@charset "UTF-8";

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Container */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #003366; /* Corporate Navy */
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-menu li a {
    font-weight: bold;
    color: #333;
    position: relative;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: #003366;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #003366;
    transition: width 0.3s;
}

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
    width: 100%;
}

/* Mobile Menu (Simple implementation) */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Main Content */
main {
    flex: 1;
    padding: 40px 0;
}

/* Hero Section (Home) */
.hero {
    background-color: #003366;
    color: #fff;
    text-align: center;
    padding: 80px 20px;
    margin-bottom: 40px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #fff;
    color: #003366;
    border-radius: 4px;
    font-weight: bold;
}

.btn:hover {
    background-color: #eee;
}

/* Section Styles */
section {
    margin-bottom: 60px;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    color: #003366;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: #003366;
    margin: 15px auto 0;
}

/* Company Info Table */
.company-table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.company-table th,
.company-table td {
    padding: 15px;
    border-bottom: 1px solid #eee;
    text-align: left;
}

.company-table th {
    width: 30%;
    background-color: #f4f7fa;
    color: #003366;
    font-weight: bold;
}

/* Service Cards */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card h3 {
    color: #003366;
    font-size: 1.5rem;
    margin-bottom: 15px;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

/* Contact Form */
.contact-form {
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    max-width: 700px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.submit-btn {
    background-color: #003366;
    color: #fff;
    border: none;
    padding: 12px 40px;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    display: block;
    width: 100%;
}

.submit-btn:hover {
    background-color: #002244;
}

/* Footer */
footer {
    background-color: #333;
    color: #fff;
    padding: 40px 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-logo {
    font-size: 1.2rem;
    font-weight: bold;
}

.copyright {
    text-align: center;
    margin-top: 20px;
    border-top: 1px solid #555;
    padding-top: 20px;
    font-size: 0.9rem;
    color: #ccc;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        display: none; /* In a real project, implement JS toggle */
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: #fff;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .company-table th,
    .company-table td {
        display: block;
        width: 100%;
    }

    .company-table th {
        background-color: #eee;
    }
}

