/* =============================================
   料金ページ専用スタイル
   ============================================= */

.pricing-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    width: 100%;
}

/* ページヘッダー */
.page-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
}

.page-title {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: 2px;
    color: #3a3a3a;
}

/* 料金説明セクション */
.pricing-intro {
    text-align: center;
    margin-bottom: 60px;
}

.intro-text {
    font-size: 18px;
    line-height: 1.8;
    color: #555;
}

/* テンプレート料金セクション */
.template-pricing-section {
    margin-bottom: 60px;
    padding: 40px 30px;
    background: white;
    border-radius: 16px;
    border: 2px solid #ff9999;
    position: relative;
}

.template-pricing-section::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #ff9999, #ffb3b3);
    border-radius: 2px;
}

.section-title {
    font-size: 26px;
    font-weight: 600;
    color: #3a3a3a;
    letter-spacing: 1px;
    text-align: center;
    margin-bottom: 45px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #ff9999, #ffb3b3);
    margin: 12px auto 0;
    border-radius: 2px;
}

/* 料金テーブル構成 */
.template-base-pricing,
.plan-additional-pricing {
    margin-bottom: 40px;
}

.subsection-title {
    font-size: 20px;
    font-weight: 600;
    color: #3a3a3a;
    margin-bottom: 20px;
    text-align: center;
    letter-spacing: 0.5px;
}

.pricing-table-container {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid #f0f0f0;
    max-width: 600px;
    margin: 0 auto;
}

/* 料金カードグリッド */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    max-width: 1100px;
    margin: 0 auto;
}

/* 料金カード */
.pricing-card {
    background: white;
    border-radius: 14px;
    padding: 0;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    overflow: hidden;
    position: relative;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff9999, #ffb3b3, #ff9999);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(255, 153, 153, 0.2);
    border-color: #ff9999;
}

.pricing-card:hover::before {
    opacity: 1;
}

/* テンプレートヘッダー */
.template-header {
    padding: 25px 20px;
    background: linear-gradient(135deg, #ff9999 0%, #ffb3b3 100%);
    text-align: center;
    position: relative;
}

.template-header::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-top: 15px solid #ffb3b3;
}

.template-name {
    font-size: 20px;
    font-weight: 700;
    color: white;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: 0.5px;
}

/* 料金オプション */
.pricing-options {
    padding: 30px 25px 25px;
}

.pricing-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 10px;
    border-radius: 8px;
    transition: all 0.2s ease;
    position: relative;
}

.pricing-option:hover {
    background: #fff5f5;
    padding-left: 15px;
}

.pricing-option::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 10px;
    right: 10px;
    height: 1px;
    background: linear-gradient(90deg, transparent, #f0f0f0, transparent);
}

.pricing-option:last-child::after {
    display: none;
}

.plan-name {
    font-size: 15px;
    color: #555;
    font-weight: 500;
}

.plan-price {
    font-size: 20px;
    color: #ff9999;
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* 延長オプションセクション */
.extension-option-section {
    margin-bottom: 60px;
    padding: 40px 30px;
    background: white;
    border-radius: 16px;
    border: 2px solid #87ceeb;
    position: relative;
}

.extension-option-section::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #87ceeb, #5ba3d6);
    border-radius: 2px;
}

.extension-option-section .section-title {
    font-size: 26px;
    font-weight: 600;
    color: #3a3a3a;
    letter-spacing: 1px;
    text-align: center;
    margin-bottom: 45px;
    position: relative;
}

.extension-option-section .section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #87ceeb, #5ba3d6);
    margin: 12px auto 0;
    border-radius: 2px;
}

.extension-wrapper {
    max-width: 1100px;
    margin: 0 auto;
}

.extension-section {
    text-align: center;
}

.section-description {
    font-size: 17px;
    color: #555;
    margin-bottom: 40px;
    line-height: 1.8;
    padding: 20px;
    background: white;
    border-radius: 10px;
    border: 1px solid #87ceeb30;
}

/* 延長カードグリッド */
.extension-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.extension-card {
    background: white;
    padding: 0;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

.extension-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #87ceeb, #5ba3d6, #87ceeb);
}

.extension-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(135, 206, 235, 0.25);
    border-color: #87ceeb;
}

.extension-period {
    padding: 15px;
    background: linear-gradient(135deg, #87ceeb 0%, #5ba3d6 100%);
    font-size: 16px;
    color: white;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.extension-price {
    padding: 20px;
    font-size: 28px;
    color: #87ceeb;
    font-weight: 700;
    background: linear-gradient(135deg, #f8fbff 0%, #f0f7ff 100%);
}

/* 注意事項セクション */
.notice-section {
    margin-bottom: 60px;
    padding: 30px;
    background: #fff3cd;
    border-radius: 12px;
    border-left: 5px solid #ffc107;
}

.notice-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.notice-list li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: #856404;
    line-height: 1.6;
}

.notice-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    border: 2px solid #ffc107;
    border-radius: 3px;
}

/* アクションボタン */
.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 3rem 0;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    min-width: 150px;
    text-align: center;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    transform: scale(1.05);
    /* box-shadow removed */
}

.btn-yellow {
    background: #ffd700 !important;
    color: #333 !important;
    border: 2px solid #ffd700 !important;
}

.btn-yellow:hover {
    background: #ffcc00 !important;
    transform: scale(1.05);
}

.btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
}

/* pricing.htmlページ専用の追加スタイル（共通のicon-squareを使用） */

/* 目次セクション */
.table-of-contents {
    margin: 50px auto;
    padding: 30px;
    background: linear-gradient(135deg, #ffffff 0%, #f9f9f9 100%);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    max-width: 900px;
}

.toc-title {
    text-align: center;
    font-size: 22px;
    font-weight: 600;
    color: #3a3a3a;
    margin-bottom: 25px;
    position: relative;
}

.toc-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #adff2f, #7cb342);
    margin: 10px auto 0;
    border-radius: 2px;
}

.toc-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.toc-link {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    text-decoration: none;
    color: #3a3a3a;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.toc-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #adff2f 0%, #7cb342 100%);
    transition: left 0.3s ease;
    z-index: 0;
}

.toc-link:hover::before {
    left: 0;
}

.toc-link:hover {
    border-color: #adff2f;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(173, 255, 47, 0.3);
}

.toc-link:hover .toc-number,
.toc-link:hover .toc-text {
    color: white;
}

.toc-number {
    font-size: 20px;
    font-weight: 700;
    color: #adff2f;
    margin-right: 12px;
    position: relative;
    z-index: 1;
    transition: color 0.3s ease;
}

.toc-text {
    font-size: 15px;
    font-weight: 500;
    position: relative;
    z-index: 1;
    transition: color 0.3s ease;
    line-height: 1.4;
}

/* オプションセクション */
.options-section {
    margin-bottom: 60px;
    padding: 40px 30px;
    background: white;
    border-radius: 16px;
    border: 2px solid #adff2f;
    position: relative;
}

.options-section::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #adff2f, #7cb342);
    border-radius: 2px;
}

.options-section .section-title {
    font-size: 26px;
    font-weight: 600;
    color: #3a3a3a;
    letter-spacing: 1px;
    text-align: center;
    margin-bottom: 45px;
    position: relative;
}

.options-section .section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #adff2f, #7cb342);
    margin: 12px auto 0;
    border-radius: 2px;
}

.options-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.option-card {
    background: white;
    border-radius: 14px;
    padding: 0;
    border: 1px solid #e0e0e0;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

.option-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #adff2f, #7cb342, #adff2f);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.option-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(173, 255, 47, 0.2);
    border-color: #adff2f;
}

.option-card:hover::before {
    opacity: 1;
}

.option-header {
    padding: 25px 30px;
    background: linear-gradient(135deg, #adff2f 0%, #7cb342 100%);
    position: relative;
}

.option-header::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-top: 15px solid #7cb342;
}

.option-name {
    font-size: 22px;
    color: white;
    font-weight: 700;
    margin: 0;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: 0.5px;
}

.option-content {
    padding: 35px 30px 30px;
}

.option-description {
    color: #555;
    line-height: 1.8;
    margin-bottom: 25px;
    font-size: 15px;
    text-align: center;
}

.option-price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 20px;
    background: linear-gradient(135deg, #f8fff8 0%, #f0f8f0 100%);
    border-radius: 10px;
    border: 1px solid #adff2f30;
}

.price-label {
    color: #666;
    font-size: 16px;
    font-weight: 500;
}

.price-value {
    color: #4caf50;
    font-size: 32px;
    font-weight: 700;
    /* text-shadow removed */
}

.price-unit {
    color: #888;
    font-size: 14px;
    font-weight: 400;
}

/* 延長プラン詳細 */
.extension-details {
    margin-top: 40px;
    background: white;
    border-radius: 12px;
    padding: 20px;
    border: 1px solid #87ceeb50;
}

.extension-toggle {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #87ceeb 0%, #5ba3d6 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(135, 206, 235, 0.3);
}

.extension-toggle:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(135, 206, 235, 0.4);
    background: linear-gradient(135deg, #5ba3d6 0%, #87ceeb 100%);
}

.toggle-icon {
    transition: transform 0.3s ease;
    font-size: 14px;
}

.extension-toggle.active .toggle-icon {
    transform: rotate(180deg);
}

.extension-price-table {
    display: none;
    margin-top: 25px;
    max-height: 450px;
    overflow-y: auto;
    border: 2px solid #87ceeb30;
    border-radius: 10px;
    background: white;
}

.extension-price-table.active {
    display: block;
    animation: slideDown 0.3s ease;
}

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

.price-table {
    width: 100%;
    border-collapse: collapse;
}

.price-table th,
.price-table td {
    padding: 12px;
    text-align: center;
    border-bottom: 1px solid #f0f0f0;
}

.price-table th {
    background: linear-gradient(135deg, #87ceeb20 0%, #87ceeb10 100%);
    font-weight: 700;
    color: #3a3a3a;
    font-size: 15px;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    z-index: 1;
}

.price-table td {
    font-size: 14px;
    color: #555;
}

.price-table td:nth-child(even) {
    color: #87ceeb;
    font-weight: 600;
    font-size: 16px;
}

.price-table tr:hover {
    background: linear-gradient(90deg, transparent, #87ceeb10, transparent);
}

/* 料金シミュレーション */
.price-simulator-section {
    margin-bottom: 60px;
    padding: 40px 30px;
    background: white;
    border-radius: 16px;
    border: 2px solid #dda0dd;
    position: relative;
}

.price-simulator-section::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #dda0dd, #c080c0);
    border-radius: 2px;
}

.price-simulator-section .section-title {
    font-size: 26px;
    font-weight: 600;
    color: #3a3a3a;
    letter-spacing: 1px;
    text-align: center;
    margin-bottom: 45px;
    position: relative;
}

.price-simulator-section .section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #dda0dd, #c080c0);
    margin: 12px auto 0;
    border-radius: 2px;
}

.simulator-wrapper {
    max-width: 100%;
    margin: 0 auto;
}

.simulator-form {
    background: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    border: none;
}

/* ステップセクション */
.form-step {
    margin-bottom: 35px;
    padding: 30px 35px;
    background: white;
    border-radius: 12px;
    border: 1px solid #f0f0f0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.step-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 20px;
}

.step-number {
    display: inline-block;
    padding: 6px 14px;
    background: linear-gradient(135deg, #dda0dd 0%, #c080c0 100%);
    color: white;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.8px;
}

.step-title {
    font-size: 20px;
    font-weight: 600;
    color: #3a3a3a;
    margin-top: 5px;
}

.form-group {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #666;
    font-weight: 500;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 14px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: #dda0dd;
    box-shadow: 0 0 0 3px rgba(221, 160, 221, 0.1);
}

.option-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: white;
    border-radius: 8px;
    transition: background 0.2s ease;
}

.option-checkbox:hover {
    background: #f8f0f8;
}

.option-checkbox input[type="checkbox"] {
    width: 22px;
    height: 22px;
    cursor: pointer;
    accent-color: #dda0dd;
}

.option-checkbox label {
    margin-bottom: 0;
    cursor: pointer;
    font-weight: 500;
    color: #555;
}

.postcard-count-wrapper {
    margin-top: 15px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    animation: slideDown 0.3s ease;
}

.postcard-count-wrapper label {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.input-help {
    display: block;
    margin-top: 8px;
    font-size: 13px;
    color: #888;
    font-style: italic;
}

/* 計算ボタン */
.calc-button {
    width: 100%;
    max-width: 400px;
    margin: 40px auto 0;
    padding: 20px;
    background: linear-gradient(135deg, #dda0dd 0%, #c080c0 100%);
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(221, 160, 221, 0.3);
}

.calc-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(221, 160, 221, 0.4);
    background: linear-gradient(135deg, #c080c0 0%, #dda0dd 100%);
}

.button-icon {
    font-size: 20px;
}

/* 結果表示 */
.result-display {
    margin-top: 50px;
    padding: 0;
    background: white;
    border-radius: 14px;
    border: 2px solid #dda0dd;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(221, 160, 221, 0.15);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.result-summary {
    padding: 25px;
    background: linear-gradient(135deg, #dda0dd 0%, #c080c0 100%);
    text-align: center;
}

.result-summary h4 {
    margin: 0;
    color: white;
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 1px;
}

.result-breakdown {
    padding: 30px 35px;
    background: #fafafa;
    border-bottom: 1px solid #e0e0e0;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    color: #666;
}

.breakdown-label {
    font-size: 15px;
}

.breakdown-value {
    font-size: 18px;
    font-weight: 600;
    color: #3a3a3a;
}

.result-total {
    padding: 30px 35px;
    background: white;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.result-item:last-child {
    margin-bottom: 0;
}

.result-item.total {
    background: linear-gradient(135deg, #fff0ff 0%, #ffe8ff 100%);
    border: 2px solid #dda0dd;
}

.result-item.per-person {
    background: linear-gradient(135deg, #f0f8ff 0%, #e8f4ff 100%);
    border: 2px solid #87ceeb;
}

.result-label {
    color: #666;
    font-size: 16px;
    font-weight: 500;
}

.result-value {
    color: #dda0dd;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.result-item.per-person .result-value {
    color: #87ceeb;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .pricing-wrapper {
        padding: 1rem;
    }
    
    .table-of-contents {
        margin: 30px auto;
        padding: 20px;
    }
    
    .toc-title {
        font-size: 18px;
    }
    
    .toc-nav {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .toc-link {
        padding: 12px 15px;
    }
    
    .toc-number {
        font-size: 18px;
    }
    
    .toc-text {
        font-size: 14px;
    }

    .page-title {
        font-size: 1.5rem;
    }

    .template-pricing-section {
        padding: 30px 20px;
        border-width: 1px;
    }
    
    .section-title {
        font-size: 22px;
        margin-bottom: 30px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .pricing-card {
        margin-bottom: 0;
    }

    .template-header {
        padding: 20px 15px;
    }

    .template-name {
        font-size: 18px;
    }

    .pricing-options {
        padding: 25px 20px 20px;
    }

    .pricing-option {
        padding: 12px 8px;
    }

    .plan-name {
        font-size: 14px;
    }

    .plan-price {
        font-size: 18px;
    }
    
    .options-section {
        padding: 30px 20px;
        border-width: 1px;
    }
    
    .options-section .section-title {
        font-size: 22px;
        margin-bottom: 30px;
    }
    
    .option-card {
        max-width: 100%;
    }
    
    .option-header {
        padding: 20px 25px;
    }
    
    .option-name {
        font-size: 18px;
    }
    
    .option-content {
        padding: 30px 20px 25px;
    }
    
    .option-description {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .option-price {
        padding: 15px;
        gap: 8px;
    }
    
    .price-label {
        font-size: 14px;
    }
    
    .price-value {
        font-size: 26px;
    }
    
    .price-unit {
        font-size: 12px;
    }

    .extension-option-section {
        padding: 30px 20px;
        border-width: 1px;
    }
    
    .extension-option-section .section-title {
        font-size: 22px;
        margin-bottom: 30px;
    }
    
    .section-description {
        font-size: 15px;
        padding: 15px;
        margin-bottom: 30px;
    }
    
    .extension-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
    }
    
    .extension-card {
        min-width: 0;
    }
    
    .extension-period {
        padding: 12px;
        font-size: 14px;
    }
    
    .extension-price {
        padding: 15px;
        font-size: 22px;
    }
    
    .extension-details {
        margin-top: 30px;
        padding: 15px;
    }
    
    .extension-toggle {
        padding: 15px;
        font-size: 15px;
    }
    
    .extension-price-table {
        max-height: 350px;
    }
    
    .price-table th,
    .price-table td {
        padding: 10px 8px;
        font-size: 13px;
    }
    
    .price-table td:nth-child(even) {
        font-size: 14px;
    }
    
    /* 料金シミュレーションのレスポンシブ */
    .price-simulator-section {
        padding: 30px 20px;
    }
    
    .simulator-wrapper {
        max-width: 100%;
    }
    
    .simulator-form {
        padding: 0;
    }
    
    .form-step {
        padding: 25px 20px;
        margin-bottom: 25px;
    }
    
    .step-header {
        gap: 6px;
        margin-bottom: 15px;
    }
    
    .step-number {
        font-size: 12px;
        padding: 5px 12px;
    }
    
    .step-title {
        font-size: 17px;
    }
    
    .form-control {
        padding: 12px;
        font-size: 15px;
    }
    
    .calc-button {
        padding: 15px;
        font-size: 16px;
    }
    
    .result-summary h4 {
        font-size: 18px;
    }
    
    .result-value {
        font-size: 24px;
    }
    
    .result-item.per-person .result-value {
        font-size: 24px;
    }

    .action-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .intro-text br {
        display: none;
    }

    .extension-card {
        padding: 1.5rem;
    }

    .notice-section {
        padding: 1.5rem 1rem;
    }
}