@media screen and (min-width:751px) {
    .inner.first_content {
      margin-top: 200px;
    }
}

.first_content h2 {
    margin: 2rem 0;
    text-align: center;
}

.main h3 {
    margin: 4rem 0 1rem;
    padding-left: 10px;
    font-size: 1.5rem;
    font-weight: normal;
    border-left: solid 10px #75b9b9;
    line-height: 1;
}

.main h3 + p {
    margin-left: 20px;
}

.main ul {
    margin: 3px 0 0 20px;
    font-size: 16px;
}
.main ul li {
    margin: 0 0 3px 1em;
    text-indent: -1em;
    line-height: 24px;
}
.main ul li::before {
    content: "・"
}