrapper {
    position: relative;
    display: flex;
    gap: 8px;
    align-items: stretch;
}

.etb-password-wrapper input {
    flex: 1;
    min-width: 0;
}

.etb-password-toggle {
    padding: 8px 12px;
    background: #718096;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    flex-shrink: 0;
    min-width: auto;      /* テーマCSS(button min-width:250px)を上書き */
    max-width: 60px;
}

.etb-password-toggle:hover {
    background: #4a5568;
}

/* 個人情報保護方針ボックス */
.etb-privacy-policy {
    margin: 20px 0;
    border: 1px solid var(--etb-border);
    border-radius: 6px;
    overflow: hidden;
}

.etb-policy-content {
    max-height: 150px;
    overflow-y: auto;
    padding: 15px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--etb-text);
    background: #fafafa;
}

/* チェックボックスグループ */
.etb-checkbox-group {
    text-align: center;
}

.etb-checkbox-group label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.etb-checkbox-group input[type="checkbox"] {
    width: auto;
}

/* 必須マーク */
.etb-form-group .required {
    background: var(--etb-error);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    margin-left: 8px;
}

.etb-third {
    flex: 1;
}

/* Navigation Buttons */
.etb-nav-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--etb-border);
}

/* Modal */
.etb-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.etb-modal-content {
    background: white;
    border-radius: var(--etb-radius);
    padding: 30px;
    width: 100%;
    max-width: 480px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    margin: 20px;
}

.etb-modal-close {
    position: absolute !important;
    top: 15px !important;
    right: 15px !important;
    width: 32px !important;
    height: 32px !important;
    min-width: 32px !important;
    min-height: 32px !important;
    border: none !important;
    background: #f0f0f0 !important;
    border-radius: 50% !important;
    font-size: 24px !important;
    line-height: 1 !important;
    cursor: pointer !important;
    color: #666 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.2s ease !important;
    padding: 0 !important;
    margin: 0 !important;
    text-decoration: none !important;
    box-shadow: none !important;
    outline: none !important;
}

.etb-modal-close:hover,
.etb-modal-close:focus {
    background: #e0e0e0 !important;
    color: #333 !important;
    text-decoration: none !important;
    box-shadow: none !important;
    outline: none !important;
}

.etb-modal-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 24px;
    padding-right: 40px;
    color: var(--etb-text);
    line-height: 1.4;
}

.etb-modal-actions {
    display: flex !important;
    justify-content: flex-end !important;
    gap: 12px !important;
    margin-top: 24px !important;
    padding-top: 20px !important;
    border-top: 1px solid var(--etb-border) !important;
}

.etb-modal-actions .etb-btn {
    padding: 12px 24px !important;
    font-size: 15px !important;
    min-width: 120px !important;
    text-align: center !important;
    text-decoration: none !important;
    border: none !important;
    cursor: pointer !important;
}

.etb-modal-actions .etb-btn-secondary {
    background: #e2e8f0 !important;
    color: #2d3748 !important;
}

.etb-modal-actions .etb-btn-secondary:hover {
    background: #cbd5e0 !important;
}

.etb-modal-actions .etb-btn-primary {
    background: #2c5282 !important;
    color: white !important;
}

.etb-modal-actions .etb-btn-primary:hover {
    background: #1a365d !important;
}

/* Modal Form Improvements */
.etb-modal .etb-form-group {
    margin-bottom: 20px;
}

.etb-modal .etb-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--etb-text);
    font-size: 14px;
}

.etb-modal .etb-form-group label .required {
    color: var(--etb-error);
    margin-left: 2px;
}

.etb-modal .etb-form-group input,
.etb-modal .etb-form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--etb-border);
    border-radius: 6px;
    font-size: 16px;
    background: white;
    color: var(--etb-text);
    -webkit-appearance: none;
    appearance: none;
}

.etb-modal .etb-form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23718096' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.etb-modal .etb-form-group input:focus,
.etb-modal .etb-form-group select:focus {
    outline: none;
    border-color: var(--etb-primary);
    box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.15);
}

.etb-modal .etb-form-group input[type="number"] {
    text-align: center;
    -moz-appearance: textfield;
}

.etb-modal .etb-form-group input[type="number"]::-webkit-outer-spin-button,
.etb-modal .etb-form-group input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.etb-modal .etb-form-row {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.etb-modal .etb-form-row .etb-form-group {
    flex: 1;
    margin-bottom: 0;
}

.etb-modal .etb-third {
    flex: 1;
    min-width: 0;
}

.etb-modal .etb-third label {
    text-align: center;
}

/* Cart Items (Step 2) */
.etb-schedule-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.etb-cart-items .etb-cart-item {
    background: white;
    border-radius: var(--etb-radius);
    box-shadow: var(--etb-shadow);
    padding: 20px;
    margin-bottom: 15px;
}

.etb-cart-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--etb-border);
}

.etb-cart-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.etb-schedule-preview {
    background: white;
    border-radius: var(--etb-radius);
    box-shadow: var(--etb-shadow);
    padding: 20px;
}

.etb-schedule-preview h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

/* Schedule Timeline */
#etb-schedule-timeline .etb-timeline-day {
    display: flex;
    align-items: flex-start;
    padding: 15px;
    border-left: 3px solid var(--etb-primary);
    margin-left: 10px;
    position: relative;
}

#etb-schedule-timeline .etb-timeline-day::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 18px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--etb-primary);
}

#etb-schedule-timeline .etb-timeline-day.tour-boundary {
    border-color: var(--etb-success);
}

#etb-schedule-timeline .etb-timeline-day.tour-boundary::before {
    background: var(--etb-success);
}

.etb-timeline-date {
    min-width: 80px;
    font-weight: 600;
    color: var(--etb-text);
}

.etb-timeline-content {
    flex: 1;
}

.etb-timeline-tour-name {
    font-size: 12px;
    color: var(--etb-primary);
    margin-bottom: 5px;
}

.etb-timeline-schedule {
    font-size: 14px;
    color: var(--etb-text);
    line-height: 1.6;
    white-space: pre-wrap;
}

/* Schedule Summary */
.etb-schedule-summary {
    background: var(--etb-primary);
    color: white;
    padding: 10px 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    text-align: center;
}

.etb-schedule-empty {
    text-align: center;
    color: var(--etb-text-light);
    padding: 30px;
}

/* Day number and date */
.etb-day-number {
    font-weight: 600;
    font-size: 14px;
    color: var(--etb-text);
}

.etb-day-date {
    font-size: 12px;
    color: var(--etb-text-light);
}

/* Stay info */
.etb-timeline-stay {
    font-size: 13px;
    margin-top: 8px;
    padding: 6px 10px;
    background: #f0f4f8;
    border-radius: 4px;
    display: inline-block;
}

.etb-stay-label {
    color: var(--etb-primary);
    font-weight: 500;
}

.etb-stay-value {
    color: var(--etb-text);
}

/* Food info */
.etb-timeline-food {
    font-size: 13px;
    margin-top: 6px;
}

.etb-food-label {
    color: var(--etb-text-light);
    margin-right: 5px;
}

.etb-meal-icon {
    margin-right: 5px;
    font-size: 14px;
}

/* Facility info */
.etb-timeline-facility {
    font-size: 13px;
    margin-top: 6px;
    color: var(--etb-text-light);
}

.etb-facility-label {
    color: var(--etb-text-light);
}

.etb-facility-value {
    color: var(--etb-text);
}

/* Transfer Day */
.etb-timeline-day.transfer-day {
    background: linear-gradient(135deg, #fff8e1 0%, #fffde7 100%);
    border-left-color: var(--etb-warning);
}

.etb-timeline-day.transfer-day::before {
    background: var(--etb-warning);
}

.etb-timeline-transfer {
    margin-top: 10px;
    padding: 8px 12px;
    background: #fff3cd;
    border-radius: 4px;
    border-left: 3px solid var(--etb-warning);
}

.etb-transfer-label {
    color: #856404;
    font-weight: 600;
    font-size: 13px;
}

.etb-timeline-transfer-schedule {
    margin-top: 6px;
    padding: 6px 12px;
    background: #e8f5e9;
    border-radius: 4px;
    font-size: 13px;
    color: #2e7d32;
}

/* Date validation warning */
.etb-date-warning {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 20px;
    color: #856404;
}

.etb-date-warning-title {
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.etb-date-warning-text {
    font-size: 14px;
    line-height: 1.6;
}

/* Consecutive date info */
.etb-consecutive-info {
    background: #e3f2fd;
    border: 1px solid #2196f3;
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 15px;
    font-size: 13px;
    color: #1565c0;
}

.etb-consecutive-info strong {
    display: block;
    margin-bottom: 5px;
}

/* Confirmation */
.etb-confirm-content {
    background: white;
    border-radius: var(--etb-radius);
    box-shadow: var(--etb-shadow);
    padding: 30px;
}

.etb-confirm-tours,
.etb-confirm-customer {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--etb-border);
}

.etb-confirm-tours h4,
.etb-confirm-customer h4,
.etb-confirm-price h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--etb-primary);
}

.etb-confirm-tour-item {
    background: var(--etb-background);
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 10px;
}

.etb-confirm-row {
    display: flex;
    margin-bottom: 8px;
}

.etb-confirm-row .label {
    min-width: 120px;
    color: var(--etb-text-light);
}

.etb-confirm-row .value {
    font-weight: 500;
}

.etb-terms {
    margin: 20px 0;
    padding: 15px;
    background: var(--etb-background);
    border-radius: 6px;
}

.etb-terms label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.etb-terms a {
    color: var(--etb-primary);
}

/* Complete */
.etb-complete {
    text-align: center;
    padding: 60px 30px;
    background: white;
    border-radius: var(--etb-radius);
    box-shadow: var(--etb-shadow);
}

.etb-thankyou-title {
    font-size: 48px;
    font-weight: 300;
    color: #ccc;
    font-style: italic;
    margin-bottom: 30px;
}

.etb-complete-messages {
    margin: 30px 0;
    line-height: 1.8;
    color: var(--etb-text);
    text-align: left;
}

.etb-complete-messages p {
    margin: 0;
}

.etb-limit-day {
    background: #fff3cd;
    border: 1px solid #ffc107;
    padding: 15px 30px;
    border-radius: 6px;
    display: inline-block;
    margin: 20px 0 30px;
    color: #856404;
    font-size: 16px;
}

.etb-limit-day strong {
    color: #d63384;
    font-size: 18px;
}

.etb-complete-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.etb-complete-buttons .etb-btn {
    min-width: 200px;
}

/* Step 3 確認内容セクション */
.etb-section-subtitle {
    font-size: 18px;
    font-weight: 600;
    color: var(--etb-primary);
    margin: 30px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--etb-primary);
}

.etb-logged-in-confirm,
.etb-new-member-confirm {
    margin-top: 30px;
}

/* ログイン済みセクションのスタイル調整 */
.etb-logged-in-section {
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 992px) {
    .etb-container {
        grid-template-columns: 1fr;
    }

    .etb-sidebar {
        position: static;
        order: -1;
    }

    .etb-schedule-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .etb-steps {
        flex-wrap: nowrap;
        gap: 4px;
        padding: 12px 8px;
        justify-content: space-between;
    }

    .etb-step {
        flex: 1;
        flex-direction: column;
        gap: 4px;
        padding: 8px 4px;
        text-align: center;
        position: relative;
    }

    /* ステップ間の矢印コネクター */
    .etb-step:not(:last-child)::after {
        content: '';
        position: absolute;
        top: 20px;
        right: -4px;
        width: 8px;
        height: 2px;
        background: var(--etb-border);
    }

    .etb-step.completed:not(:last-child)::after {
        background: var(--etb-success);
    }

    .etb-step-number {
        width: 28px;
        height: 28px;
        font-size: 13px;
    }

    .etb-step-label {
        display: block;
        font-size: 10px;
        line-height: 1.2;
        white-space: nowrap;
    }

    .etb-tour-grid {
        grid-template-columns: 1fr;
    }

    .etb-form-row {
        flex-direction: column;
    }

    /* スマホ: ナビボタンを下部固定 */
    .etb-nav-buttons {
        flex-direction: column;
        gap: 10px;
        position: sticky;
        bottom: 0;
        background: white;
        padding: 12px 16px;
        margin: 0 -16px -16px;
        box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
        z-index: 50;
        border-radius: 0;
    }

    /* スマホ: ボタンの最小タップサイズ確保 */
    .etb-btn {
        min-height: 44px;
        font-size: 15px;
    }

    /* スマホ: オプションチェックボックスのタップ領域拡大 */
    .etb-option-item {
        padding: 12px;
    }

    /* スマホ: セクションタイトル */
    .etb-section-title {
        font-size: 18px;
    }

    .etb-nav-buttons .etb-btn {
        width: 100%;
    }
}

/* Calendar Styles */
.etb-calendar-container {
    border: 1px solid var(--etb-border);
    border-radius: 8px;
    overflow: hidden;
    background: white;
    margin-bottom: 10px;
}

.etb-calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background: var(--etb-primary);
    color: white;
}

.etb-calendar-title {
    font-weight: 600;
    font-size: 16px;
}

.etb-calendar-nav {
    width: 32px !important;
    height: 32px !important;
    min-width: 32px !important;
    min-height: 32px !important;
    border: none !important;
    background: rgba(255,255,255,0.2) !important;
    color: white !important;
    border-radius: 4px !important;
    cursor: pointer !important;
    font-size: 18px !important;
    font-weight: bold !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: background 0.2s !important;
    padding: 0 !important;
    margin: 0 !important;
    line-height: 1 !important;
}

.etb-calendar-nav:hover {
    background: rgba(255,255,255,0.4) !important;
}

.etb-calendar-legend {
    display: flex;
    gap: 15px;
    padding: 8px 15px;
    background: #f8f9fa;
    border-bottom: 1px solid var(--etb-border);
    font-size: 12px;
    flex-wrap: wrap;
}

.etb-legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.etb-legend-color {
    width: 14px;
    height: 14px;
    border-radius: 3px;
}

.etb-legend-available {
    background: #e8f5e9;
    border: 1px solid #4caf50;
}

.etb-legend-surcharge {
    background: #fff3e0;
    border: 1px solid #ff9800;
}

.etb-legend-surcharge-low {
    background: #fff3e0;
    border: 1px solid #ffb74d;
}

.etb-legend-surcharge-high {
    background: #ffccbc;
    border: 1px solid #ff5722;
}

.etb-legend-disabled {
    background: #ffebee;
    border: 1px solid #e57373;
}

.etb-legend-unset {
    background: #f5f5f5;
    border: 1px solid #e0e0e0;
}

.etb-calendar-body {
    padding: 10px;
}

.etb-calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-weight: 600;
    color: var(--etb-text-light);
    font-size: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--etb-border);
    margin-bottom: 8px;
}

.etb-calendar-weekdays span:first-child {
    color: #e53e3e;
}

.etb-calendar-weekdays span:last-child {
    color: #3182ce;
}

.etb-calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.etb-calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
    position: relative;
    min-height: 36px;
    background: #f0fff4;
    border: 1px solid #c6f6d5;
}

.etb-calendar-day:hover:not(.etb-day-disabled):not(.etb-day-outside) {
    background: var(--etb-primary);
    color: white;
}

.etb-calendar-day.etb-day-selected {
    background: var(--etb-primary) !important;
    color: white !important;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(44, 82, 130, 0.3);
}

.etb-calendar-day.etb-day-today {
    border: 2px solid var(--etb-primary);
}

.etb-calendar-day.etb-day-outside {
    visibility: hidden;
}

.etb-calendar-day.etb-day-disabled {
    background: #f5f5f5;
    color: #9e9e9e;
    cursor: not-allowed;
    border-color: #e0e0e0;
}

.etb-calendar-day.etb-day-disabled:hover {
    background: #f5f5f5;
    color: #9e9e9e;
}

/* 休止期間: 斜線パターン + 「休」表示で明確に区別 */
.etb-calendar-day.etb-day-closed {
    background: repeating-linear-gradient(
        -45deg,
        #ffebee,
        #ffebee 3px,
        #ffcdd2 3px,
        #ffcdd2 6px
    );
    color: #b71c1c;
    cursor: not-allowed;
    border-color: #ef9a9a;
    position: relative;
}

.etb-calendar-day.etb-day-closed::after {
    content: '休';
    position: absolute;
    bottom: 1px;
    right: 2px;
    font-size: 8px;
    color: #c62828;
    font-weight: 700;
    line-height: 1;
}

.etb-calendar-day.etb-day-closed:hover {
    background: repeating-linear-gradient(
        -45deg,
        #ffebee,
        #ffebee 3px,
        #ffcdd2 3px,
        #ffcdd2 6px
    );
    color: #b71c1c;
}

/* 繁忙期（低）: +5,000円以下 */
.etb-calendar-day.etb-day-surcharge,
.etb-calendar-day.etb-day-surcharge-low {
    background: #fff3e0;
    border-color: #ffb74d;
}

.etb-calendar-day.etb-day-surcharge:hover:not(.etb-day-disabled),
.etb-calendar-day.etb-day-surcharge-low:hover:not(.etb-day-disabled) {
    background: #ff9800;
    color: white;
}

/* 繁忙期（高）: +5,000円超 */
.etb-calendar-day.etb-day-surcharge-high {
    background: #ffccbc;
    border-color: #ff5722;
}

.etb-calendar-day.etb-day-surcharge-high:hover:not(.etb-day-disabled) {
    background: #ff5722;
    color: white;
}

.etb-calendar-day.etb-day-past {
    background: #f5f5f5;
    color: #bdbdbd;
    cursor: not-allowed;
    border-color: #e0e0e0;
}

.etb-calendar-day .etb-day-number {
    font-size: 13px;
    line-height: 1.2;
}

.etb-calendar-day .etb-day-indicator {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    margin-top: 2px;
}

.etb-calendar-day.etb-day-surcharge .etb-day-indicator {
    background: #ff9800;
}

.etb-calendar-day.etb-day-locked {
    background: #e3f2fd;
    border-color: #2196f3;
    color: #1565c0;
}

.etb-selected-date-display {
    padding: 10px 15px;
    background: #e3f2fd;
    border-radius: 6px;
    font-size: 14px;
    color: #1565c0;
}

.etb-selected-date-display strong {
    color: #0d47a1;
}

/* Calendar Range Highlighting - 本番カレンダーに合わせた期間表示 */
.etb-calendar-day.etb-day-range-start {
    background: var(--etb-primary) !important;
    color: white !important;
    font-weight: 600;
    border-radius: 6px 0 0 6px;
    box-shadow: 0 2px 4px rgba(44, 82, 130, 0.3);
}

.etb-calendar-day.etb-day-range-end {
    background: var(--etb-primary) !important;
    color: white !important;
    font-weight: 600;
    border-radius: 0 6px 6px 0;
    box-shadow: 0 2px 4px rgba(44, 82, 130, 0.3);
}

.etb-calendar-day.etb-day-range-middle {
    background: rgba(44, 82, 130, 0.15) !important;
    color: var(--etb-primary) !important;
    border-color: rgba(44, 82, 130, 0.2);
    border-radius: 0;
}

.etb-calendar-day.etb-day-range-middle:hover {
    background: rgba(44, 82, 130, 0.3) !important;
    color: var(--etb-primary) !important;
}

/* 泊数バッジ */
.etb-stay-badge {
    display: inline-block;
    background: var(--etb-primary);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    margin-left: 8px;
}

/* オプション内訳表示 */
.etb-option-detail-names {
    font-size: 11px;
    color: var(--etb-text-light);
    margin-top: 2px;
    line-height: 1.4;
}

/* カート内ツアー - 日程変更可能状態 */
.etb-tour-card.etb-tour-in-cart {
    border-color: var(--etb-primary);
    background: #f0f5ff;
}

.etb-tour-card.etb-tour-in-cart .etb-add-tour:not(:disabled) {
    background: #ff9800;
    color: white;
    border-color: #f57c00;
}

.etb-tour-card.etb-tour-in-cart .etb-add-tour:not(:disabled):hover {
    background: #f57c00;
}

/* Options Styles */
.etb-options-group {
    border-top: 1px solid var(--etb-border);
    padding-top: 15px;
    margin-top: 5px;
}

.etb-options-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.etb-option-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px solid var(--etb-border);
    cursor: pointer;
    transition: all 0.2s;
}

.etb-option-item:hover {
    border-color: var(--etb-primary);
    background: #f0f7ff;
}

.etb-option-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--etb-primary);
}

.etb-option-info {
    flex: 1;
}

.etb-option-name {
    font-weight: 600;
    color: var(--etb-text);
    margin-bottom: 4px;
}

.etb-option-desc {
    font-size: 12px;
    color: var(--etb-text-light);
}

.etb-option-price {
    font-weight: 600;
    color: var(--etb-primary);
    white-space: nowrap;
}

/* Pricing Breakdown */
.etb-pricing-breakdown {
    margin-top: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px solid var(--etb-border);
}

.etb-pricing-breakdown-title {
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--etb-text);
    font-size: 14px;
}

.etb-pricing-row {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    font-size: 13px;
}

.etb-pricing-row.etb-pricing-surcharge {
    color: #ff9800;
}

.etb-pricing-row.etb-pricing-discount {
    color: #38a169;
}

.etb-pricing-row.etb-pricing-total {
    border-top: 1px solid var(--etb-border);
    margin-top: 8px;
    padding-top: 10px;
    font-weight: 600;
    font-size: 15px;
}

/* Additional Cart Summary Rows */
.etb-total-row.etb-surcharge {
    color: #ff9800;
}

.etb-total-row.etb-single-price {
    color: #e53e3e;
}

.etb-total-row.etb-options-price {
    color: var(--etb-primary);
}

/* =====================================================
   Login Section Styles
   ===================================================== */
.etb-login-section {
    background: #f8f9fa;
    border: 1px solid var(--etb-border);
    border-radius: var(--etb-radius);
    padding: 25px;
    margin-bottom: 30px;
}

.etb-login-section .etb-section-title {
    text-align: center;
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--etb-text);
}

.etb-login-section .etb-form-row {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.etb-login-section .etb-half {
    flex: 1;
    min-width: 200px;
}

.etb-login-section input[type="email"],
.etb-login-section input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--etb-border);
    border-radius: 6px;
    font-size: 14px;
    background: white;
    box-sizing: border-box;
    line-height: 1.4;
}

.etb-login-section input[type="email"]:focus,
.etb-login-section input[type="password"]:focus {
    border-color: var(--etb-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(44, 82, 130, 0.1);
}

.etb-login-section .etb-password-wrapper {
    display: flex;
    gap: 8px;
    align-items: stretch;
}

.etb-login-section .etb-password-toggle {
    padding: 8px 14px;
    background: #718096;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    flex-shrink: 0;
    min-width: auto;
    max-width: 60px;
    line-height: 1.4;
}

.etb-login-section .etb-password-toggle:hover {
    background: #4a5568;
}

.etb-login-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

/* Accent Button (Blue/Primary) */
.etb-btn-accent {
    background: var(--etb-primary);
    color: white;
    border: none;
    padding: 14px 30px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    width: 100%;
    max-width: 400px;
}

.etb-btn-accent:hover {
    background: var(--etb-primary-dark);
}

.etb-login-buttons .etb-btn-secondary {
    background: white;
    color: var(--etb-text-light);
    border: 1px solid var(--etb-border);
    border-radius: 8px;
    padding: 12px 30px;
    font-size: 14px;
    width: 100%;
    max-width: 400px;
}

.etb-login-buttons .etb-btn-secondary:hover {
    background: #f7fafc;
    border-color: var(--etb-primary);
    color: var(--etb-primary);
}

/* Register Section */
.etb-register-section {
    margin-top: 30px;
    border-top: 2px solid var(--etb-border);
    padding-top: 30px;
}

.etb-register-section .etb-section-title {
    margin-bottom: 20px;
}

/* =====================================================
   Checkbox Styling Fix
   ===================================================== */
.etb-option-item input[type="checkbox"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 20px !important;
    height: 20px !important;
    min-width: 20px !important;
    min-height: 20px !important;
    border: 2px solid var(--etb-border);
    border-radius: 4px;
    background: white;
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
}

.etb-option-item input[type="checkbox"]:checked {
    background: var(--etb-primary);
    border-color: var(--etb-primary);
}

.etb-option-item input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.etb-option-item input[type="checkbox"]:hover {
    border-color: var(--etb-primary);
}

/* Responsive Login Section */
@media (max-width: 768px) {
    .etb-login-section .etb-form-row {
        flex-direction: column;
    }
}

/* =====================================================
   Combined Options Section (Step 2)
   ===================================================== */
.etb-combined-options-section {
    background: white;
    border-radius: var(--etb-radius);
    box-shadow: var(--etb-shadow);
    padding: 25px;
    margin-bottom: 30px;
}

.etb-combined-options-section h3 {
    color: var(--etb-primary);
    font-size: 18px;
    margin-bottom: 10px;
    border-bottom: 2px solid var(--etb-primary);
    padding-bottom: 10px;
}

.etb-options-desc {
    color: var(--etb-text-light);
    font-size: 14px;
    margin-bottom: 20px;
}

.etb-combined-options-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.etb-combined-options-list .etb-option-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--etb-background);
    border-radius: 8px;
    border: 1px solid var(--etb-border);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.etb-combined-options-list .etb-option-item:hover {
    border-color: var(--etb-primary);
    background: #f0f5ff;
}

.etb-option-select {
    padding: 8px 12px;
    border: 2px solid var(--etb-border);
    border-radius: 6px;
    font-size: 14px;
    background: white;
    width: auto;          /* テーマCSS(width:100%)を上書き */
    min-width: 120px;
    max-width: 160px;
    flex-shrink: 0;
    cursor: pointer;
}

.etb-combined-options-list .etb-option-info {
    flex: 1;
    min-width: 0;
}

.etb-combined-options-list .etb-option-desc {
    font-size: 12px;
    color: var(--etb-text-light);
    margin-top: 2px;
    line-height: 1.4;
}

.etb-combined-options-list .etb-option-price {
    flex-shrink: 0;
    white-space: nowrap;
}

.etb-option-select:focus {
    border-color: var(--etb-primary);
    outline: none;
}

.etb-no-options {
    color: var(--etb-text-light);
    font-style: italic;
    padding: 20px;
    text-align: center;
}

/* Cart Options Summary */
.etb-cart-options-summary {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed var(--etb-border);
    font-size: 13px;
}

.etb-cart-options-label {
    color: var(--etb-text-light);
    font-weight: 600;
}

/* Step 2 Schedule Container */
.etb-schedule-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Remove delete button from cart in step 2+ (controlled by JavaScript) */
/* Note: Delete buttons are only added by JavaScript when on step 1 */
#etb-step-2 .etb-remove-item,
#etb-step-3 .etb-remove-item,
#etb-step-4 .etb-remove-item,
.etb-schedule-setting .etb-remove-item {
    display: none !important;
}

/* ステップ2以降では「日程設定へ進む」ボタンを非表示 */
/* JavaScriptで制御されるが、CSSでも確実に非表示にする */
body.etb-step-2 #etb-proceed-checkout,
body.etb-step-3 #etb-proceed-checkout,
body.etb-step-4 #etb-proceed-checkout {
    display: none !important;
}

/* =====================================================
   Login Section Fix (統合済み - 上部で定義)
   ===================================================== */

/* Logged In User Section */
.etb-logged-in-section {
    background: #e8f5e9;
    border: 1px solid #4caf50;
    border-radius: var(--etb-radius);
    padding: 25px;
    margin-bottom: 30px;
}

.etb-logged-in-section .etb-section-title {
    color: #2e7d32;
    border-bottom-color: #4caf50;
}

.etb-logged-in-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.etb-logged-in-info p {
    margin: 0;
    font-size: 15px;
}

.etb-logged-in-info strong {
    color: var(--etb-text);
}

.etb-use-account-btn {
    background: #4caf50;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.etb-use-account-btn:hover {
    background: #388e3c;
}

/* =====================================================
   Number Input Buttons (+/- for person count)
   ===================================================== */
.etb-number-input {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    border: 1px solid var(--etb-border);
    border-radius: 6px;
    overflow: hidden;
    background: white;
}

.etb-number-btn {
    width: 40px !important;
    height: 44px !important;
    min-width: 40px !important;
    min-height: 44px !important;
    border: none !important;
    background: #f0f0f0 !important;
    color: var(--etb-text) !important;
    font-size: 20px !important;
    font-weight: bold !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: background 0.2s !important;
    padding: 0 !important;
    margin: 0 !important;
    line-height: 1 !important;
}

.etb-number-btn:hover:not(:disabled) {
    background: #e0e0e0 !important;
}

.etb-number-btn:active:not(:disabled) {
    background: #d0d0d0 !important;
}

.etb-number-btn.etb-minus {
    border-radius: 5px 0 0 5px !important;
}

.etb-number-btn.etb-plus {
    border-radius: 0 5px 5px 0 !important;
}

.etb-number-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed !important;
}

.etb-number-input input[type="number"] {
    width: 60px !important;
    height: 44px !important;
    text-align: center !important;
    font-size: 18px !important;
    font-weight: 600 !important;
    border: none !important;
    border-left: 1px solid var(--etb-border) !important;
    border-right: 1px solid var(--etb-border) !important;
    border-radius: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    background: white !important;
    -moz-appearance: textfield !important;
}

.etb-number-input input[type="number"]::-webkit-outer-spin-button,
.etb-number-input input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none !important;
    margin: 0 !important;
}

.etb-number-input input[type="number"]:focus {
    outline: none !important;
    box-shadow: none !important;
}

/* Person input row improvements */
.etb-person-inputs {
    justify-content: center !important;
}

.etb-person-inputs .etb-third {
    max-width: 140px;
}

/* Person inputs locked state (when adding subsequent tours) */
.etb-person-inputs.etb-locked {
    opacity: 0.8;
}

.etb-person-inputs.etb-locked .etb-number-input {
    background: #f5f5f5;
    border-color: #ccc;
}

.etb-person-inputs.etb-locked input[type="number"] {
    background: #f5f5f5 !important;
    color: var(--etb-text-light) !important;
}

.etb-number-btn.etb-btn-disabled {
    background: #e8e8e8 !important;
    color: #999 !important;
    cursor: not-allowed !important;
}

.etb-person-locked-notice {
    width: 100%;
    text-align: center;
    font-size: 12px;
    color: var(--etb-warning);
    margin-top: 8px;
    padding: 6px 10px;
    background: #fff8e1;
    border-radius: 4px;
}

/* Age note for person inputs */
.etb-age-note {
    display: block;
    font-size: 11px;
    font-weight: normal;
    color: var(--etb-text-light);
    margin-top: 2px;
}

.etb-person-inputs label {
    text-align: center;
    display: block;
}

/* ==================== */
/* 組み合わせ早見図      */
/* ==================== */
.etb-combination-chart {
    background: #FAFAFA;
    border: 1px solid #E0E0E0;
    border-radius: 10px;
    padding: 14px 18px;
    margin-bottom: 22px;
}

.etb-chart-title {
    font-size: 14px;
    font-weight: bold;
    color: #424242;
    margin-bottom: 10px;
}

.etb-chart-pairs {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.etb-chart-pair {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.etb-chart-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    border: 1.5px solid;
    border-radius: 20px;
    padding: 4px 12px 4px 5px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.etb-chart-label {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.etb-chart-name {
    line-height: 1.2;
}

.etb-chart-arrow {
    font-size: 16px;
    color: #BDBDBD;
    flex-shrink: 0;
}

.etb-chart-discount {
    background: #FFF8E1;
    border: 1px solid #FFD54F;
    border-radius: 12px;
    padding: 2px 10px;
    font-size: 11px;
    color: #F57F17;
    font-weight: 600;
    white-space: nowrap;
}

/* ==================== */
/* カードカラーバー      */
/* ==================== */
.etb-tour-color-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
}

.etb-color-label {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.etb-color-days {
    color: #fff;
    font-size: 12px;
    font-weight: 500;
}

/* ==================== */
/* 組み合わせタグ        */
/* ==================== */
.etb-combinable-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin: 8px 0 12px;
}

.etb-combo-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border: 1px solid;
    border-radius: 14px;
    padding: 3px 8px 3px 3px;
    font-size: 11px;
    font-weight: 500;
    line-height: 1.2;
}

.etb-combo-tag-label {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.etb-combo-tag-name {
    white-space: nowrap;
}

.etb-combo-tag-discount {
    font-size: 10px;
    color: #F57F17;
    font-weight: 600;
}

/* ==================== */
/* ホバーハイライト      */
/* ==================== */
.etb-tour-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.2s ease, border-color 0.2s ease;
}

.etb-tour-card.etb-highlight {
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    transform: translateY(-3px);
}

.etb-tour-card.etb-dimmed {
    opacity: 0.35;
    transform: none;
    filter: grayscale(40%);
}

.etb-tour-card.etb-dimmed:hover {
    transform: none;
    box-shadow: var(--etb-shadow);
}

/* ==================== */
/* レスポンシブ          */
/* ==================== */
@media (max-width: 600px) {
    .etb-combination-chart {
        padding: 12px 14px;
    }

    .etb-chart-pair {
        gap: 5px;
    }

    .etb-chart-tag {
        font-size: 11px;
        padding: 3px 8px 3px 4px;
    }

    .etb-chart-label {
        width: 17px;
        height: 17px;
        font-size: 9px;
    }

    .etb-chart-name {
        max-width: 100px;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .etb-chart-arrow {
        font-size: 13px;
    }

    .etb-chart-discount {
        font-size: 10px;
        padding: 1px 7px;
    }

    .etb-tour-color-bar {
        padding: 5px 10px;
    }

    .etb-color-label {
        width: 20px;
        height: 20px;
        font-size: 11px;
    }

    .etb-combo-tag {
        font-size: 10px;
    }

    .etb-combo-tag-label {
        width: 14px;
        height: 14px;
        font-size: 8px;
    }
}

/* Top Back Navigation */
.etb-top-back-nav {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding: 12px 16px;
    background: #f0f4f8;
    border-radius: var(--etb-radius);
    border: 1px solid var(--etb-border);
}

.etb-btn-back-top {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 10px 20px !important;
    font-size: 15px !important;
    font-weight: 600 !important;
    color: #fff !important;
    background: var(--etb-primary) !important;
    border: none !important;
    border-radius: 6px !important;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    box-shadow: 0 2px 4px rgba(44, 82, 130, 0.3);
}

.etb-btn-back-top:hover {
    background: var(--etb-primary-dark) !important;
    transform: translateY(-1px);
}

.etb-btn-back-top:active {
    transform: translateY(0);
}

.etb-step-indicator {
    font-size: 13px;
    color: var(--etb-text-light);
    font-weight: 500;
    margin-left: auto;
}

/* ステップ2: 青系ヘッダー */
#etb-step-2 > .etb-top-back-nav {
    background: linear-gradient(135deg, #ebf4ff 0%, #e0ecf8 100%);
    border-left: 4px solid var(--etb-primary);
}

/* ステップ3: 緑系ヘッダー */
#etb-step-3 > .etb-top-back-nav {
    background: linear-gradient(135deg, #e6ffed 0%, #dcf5e3 100%);
    border-left: 4px solid var(--etb-success);
}

#etb-step-3 > .etb-top-back-nav .etb-step-indicator {
    color: var(--etb-success);
    font-weight: 600;
}

/* 人数制限（幼児・子ども参加不可） */
.etb-entry-disabled {
    opacity: 0.45;
    pointer-events: none;
    position: relative;
}

.etb-restriction-notice {
    font-size: 11px;
    color: #c62828;
    font-weight: 600;
    margin-top: 4px;
    text-align: center;
}