* {
    margin: 0;
    box-sizing:border-box;
}

body {
    font-size: 62.5%;
    font-family:sans-serif;
    line-height: 1.2rem;
    color: #666;
}

h1 {
    font-size: 1.2rem;
    color: #000;
    width: 100%;
    margin: 0;
    padding: 0.5rem;
    border-bottom: 1px solid #666; 
}

div.main_contents {
    padding: 1rem;
}

div.title_contents {
    font-size: 1rem;
    font-weight: bold;
    color: #080;
}

div.body_contents {
    font-size: 0.8rem;
    font-weight: bold;
    color: #333;
}

p {
    font-size: 0.9rem;
    text-align: left;
    font-weight: normal;
    padding: 0.5rem 0;
}

ol, ul {
    margin: 0.5rem 0 0;
    font-size: 1rem;
}

/* 文字色変更時に使用 */
.red {
    color: #e52127;
}

.green {
    color: #008000;
}

.blue {
    color: #1347e6;
}

/* 下向きやじるし */
.arrow {
    font-size: 2rem;
    font-weight: bold;
    text-align: center;
    vertical-align: middle;
    margin: 1rem 0;
    padding: 0;
}

/* スクリーンショット */
img.capture {
    display: block;
    clear: both;
    width: 80%;
    max-width: 480px;
    margin: 0 auto;
}

img.natsume {
    border: 0;
    width: 150px;
}