/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    max-width: 100%;
}

body {
    font-family: 'M PLUS 1', sans-serif;
    line-height: 1.6;
    color: #21272A;
    background-color: #ffffff;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    margin: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

.highlight {
    color: #0f62fe;
}

/* Layout */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 80px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid #dde1e6;
    z-index: 2000;
    padding: 12px 16px;
}

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

.logo-image {
    height: 32px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    justify-content: flex-end;
}

.nav {
    margin-left: auto;
}

.nav-link {
    text-decoration: none;
    color: #21272A;
    font-weight: 600;
    font-size: 16px;
    padding: 12px 8px;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #0f62fe;
}

.cta-button {
    background: #ffda35;
    color: #000000;
    border: none;
    padding: 16px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-family: 'M PLUS 1', sans-serif;
}

.cta-button:hover {
    background: #f0d030;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 218, 53, 0.3);
}

.header-cta {
    width: auto;
    min-width: 120px;
    height: 40px;
    padding: 12px 16px;
    font-size: 16px;
    margin-left: 40px;
}

/* Hero Section */
.hero {
    background: #ecf7ff;
    padding: 120px 0 80px;
    margin-top: 72px;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 120px;
}

.hero-text {
    flex: 1;
    max-width: 630px;
}

.hero-subtitle {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    color: #21272A;
    margin-bottom: 40px;
    line-height: 1.4;
}

.hero-cta {
    width: auto;
    min-width: 200px;
    height: 56px;
    font-size: 20px;
    margin-bottom: 40px;
}

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

.hero-feature-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: #fff9e6;
    border: 1px solid #e0e0e0;
    padding: 20px;
    text-align: center;
}

.hero-feature-text {
    font-size: 16px;
    font-weight: 600;
    color: #21272A;
    line-height: 1.5;
    margin: 0;
}

.hero-visual {
    flex: 1;
    position: relative;
}

.hero-image {
    width: 100%;
    max-width: 640px;
    height: auto;
    object-fit: contain;
}

@media (max-width: 1024px) {
    .hero-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .hero-feature-item {
        width: 140px;
        height: 140px;
    }
    
    .hero-feature-text {
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .hero-features {
        gap: 16px;
    }
    
    .hero-feature-item {
        width: 120px;
        height: 120px;
        padding: 16px;
    }
    
    .hero-feature-text {
        font-size: 12px;
    }
    
    .about-features {
        gap: 40px;
    }
    
    .about-feature-image {
        width: 100px;
        height: 100px;
    }
    
    .about-feature-text {
        font-size: 16px;
    }
}

/* Payment Methods Section */
.payment-methods {
    padding: 80px 0;
    background: #ffffff;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #21272A;
}

.payment-methods-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.payment-method-category h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
    text-align: center;
    color: #21272A;
}

.payment-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.payment-logo {
    max-height: 40px;
    width: auto;
    object-fit: contain;
}

@media (max-width: 768px) {
    .payment-methods-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* About Section */
.about {
    padding: 80px 0;
    background: #f6fbff;
}

.section-description {
    font-size: 18px;
    line-height: 1.8;
    text-align: center;
    margin-bottom: 40px;
    color: #21272A;
}

.about-features {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.about-feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    max-width: 200px;
}

.about-feature-image {
    width: 120px;
    height: 120px;
    object-fit: contain;
}

.about-feature-text {
    font-size: 18px;
    font-weight: 600;
    color: #21272A;
    text-align: center;
    line-height: 1.5;
}

.about-note {
    font-size: 14px;
    color: #666;
    text-align: center;
    margin-top: 24px;
}

/* Comparison Section */
.comparison {
    padding: 80px 0;
    background: #ffffff;
}

.payment-methods {
    max-width: 1200px;
    margin: 0 auto;
}

.payment-methods__head {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
    margin-bottom: 0;
    border: 1px solid #dde1e6;
    border-radius: 8px 8px 0 0;
    overflow: hidden;
}

.payment-methods__head-item {
    padding: 20px;
    font-weight: 600;
    font-size: 18px;
    text-align: center;
    background: #f6fbff;
    color: #21272A;
    margin: 0;
    border-right: 1px solid #dde1e6;
}

.payment-methods__head-item:last-child {
    border-right: none;
}

.payment-methods__head-item--emphasis {
    background: #ff4444;
    color: #ffffff;
}

.payment-methods__body {
    border: 1px solid #dde1e6;
    border-top: none;
    padding: 40px;
    background: #ffffff;
}

.payment-methods__body:last-of-type {
    border-radius: 0 0 8px 8px;
}

.payment-methods__body-heading {
    font-size: 24px;
    font-weight: 700;
    color: #21272A;
    margin-bottom: 30px;
    text-align: left;
}

.payment-methods__body-list {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

.payment-methods__body-item {
    display: flex;
    flex-direction: column;
}

.payment-methods__body-item--purpose {
    flex-direction: row;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 20px;
}

.payment-methods__purpose {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.payment-methods__purpose-image {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.payment-methods__purpose-text {
    font-size: 16px;
    font-weight: 600;
    color: #21272A;
    text-align: center;
    margin: 0;
    line-height: 1.5;
}

.payment-methods__body-item--probrem,
.payment-methods__body-item--emap {
    padding: 20px;
    border-radius: 8px;
    position: relative;
    text-align: left;
}

.payment-methods__body-item--probrem {
    background: #fff5f5;
}

.payment-methods__body-item--emap {
    background: #f0fff4;
}

.payment-methods__description-wrapper {
    flex: 1;
}

.payment-methods__head-item.u-forSp {
    display: none;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #21272A;
}

.payment-methods__description-text {
    font-size: 16px;
    line-height: 1.8;
    color: #21272A;
    margin-bottom: 12px;
    text-align: left;
}

.payment-methods__description-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.payment-methods__description-list-item {
    font-size: 14px;
    line-height: 1.8;
    color: #21272A;
    margin-bottom: 8px;
    padding-left: 24px;
    position: relative;
}

.payment-methods__body-item--probrem .payment-methods__description-list-item:before {
    content: "×";
    position: absolute;
    left: 0;
    color: #ff4444;
    font-weight: 700;
    font-size: 18px;
}

.payment-methods__body-item--emap .payment-methods__description-list-item:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #0f62fe;
    font-weight: 700;
    font-size: 18px;
}

.payment-methods__icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
}

.payment-methods__icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.comparison-note {
    font-size: 14px;
    color: #666;
    text-align: center;
    margin-top: 24px;
}

@media (max-width: 1024px) {
    .payment-methods__head {
        grid-template-columns: 1fr;
    }
    
    .payment-methods__head-item {
        border-right: none;
        border-bottom: 1px solid #dde1e6;
    }
    
    .payment-methods__head-item:last-child {
        border-bottom: none;
    }
    
    .payment-methods__body-list {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .payment-methods__head-item.u-forSp {
        display: block;
    }
    
    .payment-methods__body-item--purpose {
        flex-direction: row;
        justify-content: center;
    }
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #f6fbff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: #21272A;
    line-height: 1.4;
}

.feature-card p {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
}

.feature-card a {
    color: #0f62fe;
    text-decoration: none;
}

.feature-card a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: linear-gradient(135deg, #ff4444 0%, #ff8800 100%);
    color: #ffffff;
}

.contact .section-title {
    color: #ffffff;
}

.contact .section-description {
    color: #ffffff;
    margin-bottom: 40px;
}

.contact-cta {
    background: #ffffff;
    color: #ff4444;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
}

.contact-cta:hover {
    background: #f0f0f0;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: #ffffff;
}

.pricing-table-wrapper {
    overflow-x: auto;
    margin-bottom: 24px;
}

.price-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.price-table__th {
    background: #f6fbff;
    padding: 20px;
    text-align: center;
    font-weight: 600;
    font-size: 16px;
    color: #21272A;
    border: 1px solid #dde1e6;
    vertical-align: middle;
}

.price-table__text-block {
    display: block;
    line-height: 1.6;
}

.price-table__smaller-text {
    font-size: 12px;
    font-weight: 400;
}

.price-table__td {
    padding: 20px;
    border: 1px solid #dde1e6;
    font-size: 14px;
    line-height: 1.8;
    color: #21272A;
    text-align: center;
    vertical-align: middle;
}

.price-table__smaller-text-2 {
    font-size: 13px;
}

.price-table__emphasis-text {
    font-weight: 700;
    color: #ff4444;
}

.pricing-note {
    font-size: 14px;
    color: #666;
    text-align: center;
    margin-top: 24px;
}

@media (max-width: 768px) {
    .price-table {
        font-size: 12px;
    }
    
    .price-table__th,
    .price-table__td {
        padding: 12px 8px;
        font-size: 11px;
    }
    
    .price-table__smaller-text {
        font-size: 10px;
    }
    
    .price-table__smaller-text-2 {
        font-size: 11px;
    }
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background: #f6fbff;
}

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

.faq-item {
    background: #ffffff;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background: #f6fbff;
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
    color: #21272A;
    margin: 0;
    flex: 1;
}

.faq-toggle {
    background: none;
    border: none;
    font-size: 24px;
    color: #0f62fe;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.faq-answer {
    padding: 0 24px 24px 24px;
    font-size: 16px;
    line-height: 1.8;
    color: #666;
}

.faq-answer.hidden {
    display: none;
}

.faq-image {
    width: 100%;
    max-width: 600px;
    margin-top: 20px;
    border-radius: 8px;
}

/* Footer */
.footer {
    background: #21272A;
    color: #ffffff;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-logo-image {
    height: 32px;
    width: auto;
}

.footer-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.footer-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: #ffda35;
}

.footer-copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #444;
    font-size: 14px;
    color: #999;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-menu {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}