header {
    margin: 10px auto;
    max-width: 1200px;
    padding: 0 20px;
}

.header-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo-wrap {
    flex-shrink: 0;
}

.logo-wrap img {
    height: 40px;
    width: auto;
    display: block;
}

h1 {
    font-size: 13px;
    text-align: left;
    color: #333;
    line-height: 1.5;
    margin: 0;
    flex: 1;
}

.maintenance {
    text-align: center;
}

.maintenance h2 {
    font-size: 36px;
    color: #f00;
    line-height: 1.5;
}

.maintenance p,
.maintenance a {
    font-size: 26px;
    text-decoration: none;
    line-height: 1.5;
}

.maintenance p {
    color: #333;
    margin: 0;
}

.maintenance a {
    color: #1DA1F2;
    margin: 0 .5em;
}

.bold {
    font-weight: bold;
}

.red {
    color: #f00
}

.introduction {
    max-width: 1000px;
    margin: 60px auto 0;
    text-align: left;
}

.introduction h2 {
    font-size: 36px;
    color: #333;
    line-height: 1.5;
    margin-bottom: 20px;
}

.introduction p {
    font-size: 26px;
    color: #333;
    line-height: 1.5;
    margin: 0 0 20px 0;
}

.introduction p strong {
    font-weight: bold;
}

.main-visual {
    width: 100%;
    height: 400px;
    margin: 0 auto 60px;
    overflow: hidden;
    position: relative;
}

.main-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.main-visual .company-intro {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 900px;
    width: 85%;
    text-align: center;
    z-index: 1;
    margin: 0;
    background: rgba(255, 255, 255, 0.9);
    padding: 25px 30px;
    border-radius: 8px;
}

.main-visual .company-intro h2 {
    font-size: 28px;
    color: #333;
    line-height: 1.4;
    margin: 0 0 15px 0;
}

.main-visual .company-intro p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.company-intro {
    max-width: 1000px;
    margin: 60px auto 40px;
    text-align: center;
}

.company-intro h2 {
    font-size: 36px;
    color: #333;
    line-height: 1.5;
    margin-bottom: 30px;
}

.company-intro p {
    font-size: 20px;
    color: #666;
    line-height: 1.8;
    margin: 0 0 15px 0;
}

.services {
    max-width: 1000px;
    margin: 60px auto;
}

.services h2 {
    font-size: 32px;
    color: #333;
    text-align: center;
    margin-bottom: 50px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.service-card {
    background: #f9f9f9;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.service-card h3 {
    font-size: 24px;
    color: #333;
    margin: 0 0 15px 0;
    padding-bottom: 15px;
    border-bottom: 2px solid #f00;
}

.service-card p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin: 0;
}

.company-info {
    max-width: 1000px;
    margin: 60px auto;
}

.company-info h2 {
    font-size: 32px;
    color: #333;
    text-align: center;
    margin-bottom: 50px;
}

.company-info-content {
    background: #f9f9f9;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 40px;
}

.info-list {
    margin: 0;
    padding: 0;
}

.info-list dt {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-top: 20px;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid #e0e0e0;
}

.info-list dt:first-child {
    margin-top: 0;
}

.info-list dd {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin: 0 0 0 0;
    padding-left: 0;
}

.info-list a {
    color: #1DA1F2;
    text-decoration: none;
}

.info-list a:hover {
    text-decoration: underline;
}

.other-services {
    max-width: 1000px;
    margin: 60px auto;
}

.other-services-content {
    background: #f0f8ff;
    border: 1px solid #b0d4f1;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
}

.other-services-content p {
    font-size: 18px;
    color: #333;
    line-height: 1.8;
    margin: 0;
}

footer {
    background: #f5f5f5;
    border-top: 1px solid #e0e0e0;
    padding: 30px 0;
    margin-top: 60px;
}

.footer-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.footer-content p {
    font-size: 14px;
    color: #666;
    margin: 0 0 10px 0;
}

.footer-content a {
    color: #1DA1F2;
    text-decoration: none;
}

.footer-content a:hover {
    text-decoration: underline;
}