@charset "utf-8";
html,
body,
div,
span,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
abbr,
address,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
samp,
small,
strong,
sub,
sup,
var,
b,
i,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
summary,
time,
mark,
audio,
video {
  border: 0;
  outline: 0;
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  vertical-align: baseline;
  background: transparent;
  margin: 0;
  padding: 0;
}
body {
  line-height: 1;
}
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}
li {
  list-style: inherit;
}
blockquote,
q {
  quotes: none;
}
blockquote:before,
blockquote:after,
q:before,
q:after {
  content: '';
  content: none;
}
a {
  margin: 0;
  padding: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
  color: #000;
}
/* change colours to suit your needs */
ins {
  background-color: #ff9;
  color: #000;
  text-decoration: none;
}
/* change colours to suit your needs */
mark {
  background-color: #ff9;
  color: #000;
  font-style: italic;
  font-weight: bold;
}
del {
  text-decoration: line-through;
}
abbr[title],
dfn[title] {
  border-bottom: 1px dotted inherit;
  cursor: help;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
/* change border colour to suit your needs */
hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: 1px solid #cccccc;
  margin: 1em 0;
  padding: 0;
}
.clearfix {
  zoom: 1;
}
.clearfix:after {
  content: '';
  display: block;
  clear: both;
}
img {
  vertical-align: bottom;
  border: none;
}
area {
  border: none;
  outline: none;
}
.remove-height {
  height: 0;
  line-height: 0;
  margin: -30px 0 0 0;
  padding: 0;
}
.clearfix {
  zoom: 1;
}
.clearfix:after {
  content: '';
  display: block;
  clear: both;
}
.ellipsis {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
html,
body,
h1,
h2,
h3,
h4,
h5,
p,
span,
ol,
ul,
li,
dl,
dt,
dl,
dd,
table,
tbody,
thead,
tfoot,
tr,
th,
td,
div,
section,
article,
blockquote,
form,
input,
button,
img,
br,
a,
header,
footer,
nav,
label,
textarea,
legend {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
html {
  font-size: 62.5%;
  background: #edf4f7;
}
h1,
h2,
h3,
h4,
h5,
p,
span,
ol,
ul,
li,
dl,
dt,
dd,
table,
tbody,
thead,
tfoot,
tr,
th,
td,
div,
section,
article,
blockquote,
form,
input,
button,
img,
br,
a,
header,
footer,
nav,
label,
textarea,
legend {
  font-family: 'Noto Sans JP', sans-serif;
  color: #3a536f;
  font-size: 1.6rem;
  line-height: 1.8;
}
p,
span,
li,
dt,
dd,
tr,
th,
td,
blockquote,
form,
input,
button,
a,
label,
textarea,
legend {
  font-weight: normal;
}
p.small,
span.small {
  font-size: 1.3rem;
}
p {
  text-align: justify;
  margin-bottom: 1em;
  word-break: break-all;
}
p:last-child {
  margin-bottom: 0;
}
header,
section,
footer,
article {
  width: 100%;
  height: auto;
  overflow: hidden;
  zoom: 1;
}
header:after,
section:after,
footer:after,
article:after {
  content: '';
  display: block;
  clear: both;
}
header:after,
section:after,
footer:after,
article:after {
  content: '';
  display: block;
  clear: both;
}
a,
a:visited {
  text-decoration: none;
  color: #0070d7;
}
@media (min-width: 1025px) {
  a,
  a:visited,
  a span {
    -webkit-transition: all 0.2s ease;
    -moz-transition: all 0.2s ease;
    -ms-transition: all 0.2s ease;
    -o-transition: all 0.2s ease;
  }
  a:hover,
  a:visited:hover,
  a span:hover,
  a:active,
  a:visited:active,
  a span:active {
    opacity: 0.6;
  }
}
.btn {
  display: block;
  width: 100%;
  max-width: 30rem;
  height: 5.6rem;
  padding: 0.9rem 1.2rem;
  margin: 1.6rem auto;
  color: #0070d7 !important;
  text-align: center;
  font-size: 1.8rem;
  font-weight: bold;
  text-decoration: none;
  background: #f7eb79;
  border: 2px solid #0070d7;
  border-radius: 2.8rem;
  -webkit-box-shadow: 0 4px 0 #0070d7;
  -moz-box-shadow: 0 4px 0 #0070d7;
  box-shadow: 0 4px 0 #0070d7;
  position: relative;
  -webkit-transition: all 0.2s ease-in;
  -moz-transition: all 0.2s ease-in;
  -ms-transition: all 0.2s ease-in;
  -o-transition: all 0.2s ease-in;
}
.btn.btn-disabled {
  background: #0070d7;
}
.btn.btn-disabled:hover {
  cursor: default;
}
.btn-s {
  display: block;
  height: 4rem;
  padding: 0.3rem 1.2rem;
  margin: 1.6rem 0;
  color: #0070d7 !important;
  text-align: center;
  font-size: 1.6rem;
  font-weight: bold;
  text-decoration: none;
  background: white;
  border: 2px solid #0070d7;
  border-radius: 2.8rem;
  -webkit-box-shadow: 0 4px 0 #0070d7;
  -moz-box-shadow: 0 4px 0 #0070d7;
  box-shadow: 0 4px 0 #0070d7;
  position: relative;
  -webkit-transition: all 0.2s ease-in;
  -moz-transition: all 0.2s ease-in;
  -ms-transition: all 0.2s ease-in;
  -o-transition: all 0.2s ease-in;
}
.btn-s.btn-disabled {
  background: #0070d7;
}
.btn-s.btn-disabled:hover {
  cursor: default;
}
body {
  background: #dcebf0;
}
.wrap {
  width: 100%;
  height: auto;
  overflow: hidden;
  zoom: 1;
}
.wrap:after {
  content: '';
  display: block;
  clear: both;
}
.wrap:after {
  content: '';
  display: block;
  clear: both;
}
.cont {
  min-height: 90vh;
}
section {
  width: 100%;
  height: auto;
  position: relative;
}
.card-wrap {
  flex-wrap: wrap;
  flex-direction: row;
  margin: 0 -1.6rem;
  padding: 0 0.8rem;
}
.card-wrap .card {
  flex-basis: 37.5rem;
  flex-grow: 0;
  flex-shrink: 1;
  padding: 0.4rem 1.6rem;
}
.card-wrap .card:first-child {
  padding-top: 0;
}
.card-wrap .card:last-child {
  padding-bottom: 0.8rem;
}
.card-wrap .card .card-in {
  background: #edf4f7;
  border-radius: 0.8rem;
  border: 1px solid #b1d8ef;
}
.card-wrap .card .card-in .card-ttl {
  width: 100%;
  height: 4rem;
  padding: 0.7rem 1.6rem;
  border-bottom: 1px solid #b1d8ef;
}
.card-wrap .card .card-in .card-ttl h3 {
  font-size: 1.4rem;
}
.card-wrap .card .card-in .card-cont {
  padding: 1.6rem;
}
.card-wrap .card .card-in .card-cont a {
  display: inline-block;
  position: relative;
  z-index: 50;
}
.card-wrap .card .card-in .card-cont ol,
.card-wrap .card .card-in .card-cont ul {
  margin-left: 2.2rem;
  margin-bottom: 1em;
}
.card-wrap .card .card-in .card-cont ol:last-child,
.card-wrap .card .card-in .card-cont ul:last-child {
  margin-bottom: 0;
}
.card-wrap .card .card-in .card-cont ol {
  list-style: georgian;
}
.card-wrap .card .card-in .card-cont ul {
  list-style: disc;
}
.card-wrap .card .card-in .card-cont .card-image {
  margin: 0 auto 1em;
  max-width: 37.5rem;
}
.card-wrap .card .card-in .card-cont img {
  width: 100%;
}
@media (min-width: 768px) {
  section {
    max-width: 64rem;
    margin: 0 auto;
  }
  .card-wrap {
    margin: 0 -2.4rem;
    padding: 0 1.6rem;
  }
  .card-wrap .card {
    padding: 0.8rem 2.4rem;
  }
  .card-wrap .card .card-in .card-cont {
    padding: 2.4rem;
  }
}
header {
  padding: 5.6rem 1.6rem 3.2rem;
}
header h1 {
  width: 60%;
  text-align: center;
  margin: 0 auto;
  color: #162d45;
}
header h1 img {
  width: 100%;
  max-width: 24rem;
  display: block;
  margin: 0 auto;
}
h2 {
  font-size: 2rem;
  text-align: center;
  margin: 2.4rem 0;
  line-height: 1.4;
}
.card .card-in .card-cont h3 {
  font-size: 1.8rem;
  margin: 2.4rem 0 1.6rem;
  line-height: 1.6;
}
#sec1 img {
  max-width: 120rem;
}
#sec2 table {
  position: relative;
  left: -1.6rem;
  right: -1.6rem;
  width: calc(100% + 3.2rem);
  margin-bottom: 2.4rem;
}
#sec2 table thead tr td {
  font-size: 1.2rem;
  white-space: nowrap;
  vertical-align: middle;
  padding: 0.4rem;
  text-align: center;
}
#sec2 table tbody tr {
  border-bottom: 1px solid #b1d8ef;
}
#sec2 table tbody tr th,
#sec2 table tbody tr td {
  line-height: 1.4;
  text-align: left;
  padding: 1.6rem 0.8rem;
  font-size: 1.4rem;
}
#sec2 table tbody tr td {
  text-align: center;
  vertical-align: middle;
}
#sec2 table tbody tr td ruby {
  font-size: 1.2rem;
  display: inline;
}
#faq dl {
  margin-bottom: 2.4rem;
  padding-bottom: 1.6rem;
  border-bottom: 1px solid #b1d8ef;
}
#faq dl:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}
#faq dl dt {
  font-weight: bold;
  margin-bottom: 1.6rem;
  padding-left: 2.4rem;
  position: relative;
}
#faq dl dt:before {
  display: block;
  content: 'Q';
  font-size: 2rem;
  font-family: 'PT mono', monospace;
  position: absolute;
  top: -0.4rem;
  left: 0;
}
#faq dl dd {
  padding-left: 2.4rem;
  position: relative;
}
#faq dl dd:before {
  display: block;
  content: 'A';
  font-size: 2rem;
  font-family: 'PT mono', monospace;
  position: absolute;
  top: -0.4rem;
  left: 0;
}
footer {
  margin: 3.2rem 0 0 0;
  background: #edf4f7;
}
footer ul {
  list-style: none;
  height: auto;
}
footer ul li {
  display: block;
  width: 100%;
  background: #edf4f7;
  border-top: 1px solid #b1d8ef;
  position: relative;
}
footer ul li::after {
  font-family: 'icomoon';
  content: '\e90d';
  display: block;
  width: 2.4rem;
  height: 3.2rem;
  position: absolute;
  top: 1.2rem;
  right: 1.6rem;
  font-size: 2rem;
  color: #0070d7;
}
footer ul li a {
  display: block;
  width: 100%;
  height: auto;
  padding: 1.6rem;
}
footer p {
  padding: 2.4rem 1.6rem;
}
@media (min-width: 768px) {
  footer ul,
  footer p {
    max-width: 64rem;
    margin: 0 auto;
  }
}
#notation dl {
  margin-bottom: 2.4rem;
  padding-bottom: 1.6rem;
  border-bottom: 1px solid #b1d8ef;
}
#notation dl:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}
#notation dl dt {
  font-weight: bold;
  margin-bottom: 0.8rem;
}