/* General Variables */
:root {
    --primary: #1b4332;
    --primary-light: #2d6a4f;
    --secondary: #40916c;
    --accent: #d8f3dc;
    --bg-light: #f4f1ea;
    --white: #ffffff;
    --dark: #1a1a1a;
    --gray: #666666;
    --light-gray: #e6e6e6;
    --font-sans: 'Noto Sans JP', 'Montserrat', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 8px;
    --max-width: 1200px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--white);
    color: var(--dark);
    line-height: 1.8;
}

/* Common Layouts */
.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 80px 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 0.85rem;
    color: var(--secondary);
    letter-spacing: 2px;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 15px;
    line-height: 1.4;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Header & Nav */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
}

.site-header.scrolled {
    padding: 5px 0;
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    display: block;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 25px;
}

.main-nav a {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--dark);
    transition: var(--transition);
}

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

.nav-cta-btn {
    background-color: var(--primary);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-cta-btn:hover {
    background-color: var(--primary-light);
}

/* Mobile Nav Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--primary);
    transition: var(--transition);
}

/* Hero Section */
.hero-section {
    background-color: var(--bg-light);
    padding: 160px 0 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent) 0%, rgba(255,255,255,0) 70%);
    opacity: 0.4;
    z-index: 1;
    pointer-events: none;
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.3;
    color: var(--primary);
    margin-bottom: 20px;
}

.hero-title .highlight {
    color: var(--secondary);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--gray);
    margin-bottom: 35px;
}

.primary-btn {
    display: inline-block;
    background-color: var(--primary);
    color: var(--white);
    padding: 15px 35px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(27, 67, 50, 0.2);
}

.primary-btn:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
}

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

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    background-color: rgba(216, 243, 220, 0.5);
    padding: 6px 12px;
    border-radius: 50px;
}

.hero-image-wrapper {
    position: relative;
    z-index: 2;
}

.hero-main-img {
    border-radius: var(--border-radius);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    object-fit: cover;
    width: 100%;
}

/* Benefits Section */
.benefits-section {
    background-color: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.benefit-card {
    background-color: var(--bg-light);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    background-color: var(--white);
    border-color: var(--secondary);
}

.benefit-icon {
    color: var(--secondary);
    margin-bottom: 25px;
}

.benefit-card-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 15px;
}

.benefit-card-text {
    font-size: 0.95rem;
    color: var(--gray);
}

/* Features / Services Lineup */
.features-section {
    background-color: var(--bg-light);
}

.feature-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

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

.feature-item.reverse {
    direction: rtl;
}

.feature-item.reverse .feature-content {
    direction: ltr;
}

.feature-img-wrapper {
    position: relative;
}

.feature-img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
}

.feature-content {
    padding: 20px;
}

.feature-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
}

.feature-description {
    color: var(--gray);
    font-size: 1rem;
}

/* Process Section */
.process-section {
    background-color: var(--white);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.process-step {
    position: relative;
    padding-top: 30px;
    border-top: 2px solid var(--light-gray);
    transition: var(--transition);
}

.process-step:hover {
    border-top-color: var(--secondary);
}

.step-num {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 3rem;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 15px;
}

.step-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 15px;
}

.step-text {
    font-size: 0.9rem;
    color: var(--gray);
}

/* Testimonials Section */
.testimonials-section {
    background-color: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.03);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testi-stars {
    color: #ffb703;
    margin-bottom: 15px;
}

.testi-text {
    font-size: 0.95rem;
    font-style: italic;
    color: var(--dark);
    margin-bottom: 25px;
}

.testi-author {
    border-top: 1px solid var(--light-gray);
    padding-top: 15px;
}

.testi-author strong {
    display: block;
    font-size: 0.95rem;
    color: var(--primary);
}

.testi-author span {
    font-size: 0.85rem;
    color: var(--gray);
}

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

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

.faq-item {
    border-bottom: 1px solid var(--light-gray);
    padding: 10px 0;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    padding: 15px 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    cursor: pointer;
    text-align: left;
}

.faq-arrow {
    display: block;
    width: 12px;
    height: 12px;
    border-right: 2px solid var(--primary);
    border-bottom: 2px solid var(--primary);
    transform: rotate(45deg);
    transition: var(--transition);
}

.faq-item.active .faq-arrow {
    transform: rotate(-135deg);
}

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

.faq-answer p {
    padding: 10px 0 20px 0;
    color: var(--gray);
    font-size: 0.95rem;
}

/* About Section */
.about-section {
    background-color: var(--white);
    border-top: 1px solid var(--light-gray);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-paragraph {
    margin-bottom: 20px;
    color: var(--gray);
    font-size: 1rem;
}

.about-img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 15px 35px rgba(0,0,0,0.07);
}

/* Form Section */
.form-section {
    background-color: var(--primary);
    color: var(--white);
}

.form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 50px;
    border-radius: var(--border-radius);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.form-intro {
    text-align: center;
    margin-bottom: 40px;
}

.form-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--accent);
}

.form-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 15px;
}

.form-micro {
    font-size: 0.85rem;
    opacity: 0.7;
    line-height: 1.6;
}

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

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

label {
    font-weight: 700;
    font-size: 0.9rem;
}

.required {
    background-color: #d90429;
    color: var(--white);
    padding: 2px 6px;
    font-size: 0.7rem;
    border-radius: 3px;
    vertical-align: middle;
}

input[type="text"],
input[type="email"],
input[type="tel"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-family: var(--font-sans);
    font-size: 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

input:focus {
    outline: none;
    border-color: var(--accent);
    background-color: rgba(255, 255, 255, 0.15);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.85rem;
    line-height: 1.5;
}

.form-checkbox input {
    margin-top: 4px;
    cursor: pointer;
}

.form-checkbox a {
    color: var(--accent);
    text-decoration: underline;
}

.submit-btn {
    background-color: var(--secondary);
    color: var(--white);
    padding: 15px;
    font-size: 1.1rem;
    font-weight: 700;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background-color: var(--primary-light);
}

.submit-btn:disabled {
    background-color: var(--gray);
    cursor: not-allowed;
}

.form-message {
    padding: 15px;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-top: 20px;
    text-align: center;
}

.form-message.success {
    background-color: rgba(64, 145, 108, 0.2);
    border: 1px solid var(--secondary);
    color: #e8f5e9;
}

.form-message.error {
    background-color: rgba(217, 4, 41, 0.2);
    border: 1px solid #d90429;
    color: #ffebee;
}

/* Footer Section */
.site-footer {
    background-color: #0c2017;
    color: rgba(255, 255, 255, 0.8);
    padding: 80px 0 30px 0;
    font-size: 0.9rem;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px 50px 20px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-brand-desc {
    line-height: 1.7;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer-links a {
    transition: var(--transition);
}

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

.footer-contact p {
    margin-bottom: 10px;
}

.cross-border-notice {
    margin-top: 20px;
    font-size: 0.8rem;
    line-height: 1.6;
    opacity: 0.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    font-size: 0.8rem;
    opacity: 0.5;
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: -60px;
    background-color: var(--primary);
    color: var(--white);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.active {
    right: 30px;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #0c2017;
    color: var(--white);
    z-index: 9999;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
}

.cookie-banner-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.cookie-text {
    font-size: 0.85rem;
    line-height: 1.6;
}

.cookie-text a {
    color: var(--accent);
    text-decoration: underline;
}

.cookie-btn {
    border: none;
    border-radius: var(--border-radius);
    padding: 8px 20px;
    font-weight: 700;
    cursor: pointer;
    font-size: 0.85rem;
    white-space: nowrap;
}

.cookie-btn.accept {
    background-color: var(--secondary);
    color: var(--white);
}

/* Responsiveness */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-trust-strip {
        justify-content: center;
    }

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

    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

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

    .main-nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 30px;
        transition: var(--transition);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    }

    .main-nav.active {
        left: 0;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .feature-item {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .feature-item.reverse {
        direction: ltr;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .form-wrapper {
        padding: 30px 20px;
    }

    .form-row-2 {
        grid-template-columns: 1fr;
    }

    .cookie-banner-container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-container {
        grid-template-columns: 1fr;
    }
}