:root {
    --row-top-margin: 8rem;
    --row-bottom-margin: 3rem;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: 14px;
    font-weight: normal;
}

img.logo {
    max-height: 8rem;
}

h1 {
    margin-top: var(--row-top-margin);
    margin-bottom: var(--row-bottom-margin);
    display: inline-block;
    width: 100%;
    text-align: center;
}

h2 {
    margin-top: var(--row-top-margin);
    margin-bottom: var(--row-bottom-margin);
    color: #1A5CA0;
    font-size: 3rem;
    font-weight: bold;
    text-align: center;
}

h3 {
    color: #27A5B8;
    font-size: 2rem;
    font-weight: bold;
}

h4 {
    color: #1A5CA0;
    font-size: 1.5rem;
}

p {
    font-size: 1rem;
    line-height: 1.75rem;
}

ul {
    list-style: none;
    padding: 0;
}

li {
    font-size: 1rem;
    line-height: 1.75rem;
}

li:before {
    content: "";
    width: 0.8rem;
    height: 0.8rem;
    display: inline-block;
    background-color: #FF7E00;
    border-radius: 50%;
    margin-right: 0.25rem;
}

a:link {
    color:#27A5B8;
}
a:visited {
    color:#27A5B8;
}
a:hover {
    color:#27A5B8;
}
a:active {
    color:#27A5B8;
}

.footer {
    margin-top: var(--row-top-margin);
    padding-top: var(--row-bottom-margin);
    width: 100vw;
    height: 150px;
    background-color: #FFA810;
    color: #fff;
    font-weight: bold;
    text-align: center;
}

.feature {
    color: #fff;
    background-color: #FF7E00;
    text-align: center;
    font-size: 2rem;
    font-weight: bold;
    width: 6rem;
    height: 6rem;
    line-height: 6rem;
    border-radius: 50%;
}

.row-second {
    margin-top: var(--row-bottom-margin);
}

.article-wrap {
    margin-top: 1.5rem;
}

@media (min-width: 768px) {
    h3.feature-header { margin-left: 2.5rem; }
    h4.feature-header { margin-left: 2.5rem; }
}

@media (min-width: 1200px) {
    h3.feature-header { margin-left: 1rem; }
    h4.feature-header { margin-left: 1rem; }
}

@media screen and (max-width:767px){
    h3 {
        margin-top: 1rem;
        font-size: 1.8rem;
    }
    h2 {
        margin: 3rem 0 2rem 0;
        font-size: 2.5rem;
    }
    h4 {
        font-size: 1.3rem;
    }
}