.page-hero {
    width: 100%;
    height: 30vh;
    margin-bottom: 100px;
    background-image: url(../img/philosophy.png);
    background-size: cover;
    background-position: right top;
    background-repeat: no-repeat;
}

.overlay {
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.company-content {
    width: 100%;
    height: 100%;
    max-width: 600px;
    margin: 0 auto 100px;
    background-color: #fff;
}

.company-content h2 {
    margin-bottom: 50px;
    text-align: center;
    font-size: 20px;
}

.company-content-text {
    margin-bottom: 50px;
}

.company-content p {
    padding: 0 20px;
}

.company-info {
    width: 100%;
    max-width: 400px;
    border-collapse: collapse;
    margin: 0 auto 50px;
}

.company-info tr {
    height: 100%;
    border-bottom: 1px solid #000;
}

.company-info th {
    width: 100px;
    text-align: center;
    padding: 20px 10px;
}

.company-info td {
    width: 100px;
    text-align: left;
    padding: 20px 10px;
}

/* 資格表のスタイル */
.qualification-table {
    width: 100%;
    max-width: 600px;
    border-collapse: collapse;
}

.qualification-table th,
.qualification-table td {
    padding: 15px 20px;
    text-align: center;
}

.qualification-table thead th {
    background-color: #f0f0f0;
    font-weight: bold;
    border-bottom: 2px solid #333;
}

.qualification-table tbody th {
    background-color: #f9f9f9;
    font-weight: normal;
    text-align: center;
}

.qualification-table tbody td {
    background-color: #fff;
}

/* 奇数行の背景色 */
.qualification-table tbody tr:nth-child(odd) th,
.qualification-table tbody tr:nth-child(odd) td {
    background-color: #fff;
}

/* 偶数行の背景色 */
.qualification-table tbody tr:nth-child(even) th,
.qualification-table tbody tr:nth-child(even) td {
    background-color: #f5f5f5;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .page-hero {
        height: 20vh;
        margin-bottom: 50px;
    }

    .company-content {
        padding: 0 10px;
    }

    .company-content h2 {
        margin-bottom: 50px;
    }

    .qualification-table {
        max-width: 100%;
    }

    .qualification-table th,
    .qualification-table td {
        padding: 10px 15px;
        font-size: 14px;
    }
}