/* ==============================================
   障がい者アートランディングページ - スタイルシート
   カラースキーム：
   - メイン: #1A1A2E (深い紺色)
   - アクセント: #D4AF37 (ゴールド)
   - 補色: #F5E6D3 (温かいベージュ)
   ============================================== */

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

:root {
    --color-primary: #1A1A2E;
    --color-accent: #D4AF37;
    --color-beige: #F5E6D3;
    --color-white: #FFFFFF;
    --color-gray-light: #F8F9FA;
    --color-gray-medium: #6C757D;
    --color-gray-dark: #343A40;
    --color-success: #28A745;
    --color-info: #17A2B8;
    
    --font-primary: 'BIZ UDPGothic', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Meiryo', sans-serif;
    --font-secondary: 'BIZ UDMincho', 'Hiragino Mincho ProN', 'Yu Mincho', 'YuMincho', serif;
    
    --transition-base: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-primary);
    line-height: 1.8;
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

/* === ヘッダー === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.logo i {
    color: var(--color-accent);
}

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

.nav a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-base);
    position: relative;
}

.nav a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition-base);
}

.nav a:not(.nav-cta):hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--color-accent);
    color: var(--color-white);
    padding: 10px 24px;
    border-radius: 25px;
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-primary);
    cursor: pointer;
}

/* モバイルメニュー */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    transition: var(--transition-base);
    padding: 80px 30px 30px;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-primary);
    cursor: pointer;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-nav a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 18px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-beige);
}

/* === ヒーローセクション === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 60px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2A2A4E 100%);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1561214115-f2f134cc4912?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(26, 26, 46, 0.7) 0%, rgba(26, 26, 46, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 24px;
    line-height: 1.3;
    animation: fadeInUp 1s ease;
}

.hero-title .accent {
    color: var(--color-accent);
    display: block;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--color-beige);
    margin-bottom: 40px;
    line-height: 1.8;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-subtitle .highlight {
    color: var(--color-accent);
    font-weight: 700;
    font-size: 24px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.hero-stats {
    display: flex;
    gap: 60px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.6s backwards;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--color-beige);
    font-weight: 500;
}

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

.scroll-indicator i {
    color: var(--color-accent);
    font-size: 24px;
}

/* === ボタン === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 16px;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: transparent;
    color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

/* === セクション共通 === */
section {
    padding: 100px 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

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

.section-subtitle {
    font-size: 18px;
    color: var(--color-gray-medium);
    max-width: 700px;
    margin: 0 auto;
}

/* === 作家ストーリーセクション === */
.story-section {
    background: var(--color-beige);
}

.story-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.story-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.story-image {
    width: 100%;
    height: auto;
    display: block;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(212, 175, 55, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
}

.play-button:hover {
    background: var(--color-accent);
    transform: translate(-50%, -50%) scale(1.1);
}

.play-button i {
    color: var(--color-white);
    font-size: 30px;
    margin-left: 5px;
}

.story-quote {
    font-size: 18px;
    line-height: 1.8;
    color: var(--color-primary);
    margin-bottom: 40px;
    font-style: italic;
    border-left: 4px solid var(--color-accent);
    padding-left: 24px;
}

.transparency-box {
    background: var(--color-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
}

.transparency-box h3 {
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.transparency-box h3 i {
    color: var(--color-accent);
}

.money-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 20px;
}

.flow-item {
    text-align: center;
    flex: 1;
}

.flow-percentage {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 5px;
}

.flow-item.highlight .flow-percentage {
    color: var(--color-accent);
}

.flow-label {
    font-size: 13px;
    color: var(--color-gray-medium);
}

.money-flow i {
    color: var(--color-gray-medium);
}

.transparency-note {
    font-size: 14px;
    color: var(--color-gray-medium);
    text-align: center;
}

/* === メリットセクション === */
.benefits-section {
    background: var(--color-white);
}

.benefit-item {
    position: relative;
    margin-bottom: 100px;
    padding: 60px 0;
}

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

.benefit-number {
    position: absolute;
    top: 0;
    left: 0;
    font-size: 120px;
    font-weight: 700;
    color: var(--color-beige);
    line-height: 1;
    z-index: 0;
}

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

.benefit-item.reverse .benefit-content {
    direction: rtl;
}

.benefit-item.reverse .benefit-text {
    direction: ltr;
}

.benefit-item.reverse .benefit-visual {
    direction: ltr;
}

.benefit-content.full-width {
    grid-template-columns: 1fr;
}

.benefit-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.benefit-description {
    font-size: 16px;
    color: var(--color-gray-medium);
    margin-bottom: 30px;
    line-height: 1.8;
}

.benefit-list {
    list-style: none;
    margin-bottom: 30px;
}

.benefit-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 16px;
}

.benefit-list i {
    color: var(--color-accent);
    font-size: 18px;
}

.benefit-image {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

/* ビフォー・アフター */
.before-after {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 20px;
    align-items: center;
}

.before-after-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.before-after-item img {
    width: 100%;
    height: auto;
    display: block;
}

.ba-label {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--color-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.ba-label.accent {
    background: var(--color-accent);
}

.before-after-arrow i {
    font-size: 30px;
    color: var(--color-accent);
}

/* 証言 */
.testimonial {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: var(--color-gray-light);
    padding: 24px;
    border-radius: 15px;
    margin-top: 30px;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-content p {
    font-size: 15px;
    color: var(--color-primary);
    margin-bottom: 10px;
    line-height: 1.6;
}

.testimonial-author {
    font-size: 14px;
    color: var(--color-gray-medium);
    font-weight: 600;
}

/* ユースケース */
.use-cases {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.use-case-item {
    background: var(--color-gray-light);
    padding: 24px;
    border-radius: 15px;
    text-align: center;
}

.use-case-item i {
    font-size: 32px;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.use-case-item h4 {
    font-size: 16px;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.use-case-item p {
    font-size: 14px;
    color: var(--color-gray-medium);
}

/* ハイライトメリット（節税） */
.highlight-benefit {
    background: linear-gradient(135deg, var(--color-beige) 0%, #FFF5E1 100%);
    border-radius: 30px;
    padding: 60px 40px;
    margin: 60px 0;
}

.benefit-header-centered {
    text-align: center;
    margin-bottom: 50px;
}

.tax-benefit-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.tax-calculation-box {
    background: var(--color-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
}

.tax-calculation-box.highlight {
    background: var(--color-accent);
    color: var(--color-white);
}

.tax-calculation-box h4 {
    font-size: 18px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.tax-table th,
.tax-table td {
    padding: 12px;
    text-align: center;
    border-bottom: 1px solid var(--color-beige);
}

.tax-table th {
    font-weight: 600;
    color: var(--color-gray-medium);
    font-size: 14px;
}

.tax-table td {
    font-size: 16px;
}

.accent-text {
    color: var(--color-accent);
    font-weight: 700;
    font-size: 20px;
}

.tax-note {
    line-height: 1.8;
}

.large-number {
    font-size: 36px;
    font-weight: 700;
    display: block;
    margin: 10px 0;
}

/* 実質負担額 */
.real-cost-box {
    background: var(--color-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 40px;
}

.real-cost-box h4 {
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: 24px;
    text-align: center;
}

.cost-breakdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.cost-item {
    text-align: center;
}

.cost-label {
    font-size: 14px;
    color: var(--color-gray-medium);
    margin-bottom: 8px;
}

.cost-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
}

.cost-item.accent .cost-value {
    color: var(--color-accent);
}

.cost-item.result {
    background: var(--color-accent);
    padding: 20px 30px;
    border-radius: 15px;
}

.cost-item.result .cost-label,
.cost-item.result .cost-value {
    color: var(--color-white);
}

.cost-operator {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-gray-medium);
}

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

.additional-value p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--color-gray-medium);
}

.additional-value i {
    color: var(--color-success);
}

/* 減価償却比較 */
.depreciation-comparison {
    background: var(--color-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
}

.depreciation-comparison h4 {
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: 30px;
    text-align: center;
}

.comparison-chart {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.chart-item h5 {
    font-size: 16px;
    color: var(--color-primary);
    margin-bottom: 20px;
    text-align: center;
}

.chart-bars {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    justify-content: center;
    height: 320px;
}

.chart-bar {
    flex: 1;
    background: var(--color-gray-light);
    border-radius: 10px 10px 0 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    padding: 10px 5px;
    position: relative;
}

.chart-item.highlight .chart-bar {
    background: var(--color-accent);
    color: var(--color-white);
}

.chart-bar span {
    font-size: 12px;
    margin-bottom: 5px;
}

.chart-bar strong {
    font-size: 16px;
    font-weight: 700;
}

.chart-note {
    text-align: center;
    margin-top: 15px;
    font-size: 14px;
    color: var(--color-accent);
    font-weight: 600;
}

.tax-disclaimer {
    text-align: center;
    margin-top: 20px;
    font-size: 12px;
    color: var(--color-gray-medium);
}

/* メッセージボックス */
.message-box {
    background: var(--color-primary);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    margin-top: 40px;
}

.message-box i {
    color: var(--color-accent);
    font-size: 32px;
    margin-bottom: 15px;
}

.message-text {
    font-size: 24px;
    color: var(--color-white);
    font-weight: 600;
    font-style: italic;
}

/* SDGs */
.sdgs-goals {
    margin-top: 30px;
}

.sdg-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 30px;
}

.sdg-icon {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    color: var(--color-white);
    flex-shrink: 0;
}

.sdg-8 {
    background: #A21942;
}

.sdg-10 {
    background: #DD1367;
}

.sdg-17 {
    background: #19486A;
}

.sdg-content h4 {
    font-size: 18px;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.sdg-content p {
    font-size: 15px;
    color: var(--color-gray-medium);
}

/* インパクトダッシュボード */
.impact-dashboard {
    background: var(--color-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

.impact-dashboard h4 {
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.impact-dashboard h4 i {
    color: var(--color-accent);
}

.impact-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.impact-stat {
    text-align: center;
    padding: 20px;
    background: var(--color-beige);
    border-radius: 10px;
}

.impact-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.impact-label {
    font-size: 13px;
    color: var(--color-primary);
}

.impact-note {
    background: var(--color-gray-light);
    padding: 15px;
    border-radius: 10px;
    text-align: center;
}

.impact-note p {
    font-size: 14px;
    color: var(--color-gray-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.impact-note i {
    color: var(--color-accent);
}

/* 資産ポイント */
.asset-points {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.asset-point {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    padding: 20px;
    background: var(--color-gray-light);
    border-radius: 10px;
}

.asset-point i {
    font-size: 24px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.asset-point p {
    font-size: 14px;
    color: var(--color-primary);
}

.case-study-box {
    background: var(--color-accent);
    padding: 30px;
    border-radius: 15px;
    color: var(--color-white);
}

.case-study-box h4 {
    font-size: 18px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.case-study-box blockquote {
    font-size: 16px;
    line-height: 1.6;
    font-style: italic;
    margin-bottom: 15px;
}

.case-note {
    font-size: 14px;
    opacity: 0.9;
}

/* === 節税計算機セクション === */
.calculator-section {
    background: var(--color-primary);
    color: var(--color-white);
}

.calculator-section .section-title,
.calculator-section .section-subtitle {
    color: var(--color-white);
}

.calculator-section .section-subtitle {
    opacity: 0.8;
}

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

.calculator-form {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    margin-bottom: 40px;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-white);
}

.form-group input[type="number"],
.form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-size: 16px;
    transition: var(--transition-base);
}

.form-group input[type="number"]:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.15);
}

.form-group input[type="range"] {
    width: 100%;
    margin-top: 10px;
}

.calculator-result {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    flex-wrap: wrap;
}

.result-item {
    text-align: center;
}

.result-label {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 8px;
}

.result-value {
    font-size: 32px;
    font-weight: 700;
}

.result-item.accent {
    color: var(--color-accent);
}

.result-item.highlight {
    background: var(--color-accent);
    padding: 20px 30px;
    border-radius: 15px;
}

.result-operator {
    font-size: 32px;
    font-weight: 700;
}

/* === プランセクション === */
.plans-section {
    background: var(--color-gray-light);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.plan-card {
    background: var(--color-white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    position: relative;
}

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

.plan-card.featured {
    border: 3px solid var(--color-accent);
    transform: scale(1.05);
}

.plan-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.plan-badge {
    display: inline-block;
    background: var(--color-gray-light);
    color: var(--color-primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.plan-badge.accent {
    background: var(--color-accent);
    color: var(--color-white);
}

.plan-popular-tag {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
}

.plan-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.plan-price {
    margin-bottom: 15px;
}

.price-amount {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-accent);
}

.price-unit {
    font-size: 18px;
    color: var(--color-gray-medium);
}

.plan-description {
    font-size: 16px;
    color: var(--color-gray-medium);
    margin-bottom: 30px;
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 15px;
}

.plan-features i {
    color: var(--color-accent);
}

.plan-popular {
    background: var(--color-beige);
    padding: 12px;
    border-radius: 10px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.plan-popular i {
    color: var(--color-accent);
}

.plan-card .btn {
    width: 100%;
    justify-content: center;
}

.plan-combination {
    max-width: 800px;
    margin: 0 auto;
}

.combination-box {
    background: var(--color-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.combination-box i {
    font-size: 32px;
    color: var(--color-accent);
    margin-bottom: 15px;
}

.combination-box h4 {
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.combination-box p {
    font-size: 16px;
    color: var(--color-gray-medium);
}

/* === 導入事例セクション === */
.cases-section {
    background: var(--color-white);
}

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

.case-card {
    background: var(--color-white);
    border: 2px solid var(--color-beige);
    padding: 30px;
    border-radius: 20px;
    transition: var(--transition-base);
}

.case-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.case-header {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--color-beige);
}

.case-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.case-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 5px;
}

.case-title {
    font-size: 14px;
    color: var(--color-gray-medium);
}

.case-tag {
    display: inline-block;
    background: var(--color-gray-light);
    color: var(--color-primary);
    padding: 6px 14px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 15px;
}

.case-tag.accent {
    background: var(--color-accent);
    color: var(--color-white);
}

.case-tag.premium {
    background: var(--color-primary);
    color: var(--color-white);
}

.case-subtitle {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.case-quote {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-gray-medium);
    margin-bottom: 20px;
    font-style: italic;
}

.case-results {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.case-result-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--color-beige);
    padding: 10px 15px;
    border-radius: 10px;
    font-size: 13px;
}

.case-result-item i {
    color: var(--color-accent);
}

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

/* === FAQセクション === */
.faq-section {
    background: var(--color-gray-light);
}

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

.faq-item {
    background: var(--color-white);
    border-radius: 15px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 25px 30px;
    cursor: pointer;
    transition: var(--transition-base);
}

.faq-question:hover {
    background: var(--color-beige);
}

.faq-question i:first-child {
    color: var(--color-accent);
    font-size: 24px;
}

.faq-question h3 {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
}

.faq-icon {
    color: var(--color-gray-medium);
    transition: var(--transition-base);
}

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

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

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.faq-answer p {
    padding: 0 30px 20px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-gray-medium);
}

.faq-answer ul {
    padding: 0 30px 25px 50px;
}

.faq-answer li {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-gray-medium);
    margin-bottom: 10px;
}

/* === CTAセクション === */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2A2A4E 100%);
    color: var(--color-white);
}

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

.cta-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 18px;
    text-align: center;
    opacity: 0.9;
    margin-bottom: 50px;
}

.cta-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.cta-option {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-base);
}

.cta-option:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.cta-option-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.cta-option-icon.accent {
    background: var(--color-accent);
}

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

.cta-option h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.cta-option p {
    font-size: 16px;
    margin-bottom: 8px;
}

.cta-option-detail {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 25px;
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.trust-badge i {
    color: var(--color-accent);
}

.trust-badge strong {
    color: var(--color-accent);
}

/* === お問い合わせフォーム === */
.contact-form-wrapper {
    background: var(--color-white);
    padding: 40px;
    border-radius: 20px;
    margin-top: 40px;
    box-shadow: var(--shadow-lg);
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--color-beige);
}

.form-header h3 {
    font-size: 24px;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-header h3 i {
    color: var(--color-accent);
}

.form-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-gray-medium);
    cursor: pointer;
    transition: var(--transition-base);
}

.form-close:hover {
    color: var(--color-primary);
    transform: rotate(90deg);
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.contact-form .form-group {
    margin-bottom: 25px;
}

.contact-form label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.contact-form .required {
    color: #DC3545;
    font-size: 12px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--color-beige);
    border-radius: 10px;
    font-size: 15px;
    font-family: var(--font-primary);
    transition: var(--transition-base);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.contact-form textarea {
    resize: vertical;
}

.form-note {
    font-size: 12px;
    color: var(--color-gray-medium);
    margin-top: 5px;
}

/* === フッター === */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 60px 20px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-logo i {
    color: var(--color-accent);
}

.footer-description {
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.8;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-accent);
    transform: translateY(-3px);
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--color-accent);
}

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

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

.footer-links a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 14px;
    opacity: 0.8;
    transition: var(--transition-base);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 14px;
    opacity: 0.8;
    line-height: 1.6;
}

.footer-contact i {
    color: var(--color-accent);
    margin-top: 3px;
    flex-shrink: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    opacity: 0.7;
}

/* === トップへ戻るボタン === */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
    box-shadow: var(--shadow-md);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* === アニメーション === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* === レスポンシブデザイン === */

/* タブレット（横向き）・小型ノートPC */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .section-title {
        font-size: 38px;
    }
}

/* タブレット */
@media (max-width: 1024px) {
    .container {
        max-width: 100%;
        padding: 0 30px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .benefit-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .benefit-item.reverse .benefit-content {
        direction: ltr;
    }
    
    .story-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .plans-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .plan-card.featured {
        transform: scale(1);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .tax-benefit-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .chart-bars {
        height: 250px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

/* モバイル（タブレット縦向き） */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    /* ナビゲーション */
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    /* ヒーローセクション */
    .hero {
        min-height: 80vh;
        padding: 120px 20px 40px;
    }
    
    .hero-title {
        font-size: 32px;
        line-height: 1.4;
    }
    
    .hero-subtitle {
        font-size: 16px;
        margin-bottom: 30px;
    }
    
    .hero-subtitle .highlight {
        font-size: 20px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        gap: 30px;
        flex-direction: column;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .stat-label {
        font-size: 13px;
    }
    
    /* セクション共通 */
    section {
        padding: 60px 20px;
    }
    
    .section-title {
        font-size: 28px;
        line-height: 1.4;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    /* メリットセクション */
    .benefit-number {
        font-size: 80px;
    }
    
    .benefit-title {
        font-size: 24px;
    }
    
    .benefit-description {
        font-size: 15px;
    }
    
    .before-after {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .before-after-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    .use-cases {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .testimonial {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    /* 節税セクション */
    .highlight-benefit {
        padding: 40px 20px;
    }
    
    .tax-table {
        font-size: 14px;
    }
    
    .tax-table th,
    .tax-table td {
        padding: 8px;
        font-size: 13px;
    }
    
    .accent-text {
        font-size: 18px;
    }
    
    .large-number {
        font-size: 28px;
    }
    
    .comparison-chart {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .chart-bars {
        height: 200px;
    }
    
    .additional-value {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .message-box {
        padding: 30px 20px;
    }
    
    .message-text {
        font-size: 20px;
    }
    
    /* SDGs */
    .sdg-item {
        gap: 15px;
    }
    
    .sdg-icon {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }
    
    .sdg-content h4 {
        font-size: 16px;
    }
    
    .sdg-content p {
        font-size: 14px;
    }
    
    /* 計算機 */
    .calculator-form {
        padding: 30px 20px;
    }
    
    .calculator-result {
        flex-direction: column;
        padding: 30px 20px;
        gap: 15px;
    }
    
    .result-value {
        font-size: 28px;
    }
    
    .result-operator {
        font-size: 28px;
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    /* プラン */
    .plans-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .plan-card {
        padding: 30px 20px;
    }
    
    .plan-title {
        font-size: 24px;
    }
    
    .price-amount {
        font-size: 32px;
    }
    
    /* 導入事例 */
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .case-card {
        padding: 25px 20px;
    }
    
    /* FAQ */
    .faq-question {
        padding: 20px 15px;
        gap: 10px;
    }
    
    .faq-question h3 {
        font-size: 16px;
    }
    
    .faq-question i:first-child {
        font-size: 20px;
    }
    
    .faq-answer p {
        padding: 0 15px 15px;
        font-size: 14px;
    }
    
    .faq-answer ul {
        padding: 0 15px 20px 35px;
    }
    
    /* CTA */
    .cta-title {
        font-size: 28px;
    }
    
    .cta-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }
    
    .cta-options {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .cta-option {
        padding: 30px 20px;
    }
    
    .cta-option h3 {
        font-size: 20px;
    }
    
    .trust-badges {
        flex-direction: column;
        gap: 15px;
        padding: 20px;
    }
    
    /* フォーム */
    .contact-form-wrapper {
        padding: 30px 20px;
    }
    
    .form-header h3 {
        font-size: 20px;
    }
    
    .contact-form .form-row {
        grid-template-columns: 1fr;
    }
    
    /* フッター */
    .footer {
        padding: 50px 20px 30px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    /* 透明性ボックス */
    .money-flow {
        flex-direction: column;
        gap: 15px;
    }
    
    .money-flow i {
        transform: rotate(90deg);
        margin: 5px 0;
    }
    
    .flow-percentage {
        font-size: 24px;
    }
    
    .flow-label {
        font-size: 12px;
    }
    
    /* コスト内訳 */
    .cost-breakdown {
        flex-direction: column;
        gap: 15px;
    }
    
    .cost-operator {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    .cost-value {
        font-size: 28px;
    }
    
    /* インパクトダッシュボード */
    .impact-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .impact-dashboard {
        padding: 25px 20px;
    }
    
    .impact-number {
        font-size: 32px;
    }
    
    /* 資産ポイント */
    .asset-points {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    /* トップへ戻るボタン */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
}

/* 小型モバイル */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    /* ヘッダー */
    .header-content {
        padding: 15px 0;
    }
    
    .logo {
        font-size: 20px;
    }
    
    /* ヒーロー */
    .hero {
        min-height: 70vh;
        padding: 100px 15px 30px;
    }
    
    .hero-title {
        font-size: 24px;
        margin-bottom: 20px;
        line-height: 1.5;
    }
    
    .hero-subtitle {
        font-size: 14px;
        margin-bottom: 25px;
    }
    
    .hero-subtitle .highlight {
        font-size: 18px;
        display: block;
        margin-top: 5px;
    }
    
    .hero-cta {
        gap: 12px;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 14px;
    }
    
    .btn i {
        font-size: 14px;
    }
    
    .hero-stats {
        gap: 25px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    /* セクション */
    section {
        padding: 50px 15px;
    }
    
    .section-title {
        font-size: 24px;
        margin-bottom: 12px;
    }
    
    .section-subtitle {
        font-size: 15px;
    }
    
    /* メリット */
    .benefit-item {
        margin-bottom: 60px;
        padding: 40px 0;
    }
    
    .benefit-number {
        font-size: 60px;
    }
    
    .benefit-title {
        font-size: 22px;
        margin-bottom: 15px;
    }
    
    .benefit-description {
        font-size: 14px;
    }
    
    .benefit-list li {
        font-size: 14px;
    }
    
    .testimonial {
        padding: 20px;
    }
    
    .testimonial-avatar {
        width: 50px;
        height: 50px;
    }
    
    .testimonial-content p {
        font-size: 14px;
    }
    
    .testimonial-author {
        font-size: 13px;
    }
    
    .use-case-item {
        padding: 20px;
    }
    
    .use-case-item i {
        font-size: 28px;
    }
    
    .use-case-item h4 {
        font-size: 15px;
    }
    
    .use-case-item p {
        font-size: 13px;
    }
    
    /* 節税セクション */
    .highlight-benefit {
        padding: 30px 15px;
        border-radius: 20px;
    }
    
    .benefit-header-centered {
        margin-bottom: 40px;
    }
    
    .tax-calculation-box {
        padding: 20px 15px;
    }
    
    .tax-calculation-box h4 {
        font-size: 16px;
        flex-wrap: wrap;
    }
    
    .tax-table {
        font-size: 12px;
    }
    
    .tax-table th,
    .tax-table td {
        padding: 6px;
        font-size: 12px;
    }
    
    .accent-text {
        font-size: 16px;
    }
    
    .large-number {
        font-size: 24px;
    }
    
    .real-cost-box {
        padding: 20px 15px;
    }
    
    .real-cost-box h4 {
        font-size: 18px;
    }
    
    .cost-item {
        padding: 15px 20px;
    }
    
    .cost-label {
        font-size: 12px;
    }
    
    .cost-value {
        font-size: 24px;
    }
    
    .additional-value p {
        font-size: 13px;
    }
    
    .depreciation-comparison {
        padding: 20px 15px;
    }
    
    .depreciation-comparison h4 {
        font-size: 18px;
        margin-bottom: 20px;
    }
    
    .chart-bars {
        height: 180px;
    }
    
    .chart-bar span {
        font-size: 10px;
    }
    
    .chart-bar strong {
        font-size: 14px;
    }
    
    .chart-note {
        font-size: 13px;
    }
    
    .message-box {
        padding: 25px 15px;
    }
    
    .message-box i {
        font-size: 28px;
    }
    
    .message-text {
        font-size: 18px;
    }
    
    /* ストーリー */
    .story-quote {
        font-size: 16px;
        padding-left: 20px;
    }
    
    .transparency-box {
        padding: 20px 15px;
    }
    
    .transparency-box h3 {
        font-size: 18px;
    }
    
    .flow-percentage {
        font-size: 20px;
    }
    
    .flow-label {
        font-size: 11px;
    }
    
    .transparency-note {
        font-size: 13px;
    }
    
    /* SDGs */
    .sdg-item {
        gap: 12px;
    }
    
    .sdg-icon {
        width: 45px;
        height: 45px;
        font-size: 22px;
    }
    
    .sdg-content h4 {
        font-size: 15px;
    }
    
    .sdg-content p {
        font-size: 13px;
    }
    
    /* インパクトダッシュボード */
    .impact-dashboard {
        padding: 20px 15px;
    }
    
    .impact-dashboard h4 {
        font-size: 18px;
        margin-bottom: 20px;
    }
    
    .impact-stat {
        padding: 15px;
    }
    
    .impact-number {
        font-size: 28px;
    }
    
    .impact-label {
        font-size: 12px;
    }
    
    .impact-note {
        padding: 12px;
    }
    
    .impact-note p {
        font-size: 13px;
        flex-direction: column;
    }
    
    /* 資産 */
    .asset-point {
        padding: 15px;
        gap: 12px;
    }
    
    .asset-point i {
        font-size: 20px;
    }
    
    .asset-point p {
        font-size: 13px;
    }
    
    .case-study-box {
        padding: 20px 15px;
    }
    
    .case-study-box h4 {
        font-size: 16px;
    }
    
    .case-study-box blockquote {
        font-size: 14px;
    }
    
    .case-note {
        font-size: 13px;
    }
    
    /* 計算機 */
    .calculator-form {
        padding: 25px 15px;
    }
    
    .form-group {
        margin-bottom: 25px;
    }
    
    .form-group label {
        font-size: 15px;
    }
    
    .form-group input,
    .form-group select {
        padding: 12px;
        font-size: 15px;
    }
    
    .calculator-result {
        padding: 25px 15px;
        gap: 12px;
    }
    
    .result-label {
        font-size: 13px;
    }
    
    .result-value {
        font-size: 24px;
    }
    
    .result-item.highlight {
        padding: 15px 20px;
    }
    
    /* プラン */
    .plan-card {
        padding: 25px 15px;
    }
    
    .plan-badge {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .plan-title {
        font-size: 22px;
    }
    
    .price-amount {
        font-size: 28px;
    }
    
    .price-unit {
        font-size: 16px;
    }
    
    .plan-description {
        font-size: 15px;
    }
    
    .plan-features li {
        font-size: 14px;
    }
    
    .plan-popular {
        font-size: 13px;
        padding: 10px;
    }
    
    /* 導入事例 */
    .case-card {
        padding: 20px 15px;
    }
    
    .case-header {
        padding-bottom: 15px;
        gap: 12px;
    }
    
    .case-avatar {
        width: 50px;
        height: 50px;
    }
    
    .case-name {
        font-size: 16px;
    }
    
    .case-title {
        font-size: 13px;
    }
    
    .case-subtitle {
        font-size: 15px;
    }
    
    .case-quote {
        font-size: 13px;
    }
    
    .case-result-item {
        font-size: 12px;
        padding: 8px 12px;
    }
    
    /* FAQ */
    .faq-question {
        padding: 18px 12px;
        gap: 8px;
    }
    
    .faq-question i:first-child {
        font-size: 18px;
    }
    
    .faq-question h3 {
        font-size: 15px;
        line-height: 1.5;
    }
    
    .faq-answer p {
        padding: 0 12px 12px;
        font-size: 13px;
    }
    
    .faq-answer ul {
        padding: 0 12px 15px 30px;
    }
    
    .faq-answer li {
        font-size: 13px;
    }
    
    /* CTA */
    .cta-title {
        font-size: 24px;
        line-height: 1.4;
    }
    
    .cta-subtitle {
        font-size: 15px;
        margin-bottom: 30px;
    }
    
    .cta-option {
        padding: 25px 15px;
    }
    
    .cta-option-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 15px;
    }
    
    .cta-option-icon i {
        font-size: 32px;
    }
    
    .cta-option h3 {
        font-size: 18px;
        margin-bottom: 8px;
    }
    
    .cta-option p {
        font-size: 15px;
    }
    
    .cta-option-detail {
        font-size: 13px;
        margin-bottom: 20px;
    }
    
    .trust-badges {
        padding: 15px;
    }
    
    .trust-badge {
        font-size: 13px;
    }
    
    /* フォーム */
    .contact-form-wrapper {
        padding: 25px 15px;
    }
    
    .form-header {
        margin-bottom: 25px;
        padding-bottom: 15px;
    }
    
    .form-header h3 {
        font-size: 18px;
    }
    
    .contact-form input,
    .contact-form select,
    .contact-form textarea {
        padding: 12px;
        font-size: 15px;
    }
    
    .btn-large {
        padding: 16px 30px;
        font-size: 16px;
    }
    
    /* フッター */
    .footer {
        padding: 40px 15px 25px;
    }
    
    .footer-logo {
        font-size: 20px;
    }
    
    .footer-description {
        font-size: 13px;
    }
    
    .footer-section h4 {
        font-size: 16px;
    }
    
    .footer-links a {
        font-size: 13px;
    }
    
    .footer-contact li {
        font-size: 13px;
    }
    
    .footer-bottom {
        font-size: 13px;
        padding-top: 25px;
    }
    
    /* トップへ戻るボタン */
    .back-to-top {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}

/* 超小型デバイス（320px以下） */
@media (max-width: 360px) {
    .hero-title {
        font-size: 22px;
    }
    
    .section-title {
        font-size: 22px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 13px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .benefit-number {
        font-size: 50px;
    }
    
    .benefit-title {
        font-size: 20px;
    }
    
    .plan-title {
        font-size: 20px;
    }
    
    .price-amount {
        font-size: 24px;
    }
}

/* 横向きモバイル */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding: 100px 20px 40px;
    }
    
    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stat-item {
        min-width: 150px;
    }
}

/* プリント用スタイル */
@media print {
    .header,
    .mobile-menu-btn,
    .mobile-menu,
    .back-to-top,
    .cta-section,
    .footer-social {
        display: none !important;
    }
    
    * {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
    }
    
    a {
        text-decoration: underline !important;
    }
    
    .section-title {
        page-break-after: avoid;
    }
    
    .benefit-item,
    .plan-card,
    .case-card {
        page-break-inside: avoid;
    }
}