header {
    height: 7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: sticky;
    top: 0;
    padding: 0 1.5rem;
    z-index: 7777;
    background: #fff;
}
header h1 {
    width: 15rem;
}
header h1 a {
    width: 100%;
}
header h1 a img {
    width: 100%;
}

footer {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: #f2f2f2;
    padding: 3rem 0;
}
footer p {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}
footer pre {
    font-size: 1.2rem;
    color: #a5a5a5;
    line-height: 1.4;
    text-align: center;
    margin: 0;
}


main {
    padding: 0 1.5rem;
}
main.subPage {
    padding: 0 1.5rem 3rem;
}




/* common */
h2 {
    font-size: 1.4rem;
    font-weight: 800;
    margin: 2rem 0 2.5rem 0;
}
h3 {
    font-size: 1.8rem;
    font-weight: 800;
    color: #367cfa;
    margin: 2.5rem 0;
}
h4 {
    font-size: 1.6rem;
    font-weight: 800;
    color: #6699f5;
    margin-bottom: 1.5rem;
    line-height: 1.4;
}
pre {
    font-size: 1.4rem;
    font-weight: 500;
    line-height: 1.3;
    color: #7d7d7d;
    margin-bottom: 3rem;
}
b {
    font-size: 1.8rem;
    font-weight: 600;
    color: #367cfa;
}
.section {
    display: flex;
    flex-direction: column;
}
.aButton.link {
    background-color: #9270ff;
    margin-bottom: 1.5rem;
}
.aButton.etc {
    margin-bottom: 3rem;
}
.aButton {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    background-color: #735dff;
    border-radius: 1rem;
    margin-bottom: 1.5rem;
}
.aButton span {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}
.aButton div {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}
.aButton div span {
    font-size: 1.4rem;
    font-weight: 500;
    color: #fff;
}
.aButton div img {
    width: 1rem;
    margin-left: 1rem;
}
.mainBtn {
    padding: 2rem;
    margin-bottom: 2rem;
    background-color: #edf3ff;
    border-radius: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #4f8cfa;
    text-align: center;
}







/* home.php */
.section.home-top {
    justify-content: center;
    align-items: center;
    margin: 1.5rem 0;
}
.section.home-top img {
    width: 50%;
    margin-bottom: 2rem;
}
.section.home-top pre {
    font-size: 1.5rem;
    font-weight: 400;
    color: #000;
    text-align: center;
}