@charset "UTF-8";
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700;900&display=swap");
@import url("https://fonts.googleapis.com/css2?family=DotGothic16&display=swap");
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 {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
}

/*行の高さをフォントサイズと同じにして余白をリセットしています
（※padding:0;は省略しても違いが見られなかったためmargin:0;のみ）*/
body {
  line-height: 1;
  font-family: ArialMT, "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", メイリオ, sans-serif;
}

/*HTML5での新規追加要素のデフォルトをブロック要素へ変更しています
（※Android2.1以前のブラウザではインライン要素となっているようでした）*/
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}

/*水平罫線のデフォルトである立体的な罫線を見えなくしています
（※罫線の色を変える場合は#ccccccの部分を変更）*/
hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: 1px solid #cccccc;
  margin: 1em 0;
  padding: 0;
}

/*リスト要素のリストスタイルと余白をリセットする
（※margin:0;は省略しても違いが見られなかったためpadding:0;のみ）*/
ul {
  list-style: none;
  padding: 0;
}

li {
  padding: 0;
}

/*縦方向の揃え位置を中央揃えに指定しています*/
input, select {
  vertical-align: middle;
}

a {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0.3);
  /*display: block;*/
  /*-webkit-tap-highlight-color:transparent;*/
}

body {
  background: #FFFCDE url(../img/bg-main.png) top center repeat;
  background-size: 108px;
  color: #000;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: normal;
  -webkit-text-size-adjust: 100%;
     -moz-text-size-adjust: 100%;
          text-size-adjust: 100%;
}

* {
  box-sizing: border-box;
}

a {
  text-decoration: none;
}
a:hover {
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}
.hide_pc {
  display: none;
}
.hide_sp {
  display: block;
}
@media screen and (max-width: 1023px) {
  .hide_pc {
    display: block;
  }
  .hide_sp {
    display: none;
  }
}
.l-header {
  background: #377A65;
  color: #fff;
  display: block;
  padding: 8px 0;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 99;
}
.l-header.is-front {
  z-index: 120;
}

.l-content {
  margin: auto;
  padding: 0 48px;
  width: 100%;
  max-width: 1024px;
}
@media screen and (max-width: 768px) {
  .l-content {
    padding: 0 24px;
  }
}
@media screen and (max-width: 480px) {
  .l-content {
    padding: 0 16px;
  }
}

.l-main {
  padding-top: 64px;
}
@media screen and (max-width: 768px) {
  .l-main {
    padding-top: 80px;
  }
}

.l-footer {
  background: #FFFCDE;
  padding: 40px 0;
  text-align: center;
  overflow-y: hidden;
}
@media screen and (max-width: 768px) {
  .l-footer {
    padding: 40px 0 30px;
  }
}
.l-footer--mail {
  background: transparent;
  padding: 0 0 40px;
}
.l-footer--archive {
  padding: 0 0 40px;
}
@media screen and (max-width: 768px) {
  .l-footer--archive {
    padding: 0 0 4s0px;
  }
}
.l-footer__banner {
  margin-top: 90px;
}
.l-footer__banner a {
  display: block;
  transition: all 0.2s ease-in-out;
}
.l-footer__banner a:hover {
  opacity: 0.8;
}
.l-footer__banner img {
  margin: auto;
}
.l-footer__banner img:first-child {
  display: block;
}
.l-footer__banner img:last-child {
  display: none;
}
@media screen and (max-width: 768px) {
  .l-footer__banner img:first-child {
    display: none;
  }
  .l-footer__banner img:last-child {
    display: block;
  }
}
@media screen and (max-width: 768px) {
  .l-footer__banner--archive {
    margin-top: 120px;
  }
}
.l-footer__sollogo {
  margin-top: 64px;
}
.l-footer__sollogo a {
  display: inline-block;
  transition: all 0.2s ease-in-out;
}
.l-footer__sollogo a:hover {
  transform: scale(1.1);
}
.l-footer__copyright {
  display: block;
  margin-top: 64px;
}
.l-footer__message {
  background: #377A65;
  border-radius: 40px;
  color: #fff;
  display: block;
  margin-top: 60px;
  margin-bottom: -25px;
  padding: 14px 32px;
  position: relative;
  text-align: left;
}
@media screen and (max-width: 1023px) {
  .l-footer__message {
    margin: 40px auto 153px;
    padding: 28px 16px 130px;
    text-align: center;
    width: 100%;
    max-width: 480px;
  }
}
.l-footer__message .c-text {
  font-family: "DotGothic16", sans-serif;
  font-size: 20px;
  margin: 0;
}
.l-footer__message .c-text br {
  display: none;
}
@media screen and (max-width: 1023px) {
  .l-footer__message .c-text {
    font-size: 16px;
  }
}
@media screen and (max-width: 768px) {
  .l-footer__message .c-text {
    font-size: 20px;
  }
  .l-footer__message .c-text br {
    display: block;
  }
}
.l-footer__message .c-text span {
  color: #FFE200;
  margin-right: 16px;
}
.l-footer__message .c-text a {
  background: #fff;
  border-radius: 40px;
  color: #D10000;
  display: inline-block;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 18px;
  font-weight: bold;
  margin-left: 16px;
  padding: 8px 18px;
  transition: all 0.2s ease-in-out;
  text-decoration: none;
}
.l-footer__message .c-text a:hover {
  transform: scale(1.05);
}
@media screen and (max-width: 1023px) {
  .l-footer__message .c-text a {
    margin: 20px 0 0 0;
    font-size: 20px;
    padding: 16px 28px;
  }
}
.l-footer__message .c-text a:hover {
  text-decoration: none;
}
.l-footer__message .c-text .c-footer-teacher {
  aspect-ratio: 233/266;
  background: url(../img/illust-teacher-575.png) top right no-repeat;
  background-size: 100%;
  content: "";
  display: block;
  margin-right: 0;
  position: absolute;
  width: 185px;
  bottom: -24px;
  right: -24px;
}

@media screen and (max-width: 1023px) {
  .l-footer__message .c-text .c-footer-teacher {
    aspect-ratio: 233/240;
    width: 233px;
    bottom: -124px;
    right: 22%;
  }
}
@media screen and (max-width: 480px) {
  .l-footer__message .c-text .c-footer-teacher {
    right: 15%;
  }
}

.p-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.p-header__logo {
  flex-shrink: 0;
  order: 1;
}
.p-header__logo a {
  display: inline-block;
  vertical-align: middle;
  margin-right: 8px;
  transition: all 0.2s ease-in-out;
}
.p-header__logo a:hover {
  opacity: 0.8;
}
.p-header__logo a:first-child img {
  width: auto;
  height: 32px;
}
.p-header__logo a:last-child img {
  width: auto;
  height: 24px;
}
.p-header__sns {
  flex-shrink: 0;
  order: 3;
}
.p-header__sns a {
  display: inline-block;
  vertical-align: middle;
  margin-left: 8px;
  transition: all 0.2s ease-in-out;
}
.p-header__sns a:hover {
  filter: brightness(110%);
}
.p-header__sns a img {
  width: auto;
  height: 32px;
}
.p-header__575 {
  flex-grow: 1;
  order: 2;
  overflow: hidden;
}
@media screen and (max-width: 768px) {
  .p-header {
    flex-wrap: wrap;
  }
  .p-header__logo {
    order: 1;
  }
  .p-header__sns {
    order: 2;
  }
  .p-header__575 {
    order: 3;
    width: 100%;
  }
}

.p-about {
  position: relative;
}
@media screen and (max-width: 768px) {
  .p-about {
    text-align: center;
  }
}
@media screen and (max-width: 1023px) {
  .p-about__logo {
    width: 40%;
  }
}
@media screen and (max-width: 768px) {
  .p-about__logo {
    margin: auto;
    width: 100%;
    max-width: 480px;
  }
}
.p-about__teacher {
  aspect-ratio: 494/696;
  display: block;
  position: absolute;
  top: -40px;
  right: -24px;
  z-index: 100;
  width: 100%;
  height: auto;
  max-width: 494px;
}
@media screen and (max-width: 1023px) {
  .p-about__teacher {
    top: 50%;
    right: auto;
    left: 50%;
    transform: translate(-50%, -50%) translate(173px, 24px);
    width: 51%;
  }
}
@media screen and (max-width: 768px) {
  .p-about__teacher {
    aspect-ratio: 333/671;
    margin: -40px auto 0;
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    transform: none;
    width: 100%;
    max-width: 480px;
  }
}
.p-about__text {
  margin-top: 16px;
  position: relative;
  width: 50%;
  padding-bottom: 32px;
}
.p-about__text .c-text--green {
  font-size: 26px;
  line-height: 1.2;
  margin: 16px 0;
}
@media screen and (max-width: 768px) {
  .p-about__text {
    width: 100%;
    padding-bottom: 0;
  }
}
.p-about__keyholder {
  position: absolute;
  bottom: 0;
  right: 25px;
}
@media screen and (max-width: 1023px) {
  .p-about__keyholder {
    display: inline-block;
    right: auto;
    left: 270px;
    width: 160px;
  }
}
@media screen and (max-width: 768px) {
  .p-about__keyholder {
    position: relative;
    bottom: auto;
    left: auto;
  }
}

.p-quiz {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
}
@media screen and (max-width: 1023px) {
  .p-quiz {
    flex-wrap: wrap;
  }
}
.p-quiz__info {
  flex-shrink: 0;
  margin-top: 32px;
}
@media screen and (max-width: 1023px) {
  .p-quiz__info {
    text-align: center;
    width: 100%;
  }
}
.p-quiz__heading {
  margin-top: 16px;
}
@media screen and (max-width: 1023px) {
  .p-quiz__heading br {
    display: none;
  }
}
.p-quiz__text {
  margin-top: 16px;
}
.p-quiz__question {
  background: #377A65;
  border-radius: 30px;
  color: #fff;
  padding: 72px 32px 48px;
  position: relative;
  text-align: center;
  width: 100%;
  max-width: 452px;
  min-height: 440px;
}
@media screen and (max-width: 1023px) {
  .p-quiz__question {
    padding: 24px;
    margin: 24px auto 0;
    min-height: auto;
  }
}
.p-quiz__question-teacher {
  aspect-ratio: 276/411;
  background: url(../img/illust-teacher-quiz.png) top right no-repeat;
  background-size: 100%;
  display: block;
  position: absolute;
  top: 0;
  left: -200px;
  width: 100%;
  max-width: 276px;
}
@media screen and (max-width: 1023px) {
  .p-quiz__question-teacher {
    top: -16px;
    left: -132px;
    width: 180px;
  }
}
@media screen and (max-width: 768px) {
  .p-quiz__question-teacher {
    aspect-ratio: 160/233;
    background-size: auto 233px;
    top: auto;
    bottom: -100px;
    left: -20px;
    width: 160px;
    z-index: 2;
  }
}
@media screen and (max-width: 480px) {
  .p-quiz__question-teacher {
    aspect-ratio: 136/233;
    bottom: -80px;
    width: 136px;
  }
}
@media screen and (max-width: 768px) {
  .p-quiz__question-teacher--release {
    bottom: 10px;
  }
}
@media screen and (max-width: 480px) {
  .p-quiz__question-teacher--release {
    bottom: 10px;
  }
}
.p-quiz__question a {
  background: #fff;
  border-radius: 40px;
  color: #D10000;
  display: inline-block;
  font-size: 24px;
  font-weight: bold;
  margin-top: 24px;
  padding: 24px 40px;
  transition: all 0.2s ease-in-out;
}
.p-quiz__question a:hover {
  transform: scale(1.05);
}
@media screen and (max-width: 1023px) {
  .p-quiz__question a {
    font-size: 20px;
    padding: 16px 32px;
  }
}
@media screen and (max-width: 480px) {
  .p-quiz__question a {
    padding: 16px;
  }
}

.p-quiz__heading .c-text--green {
  font-size: 40px;
  line-height: 1.2;
}
@media screen and (max-width: 480px) {
  .p-quiz__heading .c-text--green {
    font-size: 34px;
  }
}
.p-gyakuden__message {
  margin-top: 40px;
  background: #377A65;
  border-radius: 30px;
  color: #fff;
  padding: 20px 60px;
  width: 100%;
}
.p-gyakuden {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 200px;
}
@media screen and (max-width: 1023px) {
  .p-gyakuden__message {
    position: relative;
    text-align: center;
    width: 100%;
    max-width: 452px;
    margin: 40px auto 0;
  }
  .p-gyakuden {
    flex-wrap: wrap;
    justify-content: center;
  }
  .p-gyakuden__message {
    padding: 24px;
    text-align: center;
  }
  .p-gyakuden__heading img {
    width: 76%;
    margin: 0 auto;
  }
}
.p-gyakuden__text {
  align-items: center;
  font-size: 20px;
  font-weight: bold;
  line-height: 1.4;
  padding-top: 10px;
  text-align: left;
}
@media screen and (max-width: 1023px) {
  .p-gyakuden__text {
    font-size: 18px;
    text-align: center;
  }
}
.p-gyakuden__button a {
  background: #fff;
  border-radius: 40px;
  color: #D10000;
  display: inline-block;
  font-size: 24px;
  font-weight: bold;
  margin-top: 24px;
  padding: 24px 40px;
  transition: all 0.2s ease-in-out;
}
.p-gyakuden__button a:hover {
  transform: scale(1.05);
}
@media screen and (max-width: 1023px) {
  .p-gyakuden__button a {
    font-size: 20px;
    padding: 16px 32px;
  }
}
@media screen and (max-width: 480px) {
  .p-gyakuden__button a {
    padding: 16px;
  }
}

.p-archive {
  background: #377A65;
  color: #fff;
  margin-top: 64px;
  padding: 40px 0 32px;
  position: relative;
}
.p-archive__content {
  display: flex;
  align-items: center;
  padding-left: 120px;
}
@media screen and (max-width: 1023px) {
  .p-archive__content {
    padding-left: 64px;
  }
}
@media screen and (max-width: 768px) {
  .p-archive__content {
    flex-wrap: wrap;
    padding-left: 0;
  }
}
.p-archive__heading {
  flex-shrink: 0;
  margin-right: 40px;
}
.p-archive__heading span {
  display: block;
  text-align: center;
}
.p-archive__heading a {
  background: #fff;
  border-radius: 40px;
  color: #377A65;
  display: inline-block;
  font-size: 18px;
  font-weight: bold;
  margin-top: 24px;
  padding: 20px 24px;
  transition: all 0.2s ease-in-out;
}
.p-archive__heading a:hover {
  transform: scale(1.05);
}
@media screen and (max-width: 1023px) {
  .p-archive__heading .c-text--normal {
    font-size: 14px;
  }
  .p-archive__heading img {
    width: 180px;
  }
}
@media screen and (max-width: 768px) {
  .p-archive__heading {
    margin-right: 0;
    width: 100%;
    text-align: center;
  }
  .p-archive__heading .c-text {
    margin-top: 0;
  }
  .p-archive__heading a {
    margin: 16px 0;
    font-size: 16px;
  }
}
.p-archive__body {
  margin-left: 0;
  padding-right: 40px;
}
@media screen and (max-width: 768px) {
  .p-archive__body {
    margin-top: 24px;
    padding: 0 40px;
    width: 100%;
  }
}
@media screen and (max-width: 480px) {
  .p-archive__body {
    padding: 0 16px;
  }
}

.p-archive-quiz {
  margin: 40px 0;
}
@media screen and (max-width: 768px) {
  .p-archive-quiz {
    margin-top: 16px;
  }
}
.p-archive-quiz__question {
  background: #377A65;
  border-radius: 30px;
  color: #fff;
  min-height: 418px;
  padding: 24px;
  position: relative;
}
@media screen and (max-width: 1023px) {
  .p-archive-quiz__question {
    min-height: 350px;
  }
}
.p-archive-quiz__question-inner {
  margin: 0 0 0 auto;
  width: 100%;
  max-width: 550px;
}
@media screen and (max-width: 1023px) {
  .p-archive-quiz__question-inner {
    margin: 0 0 0 170px;
    width: auto;
    max-width: 100%;
  }
}
@media screen and (max-width: 768px) {
  .p-archive-quiz__question-inner {
    margin: 0;
  }
}
.p-archive-quiz__teacher {
  aspect-ratio: 705/850;
  background: url(../img/illust-teacher-quiz-fire.png) top right no-repeat;
  background-size: 100%;
  display: block;
  position: absolute;
  top: 12px;
  left: -32px;
  width: 100%;
  max-width: 352px;
}
@media screen and (max-width: 1023px) {
  .p-archive-quiz__teacher {
    max-width: 240px;
    top: 40px;
    left: -40px;
  }
}
@media screen and (max-width: 768px) {
  .p-archive-quiz__teacher {
    aspect-ratio: 170/227;
    background-size: auto 227px;
    top: auto;
    bottom: -20px;
    left: -24px;
    width: 170px;
    z-index: 2;
  }
}
@media screen and (max-width: 480px) {
  .p-archive-quiz__teacher {
    left: -16px;
  }
}
.p-archive-quiz__explanation {
  background: #fff;
  border-radius: 30px;
  margin-top: 24px;
  padding: 32px 32px 48px;
}
@media screen and (max-width: 768px) {
  .p-archive-quiz__explanation {
    padding: 24px 24px 48px;
  }
}
@media screen and (max-width: 480px) {
  .p-archive-quiz__explanation {
    padding: 24px 16px;
  }
}
.p-archive-quiz__explanation h2 {
  margin-bottom: 40px;
}
@media screen and (max-width: 768px) {
  .p-archive-quiz__explanation h2 {
    display: block;
    margin: 0 auto 32px;
    width: 232px;
  }
}
@media screen and (max-width: 480px) {
  .p-archive-quiz__explanation h2 {
    display: block;
    margin: 0 auto 32px;
    width: 213px;
  }
}
.p-archive-quiz__explanation h3 {
  font-size: 24px;
  line-height: 1.4;
}
@media screen and (max-width: 480px) {
  .p-archive-quiz__explanation h3 {
    font-size: 20px;
  }
}
.p-archive-quiz__explanation p {
  font-size: 16px;
  line-height: 1.7;
  margin-top: 16px;
}
.p-archive-quiz__explanation p a {
  color: #377A65;
  text-decoration: underline;
}
.p-archive-quiz__explanation p a:hover {
  text-decoration: none;
}
.p-archive-quiz__explanation p:first-child {
  margin-top: 0;
}
.p-archive-quiz__explanation figure {
  margin: 32px auto;
  width: 100%;
  max-width: 600px;
}
.p-archive-quiz__explanation figure figcaption {
  display: block;
  text-align: center;
}
.p-archive-quiz__explanation figure + figure {
  margin-top: 24px;
}
.p-archive-quiz__explanation small {
  display: block;
  font-size: 12px;
  margin-top: 16px;
  text-align: right;
}
.p-archive-quiz__reference {
  background: #DBEDC6;
  border-radius: 30px;
  margin-top: 16px;
  padding: 24px 32px;
  word-break: break-all;
}
@media screen and (max-width: 768px) {
  .p-archive-quiz__reference {
    padding: 16px 24px;
  }
}
@media screen and (max-width: 480px) {
  .p-archive-quiz__reference {
    padding: 16px;
  }
}
.p-archive-quiz__reference .c-text a {
  color: #2F52C7;
  text-decoration: underline;
}
.p-archive-quiz__reference .c-text a:hover {
  text-decoration: none;
}

.p-archive-onair {
  margin: 40px auto;
  width: 100%;
  max-width: 640px;
}
@media screen and (max-width: 768px) {
  .p-archive-onair {
    margin-top: 16px;
    max-width: 452px;
  }
}
.p-archive-onair__heading {
  border: 3px solid #fff;
  border-radius: 8px;
  overflow: hidden;
}
.p-archive-onair__heading img {
  width: 100%;
}
.p-archive-onair__student {
  margin-top: 40px;
}
.p-archive-onair__body {
  margin-top: 24px;
}
.p-archive-onair__link {
  margin-top: 40px;
  text-align: center;
}
.p-archive-onair__link .c-detail-label {
  text-align: left;
  transition: all 0.2s ease-in-out;
}
.p-archive-onair__link .c-detail-label:hover {
  opacity: 0.8;
}
.p-archive-onair__link .c-detail-label::before {
  content: "";
  aspect-ratio: 36/45;
  background: url(../img/img-attention.png) bottom left no-repeat;
  background-size: 100%;
  display: inline-block;
  width: 36px;
  position: absolute;
  bottom: 0;
  left: 16px;
}
@media screen and (max-width: 768px) {
  .p-archive-onair__link .c-detail-label {
    font-size: 18px;
  }
  .p-archive-onair__link .c-detail-label::before {
    width: 32px;
  }
}
@media screen and (max-width: 480px) {
  .p-archive-onair__link .c-detail-label {
    font-size: 15px;
    padding: 12px 16px 12px 40px;
  }
  .p-archive-onair__link .c-detail-label::before {
    left: 12px;
    width: 24px;
  }
}

.p-cv {
  display: flex;
  align-items: center;
}
@media screen and (max-width: 768px) {
  .p-cv {
    flex-wrap: wrap;
  }
}
.p-cv__image {
  border-radius: 80px;
  flex-shrink: 0;
  overflow: hidden;
  width: 157px;
}
@media screen and (max-width: 768px) {
  .p-cv__image {
    margin: auto;
  }
}
.p-cv__text {
  margin-left: 24px;
  text-align: left;
}
.p-cv__text .c-text {
  line-height: 1.7;
}
@media screen and (max-width: 768px) {
  .p-cv__text {
    margin: 16px 0 0;
    width: 100%;
  }
  .p-cv__text .c-text--heading {
    text-align: center;
  }
}

@media screen and (max-width: 768px) {
  .p-mail .p-about__teacher {
    display: none;
  }
}
.p-mail__content {
  background: #fff;
  border-radius: 24px;
  margin: 64px auto 24px;
  padding: 48px 0;
  width: 100%;
}

.c-575 {
  display: inline-block;
  font-family: "DotGothic16", sans-serif;
  font-size: 20px;
  white-space: nowrap;
  -webkit-animation: anzen575 20s linear infinite;
          animation: anzen575 20s linear infinite;
}
.c-575__heading {
  color: #FFE200;
  margin-right: 1em;
}
.c-575__body {
  color: #fff;
}

@-webkit-keyframes anzen575 {
  0% {
    margin-left: 100%;
  }
  100% {
    transform: translateX(-100%);
  }
}

@keyframes anzen575 {
  0% {
    margin-left: 100%;
  }
  100% {
    transform: translateX(-100%);
  }
}
.c-main-teacher {
  position: relative;
  width: 100%;
  height: 100%;
}
.c-main-teacher img {
  position: absolute;
}
.c-main-teacher img:first-child {
  display: block;
  width: 66%;
  bottom: 0;
  left: 15%;
}
@media screen and (max-width: 768px) {
  .c-main-teacher img:first-child {
    width: 90%;
    left: 3%;
  }
}
.c-main-teacher img:nth-child(2) {
  display: block;
  width: 15%;
  top: 11%;
  left: 0;
}
@media screen and (max-width: 768px) {
  .c-main-teacher img:nth-child(2) {
    width: 19%;
    top: 0;
    left: 6%;
  }
}
.c-main-teacher img:nth-child(3) {
  display: block;
  width: 21%;
  top: 7%;
  right: 0;
}
@media screen and (max-width: 768px) {
  .c-main-teacher img:nth-child(3) {
    width: 27%;
    top: 0;
  }
}
.c-main-teacher img:last-child {
  display: block;
  width: 6%;
  bottom: 10%;
  right: 24%;
}
@media screen and (max-width: 768px) {
  .c-main-teacher img:last-child {
    width: 8%;
    bottom: 29.5%;
    right: 25%;
  }
}

.c-text {
  font-size: 16px;
  line-height: 1.4;
  margin-top: 16px;
}
.c-text a {
  color: #377A65;
  text-decoration: underline;
}
.c-text:first-child {
  margin-top: 0;
}
.c-text--normal {
  font-weight: normal;
}
.c-text--bold {
  font-weight: bold;
}
.c-text--black {
  font-weight: 900;
}
.c-text--heading {
  font-size: 28px;
}
.c-text--mid {
  font-size: 14px;
}
.c-text--small {
  font-size: 12px;
}
.c-text--green {
  color: #377A65;
}
.c-text--quiz-date {
  font-size: 19px;
}
@media screen and (max-width: 1023px) {
  .c-text--quiz-date {
    font-size: 16px;
  }
}
.c-text--quiz-text {
  font-size: 24px;
}
@media screen and (max-width: 1023px) {
  .c-text--quiz-text {
    font-size: 20px;
  }
}
.c-text--answer-text {
  font-size: 40px;
}
@media screen and (max-width: 1023px) {
  .c-text--answer-text {
    font-size: 32px;
  }
}
@media screen and (max-width: 480px) {
  .c-text--answer-text {
    font-size: 28px;
  }
}
.c-text--answer-text span {
  margin-left: 1em;
}
@media screen and (max-width: 480px) {
  .c-text--answer-text span {
    display: block;
    margin-left: 0;
  }
}

.c-breadcrumb {
  list-style: none;
}
.c-breadcrumb__item {
  border-right: 1px solid #000;
  display: inline;
  padding: 0 8px;
}
.c-breadcrumb__item:last-child {
  border-right: none;
}
.c-breadcrumb__item a {
  color: #000;
  text-decoration: none;
}
.c-breadcrumb__item a:hover {
  text-decoration: underline;
}
.c-breadcrumb__item span {
  margin-left: 12px;
}

.c-archive-list__item {
  margin-right: 16px;
  width: 380px;
}
@media screen and (max-width: 768px) {
  .c-archive-list__item {
    width: 320px;
  }
}
@media screen and (max-width: 768px) {
  .c-archive-list__item {
    width: 310px;
  }
}

.c-archive-card {
  position: relative;
  margin-bottom: 8px;
  width: 100%;
}
.c-archive-card__image {
  border-radius: 8px;
  border: 3px solid #fff;
  line-height: 0;
  margin: 0 0 0 auto;
  width: calc(100% - 18px);
  overflow: hidden;
}
.c-archive-card__image img {
  width: 100%;
}
.c-archive-card__date {
  background: #fff;
  border-radius: 24px;
  color: #377A65;
  display: inline-block;
  padding: 8px 8px 12px;
  position: absolute;
  top: 100px;
  left: 0;
}
.c-archive-card__date .c-text {
  line-height: 1;
}
@media screen and (max-width: 768px) {
  .c-archive-card__date {
    top: 80px;
    padding: 6px 8px 10px;
  }
  .c-archive-card__date .c-text {
    font-size: 12px;
  }
}
.c-archive-card__link {
  margin: 16px 0 0 auto;
  text-align: center;
  width: calc(100% - 18px);
}
.c-archive-card__link a {
  border: 2px solid #fff;
  border-radius: 40px;
  color: #fff;
  display: inline-block;
  margin: 0 8px;
  padding: 12px 0;
  position: relative;
  width: 142px;
  transition: all 0.2s ease-in-out;
}
.c-archive-card__link a:hover {
  transform: scale(1.1);
}
@media screen and (max-width: 768px) {
  .c-archive-card__link a {
    width: 120px;
  }
  .c-archive-card__link a.c-text {
    font-size: 12px;
  }
}
.archive-wrapper {
  margin-top: 25px;

}
.archive__title {
  font-size: 24px;
  margin-left: 10px;
  color: #377A65;
}
@media screen and (max-width: 780px) {
  .archive-wrapper {
    margin-top: 60px;
  }
}
@media screen and (max-width: 480px) {
  .archive-wrapper {
    margin-top: 60px;
  }
  .archive__title {
    font-size: 20px;
    margin-left: 0;
  }
}
.archive {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  -webkit-justify-content: space-between;
  margin: 25px 0;
}
.archive-card {
  margin: 0 0 30px 0;
  width: 410px;
}
@media screen and (max-width: 950px) {
  .archive {
    flex-direction: column;
  }
  .archive-card {
    margin: 0 0 40px 0;
    width: 100%;
  }
}
.archive-card__image {
  position: relative;
  border-radius: 8px;
  border: 3px solid #fff;
  line-height: 0;
  margin: 0 0 0 auto;
  overflow: hidden;
}
.archive-card__image img {
  width: 100%;
}
.archive-card__date {
  background: #fff;
  color: #377A65;
  display: inline-block;
  padding: 8px;
  position: absolute;
  bottom: -2px;
  left: -2px;
  border-radius: 6px;
}
.archive-card__date .c-text {
  line-height: 1;
}
@media screen and (max-width: 768px) {
  .archive-card__date .c-text {
    font-size: 14px;
  }
}
.archive-card__link {
  margin: 16px 0 0 auto;
  text-align: center;
}
.archive-card__link a {
  border: 2px solid #377A65;
  border-radius: 40px;
  color: #377A65;
  background: #fff;
  display: inline-block;
  margin: 0 8px;
  padding: 12px 0;
  position: relative;
  width: 136px;
  transition: all 0.2s ease-in-out;
}
.archive-card__link a:hover {
  transform: scale(1.1);
}
@media screen and (max-width: 768px) {
  .archive-card__link a {
    width: 160px;
    padding: 16px 24px;
  }
  .archive-card__link a.c-text {
    font-size: 16px;
  }
}
@media screen and (max-width: 480px) {
  .archive-card__link a {
    width: 120px;
    padding: 16px 0;
  }
  .archive-card__link a.c-text {
    font-size: 14px;
  }
}

.c-backtop {
  text-align: center;
}
.c-backtop a {
  color: #000;
  display: inline-block;
  position: relative;
  transition: all 0.2s ease-in-out;
}
.c-backtop a:hover {
  color: #377A65;
}
.c-backtop a::before {
  content: "";
  background: url(../img/icon-back.svg) top center no-repeat;
  background-size: 100%;
  display: inline-block;
  margin-right: 8px;
  vertical-align: middle;
  width: 32px;
  height: 32px;
}

.c-question span {
  display: block;
  margin-bottom: 24px;
}
@media screen and (max-width: 768px) {
  .c-question span:first-child {
    text-align: center;
  }
  .c-question span:last-child {
    padding-left: 120px;
  }
}
@media screen and (max-width: 480px) {
  .c-question span:first-child {
    text-align: center;
  }
  .c-question span:last-child {
    padding-left: 0;
  }
}

@media screen and (max-width: 768px) {
  .c-answer {
    padding-left: 120px;
  }
}
@media screen and (max-width: 480px) {
  .c-answer {
    min-height: 164px;
    padding: 24px 0 0 140px;
  }
}

.c-photo {
  border-radius: 16px;
  margin: 3em 0;
  overflow: hidden;
}
.c-photo img {
  width: 100%;
}

.c-paragraph {
  font-size: 16px;
  margin-top: 16px;
}
.c-paragraph__speaker {
  display: block;
  font-weight: bold;
}
.c-paragraph__body {
  display: inline-block;
  background: #fff;
  border-radius: 0 24px 24px 24px;
  line-height: 1.7;
  margin-top: 8px;
  padding: 16px;
}
.c-paragraph__body a {
  color: #377A65;
  text-decoration: underline;
}
.c-paragraph__body a:hover {
  text-decoration: none;
}
.c-paragraph--sol .c-paragraph__speaker {
  color: #000;
}
.c-paragraph--student .c-paragraph__speaker {
  color: #2F52C7;
}
.c-paragraph--teacher .c-paragraph__speaker {
  color: #83B056;
}

.c-detail-label {
  background: #83B056;
  border-radius: 40px;
  color: #fff;
  display: inline-block;
  font-size: 24px;
  font-weight: bold;
  padding: 16px 24px 16px 64px;
  position: relative;
}
.c-detail-label::before {
  content: "";
  aspect-ratio: 36/45;
  background: url(../img/img-attention.png) bottom left no-repeat;
  background-size: 100%;
  display: inline-block;
  width: 36px;
  position: absolute;
  bottom: 0;
  left: 16px;
}
@media screen and (max-width: 480px) {
  .c-detail-label {
    font-size: 20px;
  }
  .c-detail-label::before {
    width: 32px;
  }
}

.c-footer-sns {
  margin-top: 64px;
}
.c-footer-sns__heading.c-text {
  font-style: italic;
}
.c-footer-sns-list {
  margin-top: 24px;
}
.c-footer-sns-list__item {
  display: inline-block;
  margin: 0 8px;
}
.c-footer-sns-list__item a {
  display: block;
  transition: all 0.2s ease-in-out;
}
.c-footer-sns-list__item a:hover {
  transform: scale(1.1);
}

.u-mt-0 {
  margin-top: 0;
}
.u-mt-8 {
  margin-top: 8px;
}

.u-hidden-pc {
  display: none;
}
@media screen and (max-width: 768px) {
  .u-hidden-pc {
    display: block;
  }
}
.u-hidden-sp {
  display: inline-block;
}
@media screen and (max-width: 768px) {
  .u-hidden-sp {
    display: none;
  }
}
.backnumber-bg {
  background: #377A65;
  margin: 0 calc(50% - 50vw);
  width: 100vw;
}
.backnumber {
  margin-top: 60px;
  padding: 70px 0;
}
@media screen and (max-width: 480px) {
  .backnumber {
    padding: 30px 0;
  }
}
.backnumber__title {
  font-size: 24px;
  color: #000000;
  letter-spacing: 0.1em;
  text-align: center;
  padding-bottom: 70px;
}
@media screen and (max-width: 480px) {
  .backnumber__title {
    padding: 40px 20px;
  }
}
.backnumber__list {
  display: flex;
  position: relative;
  text-align: center;
  flex-wrap: wrap;
  justify-content: space-between;
  -webkit-justify-content: space-between;
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 48px;
}
.backnumber__list::after{
  content:"";
  display: block;
  width:30%;
}
@media screen and (max-width: 900px) {
  .backnumber__list {
    padding: 0 150px;
  }
}
@media screen and (max-width: 768px) {
  .backnumber__list {
    justify-content: center;
    -webkit-justify-content: center;
  }
}
.backnumber__list-item {
  box-sizing: border-box;
}

.backnumber__list-item a {
  font-size: 24px;
  border-radius: 40px;
  color: #377A65;
  background: #ffffff;
  display: inline-block;
  margin: 18px 4px;
  padding: 18px 24px;
  position: relative;
  width: 260px;
  transition: all 0.2s ease-in-out;
  font-weight: bold;
  text-decoration: none;
}
.backnumber__list-item a:hover {
  transform: scale(1.1);
}
@media screen and (max-width: 900px) {
  .backnumber__list-item a {
    width: 220px;
  }
}
@media screen and (max-width: 768px) {
  .backnumber__list-item a {
    width: 300px;
    padding: 24px 40px;
  }
}