:root {
    --teal-primary: #008080;
    --teal-light: #40E0D0;
    --teal-dark: #006666;
    --white: #FFFFFF;
    --gray-light: #F5F5F5;
    --gray: #666666;
    --black: #333333;
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: var(--black);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo-image {
    height: 80px;
    width: auto;
}

.logo {
    color: var(--teal-primary);
    font-size: 2rem;
    font-weight: 700;
}

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

.nav a {
    color: var(--black);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--teal-dark), var(--teal-light));
    color: var(--white);
    padding: 160px 0 80px;
    text-align: center;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.5rem;
    opacity: 0.9;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section:nth-child(even) {
    background-color: var(--gray-light);
}

.section h2 {
    color: var(--teal-primary);
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card h3 {
    color: var(--teal-primary);
    margin-bottom: 1rem;
}

/* Specs Section */
.specs {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 2px solid var(--gray-light);
}

.specs h3 {
    color: var(--teal-primary);
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.spec-item {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.spec-item h4 {
    color: var(--teal-primary);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.spec-item p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Contact Section */
#contact {
    text-align: center;
}

.contact-container {
    margin: 2rem auto;
    max-width: 800px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    overflow: hidden;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-container iframe {
    border: none;
    background: var(--white);
}

.contact-info {
    margin-top: 2rem;
    padding: 1rem;
}

.contact-info p {
    margin-bottom: 1rem;
    color: var(--gray);
}

.button {
    display: inline-block;
    background-color: var(--teal-primary);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s;
    margin-top: 1rem;
}

.button:hover {
    background-color: var(--teal-dark);
}

/* Footer */
.footer {
    background-color: var(--teal-dark);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        padding: 0 1rem 0 0;
      }

    .nav ul {
        gap: 1rem;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero h2 {
        font-size: 2rem;
    }

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

    .section {
        padding: 60px 0;
    }

    .section h2 {
        font-size: 2rem;
    }

    .contact-container {
        margin: 1rem;
        min-height: 120px;
    }
    
    .contact-container iframe {
        height: 600px;
    }
}