@charset "utf-8";

* {
    margin: 0;
    padding: 0;
}

html {
    color: #363636;
    font-family: Verdana, sans-serif;
}

p {
    line-height: 1.5;
}

a {
    text-decoration: none;
}

.page_top {
    width: 18em;
    height: 22em;
    margin: 5em auto;
}

.page_top > img {
    width: 10.5em;
    padding: 1.5em 3.75em;
}

.page_container {
    width: 18em;
    margin-left: auto;
    margin-right: auto;
}

.page_container a {
    color: #777777;
}

section {
    margin-bottom: 5em;
}

.section_title {
    font-size: 1.5em;
    font-weight: normal;
    text-align: center;
    border-top: 1px solid #d7d7d7;
    border-bottom: 1px solid #d7d7d7;
    padding: 0.5em 0;
    margin: 1.5em 0;
}

.large {
    display: inline-block;
    box-sizing: border-box;
    border-radius: 50%;
    border: 1px solid #d7d7d7;
    width: 18em;
    height: 18em;
    text-align: center;
    margin-top: 1em;
    margin-bottom: 1em;
}

.large:hover {
    border: 3px solid #d7d7d7;
}

.container_16x16 {
    width: 16em;
    height: 16em;
    margin: 1.25em;
    color: #363636;
}

.container_14x14 {
    width: 14em;
    height: 14em;
    margin: 2em;
    color: #363636;
}

.app_icon {
    width: 9.75em;
}

.app_title {
    font-size: 1.5em;
    font-weight: bold;
}

.app_OS {
    font-size: 0.8em;
}

.section_contents p {
    text-align: center;
}

.link:hover {
    border-bottom: 2px solid #d7d7d7;
}

@media screen and (min-width: 768px){
    .large {
        margin: 1em 3.5em;
    }

    .page_top {
        width: 25em;
        height: 25em;
    }

    .page_top > img {
        width: 13em;
        padding: 1.5em 6em;
    }

    .page_container {
        width: 25em;
    }

    .section_contents {
        width: 18em;
        margin-left: 3.5em;
        margin-right: 3.5em;
    }
}