:root {
    --primary-color: #0a2342;
    /* Deep Royal Blue */
    --accent-color: #d4af37;
    /* Gold */
    --text-color: #333333;
    --text-light: #666666;
    --bg-color: #ffffff;
    --bg-alt: #f9f9f9;
    --white: #ffffff;
    --font-main: 'Noto Sans JP', sans-serif;
    --font-serif: 'Shippori Mincho', serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.8;
    background-color: var(--bg-color);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    max-height: 55px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

.nav ul {
    display: flex;
    gap: 2rem;
}

.nav a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--primary-color);
}

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

.btn-contact {
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--primary-color);
    border-radius: 50px;
}

.btn-contact:hover {
    background-color: var(--primary-color);
    color: var(--white) !important;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    color: var(--white);
    margin-bottom: 0;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(10, 35, 66, 0.3), rgba(10, 35, 66, 0.6));
}

.hero-content {
    position: relative;
    z-index: 1;
    padding-top: 4rem;
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Sections General */
.section {
    padding: 6rem 0;
}

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

.subtitle {
    display: block;
    font-size: 0.9rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.section-header h2 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--primary-color);
}

/* Mission */
.mission {
    background-color: var(--white);
}

.mission-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.mission-text p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    color: var(--text-light);
}

/* About */
.about {
    background-color: var(--bg-alt);
}

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

.about-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    text-align: center;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

.about-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.company-profile {
    margin-top: 4rem;
    background: var(--white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.company-profile h3 {
    font-family: var(--font-serif);
    color: var(--primary-color);
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
    padding-bottom: 0.5rem;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.profile-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.profile-item {
    display: flex;
    border-bottom: 1px solid #eee;
    padding-bottom: 1rem;
}

.profile-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.profile-item dt {
    width: 30%;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 120px;
}

.profile-item dd {
    width: 70%;
    color: var(--text-light);
}

@media (max-width: 600px) {
    .company-profile {
        padding: 2rem 1.5rem;
    }

    .profile-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .profile-item dt {
        width: 100%;
    }

    .profile-item dd {
        width: 100%;
    }
}

/* Contact */
.contact {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
}

.contact-inner h2 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.contact-inner p {
    margin-bottom: 3rem;
    opacity: 0.8;
}

.btn-primary {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 1rem 3rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
}

.btn-primary:hover {
    background-color: #e5c14d;
    transform: scale(1.05);
}

/* Footer */
.footer {
    background-color: #051224;
    color: rgba(255, 255, 255, 0.6);
    padding: 2rem 0;
    text-align: center;
    font-size: 0.9rem;
}

.footer-logo {
    color: var(--white);
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

.delay-3 {
    transition-delay: 0.6s;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 0;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hamburger Animation */
.hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

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


.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

.about-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.company-profile {
    margin-top: 4rem;
    background: var(--white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.company-profile h3 {
    font-family: var(--font-serif);
    color: var(--primary-color);
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
    padding-bottom: 0.5rem;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.profile-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.profile-item {
    display: flex;
    border-bottom: 1px solid #eee;
    padding-bottom: 1rem;
}

.profile-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.profile-item dt {
    width: 30%;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 120px;
}

.profile-item dd {
    width: 70%;
    color: var(--text-light);
}

@media (max-width: 600px) {
    .company-profile {
        padding: 2rem 1.5rem;
    }

    .profile-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .profile-item dt {
        width: 100%;
    }

    .profile-item dd {
        width: 100%;
    }
}

/* Contact */
.contact {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
}

.contact-inner h2 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.contact-inner p {
    margin-bottom: 3rem;
    opacity: 0.8;
}

.btn-primary {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 1rem 3rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
}

.btn-primary:hover {
    background-color: #e5c14d;
    transform: scale(1.05);
}

/* Footer */
.footer {
    background-color: #051224;
    color: rgba(255, 255, 255, 0.6);
    padding: 2rem 0;
    text-align: center;
    font-size: 0.9rem;
}

.footer-logo {
    color: var(--white);
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

.delay-3 {
    transition-delay: 0.6s;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 0;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hamburger Animation */
.hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

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

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

.about-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.company-profile {
    margin-top: 4rem;
    background: var(--white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.company-profile h3 {
    font-family: var(--font-serif);
    color: var(--primary-color);
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
    padding-bottom: 0.5rem;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.profile-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.profile-item {
    display: flex;
    border-bottom: 1px solid #eee;
    padding-bottom: 1rem;
}

.profile-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.profile-item dt {
    width: 30%;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 120px;
}

.profile-item dd {
    width: 70%;
    color: var(--text-light);
}

@media (max-width: 600px) {
    .company-profile {
        padding: 2rem 1.5rem;
    }

    .profile-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .profile-item dt {
        width: 100%;
    }

    .profile-item dd {
        width: 100%;
    }
}

/* Contact */
.contact {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
}

.contact-inner h2 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.contact-inner p {
    margin-bottom: 3rem;
    opacity: 0.8;
}

.btn-primary {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 1rem 3rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
}

.btn-primary:hover {
    background-color: #e5c14d;
    transform: scale(1.05);
}

/* Footer */
.footer {
    background-color: #051224;
    color: rgba(255, 255, 255, 0.6);
    padding: 2rem 0;
    text-align: center;
    font-size: 0.9rem;
}

.footer-logo {
    color: var(--white);
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

.delay-3 {
    transition-delay: 0.6s;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 0;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hamburger Animation */
.hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hamburger {
        display: flex;
    }

    .nav {
        display: block;
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        padding-top: 80px;
        transition: var(--transition);
        z-index: 1000;
    }

    .nav.active {
        right: 0;
    }

    .nav ul {
        flex-direction: column;
        align-items: center;
        gap: 3rem;
    }

    .nav a {
        font-size: 1.2rem;
        font-weight: 600;
    }
}