.page-hero {
    width: 100%;
    height: 30vh;
    margin-bottom: 80px;
    background-image: url(../img/philosophy.jpg);
    background-size: cover;
    background-position: right top;
    background-repeat: no-repeat;
}

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

section {
    margin-bottom: 100px;
}

.philosophy-description,
.philosophy-content {
    padding: 0 20px;
}

.philosophy-description h1 {
    text-align: center;
    margin-bottom: 30px;
}

.philosophy-description p {
    text-align: center;
}

.philosophy-content h2 {
    margin-bottom: 20px;
    font-size: 20px;
    border-bottom: 2px solid #000;
}

.philosophy-content-title {
    padding: 0 20px;
}

.philosophy-content-body {
    padding: 0 20px 0 40px;
    margin-bottom: 20px;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .page-hero {
        height: 20vh;
    }
    .philosophy-content {
        margin-bottom: 30px;
    }
    .page-hero-content h1 {
        font-size: 30px;
    }
    .philosophy-content h2 {
        padding-left: 15px;
        margin-bottom: 30px;
        font-size: 16px;
    }

}