@charset "UTF-8";

.header__menu-nav-item:nth-child(2):before {
    content: "";
    display: block;
    background-color: var(--themecolor);
    position: absolute;
    width: 50%;
    height: 2px;
    left: 0;
    bottom: 0;
}
.header__menu-nav-item:nth-child(2):after {
    content: "";
    display: block;
    background-color: var(--subcolor);
    position: absolute;
    width: 50%;
    height: 2px;
    right: 0;
    bottom: 0;
}

.area {
    padding-top: 0.1rem;
}
.about-us .catchphrase-group {
    padding-top: 3rem;
}
.about-us__catchphrase {
    font-size: 2rem;
    line-height: 160%;
}
.about-us__catchphrase small {
    font-size: 1.3rem;
    color: var(--subcolor);
}
.about-us__title {
    font-size: 1.3rem;
    color: #ccc;
    text-align: center;
}
.about-us__caption {
    margin-top: 3rem;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    line-height: 160%;
}
.about-us__caption small {
    font-size: 1rem;
    color: var(--subcolor);
}
.about-us__image {
    padding: 3rem 0 2.5rem 0;
}
.about-us__message-text {
    margin-top: 2rem;
}
.about-us__message .button {
    max-width: 16rem;
    margin-top: 3rem;
}
@media (min-width: 768px) {
    .area {
        padding-top: 0;
    }
    .about-us .catchphrase-group {
        padding-top: 50px;
    }
    .about-us__catchphrase {
        margin-bottom: 20px;
        font-size: 36px;
    }
    .about-us__catchphrase small {
        font-size: 20px;
    }
    .about-us .title-group {
        margin-bottom: 20px;
    }
    .about-us__title {
        writing-mode: vertical-rl;
        padding: 36px 100px;
        margin-left: auto;
        margin-right: auto;
        font-size: 36px;
        color: #ccc;
    }
    .about-us__caption {
        margin-top: 70px;
        margin-bottom: 20px;
        font-size: 24px;
    }
    .about-us__caption small {
        font-size: 18px;
    }
    .about-us .separation {
        margin-top: 65px;
    }
    .about-us__image {
        padding: 70px 0 34px 0;
    }
    .about-us__message-text {
        margin-top: 30px;
    }
    .about-us__message .button {
        max-width: 280px;
        margin-top: 60px;
    }
}