html, body, div, span, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, img, ol, ul, li, dl, dt, dd, figure, figcaption, footer, header, nav, section, article, aside, table, caption, tbody, thead, tr, th, td, button {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  vertical-align: baseline;
}

html {
  overflow-y: scroll;
  font-size: 87.5%;
  -webkit-text-size-adjust: 100%;
}

body {
  line-height: 1.5em;
  font-size: 14px;
  font-size: 1rem;
  font-family: 'メイリオ', Meiryo, 'ヒラギノ角ゴ Pro W3', 'Hiragino Kaku Gothic Pro', 'ＭＳ Ｐゴシック', 'MS PGothic', sans-serif;
  text-rendering: optimizeLegibility;
  color: #444;
  background-color: #fff;
  background-image: var(--site-bg);
  background-position: left top;
  background-size: auto;
  background-repeat: repeat;
  background-attachment: scroll;
}

ol,
ul {
  list-style: none;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  clear: both;
}

a {
  outline: none;
  color: #21759b;
}

a:hover {
  color: #0f3647;
}

img {
  border: 0;
  max-width: 100%;
  height: auto;
}

.body-row:before,
.body-row:after,
.foot-band:before,
.foot-band:after,
.foot-cols:before,
.foot-cols:after {
  display: table;
  content: "";
}

.body-row:after,
.foot-band:after,
.foot-cols:after {
  clear: both;
}

.canvas {
  padding: 0 24px;
  padding: 0 1.714285714rem;
  background-color: #fff;
}

.main-col,
.side-col {
  margin: 24px 0 0;
  margin: 1.714285714rem 0 0;
}

.top-banner {
  padding: 24px 0;
  padding: 1.714285714rem 0;
}

.brand-image {
  margin-top: 0;
  border-radius: 0;
  box-shadow: none;
}

.primary-nav {
  margin-top: 24px;
  margin-top: 1.714285714rem;
  text-align: center;
}

.primary-nav li {
  margin-top: 24px;
  margin-top: 1.714285714rem;
  font-size: 12px;
  font-size: 0.857142857rem;
  line-height: 1.42857143;
}

.primary-nav a {
  color: #5e5e5e;
}

.primary-nav a:hover,
.primary-nav a:focus {
  color: #21759b;
}

.primary-nav .nav-list {
  display: none;
}

.primary-nav .nav-list.is-open,
.nav-switch {
  display: inline-block;
}

.nav-switch {
  padding: 6px 10px;
  padding: 0.428571429rem 0.714285714rem;
  font-size: 11px;
  font-size: 0.785714286rem;
  line-height: 1.428571429;
  font-weight: normal;
  font-family: inherit;
  color: #7c7c7c;
  background-color: #e6e6e6;
  background-image: linear-gradient(to bottom, #f4f4f4, #e6e6e6);
  border: 1px solid #d2d2d2;
  border-radius: 3px;
  box-shadow: 0 1px 2px rgba(64, 64, 64, 0.1);
  cursor: pointer;
}

.nav-switch:hover,
.nav-switch:focus {
  color: #5e5e5e;
  background-color: #ebebeb;
  background-image: linear-gradient(to bottom, #f9f9f9, #ebebeb);
}

.nav-switch.is-open {
  color: #757575;
  background-color: #e1e1e1;
  background-image: linear-gradient(to bottom, #ebebeb, #e1e1e1);
  box-shadow: inset 0 0 8px 2px #c6c6c6, 0 1px 0 0 #f4f4f4;
  border-color: transparent;
}

.side-heading,
.list-heading {
  font-size: 11px;
  font-size: 0.785714286rem;
  line-height: 2.181818182;
  font-weight: bold;
  text-transform: uppercase;
  color: #636363;
}

.list-head {
  margin-bottom: 48px;
  margin-bottom: 3.428571429rem;
  padding-bottom: 22px;
  padding-bottom: 1.571428571rem;
  border-bottom: 1px solid #ededed;
}

.side-block {
  margin-bottom: 48px;
  margin-bottom: 3.428571429rem;
  word-wrap: break-word;
}

.side-block .side-heading {
  margin-bottom: 24px;
  margin-bottom: 1.714285714rem;
}

.side-block p,
.side-block li {
  font-size: 13px;
  font-size: 0.928571429rem;
  line-height: 1.846153846;
}

.side-block p {
  margin-bottom: 24px;
  margin-bottom: 1.714285714rem;
}

.side-block a {
  color: #757575;
}

.side-block a:hover {
  color: #21759b;
}

.side-block a:visited {
  color: #9f9f9f;
}

.side-col ul ul {
  margin-left: 12px;
  margin-left: 0.857142857rem;
}

.legal {
  border-top: 0;
  clear: both;
  font-size: 12px;
  font-size: 0.857142857rem;
  line-height: 2;
  max-width: 960px;
  max-width: 68.571428571rem;
  margin-top: 24px;
  margin-top: 1.714285714rem;
  margin-left: auto;
  margin-right: auto;
  padding: 24px 0;
  padding: 1.714285714rem 0;
}

.item-head {
  margin-bottom: 24px;
  margin-bottom: 1.714285714rem;
}

.item-title {
  font-size: 20px;
  font-size: 1.428571429rem;
  line-height: 1.2;
  font-weight: normal;
}

.item-title a {
  text-decoration: none;
}

.item-body {
  line-height: 1.714285714;
}

.item-body h1,
.item-body h2,
.item-body h3,
.item-body h4,
.item-body h5,
.item-body h6 {
  margin: 24px 0;
  margin: 1.714285714rem 0;
  line-height: 1.714285714;
}

.item-body h1 {
  font-size: 21px;
  font-size: 1.5rem;
  line-height: 1.5;
}

.item-body h2 {
  font-size: 18px;
  font-size: 1.285714286rem;
  line-height: 1.6;
}

.item-body h3 {
  font-size: 16px;
  font-size: 1.142857143rem;
  line-height: 1.846153846;
}

.item-body h4 {
  font-size: 14px;
  font-size: 1rem;
  line-height: 1.846153846;
}

.item-body h5 {
  font-size: 13px;
  font-size: 0.928571429rem;
  line-height: 1.846153846;
}

.item-body h6 {
  font-size: 12px;
  font-size: 0.857142857rem;
  line-height: 1.846153846;
}

.item-body p {
  margin: 0 0 24px;
  margin: 0 0 1.714285714rem;
  line-height: 1.714285714;
}

.item-body a:visited {
  color: #9f9f9f;
}

.item-body ol,
.item-body ul {
  margin: 0 0 24px;
  margin: 0 0 1.714285714rem;
  line-height: 1.714285714;
}

.item-body ul ul,
.item-body ol ol,
.item-body ul ol,
.item-body ol ul {
  margin-bottom: 0;
}

.item-body ul {
  list-style: disc outside;
}

.item-body ol {
  list-style: decimal outside;
}

.item-body li {
  margin: 0 0 0 36px;
  margin: 0 0 0 2.571428571rem;
}

.item-body blockquote {
  margin-bottom: 24px;
  margin-bottom: 1.714285714rem;
  padding: 24px;
  padding: 1.714285714rem;
  font-style: italic;
}

.item-body blockquote p:last-child {
  margin-bottom: 0;
}

.item-body code {
  font-family: Consolas, Monaco, Lucida Console, monospace;
  font-size: 12px;
  font-size: 0.857142857rem;
  line-height: 2;
}

.item-body pre {
  border: 1px solid #ededed;
  color: #666;
  font-family: Consolas, Monaco, Lucida Console, monospace;
  font-size: 12px;
  font-size: 0.857142857rem;
  line-height: 1.714285714;
  margin: 24px 0;
  margin: 1.714285714rem 0;
  overflow: auto;
  padding: 24px;
  padding: 1.714285714rem;
}

.item-body pre code {
  display: block;
  font-size: inherit;
}

.item-body img,
.side-block img,
.foot-col img {
  border-radius: 3px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.item-body iframe,
.item-body video {
  max-width: 100%;
  margin-bottom: 24px;
  margin-bottom: 1.714285714rem;
}

.item-body table {
  border-bottom: 1px solid #ededed;
  color: #757575;
  font-size: 12px;
  font-size: 0.857142857rem;
  line-height: 2;
  margin: 0 0 24px;
  margin: 0 0 1.714285714rem;
  width: 100%;
}

.item-body td,
.item-body th {
  border-top: 1px solid #ededed;
  padding: 6px 10px 6px 0;
}

.item-body figcaption,
.item-body .image-caption,
.thumb-label {
  font-style: italic;
  font-size: 12px;
  font-size: 0.857142857rem;
  line-height: 2;
  color: #757575;
}

.main-col article {
  border-bottom: 4px double #ededed;
  margin-bottom: 72px;
  margin-bottom: 5.142857143rem;
  padding-bottom: 24px;
  padding-bottom: 1.714285714rem;
  word-wrap: break-word;
}

.is-wide .main-col article {
  border: 0;
  margin-bottom: 0;
}

.item-meta {
  clear: both;
  margin-top: 24px;
  margin-top: 1.714285714rem;
  font-size: 13px;
  font-size: 0.928571429rem;
  line-height: 1.846153846;
  color: #757575;
}

.item-meta a {
  color: #757575;
}

.item-meta a:hover {
  color: #21759b;
}

.item-nav {
  clear: both;
  line-height: 2;
  overflow: hidden;
}

.page-prev {
  float: left;
  width: 50%;
}

.page-next {
  float: right;
  text-align: right;
  width: 50%;
}

.foot-band {
  border-top: 2px dotted #aaa;
  margin-top: 40px;
  padding-top: 20px;
}

.foot-cols .foot-col {
  text-align: left;
  float: left;
  margin-right: 3%;
  width: 22.5%;
}

.foot-cols .foot-col:last-child {
  margin-right: 0;
}

.foot-col .side-heading {
  margin-bottom: 24px;
  margin-bottom: 1.714285714rem;
}

.foot-col p,
.foot-col li {
  font-size: 13px;
  font-size: 0.928571429rem;
  line-height: 1.846153846;
}

.foot-col p {
  margin-bottom: 24px;
  margin-bottom: 1.714285714rem;
}

.foot-mark {
  display: block;
  width: 125px;
  height: 125px;
  margin-bottom: 8px;
}

.thumbs {
  margin: 0 0 24px;
  margin: 0 0 1.714285714rem;
  overflow: hidden;
}

.thumb {
  float: left;
  width: 33.333%;
  margin: 0 0 24px;
  margin: 0 0 1.714285714rem;
  text-align: center;
}

.thumb a {
  display: block;
  width: 90%;
  margin: 0 auto;
}

.thumb img {
  height: auto;
  max-width: 90%;
  padding: 5%;
}

.thumb-label {
  display: block;
  width: 90%;
  margin: 0 auto;
}

.download-card {
  display: table;
  width: 100%;
  margin: 0 0 24px;
  margin: 0 0 1.714285714rem;
  padding: 10px;
  padding: 0.714285714rem;
  border: 1px solid #ccc;
  background: #fff;
}

.download-card > div,
.download-card a.button {
  display: table-cell;
  vertical-align: middle;
}

.download-card a.button {
  width: 8em;
  padding: 6px 10px;
  padding: 0.428571429rem 0.714285714rem;
  background: #4a8eff;
  color: #fff;
  text-align: center;
  text-decoration: none;
  border-radius: 4px;
}

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 20;
  align-items: center;
  justify-content: center;
  padding: 2em;
}

.lightbox.is-open {
  display: flex;
}

.lightbox img {
  max-width: 95vw;
  max-height: 95vh;
}

.lightbox-close {
  position: absolute;
  top: 0.75em;
  right: 1em;
  color: #fff;
  background: transparent;
  border: 0;
  font-size: 1.5em;
  cursor: pointer;
}

@media screen and (min-width: 600px) {
  .canvas {
    margin: 0 auto;
    max-width: 960px;
    max-width: 68.571428571rem;
    overflow: hidden;
  }

  .main-col {
    float: left;
    width: 65.104166667%;
  }

  .is-wide .main-col {
    width: 100%;
  }

  .side-col {
    float: right;
    width: 26.041666667%;
  }

  .primary-nav .nav-list {
    border-bottom: 1px solid #ededed;
    border-top: 1px solid #ededed;
    display: inline-block !important;
    text-align: left;
    width: 100%;
  }

  .primary-nav ul {
    margin: 0;
  }

  .primary-nav li a,
  .primary-nav li {
    display: inline-block;
    text-decoration: none;
  }

  .primary-nav li a {
    border-bottom: 0;
    color: #6a6a6a;
    line-height: 3.692307692;
    text-transform: uppercase;
    white-space: nowrap;
  }

  .primary-nav li a:hover,
  .primary-nav li a:focus {
    color: #000;
  }

  .primary-nav li {
    margin: 0 40px 0 0;
    margin: 0 2.857142857rem 0 0;
    position: relative;
  }

  .primary-nav li ul {
    margin: 0;
    padding: 0;
    position: absolute;
    top: 100%;
    z-index: 99999;
    height: 1px;
    width: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .primary-nav ul li:hover > ul,
  .primary-nav ul li:focus-within > ul {
    clip-path: none;
    overflow: visible;
    height: auto;
    width: auto;
  }

  .primary-nav li ul li a {
    background: #efefef;
    border-bottom: 1px solid #ededed;
    display: block;
    font-size: 11px;
    font-size: 0.785714286rem;
    line-height: 2.181818182;
    padding: 8px 10px;
    padding: 0.571428571rem 0.714285714rem;
    width: 180px;
    width: 12.85714286rem;
    white-space: normal;
  }

  .primary-nav li ul li a:hover,
  .primary-nav li ul li a:focus {
    background: #e3e3e3;
    color: #444;
  }

  .primary-nav .is-here > a {
    color: #636363;
    font-weight: bold;
  }

  .nav-switch {
    display: none;
  }

  .item-title {
    font-size: 22px;
    font-size: 1.571428571rem;
  }
}

@media screen and (min-width: 960px) {
  body {
    background-color: #e6e6e6;
  }

  body .canvas {
    padding: 0 40px;
    padding: 0 2.857142857rem;
    margin-top: 48px;
    margin-top: 3.428571429rem;
    margin-bottom: 48px;
    margin-bottom: 3.428571429rem;
    box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
  }
}