body {
    margin: 0;
    font-family: "Hiragino Sans", "Noto Sans JP", sans-serif;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

.header {
    background: #004c97;
    color: #fff;
    padding: 15px 0;
}

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

.nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

.hero {
    background: url('../img/hero.jpg') center/cover no-repeat;
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.hero-content {
    text-align: center;
}

.section {
    padding: 60px 0;
}

.cards {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.card {
    background: #f5f5f5;
    padding: 30px;
    width: 30%;
    border-radius: 8px;
    text-align: center;
}

.footer {
    background: #eee;
    padding: 20px 0;
    text-align: center;
}
.page-header {
    background: #f0f0f0;
    padding: 40px 0;
    text-align: center;
}

.company-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.company-table th,
.company-table td {
    border: 1px solid #ccc;
    padding: 12px;
}

.service-list .service-item {
    margin-bottom: 40px;
}

.works-grid {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.work-item {
    width: 30%;
    text-align: center;
}

.work-item img {
    width: 100%;
    border-radius: 8px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input,
.contact-form textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
}

.contact-form button {
    padding: 12px;
    background: #004c97;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}