@charset "UTF-8";
body {
  margin: 0;
  padding: 0;
}

@font-face {
  font-family: FontAwesome;
  font-style: normal;
  font-weight: normal;
  src: url("https://use.fontawesome.com/releases/v5.6.3/webfonts/fa-solid-900.eot");
  src: url("https://use.fontawesome.com/releases/v5.6.3/webfonts/fa-solid-900.eot?#iefix") format("embedded-opentype"), url("https://use.fontawesome.com/releases/v5.6.3/webfonts/fa-solid-900.woff2") format("woff2"), url("https://use.fontawesome.com/releases/v5.6.3/webfonts/fa-solid-900.woff") format("woff"), url("https://use.fontawesome.com/releases/v5.6.3/webfonts/fa-solid-900.ttf") format("truetype"), url("https://use.fontawesome.com/releases/v5.6.3/webfonts/fa-solid-900.svg#fontawesome") format("svg");
}
blockquote:not(.twitter-tweet) {
  display: grid;
  position: relative;
  padding: 10px 15px 10px 60px;
  box-sizing: border-box;
  font-style: italic;
  background: #f5f5f5;
  border-left: 4px solid #ffc9a5;
  margin: 1em 0;
}
blockquote:not(.twitter-tweet):before {
  display: inline-block;
  position: absolute;
  top: 15px;
  left: 15px;
  vertical-align: middle;
  content: "\f10d";
  font-family: FontAwesome;
  color: #ffc9a5;
  font-size: 30px;
  line-height: 1;
  font-weight: 900;
}
blockquote:not(.twitter-tweet) p {
  padding: 0;
  margin: 7px 0;
  line-height: 1.7;
}
blockquote:not(.twitter-tweet) > p > em,
blockquote:not(.twitter-tweet) cite {
  display: block;
  text-align: right;
}

blockquote.twitter-tweet {
  border-radius: 14px;
  border: 1px solid rgb(204, 214, 221);
  height: 120px;
  margin: 0;
  position: relative;
  width: 550px;
}
blockquote.twitter-tweet:before {
  color: rgb(101, 119, 134);
  content: "Loading...";
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
}

.clearfix {
  clear: both;
}

.clearfix::after {
  content: "";
  display: block;
  clear: both;
}

html {
  font-family: "游ゴシック体", "Yu Gothic", YuGothic, sans-serif;
  font-weight: 500;
  background-color: #fcfcfc;
}

body {
  color: #333333;
  overflow-x: hidden;
}

a:link, a:visited, a:hover, a:active {
  text-decoration: inherit;
}

a:link, a:visited, a:active {
  color: #7c868d;
}

a:hover {
  color: #dd6600;
}

.link-external:after {
  content: "\f35d";
  font-family: FontAwesome;
  margin-left: 0.3em;
  font-size: 80%;
  color: #7c868d;
  vertical-align: text-bottom;
}

p, li {
  line-height: 160%;
}

.right {
  display: block;
  text-align: right;
  margin-left: 10px;
}

@media (min-width: 768px) {
  .desktop-float-right {
    display: block;
    float: right;
    margin-left: 10px;
  }
}

@media (max-width: 767px) {
  .mobile-float-right {
    display: block;
    float: right;
    margin-left: 10px;
  }
}

.left {
  display: block;
  text-align: left;
  margin-right: 10px;
}

@media (min-width: 768px) {
  .desktop-float-left {
    display: block;
    float: left;
    margin-right: 10px;
  }
}

@media (max-width: 767px) {
  .mobile-float-left {
    display: block;
    float: left;
    margin-right: 10px;
  }
}

.none {
  display: none;
}

@media (min-width: 768px) {
  .desktop-none {
    display: none;
  }
}

@media (max-width: 767px) {
  .mobile-none {
    display: none;
  }
}

.center {
  display: block;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .desktop-center {
    display: block;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 767px) {
  .mobile-center {
    display: block;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }
}

.padding {
  padding: 10px;
}

#wrap {
  left: 0;
  position: relative;
  top: 0;
  width: 100%;
}

#dimmer {
  opacity: 0;
  transition: opacity 250ms;
}
.mobile-menu #dimmer {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background-color: #000000;
  opacity: 0.7;
  z-index: 1;
}

#header-sns {
  display: flex;
  align-items: flex-end;
  height: 28px;
}
@media (min-width: 768px) {
  #header-sns {
    position: absolute;
    bottom: 0;
    right: 0;
  }
}
@media (max-width: 767px) {
  #header-sns {
    text-align: center;
    justify-content: center;
  }
}

#header-sns > .fb-like {
  margin-right: 4px;
}

#header-sns > .twitter-follow-button {
  height: 28px !important;
}

#header-row {
  background: linear-gradient(#060108, #450d4e);
}
@media (max-width: 767px) {
  #header-row {
    position: relative;
  }
}

#header-logo {
  margin: 0 auto;
  box-sizing: border-box;
}
@media (min-width: 768px) {
  #header-logo {
    max-width: 1000px;
    padding: 10px;
    display: flex;
    align-items: flex-end;
  }
}
@media (max-width: 767px) {
  #header-logo {
    width: 100%;
    padding: 0;
    text-align: center;
  }
}

#header-logo-image {
  vertical-align: middle;
}
@media (min-width: 768px) {
  #header-logo-image {
    width: 300px;
  }
}
@media (max-width: 767px) {
  #header-logo-image {
    width: 200px;
    margin: 10px auto 5px auto;
  }
}

#header-logo-link {
  text-align: center;
}
@media (min-width: 768px) {
  #header-logo-link {
    display: block;
    margin-right: 10px;
  }
}
@media (max-width: 767px) {
  #header-logo-link {
    display: inline-block;
    margin-bottom: 5px;
  }
}

@media (min-width: 768px) {
  #header-title {
    font-size: 12px;
  }
}
@media (max-width: 767px) {
  #header-title {
    font-size: 11px;
  }
}
#header-title {
  color: #ffffff;
  margin: 0;
  padding: 0;
}

@media (min-width: 768px) {
  #header-logo-sub {
    position: relative;
  }
}

#header-subtitle {
  color: #ffffff;
  font-size: 12px;
}
@media (min-width: 768px) {
  #header-subtitle {
    margin: 0;
    padding: 0 0 22px 0;
  }
}
@media (max-width: 767px) {
  #header-subtitle {
    max-width: 320px;
    margin: 0 auto 5px auto;
    line-height: 140%;
  }
}

#header-menu {
  background-color: #eeeeee;
}

@media (min-width: 768px) {
  #main-nav {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 0 auto;
    max-width: 1000px;
  }
}
@media (max-width: 767px) {
  #main-nav {
    transition: 250ms;
    box-sizing: border-box;
    position: fixed;
    top: 0;
    left: -200px;
    width: 200px;
    height: 100%;
    background-color: #060108;
    padding: 6px 3px;
    z-index: 2;
  }
  .mobile-menu #main-nav {
    transform: translateX(200px);
  }
}

@media (min-width: 768px) {
  #main-nav-open {
    display: none;
  }
}
@media (max-width: 767px) {
  #main-nav-open {
    position: absolute;
    top: 10px;
    left: 10px;
  }
  #main-nav-open:before {
    font-size: 20px;
    line-height: 28px;
    text-align: center;
    width: 28px;
    height: 28px;
    display: inline-block;
    font-family: FontAwesome;
    color: #ffffff;
    content: "\f0c9";
  }
}

.main-nav-link {
  display: block;
  margin: 0.5em 0;
}
@media (min-width: 768px) {
  .main-nav-link {
    margin: 10px 0;
    position: relative;
    text-align: center;
    width: 100px;
    height: 60px;
  }
}
.main-nav-link::before {
  font-family: FontAwesome;
}
@media (min-width: 768px) {
  .main-nav-link::before {
    font-size: 40px;
    line-height: 40px;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
  }
}
@media (max-width: 767px) {
  .main-nav-link::before {
    display: inline-block;
    width: 28px;
    text-align: center;
    font-size: 16px;
    line-height: 28px;
    color: #ffffff;
  }
}
.main-nav-link:nth-child(1):before {
  content: "\f155";
}
.main-nav-link:nth-child(2):before {
  content: "\f1ea";
}
.main-nav-link:nth-child(3):before {
  content: "\f406";
}
.main-nav-link:nth-child(4):before {
  content: "\f072";
}
.main-nav-link:nth-child(5):before {
  content: "\f02d";
}
.main-nav-link:nth-child(6):before {
  content: "\f522";
}
.main-nav-link:nth-child(7):before {
  content: "\f303";
}
.main-nav-link:nth-child(8):before {
  content: "\f3cd";
}
.main-nav-link:nth-child(9):before {
  content: "\f00d";
}

@media (min-width: 768px) {
  .main-nav-link-text {
    bottom: 0;
    font-size: 10px;
    line-height: 10px;
    position: absolute;
    width: 100%;
  }
}
@media (max-width: 767px) {
  .main-nav-link-text {
    color: #ffffff;
    display: inline;
    font-size: 16px;
    line-height: 28px;
  }
}

.body {
  margin: 0 auto;
  max-width: 1000px;
  box-sizing: border-box;
}
@media (min-width: 768px) {
  .body {
    display: flex;
    padding: 10px 0;
  }
}
@media (max-width: 767px) {
  .body {
    padding: 10px;
  }
}
.body h1 {
  color: #690081;
  font-weight: 900;
  font-size: 31px;
  border-bottom: #690081 solid 2px;
  line-height: 120%;
  margin: 0 0 10px 0;
}
.body h2 {
  color: #690081;
  line-height: 120%;
  padding-left: 5px;
  font-weight: 900;
}
.body h2:before {
  content: "\f00c";
  font-family: FontAwesome;
  padding-right: 0.2em;
}
.body h3 {
  color: #690081;
}

@media (min-width: 768px) {
  #main {
    margin-right: 10px;
    flex: 1;
  }
}
@media (max-width: 767px) {
  #main {
    margin-bottom: 10px;
  }
}

@media (min-width: 768px) {
  #sidebar {
    width: 240px;
  }
}

@media (max-width: 767px) {
  #sidebar-timelines {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
  }
}

@media (min-width: 768px) {
  .sidebar-timelines-item {
    margin-bottom: 10px;
  }
}
@media (max-width: 767px) {
  .sidebar-timelines-item {
    width: 50%;
    margin-right: 10px;
    min-width: 240px;
    flex: 1;
  }
}

#copyright-outer {
  background-color: #101010;
  color: #707070;
}

#copyright-inner {
  font-size: 12px;
  line-height: 16px;
  padding: 8px 0;
  margin: 0 auto;
  max-width: 1000px;
  white-space: nowrap;
}
@media (min-width: 768px) {
  #copyright-inner {
    text-align: right;
  }
}
@media (max-width: 767px) {
  #copyright-inner {
    text-align: center;
  }
}

.tag-list {
  padding: 0;
  margin: 10px;
  list-style-type: none;
}

.tag-list-item {
  display: inline-block;
  margin-right: 5px;
  line-height: 180%;
}

.tag-list-link:before {
  font-family: FontAwesome;
  content: "\f02b";
  padding-right: 0.2em;
}
.tag-list-link {
  padding-right: 0.5em;
}

.article del {
  text-decoration: none;
  opacity: 0.8;
  font-size: 90%;
}
.article hr {
  border: 0 none;
  height: 1px;
  background-color: #7c868d;
}

.article-tag-list {
  padding: 0;
  margin: 10px 0;
  list-style-type: none;
}

.article-tag-list-item {
  display: inline-block;
  margin-right: 5px;
  line-height: 100%;
}

.article-tag-list-link:before {
  font-family: FontAwesome;
  content: "\f02b";
  padding-right: 0.2em;
}
.article-tag-list-link {
  padding-right: 0.5em;
}

.article-toc {
  margin: 0;
  padding-left: 1.3em;
}

.article-toc-item {
  color: #7c868d;
}

.article-list {
  margin: 0;
  padding: 10px;
  list-style-type: none;
}

.article-list-item {
  margin-bottom: 3px;
  text-indent: -0.9em;
  padding-left: 0.9em;
}

.article-list-link {
  display: block;
}
.article-list-link:before {
  font-family: FontAwesome;
  content: "\f15b";
  padding-right: 0.2em;
}

#article-nav:after {
  content: "";
  display: block;
  clear: both;
}

#article-nav-older, #article-nav-newer {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 10px;
}

@media (min-width: 768px) {
  #article-nav-older {
    margin-right: 0.5em;
    float: left;
    text-align: left;
  }
  #article-nav-older:before {
    font-family: FontAwesome;
    content: "\f137";
  }
}
@media (max-width: 767px) {
  #article-nav-older:before {
    font-family: FontAwesome;
    content: "\f137";
  }
}

@media (min-width: 768px) {
  #article-nav-newer {
    margin-left: 0.5em;
    float: right;
    text-align: right;
  }
  #article-nav-newer:after {
    font-family: FontAwesome;
    content: "\f138";
  }
}
@media (max-width: 767px) {
  #article-nav-newer:before {
    font-family: FontAwesome;
    content: "\f138";
  }
}

.archive-article {
  margin-bottom: 10px;
}

a.archive-article-title {
  color: #690081;
}

.archive-article-heading-list {
  padding: 0;
  list-style-type: none;
}

.archive-article-heading-item {
  display: inline;
}
.archive-article-heading-item:after {
  content: " / ";
}
.archive-article-heading-item:last-child:after {
  content: "";
}

a.archive-article-more {
  display: inline-block;
  font-size: 18px;
  color: #690081;
  margin-bottom: 10px;
}

.archive-article-more:after {
  font-family: FontAwesome;
  content: "\f138";
  padding-left: 0.2em;
}

#page-nav {
  text-align: center;
}
#page-nav .extend.prev::before {
  content: "\f359";
  font-family: FontAwesome;
}
#page-nav .extend.next::after {
  content: "\f35a";
  font-family: FontAwesome;
}
#page-nav .page-number {
  padding: 0.5em;
}

.widget-wrap {
  background-color: #f0f0f0;
  box-sizing: border-box;
  margin-bottom: 10px;
  padding: 0;
}

h3.widget-title {
  background-color: #7c868d;
  color: #ffffff;
  margin: 0;
  padding: 5px 10px;
  font-weight: normal;
}

#books-list {
  padding: 0;
  list-style-type: none;
}
#books-list:after {
  content: "";
  clear: both;
  display: block;
}

.books-item {
  position: relative;
  display: block;
  float: left;
  margin-bottom: 10px;
  text-align: center;
}
@media (min-width: 768px) {
  .books-item {
    width: 23%;
    margin-right: 2%;
  }
}
@media (max-width: 767px) {
  .books-item {
    width: 48%;
    margin-right: 1%;
  }
}
.books-item:before {
  content: "";
  display: block;
  padding-top: 170%;
}

.books-item-inner {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}

.books-item-image {
  width: 100%;
}

.books-item-title {
  font-size: 12px;
  line-height: 16px;
  height: 32px;
}

h2.book-detail-subtitle {
  padding: 0;
}
h2.book-detail-subtitle:before {
  content: none;
}

.book-detail-image {
  display: block;
  text-align: center;
}
@media (min-width: 768px) {
  .book-detail-image {
    float: right;
    width: 33%;
    margin-left: 10px;
  }
}
@media (max-width: 767px) {
  .book-detail-image {
    box-sizing: border-box;
    width: 100%;
  }
}
.book-detail-image img {
  width: 100%;
  display: block;
}
.book-detail-image a.amazon {
  display: inline-block;
}

.spec-footer,
.book-detail-meta {
  list-style-type: none;
  padding: 0;
  background-color: #f5f5f5;
  font-size: 12px;
  padding: 5px 10px;
}

#index-header {
  height: 240px;
  width: 100%;
  background-image: url(./images/bg.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-bottom: 10px;
}

#index-header-logo {
  width: 100px;
  display: block;
  margin: 10px auto;
}

#index-header-image {
  width: 80%;
  max-width: 400px;
  display: block;
  margin: 10px auto;
}

.index-announcement {
  width: 100%;
  max-width: 1000px;
  margin: 10px auto 0 auto;
}
.index-announcement .index-announcement-list {
  margin: 0;
  border: double 4px #7c868d;
  padding: 5px 15px;
  box-sizing: border-box;
  list-style-type: none;
}
.index-announcement .index-announcement-link {
  display: inline-block;
  color: #690081;
}
.index-announcement .index-announcement-link:before {
  content: "\f05a";
  font-family: FontAwesome;
  margin-right: 0.3em;
}

#index-contents-list {
  margin-bottom: 10px;
}
@media (min-width: 768px) {
  #index-contents-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
}

.index-contents-item {
  margin-bottom: 10px;
}
@media (min-width: 768px) {
  .index-contents-item {
    width: 49%;
  }
  .index-contents-item.horizontal {
    width: 100%;
  }
}
.index-contents-item:after {
  display: block;
  content: "";
  clear: both;
}

.index-contents-item-image {
  float: left;
  width: 120px;
  margin-right: 10px;
}

.index-contents-item-text {
  display: block;
  min-width: 240px;
  margin: 0;
}

a.index-contents-item-more {
  display: inline-block;
  float: right;
  color: #690081;
}

.posts-list {
  margin: 0 0 10px 0;
  list-style-type: none;
  padding: 0;
}

.posts-list-date {
  display: block;
  text-align: right;
}

#howto-top {
  height: 180px;
  width: 100%;
  background-image: url(./images/howto-top.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  display: flex;
  flex-direction: column;
  margin-bottom: 10px;
  padding-left: 10%;
  padding-right: 10%;
  box-sizing: border-box;
  text-align: center;
}

#howto-top-image {
  max-width: 400px;
  display: block;
  margin: auto;
  width: 100%;
}

#glossary-top {
  height: 180px;
  width: 100%;
  background-image: url(./images/glossary-top.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  display: flex;
  flex-direction: column;
  margin-bottom: 10px;
  padding-left: 10%;
  padding-right: 10%;
  box-sizing: border-box;
  text-align: center;
}

#article-top {
  height: 180px;
  width: 100%;
  background-image: url(./images/article-top.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-bottom: 10px;
  box-sizing: border-box;
}

.article-top-image {
  height: auto;
  display: block;
  margin-top: 5px;
  margin-bottom: 5px;
  margin-left: auto;
  margin-right: auto;
  width: 90%;
  height: auto;
}

.layout-glossary blockquote {
  padding: 0;
  font-style: normal;
  background: none;
  border: none;
}
.layout-glossary blockquote:before {
  content: "";
}
.layout-glossary blockquote p {
  margin-block-start: 1em;
  margin-block-end: 1em;
  margin-inline-start: 0px;
  margin-inline-end: 0px;
}
.layout-glossary blockquote p em {
  display: inline;
  text-align: right;
}
.layout-glossary blockquote {
  display: block;
  margin-bottom: 10px;
}
.layout-glossary blockquote em {
  font-style: normal;
  font-weight: 900;
}
.layout-glossary blockquote em:after {
  content: ":";
}

#sitemap {
  background-color: #202020;
  color: #707070;
}

#sitemap-list {
  list-style-type: none;
  padding: 10px;
  margin: 0;
}
@media (min-width: 768px) {
  #sitemap-list {
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
    max-width: 1000px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
}

.sitemap-item {
  font-size: 80%;
  line-height: 200%;
  border-bottom: 1px solid #707070;
}
@media (max-width: 767px) {
  .sitemap-item:last-child {
    border-bottom: none;
  }
}
@media (min-width: 768px) {
  .sitemap-item {
    width: 32%;
  }
  .sitemap-item:nth-child(1) {
    order: 4;
  }
  .sitemap-item:nth-child(2) {
    order: 1;
  }
  .sitemap-item:nth-child(3) {
    order: 2;
  }
  .sitemap-item:nth-child(4) {
    order: 3;
  }
  .sitemap-item:nth-child(5) {
    order: 5;
  }
  .sitemap-item:nth-child(6) {
    order: 6;
  }
  .sitemap-item:nth-child(7) {
    order: 7;
  }
  .sitemap-item:nth-child(8) {
    order: 8;
  }
}

@media (max-width: 767px) {
  .sitemap-item-excerpt:before {
    width: 1em;
    display: inline-block;
    text-align: center;
    content: "+ ";
  }
  .sitemap-item-excerpt.show:before {
    content: "- ";
  }
}
.sitemap-item-link {
  display: block;
}
@media (min-width: 768px) {
  .sitemap-item-link:before {
    content: "- ";
    width: 8px;
    font-weight: 900;
  }
}

@media (max-width: 767px) {
  @keyframes show {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }
  .sitemap-item-submenu {
    display: none;
  }
  .show ~ .sitemap-item-submenu {
    display: block;
    animation: show 250ms;
  }
}
@media (min-width: 768px) {
  .sitemap-item-submenu {
    padding-left: 8px;
  }
}

.sitemap-submenu {
  list-style-type: none;
}
@media (max-width: 767px) {
  .sitemap-submenu {
    padding-left: 1em;
  }
}
@media (min-width: 768px) {
  .sitemap-submenu {
    padding: 0;
  }
}

@media (max-width: 767px) {
  .sitemap-submenu-more {
    text-align: right;
  }
}
@media (min-width: 768px) {
  .sitemap-submenu-more {
    display: none;
  }
}

.screen-wide {
  position: relative;
  width: 100%;
}
.screen-wide:after {
  padding-bottom: 56.25%;
  display: block;
  content: "";
}
.screen-wide .screen-wide-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.spec-footer {
  margin-bottom: 10px;
}

.spec-table {
  background-color: #f5f5f5;
  font-size: 13px;
  margin-bottom: 10px;
}
.spec-table ul {
  margin: 0;
}
.spec-table th, .spec-table td {
  padding-top: 5px;
  padding-bottom: 5px;
}

.spec-head {
  font-weight: normal;
  text-align: left;
  width: 6em;
}

ul.slashes {
  padding-left: 0;
}
ul.slashes li {
  display: inline-block;
}
ul.slashes li:after {
  content: " / ";
}
ul.slashes li:last-child:after {
  content: "";
}

.cfg-sp-link {
  max-width: 320px;
  width: 100%;
  margin: 0 auto;
  background: linear-gradient(#060308, #44044e);
}
.cfg-sp-link-image {
  width: 100%;
  vertical-align: bottom;
}
.cfg-sp-link-lead {
  color: #F9F510;
  margin: 0;
  padding-top: 4px;
  font-size: 12px;
  text-align: center;
}

.cfg-kakeibo-link {
  max-width: 320px;
  width: 100%;
  margin: 0 auto;
}
.cfg-kakeibo-link-image {
  width: 100%;
  vertical-align: bottom;
}
.cfg-kakeibo-link-lead {
  color: #690081;
  margin: 0;
  padding-top: 4px;
  font-size: 16px;
  text-align: center;
}

.mb {
  margin-bottom: 10px;
}