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

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Header styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
    text-decoration: none;
}

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

.nav-list a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-list a:hover {
    color: #007bff;
}

.nav-list a.current {
    color: #007bff;
}

/* Hamburger menu */
.hamburger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger-menu span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: #333;
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Main content styles */
main {
    margin-top: 80px;
    min-height: calc(100vh - 80px - 300px); /* Header height and footer height */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Hero section with parallax */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
}

.hero-content {
    position: relative;
    z-index: 1;
}

.parallax {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: translateZ(0);
    will-change: transform;
}

/* Section styles */
.section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

/* Form styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
}

.required {
    color: #dc3545;
}

.submit-btn {
    background-color: #007bff;
    color: #fff;
    padding: 1rem 2rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.submit-btn:hover {
    background-color: #0056b3;
}

/* Footer styles */
.footer {
    background-color: #333;
    color: #fff;
    padding: 3rem 0 1rem;
}

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

.footer-info address {
    font-style: normal;
    margin-top: 1rem;
}

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

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

.footer-nav a:hover {
    color: #007bff;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: #fff;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #007bff;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive design */
@media (max-width: 768px) {
    .hamburger-menu {
        display: block;
    }

    .global-nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: 0;
        background: rgba(255, 255, 255, 0.95);
        overflow: hidden;
        transition: height 0.3s ease;
    }

    .global-nav.active {
        height: calc(100vh - 80px);
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        gap: 1.5rem;
    }

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

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

    .hamburger-menu.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero {
        height: 60vh;
    }

    .section {
        padding: 3rem 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

/* FAQ styles */
.faq-item {
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
}

.faq-item h4 {
    padding: 1rem;
    background-color: #f8f9fa;
    cursor: pointer;
    position: relative;
}

.faq-item h4::after {
    content: '+';
    position: absolute;
    right: 1rem;
    transition: transform 0.3s ease;
}

.faq-item.active h4::after {
    transform: rotate(45deg);
}

.faq-item p {
    padding: 0 1rem;
    height: 0;
    overflow: hidden;
    transition: height 0.3s ease;
}

.faq-item.active p {
    height: auto;
    padding: 1rem;
}

/* Animation styles */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}