/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1e40af;
    --secondary-color: #3b82f6;
    --accent-color: #ef4444;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 10000;
    transition: box-shadow 0.3s ease;
}

.header .container {
    display: flex;
    justify-content: space-between;
    background: #fff;
    position: relative;
    z-index: 1;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.logo h1 {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 700;
    letter-spacing: 2px;
    margin: 0;
}

.logo-image {
    height: 50px;
    width: auto;
}

.tagline {
    font-size: 0.75rem;
    color: var(--text-light);
    font-style: italic;
    width: 100%;
    margin-top: -0.25rem;
}

/* Hamburger menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 10001;
}

.menu-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav a:hover,
.nav a.active {
    color: var(--primary-color);
}

.nav a:hover::after,
.nav a.active::after {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    padding: 160px 20px 120px;
    text-align: center;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background-image: url('img/seigaiha-blue.svg');
    background-repeat: repeat;
    background-size: 400px;
    opacity: 0.15;
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-japanese {
    font-size: 1.1rem;
    letter-spacing: 6px;
    opacity: 0.7;
    margin-bottom: 0.75rem;
    font-weight: 400;
}

.hero h2 {
    font-size: 3.2rem;
    margin-bottom: 1rem;
    font-weight: 800;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.15);
}

.offer-banner {
    background: var(--accent-color);
    padding: 1.25rem 2.5rem;
    border-radius: 6px;
    margin: 2.5rem auto;
    max-width: 650px;
    box-shadow: 0 8px 30px rgba(239, 68, 68, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.15);
    animation: bannerEnter 0.8s ease-out;
}

@keyframes bannerEnter {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.offer-text {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.cta-button {
    display: inline-block;
    background: white;
    color: var(--primary-color);
    padding: 1.1rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.15rem;
    margin-top: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    letter-spacing: 0.5px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(255, 255, 255, 0.3), 0 5px 15px rgba(0, 0, 0, 0.2);
    background: #f0f4ff;
}

/* Stats Section */
.stats {
    background: var(--bg-white);
    padding: 3rem 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.stats .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item {
    padding: 1.5rem;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* About Section */
.about {
    padding: 5rem 20px;
    background: var(--bg-light);
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 2px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.about-text .intro {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.about-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

.about-text .highlight {
    background: white;
    padding: 1.5rem;
    border-left: 4px solid var(--primary-color);
    border-radius: 5px;
    font-weight: 500;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.paul-photo {
    width: 100%;
    max-width: 400px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    object-fit: cover;
}

.image-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, #e5e7eb 0%, #d1d5db 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-style: italic;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Services Section */
.services {
    padding: 5rem 20px;
    background: var(--bg-white);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.service-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.price {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-color);
}

.price-amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price-unit {
    font-size: 1.1rem;
    color: var(--text-light);
}

.contract-info {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    padding: 3rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.2);
    position: relative;
    overflow: hidden;
}

.contract-info::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('img/seigaiha-blue.svg');
    background-repeat: repeat;
    background-size: 400px;
    opacity: 0.15;
    pointer-events: none;
}

.contract-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    position: relative;
}

.contract-info p {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    position: relative;
}

.highlight-text {
    font-weight: 700;
    font-size: 1.4rem !important;
    margin-top: 1rem !important;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Testimonials Section */
.testimonials {
    padding: 5rem 20px;
    background: var(--bg-light);
    position: relative;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.testimonial-stars {
    color: #f59e0b;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.testimonial-author strong {
    color: var(--primary-color);
    font-size: 1rem;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: 5rem 20px;
    background: var(--bg-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 2rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-form {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

/* Floating labels */
.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: var(--text-light);
    font-size: 1rem;
    pointer-events: none;
    transition: all 0.2s ease;
    background: transparent;
    padding: 0 0.25rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -0.6rem;
    left: 0.75rem;
    font-size: 0.8rem;
    color: var(--primary-color);
    background: white;
    padding: 0 0.25rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-button {
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(30, 64, 175, 0.3);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30, 64, 175, 0.4);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 20px 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.footer-logo {
    height: 120px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-logo-container {
    margin-bottom: 1rem;
}

.footer-logo-container h3 {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 0.25rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.footer-logo-container p {
    color: #9ca3af;
    font-size: 0.9rem;
    margin: 0;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.footer-section p {
    color: #d1d5db;
    margin-bottom: 0.5rem;
}

.japanese-meaning {
    font-style: italic;
    font-size: 0.9rem;
    margin-top: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        flex-wrap: wrap;
    }

    .menu-toggle {
        display: flex;
    }

    .nav {
        display: none;
        width: 100%;
        padding-top: 1rem;
    }

    .nav.open {
        display: block;
    }

    .nav ul {
        flex-direction: column;
        gap: 0;
        text-align: center;
    }

    .nav ul li {
        border-top: 1px solid var(--border-color);
    }

    .nav ul li a {
        display: block;
        padding: 0.75rem 0;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .logo-image {
        height: 40px;
    }

    .tagline {
        font-size: 0.65rem;
    }

    .footer-logo {
        height: 90px;
    }

    .hero {
        padding: 120px 20px 60px;
    }

    .hero h2 {
        font-size: 2rem;
    }

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

    .offer-text {
        font-size: 1rem;
    }

    .stats .container {
        gap: 2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

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

    .about-image {
        order: -1;
    }

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

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

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

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

    .notification-toast {
        right: 10px;
        left: 10px;
        top: 90px;
        padding: 1rem 1.5rem;
    }

    .notification-toast-content h4 {
        font-size: 0.9rem;
    }

    .notification-toast-content p {
        font-size: 0.85rem;
    }
}

/* Notification Toast */
.notification-toast {
    position: fixed;
    top: 100px;
    right: 20px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 1.5rem 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 9999;
    animation: slideIn 0.5s ease-out, slideOut 0.5s ease-out 4.5s;
    opacity: 0;
}

.notification-toast.show {
    opacity: 1;
}

.notification-toast-icon {
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #10b981;
    font-weight: bold;
    font-size: 1.2rem;
}

.notification-toast-content h4 {
    margin: 0 0 0.25rem 0;
    font-size: 1rem;
    font-weight: 600;
}

.notification-toast-content p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.95;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}