/*
 * Base
 */
html {
    font-family: "Helvetica Neue", "Arial", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

body {
    background-color: #656565;
}

img {
    vertical-align: middle;
}

button {
    outline: none;
}

::-moz-selection {
    background: #b3d4fc;
    text-shadow: none;
}

::selection {
    background: #b3d4fc;
    text-shadow: none;
}

.page-header {
    background-color: #fff;
}

.page-header h1 {
    width: 976px;
    height: 80px;
    margin: 0 auto;
    padding-left: 10px;
    font-size: 20px;
    font-weight: normal;
    line-height: 80px;
    letter-spacing: 0.1em;
}

.page-main {
    position: relative;
}

.page-main > aside {
    background-color: rgba(0,0,0,0.8);
    width: 350px;
    height: 100%;
    top: 0;
    left: -350px;
    position: fixed;
}

.page-main > aside ul {
    margin: 0;
    padding: 0;
    top: 50px;
    left: 114px;
    position: absolute;
}

.page-main > aside li {
    margin: 0 0 20px;
    list-style: none;
}

.page-main > aside button {
    background-color: rgba(0,0,0,0.8);
    display: block;
    position: absolute;
    top: 150px;
    left: 350px;
    width: 52px;
    height: 132px;
    margin: 0;
    padding: 0;
    border: none;
}

.page-footer {
    background-color: #656565;
}

.page-footer small {
    display: block;
    color: #fff;
    font-size: 11px;
    text-align: right;
    width: 976px;
    margin: 0 auto;
    height: 120px;
    line-height: 120px;
    letter-spacing: 0.15em;
}

.page-footer a {
    color: #fff;
    text-decoration: none;
}

/*
 * Helpers
 */

/* Clearfix */
.clearfix:before,
.clearfix:after {
    content: " ";
    display: table;
}
.clearfix:after {
    clear: both;
}