main {
    text-align: center;
}

h2 {
    font-size: 35px;
    color: var(--main-color);
}

.career {
    margin-left: auto;
    margin-right: auto;
    max-width: 600px;
    font-size: 16px;
    line-height: 36px;
    letter-spacing: 1px;
    color: rgba(0, 0, 0, 1);
    align-items: center;
    display: block;
    text-align: center;
}

.career .title {
    font-size: 24px;
}

.career .content {
    text-align: center;
    font-size: 20px;
}

footer {
    position: absolute;
    /*←絶対位置*/
    bottom: 0;
    /*下に固定*/
    width: 100%;
}

@media (max-width: 481px) {
    .career .content {
        font-size: 16px;
    }
}