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

:root {
    --color-white: #FFFFFF;
    --color-dark: #111111;
    --color-text-body: #111111;
    --color-text-body-secondary: #333333;
    --color-text-body-emphasis: #1A73E8;
    --color-bg-body: #FAFAFA;
    --color-bg-body-secondary: #F3F3F3;
    --color-bg-body-tertiary: #1A73E8;
    --color-border: #F5F5F5;
    --font-family: 'Noto Sans JP', sans-serif;
}

body {
    font-family: var(--font-family);
    color: var(--color-text-body);
    background-color: var(--color-white);
    line-height: 1.75;
    font-size: 16px;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: var(--color-white);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-dark);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 36px;
    font-weight: 900;
    color: var(--color-text-body-emphasis);
    letter-spacing: 0.02em;
}

.logo:hover .logo-text {
    opacity: 0.8;
}

.logo-image {
    height: 140px;
    width: auto;
    object-fit: contain;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-body);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--color-text-body-emphasis);
}

.btn-contact {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: 10px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    transition: opacity 0.3s;
}

.btn-contact:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 80px 0 60px;
    background-color: var(--color-white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-bg-image {
    width: 100%;
    height: 676px;
    object-fit: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-text {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.hero-label {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-body-emphasis);
    letter-spacing: 0.1em;
    padding: 8px 20px;
    background-color: rgba(26, 115, 232, 0.1);
    border-radius: 50px;
}

.hero-title {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.05em;
    color: var(--color-text-body);
    text-align: center;
}

.hero-description {
    font-size: 16px;
    line-height: 1.75;
    color: var(--color-text-body);
    max-width: 800px;
}

.hero-buttons {
    display: flex;
    gap: 24px;
    align-items: center;
}

.hero-image {
    max-width: 742px;
    width: 100%;
}

.hero-image img {
    width: 100%;
    height: auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    transition: all 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-outline {
    background-color: var(--color-white);
    color: var(--color-text-body);
    border: 2px solid var(--color-text-body);
}

.btn-outline:hover {
    background-color: var(--color-text-body);
    color: var(--color-white);
}

.btn-outline-dark {
    background-color: var(--color-white);
    color: var(--color-text-body);
    border: 2px solid var(--color-dark);
}

.btn-outline-dark:hover {
    background-color: var(--color-dark);
    color: var(--color-white);
}

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

.btn-primary:hover {
    opacity: 0.8;
}

.btn-primary-lg {
    background-color: var(--color-bg-body-tertiary);
    color: var(--color-white);
    padding: 20px 80px;
    font-size: 20px;
}

.btn-primary-lg:hover {
    opacity: 0.9;
}

.btn-outline-lg {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
    padding: 20px 80px;
    font-size: 20px;
}

.btn-outline-lg:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

/* Section Styles */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.section-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text-body-emphasis);
    letter-spacing: 0.05em;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.05em;
    color: var(--color-text-body);
}

/* Problem & Solution Sections */
.problem {
    background-color: var(--color-white);
}

.solution {
    background-color: var(--color-white);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1116px;
    margin: 0 auto;
}

.card {
    background-color: var(--color-bg-body);
    padding: 40px 20px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
    text-align: center;
}

.card-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.05em;
    color: var(--color-text-body);
}

.card-image {
    width: 227px;
    height: 168px;
    object-fit: cover;
    border-radius: 4px;
}

.card-description {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.75;
    color: var(--color-text-body);
    max-width: 316px;
}

/* Feature Section */
.feature {
    background-color: var(--color-bg-body);
}

.feature-grid {
    display: flex;
    justify-content: center;
    gap: 118px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 167px;
}

.feature-image {
    width: 167px;
    height: 124px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.78;
    text-align: center;
    color: var(--color-text-body);
}

/* Price Section */
.price {
    background-color: var(--color-white);
}

.price-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1116px;
    margin: 0 auto;
    align-items: stretch;
}

.price-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 0 30px 0;
    height: 100%;
}

.price-card-featured {
    background-color: var(--color-white);
    color: var(--color-text-body);
    border: 2px solid var(--color-text-body-emphasis);
}

.price-header {
    width: 100%;
    padding: 20px;
    text-align: center;
    background-color: var(--color-bg-body);
    border-bottom: 1px solid var(--color-border);
}

.price-card-featured .price-header {
    background-color: var(--color-bg-body);
    border-bottom: none;
}

.price-label {
    font-size: 14px;
    color: var(--color-text-body);
    margin-bottom: 5px;
}

.price-card-featured .price-label {
    color: var(--color-dark);
}

.price-name {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.05em;
    color: var(--color-text-body);
}

.price-card-featured .price-name {
    color: var(--color-dark);
}

.price-content {
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 100%;
    flex-grow: 1;
}

.price-content .btn {
    margin-top: auto;
}

.price-amount {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.price-value {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.05em;
    color: var(--color-text-body);
}

.price-card-featured .price-value {
    color: var(--color-text-body);
}

.price-period {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-body-secondary);
}

.price-card-featured .price-period {
    color: var(--color-text-body-secondary);
}

.price-features {
    list-style: none;
    text-align: center;
    font-size: 16px;
    line-height: 1.75;
    color: var(--color-text-body-secondary);
}

.price-card-featured .price-features {
    color: var(--color-text-body-secondary);
}

.price-features li {
    margin-bottom: 8px;
}

/* Reason Section */
.reason {
    background-color: var(--color-bg-body-secondary);
}

.reason-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 1116px;
    margin: 0 auto;
}

.reason-item {
    display: flex;
    gap: 50px;
    align-items: center;
    background-color: var(--color-bg-body);
    padding: 30px;
    border-radius: 8px;
}

.reason-item-reverse {
    flex-direction: row-reverse;
}

.reason-image {
    flex: 0 0 449px;
}

.reason-image img {
    width: 100%;
    height: 302px;
    object-fit: cover;
    border-radius: 4px;
}

.reason-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.reason-header {
    display: flex;
    gap: 25px;
    align-items: flex-start;
}

.reason-number {
    width: 80px;
    height: 80px;
    background-color: var(--color-dark);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    font-size: 28px;
    font-weight: 700;
    color: var(--color-white);
    padding-top: 9px;
}

.reason-number::before {
    content: 'REASON';
    position: absolute;
    top: 15px;
    font-size: 10px;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.05em;
}

.reason-title {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.05em;
    color: var(--color-text-body);
    flex: 1;
}

.reason-description {
    font-size: 16px;
    line-height: 1.75;
    color: var(--color-text-body);
    max-width: 497px;
}

.reason-item-reverse .reason-description {
    max-width: 100%;
}

/* Case Section */
.case {
    background-color: var(--color-white);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1116px;
    margin: 0 auto;
}

.case-card {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.case-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 4px;
}

.case-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.case-tag {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
    line-height: 1.83;
}

.case-description {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.75;
    color: var(--color-text-body);
}

.case-company {
    font-size: 12px;
    color: var(--color-text-body-secondary);
    margin-top: auto;
}

/* FAQ Section */
.faq {
    background-color: var(--color-white);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 926px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-bg-body);
    padding: 30px 40px;
    border-radius: 8px;
}

.faq-question {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.05em;
    color: var(--color-text-body);
    margin-bottom: 20px;
}

.faq-answer {
    font-size: 16px;
    line-height: 1.75;
    color: var(--color-text-body-secondary);
}

/* CTA Section */
.cta {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.cta-bg-image {
    width: 100%;
    height: 511px;
    object-fit: cover;
}

.cta-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    max-width: 715px;
    margin: 0 auto;
    padding: 160px 20px;
    text-align: center;
}

.cta-title {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.45;
    letter-spacing: 0.05em;
    color: var(--color-white);
}

.cta-buttons {
    display: flex;
    gap: 4px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.cta-button-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.cta-label {
    font-size: 16px;
    color: var(--color-white);
}

/* Footer */
.footer {
    background-color: var(--color-bg-body);
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1116px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.footer-logo-text {
    font-size: 28px;
    font-weight: 900;
    color: var(--color-text-body-emphasis);
    letter-spacing: 0.02em;
}

.footer-logo:hover .footer-logo-text {
    opacity: 0.8;
}

.footer-logo-image {
    height: 100px;
    width: auto;
    object-fit: contain;
}

.footer-copyright {
    font-size: 10px;
    color: var(--color-text-body-secondary);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .card-grid,
    .price-grid,
    .case-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-grid {
        gap: 60px;
    }
}

@media (max-width: 768px) {
    /* Header mobile */
    .header-content {
        padding: 0 15px;
    }

    .header-nav {
        gap: 12px;
    }

    .nav-link {
        font-size: 12px;
        white-space: nowrap;
    }

    .btn-contact {
        padding: 8px 16px;
        font-size: 12px;
        white-space: nowrap;
    }

    .logo-text {
        font-size: 24px;
    }

    .hero-title {
        font-size: 28px;
    }

    .section-title {
        font-size: 24px;
    }

    .card-grid,
    .price-grid,
    .case-grid {
        grid-template-columns: 1fr;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    /* Reason section mobile */
    .reason-item,
    .reason-item-reverse {
        flex-direction: column;
        padding: 20px;
        gap: 20px;
    }

    .reason-image {
        flex: 1;
        width: 100%;
    }

    .reason-image img {
        height: 200px;
    }

    .reason-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }

    .reason-number {
        width: 60px;
        height: 60px;
        font-size: 20px;
    }

    .reason-number::before {
        font-size: 8px;
        top: 12px;
    }

    .reason-title {
        font-size: 22px;
    }

    .reason-description {
        font-size: 14px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .hero-content {
        flex-direction: column;
    }

    .hero-image {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    /* Header small mobile */
    .header-nav {
        gap: 8px;
    }

    .nav-link {
        font-size: 11px;
    }

    .btn-contact {
        padding: 6px 12px;
        font-size: 11px;
    }

    .logo-text {
        font-size: 20px;
    }

    .hero-title {
        font-size: 22px;
        line-height: 1.4;
    }

    .hero-description {
        font-size: 14px;
    }

    .section-title {
        font-size: 20px;
    }

    .section-label {
        font-size: 12px;
    }

    /* Feature grid single column on small screens */
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .feature-title {
        font-size: 16px;
    }

    /* Reason section small mobile */
    .reason-number {
        width: 50px;
        height: 50px;
        font-size: 18px;
    }

    .reason-number::before {
        font-size: 7px;
        top: 10px;
    }

    .reason-title {
        font-size: 18px;
    }

    .reason-description {
        font-size: 13px;
    }

    /* Price section small mobile */
    .price-value {
        font-size: 32px;
    }

    .price-name {
        font-size: 20px;
    }

    .btn-primary-lg,
    .btn-outline-lg {
        padding: 15px 30px;
        font-size: 14px;
        width: 100%;
    }

    .cta-title {
        font-size: 20px;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--color-white);
    border-radius: 16px;
    padding: 40px;
    max-width: 480px;
    width: 100%;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--color-text-body-secondary);
    line-height: 1;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--color-text-body);
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-body);
    text-align: center;
    margin-bottom: 12px;
}

.modal-description {
    font-size: 14px;
    color: var(--color-text-body-secondary);
    text-align: center;
    margin-bottom: 30px;
    line-height: 1.75;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text-body);
}

.form-group .required {
    color: #E53935;
}

.form-group input {
    padding: 14px 16px;
    border: 1px solid #E0E0E0;
    border-radius: 8px;
    font-size: 16px;
    font-family: var(--font-family);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-text-body-emphasis);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.form-group input::placeholder {
    color: #BDBDBD;
}

.btn-submit {
    margin-top: 10px;
    width: 100%;
    padding: 16px;
    font-size: 16px;
}

/* Success Modal */
.modal-success {
    text-align: center;
}

.success-icon {
    width: 64px;
    height: 64px;
    background-color: #4CAF50;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 20px;
}

.btn-view-slides {
    display: block;
    width: 100%;
    margin-bottom: 16px;
    padding: 16px 24px;
    font-size: 16px;
    text-align: center;
    text-decoration: none;
}

.modal-note {
    font-size: 12px;
    color: #999;
    margin-top: 8px;
}

@media (max-width: 480px) {
    .modal-content {
        padding: 30px 20px;
    }

    .modal-title {
        font-size: 20px;
    }
}