/* カラーテーマの設定 */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-bg: #f3f4f6;
}

/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基本スタイル */
body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* コンテナ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー */
header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.highlight {
    background: linear-gradient(120deg, #ff6b6b, #ffa726);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: bold;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.value-props {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.value-prop {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 16px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.value-prop .icon {
    font-size: 1.2rem;
}

.hero-description {
    margin: 30px 0;
    font-size: 1.1rem;
    line-height: 1.7;
    opacity: 0.9;
}

.cta-section {
    margin-top: 40px;
}

.trust-signal {
    margin-top: 15px;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 見出し */
h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

/* CTAボタン */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: white;
    color: var(--primary-color);
    padding: 18px 35px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
    flex-direction: column;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.6s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0,0,0,0.3);
}

.primary-cta {
    background: linear-gradient(135deg, #ff6b6b, #ffa726);
    color: white;
    font-size: 1.1rem;
}

.secondary-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.final-cta {
    background: linear-gradient(135deg, #ff6b6b, #ffa726);
    color: white;
    font-size: 1.2rem;
    padding: 20px 40px;
}

.cta-icon {
    font-size: 1.2rem;
}

.cta-subtitle {
    font-size: 0.8rem;
    opacity: 0.9;
    font-weight: normal;
}

/* セクション */
section {
    padding: 60px 0;
}

/* 特徴セクション */
.features {
    background-color: var(--light-bg);
}

/* 特徴グリッド */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

/* 特徴アイテム */
.feature-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.feature-item.enhanced {
    border: 1px solid #e5e7eb;
    position: relative;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

.benefit-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, #ff6b6b, #ffa726);
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: bold;
}

/* 料金表 */
.pricing-table {
    width: 100%;
    border-collapse: collapse;
    margin: 40px 0;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.pricing-table th,
.pricing-table td {
    padding: 20px;
    border: 1px solid #e5e7eb;
    text-align: left;
}

.pricing-table th {
    background-color: var(--primary-color);
    color: white;
    font-weight: bold;
    font-size: 1.1rem;
}

.pricing-table tr:nth-child(even) {
    background-color: var(--light-bg);
}

.pricing-table td:first-child {
    font-weight: bold;
    color: var(--primary-color);
}

.pricing-table td:nth-child(2) {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.pricing-note {
    text-align: center;
    margin-top: 20px;
    padding: 15px;
    background-color: var(--light-bg);
    border-radius: 8px;
    font-size: 0.9rem;
    color: #666;
}

/* ステップ */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.step-item {
    text-align: center;
    padding: 20px;
}

/* ステップ番号 */
.step-number {
    background-color: var(--primary-color);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

/* 見出し2 */
h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    text-align: center;
}

/* 見出し3 */
h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* リスト */
.centered-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
}

ul.centered-list {
    padding-left: 0;
}

.centered-list li {
    display: flex;
    align-items: flex-start;
    width: 100%;
    background: none;
    margin-bottom: 18px;
    font-size: 1.1rem;
    line-height: 1.7;
    padding-left: 0;
    position: relative;
}

.check-icon {
    width: 24px;
    height: 24px;
    margin-right: 12px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    .feature-grid,
    .steps {
        grid-template-columns: 1fr;
    }

    .value-props {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

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

    .stat-number {
        font-size: 2.5rem;
    }

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

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

    .urgency-elements {
        flex-direction: column;
        align-items: center;
    }

    .cta-button {
        padding: 15px 25px;
    }

    .final-cta {
        padding: 18px 30px;
        font-size: 1.1rem;
    }

    .use-case-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .use-case-item {
        padding: 20px;
    }

    .use-case-item h3 {
        font-size: 1rem;
    }

    .input-output-demo {
        padding: 15px;
    }

    .demo-input, .demo-output {
        padding: 10px 14px;
        font-size: 0.8rem;
    }

    .pricing-card {
        max-width: 100%;
    }
    
    .pricing-features {
        padding: 20px 25px;
    }

    .feature-grid-compact {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .feature-category {
        padding: 15px;
    }

    .feature-category h4 {
        font-size: 1rem;
    }

    .feature-check {
        font-size: 0.85rem;
    }
}

/* 印刷用ページへのリンク */
.print-link {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    transition: transform 0.2s;
}

.print-link:hover {
    transform: translateY(-2px);
}

.plan-feature-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 24px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
}
.plan-feature-list li {
  display: flex;
  align-items: center;
  font-size: 1rem;
  background: #f5faff;
  border: 1px solid #b3c6e6;
  border-radius: 6px;
  padding: 8px 16px;
  min-width: 220px;
  flex: 1 1 220px;
  box-sizing: border-box;
}
.plan-feature-list .icon {
  font-size: 1.3em;
  margin-right: 8px;
  color: #1976d2;
}

/* ROI 統計セクション */
.roi-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 80px 0;
}

.roi-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-top: 50px;
    text-align: center;
}

.stat-item {
    background: white;
    padding: 40px 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    background: linear-gradient(135deg, #ff6b6b, #ffa726);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-color);
    font-weight: 600;
}

/* お客様の声セクション */
.testimonials-section {
    background: #f8fafc;
    padding: 80px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.testimonial-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
}

.testimonial-item::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
    font-family: serif;
}

.testimonial-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.testimonial-content {
    margin-bottom: 20px;
}

.testimonial-content p {
    font-style: italic;
    line-height: 1.7;
    color: #4a5568;
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.author-info strong {
    color: var(--primary-color);
}

.author-info span {
    font-size: 0.9rem;
    color: #6b7280;
}

/* 料金カードセクション */
.pricing-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 0;
}

.pricing-card {
    background: white;
    color: var(--text-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.pricing-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 25px 20px;
    text-align: center;
}

.pricing-header h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.price-display {
    margin: 15px 0;
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
}

.period {
    font-size: 1.2rem;
    opacity: 0.8;
}

.price-description {
    font-size: 1rem;
    opacity: 0.9;
}

.pricing-features {
    padding: 25px 35px;
}

.feature-grid-compact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.feature-category {
    background: #f8fafc;
    padding: 15px;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
}

.feature-category h4 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--primary-color);
    font-weight: bold;
    text-align: center;
    padding-bottom: 8px;
    border-bottom: 2px solid #e2e8f0;
}

.feature-check {
    padding: 6px 0;
    display: flex;
    align-items: center;
    font-size: 0.85rem;
    line-height: 1.3;
    color: #4a5568;
}

.feature-check:last-child {
    border-bottom: none;
}

.pricing-cta {
    padding: 20px;
    background: #f8fafc;
    text-align: center;
}

.pricing-guarantee {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.guarantee-icon {
    font-size: 1.5rem;
    margin-right: 10px;
}

/* FAQ セクション */
.faq-section {
    background: #f8fafc;
    padding: 80px 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.faq-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.faq-item p {
    line-height: 1.7;
    color: #4a5568;
}

/* 最終CTA セクション */
.final-cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-description {
    font-size: 1.2rem;
    margin: 30px 0;
    line-height: 1.7;
    opacity: 0.9;
}

.urgency-elements {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.urgency-item {
    background: rgba(255, 255, 255, 0.2);
    padding: 12px 20px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 0.9rem;
}

.final-trust-signals {
    margin-top: 30px;
    font-size: 1rem;
    opacity: 0.9;
}

/* ユースケースセクション */
.use-case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.use-case-item {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary-color);
    text-align: center;
}

.use-case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.use-case-scenario {
    position: relative;
}

.scenario-label {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b6b, #ffa726);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.use-case-item h3 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 20px;
    line-height: 1.4;
}

.input-output-demo {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: 12px;
    padding: 20px;
    margin-top: 20px;
    border: 1px solid #bae6fd;
}

.demo-input {
    background: white;
    padding: 12px 16px;
    border-radius: 20px;
    border: 2px solid #3b82f6;
    font-size: 0.9rem;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.1);
}

.demo-arrow {
    text-align: center;
    font-size: 1.2rem;
    color: var(--primary-color);
    margin: 8px 0;
    font-weight: bold;
}

.demo-output {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}