/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3b4675;
    --secondary-color: #ffcd44;
    --accent-color: #008db7;
    --success-color: #83d159;
    --text-color: #3b4675;
    --bg-color: #ffffff;
    --light-bg: #f8f9fa;
    --border-color: #e0e0e0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.logo a:hover {
    color: var(--accent-color);
}

/* Navigation */
.main-nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.main-nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--accent-color);
    background-color: rgba(0, 141, 183, 0.1);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
}

.breadcrumb {
    font-size: 0.875rem;
    color: #666;
}

.breadcrumb a {
    color: var(--accent-color);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--secondary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.hero-subtitle {
    font-size: 1.5rem;
    opacity: 0.95;
    margin-bottom: 1.5rem;
}

.hero-logo {
    max-width: 350px;
    width: 100%;
    height: auto;
    margin-bottom: 1rem;
}

/* Problem Section */
.problem-section {
    padding: 4rem 0;
    background-color: var(--light-bg);
}

.section-title {
    font-size: 2.25rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-weight: bold;
}

.problem-image-wrapper {
    text-align: center;
    margin-top: 2rem;
}

.problem-full-image {
    max-width: 800px;
    width: 100%;
    height: auto;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.problem-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.problem-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-item h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.problem-item p {
    color: #666;
    line-height: 1.8;
}

/* Service Overview */
.service-overview {
    padding: 4rem 0;
}

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

.overview-text {
    font-size: 1.125rem;
    line-height: 2;
    margin-bottom: 1.5rem;
    text-align: center;
}

.overview-text strong {
    color: var(--accent-color);
    font-weight: bold;
}

/* DevOps Concept */
.devops-concept {
    padding: 4rem 0;
    background-color: var(--light-bg);
}

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

.concept-content > p {
    font-size: 1.125rem;
    text-align: center;
    margin-bottom: 3rem;
    line-height: 2;
}

.concept-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.benefit-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.benefit-item h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.benefit-item p {
    color: #666;
    line-height: 1.8;
}

/* Pricing Section */
.pricing-section {
    padding: 4rem 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-grid-single {
    grid-template-columns: 1fr;
    max-width: 500px;
}

.pricing-card-single {
    border: 3px solid var(--accent-color);
    box-shadow: 0 4px 16px rgba(0, 141, 183, 0.2);
}

.pricing-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    border-color: var(--accent-color);
    border-width: 3px;
}

.pricing-card-recommended {
    border: 3px solid #f59e0b;
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.2);
}

.featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary-color);
    color: var(--primary-color);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.875rem;
}

.recommended-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: #f59e0b;
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.9rem;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.plan-name {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: bold;
}

.plan-price {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.price-original {
    font-size: 1rem;
    color: #999;
    text-decoration: line-through;
}

.price-arrow {
    font-size: 1.2rem;
    color: var(--accent-color);
}

.price-amount {
    font-size: 2rem;
    font-weight: bold;
    color: #0066cc;
}

.price-period {
    font-size: 1rem;
    color: #666;
}

.plan-icon {
    margin: 1.5rem 0;
}

.plan-icon-1on1 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.plan-icon-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.arrow-symbol {
    font-size: 2.5rem;
    color: #17a2b8;
}

.arrow-label {
    font-size: 0.9rem;
    font-weight: bold;
    color: #666;
    white-space: nowrap;
}

.icon-team,
.icon-one-on-one {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.plan-icon-image {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin: 0 0.5rem;
}

.icon-label {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

.plan-description {
    font-size: 0.95rem;
    color: #333;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.plan-features {
    list-style: none;
    margin-bottom: 1.5rem;
    text-align: left;
    padding: 0;
}

.plan-features li {
    padding: 0.6rem 0;
    color: #333;
    line-height: 1.9;
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.plan-features li::before {
    content: '✓';
    color: #17a2b8;
    font-weight: bold;
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.plan-features-compact li {
    padding: 0.3rem 0;
    line-height: 1.5;
}

.plan-target {
    font-size: 0.95rem;
    color: #0066cc;
    font-weight: bold;
    margin-top: 1.5rem;
}

.pricing-note {
    font-size: 0.85rem;
    color: #666;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #e0e0e0;
    text-align: left;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 9999px;
    font-size: 1rem;
    font-weight: bold;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #006d91;
    transform: translateY(2px);
}

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

.btn-secondary:hover {
    background-color: #e5b83d;
    transform: translateY(2px);
}

.btn-cta {
    background-color: var(--success-color);
    color: white;
    font-size: 1.25rem;
    padding: 1.25rem 3rem;
}

.btn-cta:hover {
    background-color: #72bd4a;
    transform: translateY(2px);
}

/* Course Content */
.course-content {
    padding: 4rem 0;
    background-color: var(--light-bg);
}

.learning-flow-timeline {
    margin-top: 3rem;
}

.timeline-header {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

.timeline-period {
    text-align: center;
    font-weight: bold;
    font-size: 1.1rem;
    color: #333;
    padding: 0.75rem;
    background: #f5f5f5;
    border-radius: 8px;
}

.timeline-phases {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.phase-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    position: relative;
}

.phase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    border-radius: 12px 12px 0 0;
}

.phase-1::before {
    background: #17a2b8;
}

.phase-2::before {
    background: #17a2b8;
}

.phase-3::before {
    background: #17a2b8;
}

.phase-icon {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.phase-card h3 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 1rem;
    text-align: center;
    font-weight: bold;
}

.phase-intro {
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.phase-card h4 {
    font-size: 1rem;
    color: #333;
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.phase-card p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.learning-phases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.phase-badge {
    background-color: #2c5282;
    color: white;
}

.learning-flow {
    margin-bottom: 4rem;
}

.learning-flow h3 {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.flow-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.flow-step {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    flex: 1;
    min-width: 150px;
    max-width: 200px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.flow-step h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.flow-step p {
    font-size: 0.875rem;
    color: #666;
}

.flow-arrow {
    font-size: 2rem;
    color: var(--accent-color);
    font-weight: bold;
}

.course-catalog h3 {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

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

.catalog-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--accent-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.catalog-item h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.catalog-item p {
    color: #666;
    line-height: 1.8;
}

/* Course Catalog Section */
.course-catalog-section {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

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

.course-category:last-of-type {
    margin-bottom: 0;
}

.category-title {
    font-size: 1.8rem;
    color: #2c5282;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid #17a2b8;
    font-weight: bold;
}

.category-courses {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.course-catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.timeline-roadmap {
    display: flex;
    justify-content: space-around;
    margin: 2rem 0 3rem;
    position: relative;
}

.timeline-roadmap::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 5%;
    right: 5%;
    height: 4px;
    background: linear-gradient(to right, #17a2b8, #17a2b8);
    z-index: 0;
}

.roadmap-item {
    position: relative;
    z-index: 1;
}

.roadmap-date {
    background: #17a2b8;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: bold;
    font-size: 0.95rem;
    white-space: nowrap;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.course-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.course-item {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: relative;
    transition: all 0.3s ease;
}

.course-item-available {
    border: 3px solid #28a745;
    box-shadow: 0 4px 16px rgba(40, 167, 69, 0.25);
    background: linear-gradient(to bottom, #ffffff 0%, #f0fdf4 100%);
}

.course-item-available:hover {
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.35);
    transform: translateY(-2px);
}

.course-item-upcoming {
    opacity: 0.6;
    background: linear-gradient(to bottom, #f8f9fa 0%, #e9ecef 100%);
    border: 2px dashed #adb5bd;
}

.course-item-upcoming:hover {
    opacity: 0.8;
}

.course-item-upcoming .course-title,
.course-item-upcoming .course-desc,
.course-item-upcoming .course-content-list {
    color: #6c757d;
}

.course-badge {
    position: absolute;
    top: -0.75rem;
    right: 0.5rem;
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: bold;
    z-index: 2;
}

.status-available {
    background-color: #28a745;
    color: white;
    font-size: 0.85rem;
    padding: 0.5rem 1.2rem;
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.3);
}

.status-scheduled {
    background-color: #f59e0b;
    color: white;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

.status-wip {
    background-color: #fbbf24;
    color: #333;
}

.course-title {
    background: #17a2b8;
    color: white;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 1rem;
    margin: -1.5rem -1.5rem 1rem -1.5rem;
    text-align: center;
}

.course-desc {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.course-content-list {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e9ecef;
}

.course-content-title {
    font-size: 1rem;
    font-weight: bold;
    color: #2c5282;
    margin-bottom: 0.5rem;
}

.course-content-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.course-content-list ul li {
    font-size: 0.9rem;
    color: #666;
    padding: 0.5rem 0;
    padding-left: 2rem;
    position: relative;
    line-height: 1.5;
}

.course-content-list ul li::before {
    content: '✓';
    color: #5cb8c4;
    font-weight: bold;
    font-size: 1.1rem;
    position: absolute;
    left: 0;
}

.course-tech {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.course-tech-center {
    justify-content: center;
}

.tech-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.tech-icon-medium {
    width: 90px;
    height: 90px;
    object-fit: contain;
}

.tech-icon-large {
    width: 180px;
    height: 180px;
    object-fit: contain;
}

.tech-name {
    font-size: 0.9rem;
    font-weight: bold;
    color: #333;
    margin: 0;
}

.course-features {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.course-features li {
    font-size: 0.9rem;
    color: #666;
    padding: 0.25rem 0;
}

.course-note {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.6;
    margin-top: 1rem;
}

.catalog-note {
    text-align: center;
    font-size: 0.85rem;
    color: #999;
    margin-top: 3rem;
    line-height: 1.6;
}

/* Portfolio Examples Section */
.portfolio-examples-section {
    padding: 4rem 0;
    background-color: white;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.portfolio-item {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.portfolio-title {
    background: #17a2b8;
    color: white;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 1.05rem;
    margin: -2rem -2rem 1.5rem -2rem;
    text-align: center;
}

.portfolio-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.portfolio-description {
    flex: 1;
}

.portfolio-overview {
    font-size: 0.95rem;
    color: #333;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.portfolio-diagram {
    margin: 1rem 0;
}

.portfolio-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.portfolio-tech-section {
    margin-top: 1rem;
}

.tech-section-title {
    font-size: 1rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 0.5rem;
}

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

.portfolio-tech-list li {
    font-size: 0.9rem;
    color: #333;
    line-height: 1.9;
    padding: 0.4rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.portfolio-tech-list li::before {
    content: '✓';
    color: #17a2b8;
    font-weight: bold;
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 0.05rem;
}

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

.portfolio-points li {
    font-size: 0.95rem;
    color: #333;
    line-height: 1.8;
    padding: 0.25rem 0;
}

.portfolio-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.tech-stack-item {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: 0.5rem 1rem;
}

.tech-label {
    font-size: 0.85rem;
    font-weight: bold;
    color: #495057;
    margin: 0;
}

.portfolio-note {
    text-align: center;
    font-size: 1rem;
    color: #333;
    margin-top: 3rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.note-icon {
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

/* Course Sample Section */
.course-sample-section {
    padding: 4rem 0;
    background-color: white;
}

.sample-category {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
    margin: 2rem auto 1.5rem;
    max-width: 960px;
    padding-left: 1rem;
    border-left: 4px solid #17a2b8;
}

.slide-container {
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
    padding: 2rem 0;
}

.slide-container iframe {
    width: 100%;
    max-width: 960px;
    height: 569px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .slide-container iframe {
        height: 400px;
    }
}

@media (max-width: 481px) {
    .slide-container iframe {
        height: 300px;
    }
}

/* Instructor Section */
.instructor-section {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.instructor-card {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 3rem;
    align-items: flex-start;
}

.instructor-photo {
    flex-shrink: 0;
}

.instructor-photo img {
    width: 200px;
    height: 280px;
    object-fit: cover;
    border-radius: 8px;
}

.instructor-info {
    flex: 1;
}

.instructor-name {
    font-size: 1.8rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 0.5rem;
}

.instructor-title {
    font-size: 1rem;
    color: #666;
    margin-bottom: 1.5rem;
}

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

.instructor-profile li {
    font-size: 1rem;
    color: #333;
    line-height: 2;
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.instructor-profile li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #17a2b8;
    font-weight: bold;
}

.instructor-description {
    font-size: 1.125rem;
    line-height: 2;
    color: #666;
}

.instructor-social {
    margin-top: 1.5rem;
}

.btn-x {
    display: inline-block;
    background-color: #000;
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.btn-x:hover {
    background-color: #333;
}

/* FAQ Section */
.faq-section {
    padding: 4rem 0;
    background-color: var(--light-bg);
}

.faq-category {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
    margin: 2.5rem auto 1.5rem;
    max-width: 800px;
    padding-left: 1rem;
    border-left: 4px solid #17a2b8;
}

.faq-category:first-of-type {
    margin-top: 2rem;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto 2rem;
}

.faq-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.faq-item summary {
    padding: 1.5rem;
    font-size: 1.125rem;
    font-weight: bold;
    cursor: pointer;
    color: var(--primary-color);
    list-style: none;
    position: relative;
    transition: background-color 0.3s ease;
}

.faq-item summary:hover {
    background-color: #f0f0f0;
}

.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-item p {
    padding: 0 1.5rem 1.5rem;
    color: #666;
    line-height: 1.8;
}

.faq-item ul {
    padding: 0 1.5rem 1rem 3rem;
    color: #666;
    line-height: 1.8;
}

.faq-item ul li {
    margin-bottom: 0.5rem;
}

.faq-cta {
    padding: 0 1.5rem 1.5rem;
}

.faq-cta .btn {
    display: inline-block;
}

/* Registration Section */
.registration-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
}

.registration-section .section-title {
    color: white;
}

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

.launch-info {
    margin-bottom: 3rem;
}

.launch-info h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.launch-text {
    font-size: 1.125rem;
    line-height: 2;
}

.registration-benefits {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 3rem;
    backdrop-filter: blur(10px);
}

.registration-benefits h4 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.registration-benefits ul {
    list-style: none;
    text-align: left;
    max-width: 400px;
    margin: 0 auto;
}

.registration-benefits li {
    padding: 0.75rem 0;
    font-size: 1.125rem;
}

.cta-container {
    margin-top: 2rem;
}

.payment-note {
    margin-top: 0.75rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

.payment-note + .btn-secondary {
    margin-top: 1.5rem;
}

.pricing-card .payment-note {
    color: #666;
    margin-top: 0.5rem;
}

.contact-info-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-text {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: white !important;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.contact-buttons .btn-secondary {
    background-color: var(--secondary-color);
    border: none;
    color: var(--primary-color);
    font-size: 1.25rem;
    padding: 1.25rem 2.5rem;
    font-weight: bold;
    border-radius: 50px;
}

.contact-buttons .btn-secondary:hover {
    background-color: #e5b83d;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--secondary-color);
}

/* Company Pages Styles */

/* Company Hero */
.company-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.company-hero-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    font-weight: bold;
}

.company-hero-subtitle {
    font-size: 1.5rem;
    opacity: 0.95;
}

/* Mission Section */
.mission-section {
    padding: 4rem 0;
    background-color: var(--light-bg);
}

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

.mission-text {
    font-size: 1.25rem;
    line-height: 2;
    color: var(--text-color);
}

/* Services Section */
.services-section {
    padding: 4rem 0;
}

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

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon img {
    width: 140px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.service-icon-large img {
    width: 200px;
}

.service-icon-large {
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    text-align: center;
}

.service-list {
    list-style: none;
    margin-bottom: 1.5rem;
    padding: 0;
}

.service-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.service-description {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.service-note {
    color: #666;
    font-size: 0.95rem;
    margin-top: 1rem;
    margin-bottom: 1rem;
    text-align: center;
}

.service-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

/* DevOps Camp Highlight Card */
.service-card.highlight-card {
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
    border: 3px solid var(--accent-color);
    box-shadow: 0 8px 24px rgba(0, 141, 183, 0.2);
    position: relative;
}

.service-card.highlight-card::before {
    content: "注目";
    position: absolute;
    top: -15px;
    left: 20px;
    background: var(--secondary-color);
    color: var(--primary-color);
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.875rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.service-card.highlight-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 12px 32px rgba(0, 141, 183, 0.3);
}

.service-tagline {
    font-size: 1.25rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    text-align: center;
}

.service-overview {
    margin-bottom: 1.5rem;
}

.service-features {
    margin-bottom: 2rem;
}

.cta-button-container {
    text-align: center;
    margin-top: 2rem;
}

.cta-button-container .btn-cta,
.hero-cta .btn-cta,
.cta-container .btn-cta {
    animation: pulse 2s infinite;
    box-shadow: 0 4px 16px rgba(131, 209, 89, 0.4);
}

.cta-button-container .btn-cta:hover,
.hero-cta .btn-cta:hover,
.cta-container .btn-cta:hover {
    animation: none;
    box-shadow: 0 6px 24px rgba(131, 209, 89, 0.6);
}

.cta-button-container .btn-secondary,
.cta-container .btn-secondary {
    animation: none;
    box-shadow: none;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Tech Stack Section */
.tech-stack-section {
    padding: 4rem 0;
    background-color: var(--light-bg);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-category h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-tag {
    background-color: white;
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.tech-tag:hover {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* Company Info Section */
.company-info-section {
    padding: 4rem 0;
}

.company-info-table {
    max-width: 800px;
    margin: 0 auto;
}

.company-info-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    overflow: hidden;
}

.company-info-table th,
.company-info-table td {
    padding: 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.company-info-table th {
    background-color: var(--light-bg);
    font-weight: 600;
    color: var(--primary-color);
    width: 30%;
}

.company-info-table tr:last-child th,
.company-info-table tr:last-child td {
    border-bottom: none;
}

/* CEO Message Section */
.ceo-message-section {
    padding: 4rem 0;
    background-color: var(--light-bg);
}

.ceo-message-content {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 3rem;
    align-items: flex-start;
}

.ceo-photo {
    flex-shrink: 0;
}

.ceo-photo img {
    width: 200px;
    height: 280px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.ceo-message-text {
    flex: 1;
}

.ceo-message-text p {
    font-size: 1.125rem;
    line-height: 2;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.ceo-signature {
    text-align: right;
    font-weight: 600;
    margin-top: 2rem;
    color: var(--primary-color);
}

.ceo-social {
    margin-top: 1.5rem;
    text-align: right;
}

/* Contact Section */
.contact-section {
    padding: 4rem 0;
}

.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-text {
    font-size: 1.125rem;
    line-height: 2;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.contact-buttons {
    margin-top: 2rem;
}

.contact-button-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-note {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

.contact-buttons-single {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.contact-buttons-row {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

@media (max-width: 768px) {
    .contact-buttons-row {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

.btn-small {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
}

.cta-button-container .btn + .btn {
    margin-top: 0.75rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .company-hero-title {
        font-size: 2rem;
    }

    .company-hero-subtitle {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

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

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

    .tech-categories {
        grid-template-columns: 1fr;
    }

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

    .flow-arrow {
        transform: rotate(90deg);
    }

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

    .main-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }

    .company-info-table th {
        width: 35%;
        font-size: 0.875rem;
    }

    .company-info-table th,
    .company-info-table td {
        padding: 1rem;
    }

    .ceo-message-content {
        padding: 2rem;
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .ceo-photo img {
        width: 150px;
        height: 210px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .timeline-header,
    .timeline-phases {
        grid-template-columns: 1fr;
    }

    /* DevOps Camp Responsive */
    .learning-phases-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .category-courses {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .course-catalog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .category-title {
        font-size: 1.4rem;
    }

    .course-title {
        font-size: 0.95rem;
        padding: 0.6rem 0.8rem;
    }

    .course-desc {
        font-size: 0.85rem;
    }

    .course-content-title {
        font-size: 0.95rem;
    }

    .course-content-list ul li {
        font-size: 0.85rem;
        padding: 0.4rem 0;
        padding-left: 1.5rem;
    }

    .tech-icon-medium {
        width: 70px;
        height: 70px;
    }

    .course-badge {
        font-size: 0.65rem;
        padding: 0.3rem 0.6rem;
        right: 0.3rem;
    }

    .phase-badge {
        font-size: 0.7rem;
        padding: 0.35rem 0.7rem;
    }

    .plan-icon-1on1 {
        flex-direction: column;
        gap: 0.5rem;
    }

    .plan-icon-arrow {
        flex-direction: row;
    }

    .arrow-symbol {
        font-size: 1.5rem;
        transform: rotate(90deg);
    }

    .pricing-card {
        padding: 1.5rem;
    }

    .plan-price {
        font-size: 2rem;
    }

    .cta-button-container {
        margin-bottom: 1rem;
    }

    .btn-cta.btn-large {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 481px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 2rem 0;
    }

    .problem-section,
    .service-overview,
    .devops-concept,
    .pricing-section,
    .course-content,
    .instructor-section,
    .faq-section,
    .registration-section {
        padding: 2rem 0;
    }

    .btn {
        padding: 0.875rem 2rem;
        font-size: 0.875rem;
    }

    .btn-cta {
        padding: 1rem 2rem;
        font-size: 1rem;
    }

    /* DevOps Camp Small Screen */
    .section-title {
        font-size: 1.5rem;
    }

    .tech-icon-medium {
        width: 60px;
        height: 60px;
    }

    .course-item {
        padding: 1.2rem;
    }

    .course-content-list {
        margin-top: 0.8rem;
        padding-top: 0.8rem;
    }

    .plan-features li {
        font-size: 0.85rem;
        padding: 0.4rem 0;
    }

    .recommended-badge {
        font-size: 0.75rem;
        padding: 0.4rem 1rem;
        top: -12px;
        right: 10px;
    }

    .plan-icon-image {
        width: 80px;
        height: 80px;
    }

    .portfolio-item {
        padding: 1.5rem;
    }

    .portfolio-tech-section {
        margin-top: 1rem;
    }

    .faq-question {
        font-size: 0.95rem;
        padding: 1rem;
    }

    .faq-answer {
        font-size: 0.85rem;
        padding: 1rem;
    }

    /* Instructor Section Responsive */
    .instructor-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 2rem;
        gap: 1.5rem;
    }

    .instructor-photo img {
        width: 180px;
        height: 250px;
    }

    .instructor-info {
        width: 100%;
    }

    .instructor-profile {
        text-align: left;
    }

    .instructor-profile li {
        line-height: 1.8;
    }
}
/* Target Audience Section */
.target-section {
    padding: 4rem 0;
    background-color: #f8f9fa;
}

.target-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.target-item {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.target-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.target-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
    flex-shrink: 0;
}

.target-text {
    font-size: 1.05rem;
    font-weight: 600;
    color: #2c5282;
    line-height: 1.6;
    margin: 0;
}

.target-highlight {
    color: #e53e3e;
    font-weight: 700;
    background: linear-gradient(transparent 60%, #fef08a 60%);
    padding: 0 0.2em;
}

/* Price Campaign Styles */
.price-campaign {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.campaign-badge {
    background: linear-gradient(135deg, #ff6b6b, #ee5a5a);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
}

.campaign-deadline {
    color: #ff6b6b;
    font-size: 1rem;
    font-weight: bold;
}

.price-discount-note {
    color: #ff6b6b;
    font-size: 1.2rem;
    font-weight: bold;
    margin: 0.5rem 0 1.5rem;
    text-align: center;
}

/* Mid-page CTA Section */
.mid-cta-container {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    margin-top: 3rem;
    border: 2px solid #17a2b8;
}

.mid-cta-text {
    font-size: 1.3rem;
    font-weight: bold;
    color: #2c5282;
    margin-bottom: 1.5rem;
}

.mid-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.mid-cta-buttons .btn {
    min-width: 200px;
    font-size: 1rem;
    padding: 1rem 2rem;
}

/* Responsive for Target Section */
@media (max-width: 900px) {
    .target-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .target-grid {
        grid-template-columns: 1fr;
    }
    
    .target-item {
        padding: 1.2rem;
    }

    .target-icon {
        width: 60px;
        height: 60px;
    }
    
    .target-text {
        font-size: 0.9rem;
    }
    
    .price-campaign {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .mid-cta-container {
        padding: 1.5rem;
    }
    
    .mid-cta-text {
        font-size: 1.1rem;
    }
    
    .mid-cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .mid-cta-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
}