.page-atmos .concept-section {
    background-color: #faf9f5;
    padding: 40px;
    text-align: center;
    color: #595757; 
}
.page-atmos .concept-title {
    margin-bottom: 30px;
}
.page-atmos .concept-title .title-jp {
    display: block;
    font-size: 1em; 
    font-weight: 600;
    line-height: 1.7;
    letter-spacing: 4px;
    color: #864433;
}
.page-atmos .concept-title .title-en {
    display: block;
    font-size: 0.6em; 
    color: #c9bc9c;
    margin-top: 1em;
    letter-spacing: 0.1em;
}
.page-atmos .concept-description {
    font-size: 0.9em; 
    line-height: 1.8;
    letter-spacing: 0.15em; 
    margin: 0 auto;
}
@media screen and (max-width: 768px) {
    .page-atmos .concept-section {
        padding: 80px 20px; 
    }
    .page-atmos .concept-title .title-jp {
        font-size: 1em;
        letter-spacing: 2px;
    }
    .page-atmos .concept-title .title-en {
        font-size: 0.6em;
    }
    .page-atmos .concept-description {
        font-size: 0.85em;
        line-height: 1.8;
    }
}