/* ========================================
   カラーパレット（モノクローム）
   ======================================== */
:root {
    /* ブランドカラー */
    --primary-color: #000000;
    --primary-light: #1a1a1a;
    --accent-color: #000000;
    --accent-hover: #1a1a1a;
    
    /* テキストカラー */
    --text-primary: #000000;
    --text-secondary: #4a4a4a;
    --text-light: #8a8a8a;
    
    /* 背景カラー */
    --bg-white: #ffffff;
    --bg-light: #f5f5f5;
    --bg-dark: #000000;
    
    /* ボーダー・シャドウ */
    --border-color: #d0d0d0;
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    
    /* グラデーション */
    --gradient-primary: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    --gradient-secondary: linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
    --gradient-accent: linear-gradient(135deg, #000000 0%, #2a2a2a 100%);
}

/* ========================================
   リセット & 基本スタイル
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
    line-height: 1.9;
    color: var(--text-primary);
    background: var(--bg-white);
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 0.03em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ========================================
   ヒーローセクション（フルスクリーン）
   ======================================== */
.hero-fullscreen {
    position: relative;
    width: 100vw;
    height: 100vh;
    min-height: 600px;
    margin: 0;
    padding: 0;
    background: none;
    overflow: hidden;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image-pc,
.hero-image-sp {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-image-pc {
    display: block;
}

.hero-image-sp {
    display: none;
}

.hero-image-pc .image-placeholder,
.hero-image-sp .image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d3748 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    object-fit: cover;
}

.hero-image-pc .image-placeholder img,
.hero-image-sp .image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-cta-overlay {
    position: absolute;
    bottom: 80px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
    padding: 0 20px;
}

.cta-hero {
    padding: 20px 55px;
    font-size: 1.3em;
    font-weight: 700;
    min-width: 300px;
    text-align: center;
    display: inline-block;
    background-color: #e85555;
    color: white;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(232, 85, 85, 0.3);
}

.cta-hero:hover {
    background-color: #d94444;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 85, 85, 0.4);
}

@media screen and (max-width: 768px) {
    .hero-image-pc {
        display: none;
    }
    
    .hero-image-sp {
        display: block;
    }
    
    .hero-cta-overlay {
        bottom: 60px;
        padding: 0 20px;
    }
    
    .cta-hero {
        padding: 20px 48px;
        font-size: 1.2em;
        width: 100%;
        max-width: 400px;
        min-width: auto;
    }
}

/* ========================================
   旧ヒーローセクション（非表示）
   ======================================== */
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
    padding: 80px 40px;
    text-align: center;
}

.hero-text-content {
    margin-bottom: 60px;
}

/* ヒーロー画像コンテナ */
.hero-image-container {
    margin: 60px 0 40px;
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.hero-main-image {
    aspect-ratio: 16 / 10;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

/* ヒーローバッジ */
.hero-badge {
    position: absolute;
    background: var(--primary-color);
    color: white;
    padding: 12px 20px;
    border-radius: 0;
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: float 3s ease-in-out infinite;
    letter-spacing: 0.05em;
}

.hero-badge-1 {
    top: 20px;
    right: -20px;
    animation-delay: 0s;
}

.hero-badge-2 {
    bottom: 40px;
    left: -20px;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.hero-eyebrow {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 24px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.5;
    margin-bottom: 32px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.hero-subtext {
    font-size: clamp(15px, 2vw, 17px);
    line-height: 2.1;
    margin-bottom: 60px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
    letter-spacing: 0.05em;
    font-weight: 400;
}

.bullet-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
    margin-left: auto;
    margin-right: auto;
}

.bullet-item {
    background: rgba(255, 255, 255, 0.15);
    padding: 32px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.bullet-item:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.3);
}

.bullet-item-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.bullet-item h3 {
    font-size: 20px;
    margin-bottom: 12px;
    font-weight: 700;
}

.bullet-item p {
    font-size: 14px;
    line-height: 1.9;
    opacity: 0.85;
    letter-spacing: 0.04em;
}

/* ========================================
   CTA ボタン（赤い角丸デザイン）
   ======================================== */
.cta-button {
    display: inline-block;
    padding: 18px 50px;
    background-color: #e85555;
    color: white;
    font-weight: 700;
    font-size: 18px;
    border-radius: 50px;
    margin: 0 10px 20px;
    transition: all 0.3s ease;
    text-decoration: none;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(232, 85, 85, 0.3);
}

.cta-button:hover {
    background-color: #d94444;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 85, 85, 0.4);
}

.cta-button-secondary {
    background-color: #333333;
}

.cta-button-secondary:hover {
    background-color: #000000;
}

.microcopy {
    font-size: 14px;
    margin-top: 16px;
    opacity: 0.8;
}

/* ========================================
   セクション共通スタイル
   ======================================== */
.section {
    padding: 120px 40px;
    position: relative;
}

.section-alt {
    background: var(--bg-light);
}

.section-dark {
    background: var(--gradient-secondary);
    color: white;
    padding: 140px 40px;
}

.section-container {
    max-width: 1000px;
    margin: 0 auto;
}

/* セクション間の視覚的な区切り */
.section + .section-alt,
.section-alt + .section {
    position: relative;
}

.section + .section-alt::before,
.section-alt + .section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border-color), transparent);
}

h2 {
    font-size: clamp(28px, 4vw, 42px);
    margin-bottom: 32px;
    font-weight: 700;
    text-align: center;
    line-height: 1.5;
    letter-spacing: 0.05em;
}

.section-intro {
    font-size: 15px;
    line-height: 2.1;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    letter-spacing: 0.05em;
    font-weight: 400;
}

.section-dark .section-intro {
    color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   画像プレースホルダー
   ======================================== */
.image-container {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
}

.image-placeholder {
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 50%, #f3f4f6 100%);
    background-size: 200% 200%;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.image-placeholder-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.3;
}

/* ========================================
   ベネフィットカード
   ======================================== */
.benefit-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.benefit-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    padding: 48px;
    border-radius: 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.benefit-card-image {
    margin: -48px -48px 24px -48px;
    border-radius: 20px 20px 0 0;
    overflow: hidden;
}

.benefit-card-image .image-placeholder {
    aspect-ratio: 3 / 2;
    border-radius: 0;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-color);
    border-radius: 20px 20px 0 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.benefit-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
}

.benefit-card:hover::before {
    opacity: 1;
}

.benefit-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    width: 56px;
    height: 56px;
    border-radius: 0;
    font-weight: 800;
    font-size: 24px;
    margin-bottom: 24px;
    box-shadow: none;
}

.benefit-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
    font-weight: 700;
    color: var(--text-primary);
}

.benefit-card .subtitle {
    color: var(--accent-color);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 20px;
    display: block;
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.9;
    font-size: 16px;
}

.benefit-card strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ========================================
   デモグリッド
   ======================================== */
.demo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.demo-item {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
}

.demo-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-color);
}

.demo-visual {
    aspect-ratio: 4 / 3;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.demo-visual-icon {
    font-size: 80px;
    opacity: 0.2;
}

.demo-content {
    padding: 24px;
}

.demo-item h4 {
    font-size: 20px;
    margin-bottom: 12px;
    font-weight: 700;
    color: var(--text-primary);
}

.demo-item p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   プロセスステップ
   ======================================== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 60px;
    position: relative;
}

.process-step {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.process-step:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-color);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    margin: 0 auto 20px;
    font-size: 28px;
    font-weight: 800;
    box-shadow: var(--shadow-md);
}

.process-step h4 {
    font-size: 18px;
    margin-bottom: 12px;
    font-weight: 700;
    color: var(--text-primary);
}

.process-step p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   統計カード
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.15);
    padding: 48px;
    border-radius: 20px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.3);
}

.stat-number {
    font-size: 56px;
    font-weight: 900;
    margin-bottom: 12px;
    color: white;
    line-height: 1;
}

.stat-label {
    font-size: 18px;
    font-weight: 600;
    opacity: 0.95;
}

.stat-card p {
    margin-top: 16px;
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.6;
}

/* ========================================
   料金プラン
   ======================================== */
.plan-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.plan-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 48px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.plan-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
}

.plan-card.featured {
    border-color: var(--primary-color);
    border-width: 2px;
    box-shadow: var(--shadow-lg);
    background: var(--bg-light);
}

.plan-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 6px 24px;
    border-radius: 0;
    font-size: 13px;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    letter-spacing: 0.1em;
}

.plan-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
    letter-spacing: 0.08em;
}

.plan-description {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    letter-spacing: 0.04em;
    line-height: 1.8;
}

.plan-price {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 24px 0;
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.plan-features {
    text-align: left;
    margin: 32px 0;
    list-style: none;
}

.plan-features li {
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--text-secondary);
    padding-left: 28px;
    position: relative;
    letter-spacing: 0.04em;
    line-height: 1.9;
}

.plan-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 800;
    font-size: 18px;
}

/* ========================================
   FAQ - template.cssのスタイルを使用
   ======================================== */
/* FAQのスタイルはtemplate.cssから継承 */

/* ========================================
   ハイライトボックス
   ======================================== */
.highlight-box {
    background: linear-gradient(135deg, #f9f9f9 0%, #f0f0f0 100%);
    border-left: 4px solid var(--accent-color);
    padding: 24px 28px;
    margin: 40px 0;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.highlight-box strong {
    color: var(--accent-color);
    font-weight: 700;
}

/* ========================================
   比較テーブル
   ======================================== */
.comparison-table {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    margin-top: 40px;
    box-shadow: var(--shadow-md);
}

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

.comparison-table th {
    background: var(--gradient-primary);
    color: white;
    padding: 20px;
    text-align: left;
    font-weight: 700;
    font-size: 16px;
}

.comparison-table td {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 15px;
}

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

.comparison-table tr:hover {
    background: var(--bg-light);
}

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

.comparison-table td small {
    color: var(--text-light);
    font-size: 13px;
}

/* ========================================
   レスポンシブデザイン
   ======================================== */
@media screen and (max-width: 768px) {
    .hero-badge {
        font-size: 12px;
        padding: 8px 16px;
    }
    
    .hero-badge-1 {
        right: 10px;
        top: 10px;
    }
    
    .hero-badge-2 {
        left: 10px;
        bottom: 20px;
    }
    
    .benefit-card-image {
        margin: -48px -24px 24px -24px;
    }
    
    .phase-comparison-grid {
        grid-template-columns: 1fr !important;
        gap: 32px;
        padding: 0;
        margin: 0;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        display: grid;
    }
    
    .phase-card {
        padding: 28px 20px;
        margin: 0 auto;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
        display: block;
    }
    
    .phase-card::before,
    .phase-card::after {
        width: 35px;
        height: 35px;
    }
    
    .phase-card h3 {
        font-size: 16px;
        margin-bottom: 20px;
        letter-spacing: 0.06em;
        line-height: 1.6;
    }
    
    .phase-card p {
        font-size: 13px;
        line-height: 2;
    }
    
    .phase-card strong {
        font-size: 14px;
        margin-bottom: 10px;
    }
    
    .phase-card .image-placeholder {
        margin-left: -20px !important;
        margin-right: -20px !important;
        margin-bottom: -28px !important;
        padding: 24px 16px !important;
        font-size: 12px;
        max-width: calc(100% + 40px) !important;
        box-sizing: border-box;
    }
    
    .design-process-title {
        font-size: 18px;
        margin: 32px 0 16px;
        line-height: 1.4;
    }
    
    .design-process-grid {
        grid-template-columns: 1fr !important;
        gap: 12px;
        padding: 0;
        margin: 0;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        display: grid;
    }
    
    .design-process-grid::before {
        display: none;
    }
    
    .design-process-item {
        padding: 16px 20px;
        min-height: auto;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
        margin: 0 auto;
    }
    
    .design-process-item::after {
        display: none;
    }
    
    .design-process-icon {
        font-size: 32px;
        margin-bottom: 8px;
    }
    
    .design-process-item h4 {
        font-size: 14px;
        margin-bottom: 4px;
        line-height: 1.4;
    }
    
    .design-process-item p {
        font-size: 12px;
        line-height: 1.5;
        margin: 0;
    }
    
    .highlight-box {
        padding: 14px 12px;
        font-size: 12px;
        line-height: 1.8;
        margin-top: 16px;
        margin-left: 0;
        margin-right: 0;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        word-wrap: break-word;
    }
    
    .section {
        padding: 60px 16px;
    }
    
    .section-dark {
        padding: 80px 16px;
    }
    
    .section-container {
        padding: 0 12px;
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }
    
    .section-intro {
        font-size: 13px;
        line-height: 1.9;
        margin-bottom: 32px;
    }
    
    .section h2 {
        font-size: 24px;
        line-height: 1.5;
        margin-bottom: 24px;
    }
    
    .hero-content {
        padding: 60px 20px;
    }
    
    .strength-detail-section {
        padding: 80px 20px;
    }
    
    .strength-detail-section > .section-container > h2 {
        margin-bottom: 60px;
        padding-bottom: 20px;
    }
    
    .strength-detail-section > .section-container > h2::after {
        width: 60px;
        height: 3px;
    }
    
    .strength-number {
        width: 56px;
        height: 56px;
        font-size: 28px;
        line-height: 56px;
        margin-bottom: 20px;
    }
    
    .strength-detail-header {
        margin-bottom: 48px;
    }
    
    .strength-detail-header h2 {
        font-size: 1.8em;
    }
    
    .strength-subtitle {
        font-size: 1em;
    }
    
    .bullet-points {
        grid-template-columns: 1fr;
    }
    
    .benefit-grid {
        grid-template-columns: 1fr;
    }
    
    .benefit-card {
        padding: 32px 24px;
    }
    
    .demo-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .plan-grid {
        grid-template-columns: 1fr !important;
        gap: 24px;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    .plan-card {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    .plan-price {
        font-size: 24px;
    }
    
    .comparison-table {
        overflow-x: auto;
    }
    
    .comparison-table table {
        min-width: 600px;
    }
    
    .merit-cards {
        gap: 20px;
    }
    
    .merit-card {
        padding: 24px 20px;
        gap: 20px;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .merit-number {
        font-size: 40px;
        min-width: auto;
        text-align: left;
    }
    
    .merit-card p {
        font-size: 15px;
    }
    
    .merit-card:hover {
        transform: translateX(4px);
    }
    
    .benefit-intro-block {
        margin-bottom: 100px;
    }
    
    .benefit-intro-block h2 {
        margin-bottom: 40px;
        padding-bottom: 20px;
    }
    
    .benefit-intro-block h2::after {
        width: 60px;
        height: 3px;
    }
    
    .benefit-intro-block::after {
        bottom: -70px;
        height: 80px;
    }
    
    .benefit-intro-block {
        margin-bottom: 60px;
    }
    
    .benefit-intro-block h2 {
        font-size: 22px;
        line-height: 1.5;
    }
    
    .concern-creative {
        padding: 0;
        max-width: 100%;
        width: 100%;
        margin: 0;
        box-sizing: border-box;
        overflow: hidden;
    }
    
    .concern-creative .image-placeholder {
        padding: 16px 12px;
        min-height: auto;
        font-size: 11px;
        border-radius: 8px;
        line-height: 1.7;
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
        overflow: hidden;
    }
    
    .concern-creative .image-placeholder > div {
        max-width: 100%;
        width: 100%;
        word-wrap: break-word;
        overflow-wrap: break-word;
        box-sizing: border-box;
    }
    
    .concern-creative .image-placeholder > div > div {
        font-size: 11px !important;
        line-height: 1.7 !important;
        max-width: 100% !important;
        word-wrap: break-word !important;
    }
    
    .concern-creative .image-placeholder-icon {
        font-size: 24px;
        margin-bottom: 8px;
    }
    
    .solution-intro-block {
        margin: 0 auto 50px;
        padding-top: 0;
    }
    
    .solution-intro-block h2::after {
        width: 80px;
    }
    
    .solution-intro-block + p {
        font-size: 15px;
        margin-bottom: 40px;
    }
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
    .bullet-points {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefit-grid {
        grid-template-columns: 1fr;
    }
    
    .demo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .plan-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .design-process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}


/* ========================================
   ユーティリティクラス
   ======================================== */
.text-center {
    text-align: center;
}

.mt-40 {
    margin-top: 40px;
}

.mb-40 {
    margin-bottom: 40px;
}

/* ========================================
   セクションラベル
   ======================================== */
.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 16px;
    padding: 6px 16px;
    border: 2px solid var(--accent-color);
    border-radius: 20px;
}

/* ========================================
   フェーズ比較グリッド
   ======================================== */
.phase-comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 40px;
}

.phase-card {
    background: linear-gradient(to bottom, #fafafa 0%, #ffffff 100%);
    padding: 56px;
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid #e8e8e8;
}

/* 左上の装飾的なコーナー */
.phase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 80px;
    height: 80px;
    border-top: 2px solid var(--primary-color);
    border-left: 2px solid var(--primary-color);
}

/* 右下の装飾的なコーナー */
.phase-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 80px;
    height: 80px;
    border-bottom: 2px solid var(--primary-color);
    border-right: 2px solid var(--primary-color);
}

.phase-card:hover {
    background: white;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
    border-color: var(--primary-color);
}

.phase-card h3 {
    font-size: 18px;
    margin-bottom: 32px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.1em;
    line-height: 1.7;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 16px;
}

/* 見出し下のアンダーライン */
.phase-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--primary-color);
}

.phase-card p {
    color: var(--text-secondary);
    line-height: 2.1;
    font-size: 14px;
    letter-spacing: 0.05em;
}

.phase-card strong {
    color: var(--text-primary);
    font-weight: 700;
    display: block;
    margin-bottom: 12px;
    font-size: 15px;
    letter-spacing: 0.06em;
}

/* 画像プレースホルダーの調整 */
.phase-card .image-placeholder {
    margin-top: 32px !important;
    margin-left: -56px !important;
    margin-right: -56px !important;
    margin-bottom: -56px !important;
    padding: 40px !important;
    border-top: 1px solid #e8e8e8;
    background: white;
}

/* ========================================
   設計プロセスグリッド
   ======================================== */
.design-process-title {
    font-size: 24px;
    margin: 30px 0 20px;
    font-weight: 700;
    text-align: center;
}

.design-process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 15px;
    position: relative;
}

.design-process-grid::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: transparent;
    z-index: 0;
}

.design-process-item {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid var(--border-color);
    position: relative;
    z-index: 1;
}

.design-process-item::after {
    content: '→';
    position: absolute;
    right: -22px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 28px;
    font-weight: bold;
    color: var(--accent-color);
    z-index: 2;
    line-height: 1;
}

.design-process-item:last-child::after {
    display: none;
}

.design-process-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-color);
}

.design-process-icon {
    font-size: 40px;
    margin-bottom: 5px;
}

.design-process-item h4 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.design-process-item p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

/* ========================================
   ベネフィットセクション冒頭
   ======================================== */
.benefit-intro-block {
    max-width: 1000px;
    margin: 0 auto 120px;
    text-align: center;
    position: relative;
}

.benefit-intro-block h2 {
    margin-bottom: 56px;
    position: relative;
    padding-bottom: 24px;
}

.benefit-intro-block h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.concern-creative {
    max-width: 900px;
    margin: 0 auto;
}

.concern-creative .image-placeholder {
    background: var(--bg-light);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 48px;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 問題から解決への流れを示す矢印エリア */
.benefit-intro-block::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 100px;
    background: linear-gradient(to bottom, var(--border-color), var(--primary-color));
}

.solution-intro-block {
    text-align: center;
    margin: 0 auto 60px;
    position: relative;
    max-width: 1000px;
    padding-top: 0;
}

/* 解決策ブロックの装飾は削除 */

.solution-intro-block h2 {
    margin-bottom: 0;
    position: relative;
    display: inline-block;
    padding-bottom: 20px;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.solution-intro-block h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* 次のテキストのスタイル */
.solution-intro-block + p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    font-weight: 500;
    animation: fadeIn 1s ease-out 0.3s both;
}

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

/* ========================================
   メリットカード（バータイプ）
   ======================================== */
.merit-cards {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 60px;
    margin-bottom: 60px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.merit-card {
    background: linear-gradient(135deg, #ffffff 0%, #f9f9f9 100%);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 32px 40px;
    display: flex;
    align-items: center;
    gap: 32px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.merit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: var(--primary-color);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.merit-card:hover {
    border-color: var(--primary-color);
    transform: translateX(8px);
    box-shadow: 0 8px 30px -5px rgba(0, 0, 0, 0.12);
    background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
}

.merit-card:hover::before {
    opacity: 1;
}

.merit-number {
    flex-shrink: 0;
    font-size: 56px;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1;
    opacity: 0.08;
    font-family: 'Arial Black', sans-serif;
    letter-spacing: -2px;
    min-width: 80px;
    text-align: center;
}

.merit-card:hover .merit-number {
    opacity: 0.15;
}

.merit-card p {
    font-size: 15px;
    color: var(--text-primary);
    line-height: 2.1;
    margin: 0;
    font-weight: 400;
    flex: 1;
    letter-spacing: 0.05em;
}

.merit-card p strong {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.06em;
    display: block;
    margin-bottom: 8px;
}

/* ========================================
   CRMフロー・成果グラフ画像エリア
   ======================================== */
.crm-flow-visual,
.results-graph-container {
    margin: 60px 0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.crm-flow-visual .image-placeholder {
    aspect-ratio: 2 / 1;
}

.results-graph-container .image-placeholder {
    aspect-ratio: 5 / 3;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
}

/* ========================================
   4つの強みハイライト
   ======================================== */
.strengths-highlight {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.strength-highlight-item {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.strength-highlight-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.strength-icon {
    font-size: 56px;
    margin-bottom: 16px;
}

.strength-highlight-item h4 {
    font-size: 1.3em;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.strength-highlight-item p {
    font-size: 0.95em;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ========================================
   強み詳細セクション
   ======================================== */
.strength-detail-section {
    padding: 120px 40px;
}

.strength-detail-section .section-intro {
    margin-bottom: 20px;
    font-size: 16px;
    opacity: 0.8;
}

.strength-detail-section > .section-container > h2 {
    margin-bottom: 80px;
    position: relative;
    padding-bottom: 24px;
}

.strength-detail-section > .section-container > h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.strength-detail {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.strength-detail-header {
    text-align: center;
    margin-bottom: 64px;
    position: relative;
}

.strength-number {
    display: inline-block;
    width: 64px;
    height: 64px;
    background: var(--primary-color);
    color: white;
    border-radius: 0;
    font-size: 32px;
    font-weight: 900;
    line-height: 64px;
    margin-bottom: 24px;
    box-shadow: none;
    border: 2px solid var(--primary-color);
}

.strength-detail-header h2 {
    font-size: 2em;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: 0.06em;
    line-height: 1.5;
}

.strength-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    font-weight: 400;
    line-height: 2;
    letter-spacing: 0.05em;
}

.strength-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.strength-text h3 {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.strength-text h4 {
    font-size: 1.2em;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 32px;
    margin-bottom: 16px;
}

.strength-text p {
    font-size: 1em;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.strength-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.strength-list li {
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
    line-height: 1.7;
}

.strength-list li:last-child {
    border-bottom: none;
}

.strength-list li strong {
    display: block;
    font-size: 1.05em;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.strength-visual {
    width: 100%;
    max-width: 100%;
    position: relative;
}

.strength-image-pc {
    display: block;
}

.strength-image-sp {
    display: none;
}

.strength-visual .image-placeholder {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.strength-image-pc .image-placeholder {
    min-height: 400px;
    max-height: 600px;
    aspect-ratio: 2 / 1;
}

.strength-image-sp .image-placeholder {
    width: 100%;
    aspect-ratio: 1 / 1;
}

.strength-text {
    width: 100%;
    max-width: 100%;
}

/* ========================================
   レスポンシブ調整（強み詳細セクション用）
   ======================================== */
@media screen and (max-width: 768px) {
    .strengths-highlight {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .strength-highlight-item {
        padding: 24px 16px;
    }
    
    .strength-icon {
        font-size: 40px;
    }
    
    .strength-detail-section {
        padding: 60px 0;
    }
    
    .strength-detail {
        padding: 0 20px;
    }
    
    .strength-image-pc {
        display: none;
    }
    
    .strength-image-sp {
        display: block;
    }
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
    .strengths-highlight {
        grid-template-columns: repeat(2, 1fr);
    }
}