article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
nav,
section,
summary {
  display: block;
}

audio,
canvas,
video {
  display: inline-block;
}

audio:not([controls]) {
  display: none;
  height: 0;
}

[hidden] {
  display: none;
}

html {
  font-family: sans-serif;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
}

a:focus {
  outline: thin dotted;
}

a:active,
a:hover {
  outline: 0;
}

h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

abbr[title] {
  border-bottom: 1px dotted;
}

b,
strong {
  font-weight: bold;
}

dfn {
  font-style: italic;
}

hr {
  -moz-box-sizing: content-box;
  box-sizing: content-box;
  height: 0;
}

mark {
  background: #ff0;
  color: #000;
}

code,
kbd,
pre,
samp {
  font-family: monospace, serif;
  font-size: 1em;
}

q {
  quotes: "\201C""\201D""\2018""\2019";
}

small {
  font-size: 80%;
}

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

img {
  border: 0;
}

svg:not(:root) {
  overflow: hidden;
}

figure {
  margin: 0;
}

fieldset {
  border: 1px solid #c0c0c0;
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em;
}

legend {
  border: 0;
  padding: 0;
}

form {
  text-align: center;
}

div .page-item {
  margin-top: 15px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  overflow: auto;
  max-height: 300px;
}

div .article-item {
  margin-top: 15px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  overflow: auto;
  max-height: 600px;
}

div#submit {
  margin: 10px;
  text-align: center;
}

.input {
  padding: 10px;
}

input {
  border: 0;
  border-radius: 4px;
  outline: 0;
  background: rgba(0, 0, 0, 0.064);
  padding: 8px 6px;
  font-size: 18px;
  line-height: 1;
  box-sizing: border-box;
  width: 300px;
  margin-right: 4px;
}

label {
  display: block;
  padding-bottom: 5px;
}

textarea {
  border: 0;
  border-radius: 4px;
  outline: 0;
  background: rgba(0, 0, 0, 0.064);
  padding: 5px;
  width: 98%;
}

button {
  border: 0;
  background-color: #fff;
  text-decoration: underline;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: 100%;
  margin: 0;
}

button,
input {
  line-height: normal;
}

button,
select {
  text-transform: none;
}

button,
html input[type="button"],
input[type="submit"] {
  appearance: button;
  cursor: pointer;
}

button[type="submit"] {
  border: 0;
  background-color: #fff;
  text-decoration: underline;
}

button[disabled],
html input[disabled] {
  cursor: default;
}

button::-moz-focus-inner,
input::-moz-focus-inner {
  border: 0;
  padding: 0;
}

textarea {
  overflow: auto;
  vertical-align: top;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

#wrapper {
  width: 800px;
  margin-left: auto;
  margin-right: auto;
  padding-top: 20px;
  padding-left: 10px;
  padding-right: 10px;
}

@media only screen and (max-width: 768px) {
  #wrapper {
    width: auto;
  }
}

#header {
  padding-bottom: 20px;
}

@media only screen and (min-width: 1200px) {
  #header {
    opacity: 0.7;
  }

  #header a:hover {
    opacity: 1;
    color: #223;
  }
}

#header #site_name {
  text-decoration: none;
  font-size: 1.3em;
}

@media only screen and (max-width: 1200px) {
  #header #site_name {
    display: block;
    text-align: center;
    font-size: 2em;
    color: #111;
  }
}

#header nav {
  text-align: center;
  display: block;
  float: none;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

#header nav a {
  padding-left: 5px;
  padding-right: 5px;
}

#header nav a:last-child {
  padding-right: 0;
}

@media only screen and (min-width: 1200px) {
  #header nav {
    display: inline;
    float: right;
    border-top: 0;
    border-bottom: 0;
  }
}

#content .date {
  font-style: italic;
  color: gray;
}

#content ol#posts {
  list-style-type: none;
}

#content ol#posts li {
  padding-top: 5px;
  padding-bottom: 5px;
}

#content ol#posts li a {
  padding-left: 5px;
}

#content ol#posts li .date {
  font-size: 0.8em;
}

#content #pagination {
  font-family: "Lucida Grande", "Helvetica Neue", Helvetica, Arial, sans-serif;
  text-align: center;
}

#content #pagination #prev {
  float: left;
}

#content #pagination #next {
  float: right;
}

#content .post h1#title {
  text-align: center;
}

#content .post > .date {
  text-align: center;
}

#content .post article {
  padding-left: 6px;
  padding-top: 30px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  word-break: break-word;
}

#content .post .tags {
  display: inline;
  color: gray;
  font-style: italic;
  font-size: 0.9em;
}

#content .post .tags a {
  color: gray;
}

#content .post .admin_ops {
  color: gray;
  float: right;
  font-style: italic;
  font-size: 0.9em;
}

#content .post .admin_ops a {
  color: gray;
  text-decoration: underline;
}

#content .giscus {
  margin-top: 20px;
  padding-top: 20px;
  padding-bottom: 10px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

#login input,
#change_pw input {
  text-align: center;
}

#footer {
  color: gray;
  font-size: 0.8em;
  text-align: center;
  margin-top: 20px;
  padding-top: 10px;
  padding-bottom: 10px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

#footer a {
  color: gray;
}