body {
  font-family: 'メイリオ', 'Hiragino Kaku Gothic Pro', 'sans-serif';
  line-height: 1.8;
  margin: 0;
}

li {
  list-style: none;
}

a:hover img {
  -ms-filter: 'alpha(opacity=70)';
  filter: alpha(opacity=70);
  opacity: none;
}

table {
  border-collapse: separate;
  border-spacing: 2px;
}

.clear {
  clear: both;
}

a img {
  border: none;
}

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

.clear {
  clear: both;
}

.question {
  cursor: pointer;
}

.theme {
  background-color: #eb1a24;
  background-size: cover;
  color: white;
  font-size: 50px;
  text-align: center;
}

/* 過去問チャレンジ */
.motto-btn {
  text-decoration: none;
}

/* パンくずリスト */
.breadcrumb {
  font-size: 20px;
  margin: 10px auto;
  text-align: center;
  width: 1000px;
}

.breadcrumb li {
  display: inline;
  list-style: none;
}

.breadcrumb li:after {
  color: #555;
  content: '>';
  padding: 0 3px;
}

.breadcrumb li:last-child:after {
  content: '';
}

.breadcrumb li a {
  color: #000;
  text-decoration: none;
}

.breadcrumb li a:hover {
  text-decoration: underline;
}

.breadcrumb-inner {
  text-align: left;
}

.challange-grade-motto {
  color: blue;
  cursor: pointer;
  font-size: 20px;
  margin: 4px auto 8px;
  text-align: center;
  text-decoration: underline;
}

.container {
  margin: 0 auto 0;
  padding: 20px 0 0;
  width: 100%;
}

.grade-wrapper4 {
  background: linear-gradient(to bottom, #fff -60%, #0698ED 90%);
}

.grade-theme {
  font-size: 24px;
  font-weight: bold;
  margin: auto;
  text-align: center;
  width: 1000px;
  font-weight: bold;
}

.theme {
  display: block;
  margin: 20px auto;
  width: 620px;
}

#exam {
  margin: 50px auto;
  width: 840px;
}

#subject-tab li {
  color: #fff;
  cursor: pointer;
  float: left;
  font-size: 18px;
  line-height: 1;
  list-style: none;
  padding: 20px 0;
  text-align: center;
  width: 25%;
}

#subject-tab li.selected {
  font-size: 30px;
  margin-top: -12px;
}

#subject-tab li:nth-of-type(1) {
  background-color: #3647c9;
}

#subject-tab li:nth-of-type(2) {
  background-color: #b42a2e;
}

#subject-tab li:nth-of-type(3) {
  background-color: #ae6825;
}

#subject-tab li:nth-of-type(4) {
  background-color: #2b9139;
}

#exam .explain {
  background-color: #fff;
  border-bottom: 3px solid #bfbfbf;
  border-left: 3px solid #bfbfbf;
  border-right: 3px solid #bfbfbf;
  box-sizing: border-box;
  display: none;
  padding: 10px 5%;
  width: 100%;
}

#exam .show {
  display: block;
}

#exam .explain h3 {
  font-size: 23px;
  line-height: 1.5;
  margin: 10px 0;
}

#exam .explain img {
  margin: 20px auto;
  width: 95%;
}

#exam .explain p {
  font-size: 20px;
  line-height: 2;
  margin: 20px auto;
  width: 95%;
}

.par-ans {
  float: left;
  font-size: 23px;
  margin: 15px 10px;
}

.solve {
  float: left;
}

#math h3 {
  border-bottom: 2px solid #3647c9;
  color: #3647c9;
  font-size: 22px;
}

#japanese h3 {
  border-bottom: 2px solid #b42a2e;
  color: #b42a2e;
}

#science h3 {
  border-bottom: 2px solid #ae6825;
  color: #ae6825;
}

#social h3 {
  border-bottom: 2px solid #2b9139;
  color: #2b9139;
}

/* Q&A */
#qanda {
  margin: 0 auto;
  width: 840px;
}

.qanda {
  background-color: #bfeb7c;
  border-radius: 35px;
  color: #07472d;
  font-size: 40px;
  font-weight: bold;
  line-height: 70px;
  margin-bottom: 40px;
  margin-left: 25px;
  margin-top: 100px;
  padding-top: 10px;
  position: relative;
  text-align: center;
  text-shadow: 3px 0 0 #fff, 3px 3px 0 #fff, 0 3px 0 #fff, -3px 3px 0 #fff,
  -3px 0 0 #fff, -3px -3px 0 #fff, 0 -3px 0 #fff, 3px -3px 0 #fff;
  width: 790px;
  margin: 0 auto;
}

.qanda span {
  font-size: 25px;
}

.qanda::after {
  background-image: url('../img/touitsukun_kangaechu.png');
  background-repeat: no-repeat;
  background-size: contain;
  bottom: -20px;
  content: '';
  display: inline-block;
  height: 148px;
  left: 735px;
  position: absolute;
  width: 90px;
}

.q1 {
  border: 2px solid #eb1c24;
  border-radius: 11px;
  margin-bottom: 30px;
}

.question {
  background-color: #eb1c24;
  border-radius: 8px;
  color: #fff;
  font-size: 30px;
  font-weight: bold;
  line-height: 70px;
  padding-left: 20px;
}

.question span {
  font-size: 20px;
  letter-spacing: -1px;
  padding-left: 20px;
}

.answer {
  display: flex;
  font-size: 18px;
  font-weight: bold;
  line-height: 25px;
  padding-bottom: 10px;
  padding-right: 20px;
  padding-top: 20px;
}

.answer p {
  color: red;
  font-size: 30px;
  padding: 0 20px;
}

.q2 {
  border: 2px solid #eb1c24;
  border-radius: 11px;
  margin-bottom: 30px;
}

.q2 > .question span {
  font-size: 20px;
}

/* 父母の声 */
#koe {
  margin: 0 auto;
  width: 900px;
}

.koe {
  background-color: #e70012;
  border-radius: 35px;
  color: #fff;
  font-size: 40px;
  font-weight: bold;
  line-height: 70px;
  margin-bottom: 40px;
  margin-left: 55px;
  margin-top: 100px;
  text-align: center;
  width: 790px;
}

.voice-content {
  display: flex;
  margin: 20px 10px 10px;
  align-items: center;
}

.voice-name {
  height: 180px;
  text-align: center;
  width: 140px;
}

.voice-name span {
  font-size: 40px;
}

.voice-text1 {
  border: 3px solid #e70012;
  border-radius: 8px;
  font-size: 20px;
  line-height: 30px;
  margin-left: 30px;
  padding: 20px;
  width: 620px;
  letter-spacing: -0.7px;
}

.voice-text2 {
  border: 3px solid #e70012;
  border-radius: 8px;
  font-size: 20px;
  height: 90px;
  line-height: 30px;
  margin-left: 30px;
  padding: 20px;
  width: 620px;
}

.covid {
  font-size: 21px;
  line-height: 1.5;
  text-align: center;
  margin: -1px auto;
  padding-left: 40px;
  width: 960px;
}

#time {
  margin-left: -20px;
  width: 220px;
}
.clearfix:after {
  clear: both;
  content: '';
  display: block;
}

.clear {
  clear: both;
}

.subheader .logs {
  list-style: none;
  margin: 13px auto;
  padding: 0;
  width: 900px;
}

.subheader {
  margin: 0 auto;
  position: relative;
  width: 1000px;
}

.grade {
  color: #fff;
  font-size: 28px;
  font-weight: bold;
  margin: 0 auto;
  padding: 10px;
  text-align: center;
  width: 80%;
}

.grade span {
  font-size: 40px;
}

.grade1 {
  background: linear-gradient(to bottom, #e1626b -60%, #e1626b 90%);
  border-radius: 8px;
  font-size: 20px;
  line-height: 30px;
  padding: 17px;
  text-align: center;
}

.grade2 {
  background: linear-gradient(to bottom, #feaa54 20%, #ff9326 90%);
  border-radius: 8px;
  font-size: 20px;
  line-height: 30px;
  padding: 17px;
  text-align: center;
}

.grade3 {
  background: linear-gradient(to bottom, #fdd866 20%, #fbc92a 90%);
  border-radius: 8px;
  font-size: 20px;
  line-height: 30px;
  padding: 17px;
  text-align: center;
}

.grade4 {
  background: linear-gradient(to bottom, #7fc69a 20%, #26a055 90%);
  border-radius: 8px;
  font-size: 20px;
  line-height: 30px;
  padding: 17px;
  text-align: center;
}

.grade5 {
  background: linear-gradient(to bottom, #8eb2d2 20%, #0f63a9 90%);
  border-radius: 8px;
  font-size: 20px;
  line-height: 30px;
  padding: 17px;
  text-align: center;
}

.grade6 {
  background: linear-gradient(to bottom, #909bc8 20%, #445aa3 90%);
  border-radius: 8px;
  font-size: 20px;
  line-height: 30px;
  padding: 17px;
  text-align: center;
}

.grade-button {
  display: flex;
  padding-left: 10px;
}

.grade-button a {
  color: #fff;
  font-weight: bold;
  text-decoration: none;
}

.grade-button a:hover {
  color: #fff;
  opacity: .8;
}

.grade-full {
  border-radius: 20px;
  color: #000;
  font-size: 20px;
  font-weight: bold;
  height: 55px;
  line-height: 55px;
  margin: 0 auto;
  margin-bottom: 20px;
  padding: 10px 0;
  text-align: center;
}

.other-grade {
  margin: 0 auto;
  margin-bottom: 70px;
  width: 1000px;
}

.title-detail-2 {
  background-color: #e16069;
  color: #fff;
  font-size: 4.2rem;
  font-weight: bold;
  margin-bottom: 30px;
  text-align: center;
}

.clearfix:after {
  clear: both;
  content: '';
}

.center {
  padding: 20px auto;
  text-align: center;
}

.mini-wrapper {
  font-size: 1.6rem;
  margin: 0 auto;
  width: 1000px;
}

.mt30 {
  margin-top: 30px;
}

.flex {
  display: flex;
}

.ml15 {
  margin-left: 15px;
}

.gaiyou-time-ul {
  margin: 0 auto 10px;
  width: 160px;
}

.m0 {
  margin: 0;
}

.text-right {
  text-align: right;
}

.gaiyou-box-4 > .pt20 {
  padding-top: 20px;
}

.gaiyou-4-text {
  line-height: 1.2;
  margin-top: -4px !important;
}

.flex {
  display: flex;
}

.ml27 {
  margin-left: 27px;
}

.gaiyou-11-text {
  line-height: 23px;
  margin-top: 5px;
}

/* mv */
.toitsu-mv-txt {
  font-size: 27px;
  font-weight: bold;
  margin-bottom: 10px;
  text-align: center;
}

.smaller {
  font-size: 24px;
}

.bigger {
  font-size: 32px;
}

.mv-title {
  background-color: #e31216;
  margin: 10px auto 0;
  position: relative;
  width: 1000px;
  z-index: 100;
}

.mv-title-text {
  color: white;
  font-size: 28px;
  font-weight: 600;
  height: 52px;
  line-height: 52px;
  margin: 0;
  margin-bottom: -2px;
  text-align: center;
}

.mainvisual-image {
  position: relative;
  text-align: left;
  width: 642px;
  z-index: 10;
}

.mainvisual-image img {
  width: 100%;
}

.mainvisual-block {
  position: relative;
  width: 994px;
}

.count-image {
  height: 400px;
  margin: 0 auto;
  overflow: hidden;
  position: absolute;
  right: 0;
  top: 1px;
  width: 568px;
  z-index: 0;
}

.count-down {
  left: 70px;
  position: absolute;
  top: 0;
}

.mt40 {
  margin-top: 40px;
}

.online-banner-box {
  margin: 50px auto;
  width: 100%;
}

.online-banner-box a {
  display: block;
  text-align: center;
}

.online-banner-box p {
  font-size: 20px !important;
  font-weight: 700;
  margin: 5px auto;
  text-align: center;
}

.online-banner-box p span {
  color: #eb1c24 !important;
}

.text-right {
  text-align: right;
}

.fz18 {
  font-size: 18px;
}

#exam .explain .japanese-img {
  margin-left: 350px;
  width: 40%;
}

.global-page-top-button .page-top {
  bottom: 50px;
  margin: 0;
  padding: 0;
  position: fixed;
  right: 50px;
  z-index: 9999;
}

.global-page-top-button .page-top {
  background: #003CF0;
  border-radius: 50px;
  color: #fff;
  cursor: pointer;
  display: block;
  height: 50px;
  line-height: 50px;
  opacity: .8;
  text-align: center;
  text-decoration: none;
  -webkit-transition: all .3s;
  -moz-transition: all .3s;
  transition: all .3s;
  width: 50px;
}
.grade-mosikomi-botton{
  position: relative;
  width: 800px;
  background-color: #8DCA00;
  height: 70px;
  text-align: center;
  margin: 0 auto;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  font-weight: 600;
}
.grade-mosikomi-botton::after{
  content:"";
  position: absolute;
  width: 0px;
  right: 15px;
  bottom: 22px;
  border-style:solid;
  border-color: transparent transparent transparent white;
  border-width:15px 15px 15px 20px
}
.grade-mosikomi-botton2{
  position: relative;
  width: 800px;
  background-color: #8DCA00;
  height: 70px;
  text-align: center;
  margin: 0 auto;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  font-weight: 600;
  margin-bottom: 40px;
}
.grade-mosikomi-botton2::after{
  content:"";
  position: absolute;
  width: 0px;
  right: 15px;
  bottom: 22px;
  border-style:solid;
  border-color: transparent transparent transparent white;
  border-width:15px 15px 15px 20px
}
.grade-mosikomi-botton3{
  position: relative;
  width: 800px;
  background-color: #8DCA00;
  height: 70px;
  text-align: center;
  margin: 0 auto;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  font-weight: 600;
  margin-bottom: 90px;
}
.grade-mosikomi-botton3::after{
  content:"";
  position: absolute;
  width: 0px;
  right: 15px;
  bottom: 22px;
  border-style:solid;
  border-color: transparent transparent transparent white;
  border-width:15px 15px 15px 20px
}

.more dt {
  color: #1106f8;
    cursor: pointer;
    display: block;
    text-align: right;
    text-decoration: underline;
}

.more dd {
  display: none;
}

.mv-area{
  margin: 0 auto;
  display: block;
  width: 1000px;
}

.parent-img{
  width: 100%;
}

.js-accordion-title {
  cursor: pointer;
}