section.section {
    padding: 100px 0;
    margin-top: 0;
    position: relative;
    width: 100%;
    overflow: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.eyebrow {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #3498db;
    margin-bottom: 10px;
    display: inline-block;
}

.heading-xl {
    font-size: 64px;
    line-height: 1.1;
    font-weight: 700;
    margin-bottom: 30px;
}

.heading-lg {
    font-size: 48px;
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: 20px;
}

.heading-md {
    font-size: 24px;
    line-height: 1.4;
    font-weight: 700;
    margin-bottom: 15px;
}

.body-text {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.btn a {
    display: inline-block;
    padding: 16px 32px;
    font-weight: 700;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    border-radius: 0;
}

.btn-primary a {
    background-color: #3498db;
    color: white;
}

.btn-primary a:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.2);
}

.btn-secondary a {
    background-color: transparent;
    border: 2px solid #fff;
    color: #fff;
}

.btn-secondary a:hover {
    background-color: #fff;
    color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.2);
}

/* Hero Section (from ミニマリストアプローチ) */
.hero {
    height: 90vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    background-image: url("/wp-content/uploads/2025/05/ses_hero.jpg");
    background-size: cover;
    background-position: center;
    color: white;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(44, 62, 80, 0.4);
}

.hero-content {
    max-width: none;
    background: none;
    padding: 0;
    backdrop-filter: none;
    position: relative;
    z-index: 1;
    grid-column: 1 / span 8;
}

.hero-content p {
    text-shadow: 0px 0px 2px #222;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-top: 40px;
}

/* About Section (from グラフィカルミニマル) */
.about {
    background-color: #fff;
    position: relative;
    overflow: hidden;
}

.about::before {
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    background-color: rgba(52, 152, 219, 0.05);
    border-radius: 50%;
    top: -150px;
    left: -100px;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 40px;
}

.about-content {
    grid-column: 1 / span 6;
    position: relative;
    z-index: 1;
}

.about-pattern {
    grid-column: 8 / span 5;
    position: relative;
}

.pattern-square {
    width: 300px;
    height: 300px;
    border: 10px solid #ecf0f1;
    position: absolute;
    top: -50px;
    right: 0;
}

.pattern-circle {
    width: 200px;
    height: 200px;
    border: 10px solid #3498db;
    border-radius: 50%;
    position: absolute;
    bottom: -50px;
    left: 50px;
    opacity: 0.2;
}

/* Features Section (from グラフィカルミニマル) */
.features {
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.features::after {
    content: "";
    position: absolute;
    width: 400px;
    height: 400px;
    background-color: rgba(52, 152, 219, 0.05);
    border-radius: 50%;
    bottom: -200px;
    right: -200px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 40px;
}

.features-heading {
    grid-column: 1 / span 12;
    margin-bottom: 60px;
}

.feature-card {
    background-color: white;
    padding: 40px;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-card::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 4px;
    background-color: #3498db;
    top: 0;
    left: 0;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

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

.feature-1 {
    grid-column: 1 / span 4;
}

.feature-2 {
    grid-column: 5 / span 4;
}

.feature-3 {
    grid-column: 9 / span 4;
}

.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(52, 152, 219, 0.1);
    color: #3498db;
    border-radius: 50%;
    margin-bottom: 20px;
    font-weight: 700;
    font-size: 24px;
    transition: all 0.3s ease;
}

/* Training Section (from グラフィカルミニマル) */
.training {
    background-color: #2c3e50;
    color: white;
    position: relative;
    overflow: hidden;
}

.training::before {
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    background-color: rgba(52, 152, 219, 0.2);
    border-radius: 50%;
    top: -150px;
    right: 10%;
}

.training-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 40px;
}

.training-heading {
    grid-column: 1 / span 12;
    text-align: center;
    margin-bottom: 80px;
}

.training-cards {
    grid-column: 1 / span 12;
    display: flex;
    gap: 20px;
    perspective: 1000px;
    margin-top: 0;
}

.training-card {
    flex: 1;
    padding: 30px;
    margin-top: 0;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    position: relative;
    transition: all 0.5s ease;
    transform-style: preserve-3d;
    min-height: 300px;
}

.card-front,
.card-back {
    backface-visibility: hidden;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 25px;
    margin-top: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-back {
    transform: rotateY(180deg);
    background-color: #3498db;
}

.training-card:hover {
    transform: rotateY(180deg);
}

.step-number {
    font-size: 48px;
    font-weight: 700;
    color: #3498db;
    opacity: 0.5;
    margin-bottom: 20px;
}

.card-back .step-number {
    color: rgba(255, 255, 255, 0.5);
}

.training-tagline {
    grid-column: 1 / span 12;
    text-align: center;
    margin-top: 60px;
    font-size: 36px;
    font-weight: 700;
    color: #3498db;
}

/* Case Studies Section (from グラフィカルミニマル) */
.case-studies {
    background-color: #fff;
    position: relative;
    overflow: hidden;
}

.case-studies::after {
    content: "";
    position: absolute;
    width: 400px;
    height: 400px;
    border: 20px solid rgba(52, 152, 219, 0.05);
    border-radius: 50%;
    bottom: -200px;
    left: -200px;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 40px;
}

.case-heading {
    grid-column: 1 / span 12;
    margin-bottom: 60px;
}

.case-content {
    grid-column: 1 / span 12;
}

.case-slider {
    position: relative;
    overflow: hidden;
}

.case-track {
    display: flex;
    transition: transform 0.5s ease;
}

.case-slide {
    min-width: 100%;
    display: flex;
    gap: 30px;
}

.case-company {
    flex: 1;
    padding: 40px;
    background-color: #f8f9fa;
    border-radius: 4px;
    transition: all 0.3s ease;
    margin-top: 0;
}

.case-company:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(44, 62, 80, 0.1);
}

.company-logo {
    aspect-ratio: 16 / 9;
    position: relative;
    margin-bottom: 20px;
    overflow: hidden;
}

.company-logo img {
    position: absolute;
}

.company-logo.company-a img {
    top: -40%;
}

.company-logo.company-c img {
    bottom: 0;
}

.case-nav {
    display: flex;
    justify-content: center;
    margin-top: 40px;
    gap: 10px;
    display: none; /* 修正予定 */
}

.case-arrow {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f9fa;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.case-arrow:hover {
    background-color: #3498db;
    color: white;
}

/* Process Section (from アシンメトリカルバランス) */
.process {
    background-color: white;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 40px;
}

.process-heading {
    grid-column: 1 / span 5;
}

.process-steps {
    grid-column: 7 / span 6;
}

.step-item {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    position: relative;
}

.step-item:last-child {
    margin-bottom: 0;
}

.step-number-box {
    flex: 0 0 60px;
    width: 60px;
    height: 60px;
    background-color: #3498db;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 24px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.step-item:hover .step-number-box {
    transform: scale(1.1);
    box-shadow: 0 10px 20px rgba(52, 152, 219, 0.2);
}

.step-details {
    flex: 1;
}

.step-item::after {
    content: "";
    position: absolute;
    left: 30px;
    top: 60px;
    width: 2px;
    height: calc(100% - 20px);
    background-color: #ecf0f1;
    z-index: -1;
}

.step-item:last-child::after {
    display: none;
}

/* CTA Section */
.cta {
    background-color: #3498db;
    color: white;
    text-align: center;
}

.cta-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 40px;
}

.cta-content {
    grid-column: 3 / span 8;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.btn-cta-primary a {
    background-color: white;
    color: #3498db;
}

.btn-cta-primary a:hover {
    background-color: #ecf0f1;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.btn-cta-secondary a {
    background-color: transparent;
    border: 2px solid white;
    color: white;
}

.btn-cta-secondary a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

/* FAQ Section (from グラフィカルミニマル) */
.faq {
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.faq::before {
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    background-color: rgba(52, 152, 219, 0.05);
    border-radius: 50%;
    bottom: -150px;
    right: -150px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 40px;
}

.faq-heading {
    grid-column: 1 / span 12;
    margin-bottom: 60px;
}

.faq-content {
    grid-column: 2 / span 10;
}

.faq-item {
    background-color: white;
    margin-bottom: 20px;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(44, 62, 80, 0.05);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 10px 30px rgba(44, 62, 80, 0.1);
}

.faq-question {
    padding: 20px;
    font-weight: 700;
    font-size: 18px;
    cursor: pointer;
    position: relative;
    padding-right: 50px;
}

.faq-question::after {
    content: "+";
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
    transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px;
    max-height: 1000px;
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .heading-xl {
        font-size: 48px;
    }

    .heading-lg {
        font-size: 36px;
    }

    .feature-1,
    .feature-2,
    .feature-3 {
        grid-column: span 4;
    }

    .training-cards {
        flex-wrap: wrap;
    }

    .training-card {
        min-width: calc(50% - 10px);
    }

    .process-heading {
        grid-column: 1 / span 12;
        margin-bottom: 40px;
    }

    .process-steps {
        grid-column: 1 / span 12;
    }

    .about-content {
        grid-column: 1 / span 8;
    }

    .about-pattern {
        grid-column: 9 / span 4;
    }
}

@media (max-width: 992px) {
    .section {
        padding: 70px 0;
    }

    .about-content {
        grid-column: 1 / span 12;
    }

    .about-pattern {
        display: none;
    }

    .feature-1,
    .feature-2,
    .feature-3 {
        grid-column: 1 / span 12;
    }

    .case-slide {
        flex-direction: column;
    }

    .cta-content {
        grid-column: 1 / span 12;
    }
}

@media (max-width: 768px) {
    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .training-card {
        min-width: 100%;
        margin-bottom: 20px;
    }
}

@media (max-width: 576px) {
    .about-grid,
    .features-grid,
    .training-grid,
    .case-grid,
    .process-grid,
    .cta-grid,
    .faq-grid {
        display: block;
    }
}