/* =========================================
   リセット＆基本設定
========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0066CC;
    --primary-dark: #004C99;
    --primary-light: #3399FF;
    --secondary-color: #FF6600;
    --secondary-dark: #CC5200;
    --success-color: #00CC66;
    --danger-color: #FF3333;
    --text-dark: #333333;
    --text-medium: #666666;
    --text-light: #999999;
    --bg-gray: #F5F7FA;
    --bg-white: #FFFFFF;
    --border-color: #E0E0E0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* =========================================
   ヘッダー
========================================= */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 900;
    color: var(--primary-color);
}

.nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav a {
    font-weight: 500;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

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

.cta-button-small {
    background: var(--secondary-color);
    color: var(--bg-white);
    padding: 10px 24px;
    border-radius: 30px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.cta-button-small:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* =========================================
   メインビジュアル（ヒーローセクション）
========================================= */
.hero {
    position: relative;
    padding: 80px 0 100px;
    overflow: hidden;
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%230066CC" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,133.3C672,139,768,181,864,181.3C960,181,1056,139,1152,122.7C1248,107,1344,117,1392,122.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    animation: fadeInUp 0.8s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.badge {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--bg-white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 42px;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.hero-title .highlight {
    color: var(--secondary-color);
    font-size: 50px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-medium);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-subtitle strong {
    color: var(--secondary-color);
    font-weight: 700;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
}

.feature-item i {
    color: var(--success-color);
    font-size: 22px;
}

.feature-item strong {
    color: var(--primary-color);
    font-weight: 700;
}

.cta-button-large {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--secondary-color);
    color: var(--bg-white);
    padding: 20px 40px;
    border-radius: 50px;
    font-size: 20px;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.cta-button-large:hover {
    background: var(--secondary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.hero-note {
    margin-top: 15px;
    font-size: 14px;
    color: var(--text-light);
}

.hero-image {
    position: relative;
    animation: fadeIn 1s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.hero-image img {
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    object-fit: cover;
}

/* =========================================
   緊急性アピール
========================================= */
.urgency {
    background: linear-gradient(135deg, #FFF3E0 0%, #FFE0B2 100%);
    padding: 20px 0;
    border-bottom: 3px solid var(--secondary-color);
}

.urgency-content {
    display: flex;
    align-items: center;
    gap: 15px;
    justify-content: center;
    text-align: center;
}

.urgency-content i {
    color: var(--secondary-color);
    font-size: 28px;
}

.urgency-content p {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
}

.urgency-content strong {
    color: var(--secondary-color);
    font-weight: 700;
}

/* =========================================
   セクション共通
========================================= */
.section-title {
    font-size: 38px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 60px;
    line-height: 1.4;
    color: var(--text-dark);
}

.section-title .highlight {
    color: var(--primary-color);
}

.section-title .highlight-red {
    color: var(--secondary-color);
}

.section-title .highlight-green {
    color: var(--success-color);
}

/* =========================================
   選ぶべき理由セクション
========================================= */
.reasons-intro {
    padding: 80px 0;
    background: var(--bg-white);
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.reason-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    text-align: center;
}

.reason-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.reason-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reason-icon i {
    font-size: 36px;
    color: var(--bg-white);
}

.reason-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.reason-card p {
    color: var(--text-medium);
    line-height: 1.8;
}

.reason-card strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* =========================================
   問題提起セクション
========================================= */
.problems {
    padding: 80px 0;
    background: var(--bg-gray);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.problem-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 30px 25px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.problem-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.problem-icon {
    font-size: 50px;
    text-align: center;
    margin-bottom: 15px;
}

.problem-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
    text-align: center;
}

.problem-card p {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
    text-align: center;
}

.problem-card strong {
    color: var(--danger-color);
    font-weight: 700;
}

.problems-solution {
    text-align: center;
    margin-top: 60px;
}

.solution-text {
    font-size: 22px;
    color: var(--text-medium);
    margin-bottom: 20px;
}

.solution-text .highlight {
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 26px;
}

.solution-title {
    font-size: 36px;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1.5;
}

/* =========================================
   解決策セクション
========================================= */
.solutions {
    padding: 80px 0;
    background: var(--bg-white);
}

.solution-item {
    position: relative;
    margin-bottom: 80px;
}

.solution-number {
    position: absolute;
    top: -20px;
    left: 0;
    font-size: 80px;
    font-weight: 900;
    color: rgba(0, 102, 204, 0.1);
    line-height: 1;
    z-index: 0;
}

.solution-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: center;
    background: var(--bg-gray);
    border-radius: 20px;
    padding: 50px;
    box-shadow: var(--shadow-sm);
}

.solution-item.reverse .solution-content {
    grid-template-columns: 1fr 1.2fr;
}

.solution-item.reverse .solution-text {
    order: 2;
}

.solution-item.reverse .solution-image {
    order: 1;
}

.solution-text h3 {
    font-size: 28px;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.solution-subtitle {
    font-size: 18px;
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 20px;
}

.solution-subtitle strong {
    font-size: 22px;
}

.solution-text p {
    color: var(--text-medium);
    line-height: 1.9;
    margin-bottom: 25px;
}

.solution-text strong {
    color: var(--primary-color);
    font-weight: 700;
}

.solution-benefits {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.solution-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--text-dark);
}

.solution-benefits i {
    color: var(--success-color);
    font-size: 18px;
}

.solution-benefits .highlight-green {
    color: var(--success-color);
    font-weight: 700;
    font-size: 18px;
}

.solution-image img {
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    width: 100%;
}

.price-comparison-mini {
    display: flex;
    align-items: center;
    justify-content: space-around;
    background: var(--bg-white);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow-sm);
}

.price-before, .price-after {
    text-align: center;
}

.price-before p:first-child,
.price-after p:first-child {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.price-big {
    font-size: 36px;
    font-weight: 900;
    color: var(--text-dark);
    margin: 10px 0;
}

.price-after .price-big {
    color: var(--success-color);
}

.price-before p:last-child,
.price-after p:last-child {
    font-size: 12px;
    color: var(--text-light);
}

.price-arrow {
    font-size: 30px;
    color: var(--primary-color);
    font-weight: 900;
}

.features-mini {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.feature-mini-item {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 15px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.feature-mini-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.feature-mini-item i {
    display: block;
    font-size: 24px;
    margin-bottom: 8px;
}

.cta-section {
    text-align: center;
    margin-top: 80px;
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    border-radius: 20px;
}

.cta-section .cta-button-large {
    background: var(--secondary-color);
}

.cta-note {
    margin-top: 20px;
    color: var(--bg-white);
    font-size: 16px;
}

/* =========================================
   料金比較セクション
========================================= */
.price-comparison {
    padding: 80px 0;
    background: var(--bg-gray);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-bottom: 40px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.comparison-table thead {
    background: var(--primary-color);
    color: var(--bg-white);
}

.comparison-table th {
    padding: 20px;
    font-size: 18px;
    font-weight: 700;
    text-align: center;
}

.comparison-table th.old-service {
    background: rgba(255, 255, 255, 0.2);
}

.comparison-table th.new-service {
    background: var(--secondary-color);
}

.comparison-table th.difference {
    background: var(--success-color);
}

.comparison-table th .small {
    font-size: 12px;
    font-weight: 400;
    display: block;
    margin-top: 5px;
}

.comparison-table tbody tr {
    border-bottom: 1px solid var(--border-color);
}

.comparison-table tbody tr:last-child {
    border-bottom: none;
}

.comparison-table td {
    padding: 20px;
    text-align: center;
    font-size: 16px;
}

.comparison-table td:first-child {
    font-weight: 700;
    text-align: left;
    color: var(--text-dark);
}

.comparison-table td.old-service {
    color: var(--text-medium);
}

.comparison-table td.new-service {
    font-weight: 700;
    color: var(--primary-color);
}

.comparison-table td.new-service.highlight-green strong {
    color: var(--success-color);
    font-size: 22px;
}

.comparison-table td.difference.save {
    color: var(--success-color);
    font-weight: 700;
}

.comparison-table td.difference.save.big {
    font-size: 20px;
}

.comparison-table .small {
    font-size: 12px;
    color: var(--text-light);
    display: block;
    margin-top: 5px;
}

.comparison-table .total-row {
    background: #FFF9E6;
    font-weight: 700;
}

.comparison-table .total-row td {
    padding: 25px 20px;
}

.comparison-table .big-price {
    font-size: 28px;
    color: var(--success-color);
}

.comparison-note {
    text-align: center;
    padding: 25px;
    background: linear-gradient(135deg, #E8F5E9, #C8E6C9);
    border-radius: 12px;
    margin-bottom: 50px;
}

.comparison-note i {
    color: var(--success-color);
    font-size: 20px;
    margin-right: 10px;
}

.comparison-note .highlight,
.comparison-note .highlight-green {
    font-weight: 900;
    font-size: 20px;
}

.comparison-note .highlight {
    color: var(--secondary-color);
}

.comparison-note .highlight-green {
    color: var(--success-color);
}

.calculation-example {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 50px;
    box-shadow: var(--shadow-md);
}

.calculation-example h3 {
    font-size: 28px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.calc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.calc-card {
    background: var(--bg-gray);
    border-radius: 16px;
    padding: 30px;
}

.calc-card h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
    text-align: center;
}

.calc-usage {
    font-size: 14px;
    color: var(--text-medium);
    text-align: center;
    margin-bottom: 25px;
}

.calc-result {
    display: flex;
    align-items: center;
    justify-content: space-around;
    margin-bottom: 25px;
}

.calc-before, .calc-after {
    text-align: center;
}

.calc-before p:first-child,
.calc-after p:first-child {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 10px;
}

.calc-price {
    font-size: 16px;
    color: var(--text-dark);
}

.calc-price .big {
    font-size: 32px;
    font-weight: 900;
    display: inline-block;
}

.calc-after .calc-price {
    color: var(--success-color);
}

.calc-arrow {
    font-size: 24px;
    color: var(--primary-color);
    font-weight: 900;
}

.calc-save {
    text-align: center;
    font-size: 18px;
    padding: 15px;
    background: var(--bg-white);
    border-radius: 12px;
    color: var(--text-dark);
}

.calc-save .highlight-red {
    color: var(--danger-color);
    font-weight: 900;
    font-size: 22px;
}

/* =========================================
   メリット・デメリットセクション
========================================= */
.pros-cons {
    padding: 80px 0;
    background: var(--bg-white);
}

.pros-cons-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
}

.pros-section, .cons-section {
    background: var(--bg-gray);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.pros-title, .cons-title {
    font-size: 26px;
    font-weight: 900;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.pros-title {
    color: var(--success-color);
}

.cons-title {
    color: var(--secondary-color);
}

.pros-title i, .cons-title i {
    font-size: 28px;
}

.pros-list, .cons-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.pros-list li, .cons-list li {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.pros-list i {
    color: var(--success-color);
    font-size: 24px;
    flex-shrink: 0;
}

.cons-list i {
    color: var(--secondary-color);
    font-size: 24px;
    flex-shrink: 0;
}

.pros-list strong, .cons-list strong {
    font-size: 18px;
    font-weight: 700;
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.pros-list p, .cons-list p {
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.7;
}

.solution-badge {
    display: inline-block;
    background: var(--primary-color);
    color: var(--bg-white);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    margin-top: 10px;
}

.cons-note {
    margin-top: 30px;
    padding: 20px;
    background: var(--bg-white);
    border-radius: 12px;
    border-left: 4px solid var(--success-color);
}

.cons-note strong {
    color: var(--primary-color);
    font-weight: 700;
}

.cons-note .highlight {
    color: var(--success-color);
    font-weight: 900;
}

/* =========================================
   お客様の声セクション
========================================= */
.testimonials {
    padding: 80px 0;
    background: var(--bg-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.testimonial-info h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.testimonial-info p {
    font-size: 13px;
    color: var(--text-light);
}

.testimonial-rating {
    display: flex;
    gap: 5px;
    margin-bottom: 15px;
}

.testimonial-rating i {
    color: #FFD700;
    font-size: 16px;
}

.testimonial-text {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.8;
}

.testimonial-text strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* =========================================
   バナー広告セクション
========================================= */
.banner-ad-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #F5F7FA 0%, #E3F2FD 100%);
    text-align: center;
}

.banner-ad-wrapper {
    display: inline-block;
    background: var(--bg-white);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.banner-ad-wrapper:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.banner-ad-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.banner-ad-wrapper img {
    display: block;
    margin: 0 auto;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

/* =========================================
   サイドバナーセクション
========================================= */
.side-banner-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
}

.side-banner-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
    align-items: center;
    background: var(--bg-white);
    border-radius: 20px;
    padding: 50px;
    box-shadow: var(--shadow-lg);
}

.side-banner-content h3 {
    font-size: 32px;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.4;
}

.side-banner-content p {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 25px;
}

.side-banner-benefits {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 30px;
}

.side-banner-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-dark);
}

.side-banner-benefits i {
    color: var(--success-color);
    font-size: 18px;
}

.side-banner-ad {
    text-align: center;
}

.side-banner-ad img {
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.side-banner-ad img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* =========================================
   よくある質問セクション
========================================= */
.faq {
    padding: 80px 0;
    background: var(--bg-white);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-white);
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 25px 30px;
    cursor: pointer;
    background: var(--bg-gray);
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: #E3F2FD;
}

.faq-question i.fa-question-circle {
    color: var(--primary-color);
    font-size: 24px;
    flex-shrink: 0;
}

.faq-question h3 {
    flex: 1;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
}

.faq-question i.fa-chevron-down {
    color: var(--primary-color);
    font-size: 18px;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i.fa-chevron-down {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

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

.faq-answer p {
    padding: 25px 30px;
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.9;
}

.faq-answer strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* =========================================
   最終CTAセクション
========================================= */
.final-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.final-cta-content {
    text-align: center;
    color: var(--bg-white);
}

.final-cta-content h2 {
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 25px;
    line-height: 1.4;
}

.final-cta-content .highlight {
    color: var(--secondary-color);
}

.final-cta-text {
    font-size: 18px;
    margin-bottom: 40px;
    line-height: 1.8;
}

.final-cta-text strong {
    font-weight: 700;
    color: #FFD700;
}

.final-cta-benefits {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 500;
}

.benefit-item i {
    color: var(--success-color);
    font-size: 20px;
}

.cta-button-huge {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: var(--secondary-color);
    color: var(--bg-white);
    padding: 25px 60px;
    border-radius: 50px;
    font-size: 24px;
    font-weight: 900;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.cta-button-huge:hover {
    background: var(--secondary-dark);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.final-cta-note {
    margin-top: 20px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.limited-offer {
    margin-top: 60px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    border: 2px dashed rgba(255, 255, 255, 0.3);
}

.limited-offer i {
    font-size: 32px;
    color: #FFD700;
    margin-bottom: 15px;
}

.limited-offer strong {
    color: #FFD700;
    font-size: 20px;
}

/* =========================================
   フッター
========================================= */
.footer {
    background: var(--text-dark);
    color: var(--bg-white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-about h3 {
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 15px;
    color: var(--primary-light);
}

.footer-about p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-contact p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-cta {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--bg-white);
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.footer-cta:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 10px;
}

.disclaimer {
    font-size: 11px !important;
}

/* =========================================
   レスポンシブデザイン（タブレット）
========================================= */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-title .highlight {
        font-size: 42px;
    }
    
    .reasons-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .problems-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solution-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .solution-item.reverse .solution-content {
        grid-template-columns: 1fr;
    }
    
    .solution-item.reverse .solution-text {
        order: 1;
    }
    
    .solution-item.reverse .solution-image {
        order: 2;
    }
    
    .calc-grid {
        grid-template-columns: 1fr;
    }
    
    .pros-cons-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .side-banner-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* =========================================
   レスポンシブデザイン（モバイル）
========================================= */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .logo {
        font-size: 20px;
    }
    
    .hero {
        padding: 60px 0 80px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-title .highlight {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .cta-button-large {
        font-size: 18px;
        padding: 18px 35px;
    }
    
    .section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .reasons-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .problems-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .solution-content {
        padding: 30px 20px;
    }
    
    .solution-text h3 {
        font-size: 24px;
    }
    
    .comparison-table {
        font-size: 14px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 12px 8px;
    }
    
    .calculation-example {
        padding: 30px 20px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .final-cta-content h2 {
        font-size: 28px;
    }
    
    .final-cta-text {
        font-size: 16px;
    }
    
    .final-cta-benefits {
        flex-direction: column;
        gap: 15px;
    }
    
    .cta-button-huge {
        font-size: 20px;
        padding: 20px 40px;
    }
    
    .urgency-content {
        flex-direction: column;
        text-align: center;
    }
    
    .urgency-content p {
        font-size: 14px;
    }
    
    .side-banner-grid {
        padding: 30px 20px;
    }
    
    .side-banner-content h3 {
        font-size: 24px;
    }
    
    .banner-ad-wrapper {
        padding: 20px;
    }
    
    .banner-ad-wrapper img,
    .side-banner-ad img {
        max-width: 100%;
        height: auto;
    }
}