:root {
    --bg-color: #ffffff;
    --text-color: #555555;
    --heading-color: #333333;
    --accent-color: #c5a059;
    /* Champagne Gold */
    --accent-light: #f3e5ab;
    --accent-bg: #fdfbf7;
    --font-main: 'Zen Kaku Gothic New', sans-serif;
    --font-serif-jp: 'Zen Old Mincho', serif;
    --font-display: 'Cormorant Garamond', serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 2.0;
    font-weight: 300;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

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

/* Loading */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeOut 0.5s ease 2.5s forwards;
    pointer-events: none;
}

.loading-logo {
    font-family: var(--font-serif-jp);
    font-size: 2.2rem;
    font-weight: 500;
    color: var(--accent-color);
    letter-spacing: 0.2em;
    animation: pulse 2s infinite;
}

@keyframes fadeOut {
    to {
        opacity: 0;
    }
}

@keyframes pulse {
    0% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0.5;
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 40px;
    z-index: 100;
    transition: background-color 0.4s ease;
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo a {
    font-family: var(--font-serif-jp);
    font-size: 1.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--heading-color);
}

.global-nav ul {
    display: flex;
    gap: 40px;
}

.global-nav a {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--heading-color);
    letter-spacing: 0.05em;
    position: relative;
}

.global-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

.global-nav a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 101;
}

.hamburger span {
    width: 25px;
    height: 1px;
    background-color: var(--heading-color);
    transition: all 0.3s ease;
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/hero_france.png') no-repeat center center/cover;
    z-index: -1;
    transform: scale(1.05);
    animation: bgZoom 20s infinite alternate;
}

@keyframes bgZoom {
    from {
        transform: scale(1.05);
    }

    to {
        transform: scale(1.15);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.4));
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: left;
    max-width: 1200px;
    width: 100%;
    padding: 0 40px;
}

.hero-sub {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    letter-spacing: 0.1em;
}

.hero-title {
    font-family: var(--font-serif-jp);
    font-size: 4rem;
    font-weight: 500;
    line-height: 1.3;
    color: #444444;
    margin-bottom: 30px;
    letter-spacing: 0.05em;
}

.hero-desc {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 40px;
}

.scroll-indicator {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--accent-color);
    font-family: var(--font-display);
    font-size: 0.9rem;
    z-index: 1;
}

.scroll-indicator .line {
    width: 1px;
    height: 60px;
    background-color: var(--accent-color);
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        transform: scaleY(1);
        transform-origin: top;
    }

    51% {
        transform: scaleY(1);
        transform-origin: bottom;
    }

    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

/* Common Section Styles */
.section {
    padding: 120px 20px;
}

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

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-subtitle {
    display: block;
    font-family: var(--font-display);
    color: var(--accent-color);
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    margin-bottom: 15px;
}

.section-title {
    font-family: var(--font-main);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--heading-color);
    letter-spacing: 0.1em;
}

/* Vision Section */
.vision-wrapper {
    display: flex;
    align-items: center;
    gap: 80px;
}

.vision-image {
    flex: 1;
    position: relative;
}

.vision-image .img-box {
    width: 100%;
    height: 500px;
    /* ID selector used for background image in HTML, but defined here for fallback/sizing */
    background-color: var(--accent-light);
    background-size: cover;
    background-position: center;
    border-radius: 8px 80px 8px 8px;
    box-shadow: 20px 20px 0 var(--accent-bg);
}

#img-vision {
    background-image: url('../images/vision.png');
}

.vision-content {
    flex: 1;
}

.vision-jp {
    font-size: 1.8rem;
    font-weight: 500;
    margin: 20px 0 30px;
    line-height: 1.5;
}

.vision-content p {
    margin-bottom: 20px;
    color: #666;
}

/* Services Section */
.services {
    background-color: var(--accent-bg);
}

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

.service-card {
    background-color: #fff;
    padding: 50px 30px;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.service-card h4 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--heading-color);
}

.service-card p {
    font-size: 0.95rem;
    color: #777;
    line-height: 1.8;
}

/* Company Section */
.company-border {
    border: 1px solid var(--accent-light);
    padding: 60px;
    background-color: #fff;
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.company-border::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 1px solid var(--accent-light);
    pointer-events: none;
}

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

.company-table th,
.company-table td {
    padding: 20px 0;
    border-bottom: 1px solid #f0f0f0;
    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%;
    font-weight: 500;
    color: var(--heading-color);
    padding-right: 20px;
}

.company-table td {
    width: 70%;
    color: #555;
}

/* Contact Section */
.contact {
    position: relative;
    padding: 150px 20px;
    text-align: center;
    overflow: hidden;
}

.contact-bg-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 15vw;
    color: var(--accent-bg);
    opacity: 0.8;
    z-index: -1;
    white-space: nowrap;
}

.contact-title {
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--accent-color);
    margin-bottom: 30px;
}

.contact-box p {
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.btn-primary {
    display: inline-block;
    padding: 15px 50px;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    font-size: 1rem;
    letter-spacing: 0.1em;
    position: relative;
    overflow: hidden;
    background-color: #fff;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: var(--accent-color);
    transition: width 0.4s ease;
    z-index: 0;
}

.btn-primary:hover::before {
    width: 100%;
}

.btn-primary:hover {
    color: #fff;
}

.btn-primary span {
    position: relative;
    z-index: 1;
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    color: #fff;
    padding: 60px 0;
    text-align: center;
}

.footer-logo {
    font-family: var(--font-main);
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.copyright {
    font-size: 0.8rem;
    color: #888;
}

/* Animations */
.fade-in,
.fade-in-up,
.fade-in-left,
.fade-in-right {
    opacity: 0;
    transition: all 1s ease;
}

.fade-in-up {
    transform: translateY(30px);
}

.fade-in-left {
    transform: translateX(-30px);
}

.fade-in-right {
    transform: translateX(30px);
}

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

/* Responsive */
@media (max-width: 768px) {
    .header {
        padding: 15px 20px;
    }

    .hamburger {
        display: flex;
    }

    .global-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: #fff;
        display: flex;
        justify-content: center;
        align-items: center;
        transition: right 0.4s ease;
    }

    .global-nav.active {
        right: 0;
    }

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

    .hero-title {
        font-size: 2.5rem;
    }

    .vision-wrapper {
        flex-direction: column;
        gap: 40px;
    }

    .vision-image .img-box {
        height: 300px;
    }

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

    .company-table th,
    .company-table td {
        display: block;
        width: 100%;
        border-bottom: none;
    }

    .company-table th {
        padding-bottom: 5px;
        color: var(--accent-color);
    }

    .company-table td {
        padding-top: 5px;
        border-bottom: 1px solid #eee;
    }

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