h1 {
    text-align: center;
}

html {
    font-family: sans-serif;
}

body {
    font-family: "Zen Maru Gothic", serif;
    font-weight: 400;
    font-style: normal;
    background: #ffffff;
}
ul {
    padding: 0;
    list-style: none;
}

a {
    color: #4b5564;
    text-decoration: none;
}

a:hover {
    color: #000;
}

hr {
    height: 1px;
    border: 0;
    border-top: 1px solid #e5e7eb;
}

.main-contents {
    padding: 2rem;
    font-size: 15px;
    color: #4b5564;
    background: #fff;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.footer {
    padding: 2rem;
    font-size: 15px;
    color: #4b5564;
    background: #fff;
}

.footer__navi-heading {
    font-weight: 600;
}

.footer__logo {
    display: inline-block;
    margin-bottom: 2rem;
}

.footer__navi li {
    margin-bottom: 0.75rem;
}

.footer__social a {
    display: inline-block;
    width: 24px;
    opacity: 0.7;
}

.footer__social a:not(:last-child) {
    margin-right: 16px;
}

@media (min-width: 768px) {
    .md-flex {
        display: flex;
    }

    .md-justify-between {
        justify-content: space-between;
    }

    .grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}