@import url("https://fonts.googleapis.com/css2?family=Source+Sans+Pro&display=swap");
.header {
  background: none;
  border: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 200;
  transition: background 0.5s;
}

.fixed-header {
  position: fixed;
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 0 3px rgba(14, 14, 14, 0.26);
}
.fixed-header .home-link {
  color: #42b983;
}
.fixed-header .menu .icon-bar {
  background-color: #7f8c8d;
}
.fixed-header .item-link {
  color: #34495e;
}

.header-container {
  max-width: 1200px;
  height: 40px;
  margin: 0 auto;
  padding: 10px 40px;
  position: relative;
}
@media screen and (max-width: 480px) {
  .header-container {
    padding: 6px 20px;
    position: relative;
  }
}

.logo {
  background: url("images/logo.png");
  background-size: contain;
  background-repeat: no-repeat;
  width: 40px;
  height: 40px;
  margin-right: 10px;
}

.home-link {
  display: flex;
  align-items: center;
  float: left;
  font-weight: 500;
  color: #ffffff;
  font-size: 1.5em;
  line-height: 40px;
}

.right-list {
  list-style: none;
  float: right;
  padding: 0;
}
@media screen and (max-width: 480px) {
  .right-list {
    display: none;
  }
}

.list-item {
  display: inline-block;
  margin: 0 8px;
}

.item-link {
  height: 40px;
  line-height: 40px;
  text-decoration: none;
  color: #ffffff;
  padding-bottom: 3px;
}

.item-link:hover {
  border-bottom: 3px solid #42b983;
}

.active {
  border-bottom: 3px solid #42b983;
}

.menu {
  display: none;
  float: right;
  width: 24px;
  height: 24px;
  margin-top: 10px;
}
.menu .icon-bar {
  display: block;
  width: 24px;
  height: 2px;
  border-radius: 1px;
  margin-top: 4px;
  background-color: #ffffff;
}
@media screen and (max-width: 480px) {
  .menu {
    display: block;
  }
}

.menu-mask {
  display: none;
  position: fixed;
  left: 0;
  top: 52px;
  z-index: 99;
  width: 100%;
  overflow: hidden;
  max-height: 0;
  background: rgba(255, 255, 255, 0.98);
  transition: max-height 0.2s ease;
}
@media screen and (max-width: 480px) {
  .menu-mask {
    display: block;
  }
}

.open {
  max-height: 300px;
  transition-delay: 0.1s;
}

.menu-list {
  padding: 0;
}

.menu-item {
  position: relative;
  list-style: none;
  text-align: center;
  padding: 10px 0;
}
.menu-item:after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  transform: scaleY(0.5);
}

.menu-link {
  text-decoration: none;
  color: #7f8c8d;
}

.mobile-active {
  color: #42b983;
}

.app-footer {
  padding: 1em 0;
  margin: 0 auto;
  max-width: 960px;
  border-top: 1px solid #e5e5e5;
  background-color: #ffffff;
  text-align: center;
  font-size: 0.9em;
}

.copyright {
  color: #7f8c8d;
  line-height: 1.5;
}

.guide-pager {
  margin: 1em 3em;
  display: flex;
  justify-content: space-between;
  font-size: 15px;
  font-weight: 600;
}

.page-arrow {
  color: #34495e;
}

.unvisible {
  visibility: hidden;
}

.markdown-content, .article-summary {
  overflow-y: auto;
  overflow-x: auto;
}
.markdown-content pre, .markdown-content code, .article-summary pre, .article-summary code {
  font-family: "Roboto Mono", Monaco, courier, monospace;
  font-size: 13px;
}
@media screen and (max-width: 480px) {
  .markdown-content pre, .markdown-content code, .article-summary pre, .article-summary code {
    font-size: 12px;
  }
}
.markdown-content pre .line, .markdown-content code .line, .article-summary pre .line, .article-summary code .line {
  min-height: 13px;
  margin: 2px 0;
}
.markdown-content p, .article-summary p {
  line-height: 1.6em;
}
.markdown-content p code, .article-summary p code {
  background-color: #f8f8f8;
  color: #e96900;
  padding: 3px 5px;
  margin: 0 2px;
  border-radius: 2px;
  white-space: nowrap;
}
.markdown-content > p, .article-summary > p {
  margin-top: 1rem;
}
.markdown-content li code, .article-summary li code {
  background-color: #f8f8f8;
  color: #e96900;
  padding: 3px 5px;
  margin: 0 2px;
  border-radius: 2px;
  white-space: nowrap;
}
.markdown-content h1, .article-summary h1 {
  font-size: 1.8em;
}
.markdown-content h2, .article-summary h2 {
  font-size: 1.5em;
}
.markdown-content h3, .article-summary h3 {
  margin: 1em 0;
  font-size: 1.3em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid #e5e5e5;
}
.markdown-content h4, .article-summary h4 {
  margin: 1em 0;
  font-size: 1.2em;
}
.markdown-content h4:before, .article-summary h4:before {
  content: "#";
  color: #42b983;
  margin-right: 5px;
  font-size: 1.2em;
  font-weight: 700;
}
.markdown-content h5, .article-summary h5 {
  font-size: 1em;
  margin: 0.8em 0;
}
.markdown-content blockquote, .article-summary blockquote {
  margin: 1em 0;
  padding: 10px 20px;
  border-left: 4px solid #42b983;
  background: #f8f8f8;
  border-bottom-right-radius: 2px;
  border-top-right-radius: 2px;
}
.markdown-content ul, .markdown-content ol, .article-summary ul, .article-summary ol {
  overflow: auto;
  margin: 5px 0;
}
.markdown-content ul li, .markdown-content ol li, .article-summary ul li, .article-summary ol li {
  padding: 5px 0;
}
.markdown-content img, .article-summary img {
  max-width: 100%;
  display: block;
  margin: 20px auto;
  cursor: zoom-in;
}
.markdown-content > table, .article-summary > table {
  width: 100%;
}
.markdown-content > table thead, .article-summary > table thead {
  background-color: #42b983;
  border-top-width: 1px;
  border-top-style: solid;
  border-top-color: #e5e5e5;
}
.markdown-content > table thead th, .article-summary > table thead th {
  padding: 5px 10px;
  color: #ffffff;
}
.markdown-content > table tbody tr:nth-child(even), .article-summary > table tbody tr:nth-child(even) {
  background: #e6eed6;
}
.markdown-content > table tbody tr:nth-child(odd), .article-summary > table tbody tr:nth-child(odd) {
  background: #ffffff;
}
.markdown-content > table tbody tr td, .article-summary > table tbody tr td {
  padding: 5px 10px;
}
.markdown-content hr, .article-summary hr {
  border: none;
  border-bottom: 1px dashed #e5e5e5;
  margin: 30px 0;
}

#tag-cloud {
  margin: 30px 0;
  text-align: center;
}
#tag-cloud a {
  border: none;
  line-height: 28px;
  margin: 0 4px;
  margin-bottom: 8px;
  background: #63a35c;
  display: inline-block;
  border-radius: 4px;
  padding: 0 10px;
  color: #ffffff;
  transition: background 0.5s;
}
#tag-cloud a:hover {
  background: rgb(0, 133, 161);
}
#tag-cloud .tag0 {
  background: #bbbbee;
}
#tag-cloud .tag1 {
  background: #9cb2e1;
}
#tag-cloud .tag2 {
  background-color: rgba(0, 133, 161, 0.8);
}

.tag-list {
  margin-left: 1em;
  margin-right: 1em;
}

.tag-name {
  font-size: 1.4em;
  position: relative;
}
.tag-name:before {
  content: "#";
  color: #42b983;
  position: absolute;
  left: -0.7em;
  top: -2px;
  font-size: 1.2em;
  font-weight: 700;
}

.tag-preview {
  font-size: 1.1em;
  padding-left: 1em;
}
.tag-preview li {
  cursor: pointer;
  margin: 10px 0;
}

#category-cloud {
  margin: 30px 0;
  text-align: center;
}
#category-cloud a {
  border: none;
  line-height: 28px;
  margin: 0 4px;
  margin-bottom: 8px;
  background: #63a35c;
  display: inline-block;
  border-radius: 4px;
  padding: 0 10px;
  color: #ffffff;
  transition: background 0.5s;
}
#category-cloud a:hover {
  background: rgb(0, 133, 161);
}
#category-cloud .category0 {
  background: #bbbbee;
}
#category-cloud .category1 {
  background: #9cb2e1;
}
#category-cloud .category2 {
  background-color: rgba(0, 133, 161, 0.8);
}

.category-list {
  margin-left: 1em;
  margin-right: 1em;
}

.category-name {
  font-size: 1.4em;
  position: relative;
}
.category-name:before {
  content: "#";
  color: #42b983;
  position: absolute;
  left: -0.7em;
  top: -2px;
  font-size: 1.2em;
  font-weight: 700;
}

.category-preview {
  font-size: 1.1em;
  padding-left: 1em;
}
.category-preview li {
  cursor: pointer;
  margin: 10px 0;
}

#archives:before {
  position: absolute;
  top: 2em;
  bottom: 1em;
  left: 30px;
  height: auto;
  content: "";
  background-color: #42b983;
  width: 4px;
}

.time-section {
  padding-left: 30px;
  position: relative;
}
.time-section .section-year {
  cursor: pointer;
  font-size: 1.8em;
  margin-left: 10px;
}
.time-section .section-year:before {
  position: absolute;
  left: 8px;
  top: 11px;
  content: "";
  background-color: #ffffff;
  width: 12px;
  height: 12px;
  border: 2px solid #42b983;
  border-radius: 50%;
}
.time-section .section-list .section-list-item {
  margin: 20px 0 20px 10px;
  position: relative;
}
.time-section .section-list .section-list-item:before {
  position: absolute;
  left: -29px;
  top: 7px;
  content: "";
  background-color: #42b983;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.time-section .section-list .section-list-item .archive-title {
  color: #34495e;
  transition: all 0.3s ease;
  font-size: 1.1em;
}
.time-section .section-list .section-list-item .archive-title:hover {
  color: #42b983;
  padding-left: 10px;
}
.time-section .section-list .section-list-item .archive-date {
  color: #7f8c8d;
  font-size: 0.9em;
  margin: 5px 0;
}

#about-banner {
  width: 100%;
  position: relative;
  background-image: url("images/about.jpg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  height: 350px;
}
#about-banner:after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  content: "";
  opacity: 0.25;
  background: url("images/escheres.png");
  background-color: rgba(0, 0, 0, 0.05);
}
@media screen and (max-width: 480px) {
  #about-banner {
    height: 250px;
  }
}

.author {
  margin-top: -50px;
  width: 100%;
  background: #f8f8f8;
  text-align: center;
  padding: 0 1em 30px 1em;
  box-sizing: border-box;
}
.author .head {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  padding: 3px;
  background: #ffffff;
  box-shadow: 0 0 5px #95a5a6;
  position: relative;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.4s;
}
.author .head .avatar-image {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 50%;
  background-image: url("images/avatar.jpg");
  background-size: contain;
  background-repeat: no-repeat;
}
.author h3 {
  font-size: 1.4em;
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.4s;
  transition-delay: 0.05s;
}
.author .description {
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.4s;
  transition-delay: 0.1s;
}
.author .share-icons {
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.4s;
  transition-delay: 0.15s;
  margin-top: 2em;
}
.author .share-icons a {
  font-size: 1em;
  display: inline-block;
  margin: 0 0.4em;
}
.author .share-icons a:hover {
  transition: opacity 0.2s;
  opacity: 0.6;
}
.author .share-icons .icon-twitter {
  color: #2aa9e0;
}
.author .share-icons .icon-github {
  color: #333333;
}
.author .share-icons .icon-linkedin {
  color: #0077B5;
}

.project-app {
  max-width: 1020px;
  min-width: 300px;
  padding: 1em 0;
}

.card-container {
  margin: 30px auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
@media screen and (max-width: 960px) {
  .card-container {
    width: 660px;
  }
}
@media screen and (max-width: 480px) {
  .card-container {
    width: 320px;
  }
}
.card-container .project-card {
  width: 320px;
  height: 160px;
  margin-bottom: 20px;
  position: relative;
}
.card-container .project-card .card-wrap {
  box-sizing: border-box;
  height: 100%;
  display: block;
  padding: 20px;
  border: 1px solid #e5e5e5;
  border-radius: 4px;
  color: #34495e;
  transition: border-color 0.1s ease-in-out, box-shadow 0.1s ease-in-out;
}
.card-container .project-card .card-wrap:hover {
  border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.15);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 4px 12px rgba(0, 0, 0, 0.1);
}
.card-container .project-card .card-wrap .card-header {
  position: absolute;
  width: 100%;
  height: 20px;
  top: 0;
  left: 0;
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
}
.card-container .project-card .card-wrap .card-title {
  margin-top: 10px;
  margin-bottom: 5px;
  font-size: 1.2em;
}
.card-container .project-card .card-wrap .card-footer {
  box-sizing: border-box;
  position: absolute;
  width: 100%;
  padding: 0 20px;
  bottom: 20px;
  left: 0;
}
.card-container .project-card .card-wrap .card-footer span:first-child {
  padding-right: 20px;
}
.card-container .project-card .card-wrap .card-footer span .fa {
  padding-right: 5px;
}

.catalog-container {
  display: block;
  margin-left: 20px;
  flex-basis: 280px;
  flex-shrink: 0;
}
@media screen and (max-width: 960px) {
  .catalog-container {
    display: none;
  }
}
.catalog-container .fixed-toc {
  position: fixed;
  top: 90px;
}
.catalog-container .toc-main {
  padding-left: 20px;
  border-left: 1px solid #e5e5e5;
  width: 280px;
  box-sizing: border-box;
}
.catalog-container .toc-main .toc-title {
  font-size: 1.2em;
  position: relative;
  padding-left: 28px;
}
.catalog-container .toc-main .toc-title:before {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  left: 0;
  top: 2px;
  background: url("images/catalog.svg") no-repeat;
  background-size: contain;
}
.catalog-container .toc-main .toc-nav {
  padding: 0;
  margin-top: 1em;
  overflow-y: scroll;
  max-height: 480px;
}
.catalog-container .toc-main .toc-nav::-webkit-scrollbar {
  display: none;
}
.catalog-container .toc-main ol {
  padding-left: 20px;
}
.catalog-container .toc-main li {
  list-style-type: none;
  line-height: 1.5;
}

.nav-container {
  width: 100%;
  padding-top: 1.5em;
  margin-top: 1.5em;
  border-top: 1px dashed #e5e5e5;
  font-weight: 600;
}
.nav-container:after, .nav-container:before {
  content: "";
  display: table;
  clear: both;
}
.nav-container .nav-left {
  float: left;
}
.nav-container .nav-right {
  float: right;
}
.nav-container .nav-arrow {
  color: #34495e;
}

.search-pop-overlay {
  background: rgba(0, 0, 0, 0);
  height: 100%;
  left: 0;
  position: fixed;
  top: 0;
  transition: visibility 0s linear 0.2s, background 0.2s;
  visibility: hidden;
  width: 100%;
  z-index: 1400;
}
.search-pop-overlay.search-active {
  background: rgba(0, 0, 0, 0.3);
  transition: background 0.2s;
  visibility: visible;
}

.search-popup {
  background: #f5f5f5;
  border-radius: 5px;
  height: 80%;
  left: calc(50% - 350px);
  position: fixed;
  top: 10%;
  transform: scale(0);
  transition: transform 0.2s;
  width: 700px;
  z-index: 1500;
}
.search-active .search-popup {
  transform: scale(1);
}
@media screen and (max-width: 480px) {
  .search-popup {
    border-radius: 0;
    height: 100%;
    left: 0;
    margin: 0;
    top: 0;
    width: 100%;
  }
}
.search-popup .search-icon, .search-popup .popup-btn-close {
  color: #999;
  font-size: 18px;
  padding: 0 10px;
}
.search-popup .popup-btn-close {
  cursor: pointer;
}
.search-popup .popup-btn-close:hover .fa {
  color: #222;
}
.search-popup .search-header {
  background: #eee;
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  display: flex;
  padding: 5px;
}
.search-popup input.search-input {
  background: transparent;
  border: 0;
  outline: 0;
  width: 100%;
}
.search-popup input.search-input::-webkit-search-cancel-button {
  display: none;
}

.search-popup .search-input-container {
  flex-grow: 1;
  padding: 2px;
}
.search-popup ul.search-result-list {
  margin: 0 5px;
  padding: 0;
  width: 100%;
}
.search-popup li.search-result-element {
  padding: 10px 0px 10px 0px;
}
.search-popup p.search-result {
  border-bottom: 1px;
  padding: 3px 0px 0px 0px;
  color: #34495e;
}
.search-popup a.search-result-title {
  font-weight: bold;
  color: #34495e;
}
.search-popup .search-keyword {
  border-bottom: 1px dashed #ff2a2a;
  color: #ff2a2a;
  font-weight: bold;
}
.search-popup #search-result {
  display: flex;
  height: calc(100% - 55px);
  overflow: auto;
  padding: 5px 25px;
}
.search-popup #no-result {
  color: #cccccc;
  margin: auto;
}

li.menu-item.menu-item-search.right-list {
  padding: 10px;
}

/**
 * One Light theme for prism.js
 * Based on Atom's One Light theme: https://github.com/atom/atom/tree/master/packages/one-light-syntax
 */
/**
 * One Light colours in terms of RGB (accurate as of commit eb064bf on 19 Feb 2021)
 * @mono-1: #383a42
 * @mono-2: #696c77
 * @mono-3: #a0a1a7
 * @hue-1: #0184bc <- cyan
 * @hue-2: #4078f2 <- blue
 * @hue-3: #a626a4 <- purple
 * @hue-4: #50a14f <- green
 * @hue-5: #e45649 <- red 1
 * @hue-5-2: #ca1243 <- red 2
 * @hue-6: #b76b01 <- orange 1
 * @hue-6-2: #cb7701 <- orange 2
 * @syntax-fg: #383a42
 * @syntax-bg: #fafafa
 * @syntax-gutter: #9d9d9f
 * @syntax-guide: #383a4233
 * @syntax-accent: #526eff
 * @syntax-selection-color: #e5e5e6
 */
code[class*=language-],
pre[class*=language-] {
  background: #fafafa;
  color: #383a42;
  font-family: "Fira Code", "Fira Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace;
  direction: ltr;
  text-align: left;
  white-space: pre;
  word-spacing: normal;
  word-break: normal;
  line-height: 1.5;
  -moz-tab-size: 2;
  -o-tab-size: 2;
  tab-size: 2;
  -webkit-hyphens: none;
  -moz-hyphens: none;
  -ms-hyphens: none;
  hyphens: none;
}

/* Selection */
code[class*=language-]::-moz-selection,
pre[class*=language-] *::-moz-selection {
  background: #e5e5e6;
}

code[class*=language-]::selection,
pre[class*=language-] *::selection {
  background: #e5e5e6;
}

/* Code blocks */
pre[class*=language-] {
  padding: 1em;
  margin: 0.5em 0;
  overflow: auto;
  border-radius: 0.3em;
}

/* Inline code */
:not(pre) > code[class*=language-] {
  padding: 0.2em 0.3em;
  border-radius: 0.3em;
  white-space: normal;
}

.token.comment,
.token.prolog,
.token.cdata {
  color: #a0a1a7;
}

.token.doctype,
.token.punctuation,
.token.entity {
  color: #383a42;
}

.token.attr-name,
.token.class-name,
.token.boolean,
.token.constant,
.token.number,
.token.atrule {
  color: #b76b01;
}

.token.keyword {
  color: #a626a4;
}

.token.property,
.token.tag,
.token.symbol,
.token.deleted,
.token.important {
  color: #e45649;
}

.token.selector,
.token.string,
.token.char,
.token.builtin,
.token.inserted,
.token.regex,
.token.attr-value,
.token.attr-value > .token.punctuation {
  color: #50a14f;
}

.token.variable,
.token.operator,
.token.function {
  color: #4078f2;
}

.token.url {
  color: #0184bc;
  text-decoration: underline;
}

/* HTML overrides */
.token.attr-value > .token.punctuation.attr-equals,
.token.special-attr > .token.attr-value > .token.value.css {
  color: #383a42;
}

/* CSS overrides */
.language-css .token.selector {
  color: #e45649;
}

.language-css .token.property {
  color: #383a42;
}

.language-css .token.url {
  text-decoration: none;
}

.language-css .token.function,
.language-css .token.url > .token.function {
  color: #0184bc;
}

.language-css .token.url > .token.string.url {
  color: #50a14f;
}

.language-css .token.important,
.language-css .token.atrule .token.rule {
  color: #a626a4;
}

/* JS overrides */
.language-javascript .token.operator {
  color: #a626a4;
}

.language-javascript .token.template-string > .token.interpolation > .token.interpolation-punctuation.punctuation {
  color: #ca1243;
}

/* JSON overrides */
.language-json .token.operator {
  color: #383a42;
}

.language-json .token.null.keyword {
  color: #b76b01;
}

/* MD overrides */
.language-markdown .token.url,
.language-markdown .token.url > .token.operator,
.language-markdown .token.url-reference.url > .token.string {
  color: #383a42;
  text-decoration: none;
}

.language-markdown .token.url > .token.content {
  color: #4078f2;
  text-decoration: none;
}

.language-markdown .token.url > .token.url,
.language-markdown .token.url-reference.url {
  color: #0184bc;
  text-decoration: underline;
}

.language-markdown .token.blockquote.punctuation,
.language-markdown .token.hr.punctuation {
  color: #a0a1a7;
  font-style: italic;
}

.language-markdown .token.code-snippet {
  color: #50a14f;
}

.language-markdown .token.bold .token.content {
  color: #b76b01;
}

.language-markdown .token.italic .token.content {
  color: #a626a4;
}

.language-markdown .token.strike .token.content,
.language-markdown .token.strike .token.punctuation,
.language-markdown .token.list.punctuation,
.language-markdown .token.title.important > .token.punctuation {
  color: #e45649;
}

/* General */
.token.bold {
  font-weight: bold;
}

.token.comment,
.token.italic {
  font-style: italic;
}

.token.entity {
  cursor: help;
}

.token.namespace {
  opacity: 0.8;
}

::selection {
  background: #42b983;
  color: #ffffff;
}

body {
  font-family: "Source Sans Pro", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: none;
  position: relative;
  height: 100%;
  margin: 0;
  color: #34495e;
  font-size: 16px;
}
@media screen and (max-width: 480px) {
  body {
    font-size: 15px;
  }
}

ol, ul, form, p {
  margin: 0;
}

a {
  text-decoration: none;
  color: #42b983;
  cursor: pointer;
}

p {
  word-spacing: 0.05em;
}

pre {
  overflow-x: auto;
}

.flex-box {
  display: flex;
  transform: unset !important;
}

.app-body {
  padding: 2em 1em;
  margin: 0 auto;
  height: 100%;
  max-width: 980px;
  position: relative;
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.4s;
}

.hljs {
  background: none !important;
}

.tags {
  margin: 15px 0;
}
.tags span:first-child {
  margin-right: 10px;
  font-weight: 600;
}

.tag-code {
  font-family: "Roboto Mono", Monaco, courier, monospace;
  font-size: 0.8em;
  display: inline-block;
  background-color: #f8f8f8;
  color: #e96900;
  padding: 3px 5px;
  margin: 0 2px 5px 0;
  border-radius: 2px;
  white-space: nowrap;
}

.article-card {
  padding-bottom: 20px;
}
.article-card:first-child {
  margin-top: 60px;
}

h2.article-head {
  font-size: 1.6em;
  margin-bottom: 0;
}

.article-head > a {
  color: #34495e;
}
.article-head > a:hover {
  border-bottom: 2px solid #42b983;
}

.article-date {
  color: #7f8c8d;
  margin: 10px 0;
  font-size: 0.9em;
}

.article-summary {
  margin: 10px 0;
  color: #34495e;
}

.more {
  font-weight: 600;
  display: inline-block;
  transition: all 0.3s;
}
.more:hover {
  transform: translateX(10px);
}

#article-banner {
  width: 100%;
  box-sizing: border-box;
  top: 0;
  left: 0;
  padding: 100px 20px 25px 20px;
  text-align: center;
  position: relative;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
@media screen and (max-width: 480px) {
  #article-banner {
    padding: 80px 10px 25px 10px;
  }
}
#article-banner h2 {
  margin: 0.4em 0;
  font-size: 2.2em;
  color: #ffffff;
  text-shadow: 0 0 40px #34495e;
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.4s;
}
@media screen and (max-width: 480px) {
  #article-banner h2 {
    font-size: 2em;
  }
}
#article-banner .post-date {
  margin: 10px 0;
  color: #ffffff;
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.4s;
  transition-delay: 0.05s;
}
#article-banner .word-count {
  font-size: 14px;
  margin: 10px 0 20px 0;
  color: #ffffff;
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.4s;
  transition-delay: 0.05s;
}
#article-banner .arrow-down {
  display: flex;
  width: 100%;
  justify-content: center;
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.4s;
  transition-delay: 0.1s;
}
#article-banner .arrow-down a {
  z-index: 4;
  display: block;
  width: 25px;
  height: 25px;
  transform: rotate(315deg);
  animation-name: shine;
  animation-duration: 1.5s;
  animation-iteration-count: infinite;
  border-bottom: 1px solid #ffffff;
  border-left: 1px solid #ffffff;
}

.post-article {
  margin-top: 0;
  width: 100%;
  display: inline-grid;
}

.notice {
  font-size: 12px;
  display: block;
  margin-top: 10px;
  text-align: center;
  color: #7f8c8d;
  font-style: italic;
}

.qrcode {
  margin-top: 10px;
  padding-bottom: 30px;
  text-align: center;
  border-bottom: 1px dashed #e5e5e5;
}
.qrcode svg {
  width: 8em;
  height: 8em;
  padding: 5px;
  box-shadow: 0 0 1px #e3e3e3;
}

.image-view-wrap {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.3s ease-in-out;
}
.image-view-wrap .image-view-inner {
  position: relative;
}
.image-view-wrap img {
  display: block;
  margin: 0 auto;
  cursor: zoom-out;
  transition: all 0.3s ease-in-out;
}

.wrap-active {
  background-color: rgba(255, 255, 255, 0.9);
}

.scroll-top {
  cursor: pointer;
  opacity: 0;
  position: fixed;
  box-sizing: border-box;
  right: 2em;
  bottom: 45px;
  width: 40px;
  height: 40px;
  padding: 5px;
  background-color: #42b983;
  border-radius: 20px;
  transform: translate(80px, 0);
  transition: all 0.3s ease;
  box-shadow: 0 0 3px 0 rgba(0, 0, 0, 0.12), 0 3px 3px 0 rgba(0, 0, 0, 0.24);
}
.scroll-top .arrow-icon {
  background-image: url("images/top.svg");
  width: 30px;
  height: 30px;
  display: block;
  background-size: contain;
}

.opacity {
  opacity: 1;
  transform: translate(0, 0);
}

@keyframes shine {
  0%, 100% {
    opacity: 0.1;
  }
  25%, 75% {
    opacity: 0.2;
  }
  50% {
    opacity: 1;
  }
}