* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

body {
    line-height: 1.6;
    color: #333333;
}

.container {
    max-width: 1200px;

    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: #f5f9ff;
    box-shadow: 0 100px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 50px 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 55px;
    margin-right: 20px;
}

.logo-text {
    font-size: 25px;
    font-weight: 1000;
    color: #0052cc;
}

.logo a {
    text-decoration: none!important;
    color: #0052cc!important;
}

#navigation nav {
    display: flex;
}

nav {
    display: flex;
    justify-content: center;
    align-items: center;
}

nav ul {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    align-items: center;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    text-decoration: none;
    color: #555555;
    font-weight: 100;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #0052cc;
}

.cta-button {
    display: inline-block;
    background-color: #0052cc;
    color: #ffffff;
    padding: 15px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s;
}

.cta-button {
    color: #ffffff !important;
    text-decoration: none !important;
}

.cta-button:hover {
    background-color: #003380;
}

/* Footer */
footer {
    background-color: #333333;
    color: #ffffff;
    padding: 60px 0 20px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-about p {
    margin-bottom: 20px;
    color: #ffffff;
}

.footer-heading {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #aaa!important;
    text-decoration: none!important;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #ffffff;
}

.copyright {
    text-align: center;
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid #444;
    font-size: 14px;
    color: #ffffff;
}

/* Responsive styles */
@media screen and (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .pricing-plans {
        flex-wrap: nowrap
;
    }

    .plan {
        width: calc(50% - 15px);
        margin-bottom: 30px;
    }
}

@media screen and (max-width: 768px) {

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

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

    .steps {
        flex-direction: column;
    }

    .step {
        margin-bottom: 40px;
    }

    .step:not(:last-child)::after {
        display: none;
    }

    .plan {
        width: 100%;
    }
}

@media screen and (max-width: 480px) {
    .header-container {
        flex-direction: column;
    }

    nav ul {
        margin-top: 20px;
    }

    nav ul li {
        margin-left: 15px;
        margin-right: 15px;
    }

    .hero h1 {
        font-size: 32px;
        color: #ffffff;
    }

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

/*機能一覧 */


        :root {
            --primary-color: #1a365d; /* ネイビー */
            --secondary-color: #0c2340; /* ダークネイビー */
            --accent-color: #38b2ac; /* ターコイズ */
            --light-bg: #f7fafc;
            --white: #ffffff;
            --gray: #4a5568;
            --light-gray: #e2e8f0;
            --dark-gray: #2d3748;
            --green: #2f855a; /* SDGs系グリーン */
            --light-green: #c6f6d5;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Helvetica Neue', 'Arial', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', sans-serif;
        }
        
        body {
            line-height: 1.6;
            color: var(--dark-gray);
            background-color: var(--light-bg);
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Header */
        header {
            background-color: var(--white);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            z-index: 1000;
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo-text {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-color);
            margin-left: 10px;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 30px;
        }
        
        nav ul li a {
            text-decoration: none;
            color: var(--gray);
            font-weight: 500;
            transition: color 0.3s;
        }
        
        nav ul li a:hover {
            color: var(--accent-color);
        }
        
        .dropdown {
            position: relative;
        }
        
        .dropdown-toggle {
            cursor: pointer;
        }
        
        .dropdown-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            background-color: var(--white);
            min-width: 180px;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
            border-radius: 8px;
            padding: 10px 0;
            z-index: 1001;
        }
        
        .dropdown:hover .dropdown-menu {
            display: block;
        }
        
        .dropdown-menu li {
            margin: 0;
            padding: 0;
        }
        
        .dropdown-menu li a {
            display: block;
            padding: 8px 15px;
            font-size: 14px;
            color: var(--gray);
        }
        
        .dropdown-menu li a:hover {
            background-color: var(--light-bg);
            color: var(--accent-color);
        }
        
        .cta-button {
            display: inline-block;
            background-color: var(--accent-color);
            color: var(--white);
            padding: 12px 28px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        
        .cta-button:hover {
            background-color: var(--primary-color);
            transform: translateY(-2px);
            box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
        }
        
        /* Page Content */
        .page-content {
            padding: 120px 0 80px;
        }
        
        .page-header {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }
        
        .page-header::after {
            content: '';
            position: absolute;
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--accent-color);
            border-radius: 2px;
        }
        
        .page-header h1 {
            font-size: 40px;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        
        .page-header p {
            font-size: 18px;
            color: var(--gray);
            max-width: 800px;
            margin: 0 auto;
        }
        
        /* Tab Navigation */
        .tabs-container {
            margin-bottom: 40px;
        }
        
        .tabs-navigation {
            display: flex;
            list-style: none;
            overflow-x: auto;
            padding-bottom: 20px;
            border-bottom: 2px solid var(--light-gray);
            gap: 10px;
        }
        
        .tab-item {
            padding: 10px 20px;
            background-color: var(--light-bg);
            color: var(--gray);
            border-radius: 8px 8px 0 0;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
            white-space: nowrap;
            border: 1px solid var(--light-gray);
            border-bottom: none;
        }
        
        .tab-item.active {
            background-color: var(--accent-color);
            color: var(--white);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }
        
        .tab-item:hover:not(.active) {
            background-color: var(--light-gray);
        }
        
        /* Feature Categories */
        .feature-category {
            margin-bottom: 60px;
            display: none;
        }
        
        .feature-category.active {
            display: block;
        }
        
        .category-header {
            margin-bottom: 30px;
        }
        
        .category-header h2 {
            font-size: 28px;
            color: var(--primary-color);
            position: relative;
            padding-left: 20px;
            margin-bottom: 15px;
        }
        
        .category-header h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 30px;
            background-color: var(--accent-color);
            border-radius: 2px;
        }
        
        .category-header p {
            font-size: 16px;
            color: var(--gray);
            max-width: 900px;
        }
        
        /* Feature List */
        .features-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        
        .feature-item {
            background-color: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            cursor: pointer;
        }
        
        .feature-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .feature-item.selected {
            border: 2px solid var(--accent-color);
            box-shadow: 0 10px 25px rgba(56, 178, 172, 0.2);
        }
        
        .feature-header {
            background-color: var(--primary-color);
            color: var(--white);
            padding: 15px;
            position: relative;
        }
        
        .feature-header h3 {
            font-size: 18px;
            margin-bottom: 5px;
        }
        
        .feature-id {
            font-size: 12px;
            opacity: 0.8;
        }
        
        .feature-body {
            padding: 15px;
        }
        
        .feature-description {
            font-size: 14px;
            color: var(--gray);
            margin-bottom: 15px;
            min-height: 60px;
        }
        
        .feature-note {
            font-size: 12px;
            color: var(--accent-color);
            font-style: italic;
        }
        
        /* System Visual */
        .system-visual {
            margin: 40px 0;
            text-align: center;
            background-color: var(--white);
            padding: 40px 20px;
            border-radius: 16px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .system-visual h2 {
            font-size: 28px;
            color: var(--primary-color);
            margin-bottom: 30px;
        }
        
        .system-diagram {
            max-width: 100%;
            height: auto;
            margin: 0 auto;
        }
        
        /* CTA Section */
        .cta-section {
            background-color: var(--green);
            color: var(--white);
            padding: 60px 0;
            text-align: center;
            border-radius: 16px;
            margin-top: 60px;
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '♻️';
            position: absolute;
            font-size: 200px;
            opacity: 0.1;
            top: -50px;
            right: -50px;
            transform: rotate(15deg);
        }
        
        .cta-section h2 {
            font-size: 32px;
            margin-bottom: 20px;
        }
        
        .cta-section p {
            font-size: 18px;
            max-width: 600px;
            margin: 0 auto 30px;
        }
        
        .cta-section .cta-button {
            background-color: var(--white);
            color: var(--green);
        }
        
        .cta-section .cta-button:hover {
            background-color: var(--light-gray);
            color: var(--primary-color);
        }
        
        /* Footer */
        footer {
            background-color: var(--dark-gray);
            color: var(--white);
            padding: 60px 0 20px;
            position: relative;
        }
        
        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 6px;
            background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 50%, var(--green) 100%);
        }
        
        .footer-container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
        }
        
        .footer-logo {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .footer-about p {
            margin-bottom: 20px;
        }
        
        .footer-heading {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: var(--white);
        }
        
        .copyright {
            text-align: center;
            margin-top: 60px;
            padding-top: 20px;
            border-top: 1px solid #444;
            font-size: 14px;
        }

        .copyright p {
            color: #ffffff;
        }
        
        /* Responsive styles */
        @media screen and (max-width: 1024px) {
            .footer-container {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        @media screen and (max-width: 768px) {
            .header-container {
                flex-direction: column;
            }
            
            nav ul {
                margin-top: 20px;
                flex-wrap: nowrap;
                justify-content: center;
            }
            
            nav ul li {
                margin: 0 10px 10px;
            }
            
            .tabs-navigation {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 10px;
            }
            
            .tab-item {
                flex: 0 0 auto;
            }
            
            .footer-container {
                grid-template-columns: 1fr;
            }
        }


/*採用 */

body {
            font-family: 'Helvetica Neue', 'Arial', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', sans-serif;
            color: #333;
            line-height: 1.6;
            margin: 0;
            padding: 0;
        }
        
        .careers-container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 20px;
        }
        
        .careers-header {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .careers-header h1 {
            font-size: 36px;
            color: #1a365d;
            margin-bottom: 15px;
        }
        
        .careers-header p {
            font-size: 18px;
            color: #666;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .vision-section {
            background-color: #f7fafc;
            padding: 50px 30px;
            border-radius: 10px;
            margin-bottom: 50px;
            text-align: center;
        }
        
        .vision-section h2 {
            font-size: 28px;
            color: #1a365d;
            margin-bottom: 20px;
        }
        
        .vision-section p {
            font-size: 16px;
            max-width: 800px;
            margin: 0 auto 20px;
        }
        
        .values-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            margin: 40px 0;
        }
        
        .value-item {
            background-color: white;
            border-radius: 8px;
            padding: 25px;
            width: 250px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
            text-align: center;
        }
        
        .value-item h3 {
            font-size: 20px;
            color: #38b2ac;
            margin-bottom: 15px;
        }
        
        .value-icon {
            font-size: 40px;
            margin-bottom: 15px;
            color: #1a365d;
        }
        
        .job-openings {
            margin-bottom: 50px;
        }
        
        .job-openings h2 {
            font-size: 28px;
            color: #1a365d;
            margin-bottom: 20px;
            text-align: center;
        }
        
        .job-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        
        .job-card {
            background-color: white;
            border-radius: 10px;
            padding: 25px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .job-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .job-title {
            font-size: 22px;
            color: #1a365d;
            margin-bottom: 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .job-tag {
            background-color: #38b2ac;
            color: white;
            font-size: 14px;
            padding: 4px 10px;
            border-radius: 20px;
            font-weight: normal;
        }
        
        .job-overview {
            margin-bottom: 20px;
            color: #666;
        }
        
        .job-details {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        
        .job-details h4 {
            font-size: 16px;
            color: #1a365d;
            margin-bottom: 10px;
        }
        
        .job-details ul {
            padding-left: 20px;
            margin: 0;
            color: #555;
        }
        
        .job-details li {
            margin-bottom: 8px;
        }
        
        .job-cta {
            text-align: center;
            margin-top: 20px;
        }
        
        .apply-button {
            display: inline-block;
            background-color: #38b2ac;
            color: white;
            padding: 12px 25px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        
        .apply-button:hover {
            background-color: #2c9a94;
        }
        
        .benefits-section {
            margin-bottom: 50px;
        }
        
        .benefits-section h2 {
            font-size: 28px;
            color: #1a365d;
            margin-bottom: 20px;
            text-align: center;
        }
        
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }
        
        .benefit-item {
            background-color: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
        }
        
        .benefit-item h3 {
            font-size: 18px;
            color: #38b2ac;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
        }
        
        .benefit-icon {
            margin-right: 10px;
            font-size: 20px;
        }
        
        .culture-section {
            margin-bottom: 50px;
        }
        
        .culture-section h2 {
            font-size: 28px;
            color: #1a365d;
            margin-bottom: 20px;
            text-align: center;
        }
        
        .culture-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        
        .culture-image {
            background-color: #f0f0f0;
            border-radius: 10px;
            overflow: hidden;
            height: 300px;
        }
        
        .culture-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .culture-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .culture-content h3 {
            font-size: 22px;
            color: #1a365d;
            margin-bottom: 15px;
        }
        
        .interview-section {
            margin-bottom: 50px;
        }
        
        .interview-section h2 {
            font-size: 28px;
            color: #1a365d;
            margin-bottom: 20px;
            text-align: center;
        }
        
        .interview-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .interview-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
        }
        
        .interview-image {
            height: 200px;
            background-color: #f0f0f0;
        }
        
        .interview-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .interview-content {
            padding: 20px;
        }
        
        .interview-content h3 {
            font-size: 18px;
            color: #1a365d;
            margin-bottom: 5px;
        }
        
        .interview-position {
            font-size: 14px;
            color: #666;
            margin-bottom: 15px;
        }
        
        .entry-section {
            background-color: #1a365d;
            padding: 50px 30px;
            border-radius: 10px;
            text-align: center;
            color: white;
            margin-bottom: 50px;
        }
        
        .entry-section h2 {
            font-size: 28px;
            margin-bottom: 20px;
        }
        
        .entry-section p {
            font-size: 16px;
            max-width: 700px;
            margin: 0 auto 30px;
        }
        
        .entry-button {
            display: inline-block;
            background-color: white;
            color: #1a365d;
            padding: 12px 30px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: bold;
            transition: background-color 0.3s, transform 0.3s;
        }
        
        .entry-button:hover {
            background-color: #f0f0f0;
            transform: translateY(-3px);
        }
        
        .faq-section {
            margin-bottom: 50px;
        }
        
        .faq-section h2 {
            font-size: 28px;
            color: #1a365d;
            margin-bottom: 30px;
            text-align: center;
        }
        
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .faq-item {
            margin-bottom: 20px;
            border-bottom: 1px solid #eee;
            padding-bottom: 20px;
        }
        
        .faq-question {
            font-size: 18px;
            color: #1a365d;
            margin-bottom: 10px;
            font-weight: bold;
        }
        
        .faq-answer {
            font-size: 16px;
            color: #555;
        }
        
        @media (max-width: 768px) {
            .values-container {
                flex-direction: column;
                align-items: center;
            }
            
            .value-item {
                width: 100%;
                max-width: 300px;
            }
            
            .job-details {
                grid-template-columns: 1fr;
            }
            
            .culture-container {
                grid-template-columns: 1fr;
            }
        }