/* Reset and Base Styles */
:root {
    --primary-color: #2c5aa0;
    --secondary-color: #1A2B49;
    --accent-color: #4C89FF;
    --background-light: #f8fafc;
    --text-color: #1e293b;
    --text-light: #64748b;
    --white: #ffffff;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --max-width: 1200px;
    --header-height: 80px;
    --cta-gradient-start: #ff9966;
    --cta-gradient-end: #ff5e62;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "IBM Plex Sans JP", sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

/* Common Styles */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 2.5rem;
    line-height: 1.4;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--secondary-color);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
    position: relative;
}

.header-logo-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.5rem 0;
}

.header-logo {
    width: 215px;
}

.header-service-name {
    font-family: "IBM Plex Sans JP", sans-serif;
    font-size: 0.75rem;
    color: #64748b;
    margin-top: 0.2rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.header-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.nav-cta-button {
    background: linear-gradient(0deg, var(--cta-gradient-end), var(--cta-gradient-start));
    color: var(--white) !important;
    padding: 0.6rem 1.2rem;
    border-radius: 1.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 2px 8px rgba(255, 94, 98, 0.2);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    text-decoration: none;
}

.nav-cta-button::after {
    display: none;
}

.nav-cta-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 94, 98, 0.3);
    filter: brightness(1.05);
    color: var(--white) !important;
}

.nav-icon {
    width: 12px;
    height: 12px;
    transition: transform 0.3s ease;
}

.nav-cta-button:hover .nav-icon {
    transform: translateX(2px);
}

/* Hero Section */
.hero {
    height: 77vh;
    color: var(--white);
    position: relative;
    padding-top: var(--header-height);
    overflow: hidden;
    background-color: #000;
}

.hero-video {
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100% - var(--header-height));
    object-fit: cover;
    object-position: center center;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
}

.hero-text {
    max-width: 800px;
}

.hero-text h1 {
    font-size: 5rem;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    font-weight: 700;
    opacity: 0;
    animation: textSlideIn 0.8s ease-out forwards;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.8);
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    opacity: 0;
    font-weight: 500;
    animation: textSlideIn 0.8s ease-out 0.3s forwards;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0;
    animation: textSlideIn 0.8s ease-out 0.5s forwards;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    line-height: 1.6;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

/* Button Styles */
.cta-button {
    display: inline-flex;
    align-items: center;
    padding: 1.25rem 2.5rem;
    background: linear-gradient(0deg, var(--cta-gradient-end), var(--cta-gradient-start));
    color: var(--white);
    text-decoration: none;
    border-radius: 2rem;
    font-weight: bold;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    opacity: 0;
    animation: textSlideIn 0.8s ease-out 0.7s forwards;
    border: none;
    box-shadow: 0 4px 12px rgba(255, 94, 98, 0.25);
    position: relative;
    overflow: hidden;
    gap: 0.5rem;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            rgba(255, 255, 255, 0) 0%,
            rgba(255, 255, 255, 0.2) 50%,
            rgba(255, 255, 255, 0) 100%);
    transform: skewX(-25deg);
    transition: all 0.75s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 94, 98, 0.3);
    filter: brightness(1.05);
}

.cta-button:hover::before {
    left: 100%;
}

.button-icon {
    width: 16px;
    height: 16px;
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.cta-button:hover .button-icon {
    transform: translateX(4px);
}

/* Problem Section */
.problem-section {
    padding: 6rem 2rem;
    background-color: var(--background-light);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.problem-item {
    background-color: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.problem-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.problem-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--background-light);
    border-radius: 50%;
}

.problem-icon img {
    width: 80%;
    height: auto;
}

.problem-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.problem-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Solution Section */
.solution-section {
    padding: 6rem 2rem;
    background-color: var(--white);
}

.solution-content {
    max-width: 1000px;
    margin: 0 auto;
}

.solution-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 3rem;
}

.solution-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.solution-image img {
    width: 100%;
    height: auto;
    display: block;
}

.solution-text h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    line-height: 1.4;
}

.solution-list {
    list-style: none;
    padding: 0;
}

.solution-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-color);
    font-size: 1.1rem;
    line-height: 1.6;
}

.solution-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.solution-note {
    background-color: var(--background-light);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border-left: 4px solid var(--primary-color);
}

.solution-note p {
    font-size: 1.1rem;
    color: var(--text-color);
    font-weight: 500;
    margin: 0;
}

/* Benefits Section */
.benefits-section {
    padding: 6rem 2rem;
    background-color: var(--background-light);
}

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

.benefit-category {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.benefit-category:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.benefit-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--background-light);
    border-radius: 50%;
}

.benefit-icon img {
    width: 80%;
    height: auto;
}

.benefit-category h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

.benefit-list {
    text-align: left;
}

.benefit-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.benefit-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.benefit-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.benefit-item p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Target Section */
.target-section {
    padding: 6rem 2rem;
    background-color: var(--white);
}

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

.target-item {
    background-color: var(--background-light);
    padding: 2.5rem;
    border-radius: 16px;
    position: relative;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.target-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.target-number {
    position: absolute;
    top: -1rem;
    left: 2rem;
    background: var(--primary-color);
    color: var(--white);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.target-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    margin-top: 1rem;
}

.target-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Participants Section */
.participants-section {
    padding: 6rem 2rem;
    background-color: var(--background-light);
}

.participants-content {
    max-width: 1000px;
    margin: 0 auto;
}

.participants-motivation {
    margin-bottom: 4rem;
}

.participants-motivation h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 3rem;
}

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

.motivation-item {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
}

.motivation-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.motivation-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--background-light);
    border-radius: 50%;
}

.motivation-icon img {
    width: 90%;
    height: auto;
}

.motivation-item h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.motivation-item p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

.participants-profile h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 2rem;
}

.profile-list {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.profile-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

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

.profile-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.profile-item p {
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
}

/* Requirements Section */

.requirements-section {
    padding: 6rem 2rem;
    background-color: var(--white);
}

.requirements-content {
    max-width: 1000px;
    margin: 0 auto;
}






.requirements-section {
    padding: 6rem 2rem;
    background-color: var(--background-light);
}

.requirements-wrapper {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.requirements-card {
    background: var(--white);
    border-radius: 20px;
    padding: 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.requirements-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 2.5rem 2.5rem 2rem;
    text-align: center;
}

.requirements-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
}

.requirements-header p {
    opacity: 0.9;
    font-size: 1rem;
    margin: 0;
}

.requirements-details {
    padding: 2.5rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

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

.detail-label {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 1rem;
}

.detail-icon {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.detail-value {
    font-weight: 700;
    color: var(--text-color);
    font-size: 1.1rem;
    text-align: right;
}

.detail-sub {
    display: block;
    font-weight: 400;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 0.2rem;
}

.pricing-section {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.pricing-main {
    padding: 2.5rem;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-badge {
    background: linear-gradient(135deg, var(--cta-gradient-start), var(--cta-gradient-end));
    color: var(--white);
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.pricing-header h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin: 0;
}

.pricing-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.price-normal,
.price-special {
    text-align: center;
}

.price-normal .price-label {
    font-size: 0.9rem;
    color: var(--text-light);
    display: block;
    margin-bottom: 0.5rem;
}

.price-normal .price-amount {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-light);
    text-decoration: line-through;
}

.price-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.price-special .price-label {
    font-size: 0.9rem;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.price-special .price-amount {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.price-saving {
    background: var(--success-color);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-top: 0.5rem;
}

.pricing-note {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.pricing-note p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}



/* FAQ Section */
.faq-section {
    padding: 6rem 2rem;
    background-color: var(--background-light);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.faq-item.is-open .faq-icon {
    transform: rotate(45deg);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--secondary-color);
    transition: all 0.3s ease;
}

.faq-question:hover {
    background-color: var(--background-light);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-answer {
    height: 0;
    overflow: hidden;
    transition: height 0.3s ease;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-top: 1rem;
}

/* CTA Section */
.cta-section {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

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

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-note {
    font-size: 0.9rem !important;
    margin-top: 2rem !important;
    opacity: 0.7 !important;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.footer-logo {
    width: 200px;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-info address {
    font-style: normal;
    color: var(--text-light);
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-links h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

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

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.copyright {
    text-align: center;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
}


.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    gap: 4px;
}

.hamburger-line {
    width: 20px;
    height: 2px;
    background: var(--text-color);
    transition: all 0.3s ease;
    transform-origin: center;
}

.hamburger-menu.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

.hamburger-menu.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
}





/* Animations */
@keyframes textSlideIn {
    0% {
        opacity: 0;
        transform: translateX(-30px);
    }

    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ScrollReveal */
.scroll-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}







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

/* タブレット (768px以下) */
@media screen and (max-width: 768px) {

    /* Container */
    .container {
        padding: 0 1.5rem;
    }

    /* Header */
    .header .container {
        height: 70px;
    }

    .header-logo {
        width: 180px;
    }

    .header-service-name {
        font-size: 0.7rem;
    }

    .header-nav {
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 0.9rem;
    }

    .nav-cta-button {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    /* Hero Section */
    .hero {
        height: 70vh;
        padding-top: 70px;
    }

    .hero-video {
        top: 70px;
        height: calc(100% - 70px);
    }

    .hero-text h1 {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        font-size: 1.4rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

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

    /* Section titles */
    .section-title {
        font-size: 2rem;
    }

    /* Problem Section */
    .problem-section {
        padding: 4rem 1.5rem;
    }

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

    /* Solution Section */
    .solution-section {
        padding: 4rem 1.5rem;
    }

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

    .solution-text h3 {
        font-size: 1.5rem;
    }

    /* Benefits Section */
    .benefits-section {
        padding: 4rem 1.5rem;
    }

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

    .benefit-category {
        padding: 2rem;
    }

    /* Target Section */
    .target-section {
        padding: 4rem 1.5rem;
    }

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

    /* Participants Section */
    .participants-section {
        padding: 4rem 1.5rem;
    }

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

    /* Requirements Section */
    .requirements-section {
        padding: 4rem 1.5rem;
    }

    .requirements-wrapper {
        gap: 2rem;
    }

    .requirements-header {
        padding: 2rem;
    }

    .requirements-details {
        padding: 2rem;
    }

    .detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 1rem 0;
    }

    .detail-value {
        text-align: left;
    }

    .pricing-comparison {
        flex-direction: column;
        gap: 1rem;
    }

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

    /* FAQ Section */
    .faq-section {
        padding: 4rem 1.5rem;
    }

    /* CTA Section */
    .cta-section {
        padding: 4rem 1.5rem;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    /* Footer */
    .footer {
        padding: 3rem 1.5rem 2rem;
    }

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

/* スマートフォン (480px以下) */
@media screen and (max-width: 480px) {

    /* Container */
    .container {
        padding: 0 1rem;
    }

    /* Header */
    .header .container {
        height: 60px;
        flex-direction: column;
        align-items: flex-start;
        padding: 0.5rem 1rem;
    }

    .header-logo-container {
        padding: 0;
    }

    .header-logo {
        width: 150px;
    }

    .header-service-name {
        font-size: 0.52rem;
        margin-top: 0.1rem;
    }




    /* Hero Section */
    .hero {
        height: 60vh;
        padding-top: 60px;
    }

    .hero-video.pc-only {
        display: none !important;
    }

    .hero-video.sp-only {
        display: block !important;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        height: calc(100% - 60px);
        object-fit: cover;
        object-position: center center;
        z-index: 0;
    }

    .hero-video {
        top: 60px;
        height: calc(100% - 60px);
    }

    .hero-text h1 {
        font-size: 2.3rem;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 0.8rem;
    }

    .hero-description {
        font-size: 0.9rem;
        margin-bottom: 2rem;
    }

    .cta-button {
        padding: 0.9rem 1.5rem;
        font-size: 0.95rem;
        width: 100%;
        justify-content: center;
    }

    /* Section titles */
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }

    /* All sections */
    .problem-section,
    .solution-section,
    .benefits-section,
    .target-section,
    .participants-section,
    .requirements-section,
    .faq-section,
    .cta-section {
        padding: 3rem 1rem;
    }

    /* Problem Section */
    .problem-item {
        padding: 2rem 1.5rem;
    }

    .problem-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 1rem;
    }

    .problem-item h3 {
        font-size: 1.2rem;
    }

    /* Solution Section */
    .solution-text h3 {
        font-size: 1.3rem;
        margin-bottom: 1.5rem;
    }

    .solution-list li {
        font-size: 1rem;
        padding: 0.6rem 0;
        padding-left: 1.8rem;
    }

    .solution-note {
        padding: 1.5rem;
    }

    .solution-note p {
        font-size: 1rem;
    }

    /* Benefits Section */
    .benefit-category {
        padding: 1.5rem;
    }

    .benefit-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 1rem;
    }

    .benefit-category h3 {
        font-size: 1.2rem;
        margin-bottom: 1.5rem;
    }

    /* Target Section */
    .target-item {
        padding: 2rem 1.5rem;
    }

    .target-item h3 {
        font-size: 1.2rem;
    }

    /* Participants Section */
    .participants-motivation h3,
    .participants-profile h3 {
        font-size: 1.6rem;
        margin-bottom: 2rem;
    }

    .motivation-item {
        padding: 1.5rem;
    }

    .motivation-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 1rem;
    }

    .motivation-item h4 {
        font-size: 1.1rem;
    }

    .profile-list {
        padding: 2rem 1.5rem;
    }

    .profile-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        text-align: left;
    }

    .profile-icon {
        font-size: 1.5rem;
    }

    /* Requirements Section */
    .requirements-header {
        padding: 1.5rem;
    }

    .requirements-header h3 {
        font-size: 1.5rem;
    }

    .requirements-details {
        padding: 1.5rem;
    }

    .detail-label {
        font-size: 0.9rem;
    }

    .detail-value {
        font-size: 1rem;
    }

    .pricing-main {
        padding: 2rem 1.5rem;
    }

    .pricing-header h3 {
        font-size: 1.4rem;
    }

    .price-special .price-amount {
        font-size: 2.2rem;
    }

    /* FAQ Section */
    .faq-question {
        padding: 1.2rem;
        font-size: 0.95rem;
    }

    .faq-answer p {
        padding: 0 1.2rem 1.2rem;
        font-size: 0.9rem;
    }

    /* CTA Section */
    .cta-content h2 {
        font-size: 1.8rem;
        line-height: 1.3;
    }

    .cta-content p {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }

    .cta-note {
        font-size: 0.85rem !important;
        margin-top: 1.5rem !important;
    }

    /* Footer */
    .footer {
        padding: 2rem 1rem 1.5rem;
    }

    .footer-logo {
        width: 150px;
    }

    .footer-content {
        text-align: center;
    }

    .footer-nav {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
}

/* 極小スマートフォン (360px以下) */
@media screen and (max-width: 360px) {
    .hero-text h1 {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .cta-button {
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
    }

    /* 各セクションの余白をさらに調整 */
    .problem-section,
    .solution-section,
    .benefits-section,
    .target-section,
    .participants-section,
    .requirements-section,
    .faq-section,
    .cta-section {
        padding: 2.5rem 0.8rem;
    }
}



@media screen and (max-width: 768px) {
    .hamburger-menu {
        display: flex;
    }

    .header-nav {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        height: calc(100vh - 60px);
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 3rem;
        gap: 0;
        z-index: 999;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        display: flex;
    }

    .header-nav.mobile-menu-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .header-nav .nav-link {
        font-size: 1.2rem;
        padding: 1.2rem 0;
        width: 85%;
        text-align: center;
        border-bottom: 1px solid rgba(44, 90, 160, 0.1);
        transform: translateY(20px);
        opacity: 0;
        transition: all 0.3s ease;
        transition-delay: 0s;
    }

    .header-nav.mobile-menu-open .nav-link {
        transform: translateY(0);
        opacity: 1;
    }

    .header-nav.mobile-menu-open .nav-link:nth-child(1) {
        transition-delay: 0.1s;
    }

    .header-nav.mobile-menu-open .nav-link:nth-child(2) {
        transition-delay: 0.15s;
    }

    .header-nav.mobile-menu-open .nav-link:nth-child(3) {
        transition-delay: 0.2s;
    }

    .header-nav.mobile-menu-open .nav-link:nth-child(4) {
        transition-delay: 0.25s;
    }

    .header-nav.mobile-menu-open .nav-link:nth-child(5) {
        transition-delay: 0.3s;
    }

    .header-nav .nav-cta-button {
        margin-top: 2rem;
        padding: 1.2rem 2.5rem;
        font-size: 1rem;
        transform: translateY(30px);
        opacity: 0;
        transition: all 0.4s ease;
        transition-delay: 0s;
        border-bottom: none;
    }

    .header-nav.mobile-menu-open .nav-cta-button {
        transform: translateY(0);
        opacity: 1;
        transition-delay: 0.35s;
    }

    .header-nav .nav-link:hover {
        background: rgba(44, 90, 160, 0.05);
        color: var(--primary-color);
        transform: translateY(0) scale(1.02);
    }
}

@media screen and (max-width: 480px) {
    .header .container {
        justify-content: space-between;
        align-items: center;
        height: 60px;
        flex-direction: row;
        padding: 0 1rem;
    }

    .header-logo-container {
        flex: 1;
    }

    .hamburger-menu {
        flex-shrink: 0;
    }
}


/* Header対策 */

header {
	    margin-top: 26px;
}
	    
@media screen and (max-width:768px) {
header {
	    margin-top: 0px;
	}
}

/* サイトシール対策 20250707改訂*/

.corporate_logo {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 20px 10px;
  display: flex;
  justify-content: start;
}

.corporate_logo img {
  height: 18px;
  width: auto;

}

@media only screen and (max-width: 768px) {
  .corporate_logo {
    justify-content: center;
  }
}

.site_seal {
  display: flex;
  justify-content: center;
  flex-direction: row;
}

.site_seal img{
    width: 115px;
    height: 57px;
}
.site_seal div.site_seal_left {
  padding: 40px 5px 40px 115px;
}
.site_seal div.site_seal_center {
  padding: 40px 5px 0px 5px;
}
.site_seal div.site_seal_right {
  padding: 40px 115px 40px 5px;
}

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

  .site_seal {
    width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    flex-direction: row;
    align-items: center;
  }


  .site_seal a {
    display: block !important;
  }

  .site_seal div.site_seal_left {
    padding: 40px 5px 40px 0px;
  }
  .site_seal div.site_seal_center {
    padding: 0px 5px 0px 5px;
  }
  .site_seal div.site_seal_right {
    padding: 40px 0px 40px 5px;
  }

}

.footer_area_bg {
  background-color: #fff;

}