html {
    overflow-y: scroll;
}

main {
    max-width: 640px;
    word-wrap: break-word;
}

/* Header */
.global-header {
    background: #222 no-repeat center center;
    background-size: cover;
}

.global-header:hover .sns-social {
    display: block;
    position: relative;
    top: 10px;
}

.header-text {
    position: relative;
    padding-bottom: 1px;
    vertical-align: middle;
    background-color: rgba(0, 0, 0, 0.4);
    color: rgba(255, 255, 255, 0.9);
}

.header-text .tag-line {
    margin: 10px auto;
    padding: 0 10px;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    font-weight: 300;
}

.header-text .sns-social {
    top: -500px;
    position: relative;
    text-align: center;
    display: block;
    transition-duration: 1s;
}

.header-text .sns-social a {
    display: inline-block;
    width: 42px;
    height: 32px;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 24px;
    line-height: 24px;
    transition: color,border-color 0.1s linear;
}

.header-text .sns-social a:hover {
    border-color: rgba(255, 255, 255, 1.0);
    color: rgba(255, 255, 255, 1.0);
}
.header-text h1 {
    margin: 0 auto;
    padding-top: 30px;
    text-align: center;
    font-weight: 200;
}

.header-text h1 a {
    color: rgba(255, 255, 255, 1.0);
    text-decoration: none;
}

/* Footer */

.global-footer {
    margin-top: 10px;
    padding-top: 10px;
    width: 100%;
    max-width: 640px;
    height: 100px;
    border-top: 1px solid rgba(0, 0, 0, 0.2);
    color: rgba(0, 0, 0, 0.4);
    text-align: center;
}

/* Article */

.article-list h2 a {
    text-decoration: none;
    transition: color 0.1s linear;
}

.post-meta {
    margin: 5px 0;
}

.post-date {
    color: rgba(0, 0, 0, 0.4);
}

.post-tag a {
    padding: 0 10px;
    color: rgba(0, 0, 0, 0.3);
    text-decoration: none;
    transition: color,background-color 0.1s linear;
}

.post-tag a:hover {
    background-color: rgba(0, 0, 0, 1.0);
    color: rgba(255, 255, 255, 1.0);
}

.not-found h1 {
    color: rgba(0, 0, 0, 0.2);
    font-weight: 200;
    font-size: 80px;
}

.not-found {
    text-align: center;
}

/* Pagination */
.pagination
{
	width: 100%;
}
.older-posts,.newer-posts
{
	display: inline!important;
	text-decoration: none;
	transition: background-color .1s linear;
}

.newer-posts
{
	float: left;
}

.older-posts
{
    float: right;
}

.older-posts:hover,.newer-posts:hover
{
    text-decoration: none;
}

/* Override some of Bootstrap's styles */

pre {
    font-size: 14px;
}

pre code {
    overflow: auto;
    white-space: pre;
    word-wrap: normal;
}

.pager li>a {
    border: 0px;
    transition: background-color 0.1s linear;
}

blockquote {
     font-style:italic;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: "Source Sans Pro", "Kozuka Gothic Pr6N", Meiryo, sans-serif !important;
    font-size: 32px;
}

article section img {
    max-width: 100%;
    height: auto;
    margin: 13px auto;
}