::selection {
  background: #ffd300; }
::-moz-selection {
  background: #ffd300; }

/* base
–––––––––––––––––––––––––––––––––––––––––––––––––– */
html {
  font-size: 62.5%;
  overflow-x: hidden;
  animation: fadeIn 2s;
  transition-timing-function: cubic-bezier(0.55, 0.05, 0.22, 0.99); }

/*@keyframes fadeIn {
    0% {opacity: 0}
  100% {opacity: 1}
}
@-webkit-keyframes fadeIn {
    0% {opacity: 0}
  100% {opacity: 1}
}*/

body {
  color: #222;
  font-size: 1.6em;
  font-weight: 500;
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Helvetica Neue", YuGothic, "ヒラギノ角ゴ ProN W3", Hiragino Kaku Gothic ProN, Arial, "メイリオ", Meiryo, sans-serif;
  letter-spacing: .08em;
  line-height: 1.6;
  position: relative;
  background: #fff;
  width: 100%;
  max-width: 480px;
  margin: auto;
  overflow-x: hidden; }

@media (min-width: 481px) {
  body {
    border-left: solid 1px rgba(253,218,161, .8);
    border-right: solid 1px rgba(253,218,161, .8); }
}

/* top
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.topContainer {
  background: #fff2e6 url(../images/bg.png) no-repeat;
  background-position: top -35px center;
  background-size: 100%;
  display: flex;
  flex-wrap: nowrap;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 25% 0; }

.topContainer header h1 {
  width: 65%;
  margin: auto; }
.topContainer header h1 img {
  width: 100%;
  vertical-align: middle; }

.startBtn {
  margin-top: -15%; }
.startBtn img {
  width: 100%;
  vertical-align: middle; }

.topContainer .imageBtn {
  margin-top: -25%; }
.topContainer .imageBtn a {
  display: inline-block;
  width: 50%; }
.topContainer .imageBtn img {
  width: 100%;
  vertical-align: middle; }
.topContainer .imageBtn a + a {
  margin-top: 30px; }

.shareTtl {
  margin: 40px 0 0; }

.snsBox {
  margin-top: 2%;
  display: flex;
  align-items: center;
  justify-content: center; }
.snsBox a {
  width: 15%; }
.snsBox a + a {
  margin-left: 35px; }
.snsBox img {
  width: 100%;
  vertical-align: middle; }

.topContainer footer {
  font-size: 0.8em;
  margin-top: 10%;
  color: #e8412f; }

/* 下層
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.ulContainer {
  min-height: 100vh;
  background: #fff2e6 url(../images/bg_ul.png) no-repeat;
  background-position: bottom center;
  background-size: 100%;
  text-align: center;
  padding-bottom: 10%; }

.ulContainer header {
  height: 75px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-bottom: solid 1px #fddaa1; }
.ulContainer header .home {
  position: absolute;
  top: 14px; left: 20px; }

.ulContainer main {
  padding-bottom: 150px; }
.ulContainer main h2:not(.shareTtl) {
  margin: 60px 0 30px; }
.ulContainer main p {
  margin: 0 20px;
  line-height: 2; }
.ulContainer main p + p {
  margin-top: 1em; }
.ulContainer main ol {
  margin: 0 20px;
  margin-left: 70px;
  line-height: 2; }
.ulContainer main ol li + li {
  margin-top: 1em; }

.txtL {text-align: left;}

.ulContainer .tableA {
  font-size: 0.8em;
  margin: 0 20px;
  text-align: left;
  border-bottom: solid 2px #fddaa1; }
.ulContainer .tableA td {
  vertical-align: middle;
  padding: 0.8em;
  background: rgba(255,255,255, .8);
  border-top: solid 1px #fddaa1;
  border-bottom: solid 1px #fddaa1; }

.ulContainer footer {
  margin-top: 30%;
  color: #e8412f; }

/* パンくず */
.ulContainer main .bread {
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 20px; }
.ulContainer main .bread h2 {
  margin: 0; }
.ulContainer main .bread ul {
  display: flex;
  align-items: center;
  justify-content: space-between; }
.ulContainer main .bread ul li {
  font-size: 0.9em;
  color: #ff5b00;
  background: url(../images/bread_circle.png) no-repeat;
  background-size: 100%;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: 2px;
  position: relative; }
.ulContainer main .bread ul li + li {
  margin-left: 21px; }
.ulContainer main .bread ul li:not(:last-child)::after {
  content: "";
  width: 5px;
  height: 6px;
  background: url(../images/arrow.png) no-repeat;
  background-size: 100%;
  position: absolute;
  top: 43%;
  right: -43%; }
.ulContainer main .bread ul li.current {
  color: #fff;
  background-color: #ff5b00;
  background-image: none; }
.ulContainer main .bread ul li.visited {
  color: #9f9f9f;
  background-color: #d2d2d2;
  background-image: none; }

@media (max-width: 360px) {
  .ulContainer main .bread {
    height: 85px;
    display: block; }
  .ulContainer main .bread ul {
    margin: 0 20px; }
}

.ulContainer .imageBtn {
  margin-top: 10%; }
.ulContainer .imageBtn img {
  display: inline-block;
  width: 60%;
  vertical-align: middle; }
.ulContainer .imageBtn a {
  display: inline-block; }
.ulContainer .imageBtn a + a,
.ulContainer .imageBtn img + img {
  margin-top: 15px; }

.ulContainer .imageBtn2 {
  margin-top: 10%; }
.ulContainer .imageBtn2 img {
  display: inline-block;
  width: 50%;
  vertical-align: middle; }
.ulContainer .imageBtn2 a {
  display: inline-block; }
.ulContainer .imageBtn2 a + a,
.ulContainer .imageBtn2 img + img {
  margin-top: 15px; }

/* 出題 */
.ulContainer main .questionBox,
.ulContainer main .answerBox {
  background: #fff;
  border-bottom: solid 3px #fddaa1;
  border-radius: 0 0 0.5em 0.5em; }
.ulContainer main .questionBox h3,
.ulContainer main .answerBox h3 {
  display: block;
  padding: 0.6em;
  color: #ff5b00;
  border-bottom: solid 2px #fddaa1; }
.ulContainer main .questionBox p,
.ulContainer main .answerBox p {
  font-size: 1.1em;
  padding: 2em 0; }
.ulContainer main .questionBox p {
  text-align: justify; }

/* 答え */
.ulContainer main .answerBox {
  border: none;
  border-radius: 0; }
.ulContainer main .answerBox h3 {
  color: #e8412f;
  border: none; }
.ulContainer main .answerBox ul {
  margin: 0;
  padding: 1em 20px 2em;
  color: #0098a6;
  background: #e6fcff url(../images/pattern.png); }
.ulContainer main .answerBox ul li img {
  width: 60%;
  padding: 0;
  margin-top: 20px; }

/* 解説 */
.ulContainer main .kaisetsuBox {
  background: #fff;
  padding: 2em 0; }
.ulContainer main .kaisetsuBox p {
  text-align: justify; }
.ulContainer main .kaisetsuBox h3 {
  color: #ff5b00;
  letter-spacing: 0.5em; }
.ulContainer main .kaisetsuBox h3 + p {
  margin-top: 0.5em; }

/* 選択肢 */
.ulContainer main .choiceBox ol {
  margin: 40px 20px 0;
  list-style: none; }
.ulContainer main .choiceBox ol li a {
  text-decoration: none;
  color: #e8412f;
  background: #ffd300;
  width: 100%;
  padding: 0.8em;
  display: inline-block;
  border-radius: 2em; }

.ulContainer main .choiceBox2 ol {
  margin: 30px 0;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center; }
.ulContainer main .choiceBox2 ol li {
  width: 35%; }
.ulContainer main .choiceBox2 ol li + li {
  margin: 0;
  margin-left: 40px; }
.ulContainer main .choiceBox2 ol li img {
  width: 100%;
  vertical-align: middle; }

.ulContainer main .saitenBox {
  display: flex;
  justify-content: space-around;
  margin: 0 40px; }
.ulContainer main .saitenBox table {
  width: 50%; }
.ulContainer main .saitenBox table th,
.ulContainer main .saitenBox table td {
  font-size: 1.2em;
  border: solid 3px #fff2e6;
  padding: 0.3em 0.1em; }
.ulContainer main .saitenBox table th {
  color: #ff5b00;
  background: #ffcaad;
  padding-right: 0; }
.ulContainer main .saitenBox table td {
  background: #fff; }
.ulContainer main .saitenBox p {
  width: 45%;
  margin: 0;
  margin-left: 10%; }
.ulContainer main .saitenBox p img {
  width: 100%;
  vertical-align: middle; }
.right {color: #e85343;}
.wrong {color: #3bb560;}

map area {
  border:none;
  outline:none; }

/* IEのみ */
@media all and (-ms-high-contrast: none){
  .topContainer header h1 {
    width: 50%; }
  .startBtn {
    margin-top: -23%; }
  .startBtn img {
    width: 50%;
    vertical-align: middle; }
  .topContainer .imageBtn a:first-child {
    margin-top: 13%; }
  .topContainer .imageBtn a {
    width: 26%;
    display: block;
    margin: auto; }
  .snsBox a {
    width: 12%; }
  .snsBox a + a {
    margin-left: 0; }
  .snsBox img {
    width: 55%;
    vertical-align: middle; }
  .topContainer footer {
  margin-top: -850px; }
  .topContainer {
    height: 880px;
    overflow: hidden; }
  
  .ulContainer {
    padding-bottom: 200px;
    height: 100%; }
  .ulContainer main {
    padding-bottom: 0; }
  }

 .ulContainer main ol.howto {
  margin-left: 50px;
  margin-right: 25px; }