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

:root {
    /* カラー定義 */
    --color-primary: #FF9800;
    --color-primary-dark: #F57C00;
    --color-primary-light: #FFB74D;
    --color-secondary: #1976D2;
    --color-secondary-light: #E3F2FD;
    --color-secondary-lighter: #BBDEFB;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-lighter: #999999;
    --color-bg: #FFFFFF;
    --color-bg-gray: #F5F5F5;
    --color-border: #E0E0E0;
    --color-success: #4CAF50;
    --color-error: #F44336;
    
    /* フォント */
    --font-base: 'Noto Sans JP', sans-serif;
    
    /* スペーシング */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
    --spacing-xxl: 80px;
    
    /* ブレークポイント */
    --bp-mobile: 768px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-base);
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    opacity: 0.8;
}

/* ========================================
   レイアウト
======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.sp-only {
    display: none;
}

@media (max-width: 768px) {
    .sp-only {
        display: inline;
    }
    .pc-only {
        display: none;
    }
}

/* ========================================
   共通コンポーネント
======================================== */

/* セクションタイトル */
.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
    color: var(--color-text);
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 768px) {
    .section-title {
        font-size: 1.75rem;
    }
    .section-subtitle {
        font-size: 1rem;
    }
}

/* ボタン */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(255, 152, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 152, 0, 0.4);
    opacity: 1;
}

.btn-large {
    padding: 20px 40px;
    font-size: 1.125rem;
}

.btn-small {
    padding: 10px 24px;
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .btn-large {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 1rem;
    }
}

/* ========================================
   ヘッダー
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--color-text);
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

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

.nav-link:hover {
    color: var(--color-primary);
    opacity: 1;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-text);
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: white;
        padding: var(--spacing-md);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
    }
    
    .nav.active {
        transform: translateY(0);
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
}

/* ========================================
   ファーストビュー
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 var(--spacing-xxl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--color-secondary-light) 0%, white 50%, var(--color-secondary-lighter) 100%);
    z-index: -1;
}

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

.hero-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: white;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.hero-cta {
    margin-bottom: var(--spacing-lg);
}

.hero-cta-note {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text);
}

.hero-feature i {
    color: var(--color-success);
    font-size: 1.25rem;
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 100px 0 var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-features {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* ========================================
   問題提起
======================================== */
.problem {
    padding: var(--spacing-xxl) 0;
    background: white;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.problem-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-gray);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.problem-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.problem-item i {
    color: var(--color-error);
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 4px;
}

.problem-item p {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text);
}

.problem-conclusion {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-secondary-light);
    border-radius: 12px;
}

.problem-conclusion h3 {
    font-size: 1.75rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.problem-conclusion p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
}

@media (max-width: 768px) {
    .problem {
        padding: var(--spacing-xl) 0;
    }
    
    .problem-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .problem-conclusion h3 {
        font-size: 1.5rem;
    }
    
    .problem-conclusion p {
        font-size: 1rem;
    }
}

/* ========================================
   監修
======================================== */
.supervision {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #FFF8E1 0%, white 100%);
}

.supervision-content {
    max-width: 1000px;
    margin: 0 auto;
}

.supervision-main {
    margin-bottom: var(--spacing-lg);
}

.supervision-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.supervisor-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    align-items: center;
}

.supervisor-name-block {
    text-align: left;
}

.supervisor-label {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-primary-light);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 20px;
    margin-bottom: var(--spacing-xs);
}

.supervisor-name {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.supervisor-title {
    font-size: 1rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.supervisor-achievements {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.achievement-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--color-bg-gray);
    border-radius: 8px;
}

.achievement-number {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.achievement-icon {
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.achievement-label {
    font-size: 0.75rem;
    color: var(--color-text-light);
    font-weight: 700;
}

.supervision-scope {
    padding: var(--spacing-lg);
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: var(--spacing-md);
}

.supervision-scope-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.supervision-scope-title i {
    color: var(--color-success);
}

.supervision-scope-list {
    list-style: none;
    display: grid;
    gap: var(--spacing-md);
}

.supervision-scope-list li {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.supervision-scope-list li > i {
    color: var(--color-primary);
    margin-top: 4px;
    flex-shrink: 0;
}

.supervision-scope-list strong {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}

.supervision-scope-list p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.supervision-note {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    padding: var(--spacing-md);
    background: #FFF3E0;
    border-radius: 8px;
    border-left: 4px solid var(--color-primary);
}

.supervision-note i {
    color: var(--color-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.supervision-note p {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text);
}

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

@media (max-width: 768px) {
    .supervision {
        padding: var(--spacing-xl) 0;
    }
    
    .supervision-description {
        font-size: 1rem;
    }
    
    .supervisor-info {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .supervisor-name-block {
        text-align: center;
    }
    
    .supervisor-name {
        font-size: 1.5rem;
    }
    
    .supervisor-achievements {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .achievement-number {
        font-size: 1.5rem;
    }
    
    .supervision-scope-title {
        font-size: 1.25rem;
    }
}

/* ========================================
   解決策の全体像
======================================== */
.solution {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-gray);
}

.solution-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.solution-step {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    padding: var(--spacing-lg);
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
}

.solution-step:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.step-number {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-primary-light);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 20px;
    margin-bottom: var(--spacing-sm);
}

.step-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.step-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.step-description {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text-light);
}

.solution-arrow {
    font-size: 2rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.solution-seo {
    padding: var(--spacing-lg);
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.solution-seo-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.solution-seo-title i {
    color: var(--color-success);
}

.solution-seo-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
}

.solution-seo-description strong {
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .solution {
        padding: var(--spacing-xl) 0;
    }
    
    .solution-steps {
        flex-direction: column;
    }
    
    .solution-arrow {
        transform: rotate(90deg);
    }
    
    .solution-step {
        max-width: 100%;
    }
    
    .solution-seo-title {
        font-size: 1.25rem;
    }
    
    .solution-seo-description {
        font-size: 1rem;
    }
}

/* ========================================
   他社との違い
======================================== */
.comparison {
    padding: var(--spacing-xxl) 0;
    background: white;
}

.comparison-table-wrapper {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.comparison-header {
    background: var(--color-secondary-light);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--color-text);
}

.comparison-us {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: white !important;
}

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

.comparison-other {
    color: var(--color-text-light);
}

.comparison-other i {
    color: var(--color-error);
    margin-right: var(--spacing-xs);
}

.comparison-us i {
    color: white;
    margin-right: var(--spacing-xs);
}

@media (max-width: 768px) {
    .comparison {
        padding: var(--spacing-xl) 0;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-sm);
        font-size: 0.875rem;
    }
    
    .comparison-header {
        font-size: 1rem;
    }
}

/* ========================================
   ベネフィット
======================================== */
.benefits {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-gray);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.benefit-item {
    padding: var(--spacing-lg);
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border-radius: 50%;
    font-size: 2rem;
    color: white;
}

.benefit-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.benefit-description {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

@media (max-width: 768px) {
    .benefits {
        padding: var(--spacing-xl) 0;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   提供内容
======================================== */
.service {
    padding: var(--spacing-xxl) 0;
    background: white;
}

.service-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--spacing-lg);
}

.service-plan {
    padding: var(--spacing-lg);
    background: var(--color-bg-gray);
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    position: relative;
}

.plan-recommended {
    background: linear-gradient(135deg, var(--color-secondary-light), white);
    border: 3px solid var(--color-primary);
}

.plan-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-secondary);
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: 20px;
    margin-bottom: var(--spacing-sm);
}

.plan-badge-recommended {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.plan-title {
    font-size: 1.75rem;
    font-weight: 900;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.plan-subtitle {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.plan-pricing {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.plan-option {
    padding: var(--spacing-md);
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.plan-price {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.plan-price-label {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary);
}

.plan-price-amount {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-text);
}

.plan-price-monthly {
    font-size: 1rem;
    color: var(--color-text-light);
}

.plan-price-total {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-secondary);
    padding-top: var(--spacing-xs);
    border-top: 2px solid var(--color-border);
}

.plan-features-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.plan-features-list {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.plan-features-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    line-height: 1.6;
}

.plan-features-list i {
    color: var(--color-success);
    margin-top: 4px;
    flex-shrink: 0;
}

.plan-customer-task {
    padding: var(--spacing-md);
    background: var(--color-secondary-light);
    border-radius: 8px;
}

.plan-customer-task h5 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.plan-customer-task p {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text);
}

@media (max-width: 768px) {
    .service {
        padding: var(--spacing-xl) 0;
    }
    
    .service-plans {
        grid-template-columns: 1fr;
    }
    
    .plan-pricing {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   SNS新規アカウント追加オプション
======================================== */
.sns-option {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-gray);
}

.sns-option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.sns-option-item {
    padding: var(--spacing-lg);
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    border: 3px solid transparent;
}

.sns-option-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.sns-option-recommended {
    background: linear-gradient(135deg, var(--color-secondary-light), white);
    border: 3px solid var(--color-primary);
}

.sns-option-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-secondary);
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: 20px;
    margin-bottom: var(--spacing-sm);
}

.sns-option-badge-recommended {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.sns-option-title {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.sns-option-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    margin-bottom: var(--spacing-sm);
}

.price-symbol {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.price-amount {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
}

.price-unit {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-light);
}

.sns-option-description {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.sns-option-details {
    padding: var(--spacing-lg);
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: var(--spacing-lg);
}

.sns-option-details-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 1.75rem;
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.sns-option-details-title i {
    color: var(--color-primary);
}

.sns-option-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.sns-option-detail-item {
    padding: var(--spacing-md);
    background: var(--color-bg-gray);
    border-radius: 12px;
}

.sns-option-detail-item > i {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.sns-option-detail-item h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.sns-option-detail-item ul {
    list-style: none;
}

.sns-option-detail-item li {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
    padding-left: 1.2em;
    position: relative;
}

.sns-option-detail-item li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

.sns-option-note {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #FFF3E0, #FFE0B2);
    border-radius: 12px;
    border-left: 5px solid var(--color-primary);
}

.sns-option-note > i {
    font-size: 2rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.sns-option-note-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.sns-option-note-content ul {
    list-style: none;
}

.sns-option-note-content li {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    padding-left: 1.2em;
    position: relative;
}

.sns-option-note-content li::before {
    content: "●";
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

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

@media (max-width: 768px) {
    .sns-option {
        padding: var(--spacing-xl) 0;
    }
    
    .sns-option-grid {
        grid-template-columns: 1fr;
    }
    
    .sns-option-details-grid {
        grid-template-columns: 1fr;
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
    
    .sns-option-note {
        flex-direction: column;
    }
}

/* ========================================
   採用コストとの比較
======================================== */
.cost-comparison {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-gray);
}

.cost-comparison-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.cost-item {
    padding: var(--spacing-lg);
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.cost-item-service {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: white;
}

.cost-title {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
}

.cost-item-service .cost-title {
    color: white;
}

.cost-amount {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.cost-item-service .cost-amount {
    color: white;
}

.cost-list {
    list-style: none;
    text-align: left;
}

.cost-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.cost-item-service .cost-list li {
    color: white;
}

.cost-list i {
    flex-shrink: 0;
}

.cost-comparison-vs {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-primary);
    padding: var(--spacing-md);
    background: white;
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.cost-conclusion {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.cost-conclusion-icon {
    font-size: 3rem;
    color: var(--color-primary);
}

.cost-conclusion-content h3 {
    font-size: 1.75rem;
    font-weight: 900;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.cost-conclusion-content p {
    font-size: 1.125rem;
    color: var(--color-text-light);
}

@media (max-width: 768px) {
    .cost-comparison {
        padding: var(--spacing-xl) 0;
    }
    
    .cost-comparison-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .cost-comparison-vs {
        transform: rotate(90deg);
    }
    
    .cost-amount {
        font-size: 2rem;
    }
    
    .cost-conclusion {
        flex-direction: column;
        text-align: center;
    }
    
    .cost-conclusion-content h3 {
        font-size: 1.5rem;
    }
    
    .cost-conclusion-content p {
        font-size: 1rem;
    }
}

/* ========================================
   導入の流れ
======================================== */
.flow {
    padding: var(--spacing-xxl) 0;
    background: white;
}

.flow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.flow-step {
    padding: var(--spacing-lg);
    background: var(--color-bg-gray);
    border-radius: 12px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.flow-step:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.flow-step-number {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 20px;
    margin-bottom: var(--spacing-sm);
}

.flow-step-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.flow-step-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.flow-step-description {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text-light);
}

@media (max-width: 768px) {
    .flow {
        padding: var(--spacing-xl) 0;
    }
    
    .flow-steps {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   よくある質問
======================================== */
.faq {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-gray);
}

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

.faq-item {
    margin-bottom: var(--spacing-sm);
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.faq-question i {
    flex-shrink: 0;
    transition: transform 0.3s ease;
    color: var(--color-primary);
}

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

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

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

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    line-height: 1.8;
    color: var(--color-text-light);
}

@media (max-width: 768px) {
    .faq {
        padding: var(--spacing-xl) 0;
    }
    
    .faq-question {
        font-size: 0.875rem;
    }
}

/* ========================================
   CTA
======================================== */
.cta {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
}

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

.cta-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    color: white;
    line-height: 1.4;
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: white;
    line-height: 1.8;
}

.cta-benefits {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-benefits li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 700;
    color: white;
}

.cta-benefits i {
    color: var(--color-primary-light);
    font-size: 1.25rem;
}

.cta-note {
    font-size: 1rem;
    color: white;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.cta-methods {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.cta-method {
    text-align: center;
}

.cta-method-title {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.cta-method-title i {
    color: var(--color-primary);
}

.cta-line-qr {
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.cta-line-qr img {
    width: 200px;
    height: 200px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.cta-line-text {
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-weight: 700;
}

.cta-method-description {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.cta-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.cta-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1px;
    height: 100px;
    background: var(--color-border);
}

.cta-divider span {
    position: relative;
    z-index: 1;
    background: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-weight: 700;
    border-radius: 20px;
}

.cta-contact-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: white;
    opacity: 0.9;
}

.cta-contact-note i {
    font-size: 1rem;
}

.btn-cta {
    font-size: 1.125rem;
    padding: 20px 40px;
}

@media (max-width: 768px) {
    .cta {
        padding: var(--spacing-xl) 0;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
    
    .cta-description {
        font-size: 1rem;
    }
    
    .cta-benefits {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .cta-methods {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .cta-divider {
        transform: rotate(90deg);
    }
    
    .cta-divider::before {
        width: 100px;
        height: 1px;
    }
    
    .cta-line-qr img {
        width: 180px;
        height: 180px;
    }
    
    .btn-cta {
        font-size: 1rem;
        padding: var(--spacing-md) var(--spacing-lg);
        width: 100%;
    }
}

/* ========================================
   フッター
======================================== */
.footer {
    padding: var(--spacing-xl) 0 var(--spacing-md);
    background: var(--color-text);
    color: white;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-title {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    font-size: 0.875rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.footer-provider {
    font-size: 0.875rem;
    opacity: 0.8;
}

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

.footer-contact {
    margin-top: var(--spacing-md);
}

.footer-contact h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.footer-line-btn,
.footer-web-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-right: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
    transition: all 0.3s ease;
}

.footer-line-btn:hover,
.footer-web-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
}

.footer-line-btn i,
.footer-web-btn i {
    font-size: 1.125rem;
}

.footer-disclaimer h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

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

.footer-disclaimer li {
    font-size: 0.75rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-xs);
    opacity: 0.8;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    font-size: 0.75rem;
    opacity: 0.6;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}