/* CSS Variables */
:root {
    --primary-color: #0d2857;
    --primary-light: #1b458b;
    --secondary-color: #e5f0ff;
    --accent-color: #007bff;
    --text-main: #333333;
    --text-muted: #666666;
    --bg-main: #ffffff;
    --bg-light: #f8f9fa;
    --border-color: #eaeaea;
    --transition-fast: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-slow: 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    --font-heading: 'Outfit', 'Noto Sans JP', sans-serif;
    --font-body: 'Noto Sans JP', sans-serif;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

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

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--accent-color);
    transition: width var(--transition-fast);
}

.section:hover .section-title::after {
    width: 100%;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.1em;
}

/* Layout Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: 6rem 0;
}

.bg-light {
    background-color: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

/* Header */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all var(--transition-fast);
    background: transparent;
}

#header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-jp {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--bg-main);
    transition: color var(--transition-fast);
}

.logo-en {
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.05em;
    transition: color var(--transition-fast);
}

#header.scrolled .logo-jp {
    color: var(--primary-color);
}

#header.scrolled .logo-en {
    color: var(--text-muted);
}

.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-menu a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--bg-main);
    position: relative;
}

#header.scrolled .nav-menu a {
    color: var(--text-main);
}

.nav-menu a:not(.btn-contact)::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width var(--transition-fast);
}

.nav-menu a:hover:not(.btn-contact)::before {
    width: 100%;
}

.nav-menu a:hover {
    color: var(--accent-color) !important;
}

.btn-contact {
    background-color: var(--accent-color);
    color: #fff !important;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.btn-contact:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 40, 87, 0.9) 0%, rgba(0, 123, 255, 0.7) 100%),
                url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?q=80&w=2072&auto=format&fit=crop') center/cover no-repeat;
    z-index: -1;
    animation: slowZoom 20s infinite alternate;
}

.hero-bg-camera {
    background: linear-gradient(135deg, rgba(30, 30, 30, 0.85) 0%, rgba(80, 80, 80, 0.7) 100%),
                url('https://images.unsplash.com/photo-1516035069371-29a1b244cc32?q=80&w=2000&auto=format&fit=crop') center/cover no-repeat;
}

@keyframes slowZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
    width: 100%;
    color: var(--bg-main);
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    animation: fadeUp 1s forwards ease-out;
    opacity: 0;
    transform: translateY(30px);
}

.hero-title-main {
    display: block;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 500;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeUp 1s forwards ease-out 0.3s;
    transform: translateY(30px);
}

.hero-btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: #fff;
    color: var(--primary-color);
    font-weight: 700;
    border-radius: 30px;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
    opacity: 0;
    animation: fadeUp 1s forwards ease-out 0.6s;
    transform: translateY(30px);
}

.hero-btn:hover {
    background-color: var(--accent-color);
    color: #fff;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transform: translateY(-3px);
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Service Section */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: var(--bg-main);
    padding: 3rem 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-slow);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-color) 0%, transparent 100%);
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-fast);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    border-color: transparent;
}

.highlight-zoom {
    transform: scale(1.05) translateY(-10px) !important;
    box-shadow: 0 30px 60px rgba(0, 123, 255, 0.25) !important;
    border-color: var(--accent-color) !important;
    z-index: 10 !important;
}

.highlight-zoom::before {
    opacity: 1 !important;
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 70px;
    height: 70px;
    background-color: var(--secondary-color);
    color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    transition: all var(--transition-fast);
}

.service-card:hover .service-icon {
    background-color: var(--accent-color);
    color: #fff;
    transform: scale(1.1) rotate(5deg);
}

.service-icon svg {
    width: 32px;
    height: 32px;
}

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

.service-card-desc {
    color: var(--text-muted);
}

.card-link {
    position: absolute;
    inset: 0;
    opacity: 0;
    z-index: 5;
    font-size: 0;
    color: transparent;
}

.card-action-text {
    display: inline-block;
    margin-top: 1.5rem;
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform var(--transition-fast);
}

.service-card:hover .card-action-text {
    transform: translateX(5px);
}

/* Page Header for subpages */
.page-header {
    padding: 10rem 0 5rem;
    text-align: center;
    color: #fff;
    margin-bottom: 2rem;
}
.page-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}
.page-subtitle {
    font-size: 1.1rem;
    opacity: 0.8;
}

/* Company Section */
.company-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-main);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.03);
}

.company-table {
    width: 100%;
    border-collapse: collapse;
}

.company-table th, .company-table td {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    vertical-align: top;
}

.company-table tr:last-child th, .company-table tr:last-child td {
    border-bottom: none;
}

.company-table th {
    width: 30%;
    color: var(--primary-color);
    font-weight: 700;
}

.company-table td {
    color: var(--text-main);
    line-height: 1.8;
}

/* Contact Section */
.contact-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

.contact-text {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-muted);
}

.contact-form {
    background: var(--bg-main);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.required {
    font-size: 0.75rem;
    background-color: #ff4d4f;
    color: #fff;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    margin-left: 0.5rem;
    vertical-align: middle;
}

input[type="text"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
    background-color: var(--bg-light);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.1);
    background-color: #fff;
}

.submit-btn {
    display: block;
    width: 100%;
    padding: 1.2rem;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: 2rem;
}

.submit-btn:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(27, 69, 139, 0.3);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: #fff;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-links ul {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .section { padding: 4rem 0; }
    .hero-title { font-size: 3rem; }
}

@media (max-width: 768px) {
    .nav-menu { display: none; } /* Could add a hamburger menu toggle in JS */
    
    .hero-title { font-size: 2.5rem; }
    
    .company-wrapper, .contact-form {
        padding: 2rem 1.5rem;
    }
    
    .company-table th, .company-table td {
        display: block;
        width: 100%;
        padding: 1rem 0;
    }
    
    .company-table th {
        border-bottom: none;
        padding-bottom: 0.2rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Recruit Section */
.recruit-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.recruit-table th, .recruit-table td {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    vertical-align: top;
}

.recruit-table tr:last-child th, .recruit-table tr:last-child td {
    border-bottom: none;
}

.recruit-table th {
    width: 25%;
    color: var(--primary-color);
    font-weight: 700;
    background-color: var(--bg-light);
}

.recruit-table td {
    color: var(--text-main);
    line-height: 1.8;
}

.recruit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .recruit-table th, .recruit-table td {
        display: block;
        width: 100%;
        padding: 1rem;
    }
    .recruit-table th {
        border-bottom: none;
        padding-bottom: 0.5rem;
    }
    .recruit-grid {
        grid-template-columns: 1fr;
    }
}