/* ===== リセット & ベース ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #1e5a9f;
    --color-orange: #ff6b35;
    --color-text: #333;
    --color-text-light: #666;
    --color-gray: #f5f5f5;
    --color-border: #e0e0e0;
    --font-base: 'Noto Sans JP', sans-serif;
    --container-width: 1100px;
    --container-narrow: 800px;
    --spacing-section: 100px;
    --radius: 12px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-base);
    color: var(--color-text);
    line-height: 1.7;
    font-size: 16px;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 30px;
}

.container--narrow {
    max-width: var(--container-narrow);
}

.container-full {
    width: 100%;
    padding: 0;
}

/* ===== ヘッダー ===== */
.header {
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
    background: white;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.header__logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header__logo-img {
    height: 40px;
    width: auto;
}

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

/* ===== ボタン ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 16px;
    font-family: var(--font-base);
}

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

.btn-primary:hover {
    background: #164a85;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 90, 159, 0.3);
}

.btn-outline {
    background: white;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: white;
}

.btn-lg {
    padding: 18px 48px;
    font-size: 18px;
}

.btn-hero {
    padding: 22px 60px;
    font-size: 20px;
    font-weight: 700;
}

.btn-sm {
    padding: 10px 24px;
    font-size: 14px;
}

/* ===== セクション ===== */
.section {
    padding: var(--spacing-section) 0;
}

.section--gray {
    background: var(--color-gray);
}

.section__title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.4;
}

.section__lead {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: 60px;
}

/* ===== ヒーロー（MV）===== */
.hero-mv {
    padding: 30px 0 80px;  /* 60px → 30px にさらに縮小 */
    background: linear-gradient(135deg, #f8fbff 0%, #ffffff 50%, #f0f7ff 100%);
    overflow: hidden;
}

.hero-mv__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

/* 左側：コンテンツ */
.hero-mv__content {
    padding-right: 20px;
}

.hero-mv__badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2c6bb3 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(30, 90, 159, 0.2);
}

.hero-mv__title {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.5;
    margin-bottom: 28px;
    color: var(--color-text);
}

.hero-mv__title-highlight {
    color: var(--color-primary);
    position: relative;
    display: inline-block;
}

.hero-mv__title-highlight::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 4px;
    width: 100%;
    height: 12px;
    background: rgba(30, 90, 159, 0.15);
    z-index: -1;
}

.hero-mv__lead {
    font-size: 17px;
    line-height: 1.9;
    color: var(--color-text-light);
    margin-bottom: 36px;
}

.hero-mv__lead strong {
    color: var(--color-primary);
    font-size: 22px;
    font-weight: 700;
    display: block;
    margin-top: 4px;
}

.hero-mv__features {
    display: flex;
    gap: 24px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-mv__feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
}

.hero-mv__feature i {
    color: var(--color-primary);
    font-size: 20px;
}

.text-free {
    color: var(--color-orange);
    font-weight: 700;
}

.hero-mv__cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-hero-lg {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px 48px;
    font-size: 20px;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: 0 6px 20px rgba(30, 90, 159, 0.3);
    transition: all 0.3s ease;
}

.btn-hero-lg:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(30, 90, 159, 0.4);
}

.btn-hero-lg .btn-arrow {
    font-size: 24px;
    transition: transform 0.3s ease;
}

.btn-hero-lg:hover .btn-arrow {
    transform: translateX(4px);
}

.hero-mv__note {
    font-size: 14px;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-mv__note i {
    color: var(--color-primary);
}

/* 右側：画面イメージスライダー */
.hero-mv__image {
    position: relative;
    width: 100%;
    max-width: 460px;  /* 384px → 460px (120%) */
}

.hero-mv__slider {
    position: relative;
    width: 100%;
}

.slider-container {
    position: relative;
    overflow: hidden;
    background: transparent;  /* #f8f9fa → transparent */
    /* border-radius と box-shadow を削除 */
}

.slider-track {
    display: flex;
    transition: transform 0.5s ease;
}

.slide {
    min-width: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    padding: 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 205px;  /* 256px → 205px (80%) */
}

.slide.active {
    opacity: 1;
}

.slide-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
    text-align: center;
}

.slide-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 8px;  /* 角丸は残す */
    /* box-shadow を削除 */
    object-fit: contain;  /* 画像のアスペクト比を保持 */
    display: block;
    margin: 0 auto;  /* 水平方向の中央揃え */
}

/* スライダーコントロール */
.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;  /* 16px → 12px (75%) */
    margin-top: 12px;  /* 16px → 12px (75%) */
}

.slider-btn {
    width: 36px;  /* 40px → 36px (90%) */
    height: 36px;  /* 40px → 36px (90%) */
    border-radius: 50%;
    background: white;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 12px;  /* 14px → 12px (86%) */
}

.slider-btn:hover {
    background: var(--color-primary);
    color: white;
    transform: scale(1.1);
}

.slider-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.slider-btn:disabled:hover {
    background: white;
    color: var(--color-primary);
    transform: scale(1);
}

.slider-dots {
    display: flex;
    gap: 8px;  /* 10px → 8px (80%) */
}

.dot {
    width: 8px;  /* 10px → 8px (80%) */
    height: 8px;  /* 10px → 8px (80%) */
    border-radius: 50%;
    background: #e0e0e0;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.dot:hover {
    background: #cbd5e0;
    transform: scale(1.2);
}

.dot.active {
    background: var(--color-primary);
    width: 24px;  /* 28px → 24px (86%) */
    border-radius: 4px;  /* 5px → 4px (80%) */
}

/* 旧スタイル削除 */

.hero-mv__image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* ===== 問題提起セクション（改善版） ===== */
.problem-section {
    background: linear-gradient(180deg, #f8f9fa 0%, white 100%);
    padding: 80px 0;
}

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

.problem-header__lead {
    font-size: 18px;
    color: var(--color-text-light);
    margin-top: 16px;
    font-weight: 500;
}

/* コストと利用量の可視化 */
.problem-visual {
    max-width: 900px;
    margin: 0 auto 60px;
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.problem-visual__main {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
}

.cost-indicator {
    flex: 1;
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
    border-radius: 12px;
    border: 2px solid #ff9800;
}

.cost-indicator__label {
    font-size: 14px;
    color: #e65100;
    font-weight: 600;
    margin-bottom: 8px;
}

.cost-indicator__amount {
    font-size: 42px;
    font-weight: 800;
    color: #e65100;
    line-height: 1;
    margin-bottom: 8px;
}

.cost-indicator__note {
    font-size: 13px;
    color: #bf360c;
}

.cost-indicator__vs {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-light);
}

.usage-indicator {
    flex: 1;
    text-align: center;
    padding: 30px;
    background: var(--color-gray);
    border-radius: 12px;
    border: 2px solid var(--color-border);
}

.usage-indicator__label {
    font-size: 14px;
    color: var(--color-text-light);
    font-weight: 600;
    margin-bottom: 8px;
}

.usage-indicator__amount {
    font-size: 42px;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1;
    margin-bottom: 8px;
}

.usage-indicator__note {
    font-size: 13px;
    color: var(--color-text-light);
}

.problem-visual__result {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px;
    background: #ffebee;
    border-radius: 8px;
    border-left: 4px solid #d32f2f;
    font-size: 16px;
    font-weight: 600;
    color: #c62828;
}

.problem-visual__result i {
    font-size: 20px;
}

/* 主要な課題（新デザイン） */
.problem-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.problem-card {
    background: white;
    border-radius: 12px;
    padding: 32px 28px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.problem-card__label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: #757575;
    background: #f5f5f5;
    padding: 6px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.problem-card__title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
    line-height: 1.4;
}

.problem-card__desc {
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.problem-card__impact {
    display: inline-block;
    padding: 8px 18px;
    background: #fff3e0;
    border-radius: 20px;
    font-size: 13px;
    color: #e65100;
    font-weight: 600;
}

/* エンタープライズ機能 */
.enterprise-features {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    margin-bottom: 40px;
}

.enterprise-features__title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
    text-align: center;
}

.enterprise-features__desc {
    font-size: 15px;
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: 32px;
}

.enterprise-features__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.enterprise-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 20px;
    background: var(--color-gray);
    border-radius: 8px;
    text-align: center;
}

.enterprise-feature i {
    font-size: 32px;
    color: var(--color-text-light);
}

.enterprise-feature span {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.4;
}

/* 本当に必要なこと */
.real-needs {
    background: white;
    padding: 48px 40px;
    border-radius: 12px;
    border: 2px solid #e0e0e0;
    margin-bottom: 40px;
}

.real-needs__header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.real-needs__header i {
    font-size: 28px;
    color: var(--color-primary);
}

.real-needs__header h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
}

.real-needs__steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 32px;
}

.real-need-step {
    flex: 1;
    background: #f8f9fa;
    padding: 28px 24px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}

.real-need-step:hover {
    background: white;
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(30, 90, 159, 0.1);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    margin: 0 auto 16px;
}

.step-text {
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.7;
    font-weight: 500;
}

.step-arrow {
    color: var(--color-primary);
    font-size: 20px;
    flex-shrink: 0;
}

.real-needs__conclusion {
    text-align: center;
    font-size: 16px;
    color: var(--color-text);
    font-weight: 600;
    line-height: 1.8;
}

/* CTA: 解決策の提示（全幅・青背景） */
.section--cta-solution {
    padding: 0;
}

.cta-solution {
    background: linear-gradient(135deg, var(--color-primary) 0%, #164a85 100%);
    padding: 80px 40px;
    text-align: center;
    color: white;
}

.cta-solution__content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-solution__title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.4;
    letter-spacing: 0.5px;
}

.cta-solution__lead {
    font-size: 18px;
    line-height: 1.9;
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta-solution__actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.btn-white {
    background: white;
    color: var(--color-primary);
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}

.btn-white:hover {
    background: #f5f5f5;
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(0,0,0,0.3);
}

.cta-solution__note {
    font-size: 14px;
    color: white;
    opacity: 0.9;
    margin: 0;
}

/* ===== チェックリスト（旧スタイル - 削除予定） ===== */
.checklist {
    margin-bottom: 40px;
}

.checklist__item {
    background: white;
    padding: 20px 24px;
    border-radius: var(--radius);
    margin-bottom: 12px;
    border-left: 4px solid var(--color-primary);
    font-size: 15px;
}

.checklist__item::before {
    content: '✓ ';
    color: var(--color-primary);
    font-weight: 700;
    margin-right: 8px;
}

.message-box {
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    text-align: center;
}

.message-box__text {
    font-size: 16px;
    margin-bottom: 24px;
    line-height: 1.8;
}

.message-box__emphasis {
    font-size: 17px;
    line-height: 1.9;
}

.message-box__emphasis strong {
    color: #d32f2f;
    font-weight: 700;
}

/* ===== Agitation Box ===== */
.agitation-box {
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    margin-bottom: 40px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.agitation-box__title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-text);
}

.agitation-box p {
    margin-bottom: 16px;
    line-height: 1.8;
}

.agitation-box__list {
    list-style: none;
    padding: 20px;
    background: var(--color-gray);
    border-radius: 8px;
    margin: 20px 0;
}

.agitation-box__list li {
    padding: 8px 0;
    font-weight: 600;
    color: var(--color-text-light);
}

.agitation-box__emphasis {
    font-size: 18px;
    font-weight: 600;
    margin: 20px 0;
}

.agitation-box__question {
    font-size: 20px;
    line-height: 1.8;
    margin: 24px 0;
}

.agitation-box__question strong {
    color: var(--color-primary);
    font-size: 22px;
}

.agitation-box__need {
    background: #fff3e0;
    padding: 24px;
    border-radius: 8px;
    border-left: 4px solid #ff9800;
    margin: 24px 0;
}

.need-title {
    font-weight: 700;
    margin-bottom: 12px;
    color: #e65100;
}

.agitation-box__need ol {
    margin: 12px 0 12px 20px;
    line-height: 1.8;
}

.need-conclusion {
    margin-top: 16px;
    font-size: 20px;
}

.agitation-box__waste {
    font-size: 20px;
    line-height: 1.8;
    text-align: center;
    margin-top: 32px;
}

.waste-text {
    color: #d32f2f;
    font-size: 24px;
}

/* ===== Solution Box ===== */
.solution-box {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    padding: 40px;
    border-radius: var(--radius);
    text-align: center;
    border: 2px solid var(--color-primary);
}

.solution-box p {
    margin-bottom: 16px;
    font-size: 17px;
}

.solution-box__thinking {
    font-size: 20px;
    line-height: 1.9;
    margin: 24px 0;
    font-weight: 600;
    color: var(--color-text);
}

.solution-box__answer {
    font-size: 24px;
    font-weight: 700;
    margin-top: 24px;
}

.solution-box__answer strong {
    color: var(--color-primary);
    font-size: 28px;
}

/* ===== Pricing Structure ===== */
.cost-result {
    text-align: center;
    margin-top: 50px;
    padding: 32px;
    background: white;
    border-radius: 12px;
    border: 2px solid #e0e0e0;
}

.cost-result i {
    font-size: 48px;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.cost-result__text {
    font-size: 18px;
    line-height: 1.8;
    color: var(--color-text);
}

.cost-result__text strong {
    color: var(--color-primary);
    font-size: 24px;
    font-weight: 800;
}

/* ===== Comparison Table ===== */
.comparison-table {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    margin: 24px 0;
}

.comparison-table__col {
    padding: 24px;
}

.comparison-table__col--ours {
    background: #e3f2fd;
    border-left: 3px solid var(--color-primary);
}

.comparison-table__header {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-border);
}

.comparison-table__row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 15px;
}

.comparison-table__total {
    margin-top: 20px;
    padding: 16px;
    background: #f5f5f5;
    border-radius: 6px;
    text-align: center;
    font-size: 15px;
    line-height: 1.6;
}

.comparison-table__total strong {
    color: var(--color-text);
    font-size: 20px;
}

.comparison-table__total--ours {
    background: white;
    border: 2px solid var(--color-primary);
}

.comparison-table__total--ours strong {
    color: var(--color-primary);
    font-size: 24px;
}

.highlight-value {
    color: var(--color-primary);
    font-weight: 700;
}

/* ===== Legal Grid ===== */
.legal-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 24px 0;
}

.legal-item {
    background: white;
    padding: 16px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--color-border);
}

.legal-item i {
    color: var(--color-primary);
    font-size: 24px;
}

.legal-content {
    flex: 1;
}

.legal-title {
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--color-text);
}

.legal-desc {
    font-size: 13px;
    color: var(--color-text-light);
}

.feature__question {
    font-size: 18px;
    color: #d32f2f;
    margin-bottom: 12px;
}

.feature__answer {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.feature__emphasis {
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    margin: 24px 0;
    color: var(--color-primary);
}

/* ===== Use Case Additions ===== */
.use-case__label {
    display: inline-block;
    background: #e3f2fd;
    color: var(--color-primary);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
}

.use-case__benefit {
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text);
    margin-top: 12px;
}

.use-case__benefit strong {
    color: var(--color-primary);
}

/* ===== Pricing Card Additions ===== */
.pricing-card__desc {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.pricing-card__features {
    list-style: none;
    text-align: left;
    margin-bottom: 24px;
}

.pricing-card__features li {
    padding: 8px 0;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pricing-card__features i {
    font-size: 14px;
}

.pricing-card__features .fa-check {
    color: var(--color-primary);
}

.pricing-card__features .fa-times {
    color: #e0e0e0;
}

.btn-block {
    display: block;
    width: 100%;
}

/* ===== Hero Message ===== */
.hero__message {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 40px;
    color: var(--color-text-light);
}

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

/* ===== Header Nav ===== */
.header__nav {
    display: flex;
    gap: 32px;
}

.header__nav a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* ===== FAQ Additions ===== */
.faq-conclusion {
    font-weight: 600;
    margin-top: 16px;
    color: var(--color-text);
}

.faq-list {
    margin: 16px 0 16px 20px;
}

.faq-support {
    list-style: none;
    margin: 16px 0;
}

.faq-support li {
    padding: 8px 0;
}

.faq-thinking {
    list-style: none;
    margin: 16px 0;
}

.faq-thinking li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.faq-thinking li::before {
    content: '・';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* ===== Section Subtitle ===== */

/* ===== タブナビゲーション ===== */
.tab-navigation {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 32px;
    background: white;
    border: 2px solid var(--color-border);
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-base);
}

.tab-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tab-content.active {
    display: block;
}

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

/* ===== 詳細比較カード ===== */
.detail-comparison {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.comparison-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: 2px solid var(--color-border);
    position: relative;
}

.comparison-card--ours {
    border-color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(30, 90, 159, 0.15);
}

.comparison-card__badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--color-primary);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.comparison-card__title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-border);
}

.comparison-card__body {
    margin-bottom: 24px;
}

.comparison-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

.comparison-row .label {
    color: var(--color-text-light);
    font-size: 14px;
}

.comparison-row .value {
    font-weight: 700;
    color: var(--color-text);
}

.comparison-row .value.free {
    color: var(--color-primary);
}

.comparison-row .value.total {
    color: var(--color-primary);
    font-size: 18px;
}

.comparison-card__features {
    padding-top: 20px;
    border-top: 2px solid var(--color-border);
}

.comparison-card__features p {
    padding: 8px 0;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.comparison-card__features i {
    color: var(--color-primary);
}

/* ===== ケース別比較 ===== */
.case-comparison {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.case-item {
    background: white;
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.case-item__title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-primary);
}

.case-item__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.case-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--color-gray);
    border-radius: 6px;
}

.case-row .price {
    font-weight: 700;
}

.case-row .price.highlight {
    color: var(--color-primary);
    font-size: 18px;
}

.case-result {
    margin-top: 16px;
    padding: 16px;
    background: #e3f2fd;
    border-radius: 6px;
    text-align: center;
    font-size: 16px;
}

.case-result strong {
    color: var(--color-primary);
    font-size: 20px;
}

/* ===== スライダーナビゲーション ===== */
.slider-navigation {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-border);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.slider-dot:hover {
    background: var(--color-text-light);
}

.slider-dot.active {
    width: 32px;
    border-radius: 6px;
    background: var(--color-primary);
}

/* ===== スライダーコンテナ ===== */
.features-slider {
    position: relative;
    overflow: hidden;
    padding: 0 60px;
}

.features-slider__wrapper {
    position: relative;
    width: 100%;
}

.feature-slide {
    display: none;
    animation: slideIn 0.5s ease;
}

.feature-slide.active {
    display: block;
}

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

/* ===== スライダーアロー ===== */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: white;
    border: 2px solid var(--color-border);
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    z-index: 10;
}

.slider-arrow:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(30, 90, 159, 0.3);
}

.slider-arrow--prev {
    left: 0;
}

.slider-arrow--next {
    right: 0;
}

/* ===== 特徴 ===== */
.features {
    display: grid;
    gap: 60px;
}

.feature {
    position: relative;
}

.feature__number {
    display: inline-block;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    font-size: 24px;
    font-weight: 800;
    line-height: 50px;
    text-align: center;
    margin-bottom: 16px;
}

.feature__title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 28px;
    line-height: 1.5;
}

.feature__body {
    background: var(--color-gray);
    padding: 40px;
    border-radius: var(--radius);
}

.feature__intro {
    font-size: 17px;
    margin-bottom: 24px;
}

.feature__note {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 2px solid white;
    line-height: 1.8;
}

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

/* 比較表 */
.comparison-simple {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.comparison-simple__item {
    background: white;
    padding: 24px;
    border-radius: var(--radius);
}

.comparison-simple__item--ours {
    border: 2px solid var(--color-primary);
}

.comparison-simple__item .label {
    display: block;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-gray);
}

.cost-list {
    font-size: 15px;
    line-height: 2;
}

.cost-list .total {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 2px solid var(--color-gray);
    font-size: 16px;
}

.cost-list strong {
    color: var(--color-primary);
    font-weight: 700;
}

/* ステップ */
.steps {
    display: grid;
    gap: 16px;
    margin-bottom: 24px;
}

.step {
    background: white;
    padding: 20px 24px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 20px;
}

.step__num {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    font-size: 20px;
    font-weight: 700;
    line-height: 40px;
    text-align: center;
    flex-shrink: 0;
}

.step__text {
    font-size: 16px;
    font-weight: 600;
}

/* 使い方パターン */
.usage-pattern {
    background: #f8f9fa;
    padding: 28px 24px;
    border-radius: 12px;
    margin-bottom: 24px;
    border: 2px solid #e3f2fd;
}

.usage-pattern__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.usage-pattern__title i {
    color: var(--color-primary);
    font-size: 20px;
}

.usage-pattern .steps {
    margin-bottom: 16px;
}

.usage-pattern__note {
    font-size: 14px;
    color: var(--color-text-light);
    margin: 0;
    padding-left: 32px;
    line-height: 1.6;
}

/* 使い方パターンカード（2列グリッド） */
.usage-patterns-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.usage-pattern-card {
    background: white;
    border-radius: 16px;
    border: 1px solid #e0e0e0;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.usage-pattern-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(30, 90, 159, 0.12);
    border-color: var(--color-primary);
}

.usage-pattern-card__header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 40px 32px;
    text-align: center;
    border-bottom: 1px solid #e0e0e0;
}

.usage-pattern-card__icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--color-primary) 0%, #0d4a7a 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 20px;
    box-shadow: 0 4px 12px rgba(30, 90, 159, 0.2);
}

.usage-pattern-card__title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.usage-pattern-card__subtitle {
    font-size: 14px;
    color: var(--color-text-light);
    margin: 0;
}

.usage-pattern-card__body {
    padding: 36px 32px;
}

/* 縦ステップ */
.steps-vertical {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.step-vertical {
    display: flex;
    gap: 16px;
    align-items: center;
}

.step-vertical__num {
    width: 44px;
    height: 44px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-vertical__content {
    flex: 1;
}

.step-vertical__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
}

.step-vertical__title .highlight-text {
    color: var(--color-primary);
}

/* 結果ボックス */
.usage-pattern-card__result {
    background: #f8f9fa;
    padding: 24px;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    margin-bottom: 28px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.usage-pattern-card__result-icon {
    flex-shrink: 0;
}

.usage-pattern-card__result-icon i {
    color: var(--color-primary);
    font-size: 24px;
}

.usage-pattern-card__result-text {
    flex: 1;
}

.usage-pattern-card__result-text strong {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    display: block;
    margin-bottom: 6px;
    line-height: 1.5;
}

.usage-pattern-card__result-text p {
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
    color: var(--color-text-light);
}

/* ユースケース */
.usage-pattern-card__use-cases {
    background: #f8f9fa;
    padding: 20px 24px;
    border-radius: 12px;
}

.usage-pattern-card__use-cases h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.usage-pattern-card__use-cases ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.usage-pattern-card__use-cases li {
    font-size: 14px;
    color: var(--color-text);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    line-height: 1.5;
}

.usage-pattern-card__use-cases li:last-child {
    margin-bottom: 0;
}

.usage-pattern-card__use-cases li i {
    color: var(--color-primary);
    font-size: 12px;
    flex-shrink: 0;
}

/* 法的項目 */
.legal-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 24px 0;
}

.legal-item {
    background: white;
    padding: 16px 20px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 12px;
}

.legal-item i {
    color: var(--color-primary);
    font-size: 18px;
}

.legal-item span {
    font-size: 15px;
}

/* ===== 機能一覧グリッド ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 50px;
}

.feature-item {
    background: white;
    padding: 28px 24px;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    border-color: var(--color-primary);
}

.feature-item__icon {
    width: 56px;
    height: 56px;
    background: var(--color-primary);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 20px;
}

.feature-item__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
    line-height: 1.4;
}

.feature-item__desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text-light);
}

/* ===== 利用シーン カテゴリータブ ===== */
.use-case-tabs {
    display: flex; /* PCでも表示 */
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.use-case-tab {
    padding: 10px 20px;
    background: white;
    border: 2px solid var(--color-border);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-base);
}

.use-case-tab:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.use-case-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* ===== 利用シーン（業界別カード） ===== */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);  /* PC: 4カラム表示 */
    gap: 24px;
    margin-bottom: 60px;
}

.use-case-card {
    background: white;
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    border-color: var(--color-primary);
}

.use-case-card__header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-gray);
}

.use-case-card__icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2874c7 100%);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 16px;
}

.use-case-card__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.4;
}

.use-case-card__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.use-case-card__list li {
    padding: 10px 0;
    font-size: 14px;
    color: var(--color-text-light);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.6;
}

.use-case-card__list i {
    color: var(--color-primary);
    font-size: 14px;
    margin-top: 3px;
    flex-shrink: 0;
}



/* ===== 利用シーン（旧スタイル - 削除予定）===== */
.use-cases {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.use-case {
    background: white;
    padding: 32px 24px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
}

.use-case:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.use-case__icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.use-case__title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.use-case__desc {
    font-size: 14px;
    color: var(--color-text-light);
}

/* ===== Use Case Additions ===== */
.use-case__label {
    display: inline-block;
    background: #e3f2fd;
    color: var(--color-primary);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
}

.use-case__benefit {
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text);
    margin-top: 12px;
}

.use-case__benefit strong {
    color: var(--color-primary);
}

/* ===== 料金プラン ===== */
.pricing {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    padding: 40px 32px;
    border-radius: var(--radius);
    text-align: center;
    border: 2px solid var(--color-border);
    position: relative;
}

.pricing-card--popular {
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(30, 90, 159, 0.15);
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-card__name {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 16px;
}

.pricing-card__price {
    font-size: 42px;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.pricing-card__price small {
    font-size: 16px;
    font-weight: 400;
}

.pricing-card__features {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-light);
    font-size: 14px;
    line-height: 1.8;
}

.pricing-card__note {
    margin-top: 16px;
    font-size: 13px;
    color: var(--color-primary);
    font-weight: 600;
}

/* ===== FAQ ===== */
.faq {
    display: grid;
    gap: 12px;
}

.faq__item {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
}

.faq__question {
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__question::after {
    content: '+';
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
}

.faq__item[open] .faq__question::after {
    content: '−';
}

.faq__answer {
    padding: 0 24px 24px;
    color: var(--color-text-light);
    line-height: 1.8;
}

.faq__answer p {
    margin-bottom: 12px;
}

.faq__answer ol {
    margin: 16px 0 16px 20px;
}

.faq__answer li {
    margin-bottom: 8px;
}

/* ===== CTA ===== */
.cta {
    padding: 100px 0;
    background: var(--color-primary);
    color: white;
    text-align: center;
}

.cta__title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta__text {
    font-size: 17px;
    margin-bottom: 36px;
    line-height: 1.9;
}

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

.cta .btn-primary:hover {
    background: #f0f0f0;
}

.cta__note {
    margin-top: 16px;
    font-size: 14px;
    opacity: 0.9;
}

/* ===== フッター ===== */
.footer {
    padding: 60px 0 30px;
    background: white;
    color: var(--color-text);
    text-align: center;
    border-top: 1px solid #e0e0e0;
}

.footer__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 12px;
}

.footer__logo-img {
    height: 50px;
    width: auto;
}

.footer__logo span {
    font-size: 24px;
    font-weight: 700;
}

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

.footer__links {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.footer__links a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer__links a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.footer__copy {
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
    font-size: 14px;
    color: var(--color-text-light);
}

/* ===== 価格比較表 ===== */
.compare-table-wrapper {
    margin: 50px 0;
    overflow-x: auto;
}

.compare-table {
    width: 100%;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.compare-table th {
    background: var(--color-primary);
    color: white;
    padding: 18px;
    text-align: left;
    font-weight: 600;
    font-size: 15px;
}

.compare-table td {
    padding: 20px 18px;
    border-bottom: 1px solid var(--color-border);
}

.compare-table__service {
    font-weight: 600;
}

.compare-table__service small {
    display: block;
    font-size: 13px;
    color: var(--color-text-light);
    font-weight: 400;
    margin-top: 4px;
}

.compare-table__price {
    font-weight: 600;
    font-size: 18px;
}

.compare-table__diff {
    font-weight: 700;
    font-size: 17px;
}

.compare-table__diff--bad {
    color: #e53935;
}

.compare-table__diff--base {
    color: var(--color-primary);
}

.compare-table__row--other {
    background: #fafafa;
}

.compare-table__row--ours {
    background: #e3f2fd;
    border: 2px solid var(--color-primary);
}

.compare-table__row--ours td {
    border-bottom: none;
}

.compare-result {
    margin-top: 40px;
    text-align: center;
}

.compare-result__content {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    background: #e3f2fd;
    padding: 24px 32px;
    border-radius: var(--radius);
    border: 2px solid var(--color-primary);
}

.compare-result__content i {
    font-size: 36px;
    color: var(--color-primary);
}

.compare-result__text {
    text-align: left;
    line-height: 1.6;
}

.compare-result__text strong {
    font-size: 20px;
    color: var(--color-primary);
    display: block;
    margin-bottom: 4px;
}

/* ===== 機能詳細 ===== */
.feature-details {
    display: grid;
    gap: 40px;
    margin-top: 50px;
}

.feature-detail {
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.feature-detail--highlight {
    border: 2px solid var(--color-primary);
    background: linear-gradient(to bottom, #e3f2fd 0%, white 100%);
}

.feature-detail__icon {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
}

.feature-detail__title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text);
}

.feature-detail__desc {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--color-text);
}

.feature-detail__tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    background: #e3f2fd;
    color: var(--color-primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.audit-trail-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 24px 0;
}

.audit-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: white;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.audit-item i {
    font-size: 24px;
    color: var(--color-primary);
    margin-top: 2px;
}

.audit-item strong {
    display: block;
    margin-bottom: 4px;
    color: var(--color-text);
}

.audit-item small {
    color: var(--color-text-light);
    font-size: 13px;
}

.feature-detail__note {
    margin-top: 20px;
    padding: 16px;
    background: #f5f5f5;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.8;
}

.feature-detail__note i {
    color: #4caf50;
    margin-right: 8px;
}

.other-features {
    display: grid;
    gap: 12px;
}

.other-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    line-height: 1.6;
}

.other-feature i {
    color: #4caf50;
    font-size: 16px;
}

/* ===== レスポンシブ ===== */
@media (max-width: 968px) {
    :root {
        --spacing-section: 70px;
    }

    .hero__title {
        font-size: 32px;
    }

    .hero__lead strong {
        font-size: 24px;
    }

    .section__title {
        font-size: 28px;
    }

    .feature__title {
        font-size: 24px;
    }

    .comparison-simple {
        grid-template-columns: 1fr;
    }

    .legal-items {
        grid-template-columns: 1fr;
    }

    .use-cases {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing {
        grid-template-columns: repeat(2, 1fr);
        max-width: 700px;
    }

    .audit-trail-features {
        grid-template-columns: 1fr;
    }

    .feature-details {
        gap: 30px;
    }

    .feature-detail {
        padding: 30px;
    }

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

    .comparison-table {
        grid-template-columns: 1fr;
    }

    .comparison-table__col {
        border-left: none;
        border-top: 3px solid var(--color-primary);
    }

    .detail-comparison {
        grid-template-columns: 1fr;
    }

    .case-comparison {
        grid-template-columns: 1fr;
    }

    .features-slider {
        padding: 0 50px;
    }

    .slider-arrow {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;  /* 3カラム → 1カラムに統一 */
    }

    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }



    .problem-visual__main {
        flex-direction: column;
        gap: 20px;
    }

    .cost-indicator__vs {
        transform: rotate(90deg);
    }

    .problem-cards {
        grid-template-columns: 1fr;
    }

    .enterprise-features__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .real-needs__steps {
        flex-direction: column;
    }

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

    /* タブを表示（タブレット・スマホ） */
    .use-case-tabs {
        display: flex;
    }

    /* MV レスポンシブ（タブレット） */
    .hero-mv__inner {
        gap: 40px;
    }

    .hero-mv__title {
        font-size: 40px;
    }

    .slide {
        padding: 16px;
        min-height: 179px;  /* 224px → 179px (80%) */
    }

    .slide-title {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 0 20px;
    }

    /* MV レスポンシブ（スマホ） */
    .hero-mv {
        padding: 40px 0 40px;  /* 60px → 40px に変更 */
    }

    .hero-mv__inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-mv__content {
        padding-right: 0;
    }

    .hero-mv__badge {
        font-size: 12px;
        padding: 6px 16px;
    }

    .hero-mv__title {
        font-size: 32px;
        line-height: 1.3;
    }

    .hero-mv__lead {
        font-size: 16px;
    }

    .hero-mv__lead strong {
        font-size: 20px;
    }

    .hero-mv__features {
        flex-direction: column;
        gap: 16px;
    }

    .hero-mv__feature {
        font-size: 14px;
    }

    .btn-hero-lg {
        width: 100%;
        padding: 18px 36px;
        font-size: 18px;
    }

    /* 画面イメージスライダーのレスポンシブ */
    .slide {
        padding: 10px 8px;
        min-height: 154px;  /* 192px → 154px (80%) */
    }

    .slide-title {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .slider-controls {
        gap: 12px;  /* 16px → 12px (75%) */
        margin-top: 16px;  /* 20px → 16px (80%) */
    }

    .slider-btn {
        width: 36px;
        height: 36px;
        font-size: 12px;
    }

    .slider-dots {
        gap: 8px;
    }

    .dot {
        width: 10px;
        height: 10px;
    }

    .dot.active {
        width: 24px;
    }

    .hero {
        padding: 50px 0;
    }

    .hero__title {
        font-size: 26px;
    }

    .hero__lead {
        font-size: 16px;
    }

    .hero__lead strong {
        font-size: 20px;
    }

    .price-compare {
        flex-direction: column;
        gap: 12px;
    }

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

    .section__title {
        font-size: 24px;
    }

    .feature__title {
        font-size: 20px;
    }

    .feature__body {
        padding: 24px 20px;
    }

    .use-cases {
        grid-template-columns: 1fr;
    }

    .pricing {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .cta__title {
        font-size: 28px;
    }

    .btn-lg {
        padding: 16px 36px;
        font-size: 16px;
    }

    .compare-table {
        font-size: 14px;
    }

    .compare-table th,
    .compare-table td {
        padding: 14px 12px;
    }

    .compare-table__price {
        font-size: 16px;
    }

    .compare-result__content {
        flex-direction: column;
        padding: 20px;
    }

    .compare-result__text {
        text-align: center;
    }

    .compare-result__text strong {
        font-size: 18px;
    }

    .feature-detail {
        padding: 24px;
    }

    .feature-detail__title {
        font-size: 20px;
    }

    .audit-trail-features {
        grid-template-columns: 1fr;
    }

    .agitation-box {
        padding: 24px;
    }

    .solution-box {
        padding: 24px;
    }

    .header__nav {
        display: none;
    }

    .features-slider {
        padding: 0 40px;
    }

    .slider-arrow {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

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

    .usage-pattern {
        padding: 20px 16px;
    }

    .usage-pattern__title {
        font-size: 16px;
    }

    .usage-pattern__note {
        padding-left: 0;
        font-size: 13px;
    }

    .usage-patterns-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .usage-pattern-card__header {
        padding: 32px 24px;
    }

    .usage-pattern-card__icon {
        width: 64px;
        height: 64px;
        font-size: 28px;
        margin-bottom: 16px;
    }

    .usage-pattern-card__title {
        font-size: 18px;
    }

    .usage-pattern-card__subtitle {
        font-size: 13px;
    }

    .usage-pattern-card__body {
        padding: 28px 24px;
    }

    .step-vertical__num {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .step-vertical__title {
        font-size: 16px;
    }

    .usage-pattern-card__result {
        padding: 20px;
    }

    .usage-pattern-card__result-icon i {
        font-size: 20px;
    }

    .usage-pattern-card__result-text strong {
        font-size: 14px;
    }

    .usage-pattern-card__result-text p {
        font-size: 13px;
    }

    .usage-pattern-card__use-cases {
        padding: 16px 20px;
    }

    .usage-pattern-card__use-cases h4 {
        font-size: 13px;
    }

    .usage-pattern-card__use-cases li {
        font-size: 13px;
        margin-bottom: 8px;
    }



    .btn-hero {
        padding: 18px 48px;
        font-size: 18px;
    }

    .problem-visual {
        padding: 24px;
    }

    .cost-indicator,
    .usage-indicator {
        padding: 20px;
    }

    .cost-indicator__amount,
    .usage-indicator__amount {
        font-size: 32px;
    }

    .problem-point {
        flex-direction: column;
    }

    .enterprise-features {
        padding: 24px;
    }

    .enterprise-features__grid {
        grid-template-columns: 1fr;
    }

    .real-needs {
        padding: 24px;
    }

    .real-needs__header h3 {
        font-size: 18px;
    }

    .cta-solution {
        padding: 60px 30px;
    }

    .cta-solution__title {
        font-size: 26px;
    }

    .cta-solution__lead {
        font-size: 16px;
    }

    .solution-intro__title {
        font-size: 20px;
    }

    .solution-intro__brand {
        font-size: 28px;
    }

    .footer__links {
        flex-direction: column;
        gap: 16px;
    }

    .footer__links a {
        font-size: 13px;
    }

    .header__logo-img {
        height: 32px;
    }

    .header__logo-text {
        font-size: 16px;
    }

    .footer__logo-img {
        height: 40px;
    }

    .footer__logo span {
        font-size: 20px;
    }
}