.cro_logo {
    max-width: 400px;
    width: 100%;
    height: auto;
    aspect-ratio: 400 / 60;
    background: url(../img/logmaster-logo.png) no-repeat center/contain;
}

.solution_diagram {
    width: 100%;
    max-width: 100%;
    height: auto;
    aspect-ratio: 1000 / 740;
    background: url(../img/log-master.png) no-repeat center/contain;
    padding: 20px;
    margin: 40px auto 0;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

/* 반응형 디자인 */
@media screen and (max-width: 1600px) {
    .cro_logo {
        max-width: 220px;
        aspect-ratio: 400 / 60;
    }

    .solution_diagram {
        padding: 15px;
        aspect-ratio: 1000 / 740;
    }
}

@media screen and (max-width: 1400px) {
    .cro_logo {
        max-width: 180px;
        aspect-ratio: 400 / 60;
    }

    .solution_diagram {
        padding: 10px;
        aspect-ratio: 1000 / 740;
    }
}

@media screen and (max-width: 768px) {
    .cro_logo {
        max-width: 200px;
        aspect-ratio: 400 / 60;
    }

    .solution_diagram {
        padding: 5px;
        aspect-ratio: 1000 / 740;
    }
}