/* heading */
.c-heading__ttlarea {
    display: flex;
    justify-content: space-between;
    width: 350px;
    margin: 0 auto 80px;
}
.c-heading__ttl-main {
    font-size: 35px;
    font-weight: 700;
    color: #46afe1;
    display: block;
}
.c-heading__ttl-sub {
    font-size: 20px;
    color: #6f6f6f;
}
.p-index-profile__contents .c-heading__ttlarea {
    margin: 0 0 80px 0;
}
.p-index-office .c-heading__ttlarea,
.p-index-recruit .c-heading__ttlarea {
    margin: 0 0 80px 0;
    width: 270px;
}
.p-index-info .c-heading__ttlarea,
.p-index-sns .c-heading__ttlarea {
    width: 230px;
}
.p-index-ir .c-heading__ttlarea {
    width: 280px;
    margin: 0 0 80px;
}
@media only screen and (max-width: 768px) {
    .c-heading__ttlarea {
        display: block;
        width: 100%;
        text-align: center;
        margin: 0 auto 60px;
    }
    .c-heading__img {
        margin-bottom: 20px;
    }
    .c-heading__ttl-main {
        margin-bottom: 20px;
    }
    .p-index-profile__contents .c-heading__ttlarea {
        margin: 0 0 60px 0;
    }
    .p-index-office .c-heading__ttlarea,
    .p-index-recruit .c-heading__ttlarea {
        margin: 0 0 60px 0;
        width: auto;
    }
    .p-index-ir .c-heading__ttlarea {
        width: auto;
        margin: 0 0 60px;
    }
}

/* lower-heading */
.c-lower-heading__ttlarea {
    display: flex;
    margin-bottom: 50px;
}
.c-lower-heading__ttl {
    font-size: 30px;
    font-weight: 700;
    color: #45b1e6;
    margin-left: 10px;
    line-height: 1.6;
}
@media only screen and (max-width: 1024px) {
    .c-lower-heading__ttl {
        font-size: 27px;
    }
}

@media only screen and (max-width: 768px) {
    .c-lower-heading__ttlarea {
        margin-bottom: 20px;
    }

    .c-lower-heading__ttl {
        font-size: 24px;
    }
}

@media only screen and (max-width: 480px) {
    .c-lower-heading__ttl {
        font-size: 21px;
    }
}