@charset "UTF-8";
/* CSS Document */
/* Business Pages Common Styles - 株式会社TORITSU */
/* Navigation Active State */
.nav-menu a.active {
    color: #FFD700;
}

/* ========================================
   BUSINESS HERO SECTIONS
======================================== */

/* Main Business Hero */
.business-hero {
    padding: 8rem 0 5rem;
    background: linear-gradient(135deg, #2F1B14 0%, #1a4a2b 100%);
    color: #fff;
    text-align: center;
}

.business-hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: #fff;
}

.business-hero-subtitle {
    font-size: 1.3rem;
    color: #FFD700;
    margin-bottom: 2rem;
    font-weight: normal;
}

.business-hero-description {
    font-size: 1rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
    opacity: 0.9;
}

/* Service Hero (for individual service pages) */
.service-hero {
    padding: 8rem 0 5rem;
    color: #fff;
    text-align: center;
}

.service-hero.clean-hero {
    background: linear-gradient(135deg, #228B22 0%, #32CD32 100%);
}

.service-hero.rd-hero {
    background: linear-gradient(135deg, #1a4a2b 0%, #2F1B14 100%);
}

.service-hero.education-hero {
    background: linear-gradient(135deg, #4B0082 0%, #8A2BE2 100%);
}

.service-hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #fff;
}

.service-hero-subtitle {
    font-size: 1.3rem;
    color: #FFD700;
    margin-bottom: 1rem;
    font-weight: normal;
}

.service-hero-tagline {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 2rem;
    font-style: italic;
}

.service-hero-description {
    font-size: 1rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
    opacity: 0.9;
}

.service-badge {
    display: inline-block;
    background: rgba(255, 215, 0, 0.2);
    color: #FFD700;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 215, 0, 0.5);
}

/* ========================================
   BUSINESS SERVICES GRID
======================================== */

.business-services {
    padding: 5rem 0;
    background: #f5f5f5;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.service-card {
    background: #fff;
    padding: 3rem 2.5rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    text-align: left;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.service-card::before {
    content: attr(data-number);
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 5rem;
    font-weight: bold;
    color: rgba(255, 215, 0, 0.15);
    line-height: 1;
    z-index: 0;
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-card h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-subtitle {
    font-size: 1rem;
    color: #FFD700;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.service-card p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.service-card .btn {
    margin-top: 1rem;
}

/* ========================================
   PROBLEM & SOLUTION SECTIONS
======================================== */

.problem-section {
    padding: 5rem 0;
    background: #fff;
}

.problem-section h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #333;
    text-align: center;
}

.problem-section p {
    font-size: 1rem;
    line-height: 1.8;
    color: #666;
    margin-bottom: 2rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.solution-intro {
    text-align: center;
    font-size: 1.2rem;
    color: #333;
    margin-top: 3rem;
}

/* ========================================
   FEATURES SECTIONS
======================================== */

.clean-features {
    padding: 5rem 0;
    background: #f8f8f8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.feature-card {
    background: #fff;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    font-size: 3rem;
    color: #FFD700;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.feature-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.feature-card ul li {
    padding: 0.5rem 0;
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
    position: relative;
    padding-left: 1.5rem;
}

.feature-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #FFD700;
    font-weight: bold;
}

/* ========================================
   TARGET AUDIENCE
======================================== */

.target-section {
    padding: 5rem 0;
    background: #fff;
}

.target-section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
    text-align: center;
}

.target-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.target-card {
    background: #f8f8f8;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.target-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.target-icon {
    font-size: 2.5rem;
    color: #FFD700;
    margin-bottom: 1.5rem;
}

.target-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
}

.target-card p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ========================================
   R&D SPECIFIC SECTIONS
======================================== */

.expertise-section {
    padding: 5rem 0;
    background: #fff;
}

.expertise-content {
    max-width: 800px;
    margin: 0 auto;
}

.expertise-card {
    background: #f8f8f8;
    padding: 3rem 2.5rem;
    border-radius: 15px;
    text-align: center;
}

.expertise-icon {
    font-size: 3.5rem;
    color: #FFD700;
    margin-bottom: 2rem;
}

.expertise-card h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: #333;
}

.expertise-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}

.expertise-card ul li {
    padding: 0.8rem 0;
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
    position: relative;
    padding-left: 2rem;
}

.expertise-card ul li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: #FFD700;
    font-size: 1.2rem;
}

.rd-services {
    padding: 5rem 0;
    background: #f5f5f5;
}

.service-category {
    margin-bottom: 3rem;
}

.service-category h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: #333;
    text-align: center;
    position: relative;
}

.service-category h3::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: #FFD700;
    margin: 0.5rem auto 0;
}

.service-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-item {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.service-item:hover {
    transform: translateY(-3px);
}

.service-icon {
    font-size: 2.5rem;
    color: #FFD700;
    margin-bottom: 1.5rem;
}

.service-item h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-item p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
}

.services-message {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 10px;
}

.services-message p {
    font-size: 1.1rem;
    color: #333;
    font-weight: 500;
    margin: 0;
}

/* ========================================
   EDUCATION SPECIFIC SECTIONS
======================================== */

.education-programs {
    padding: 5rem 0;
    background: #fff;
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.program-card {
    background: #f8f8f8;
    padding: 3rem 2.5rem;
    border-radius: 15px;
    text-align: center;
}

.program-icon {
    font-size: 3.5rem;
    color: #8A2BE2;
    margin-bottom: 2rem;
}

.program-card h2 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: #333;
}

.program-card p {
    color: #666;
    font-size: 1rem;
    line-height: 1.7;
}

.track-record {
    padding: 5rem 0;
    background: #f5f5f5;
}

.record-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.record-item {
    background: #fff;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.record-icon {
    font-size: 2.5rem;
    color: #8A2BE2;
    margin-bottom: 1.5rem;
}

.record-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.record-item p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ========================================
   MESSAGE & PHILOSOPHY SECTIONS
======================================== */

.message-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #228B22 0%, #32CD32 100%);
    color: #fff;
    text-align: center;
}

.message-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: #fff;
}

.message-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

.rd-philosophy {
    padding: 5rem 0;
    background: #1a1a1a;
    color: #fff;
    text-align: center;
}

.rd-philosophy h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #fff;
}

.philosophy-content p {
    font-size: 1.2rem;
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

.education-mission {
    padding: 5rem 0;
    background: #1a1a1a;
    color: #fff;
    text-align: center;
}

.education-mission h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #fff;
}

.mission-content {
    max-width: 800px;
    margin: 0 auto;
}

.mission-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* ========================================
   CTA SECTIONS
======================================== */

.business-cta,
.service-cta {
    padding: 5rem 0;
    background: #2F1B14;
    color: #fff;
    text-align: center;
}

.business-cta h2,
.service-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #fff;
}

.business-cta p,
.service-cta p {
    font-size: 1rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */

@media (max-width: 768px) {
    .business-hero,
    .service-hero {
        padding: 6rem 0 4rem;
    }
    
    .business-hero-content h1,
    .service-hero-content h1 {
        font-size: 2.2rem;
    }
    
    .business-hero-subtitle,
    .service-hero-subtitle {
        font-size: 1.1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .target-grid {
        grid-template-columns: 1fr;
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
    }
    
    .program-card {
        padding: 2.5rem 2rem;
    }
    
    .service-items {
        grid-template-columns: 1fr;
    }
    
    .record-grid {
        grid-template-columns: 1fr;
    }
    
    .expertise-card {
        padding: 2rem 1.5rem;
    }
    
    .message-content h2,
    .rd-philosophy h2,
    .education-mission h2 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .business-hero,
    .service-hero {
        padding: 5rem 0 3rem;
    }
    
    .business-hero-content h1,
    .service-hero-content h1 {
        font-size: 1.8rem;
    }
    
    .service-card {
        padding: 1.5rem 1rem;
    }
    
    .feature-card,
    .target-card,
    .record-item {
        padding: 2rem 1.5rem;
    }
    
    .program-card {
        padding: 2rem 1.5rem;
    }
    
    .expertise-card {
        padding: 1.5rem 1rem;
    }
    
    .service-item {
        padding: 1.5rem;
    }
}