@charset "UTF-8";
@import url(https://fonts.googleapis.com/css?family=Roboto:400,300,100,500,700);
html {
    font-size: 62.5%;
}

body {
    position: relative;
    width: 100%;
    font-size: 100%;
    font-family: Avenir, "Open Sans", "Helvetica Neue", Helvetica, Arial, Verdana, Roboto, "游ゴシック", "Yu Gothic", "游ゴシック体", "YuGothic", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "Meiryo UI", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
}

a {
    text-decoration: none;
}

header {
    position: fixed;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background-color: #FFF;
    z-index: 10;
}

header h1 {
    width: 50%;
    margin-left: 5%;
    padding-top: 16px;
    font-size: 3rem;
}

header h1 img {
    width: 250px;
    height: 46px;
}

header nav {
    width: 50%;
    margin-right: 5%;
}

header nav ul {
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    justify-content: flex-end;
    width: 100%;
    padding-top: 32px;
}

header nav ul li {
    margin-right: 25px;
}

header nav ul li a {
    transition: color 0.3s linear, border-color 0.3s linear;
    display: block;
    padding-bottom: 5px;
    color: #000;
    border-bottom: solid 1px #AAA;
    font-size: 1.2rem;
    justify-content: right;
}

header nav ul li a:hover {
    color: #FF9900;
    border-color: #FF9900;
}

header nav ul li:last-child {
    margin-right: 0;
}

#contents {
    position: relative;
    width: 100%;
}

#contents h3 {
    padding: 80px 0 40px;
    font-size: 4.8rem;
    font-family: 'Roboto', sans-serif;
    font-weight: 900;
}

#contents h3 span {
    font-size: 2.4rem;
    font-weight: normal;
    padding-left: 30px;
}

footer {
    width: 100%;
    padding: 40px 0;
}

footer .copyright {
    text-align: center;
    font-size: 1rem;
}

.cf:before,
.cf:after {
    content: "";
    display: table;
}

.cf:after {
    clear: both;
}