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

:root {
    /* カラーパレット - ホワイトベース + オレンジアクセント */
    --primary-color: #ff6b35;
    --primary-dark: #e55a28;
    --primary-light: #ff8555;
    --secondary-color: #333333;
    --accent-color: #ff8c42;
    
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --text-light: #999999;
    
    --bg-white: #ffffff;
    --bg-light: #fafafa;
    --bg-dark: #1a1a1a;
    --bg-gray: #f8f8f8;
    
    --border-color: #e5e5e5;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    
    /* タイポグラフィ */
    --font-main: 'Noto Sans JP', sans-serif;
    --font-en: 'Inter', sans-serif;
    
    /* スペーシング */
    --section-padding: 100px;
    --container-width: 1200px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    line-height: 1.7;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   ヘッダー
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.logo-text {
    font-family: var(--font-en);
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.logo-subtext {
    font-size: 14px;
    color: var(--text-gray);
    font-weight: 500;
}

.nav {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

.nav-link:hover::after {
    width: 100%;
}

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

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: white;
    box-shadow: var(--shadow-md);
    z-index: 999;
    padding: 20px;
}

.mobile-menu.active {
    display: block;
}

.mobile-nav-link {
    display: block;
    padding: 15px 0;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
}

/* ========================================
   ヒーローセクション
======================================== */
.hero {
    position: relative;
    padding: 180px 0 120px;
    background: linear-gradient(135deg, #ffffff 0%, #fff5f0 100%);
    color: var(--text-dark);
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 107, 53, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 107, 53, 0.05) 0%, transparent 50%);
    animation: pulse 10s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 30px;
    font-family: var(--font-en);
}

.hero-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 25px;
    letter-spacing: -1px;
}

.hero-title-highlight {
    background: linear-gradient(to right, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.hero-description {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 40px;
    color: var(--text-gray);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 60px;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 800;
    font-family: var(--font-en);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-gray);
}

/* ========================================
   ボタン
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

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

.btn-secondary:hover {
    background-color: var(--bg-light);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 40px;
    font-size: 16px;
}

/* ========================================
   セクション共通
======================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-gray);
}

/* ========================================
   課題セクション
======================================== */
.problems {
    padding: var(--section-padding) 0;
    background-color: var(--bg-gray);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.problem-card {
    background-color: white;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.problem-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 32px;
    color: white;
}

.problem-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.problem-text {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ========================================
   サービス概要セクション
======================================== */
.service {
    padding: var(--section-padding) 0;
    background-color: white;
}

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

.service-box {
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 30px;
    border-left: 4px solid var(--primary-color);
}

.service-box-highlight {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.05) 0%, rgba(255, 140, 66, 0.05) 100%);
    border-left-color: var(--primary-color);
}

.service-box-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.service-box-header i {
    font-size: 24px;
    color: var(--primary-color);
}

.service-box-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
}

.service-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.service-list {
    list-style: none;
}

.service-list li {
    padding: 12px 0;
    font-size: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.service-list i {
    color: var(--primary-color);
    font-size: 20px;
    margin-top: 3px;
}

/* ========================================
   特徴セクション
======================================== */
.features {
    padding: var(--section-padding) 0;
    background: linear-gradient(180deg, white 0%, var(--bg-gray) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-number {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-family: var(--font-en);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 28px;
    color: white;
}

.feature-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.feature-text {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 20px;
}

.feature-benefits {
    list-style: none;
    padding-left: 0;
}

.feature-benefits li {
    font-size: 14px;
    color: var(--text-gray);
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.feature-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

/* ========================================
   サービスフローセクション
======================================== */
.flow {
    padding: var(--section-padding) 0;
    background-color: white;
}

.flow-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.flow-step {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    margin-bottom: 30px;
}

.flow-step-number {
    min-width: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    padding: 12px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 14px;
    text-align: center;
    font-family: var(--font-en);
}

.flow-step-content {
    flex: 1;
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.flow-step-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    color: white;
    font-size: 22px;
}

.flow-step-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-dark);
}

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

.flow-arrow {
    text-align: center;
    font-size: 32px;
    color: var(--primary-light);
    margin: 10px 0;
}

/* ========================================
   料金セクション
======================================== */
.pricing {
    padding: var(--section-padding) 0;
    background: linear-gradient(180deg, white 0%, var(--bg-gray) 100%);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 900px;
    margin: 0 auto 60px;
}

.pricing-card {
    background-color: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.pricing-card-highlight {
    border: 3px solid var(--primary-color);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
}

.pricing-plan-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.pricing-price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 5px;
}

.pricing-currency {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-top: 10px;
}

.pricing-amount {
    font-size: 56px;
    font-weight: 800;
    color: var(--primary-color);
    font-family: var(--font-en);
    line-height: 1;
}

.pricing-period {
    font-size: 18px;
    color: var(--text-gray);
    margin-top: 30px;
}

.pricing-amount-text {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
}

.pricing-features {
    list-style: none;
    margin-bottom: 25px;
}

.pricing-features li {
    padding: 12px 0;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-dark);
}

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

.pricing-note {
    font-size: 13px;
    color: var(--text-gray);
    text-align: center;
    font-style: italic;
}

.pricing-benefits {
    background-color: white;
    padding: 50px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    max-width: 900px;
    margin: 0 auto;
}

.pricing-benefits-title {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-dark);
}

.pricing-benefit-item p {
    line-height: 1.7;
}

.pricing-benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.pricing-benefit-item {
    text-align: center;
}

.pricing-benefit-item i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.pricing-benefit-item h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.pricing-benefit-item p {
    font-size: 14px;
    color: var(--text-gray);
}

/* ========================================
   競合比較セクション
======================================== */
.comparison {
    padding: var(--section-padding) 0;
    background-color: white;
}

.comparison-table-wrapper {
    overflow-x: auto;
    box-shadow: var(--shadow-md);
    border-radius: 12px;
}

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

.comparison-table thead {
    background: var(--secondary-color);
    color: white;
}

.comparison-table th,
.comparison-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    font-weight: 700;
    font-size: 16px;
}

.comparison-table td {
    font-size: 15px;
}

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

.highlight-col {
    /* background-color: rgba(255, 107, 53, 0.08); */
    font-weight: 600;
    /* color: var(--text-dark); */
}

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

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 20px;
}

.cta-text {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 30px;
}

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

.cta-note i {
    margin-right: 8px;
}

/* ========================================
   会社情報
======================================== */
.company-info {
    background-color: var(--bg-light);
    padding: var(--section-padding) 0;
}

.company-details {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--bg-white);
    border-radius: 16px;
    padding: 50px;
    box-shadow: var(--shadow-sm);
}

.company-detail-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 40px;
    padding: 30px 0;
    border-bottom: 1px solid var(--border-color);
}

.company-detail-item:last-child {
    border-bottom: none;
}

.company-label {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
}

.company-value {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
}

.company-address {
    margin-bottom: 16px;
}

.company-address:last-child {
    margin-bottom: 0;
}

.company-address strong {
    color: var(--text-dark);
    font-weight: 600;
}

.company-business-list {
    list-style: none;
    padding: 0;
}

.company-business-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
}

.company-business-list li:last-child {
    margin-bottom: 0;
}

.company-business-list li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 10px;
    top: 8px;
}

/* ========================================
   フッター
======================================== */
.footer {
    background-color: var(--bg-dark);
    color: white;
    padding: 40px 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.footer-logo .logo-text {
    color: white;
}

.footer-logo .logo-subtext {
    color: rgba(255, 255, 255, 0.7);
}

.footer-copyright {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
}

/* ========================================
   レスポンシブデザイン
======================================== */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        padding: 140px 0 80px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

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

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

    .section-title {
        font-size: 32px;
    }

    .section-subtitle {
        font-size: 16px;
    }

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

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

    .flow-step {
        flex-direction: column;
    }

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

    .pricing-benefits-grid {
        grid-template-columns: 1fr;
    }

    .cta-title {
        font-size: 32px;
    }

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

    .cta-buttons {
        flex-direction: column;
    }

    .company-details {
        padding: 30px 20px;
    }

    .company-detail-item {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 20px 0;
    }

    .company-label {
        font-size: 15px;
        font-weight: 700;
        color: var(--primary-color);
    }

    .company-value {
        font-size: 15px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

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

    .section-title {
        font-size: 28px;
    }

    .logo-text {
        font-size: 24px;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 12px;
        font-size: 13px;
    }
}