/* リセットとベーススタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0066cc;
    --secondary-color: #00b900;
    --accent-color: #ff6b00;
    --dark-bg: #1a1a2e;
    --light-bg: #f8f9fa;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --border-color: #dee2e6;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --line-color: #06c755;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

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

/* ヘッダーナビゲーション */
.header-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 61, 122, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-nav .container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
}

/* ヒーローセクション */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    background: 
        linear-gradient(135deg, rgba(0, 102, 204, 0.85) 0%, rgba(0, 61, 122, 0.9) 100%),
        url('https://www.genspark.ai/api/files/s/QbvWwg2p') center center / cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,96C1248,75,1344,53,1392,42.7L1440,32L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    animation: wave 15s linear infinite;
}

@keyframes wave {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-50px); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

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

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.3;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
    color: #ffd700;
    position: relative;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 2rem;
    color: white;
    opacity: 0.7;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-15px);
    }
    60% {
        transform: translateX(-50%) translateY(-7px);
    }
}

/* ボタンスタイル */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 35px;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: 'Noto Sans JP', sans-serif;
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-xl {
    padding: 20px 50px;
    font-size: 1.2rem;
}

.btn-primary {
    background: var(--line-color);
    color: white;
    box-shadow: 0 4px 15px rgba(6, 199, 85, 0.4);
}

.btn-primary:hover {
    background: #05b04a;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 199, 85, 0.5);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-secondary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.btn-line {
    background: var(--line-color);
    color: white;
    box-shadow: 0 4px 15px rgba(6, 199, 85, 0.4);
}

.btn-line:hover {
    background: #05b04a;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 199, 85, 0.5);
}

/* セクション共通スタイル */
section {
    padding: 80px 0;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 900;
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-dark);
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

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

.subsection-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-dark);
}

/* 問題提起セクション */
.problems {
    background: var(--light-bg);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.problem-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.problem-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.problem-card p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-dark);
}

.problems-conclusion {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-top: 40px;
}

/* メリットセクション */
.benefits {
    background: white;
}

.benefit-item {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
    align-items: flex-start;
    animation: fadeIn 0.8s ease-out;
}

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

.benefit-icon {
    position: relative;
    flex-shrink: 0;
}

.benefit-icon i {
    font-size: 4rem;
    color: var(--primary-color);
    display: block;
}

.benefit-number {
    position: absolute;
    bottom: -10px;
    right: -10px;
    background: var(--accent-color);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.2rem;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.benefit-content {
    flex: 1;
}

.benefit-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.benefit-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-light);
}

.benefit-example {
    background: #e3f2fd;
    padding: 25px;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.benefit-example h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.benefit-example ul {
    list-style: none;
}

.benefit-example li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 1rem;
}

.benefit-example li i {
    color: var(--success-color);
    font-size: 1.2rem;
}

.benefit-specs {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    margin-top: 20px;
}

.benefit-specs h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.spec-item {
    text-align: center;
    padding: 15px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.spec-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 8px;
}

.spec-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.spec-value small {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 400;
}

.social-contribution {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.contribution-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: #fff3e0;
    border-radius: 10px;
    border-left: 4px solid var(--accent-color);
}

.contribution-item i {
    font-size: 2rem;
    color: var(--accent-color);
}

.contribution-item span {
    font-size: 1rem;
    font-weight: 600;
}

.benefit-note {
    font-size: 1rem;
    line-height: 1.8;
    margin-top: 20px;
    padding: 15px;
    background: #e8f5e9;
    border-radius: 8px;
    color: var(--text-dark);
}

/* 比較表セクション */
.comparison {
    background: var(--light-bg);
}

.comparison-table-wrapper {
    overflow-x: auto;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    min-width: 600px;
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--primary-color) 0%, #003d7a 100%);
    color: white;
}

.comparison-table th {
    padding: 20px;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 700;
}

.comparison-table th small {
    font-size: 0.85rem;
    font-weight: 400;
    opacity: 0.9;
}

.comparison-table td {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

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

.comparison-table tbody tr:hover {
    background: #f8f9fa;
}

.label-col {
    font-weight: 600;
    background: #f8f9fa;
    text-align: left;
}

.highlight-col {
    background: #e3f2fd;
    font-weight: 600;
    color: var(--primary-color);
}

/* 投資事例セクション */
.case-study {
    background: white;
}

.case-content {
    max-width: 900px;
    margin: 0 auto;
}

.case-overview {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 15px;
    margin-bottom: 30px;
}

.case-overview h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--text-dark);
    text-align: center;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.overview-item {
    display: flex;
    flex-direction: column;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.overview-label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 8px;
}

.overview-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
}

.overview-value small {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 400;
}

.case-effect {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
}

.case-effect h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.case-effect p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
}

/* 個人投資家メリットセクション */
.individual-benefits {
    background: var(--light-bg);
}

.individual-content {
    max-width: 900px;
    margin: 0 auto;
}

.individual-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.individual-intro {
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-dark);
}

.merit-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.merit-step {
    flex: 1;
    min-width: 250px;
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    margin: 0 auto 20px;
}

.merit-step p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-dark);
}

.merit-step strong {
    color: var(--accent-color);
    font-size: 1.3rem;
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary-color);
}

.individual-conclusion {
    font-size: 1.2rem;
    line-height: 1.8;
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
    border-radius: 15px;
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 30px;
}

.individual-warning {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    padding: 20px;
    background: #fff3cd;
    border-left: 4px solid var(--warning-color);
    border-radius: 8px;
}

.individual-warning i {
    font-size: 1.5rem;
    color: var(--warning-color);
    flex-shrink: 0;
}

.individual-warning p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-dark);
}

/* リスクセクション */
.risks {
    background: white;
}

.risks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.risk-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
    text-align: center;
}

.risk-card:hover {
    transform: translateY(-5px);
}

.risk-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.risk-icon i {
    font-size: 2.5rem;
    color: white;
}

.risk-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.risk-solution {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    padding: 15px;
    background: white;
    border-radius: 10px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.risk-solution i {
    color: var(--success-color);
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* ターゲットセクション */
.target-audience {
    background: var(--light-bg);
}

.target-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.target-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.target-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.target-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #003d7a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.target-icon i {
    font-size: 2.5rem;
    color: white;
}

.target-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.target-card ul {
    list-style: none;
}

.target-card li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.target-card li i {
    color: var(--success-color);
    font-size: 1.1rem;
    margin-top: 3px;
    flex-shrink: 0;
}

/* CTAセクション */
.cta {
    background: linear-gradient(135deg, #0066cc 0%, #003d7a 100%);
    color: white;
}

.cta .section-title {
    color: white;
}

.cta .section-title::after {
    background: linear-gradient(90deg, white, rgba(255, 255, 255, 0.5));
}

.cta-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 50px;
    border-radius: 20px;
    margin-bottom: 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-section:last-child {
    margin-bottom: 0;
}

.cta-icon {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
}

.cta-icon i {
    font-size: 3rem;
    color: white;
}

.cta-section h3 {
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
}

.cta-description {
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 30px;
}

.benefits-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
    margin-bottom: 40px;
}

.benefit-gift {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    font-size: 0.95rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.benefit-gift i {
    color: #ffd700;
    font-size: 1.2rem;
}

.line-section .btn {
    display: flex;
    width: fit-content;
    margin: 0 auto;
}

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

.phone-number {
    margin: 20px 0;
}

.phone-number a {
    font-size: 2.5rem;
    font-weight: 900;
    color: #ffd700;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.phone-number a:hover {
    transform: scale(1.05);
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.phone-company {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.phone-hours {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 15px;
}

.phone-note {
    font-size: 0.9rem;
    opacity: 0.8;
    font-style: italic;
}

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

.expert-company {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 30px;
}

.expert-achievements {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.achievement-item i {
    font-size: 2rem;
    color: #ffd700;
}

/* FAQセクション */
.faq {
    background: white;
}

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

.faq-item {
    background: #f8f9fa;
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 25px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: #e9ecef;
}

.faq-question i.fa-question-circle {
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.faq-question h3 {
    flex: 1;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
}

.faq-toggle {
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 25px 25px;
}

.faq-answer p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-light);
}

/* クロージングセクション */
.closing {
    background: var(--light-bg);
}

.closing-content {
    max-width: 800px;
    margin: 0 auto 50px;
}

.closing-text {
    font-size: 1.15rem;
    line-height: 2;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.closing-cta-text {
    font-size: 1.2rem;
    font-weight: 700;
    margin-top: 40px;
    text-align: center;
    color: var(--primary-color);
}

.closing-actions {
    text-align: center;
    padding: 50px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
}

.closing-actions h3 {
    font-size: 1.8rem;
    font-weight: 900;
    margin-bottom: 40px;
    color: var(--text-dark);
}

.closing-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* フッター */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 40px 0;
    text-align: center;
}

.disclaimer {
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 20px;
    opacity: 0.8;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.copyright {
    font-size: 0.85rem;
    opacity: 0.6;
}

/* スクロールトップボタン */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
}

.scroll-top:hover {
    background: #004fa3;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.scroll-top.visible {
    display: flex;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .header-nav {
        padding: 15px 0;
    }

    .logo {
        font-size: 1.2rem;
    }

    .hero {
        height: auto;
        min-height: 600px;
        padding: 80px 0 60px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }

    section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }

    .benefit-item {
        flex-direction: column;
        text-align: center;
    }

    .benefit-icon {
        margin: 0 auto 20px;
    }

    .merit-steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .target-grid {
        grid-template-columns: 1fr;
    }

    .cta-section {
        padding: 30px 20px;
    }

    .phone-number a {
        font-size: 1.8rem;
    }

    .closing-buttons {
        flex-direction: column;
    }

    .closing-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 12px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn-lg {
        padding: 15px 30px;
        font-size: 1rem;
    }

    .btn-xl {
        padding: 16px 35px;
        font-size: 1.05rem;
    }

    .problems-grid {
        grid-template-columns: 1fr;
    }

    .specs-grid {
        grid-template-columns: 1fr;
    }

    .overview-grid {
        grid-template-columns: 1fr;
    }

    .benefits-list {
        grid-template-columns: 1fr;
    }

    .expert-achievements {
        grid-template-columns: 1fr;
    }
}