@charset "UTF-8";
@import url(https://fonts.googleapis.com/css?family=Nunito);
@import url(https://cdn.jsdelivr.net/npm/bootstrap-icons@1.8.0/font/bootstrap-icons.css);
@import url(https://fonts.googleapis.com/css?family=Open+Sans:400);

/* Fonts */
/* fontawesome */
body {
  display: none;
}

.bg-sub1 {
  background-color: #FFFFFF;
}

.bg-sub2 {
  background-color: #e4e4e4;
  color: #383838 !important;
}

.bg-sub3 {
  background-color: #383838;
}

.bg-key {
  /* background:linear-gradient(90deg, #f7c400 0%, #ed5f2f 28.57%, #e93b40 100%); */
background-color: #345093;

}

.bg-key.lesson-header {
background:linear-gradient(90deg, #f7c400 0%, #ed5f2f 28.57%, #e93b40 100%);


}

.bg-key2 {
  background-color: #ffc8b4;
}

.bg-key3 {
  background-color: #bde8f0;
}

/* Form Layout */
.login-wrapper {
  padding: 2.5rem 5rem;
  max-width: 1440px;
  margin: 0 auto;
}
@media screen and (max-width: 768px) {
  .login-wrapper {
    padding: 1.2rem 2rem;
  }
}

.login-header-container {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
}
@media screen and (max-width: 768px) {
  .login-header-container a {
    width: 47%;
    margin-bottom: 0.5rem;
  }
}
.login-header-container a i {
  margin-left: 5px;
}
@media screen and (max-width: 768px) {
  .login-header-container {
    margin-right: 0.5rem;
  }
}
.login-header-container a {
  color: #999999;
}
.login-header-container a:hover {
  color: #383838;
}
.login-header-container a {
  margin-right: 5rem;
}
@media screen and (max-width: 768px) {
  .login-header-container a {
    margin-right: 0;
  }
}
.login-header-container a:last-child {
  margin-right: 0;
}

.login-main-wrapper {
  margin: 2.5rem 0;
  padding: 4rem 6rem;
  background-color:  #ffffff;
  border-radius: 2rem;
}
@media screen and (max-width: 768px) {
  .login-main-wrapper {
    margin: 1.2rem 0;
    padding: 2rem;
    border-radius: 1rem;
  }
}
.login-main-wrapper .login-container {
  width: 100%;
  display: flex;
  justify-content: space-between;
}
@media screen and (max-width: 768px) {
  .login-main-wrapper .login-container {
    display: block;
  }
}
.login-main-wrapper .login-container .login-left-container {
  width: 50%;
}
@media screen and (max-width: 768px) {
  .login-main-wrapper .login-container .login-left-container {
    width: 100%;
    margin-bottom: 1rem;
  }
}
.login-main-wrapper .login-container .login-left-container .logo-container {
  margin-bottom: 3.6rem;
  font-size: 4rem;
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}
@media screen and (max-width: 768px) {
  .login-main-wrapper .login-container .login-left-container .logo-container {
    margin-bottom: 1.8rem;
    font-size: 2rem;
  }
}
.login-main-wrapper .login-container .login-left-container .catch-copy-container {
  margin-top: 12rem;
}
@media screen and (max-width: 768px) {
  .login-main-wrapper .login-container .login-left-container .catch-copy-container {
    margin-top: 4rem;
  }
}
.login-main-wrapper .login-container .login-left-container h1 {
  font-size: clamp(2.4rem, 3vw, 4.2rem);
  /* font-size: 4.2rem; */
  color: #737373;
  font-weight: bold;
  margin-bottom: 3.6rem;
  text-shadow: 1px 1px 2px #999999;
}
@media screen and (max-width: 768px) {
  .login-main-wrapper .login-container .login-left-container h1 {
    font-size: 2.4rem;
    margin-bottom: 1.6rem;
  }
}
.login-main-wrapper .login-container .login-left-container h2 {
  font-size: clamp(1.6rem, 2vw, 3rem);
  /* font-size: 3rem; */
  color: #737373;
  line-height: 1.5;
  text-shadow: 1px 1px 2px #999999;
}
@media screen and (max-width: 768px) {
  .login-main-wrapper .login-container .login-left-container h2 {
    /* font-size: 1.8rem; */
  }
}
.login-main-wrapper .login-container .login-right-container {
  width: 50%;
}
@media screen and (max-width: 768px) {
  .login-main-wrapper .login-container .login-right-container {
    width: 100%;
    margin-top: 3rem;
  }
}
.login-main-wrapper .login-container .login-right-container .form-wrapper {
  max-width: 60rem;
  padding: 8rem 6rem;
  margin-left: auto;
  background-color: #f9f9f9;
  border-radius: 1rem;
  margin-right: auto;
}
@media screen and (max-width: 768px) {
  .login-main-wrapper .login-container .login-right-container .form-wrapper {
    padding: 3rem 2rem;
  }
}
.login-main-wrapper .login-container .login-right-container .form-wrapper .form-item {
  margin-bottom: 4.8rem;
}
.login-main-wrapper .login-container .login-right-container .form-wrapper .form-item label {
  font-size: 1.6rem;
  color: #999999;
  margin-bottom: 1.4rem;
}
@media screen and (max-width: 768px) {
  .login-main-wrapper .login-container .login-right-container .form-wrapper .form-item label {
    margin-bottom: 0.8rem;
  }
}
.login-main-wrapper .login-container .login-right-container .form-wrapper .form-item input {
  background-color: #f7fcfd;
  width: 100%;
  height: 4.6rem;
  padding-left: 1rem;
  border-top: none;
  border-left: none;
  border-right: none;
  border-bottom: 1px solid #999999;
}
.login-main-wrapper .login-container .login-right-container .form-wrapper .check-container {
  display: flex;
  justify-content: center;
}
.login-main-wrapper .login-container .login-right-container .form-wrapper .button-panel {
  display: flex;
  justify-content: center;
  margin: 6.8rem auto 0;
}
.login-main-wrapper .login-container .login-right-container .form-wrapper .button-panel input {
  background:linear-gradient(90deg, #f7c400 0%, #ed5f2f 28.57%, #e93b40 100%);

;
  padding: 1.2rem 6rem;
  font-size: 2rem;
  color: #f9f9f9;
  font-weight: bold;
  border: none;
  border-radius: 0.5rem;
  text-shadow: 1px 1px 2px #999999;
}
@media screen and (max-width: 768px) {
  .login-main-wrapper .login-container .login-right-container .form-wrapper .button-panel input {
    padding: 0.8rem 6rem;
    font-size: 1.6rem;
  }
}

.login-footer-container .copy-light {
  margin-left: 2rem;
  text-align: left;
}
@media screen and (max-width: 768px) {
  .login-footer-container .copy-light {
    text-align: center;
  }
}
.login-footer-container .copy-light small {
  font-size: 1.4rem;
}
@media screen and (max-width: 768px) {
  .login-footer-container .copy-light small {
    font-size: 1.2rem;
    margin-left: 0.5rem;
  }
}

.soap_wrap {
  position: absolute;
  height: 260px;
  display: none;
  /*お好みで*/
}
.soap_wrap .soap {
  position: absolute;
  overflow: hidden;
  background: radial-gradient(at 46% 54%, transparent 50%, rgba(2, 172, 253, 0.3) 70%, transparent 100%) 50% 50% no-repeat;
  z-index: 1;
}
.soap_wrap .soap1 {
  -webkit-animation: soap 20s 0s ease-in-out infinite;
          animation: soap 20s 0s ease-in-out infinite;
  left: 36rem;
  /*お好みで*/
  top: -5%;
  /*お好みで*/
  width: 200px;
  /*お好みで*/
  height: 200px;
  /*お好みで*/
  border-radius: 50% 46% 48% 44%;
}
@media screen and (max-width: 768px) {
  .soap_wrap .soap1 {
    top: 0%;
    left: 18rem;
    width: 130px;
    height: 130px;
  }
}
.soap_wrap .soap1 .soap-img {
  position: relative;
  left: 2rem;
  top: 3rem;
  width: 150px;
  height: 150px;
  mix-blend-mode: darken;
  opacity: 0.7;
}
@media screen and (max-width: 768px) {
  .soap_wrap .soap1 .soap-img {
    width: 100px;
    height: 100px;
  }
}
.soap_wrap .soap2 {
  -webkit-animation: soap 14s 0s ease-in-out infinite;
          animation: soap 14s 0s ease-in-out infinite;
  left: 15rem;
  /*お好みで*/
  top: 0%;
  /*お好みで*/
  width: 120px;
  /*お好みで*/
  height: 120px;
  /*お好みで*/
  border-radius: 50% 46% 48% 44%;
}
@media screen and (max-width: 768px) {
  .soap_wrap .soap2 {
    left: 7rem;
    width: 90px;
    /*お好みで*/
    height: 90px;
  }
}
.soap_wrap .soap3 {
  -webkit-animation: soap 16s 0s ease-in-out infinite;
          animation: soap 16s 0s ease-in-out infinite;
  left: 3rem;
  /*お好みで*/
  top: 25%;
  /*お好みで*/
  width: 90px;
  /*お好みで*/
  height: 90px;
  /*お好みで*/
  border-radius: 50% 46% 48% 44%;
}
@media screen and (max-width: 768px) {
  .soap_wrap .soap3 {
    left: 0;
    top: 10%;
    width: 60px;
    /*お好みで*/
    height: 60px;
  }
}
.soap_wrap .soap4 {
  -webkit-animation: soap 10s 0s ease-in-out infinite;
          animation: soap 10s 0s ease-in-out infinite;
  left: 30rem;
  /*お好みで*/
  top: 40%;
  /*お好みで*/
  width: 40px;
  /*お好みで*/
  height: 40px;
  /*お好みで*/
  border-radius: 50% 46% 48% 44%;
}
@media screen and (max-width: 768px) {
  .soap_wrap .soap4 {
    left: 16rem;
    width: 40px;
    /*お好みで*/
    height: 40px;
  }
}

.soap::before {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -10%;
  width: 60%;
  height: 60%;
  border-radius: 60% 0;
  background: radial-gradient(at 0 0, rgba(0, 130, 255, 0.3) 40%, rgba(255, 154, 204, 0.7) 50%);
  transform-origin: 0 0;
  -webkit-animation: soap_rotate 15s 0s ease-in-out infinite;
          animation: soap_rotate 15s 0s ease-in-out infinite;
  filter: blur(15px);
}

.soap::after {
  content: "";
  position: absolute;
  left: -10%;
  top: -10%;
  width: 60%;
  height: 60%;
  border-radius: 20% 0;
  background: radial-gradient(at 100% 100%, rgba(255, 255, 100, 0.5) 40%, rgba(120, 255, 140, 0.7) 60%);
  transform-origin: 100% 100%;
  -webkit-animation: soap_rotate 8s 0s ease-in-out infinite;
          animation: soap_rotate 8s 0s ease-in-out infinite;
  filter: blur(15px);
}

@-webkit-keyframes soap_rotate {
  0% {
    transform: rotate(0);
  }
  50% {
    transform: rotate(160deg);
  }
}

@keyframes soap_rotate {
  0% {
    transform: rotate(0);
  }
  50% {
    transform: rotate(160deg);
  }
}
/*上下に移動 お好みで*/
@-webkit-keyframes soap {
  0% {
    opacity: 0;
    transform: translateY(100%);
  }
  20% {
    opacity: 0.8;
    -webkit-animation-delay: 0.8s;
            animation-delay: 0.8s;
    transform: translateY(0%);
  }
  40% {
    opacity: 1;
    transform: translateY(-20%);
  }
  60% {
    opacity: 1;
    transform: translateY(20%);
  }
  80% {
    opacity: 1;
    transform: translateY(-80%);
  }
  100% {
    opacity: 0.9;
    transform: translateY(-160%);
  }
}
@keyframes soap {
  0% {
    opacity: 0;
    transform: translateY(100%);
  }
  20% {
    opacity: 0.8;
    -webkit-animation-delay: 0.8s;
            animation-delay: 0.8s;
    transform: translateY(0%);
  }
  40% {
    opacity: 1;
    transform: translateY(-20%);
  }
  60% {
    opacity: 1;
    transform: translateY(20%);
  }
  80% {
    opacity: 1;
    transform: translateY(-80%);
  }
  100% {
    opacity: 0.9;
    transform: translateY(-160%);
  }
}
.delay-time04 {
  -webkit-animation-delay: 0.4s;
          animation-delay: 0.4s;
}

.delay-time06 {
  -webkit-animation-delay: 0.6s;
          animation-delay: 0.6s;
}

/* Simple Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  max-height: 100%;
  scroll-behavior: smooth;
}

body {
  width: 100%;
  max-height: 100%;
  font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", sans-serif;
  line-height: 1.5;
  letter-spacing: 0.04em;
  background: #FFFFFF;
  color: #383838;
  font-size: 14px;
}

a {
  text-decoration: none;
}

ul {
  padding: 0;
  margin: 0;
}

li {
  list-style-type: none;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  padding: 0;
  margin: 0;
}

h2 {
  font-size: 2.4rem;
  font-weight: bold;
}

h3 {
  font-size: 1.8rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

i {
  font-family: "Font Awesome 5 Free";
  font-weight: bold;
  margin: 0;
  padding: 0;
}

.flash-success {
  display: flex;
  color: #fbfbfb;
  font-size: 2rem;
  font-weight: bold;
  background-color: rgba(217, 203, 242, 0.8);
  padding: 1.5rem 0;
  justify-content: center;
  border-radius: 0.5rem;
  width: 90%;
  text-shadow: 1px 1px 3px rgba(56, 56, 56, 0.1);
}
@media screen and (max-width: 768px) {
  .flash-success {
    width: 100%;
    padding: 1rem;
    font-size: 1.6rem;
  }
}

.flash_error {
  display: flex;
  color: #fbfbfb;
  font-size: 2rem;
  font-weight: bold;
  background-color: rgba(249, 139, 139, 0.8);
  padding: 1.5rem 0 2rem;
  justify-content: center;
  align-items: center;
  border-radius: 0.5rem;
  text-shadow: 1px 1px 3px rgba(56, 56, 56, 0.1);
  width: 90%;
}
@media screen and (max-width: 768px) {
  .flash_error {
    width: 100%;
    padding: 1rem 0;
    font-size: 1.6rem;
  }
}

.home-btn {
  font-size: 1.6rem;
  border-radius: 0.5rem;
  color: #FFFFFF;
  padding: 1rem 1.5rem;
  background:linear-gradient(90deg, #f7c400 0%, #ed5f2f 28.57%, #e93b40 100%);


}

.error-container {
  background-color: #f9f9f9;
  border-radius: 0.5rem;
  padding: 2.5rem 2rem;
  box-shadow: 1px 1px 2px rgba(56, 56, 56, 0.1);
  margin-bottom: 30rem;
}
.error-container p {
  line-height: 1.5;
}
.error-container a:hover {
  opacity: 0.8;
  color: #f9f9f9;
}

.red {
  color: #CC0000;
}

.bold {
  font-weight: bold !important;
}

.center {
  text-align: center;
}

.icon {
  width: 100%;
  max-width: 10rem !important;
  height: 100%;
  max-height: 11rem !important;
}

.app-wrapper {
  display: flex;
  flex-direction: row-reverse;
}
@media screen and (max-width: 768px) {
  .app-wrapper {
    display: block;
  }
}

.main-wrapper {
  width: 75%;
}
@media screen and (max-width: 768px) {
  .main-wrapper {
    width: 95%;
    margin: 1.6rem auto 0;
  }
}

.sp-page {
  display: none;
}
@media screen and (max-width: 768px) {
  .sp-page {
    display: block;
  }
}

button {
  box-shadow: inset -1px -3px 10px rgba(56, 56, 56, 0.1);
}

button:hover {
  box-shadow: inset 2px 3px 10px rgba(56, 56, 56, 0.1);
}

header {
  position: relative;
  width: 100%;
}

.login-menu {
  background:linear-gradient(90deg, #f7c400 0%, #ed5f2f 28.57%, #e93b40 100%);

;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  margin-right: 5rem;
}
.login-menu a {
  color: #FFFFFF !important;
  font-weight: bold;
}

.login-menu:last-child {
  margin-right: 0;
}

.header_wave {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 22rem;
  background-color: #FFFFFF;
}
@media screen and (max-width: 768px) {
  .header_wave {
    display: none;
  }
}

.header-wrap {
  width: 100%;
}

.header-container {
  width: 100%;
  padding: 0 5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
@media screen and (max-width: 768px) {
  .header-container {
    display: block;
    padding: 0 1rem 1.5rem;
    width: 100%;
    margin: 0 auto;
  }
}
.header-container a {
  display: block;
}
.header-container .right-header {
  display: flex;
  align-items: center;
}
@media screen and (max-width: 768px) {
  .header-container .right-header {
    width: 65%;
  }
}
.header-container .course-container {
  width: 50%;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
@media screen and (max-width: 768px) {
  .header-container .course-container {
    width: auto;
    display: block;
  }
}

.header-inner-container {
  width: 100%;
}

.header-container .logo {
  font-size: 2rem;
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

.app-title {
  font-family: "Londrina Shadow", cursive;
  font-weight: 300;
  font-size: 4rem;
  text-align: left;
  padding-left: 3.5rem;
  color: #345093


;
}

.app-logo {
  width: 25rem;
  padding: 1.5rem 0.5rem;
}
@media screen and (max-width: 768px) {
  .app-logo {
    max-width: 15rem;
    width: 100%;
    padding: 1rem 0.5rem;
  }
}

.select-course {
  height: 100%;
  padding: 0;
  margin-right: 1.5rem;
}
@media screen and (max-width: 768px) {
  .select-course {
    margin-right: 0;
    width: 70%;
  }
}

.custom-select-trigger {
  width: 100%;
  position: relative;
  display: block;
  text-align: center;
  padding: 1.2rem 1rem;
  font-weight: 300;
  border-color: #e4e4e4;
  cursor: pointer;
  border-radius: 0.5rem;
}
@media screen and (max-width: 768px) {
  .custom-select-trigger {
    width: 90%;
    padding: 0.5rem 0.8rem;
    margin: 0 auto;
    font-size: 1.2rem;
    height: 3rem;
  }
}

.switch-btn {
  padding: 1rem 1.6rem;
  font-size: 1.2rem;
  border-radius: 0.5rem;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.15);
  font-weight: bold;
}
@media screen and (max-width: 768px) {
  .switch-btn {
    width: 25%;
    padding: 0.4rem 0.5rem;
    height: 3rem;
  }
}

.switch-btn:hover {
  background-color: #b8a9d3;
  mix-blend-mode: darken;
}

.header-list {
  position: absolute;
  z-index: 10;
  top: 30%;
  right: 0;
}
@media screen and (max-width: 768px) {
  .header-list {
    position: relative;
    top: 0;
    background:linear-gradient(90deg, #f7c400 0%, #ed5f2f 28.57%, #e93b40 100%);


  }
}
.header-list ul {
  display: flex;
  align-items: flex-end;
}
@media screen and (max-width: 768px) {
  .header-list ul {
    flex-wrap: wrap;
    padding: 0;
  }
}
.header-list li {
  margin-top: 2rem;
}
@media screen and (max-width: 768px) {
  .header-list li {
    margin-top: 0;
    padding: 0.5rem 0.6rem;
    width: 33.3333333333%;
  }
}
.header-course form {
  padding: 0;
}

.header-group {
  margin-right: 1.2rem;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.15);
  line-height: 1;
  transition: all 0.4s;
  border-radius: 5px;
}
@media screen and (max-width: 768px) {
  .header-group {
    margin-right: 0;
  }
}
.header-group:hover {
  background-color: #b8a9d3;
}
.header-group .header-link {
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1rem 1.2rem;
}
@media screen and (max-width: 768px) {
  .header-group .header-link {
    padding: 0.6rem 0.8rem;
  }
}
.header-group .header-link p {
  margin-top: 0.5rem;
  font-weight: bold;
  letter-spacing: 0.02em;
}
@media screen and (max-width: 768px) {
  .header-group .header-link p {
    font-size: 0.8rem;
    text-align: center;
    white-space: nowrap;
  }
}
.header-group.smartbrain {
  background-color: #ffbe47;
}
.header-group.smartbrain:hover {
  background-color: #e96f6f;
}

.header-group:last-child {
  margin-right: 5rem;
}
@media screen and (max-width: 768px) {
  .header-group:last-child {
    margin-right: 0rem;
  }
}

.header-group:hover i:hover {
  position: relative;
}

.part-border {
  border-right: 1px solid #345093


;
  height: 3rem;
  position: relative;
  top: 8.5rem;
  left: 30%;
}

.link-icon {
  position: relative;
  top: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
}
@media screen and (max-width: 768px) {
  .link-icon {
    height: 24px;
  }
}
.link-icon i {
  font-size: 2.4rem;
  font-style: normal;
}
@media screen and (max-width: 768px) {
  .link-icon i {
    font-size: 1.6rem;
  }
}

@media screen and (max-width: 768px) {
  .nav-link {
    width: 100% !important;
  }
}

.search-wrap {
  margin-left: 40%;
}

.search_container {
  background-color: #fff;
  position: relative;
  box-sizing: border-box;
  padding: 0.5rem 4rem 0.5rem 1rem;
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid #e4e4e4;
}

.search_container input[type=text] {
  border: none;
  height: 2em;
  width: 24rem;
}

.search_container input[type=text]:focus {
  outline: 0;
}

.search_container input[type=submit] {
  cursor: pointer;
  font-family: FontAwesome;
  border: none;
  background: #345093


;
  color: #fff;
  position: absolute;
  width: 4.2rem;
  height: 100%;
  right: 0;
  top: 0;
  outline: none;
}

.sidebar {
  width: 25%;
  padding-right: 5rem;
  margin-top: 5rem;
}
@media screen and (max-width: 768px) {
  .sidebar {
    padding: 1.5rem 0;
    width: 100%;
    padding: 0;
    margin-top: 2rem;
  }
}

.side-container {
  position: sticky;
  position: -webkit-sticky;
  top: 2rem;
  right: 0;
  z-index: 5;
}
@media screen and (max-width: 768px) {
  .side-container {
    position: static;
    padding: 0 1rem;
  }
}

.caption-container {
  position: sticky;
  position: -webkit-sticky;
  top: 28rem;
  right: 0;
  margin-bottom: 0;
  z-index: 1;
  margin-top: 3rem;
}
@media screen and (max-width: 768px) {
  .caption-container {
    position: static;
    margin-top: 1.6rem;
    padding: 0 1rem;
  }
}

.animal-img {
  position: sticky;
  position: -webkit-sticky;
  top: 4rem;
  width: 100%;
}
@media screen and (max-width: 768px) {
  .animal-img {
    width: 90%;
    margin: 0 auto;
    justify-content: center;
  }
}
.animal-img .animal-img-container {
  width: 60%;
  margin: 0 auto 3rem;
}
@media screen and (max-width: 768px) {
  .animal-img .animal-img-container {
    width: 40%;
    margin: 0 auto;
  }
}
.animal-img .animal-img-container img {
  width: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  mix-blend-mode: darken;
  filter: drop-shadow(0.5rem 0.1rem 0.2rem rgba(153, 153, 153, 0.6));
}
@media screen and (max-width: 768px) {
  .animal-img .animal-img-container img {
    width: 100%;
    position: relative;
    -o-object-fit: scale-down;
       object-fit: scale-down;
  }
}
.animal-img .balloon3-right-btm {
  width: 50%;
  position: relative;
  top: -3rem;
  display: flex;
  align-items: center;
  max-width: 16rem;
  max-height: 16rem;
  padding: 2.4rem 0.5rem;
  text-align: center;
  font-weight: bold;
  color: #383838;
  text-shadow: 1px 1px 0 #f9f9f9;
  background: #e4deee;
  border-radius: 50%;
  box-sizing: border-box;
  white-space: pre-line;
  word-wrap: break-word;
}
@media screen and (max-width: 768px) {
  .animal-img .balloon3-right-btm {
    width: 12rem;
    height: 12rem;
    left: 0%;
  }
}
.animal-img .balloon3-right-btm p {
  padding: 0 0.5rem;
  font-size: 1.4rem;
  font-weight: bold;
  margin: auto 0;
}
@media screen and (max-width: 768px) {
  .animal-img .balloon3-right-btm p {
    padding: 0rem 0.5rem;
    font-size: 1.2rem;
  }
}
.animal-img .balloon3-right-btm:before {
  content: "";
  position: absolute;
  bottom: 1rem;
  left: 0.8rem;
  margin-top: -15px;
  border: 15px solid transparent;
  border-left: 15px solid #e4deee;
  z-index: -1;
  transform: rotate(30deg);
}

.side-menu {
  background-color: #f9f9f9;
  box-shadow: 1px 1px 3px rgba(56, 56, 56, 0.2);
  padding: 2rem;
  border-radius: 0.5rem;
}
@media screen and (max-width: 768px) {
  .side-menu {
    padding: 1.6rem;
  }
}

.dropdown-menu {
  min-height: 15rem;
}

.side-navi {
  width: 100%;
  margin-top: 0 !important;
}
.side-navi li:first-child {
  display: block;
  width: 100%;
}
.side-navi li {
  padding-left: 1rem;
  margin-bottom: 1.6rem;
}
@media screen and (max-width: 768px) {
  .side-navi li {
    padding-left: 0;
    margin-bottom: 0.8rem !important;
    width: 49%;
    display: inline-block;
  }
}
.side-navi li p {
  color: #383838;
  font-size: 2.4rem;
  font-weight: bold;
}
@media screen and (max-width: 768px) {
  .side-navi li p {
    font-size: 1.6rem;
    text-align: center;
  }
}
.side-navi li p span {
  margin-left: 0.6rem;
  font-size: 1.6rem;
}
.side-navi li a {
  font-size: 1.6rem;
  color: #383838;
  border-radius: 0.3rem;
  white-space: inherit;
}
@media screen and (max-width: 768px) {
  .side-navi li a {
    display: block;
    text-align: center;
    font-size: 1.2rem;
  }
}
.side-navi li a:hover {
  box-shadow: 0px 0px 8px 3px #e4e4e4 inset;
}
.side-navi li:last-child {
  margin-bottom: 0 !important;
}

.caption-navi {
  width: 100%;
  margin-top: 0 !important;
}
.caption-navi .caption-li {
  box-sizing: border-box;
  margin-bottom: 1.5rem;
}
@media screen and (max-width: 768px) {
  .caption-navi .caption-li {
    margin-bottom: 0.5rem;
  }
}
.caption-navi .caption-li .caption_h2 {
  font-size: 1.6rem;
  font-weight: bold;
  color: #1a73e8;
}
@media screen and (max-width: 768px) {
  .caption-navi .caption-li .caption_h2 {
    font-size: 1.4rem;
  }
}
.caption-navi .caption-li .caption_h3 {
  padding-left: 0.5rem;
  font-size: 1.4rem;
  font-weight: 200;
  color: #1a73e8;
}
@media screen and (max-width: 768px) {
  .caption-navi .caption-li .caption_h3 {
    font-size: 1.2rem;
    padding-left: 0;
  }
}
.caption-navi .caption-li a {
  font-size: 1.8rem;
  color: #383838;
}
@media screen and (max-width: 768px) {
  .caption-navi .caption-li a {
    display: block;
    font-size: 1.2rem;
  }
}

.menu-position {
  left: 0;
  right: auto;
}
.menu-position::before {
  right: auto !important;
  left: 9px;
}
.menu-position::after {
  right: auto !important;
  left: 10px;
}
.menu-position li {
  padding-left: 0;
  text-align: center;
}

.caption-title {
  text-align: center;
  background-color: rgba(153, 153, 153, 0.1);
  font-size: 2rem;
  font-weight: bold;
  padding: 1rem;
  border-radius: 0.5rem;
  margin-bottom: 3rem;
}
@media screen and (max-width: 768px) {
  .caption-title {
    font-size: 1.6rem;
    padding: 0.6rem;
    margin-bottom: 1.6rem;
  }
}

.progress {
  width: 80%;
  height: 2rem;
}

.search-container {
  padding: 3.6rem 2rem;
  box-shadow: 0 0 0.6rem #e4e4e4;
}
.search-container h2 {
  font-size: 2.4rem;
  text-align: center;
  margin-bottom: 2.4rem;
  letter-spacing: 1px;
}
.search-container h2 span {
  padding-bottom: 0.2rem;
  background: linear-gradient(transparent 60%, #ffc8b4 0%);
}
.search-container li {
  margin-bottom: 1.6rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid #e4e4e4;
}
.search-container li a {
  padding-left: 0.6rem;
  font-size: 1.8rem;
}

.mypage-container {
  border-radius: 5px;
  min-height: 55rem;
}
@media screen and (max-width: 768px) {
  .mypage-container {
    padding: 1rem 0.25rem 2rem;
    margin-bottom: 10rem;
    min-height: 45rem;
  }
}

div.business-card {
  width: 320px;
  margin-left: -16rem;
  position: absolute;
  top: 40rem;
  left: 50%;
}
div.business-card:hover .flipper, div.business-card.hover .flipper {
  transform: rotateY(180deg) rotateZ(90deg);
}
@media screen and (max-width: 768px) {
  div.business-card {
    top: 20rem;
  }
}

div.flipper {
  transition: 0.6s;
  transform-style: preserve-3d;
  position: relative;
  transform-origin: center 16rem;
}

div.front,
div.back {
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  height: 427px;
  width: 320px;
  box-shadow: 0 0 2rem rgba(153, 153, 153, 0.4);
}
@media screen and (max-width: 768px) {
  div.front,
div.back {
    top: 8rem;
  }
}

div.front {
  background-color: white;
  z-index: 0;
}
div.front:before, div.front:after {
  display: block;
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  border-width: 16rem;
  border-style: solid;
  border-color: transparent;
}
div.front:before {
  border-top-color: #345093


;
  border-left-color: #345093


;
  z-index: 2;
}
div.front:after {
  border-top-color: #e4deee;
  border-right-color: #e4deee;
}
div.front div.name {
  position: absolute;
  bottom: 1.6rem;
  left: 30%;
}
div.front div.name span {
  display: block;
  font-size: 40px;
  line-height: 45px;
}
div.front div.name span.first {
  color: #e4deee;
}
div.front div.name span.last {
  color: #345093


;
}
div.front div.name span.title {
  font-size: 20px;
  line-height: 20px;
}

div.back {
  background:linear-gradient(90deg, #f7c400 0%, #ed5f2f 28.57%, #e93b40 100%);

;
  color: white;
  width: 427px;
  height: 320px;
  box-sizing: border-box;
  transform: rotateY(180deg) rotateZ(90deg);
}
div.back div.container-sm {
  float: left;
  width: 40%;
  height: 100%;
  position: relative;
}
div.back div.container-lg {
  float: left;
  width: 60%;
  margin-top: 17%;
}
div.back figure.logo-white {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120px;
  height: 120px;
  display: block;
  margin: -60px -60px;
}
div.back figure.logo-white:before, div.back figure.logo-white:after {
  display: block;
  content: "";
  position: absolute;
  border-style: solid;
  border-color: transparent;
}
div.back figure.logo-white:before {
  top: 0;
  left: 0;
  border-width: 60px;
  border-top-color: white;
  border-left-color: white;
  z-index: 2;
}
div.back figure.logo-white:after {
  bottom: 0;
  right: 0;
  border-width: 56px;
  border-right-color: white;
}
div.back a {
  color: white;
  text-decoration: none;
  display: block;
}
div.back a:hover {
  text-decoration: underline;
}
div.back .social {
  margin-left: 1.5rem;
  font-size: 1.25rem;
  font-weight: bold;
}
div.back .social li {
  margin-top: 1rem;
}
div.back .social li:first-child {
  margin-top: 2rem;
}

.list-container {
  justify-content: center;
  width: 100%;
  margin: 0;
}
.lesson-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
@media screen and (max-width: 768px) {
  .lesson-wrap {
    display: block;
  }
}

.lesson-container {
  box-shadow: 0 1px 5px rgba(56, 56, 56, 0.15);
  border-radius: 1rem;
  width: calc(50% - 2rem);
  max-height: 44rem;
  margin: 3rem 4rem 6rem 0;
  background-color: #fbfbfb;
  box-sizing: border-box;
}
@media screen and (max-width: 768px) {
  .lesson-container {
    width: 100%;
    margin: 3rem 4rem 3rem 0;
  }
}
.lesson-container .lesson-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #FFFFFF;
  border-radius: 1rem 1rem 0 0;
  padding: 1rem 2rem;
  box-shadow: 0 2px 3px rgba(56, 56, 56, 0.1);
}
@media screen and (max-width: 768px) {
  .lesson-container .lesson-header {
    padding: 0.5rem 2rem;
  }
}
.lesson-container .lesson-header h2 {
  font-size: clamp(1.6rem, 1.6vw, 2rem);
  margin-bottom: 1rem;
}
.lesson-container .lesson-header .hour {
  font-size: clamp(1.6rem, 1.6vw, 2.2rem);
  color: #f9f9f9;
  font-weight: bold;
  text-shadow: 1px 1px 0 #999999;
}
@media screen and (max-width: 768px) {
  .lesson-container .lesson-header .hour {
    margin: auto 0;
  }
}

.lesson-container:nth-child(2n) {
  margin-right: 0;
}

.lesson-list {
  width: 100%;
  max-height: 34rem;
  overflow: scroll;
  padding: 2rem 2rem 0;
  box-sizing: border-box;
  border-radius: 0 0 1rem 1rem;
}
@media screen and (max-width: 768px) {
  .lesson-list {
    padding: 0.8rem 0.8rem 0;
  }
}
.lesson-list h3 {
  margin: 1rem 0 0;
  font-size: clamp(18px, 1.5vw, 2.3rem);
  font-weight: bold;
  color: #383838;
  text-align: center;
  text-shadow: 2px 2px 0 rgba(153, 153, 153, 0.5);
}
@media screen and (max-width: 768px) {
  .lesson-list h3 {
    font-size: 1.8rem;
  }
}
.lesson-list .progress-container {
  display: flex;
  align-items: flex-start;
  width: 100%;
  margin-top: 4rem;
  margin-bottom: 2rem;
}
@media screen and (max-width: 768px) {
  .lesson-list .progress-container {
    margin-top: 2rem;
  }
}
.lesson-list .progress-container .circle-container {
  width: 45%;
}
@media screen and (max-width: 768px) {
  .lesson-list .progress-container .circle-container {
    width: 36%;
  }
}
.lesson-list .progress-container .circle-container .progress-circle {
  background-color: #f9f9f9;
  width: clamp(10rem, 10vw, 14rem);
  height: clamp(10rem, 10vw, 14rem);
  margin: 0 auto;
  border-radius: 50%;
  border: 1px solid #e4e4e4;
  position: relative;
}
@media screen and (max-width: 768px) {
  .lesson-list .progress-container .circle-container .progress-circle {
    width: 10rem;
    height: 10rem;
  }
}

.progress-group {
  width: 55%;
  display: flex;
  flex-direction: column;
}
@media screen and (max-width: 768px) {
  .progress-group {
    width: 60%;
  }
}
.progress-group .progress-heading {
  text-align: center;
  font-size: 1.6rem;
  margin: 0 auto 2rem;
  padding: 0.5rem 3rem;
  border-radius: 0.5rem;
  background-color: #fbfbfb;
  border: 1px solid #e4e4e4;
}
@media screen and (max-width: 768px) {
  .progress-group .progress-heading {
    font-size: 1.2rem;
    padding: 0.5rem 1.5rem;
  }
}

.lesson-lead {
  display: block;
  align-items: center;
  padding-bottom: 0.8rem;
}
.lesson-lead .lesson-label {
  width: 100%;
  justify-content: space-between;
  display: flex;
  font-size: 1.2rem;
  align-items: center;
  color: #383838;
}
.lesson-lead .lesson-label span {
  white-space: nowrap;
  overflow-x: scroll;
  color: #1a73e8;
}
.lesson-lead .lesson-label span:hover {
  opacity: 0.7;
}
.lesson-lead .lesson-lead:last-child {
  padding-bottom: 0;
}

.ribbon {
  display: inline-block;
  position: relative;
  top: 0.5rem;
  left: -4rem;
  padding: 1.5rem 3rem 1.5rem 2rem;
  color: #fff;
  text-shadow: 0px 0px 3px rgba(56, 56, 56, 0.1);
  background: #ffbe47;
  box-shadow: 2px 2px 2px rgba(56, 56, 56, 0.2);
}
@media screen and (max-width: 768px) {
  .ribbon {
    padding: 1rem 1.5rem;
  }
}

.ribbon:before {
  position: absolute;
  content: "";
  top: 100%;
  left: 0;
  border: none;
  border-bottom: solid 15px transparent;
  border-right: solid 20px #c1a097;
  /*折り返し部分*/
}

.key {
  background:linear-gradient(90deg, #f7c400 0%, #ed5f2f 28.57%, #e93b40 100%);

;
  opacity: 0.3;
}

.clear-container {
  margin-left: 1.5rem;
  white-space: nowrap;
  text-align: right;
}

.clear {
  color: #ffbe47;
}

.circle-content1 {
  position: relative;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.circle-content1 .content2 {
  font-size: clamp(14px, 2vw, 3rem);
}
@media screen and (max-width: 768px) {
  .circle-content1 .content2 {
    font-size: 2rem;
  }
}
.circle-content1 .slash {
  font-size: clamp(18px, 2.5vw, 4rem);
  vertical-align: sub;
}
@media screen and (max-width: 768px) {
  .circle-content1 .slash {
    font-size: 3rem;
  }
}

#exampleModal {
  white-space: pre-wrap;
}

.modal-container {
  font-size: 1.6rem !important;
}
.modal-container .confirm-btn {
  font-size: 1.6rem !important;
}
.modal-container p {
  font-size: 1.6rem;
}

@media screen and (max-width: 768px) {
  .modal-header h4 {
    font-size: 1.6rem;
  }
}

.contact-title {
  margin: 3rem auto;
  background-color: #f9f9f9;
  border-radius: 5px;
  box-shadow: 0 0.2rem 0.4rem rgba(153, 153, 153, 0.3);
  padding: 3rem 0;
  width: 80%;
}
@media screen and (max-width: 768px) {
  .contact-title {
    margin: 1.5rem auto;
    padding: 1.5rem 0;
    width: 100%;
  }
}
.contact-title h2 {
  font-size: 3rem;
  text-align: center;
  letter-spacing: 0.08em;
}
@media screen and (max-width: 768px) {
  .contact-title h2 {
    font-size: 2.4rem;
  }
}
.contact-title .notes {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem 5% 0;
}
@media screen and (max-width: 768px) {
  .contact-title .notes {
    margin-top: 1rem;
    margin-bottom: 1.2rem;
  }
}
.contact-title .notes p {
  font-weight: normal;
  font-size: 1.6rem;
  line-height: 1.75;
}
@media screen and (max-width: 768px) {
  .contact-title .notes p {
    font-size: 1.2rem;
  }
}

.contact-contents {
  display: flex;
  margin-top: 5rem;
  justify-content: space-between;
  height: 20rem;
}
@media screen and (max-width: 768px) {
  .contact-contents {
    display: block;
    height: 40rem;
  }
}

.report-group {
  width: calc(50% - 3rem);
  /*== ボタン共通設定 */
  /*ボタン内spanの形状*/
  /*== 背景が流れる（中央から縦全体） */
  /*hoverした際の形状*/
}
@media screen and (max-width: 768px) {
  .report-group {
    width: 100%;
    margin-bottom: 2rem;
  }
}
.report-group .btn {
  /*アニメーションの起点とするためrelativeを指定*/
  position: relative;
  overflow: hidden;
  /*ボタンの形状*/
  text-decoration: none;
  display: inline-block;
  border: 1px solid #e4e4e4;
  border-radius: 0.5rem;
  box-shadow: 0 2px 0.4rem rgba(153, 153, 153, 0.3);
  padding: 2rem 0;
  text-align: center;
  outline: none;
  /*アニメーションの指定*/
  transition: ease 0.2s;
}
.report-group .btn span {
  position: relative;
  z-index: 3;
  font-size: 1.8rem;
  font-weight: bold;
  line-height: 1.75;
  color: #383838;
}
.report-group .btn:hover span {
  color: #fff;
}
.report-group .bgcentery {
  width: 100%;
  background: #fbfbfb;
}
.report-group .bgcentery:before {
  content: "";
  /*絶対配置で位置を指定*/
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  /*色や形状*/
  background: #345093


;
  width: 100%;
  height: 100%;
  /*アニメーション*/
  transition: transform 0.3s cubic-bezier(0.8, 0, 0.2, 1) 0s;
  transform: scale(1, 0);
  transform-origin: center;
}
.report-group .bgcentery:hover:before {
  transform: scale(1, 1);
}

.form-heading {
  font-size: 1.6rem;
  margin-left: auto;
  margin-right: auto;
  width: 80%;
}
@media screen and (max-width: 768px) {
  .form-heading {
    width: 100%;
    font-size: 1.4rem;
  }
}
.form-heading label {
  margin-bottom: 1rem;
}
.form-heading input {
  padding: 1rem;
  font-size: 1.6rem;
}
@media screen and (max-width: 768px) {
  .form-heading input {
    font-size: 1.4rem;
  }
}
.form-heading select {
  padding: 1rem;
  font-size: 1.6rem;
}
@media screen and (max-width: 768px) {
  .form-heading select {
    font-size: 1.4rem;
  }
}
.form-heading textarea {
  padding: 1rem;
  font-size: 1.6rem;
}
@media screen and (max-width: 768px) {
  .form-heading textarea {
    font-size: 1.4rem;
  }
}

.form-btn {
  color: #f9f9f9;
  margin: 3rem auto 0;
  font-weight: bold;
  display: inline-block;
  padding: 1.2rem 4rem;
  font-size: 1.4rem;
  border: none;
  border-radius: 5px;
}
@media screen and (max-width: 768px) {
  .form-btn {
    font-size: 1.2rem;
    padding: 1.2rem 3rem;
    margin: 0 auto 2.4rem;
  }
}
.form-btn:hover {
  opacity: 0.9;
  color: #f9f9f9;
}

/* メッセージ機能用CSS */
.kaiwa.imessage {
  width: 100%;
  margin: 0 auto;
  padding: 3rem 0;
  border: 1px #ddd solid;
  background: white;
  font-size: 16px;
  color: #383838;
  line-height: 1.4;
  overflow: hidden;
}

/*フキダシ共通*/
.kaiwa.imessage .fukidasi {
  position: relative;
  display: inline-block;
  max-width: 45%;
  margin: 1px 10px 6px;
  padding: 9px 14px;
  border-radius: 19px;
  overflow-wrap: break-word;
  clear: both;
  box-sizing: content-box;
  /*はてな用*/
}

/*しっぽをつけないとき*/
.kaiwa.imessage .fukidasi.notail {
  margin-bottom: 0;
}

/*フキダシ左*/
.kaiwa.imessage .fukidasi.left {
  float: left;
  background: #e9e9ed;
}

/*フキダシ右*/
.kaiwa.imessage .fukidasi.right {
  float: right;
  background: #2793fa;
  color: white;
}

/*しっぽ共通*/
.kaiwa.imessage .fukidasi::after {
  position: absolute;
  content: "";
  width: 1.7rem;
  height: 1.7rem;
  bottom: 0;
}

/*しっぽ左*/
.kaiwa.imessage .fukidasi.left::after {
  left: -6px;
  border-radius: 0px 0 17px 0px/0px 0 13px 0;
  box-shadow: -14px 2px 0 -3px #e9e9ed inset;
}

/*しっぽ右*/
.kaiwa.imessage .fukidasi.right::after {
  right: -6px;
  border-radius: 0px 0 0 17px/0px 0 0 13px;
  box-shadow: 14px 2px 0 -3px #2793fa inset;
}

/*しっぽをつけないとき*/
.kaiwa.imessage .fukidasi.notail::after {
  content: none;
}

.click-none {
  pointer-events: none;
}

/* 日曜日：赤 */
.flatpickr-calendar .flatpickr-innerContainer .flatpickr-weekdays .flatpickr-weekday:nth-child(7n+1),
.flatpickr-calendar .flatpickr-innerContainer .flatpickr-days .flatpickr-day:not(.flatpickr-disabled):not(.prevMonthDay):not(.nextMonthDay):nth-child(7n+1) {
  color: red;
}

/* 土曜日：青 */
.flatpickr-calendar .flatpickr-innerContainer .flatpickr-weekdays .flatpickr-weekday:nth-child(7),
.flatpickr-calendar .flatpickr-innerContainer .flatpickr-days .flatpickr-day:not(.flatpickr-disabled):not(.prevMonthDay):not(.nextMonthDay):nth-child(7n) {
  color: blue;
}

.flatpickr-current-month {
  display: flex;
  justify-content: center;
}

.cur-year {
  order: 1;
}

.cur-month:before {
  content: "年　";
}

.cur-month {
  order: 2;
}

.flatpickr-current-month span.cur-month {
  font-weight: 300;
  padding-top: 4px;
}

.preferred-group {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 1rem;
}
.preferred-group input {
  padding: 1rem;
  width: 80%;
}
.preferred-group span {
  padding: 1.4rem;
  width: 20%;
}
.preferred-group span i {
  font-size: 1.5rem;
  margin-left: auto;
  margin-right: auto;
}

.confirm-button {
  width: 75%;
  margin: 0 auto;
  padding: 1.5rem 2rem;
}

.register__body .form-group {
  margin-bottom: 2rem;
}

.registerBtn {
  display: flex;
  justify-content: center;
}

#date-questions,
#detail-questions,
#detail-modals,
#date-modals {
  display: none;
}

.date-message,
.detail-message {
  width: 80%;
  margin: 3rem auto;
}
.date-message p,
.detail-message p {
  font-size: 1.6rem;
  margin-bottom: 0.6rem;
}

.ranking .ranking__list {
  margin: 0 auto;
  width: 80%;
  padding: 2rem 3.5%;
  border-radius: 5px;
  box-shadow: 0 0.2rem 0.4rem rgba(153, 153, 153, 0.3);
  background-color: #f9f9f9;
}
@media screen and (max-width: 768px) {
  .ranking .ranking__list {
    width: 100%;
  }
}
.ranking .ranking__list .ranking__item {
  width: 100%;
  padding: 3rem 4rem 0;
}
@media screen and (max-width: 768px) {
  .ranking .ranking__list .ranking__item {
    padding: 2rem 1rem 2rem;
    border-bottom: 1px dotted #999999;
  }
}
.ranking .ranking__list .ranking__item .ranking__rank {
  width: 100%;
  display: flex;
  justify-content: space-between;
}
@media screen and (max-width: 768px) {
  .ranking .ranking__list .ranking__item .ranking__rank {
    flex-wrap: wrap;
  }
}
.ranking .ranking__list .ranking__item .ranking__rank span i {
  margin-right: 0.8rem;
}
.ranking .ranking__list .ranking__item .ranking__rank span:first-child {
  width: 10%;
  text-align: end;
  margin-right: 1.5rem;
}
@media screen and (max-width: 768px) {
  .ranking .ranking__list .ranking__item .ranking__rank span:first-child {
    width: 20%;
  }
}
.ranking .ranking__list .ranking__item .ranking__rank span:nth-child(2) {
  width: 20%;
}
@media screen and (max-width: 768px) {
  .ranking .ranking__list .ranking__item .ranking__rank span:nth-child(2) {
    width: 35%;
    text-align: center;
  }
}
.ranking .ranking__list .ranking__item .ranking__rank span:nth-child(3) {
  width: 25%;
}
@media screen and (max-width: 768px) {
  .ranking .ranking__list .ranking__item .ranking__rank span:nth-child(3) {
    width: 40%;
    text-align: center;
  }
}
.ranking .ranking__list .ranking__item .ranking__rank span:last-child {
  width: 45%;
}
@media screen and (max-width: 768px) {
  .ranking .ranking__list .ranking__item .ranking__rank span:last-child {
    width: 100%;
    display: block;
    margin-top: 0.5rem;
    text-align: center;
  }
}
.ranking .ranking__list .ranking__item .ranking__rank.rank_1 {
  font-weight: bold;
}
.ranking .ranking__list .ranking__item .ranking__rank.rank_1 i {
  color: #e3e72f;
}
.ranking .ranking__list .ranking__item .ranking__rank.rank_2 {
  font-weight: bold;
}
.ranking .ranking__list .ranking__item .ranking__rank.rank_2 i {
  color: #d9d9d9;
}
.ranking .ranking__list .ranking__item .ranking__rank.rank_3 {
  font-weight: bold;
}
.ranking .ranking__list .ranking__item .ranking__rank.rank_3 i {
  color: #d18a1f;
}
.ranking .ranking__list .ranking__item:last-child {
  padding: 3rem 4rem;
}
@media screen and (max-width: 768px) {
  .ranking .ranking__list .ranking__item:last-child {
    padding: 2rem 1rem 0;
    border-bottom: none;
  }
}

.posts-wrapper {
  max-width: 1080px;
  margin-top: 3rem;
  width: 100%;
  padding: 0 5rem;
}
@media screen and (max-width: 768px) {
  .posts-wrapper {
    padding: 0;
    margin-top: 0rem;
  }
}

.posts-title {
  text-align: center;
  padding-bottom: 20px;
  border-bottom: 1px solid #e4e4e4;
  font-weight: bold;
}
.posts-title .lesson-name {
  font-size: 2.8rem !important;
  margin-bottom: 0.5rem;
}
@media screen and (max-width: 768px) {
  .posts-title .lesson-name {
    font-size: 1.6rem !important;
    display: block;
  }
}
.posts-title h1 {
  font-size: 2.8rem;
}
@media screen and (max-width: 768px) {
  .posts-title h1 {
    font-size: 1.6rem;
  }
}

.posts-container {
  line-height: 1.8 !important;
  padding: 0 2.5rem;
}
@media screen and (max-width: 768px) {
  .posts-container {
    padding: 0;
  }
}
.posts-container h2 {
  position: relative;
  margin-top: 5rem;
  margin-bottom: 2.5rem;
  color: #f9f9f9;
  background:linear-gradient(90deg, #f7c400 0%, #ed5f2f 28.57%, #e93b40 100%);

;
  border-radius: 3px;
  padding: 1.5rem 0 1.5rem 6rem;
  box-sizing: border-box;
  font-size: 2.5rem;
  box-shadow: 1px 1px 4px rgba(228, 228, 228, 0.3);
  margin-bottom: 1rem;
  text-shadow: 1px 1px 2px #999999;
}
@media screen and (max-width: 768px) {
  .posts-container h2 {
    font-size: 1.6rem;
    margin-top: 1.6rem;
    padding: 1rem 0 1rem 1.5rem;
  }
}
.posts-container h2:before {
  font-family: "Font Awesome 5 Free";
  content: "\f14a";
  font-weight: 900;
  position: absolute;
  left: 3%;
}
@media screen and (max-width: 768px) {
  .posts-container h2:before {
    position: relative;
    left: 0;
    margin-right: 1rem;
  }
}
.posts-container h3 {
  padding: 1.2rem 0.5em;
  margin-top: 6.5rem;
  margin-bottom: 3rem;
  font-size: 2rem;
  border-left: solid 0.8rem #bde8f0;
  background-color: #f9f9f9;
  /*左線*/
}
@media screen and (max-width: 768px) {
  .posts-container h3 {
    padding: 1rem;
    margin-top: 2.4rem;
    font-size: 1.6rem;
  }
}
.posts-container h4 {
  font-size: 2rem;
  font-weight: bold;
  margin: 1rem 0 1rem 0.8rem;
}
@media screen and (max-width: 768px) {
  .posts-container h4 {
    font-size: 1.6rem;
  }
}
.posts-container h5 {
  font-size: 2rem;
  font-weight: normal;
  margin: 0.5rem 0 0.5rem 0.8rem;
}
@media screen and (max-width: 768px) {
  .posts-container h5 {
    font-size: 1.6rem;
  }
}
.posts-container p {
  font-size: 1.6rem !important;
  margin: 0 0 0 0.8rem;
  padding: 0;
  font-family: "游ゴシック体" !important;
  color: #383838 !important;
  line-height: 1.8 !important;
}z
@media screen and (max-width: 768px) {
  .posts-container p {
    font-size: 1.2rem !important;
  }
}
.posts-container span {
  font-family: "游ゴシック体" !important;
  margin: initial !important;
  font-size: 1.6rem !important;
  font-weight: initial;
}
@media screen and (max-width: 768px) {
  .posts-container span {
    font-size: 1.4rem !important;
  }
}
.posts-container img {
  display: block;
  max-width: 100%;
  width: 75%;
  height: 100%;
  text-align: center;
  margin: 4rem auto 3rem;
  -o-object-fit: cover;
     object-fit: cover;
}
@media screen and (max-width: 768px) {
  .posts-container img {
    width: 100%;
    margin: 1.6rem 0;
  }
}

.posts-article {
  box-sizing: border-box;
}

.posts-content {
  margin: 5rem 0;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
}
@media screen and (max-width: 768px) {
  .posts-content {
    margin: 1.2rem 0 0;
    padding: 0;
  }
}

.posts-content h3 {
  margin-bottom: 2.5rem;
}

.posts-content h5 {
  margin-bottom: 1.5rem;
}

.chapterBtn {
  color: #fbfbfb;
  border: none;
  font-weight: bold;
  font-size: 1.6rem;
  padding: 1rem 2.5rem;
}
@media screen and (max-width: 768px) {
  .chapterBtn {
    left: 0;
    display: flex;
    padding: 0.6rem 1.6rem;
  }
}

.chapterBtn:hover {
  opacity: 0.7;
  color: #f9f9f9;
}

.nextBtn {
  color: #fbfbfb;
  border: none;
  font-weight: bold;
  font-size: 1.6rem;
  padding: 1rem 2.5rem;
  margin-top: 5rem;
}
@media screen and (max-width: 768px) {
  .nextBtn {
    font-size: 1.25rem;
    margin: 2.4rem 0;
    padding: 0.8rem 1.6rem;
  }
}

.nextBtn:hover {
  color: #fbfbfb;
  opacity: 0.7;
}

.chapter-container {
  overflow-wrap: break-word;
  white-space: wrap;
}
.chapter-container .link_wrap p {
  display: inline;
}
.chapter-container .link_wrap a {
  font-size: 1.6rem;
  color: #1a73e8;
}
.chapter-container .link_wrap a:hover {
  color: #1a73e8;
  opacity: 0.8;
}

.code {
  font-size: 1.4rem !important;
  line-height: 1.25;
  color: #e1e4e8;
  background-color: #24292e;
  margin: 0 0 0 0.8rem;
  white-space: pre-wrap;
}
.code div {
  font-size: 1.4rem !important;
  line-height: 1.25;
}
.code span {
  font-size: 1.4rem !important;
  line-height: 1.25;
}
.code p {
  font-size: 1.4rem !important;
  color: #e1e4e8 !important;
  line-height: 1;
}

table {
  border-collapse: collapse;
  margin: 3rem auto 2rem;
  padding: 0;
  width: 65rem;
  box-shadow: 0 0 15px -6px #00000073;
}
@media screen and (max-width: 768px) {
  table {
    width: 100%;
  }
}

table tr {
  background-color: #fff;
}

table tbody tr:hover {
  background-color: #fffae9;
}

table th,
table td {
  padding: 0.35em 1em;
  border-bottom: 1px solid #eee;
}

table thead th {
  padding: 1em;
}

table thead th:first-child {
  width: 30%;
}

table thead th:last-child {
  width: auto;
}

table thead tr {
  background:linear-gradient(90deg, #f7c400 0%, #ed5f2f 28.57%, #e93b40 100%);

;
  color: #fff;
}

table tbody th {
  text-align: left;
}

.txt {
  text-align: left;
}

.price {
  text-align: right;
  color: #000;
  font-weight: bold;
}

/*==================================================
アコーディオンのためのcss
===================================*/
/*アコーディオン全体*/
.accordion-area {
  list-style: none;
  width: 96%;
  max-width: 900px;
  margin: 1.6rem auto;
}

.accordion-area section {
  border: 1px solid #ccc;
}

/*アコーディオンタイトル*/
.title {
  position: relative;
  /*+マークの位置基準とするためrelative指定*/
  cursor: pointer;
  font-size: 1rem;
  font-weight: normal;
  padding: 2% 2% 2% 5rem !important;
  transition: all 0.5s ease;
}

/*アイコンの＋と×*/
.title::before,
.title::after {
  position: absolute;
  content: "";
  width: 15px;
  height: 2px;
  background-color: #333;
}

.title::before {
  top: 48%;
  left: 15px;
  transform: rotate(0deg);
}

.title::after {
  top: 48%;
  left: 15px;
  transform: rotate(90deg);
}

/*　closeというクラスがついたら形状変化　*/
.title.close::before {
  transform: rotate(45deg);
}

.title.close::after {
  transform: rotate(-45deg);
}

/*アコーディオンで現れるエリア*/
.box {
  display: none;
  /*はじめは非表示*/
  margin: 0 3% 3% 3%;
  padding: 3%;
}

#footer {
  width: 100%;
  bottom: 0;
  position: relative;
}

.footer-wrap {
  padding: 0 8rem;
  margin-top: 5rem;
}
@media screen and (max-width: 768px) {
  .footer-wrap {
    padding: 0;
    width: 95%;
    margin: 0 auto;
  }
}

.footer-container {
  padding: 5rem 0;
  border-top: 1px solid #e4e4e4;
  color: #999999;
}
@media screen and (max-width: 768px) {
  .footer-container {
    padding: 2rem 0;
  }
}
.footer-container .footer-menu {
  display: flex;
  justify-content: center;
}
@media screen and (max-width: 768px) {
  .footer-container .footer-menu {
    width: 100%;
  }
}
@media screen and (max-width: 768px) {
  .footer-container .footer-menu nav {
    width: 70%;
  }
}
.footer-container .footer-companyname {
  display: flex;
  justify-content: center;
  text-align: center;
}

.footer-navi {
  display: flex;
  margin-bottom: 5rem;
}
@media screen and (max-width: 768px) {
  .footer-navi {
    margin-bottom: 1.6rem;
    justify-content: space-between;
    flex-wrap: wrap;
  }
}
.footer-navi li {
  margin-right: 2rem;
}
@media screen and (max-width: 768px) {
  .footer-navi li {
    text-align: center;
    line-height: 1;
    margin-right: 0;
    margin-bottom: 0.8rem;
    width: calc(50% - 1rem);
  }
}
.footer-navi li a {
  color: #999999;
}
@media screen and (max-width: 768px) {
  .footer-navi li a {
    font-size: 1.2rem;
  }
}
.footer-navi li:last-child {
  margin-right: 2rem;
}
@media screen and (max-width: 768px) {
  .footer-navi li:last-child {
    margin-right: 0;
  }
}

#topBtn {
  position: fixed;
  right: 6%;
  bottom: 6%;
  padding: 3.5rem;
  width: 5rem;
  height: 5rem;
  z-index: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: row;
  background: #345093


;
  border-radius: 50%;
  cursor: pointer;
}
@media screen and (max-width: 768px) {
  #topBtn {
    padding: 2.4rem;
    right: 0;
    bottom: 3%;
    left: 30rem;
  }
}
#topBtn p {
  text-align: center;
  color: #FFFFFF;
}
#topBtn p i {
  font-size: 5rem;
}
@media screen and (max-width: 768px) {
  #topBtn p i {
    font-size: 3rem;
  }
}

#topBtn:hover {
  opacity: 0.8;
}

.copy-light {
  color: #999999;
  text-align: center;
}