body {
  background-color: #dff1fb;
  font-family: 'Noto Sans HK', sans-serif;
  color: #5b5b5b;
  font-size: 17px;
  line-height: 23px;
  font-weight: 500;
}

h1 {
  margin-top: 0px;
  margin-bottom: 0px;
  font-size: 38px;
  line-height: 44px;
  font-weight: 700;
}

a {
  text-decoration: none;
}

.header {
  position: fixed;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  z-index: 1500;
  width: 100%;
  background-color: #fff;
}

.nav-submenu-dropdown {
  position: static;
  display: block;
}

.brand {
  width: 100%;
  max-width: 120px;
  margin-right: 20px;
  padding: 0px;
  transition: opacity 500ms ease;
}

.brand:hover {
  opacity: 0.6;
}

.brand.v-onlineclass {
  width: 150px;
  max-width: none;
  margin-right: 10px;
}

.brand.v-onlineclass:hover {
  opacity: 1;
}

.brand.v-i_love_learning {
  max-width: 90px;
}

.header-btn-graphic {
  display: block;
  width: 200px;
  margin-left: 10px;
}

.header-btn-graphic.v-logout {
  max-width: 85px;
}

.desktop-hide {
  display: none;
}

.nav-menu {
  position: static;
  display: block;
  margin-right: -2vw;
  margin-left: -2vw;
  float: none;
  background-color: #dff1fb;
}

.nav-submenu-dropdown-list {
  left: 0%;
  top: auto;
  right: auto;
  bottom: 0%;
  overflow: hidden;
  margin-bottom: 40px;
  background-color: transparent;
  opacity: 1;
  transform: translate(0px, 100%);
}

.nav-link-item {
  padding-right: 20px;
}

.btn-menu-line {
  background-color: #0083be;
}

.container {
  max-width: 1440px;
  padding-right: 2vw;
  padding-left: 2vw;
}

.container.v-full {
  max-width: none;
}

.container.home-news {
  padding-right: 0vw;
  padding-left: 0vw;
}

.img-full {
  display: block;
  width: 100%;
}

.img-full.after-chara-blue {
  margin-left: -20px;
  transform-origin: 0% 100%;
}

.img-full.before-chara-orange {
  transform-origin: 100% 0%;
}

.img-full.inner-chara-blue {
  margin-bottom: -25px;
  transform-origin: 0% 100%;
}

.img-full.inner-chara-orange {
  margin-top: -52px;
  transform-origin: 50% 0%;
}

.img-full.before-chara-blue {
  transform-origin: 0% 100%;
}

.nav-submenu-img-b {
  position: relative;
  max-width: 85px;
  margin-right: auto;
  margin-left: auto;
}

.btn-login {
  display: block;
  width: 85px;
  height: 85px;
  margin-left: 10px;
  padding-top: 53px;
  border-style: solid;
  border-width: 2px;
  border-color: #0083be;
  border-radius: 18px;
  background-color: #fff;
  background-image: url('../images/icon_login.svg');
  background-position: 50% 5px;
  background-size: 45px;
  background-repeat: no-repeat;
  box-shadow: 1px 1px 2px 0 rgba(0, 0, 0, 0.15);
  transition: box-shadow 500ms ease, background-color 500ms ease, color 500ms ease;
  color: #5b5b5b;
  text-align: center;
}

.btn-login:hover {
  box-shadow: 1px 1px 4px 0 rgba(0, 0, 0, 0.25);
  color: #0083be;
}

.header-loggedin-gp {
  flex: 0 0 auto;
}

.header-bg {
  display: none;
}

.header-loggedin-link-gp {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.header-l-b {
  display: flex;
  padding-right: 20px;
  justify-content: flex-start;
  align-items: center;
  flex: 1;
}

.header-account-b {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.nav-submenu-item-b {
  width: 20%;
  margin-bottom: 20px;
  padding-right: 8px;
  padding-left: 8px;
}

.nav-submenu-rows {
  display: flex;
  margin-bottom: 30px;
  justify-content: flex-start;
  align-items: stretch;
}

.nav-submenu-wrap {
  margin-bottom: -30px;
}

.nav-submenu-item-gp {
  display: flex;
  margin-bottom: -20px;
  flex-wrap: wrap;
  align-items: flex-start;
  flex: 1;
}

.header-r-b {
  display: flex;
  width: 60%;
  justify-content: flex-end;
  align-items: flex-start;
}

.header-r-b.before-login {
  align-items: center;
}

.nav-link {
  position: relative;
  padding: 0px;
  justify-content: center;
  align-items: center;
  transition: color 500ms ease;
  font-size: 1.9vw;
  line-height: 2vw;
  font-weight: 500;
  letter-spacing: 1.5px;
}

.nav-link.w--open {
  z-index: 1;
}

.submenu-row-title {
  width: 180px;
  margin-right: 20px;
  padding-right: 20px;
  border-right: 2px solid #5b5b5b;
  color: #5b5b5b;
  font-size: 20px;
  line-height: 24px;
  font-weight: 500;
}

.nav-submenu-link {
  display: block;
  transition: color 500ms ease;
  color: #5b5b5b;
  font-weight: 500;
  text-align: center;
}

.nav-submenu-link:hover {
  color: #0083be;
}

.nav-menu-wrap {
  display: flex;
  width: auto;
  height: 90px;
  max-width: 1440px;
  margin-right: auto;
  margin-left: auto;
  padding-right: 1vw;
  padding-left: 1vw;
  justify-content: space-between;
  align-items: center;
}

.header-top-b {
  display: flex;
  width: 100%;
  height: 120px;
  justify-content: space-between;
  align-items: center;
}

.nav-submenu-box {
  margin-top: 60px;
  padding: 30px;
  background-color: #fff;
}

.img-header-ribbon {
  position: relative;
  width: auto;
  height: 50px;
  flex: 0 0 auto;
}

.nav-submenu-bg {
  position: fixed;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  z-index: 1200;
  display: none;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.3);
  opacity: 0;
}

.all {
  position: relative;
  padding-top: 210px;
}

.section-content {
  padding-top: 20px;
  padding-bottom: 50px;
}

.section-content.v-home-tool {
  padding-top: 0px;
  padding-bottom: 0px;
  background-color: #fff;
}

.section-content.v-home-before-login {
  position: relative;
  overflow: hidden;
  padding-top: 70px;
}

.section-content.v-home-after-login {
  position: relative;
  overflow: hidden;
  padding-top: 30px;
}

.section-content.v-home-after-login.v-author-garden {
  overflow: visible;
}

.nav-link-wrap {
  position: absolute;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  display: flex;
  width: 100%;
  height: 100%;
  padding-left: 0px;
  justify-content: flex-start;
  align-items: center;
}

.nav-link-icon {
  width: 80px;
  margin-left: 8px;
  flex: 0 0 auto;
}

.nav-link-txt {
  display: none;
  margin-top: -10px;
  margin-left: -4px;
}

.c-cat-1 {
  color: #52b3b4;
}

.c-cat-2 {
  color: #7a86be;
}

.c-cat-3 {
  color: #74b749;
}

.c-cat-4 {
  color: #f15d5d;
}

.nav-link-ribbon-b {
  padding-left: 19px;
}

.section-banner {
  position: relative;
}

.section-banner.p-home {
  z-index: 2;
  background-color: #389cda;
  color: #fff;
}

.common-slider {
  height: auto;
  background-color: transparent;
}

.common-slider.home-system-tool {
  position: relative;
  padding-right: 46px;
  padding-left: 46px;
}

.home-news-list-mask {
  position: absolute;
  left: 0%;
  top: auto;
  right: auto;
  bottom: 0%;
  width: 100%;
  height: 100px;
  background-image: linear-gradient(180deg, rgba(56, 156, 218, 0), #389cda 41%);
  transition: background-color 200ms ease, color 500ms ease;
}

.overflow-hidden {
  overflow: hidden;
}

.home-banner-news-title {
  flex: 1;
  font-weight: 500;
}

.home-banner-l-b {
  position: relative;
  width: 72%;
}

.home-banner-news-b {
  position: relative;
  width: 28%;
  min-width: 350px;
  margin-left: 2vw;
  padding-top: 2vw;
  padding-right: 0px;
  padding-left: 0px;
  align-content: flex-start;
}

.home-banner-slider-mask {
  border-radius: 0px 0px 100px;
}

.home-banner-news-date {
  width: 70px;
  margin-right: 30px;
  flex: 0 0 auto;
  font-family: 'Open Sans', sans-serif;
}

.home-banner-news-date.v-first {
  margin-right: 18px;
}

.hide {
  display: none;
}

.font-size-14 {
  font-size: 14px;
  line-height: 20px;
}

.link-100 {
  display: block;
  width: 100%;
}

.home-banner-news-list {
  position: relative;
  overflow: auto;
  max-height: 15vw;
  margin-right: 0px;
  margin-left: 0px;
  padding-right: 2vw;
  padding-bottom: 50px;
  flex: 1;
}

.home-banner-img {
  width: 100%;
  padding-top: 38%;
  background-image: url('https://d3e54v103j8qbb.cloudfront.net/img/background-image.svg');
  background-position: 50% 50%;
  background-size: cover;
  background-repeat: no-repeat;
}

.home-banner-img.banner-1 {
  background-image: url('../images/home-banner-1-v32x.jpg');
}

.home-banner-img.banner-3 {
  background-image: url('../images/home-banner-32x.jpg');
}

.home-banner-img.banner-2 {
  background-image: url('../images/home-banner-22x.jpg');
}

.home-banner-wrap {
  position: relative;
  display: flex;
  max-width: 1440px;
  margin-right: auto;
  margin-left: auto;
  padding: 0px;
}

.home-banner-news-link {
  display: flex;
  justify-content: flex-start;
  flex-wrap: nowrap;
  align-items: flex-start;
  transition: all 500ms ease;
  color: #fff;
}

.home-banner-news-link:hover {
  transform: translate(0px, -5px);
}

.home-banner-news-link.v-first {
  position: relative;
  padding-right: 0px;
  padding-left: 10px;
  border-left: 3px solid #ffeb69;
  color: #ffeb69;
}

.home-banner-slide {
  overflow: hidden;
}

.home-banner-slider-nav {
  position: relative;
}

.home-banner-news-item {
  padding-top: 10px;
  padding-bottom: 10px;
  border-top: 1px solid #fff;
  font-size: 15px;
  line-height: 22px;
}

.login-title-bar {
  display: flex;
  padding: 10px 20px;
  justify-content: space-between;
  align-items: center;
  background-color: #ffd602;
  font-size: 20px;
  font-weight: 700;
}

.login-form-row {
  display: flex;
  margin-bottom: 15px;
  justify-content: flex-start;
  align-items: center;
  font-size: 20px;
  line-height: 22px;
}

.login-form-confirm-b {
  text-align: right;
}

.btn-login2 {
  padding: 5px 10px;
  border-style: solid;
  border-width: 2px;
  border-color: #ffb000;
  background-color: #ffd602;
  transition: opacity 500ms ease;
  color: #5b5b5b;
  font-size: 20px;
  line-height: 22px;
}

.btn-login2:hover {
  opacity: 0.7;
}

.login-pop-close {
  width: 18px;
  height: 18px;
  background-image: url('../images/login-popup-close.svg');
  background-position: 50% 50%;
  background-size: contain;
  background-repeat: no-repeat;
  transition: opacity 500ms ease;
}

.login-pop-close:hover {
  opacity: 0.6;
}

.login-form-b {
  max-width: 400px;
  margin-right: auto;
  margin-left: auto;
}

.login-box {
  max-width: 600px;
  margin-right: auto;
  margin-left: auto;
  background-color: #f5f5f5;
}

.login-form-label {
  width: 85px;
  margin-right: 10px;
  margin-bottom: 0px;
  text-align: center;
}

.login-box-incorrect {
  margin-bottom: 15px;
  color: #f15d5d;
  font-weight: 700;
  text-align: center;
}

.form-b {
  margin-bottom: 0px;
}

.login-box-content {
  padding: 30px 20px;
}

.login-txt-field {
  height: 40px;
  margin-bottom: 0px;
  padding: 5px 12px;
  border-style: solid;
  border-width: 1px;
  border-color: #ccc;
  border-radius: 0px;
  background-color: #fff;
}

.popup-login {
  position: fixed;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  z-index: 3000;
  display: none;
  overflow: auto;
  width: 100vw;
  height: 100vh;
  padding-top: 100px;
  padding-bottom: 100px;
  background-color: rgba(0, 0, 0, 0.6);
  opacity: 0;
}

.home-systemtool-slide {
  width: 20%;
  padding-right: 15px;
  padding-left: 15px;
}

.home-systemtool-slider-color-b {
  position: absolute;
  left: auto;
  top: 0%;
  right: 0%;
  bottom: auto;
  z-index: 1;
  width: 12%;
  height: 100%;
  background-image: linear-gradient(90deg, hsla(0, 0%, 100%, 0), #fff 60%);
}

.home-systemtool-slider-color-b.v-left {
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  background-image: linear-gradient(270deg, hsla(0, 0%, 100%, 0) 58%, #fff);
}

.home-systemtool-slider-wrap {
  position: relative;
  overflow: hidden;
}

.home-systemtool-slider-mask {
  overflow: visible;
  width: 100%;
}

.common-slider-arrow {
  left: 0%;
  top: 50%;
  right: auto;
  bottom: auto;
  z-index: 2;
  width: 46px;
  height: 64px;
  background-image: url('../images/left_arrow.svg');
  background-position: 50% 50%;
  background-size: contain;
  background-repeat: no-repeat;
  transform: translate(0px, -50%);
  transition: all 500ms ease;
}

.common-slider-arrow:hover {
  transform: translate(0px, -50%) scale(1.1);
}

.common-slider-arrow.v-right {
  left: auto;
  top: 50%;
  right: 0%;
  bottom: auto;
  background-image: url('../images/right-arrow.svg');
}

.btn-top {
  position: -webkit-sticky;
  position: sticky;
  bottom: 30px;
  z-index: 1000;
  display: flex;
  width: 52px;
  height: 52px;
  margin: -26px 2vw -26px auto;
  justify-content: center;
  align-items: center;
  border-style: solid;
  border-width: 2px;
  border-color: #fff;
  border-radius: 50%;
  background-color: #0083be;
  transition: background-color 500ms ease;
}

.btn-top:hover {
  background-color: #00567c;
}

.btn-top-icon {
  width: 23px;
  height: 18px;
  margin-top: -2px;
  background-image: url('../images/s-icon-top.svg');
  background-position: 50% 50%;
  background-size: contain;
  background-repeat: no-repeat;
}

.footer-dropdown {
  display: block;
}

.footer-link-gp {
  display: flex;
  margin-bottom: 15px;
  justify-content: flex-end;
}

.section-footer {
  position: relative;
  z-index: 100;
  padding-top: 50px;
  padding-bottom: 25px;
  border-top: 5px solid #0083be;
  background-color: #dff2fc;
  color: #000;
}

.footer-r-b {
  width: 40%;
  text-align: right;
}

.footer-dropdown-arrow {
  width: 13px;
  height: 13px;
  margin-left: 10px;
  background-image: url('../images/s-footer-dropdown-arrow.svg');
  background-position: 50% 50%;
  background-size: contain;
  background-repeat: no-repeat;
}

.footer-logo-b {
  width: 252px;
}

.footer-link {
  transition: color 500ms ease;
  color: #0083be;
  font-weight: 500;
}

.footer-link:hover {
  color: #00567c;
}

.footer-link-item {
  margin-left: 8px;
  padding-left: 8px;
  border-left: 2px solid #0083be;
}

.footer-dropdown-b {
  width: 250px;
  margin-left: 30px;
}

.footer-copyright {
  margin-bottom: 5px;
  font-weight: 500;
}

.footer-l-b {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex: 1;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-dropdown-link {
  padding: 8px 15px;
  transition: color 500ms ease;
  color: hsla(0, 0%, 100%, 0.7);
  white-space: normal;
}

.footer-dropdown-link:hover {
  color: #fff;
}

.footer-dropdown-link.w--current {
  color: #fff;
  font-weight: 500;
}

.common-txt-link {
  transition: color 500ms ease;
}

.common-txt-link:hover {
  color: #0083be;
}

.footer-dropdown-list {
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  overflow: hidden;
  margin-top: 10px;
  border-radius: 5px;
  transform: translate(0px, -100%);
}

.footer-dropdown-list.w--open {
  overflow: hidden;
  background-color: #0083be;
  color: #fff;
}

.footer-drop-toggle {
  display: flex;
  padding: 8px 15px;
  justify-content: space-between;
  align-items: center;
  border-style: solid;
  border-width: 2px;
  border-color: #0083be;
  border-radius: 10px;
  background-image: linear-gradient(0deg, #a1cce5, #ecfcfd);
  font-weight: 500;
}

.footer-drop-toggle.w--open {
  z-index: 1;
}

.footer-dropdown-list-wrap {
  overflow: auto;
  max-height: 205px;
  padding-bottom: 10px;
}

.blackboard-edge-top {
  position: absolute;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  width: 100%;
  height: 16px;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
  background-image: url('../images/s-home-blackboard-edge-top2x.png');
  background-position: 50% 100%;
  background-size: cover;
}

.blackboard-edge-l {
  position: absolute;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  width: 18px;
  height: 100%;
  border-top-left-radius: 10px;
  border-bottom-left-radius: 10px;
  background-image: url('../images/s-home-blackboard-corner-tl2x_1s-home-blackboard-corner-tl@2x.png'), url('../images/s-home-blackboard-edge-l2x.png');
  background-position: 0px 0px, 50% 0%;
  background-size: 100%, cover;
  background-repeat: no-repeat, repeat;
}

.blackboard-edge-r {
  position: absolute;
  left: auto;
  top: 0%;
  right: 0%;
  bottom: auto;
  width: 18px;
  height: 100%;
  border-top-right-radius: 10px;
  border-bottom-right-radius: 10px;
  background-image: url('../images/s-home-blackboard-corner-tr2x_1s-home-blackboard-corner-tr@2x.png'), url('../images/s-home-blackboard-edge-r2x.png');
  background-position: 100% 0%, 0px 0px;
  background-size: 100%, cover;
  background-repeat: no-repeat, repeat;
}

.blackboard-edge-bottom {
  position: absolute;
  left: 0%;
  top: auto;
  right: auto;
  bottom: 0%;
  width: 100%;
  height: 18px;
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
  background-image: url('../images/s-home-blackboard-edge-bottom2x.png');
  background-position: 50% 0%;
  background-size: cover;
}

.blackboard-separator {
  position: absolute;
  left: auto;
  top: 0%;
  right: 0%;
  bottom: auto;
  width: 16px;
  height: 100%;
  background-image: url('../images/s-home-blackboard-separator2x.jpg');
  background-position: 50% 50%;
  background-size: cover;
  background-repeat: no-repeat;
}

.blackboard-bottom-bar {
  position: absolute;
  left: 0%;
  top: auto;
  right: 0%;
  bottom: 0%;
  display: flex;
  margin-bottom: -17px;
  margin-left: -1px;
  justify-content: space-between;
  align-items: stretch;
}

.blackboard-bar-corner-b {
  width: 14px;
  flex: 0 0 auto;
}

.blackboard-bar-center {
  padding: 0px;
  flex: 1;
  background-image: url('../images/s-home-blackboard-bottom-bar2x.png');
  background-position: 50% 67%;
  background-size: cover;
}

.blackboard-eraser {
  position: absolute;
  left: auto;
  top: auto;
  right: 0%;
  bottom: 0%;
  width: 85px;
  margin-right: 2%;
  margin-bottom: 15px;
}

.blackboard-chalk {
  position: absolute;
  left: auto;
  top: auto;
  right: 0%;
  bottom: 0%;
  width: 54px;
  margin-right: 24%;
  margin-bottom: 15px;
}

.home-deco-chara-blue {
  position: absolute;
  left: 50%;
  top: 0%;
  right: auto;
  bottom: auto;
  width: 100px;
  margin-top: -31px;
  margin-left: -25vw;
  transform: translate(-50%, 0px);
}

.home-cat-list {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.home-cat-col {
  position: relative;
  display: flex;
  width: 50%;
  margin-bottom: 30px;
  padding-right: 15px;
  padding-left: 15px;
  align-items: stretch;
}

.catagory-link-item {
  width: 33.3%;
  margin-bottom: 15px;
  padding-right: 15px;
  padding-left: 15px;
}

.catagory-link-item.v-logged-in {
  width: 25%;
}

.catagory-link-item.v-content-r {
  width: 50%;
}

.catagory-link-item.v-pop {
  width: 20%;
}

.catagory-b {
  position: relative;
  display: flex;
  width: 100%;
  flex-direction: row;
  flex-wrap: wrap;
  align-content: stretch;
  color: #00b7be;
}

.catagory-link {
  display: block;
  width: 120px;
  min-width: 120px;
  margin-right: auto;
  margin-left: auto;
  transition: color 500ms ease;
  color: #5b5b5b;
  font-weight: 500;
  text-align: center;
}

.catagory-link:hover {
  color: #009197;
}

.cat-link-icon {
  position: absolute;
  left: 50%;
  top: 50%;
  right: auto;
  bottom: auto;
  width: 100%;
  transform: translate(-50%, -50%);
}

.catagory-link-list {
  display: flex;
  margin-right: -15px;
  margin-bottom: -15px;
  margin-left: -15px;
  justify-content: center;
  flex-wrap: wrap;
  align-items: flex-start;
}

.catagory-link-icon-b {
  position: relative;
  width: 100%;
  margin-bottom: 8px;
  padding-top: 100%;
  border-radius: 50%;
  background-color: rgba(82, 179, 180, 0.2);
}

.catagory-link-icon-b.v-cat-2 {
  background-color: rgba(122, 134, 190, 0.2);
}

.catagory-link-icon-b.v-cat-3 {
  background-color: rgba(116, 183, 73, 0.2);
}

.catagory-link-icon-b.v-cat-4 {
  background-color: rgba(241, 93, 93, 0.2);
}

.catagory-link-icon-b.v-recommend {
  background-color: rgba(101, 175, 232, 0.2);
}

.catagory-link-icon-b.v-frequent {
  background-color: rgba(233, 80, 152, 0.2);
}

.common-catagory-box {
  position: relative;
  width: 100%;
  margin-top: 34px;
  padding: 60px 15px 20px;
  border-style: solid;
  border-width: 3px;
  border-color: #52b3b4;
  border-radius: 20px;
  background-color: #eaf6f1;
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.3);
}

.common-catagory-box.v-cat-2 {
  border-color: #7a86be;
  background-color: #f5f6ff;
  color: #7a86be;
}

.common-catagory-box.v-cat-3 {
  border-color: #74b749;
  background-color: #fcffed;
  color: #74b749;
}

.common-catagory-box.v-cat-4 {
  border-color: #f15d5d;
  background-color: #fff7fc;
  color: #f15d5d;
}

.common-catagory-box.v-recommend {
  padding-bottom: 50px;
  border-color: #65afe8;
  background-color: #f6fbff;
  color: #65afe8;
}

.common-catagory-box.v-frequent {
  padding-bottom: 50px;
  border-color: #e95098;
  background-color: #fff7fd;
  color: #e95098;
}

.catagory-title-b {
  position: absolute;
  z-index: 1;
  padding-left: 20px;
  font-size: 30px;
  line-height: 32px;
}

.cate-learnmore-link {
  position: absolute;
  left: auto;
  top: 0%;
  right: 0%;
  bottom: auto;
  z-index: 1;
  display: block;
  margin-top: 15px;
  margin-right: 15px;
  transition: color 500ms ease;
  font-weight: 500;
}

.cat-title-wrap {
  position: absolute;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  display: flex;
  width: 100%;
  height: 100%;
  justify-content: flex-start;
  align-items: center;
}

.cat-icon {
  width: 9vw;
  flex: 0 0 auto;
}

.img-cat-ribbon {
  position: relative;
  width: auto;
  height: 70px;
  flex: 0 0 auto;
}

.cat-ribbon-txt {
  display: none;
  margin-top: -10px;
  margin-left: -4px;
}

.home-cat-deco {
  position: absolute;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  z-index: 1;
  width: 100px;
}

.home-cat-deco.sec-2 {
  left: auto;
  top: 0%;
  right: 0%;
  bottom: auto;
}

.home-cat-deco.sec-3 {
  left: auto;
  top: 0%;
  right: 0%;
  bottom: auto;
  width: 83px;
  margin-top: -20px;
  margin-right: 30px;
}

.home-cat-deco.before-chara-blue {
  left: auto;
  top: 0%;
  right: 0%;
  bottom: auto;
  z-index: -1;
  overflow: hidden;
  width: 110px;
  margin-top: -39px;
  margin-right: 18px;
  padding-top: 10px;
  padding-right: 10px;
  padding-left: 10px;
}

.home-cat-deco.sec-4-2 {
  left: auto;
  top: auto;
  right: 0%;
  bottom: 0%;
  width: 160px;
  margin-right: -20px;
  margin-bottom: -60px;
}

.home-cat-deco.after-chara-blue {
  left: 0%;
  top: auto;
  right: auto;
  bottom: 0%;
  overflow: hidden;
  width: 90px;
  margin-bottom: 50px;
}

.home-cat-deco.reccommand-chara {
  left: 0%;
  top: auto;
  right: auto;
  bottom: 0%;
  width: 70px;
  margin-bottom: -40px;
}

.home-cat-deco.frequent-chara {
  left: auto;
  top: auto;
  right: 0%;
  bottom: 0%;
  width: 60px;
  margin-bottom: -50px;
}

.home-cat-deco.after-chara-lime {
  left: auto;
  top: 0%;
  right: 0%;
  bottom: auto;
  width: 120px;
  margin-top: -60px;
  margin-right: 10px;
}

.home-cat-deco.inner-chara-blue {
  left: auto;
  top: 0%;
  right: 0%;
  bottom: auto;
  overflow: hidden;
  width: 120px;
  margin-top: -4px;
  padding-top: 10px;
  padding-right: 12px;
  padding-left: 12px;
  transform: translate(0px, -100%);
}

.home-cat-deco.inner-chara-lime {
  left: 0%;
  top: auto;
  right: auto;
  bottom: 0%;
  width: 150px;
  margin-bottom: -40px;
}

.home-cat-deco.inner-chara-orange {
  left: auto;
  top: auto;
  right: 0%;
  bottom: 0%;
  overflow: hidden;
  width: 140px;
  margin-right: 10%;
  margin-bottom: -4px;
  padding-right: 15px;
  padding-bottom: 10px;
  padding-left: 15px;
  transform: translate(0px, 100%);
}

.home-cat-deco.sec-4-1 {
  left: 50%;
  top: auto;
  right: auto;
  bottom: 0%;
  width: 60px;
  margin-right: -20px;
  margin-bottom: -60px;
  transform: translate(-50%, 0px);
}

.home-cat-deco.sec-1 {
  left: auto;
  top: 0%;
  right: 0%;
  bottom: auto;
  width: 80px;
  margin-top: -50px;
}

.home-cat-deco.sec-2-2 {
  left: auto;
  top: 0%;
  right: 0%;
  bottom: auto;
  width: 80px;
  margin-top: -50px;
}

.top-b {
  position: absolute;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
}

.notification-b {
  position: fixed;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  z-index: 900;
  width: 100%;
  margin-top: 210px;
  background-color: #389cda;
  color: #fff;
}

.notification-slider {
  width: 100%;
  height: auto;
  background-color: transparent;
}

.notification-slide-link-b {
  display: flex;
  height: 55px;
  justify-content: flex-start;
  align-items: center;
  transition: color 500ms ease;
  color: #fff;
  white-space: nowrap;
}

.notification-slide-link-b:hover {
  color: #e0f1f9;
}

.notification-heading {
  margin-right: 10vw;
  flex: 0 0 auto;
  font-size: 20px;
  line-height: 24px;
  font-weight: 500;
  letter-spacing: 1px;
  text-shadow: 1px 1px 8px rgba(0, 0, 0, 0.5);
}

.home-banner-news-title-2 {
  flex: 1;
  font-weight: 500;
}

.notification-wrap {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.logged-in-content-b {
  padding-top: 55px;
}

.header-btn-account {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex: 0 0 auto;
  transition: color 500ms ease;
  color: #00b7be;
  font-weight: 500;
}

.header-btn-account:hover {
  color: #009197;
}

.header-account-img-b {
  width: 35px;
  margin-right: 10px;
}

.desktop-only {
  display: block;
}

.common-content-wrap {
  display: flex;
  align-items: flex-start;
}

.common-content-col-l {
  position: relative;
  z-index: 1;
  width: 70%;
  padding-right: 15px;
}

.logged-in-banner-b {
  position: relative;
  z-index: 0;
  padding: 3px;
  background-image: linear-gradient(0deg, #e9e9e9, #fff);
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.5);
}

.margin-bottom-30 {
  margin-bottom: 30px;
}

.content-col-r-img-link {
  display: block;
}

.common-content-col-r {
  position: relative;
  z-index: 1;
  width: 30%;
}

.logged-in-banner-img {
  width: 100%;
  padding-top: 123%;
  background-image: url('https://d3e54v103j8qbb.cloudfront.net/img/background-image.svg');
  background-position: 50% 50%;
  background-size: cover;
  background-repeat: no-repeat;
}

.logged-in-banner-img.banner-1 {
  background-image: url('../images/ref_banner_small_202110282x.jpg');
}

.logged-in-banner-slider {
  height: auto;
  background-color: transparent;
}

.home-banner-slider-nav-2 {
  position: relative;
}

.home-banner-slider-nav-2.logged-in {
  position: absolute;
  left: 0%;
  top: auto;
  right: auto;
  bottom: 0%;
  width: 100%;
  transform: translate(0px, 100%);
}

.c-recommend {
  color: #65afe8;
}

.c-frequent {
  color: #e95098;
}

.sticky-btn-gp {
  display: none;
}

.btn-pop-close {
  position: absolute;
  left: auto;
  top: 0%;
  right: 0%;
  bottom: auto;
  width: 40px;
  height: 40px;
  margin-top: -60px;
  margin-right: 2vw;
  background-image: url('../images/icon-pop-close.svg');
  background-position: 50% 50%;
  background-size: contain;
  background-repeat: no-repeat;
  transition: opacity 500ms ease;
}

.btn-pop-close:hover {
  opacity: 0.7;
}

.pop-recommend {
  display: none;
}

.pop-frequent {
  display: none;
}

.popup-b {
  position: fixed;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  z-index: 3000;
  display: none;
  overflow: auto;
  width: 100vw;
  height: 100vh;
  padding-top: 100px;
  padding-bottom: 100px;
  background-color: hsla(0, 0%, 100%, 0.8);
  opacity: 0;
}

.relative {
  position: relative;
}

.margin-content-col-r-row {
  margin-bottom: 60px;
}

.inner-heading-b {
  display: flex;
  margin-bottom: 20px;
  justify-content: flex-start;
  align-items: center;
  color: #00b7be;
}

.inner-heading-b.v-ja-detail {
  padding-right: 215px;
}

.inner-heading-icon-b {
  display: flex;
  overflow: hidden;
  width: 80px;
  height: 80px;
  margin-right: 20px;
  justify-content: center;
  align-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  background-color: #fff;
}

.innerpage-heading {
  font-size: 30px;
  line-height: 40px;
  font-weight: 500;
  letter-spacing: 5px;
}

.inner-col-l-box {
  position: relative;
  margin-bottom: 100px;
  padding: 20px 20px 100px;
  border: 4px solid #fff;
  border-radius: 15px;
  background-color: hsla(0, 0%, 100%, 0.8);
  box-shadow: 0 2px 10px 0 rgba(0, 0, 0, 0.2);
}

.breadcrumb-b {
  margin-bottom: 50px;
  padding-right: 120px;
}

.breadcrumb-link {
  transition: color 500ms ease;
  color: #5b5b5b;
}

.breadcrumb-link:hover {
  color: #0083be;
}

.table-btn-item {
  padding-top: 4px;
  padding-bottom: 4px;
  padding-left: 10px;
  flex: 0 0 auto;
}

.table-btn-item.fourmasterpiece {
  display: flex;
  width: 50%;
  justify-content: center;
  align-items: center;
}

.inner-table-row {
  display: flex;
  padding: 20px;
  justify-content: flex-start;
  align-items: center;
}

.table-col-btn {
  display: flex;
  width: 160px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.table-col-btn.v-2-col {
  width: 30%;
  text-align: center;
}

.table-col-btn.v-1-btn {
  width: auto;
  margin-left: 15px;
}

.table-btn {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  transition: opacity 500ms ease;
  color: #00b7be;
  font-size: 17px;
  line-height: 23px;
}

.table-btn:hover {
  opacity: 0.6;
}

.table-btn.v-purple {
  color: #7787c2;
}

.table-btn.v-read {
  color: #f19300;
}

.card-item-img-b {
  position: relative;
  overflow: hidden;
  border-style: solid;
  border-width: 4px;
  border-color: #00b7be;
  border-radius: 8px;
}

.card-item-img-b.v-cat-4 {
  border-color: #f15d5d;
}

.font-size-21 {
  font-size: 21px;
  line-height: 25px;
}

.table-btn-icon {
  width: 28px;
  height: 28px;
  margin-left: 5px;
  flex: 0 0 auto;
  background-image: url('https://d3e54v103j8qbb.cloudfront.net/img/background-image.svg');
  background-position: 50% 50%;
  background-size: contain;
  background-repeat: no-repeat;
}

.table-btn-icon.v-open {
  background-image: url('../images/icon-btn-open.svg');
}

.table-btn-icon.v-read {
  background-image: url('../images/s-icon-btn-read.svg');
}

.table-btn-icon.v-download {
  background-image: url('../images/icon-download.svg');
}

.card-item-link {
  position: relative;
  display: block;
  overflow: hidden;
  height: 100%;
  padding-bottom: 4px;
  border-radius: 8px;
  background-color: #00b7be;
  transition: all 500ms ease;
  color: #fff;
}

.card-item-link:hover {
  transform: translate(0px, -5px);
}

.card-item-link.v-cat-4 {
  background-color: #f15d5d;
}

.card-item-list-b {
  display: flex;
  margin-right: -10px;
  margin-bottom: -20px;
  margin-left: -10px;
  justify-content: flex-start;
  flex-wrap: wrap;
  align-items: stretch;
  flex: 1;
}

.table-header-b {
  margin-top: -3px;
  margin-right: -3px;
  margin-left: -3px;
  padding-top: 3px;
  padding-right: 3px;
  padding-left: 3px;
  border-top-left-radius: 15px;
  border-top-right-radius: 15px;
  background-color: #00b7be;
  color: #fff;
}

.table-header-b.c-cat-4 {
  background-color: #f15d5d;
}

.inner-table-b {
  overflow: hidden;
  border-bottom-left-radius: 15px;
  border-bottom-right-radius: 15px;
  font-size: 17px;
  line-height: 23px;
}

.inner-table-column {
  padding-right: 10px;
}

.inner-table-column.col-book {
  width: 100px;
  flex: 0 0 auto;
}

.inner-table-column.col-site {
  display: flex;
  padding-right: 0px;
  justify-content: flex-start;
  flex-wrap: wrap;
  align-items: center;
  flex: 1;
}

.inner-table-column.col-chapter {
  display: block;
  width: 120px;
  padding-right: 5px;
  justify-content: flex-start;
  flex-wrap: wrap;
  align-items: flex-start;
  flex: 0 0 auto;
}

.inner-table-column.col-upload-date {
  width: 120px;
  flex: 0 0 auto;
}

.inner-table-column.col-article-name {
  display: block;
  width: 180px;
  padding-right: 5px;
  justify-content: flex-start;
  flex-wrap: wrap;
  align-items: flex-start;
  flex: 0 0 auto;
}

.inner-table-column.col-author {
  display: flex;
  min-width: 250px;
  padding-right: 0px;
  justify-content: flex-start;
  flex-wrap: wrap;
  align-items: center;
  flex: 1;
}

.inner-table-column.fourmaterpiece-col-1 {
  width: 70%;
}

.table-content-b {
  color: #7a7a7a;
}

.inner-content-box {
  overflow: visible;
  margin-bottom: 20px;
  border-style: solid;
  border-width: 3px;
  border-color: #00b7be;
  border-radius: 15px;
  background-color: #d7eff1;
}

.inner-content-box.c-cat-4 {
  border-color: #f15d5d;
  background-color: #fcecec;
}

.table-data-wrap {
  position: relative;
  display: flex;
  padding-top: 15px;
  padding-bottom: 15px;
  justify-content: flex-start;
  align-items: center;
  flex: 1;
}

.self-study-handbook-item {
  width: 25%;
  margin-bottom: 20px;
  padding-right: 10px;
  padding-left: 10px;
}

.card-item-info-b {
  padding: 5px 10px;
  text-align: center;
}

.filter-download-row {
  display: flex;
  margin-bottom: 20px;
  justify-content: space-between;
  align-items: center;
}

.filter-dropdown-item-b {
  padding-right: 2px;
  padding-left: 2px;
}

.filter-dropdown-toggle {
  position: relative;
  z-index: 10;
  display: flex;
  overflow: hidden;
  width: 159px;
  height: 59px;
  padding: 0px 20px;
  justify-content: space-between;
  align-items: center;
  background-image: url('../images/s-filter-dropdown-red.svg');
  background-position: 50% 50%;
  background-size: contain;
  background-repeat: no-repeat;
  transition: color 500ms ease;
  color: #f15d5d;
  font-weight: 500;
  text-align: center;
  white-space: normal;
}

.filter-dropdown-toggle.w--open {
  background-image: url('../images/s-filter-dropdown-red-active.svg');
}

.filter-dropdown-toggle.v-recommended-book {
  width: 350px;
  height: 50px;
  border-style: solid;
  border-width: 2px;
  border-color: #f15d5d;
  border-radius: 5px;
  background-color: #ffe2c9;
  background-image: none;
}

.filter-dropdown-arrow {
  position: relative;
  width: 15px;
  height: 15px;
  margin-left: 5px;
  flex: 0 0 auto;
  background-image: url('../images/s-filter-dropdown-red-arrow.svg');
  background-position: 50% 50%;
  background-size: contain;
  background-repeat: no-repeat;
}

.filter-dropdown {
  z-index: 10;
  display: block;
}

.filter-dropdown-item-gp {
  position: relative;
  z-index: 1;
  display: flex;
  margin-right: -2px;
  margin-left: -2px;
  flex-wrap: wrap;
  flex: 1;
}

.filter-dropdown-list {
  overflow: hidden;
}

.filter-dropdown-list.w--open {
  left: 0%;
  top: auto;
  right: auto;
  bottom: 0%;
  margin-bottom: 20px;
  background-color: transparent;
  transform: translate(0px, 100%);
}

.filter-dropdown-list-wrap {
  margin-right: 5px;
  margin-left: 5px;
  padding-top: 22px;
  padding-bottom: 10px;
  border-style: solid;
  border-width: 2px;
  border-color: #f15d5d;
  border-radius: 8px;
  background-color: #ff7f71;
}

.filter-dropdown-list-wrap.v-recommended-book {
  margin-right: 0px;
  margin-left: 0px;
}

.filter-dropdown-link {
  padding: 10px 20px;
  background-color: hsla(0, 0%, 100%, 0);
  transition: background-color 500ms ease;
  color: #fff;
  font-weight: 500;
  text-align: center;
  white-space: normal;
}

.filter-dropdown-link:hover {
  background-color: hsla(0, 0%, 100%, 0.2);
}

.filter-dropdown-link.w--current {
  color: #fff;
}

.table-txt-site-name {
  width: 100%;
}

.table-ch-num {
  margin-right: 5px;
  flex: 0 0 auto;
}

.table-ch-name {
  min-width: 100px;
}

.media-desktop-3-item {
  width: 33.3%;
  margin-bottom: 20px;
  padding-right: 10px;
  padding-left: 10px;
}

.recommended-book-list {
  margin-bottom: 40px;
}

.rb-item {
  display: flex;
  margin-bottom: 20px;
  padding: 20px 15px;
  justify-content: flex-start;
  flex-wrap: nowrap;
  align-items: flex-start;
  border-radius: 15px;
  background-color: #fff;
  box-shadow: 1px 1px 4px 0 rgba(0, 0, 0, 0.1);
  font-weight: 400;
}

.rb-col-txt {
  flex: 1;
}

.rb-col-img {
  position: relative;
  width: 25%;
  max-width: 190px;
  margin-right: 10px;
  margin-bottom: 10px;
  margin-left: 20px;
}

.rb-img-b {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
}

.rb-title-b {
  position: relative;
  display: inline-block;
  margin-bottom: 20px;
  margin-left: -20px;
  padding: 15px;
  border-top-right-radius: 5px;
  border-bottom-right-radius: 5px;
  background-color: #f15d5d;
  box-shadow: 1px 1px 4px 0 rgba(0, 0, 0, 0.1);
  color: #fff;
  font-size: 24px;
  line-height: 28px;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.recommended-book-title-deco {
  position: absolute;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  width: 5px;
  transform: translate(0px, -100%);
}

.recommended-book-item-info-b {
  display: flex;
  margin-right: -10px;
  margin-bottom: -30px;
  margin-left: -10px;
  justify-content: flex-start;
  flex-wrap: wrap;
  align-items: flex-start;
}

.recommended-book-item-info-item {
  width: 100%;
  margin-bottom: 30px;
  padding-right: 10px;
  padding-left: 10px;
}

.recommended-book-item-info-item.col-level {
  width: 33.3%;
}

.recommended-book-item-info-item.col-author-editor {
  width: 33.3%;
}

.recommended-book-item-info-item.col-publisher {
  width: 33.3%;
}

.rb-item-info-fieldname {
  margin-bottom: 5px;
  font-weight: 700;
}

.rb-img-shadow {
  position: absolute;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  width: 100%;
  height: 100%;
  margin-top: 10px;
  margin-left: 10px;
  border-radius: 10px;
  background-color: #f19300;
}

.recommended-book-paging {
  display: flex;
  padding-top: 20px;
  justify-content: space-between;
  flex-wrap: wrap;
  border-top: 2px solid #f19300;
  font-size: 20px;
  line-height: 22px;
}

.btn-paging {
  display: flex;
  padding: 5px 15px;
  justify-content: center;
  align-items: center;
  border-radius: 20px;
  background-color: #fff;
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2);
  transition: background-color 500ms ease;
  color: #0083be;
  font-size: 20px;
  line-height: 24px;
  font-weight: 500;
}

.btn-paging:hover {
  background-color: #dff2fc;
}

.arrow-btn-paging {
  width: 12px;
  height: 12px;
  margin-left: 10px;
  background-image: url('../images/arrow-page-next.svg');
  background-position: 50% 50%;
  background-size: contain;
  background-repeat: no-repeat;
}

.arrow-btn-paging.v-prev {
  margin-right: 10px;
  margin-left: 0px;
  background-image: url('../images/arrow-page-prev.svg');
}

.rb-paging-field-b {
  display: flex;
  margin-right: 10px;
  margin-left: 10px;
  justify-content: center;
  align-items: center;
}

.form-txt-field {
  margin-bottom: 0px;
  padding: 8px 15px;
  border: 1px none #000;
  border-radius: 20px;
  background-color: #e0f1f9;
}

.form-txt-field.v-paging {
  width: 60px;
  height: 35px;
  margin-left: 15px;
  color: #5b5b5b;
  font-size: 20px;
  line-height: 22px;
  text-align: center;
}

.form-txt-field.v-paging::-moz-placeholder {
  color: #5b5b5b;
}

.form-txt-field.v-paging::-ms-input-placeholder {
  color: #5b5b5b;
}

.form-txt-field.v-paging::placeholder {
  color: #5b5b5b;
}

.card-item-info-row {
  margin-bottom: 5px;
}

.card-item-info-row.v-book-ch {
  display: flex;
  justify-content: center;
  align-items: center;
}

.card-item-info-row.v-bottom-0 {
  margin-bottom: 0px;
}

.card-item-minor-txt.v-ch {
  margin-left: 10px;
}

.listing-title-bar {
  margin-bottom: 30px;
  margin-left: -24px;
  padding: 8px 20px 8px 65px;
  border-radius: 0px 1000px 1000px 0px;
  background-color: #fff;
  background-image: url('../images/s-icon-listing.svg');
  background-position: 24px 50%;
  background-size: 26px;
  background-repeat: no-repeat;
  box-shadow: 1px 1px 4px 0 rgba(0, 0, 0, 0.1);
  color: #f15d5d;
  font-size: 20px;
  line-height: 24px;
  font-weight: 500;
}

.listing-title-bar.v-detail-link {
  display: block;
  margin-bottom: 0px;
  margin-left: 0px;
  padding-left: 60px;
  border-radius: 1000px 0px 0px 1000px;
  background-position: 20px 50%;
  transition: background-color 500ms ease;
}

.listing-title-bar.v-detail-link:hover {
  background-color: #fff7fc;
}

.table-txt-author-name {
  width: 100%;
  margin-bottom: 10px;
}

.table-txt-author-school {
  width: 100%;
  font-size: 15px;
  line-height: 21px;
}

.table-txt-author-form {
  width: 100%;
  font-size: 15px;
  line-height: 21px;
}

.junior-author-bubble-b {
  margin-top: 30px;
  transform-origin: 130px 100%;
}

.junior-author-bubble-box {
  padding: 20px 40px;
  border-radius: 40px;
  background-color: #008cce;
  color: #fff;
  line-height: 29px;
  font-weight: 400;
  text-align: center;
}

.ja-bubble-contact-link {
  transition: color 500ms ease;
  color: #fff;
  font-weight: 700;
}

.ja-bubble-contact-link:hover {
  color: #65afe8;
}

.ja-bubble-tip {
  width: 70px;
  margin-left: 130px;
}

.ja-detail-title-b {
  margin-bottom: 25px;
  padding-bottom: 25px;
  border-bottom: 2px solid #f19300;
  color: #7a7a7a;
  text-align: center;
}

.ja-detail-txt-title {
  margin-bottom: 25px;
  font-size: 30px;
  line-height: 40px;
  font-weight: 700;
}

.ja-detail-txt-title.color-blue {
  color: #008cce;
}

.ja-detail-txt-author {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 30px;
}

.ja-detail-txt-school {
  margin-bottom: 5px;
}

.ja-detail-content-b {
  font-weight: 400;
}

.ja-detail-content-img-b {
  overflow: hidden;
  border-radius: 20px;
  box-shadow: 1px 1px 6px 0 rgba(0, 0, 0, 0.2);
}

.btn-enlarge {
  display: flex;
  justify-content: center;
  align-items: center;
  transition: color 500ms ease;
  color: #5b5b5b;
  font-weight: 700;
}

.btn-enlarge:hover {
  color: #7a7a7a;
}

.enlarge-b {
  display: flex;
  margin-top: 5px;
  justify-content: flex-end;
}

.btn-enlarge-icon {
  width: 44px;
  margin-top: 8px;
}

.ja-detail-listing-b {
  position: absolute;
  left: auto;
  top: 0%;
  right: 0%;
  bottom: auto;
  margin-top: 40px;
  margin-right: -4px;
}

.pop-img-enlarge {
  display: none;
}

.img-enlarge-b {
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 1px 1px 6px 0 rgba(0, 0, 0, 0.2);
}

.author-garden-wrap {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
}

.author-garden-listing-col {
  position: -webkit-sticky;
  position: sticky;
  top: 150px;
  overflow: auto;
  width: 18%;
  max-height: 80vh;
  padding-right: 15px;
  padding-bottom: 150px;
}

.author-garden-listing-col.v-pop {
  display: flex;
  overflow: visible;
  width: auto;
  max-height: none;
  margin-right: -10px;
  margin-left: -10px;
  padding-right: 0px;
  padding-bottom: 0px;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
}

.author-garden-list-item-b {
  margin-bottom: 10px;
}

.author-garden-list-item-b.v-pop {
  width: 16.6%;
  padding-right: 10px;
  padding-left: 10px;
}

.author-listing-link {
  display: block;
  padding: 6px 5px;
  border-radius: 5px 15px;
  background-color: #00b7be;
  box-shadow: 0 2px 6px 0 rgba(0, 0, 0, 0.2);
  color: #fff;
  font-size: 18px;
  line-height: 22px;
  font-weight: 700;
  text-align: center;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.author-listing-link.list-color-2 {
  background-color: #3f8eca;
}

.author-listing-link.list-color-3 {
  background-color: #f6901e;
}

.author-listing-link.list-color-4 {
  background-color: #f15d5d;
}

.author-listing-link.list-color-5 {
  background-color: #74b749;
}

.author-listing-link.list-color-6 {
  background-color: #7a86be;
}

.author-listing-link.list-color-7 {
  background-color: #25b17f;
}

.author-listing-link.list-color-8 {
  background-color: #e5c110;
}

.author-listing-link.list-color-9 {
  background-color: #e95098;
}

.author-garden-content-col {
  padding-left: 15px;
  flex: 1;
  border-left: 2px solid #f19300;
}

.ag-title-row {
  margin-bottom: 20px;
  text-align: center;
}

.ag-title-b {
  display: inline-block;
  padding: 2px 30px;
  border-radius: 5px 20px;
  background-color: #00b7be;
  box-shadow: 0 2px 6px 0 rgba(0, 0, 0, 0.2);
  color: #fff;
  font-size: 30px;
  line-height: 40px;
  font-weight: 900;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.ag-section-menu-b {
  display: inline-block;
  margin-top: 20px;
  padding: 6px 20px;
  justify-content: center;
  align-items: center;
  border-radius: 1000px;
  background-color: #fff;
  box-shadow: 1px 1px 4px 0 rgba(0, 0, 0, 0.1);
  font-size: 20px;
  line-height: 24px;
}

.ag-section-menu-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}

.ag-section-menu-item {
  padding-right: 20px;
  padding-left: 20px;
}

.ag-menu-link {
  transition: color 500ms ease;
  color: #5b5b5b;
}

.ag-menu-link:hover {
  color: #0083be;
}

.ag-content-gp {
  margin-bottom: 40px;
  font-weight: 400;
}

.ag-content-gp-title-b {
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #f19300;
  font-size: 20px;
  line-height: 24px;
  font-weight: 500;
}

.ag-author-b {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
}

.ag-author-txt-b {
  flex: 1;
}

.ag-author-img-b {
  overflow: hidden;
  width: 23%;
  margin-left: 15px;
  order: 1;
  border: 5px solid #fff;
  border-radius: 15px;
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2);
}

.ag-detail-content-img-b {
  overflow: hidden;
  border-radius: 20px;
  box-shadow: 1px 1px 6px 0 rgba(0, 0, 0, 0.2);
}

.expand-collapse-item-b {
  position: relative;
  margin-bottom: 5px;
}

.expand-collapse-click {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  padding: 10px 15px 10px 50px;
  border-radius: 5px;
  background-color: #389cda;
  background-image: url('../images/s-dot-expand-collapse.svg');
  background-position: 20px 50%;
  background-size: 10px;
  background-repeat: no-repeat;
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2);
  transition: background-color 500ms ease;
  color: #fff;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.expand-collapse-click:hover {
  background-color: #0d50b1;
}

.expand-collapse-click.ec-collapse {
  position: absolute;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  display: none;
  opacity: 0;
}

.ec-click-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ec-click-icon {
  width: 30px;
}

.ec-expand-b {
  overflow: hidden;
  margin-right: 5px;
  margin-left: 5px;
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
  background-color: #fff;
  box-shadow: 0 2px 8px 0 rgba(0, 0, 0, 0.2);
}

.ec-expand-wrap {
  padding: 15px;
}

.pop-img-enlarge-2 {
  display: none;
}

.ag-recommend-title-b {
  position: relative;
  display: inline-block;
  margin-bottom: 20px;
  margin-left: -20px;
  padding: 5px 15px;
  border-top-right-radius: 5px;
  border-bottom-right-radius: 5px;
  background-color: #f15d5d;
  box-shadow: 1px 1px 4px 0 rgba(0, 0, 0, 0.1);
  color: #fff;
  font-size: 16px;
  line-height: 24px;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.ag-recommend-col-txt {
  flex: 1;
}

.ag-recommend-item {
  display: flex;
  margin-bottom: 20px;
  padding: 20px 15px;
  justify-content: flex-start;
  flex-wrap: nowrap;
  align-items: flex-start;
  border-radius: 15px;
  background-color: #fff;
  box-shadow: 1px 1px 4px 0 rgba(0, 0, 0, 0.1);
  font-weight: 400;
}

.ag-recommend-col-img {
  position: relative;
  width: 25%;
  max-width: 190px;
  margin-right: 10px;
  margin-bottom: 10px;
  margin-left: 20px;
}

.ag-recommend-img-shadow {
  position: absolute;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  width: 100%;
  height: 100%;
  margin-top: 10px;
  margin-left: 10px;
  border-radius: 10px;
  background-color: #f19300;
}

.ag-recommend-img-b {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
}

.ag-recommended-book-title-deco {
  position: absolute;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  width: 5px;
  transform: translate(0px, -100%);
}

.btn-ag-list-mobile {
  display: none;
}

.pop-author-garden-list {
  display: none;
}

.font-body {
  font-size: 17px;
  line-height: 23px;
}

.home-banner-news-flag {
  position: static;
  left: auto;
  top: auto;
  right: 0%;
  bottom: 0%;
  width: 68px;
  margin-left: 5px;
  flex: 0 0 auto;
}

.nav-submenu-tip {
  position: absolute;
  left: 50%;
  top: auto;
  right: auto;
  bottom: 0%;
  display: none;
  width: 30px;
  height: 15px;
  background-image: url('../images/nav-submenu-tip.svg');
  background-position: 0px 0px;
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0;
  transform: translate(-50%, 100%);
}

.ec-news-title-wrap {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex: 1;
}

.ec-news-txt-date {
  width: 100px;
}

.ec-news-txt-title {
  flex: 1;
}

.margin-bottom-20 {
  margin-bottom: 20px;
}

.common-bg-img {
  position: fixed;
  display: block;
  width: 100vw;
  height: 100vh;
  background-image: url('../images/bg-clouds2x.png');
  background-position: 50% 100%;
  background-size: 100%;
  background-repeat: no-repeat;
}

.home-news-title {
  margin-bottom: 2vw;
  font-size: 5vw;
  line-height: 5.1vw;
  font-weight: 500;
  letter-spacing: 1vw;
  text-shadow: 1px 1px 8px rgba(0, 0, 0, 0.5);
}

.news-btn-b {
  position: relative;
  left: auto;
  top: auto;
  right: 0%;
  bottom: 0%;
  margin-top: 20px;
  margin-bottom: 15px;
  padding-right: 20px;
  text-align: right;
}

.btn-rounded {
  padding: 5px 30px;
  border-radius: 1000px;
  background-color: #fff;
  box-shadow: 1px 1px 4px 0 rgba(0, 0, 0, 0.2);
  transition: color 500ms ease, background-color 500ms ease;
  color: #0d50b1;
  font-weight: 400;
}

.btn-rounded:hover {
  background-color: #0d50b1;
  box-shadow: none;
  color: #fff;
}

.btn-rounded.v-home-news {
  padding-right: 20px;
  padding-left: 20px;
  box-shadow: none;
}

.news-plane-1 {
  position: absolute;
  left: auto;
  top: 0%;
  right: 0%;
  bottom: auto;
  width: 50px;
  height: 50px;
  margin-top: 15px;
  background-image: url('../images/home-news-plane-1.svg');
  background-position: 50% 50%;
  background-size: contain;
  background-repeat: no-repeat;
}

.news-plane-2 {
  position: absolute;
  left: 0%;
  top: auto;
  right: auto;
  bottom: 0%;
  width: 90px;
  height: 90px;
  margin-left: -70px;
  background-image: url('../images/home-news-plane-2.svg');
  background-position: 50% 50%;
  background-size: contain;
  background-repeat: no-repeat;
}

.news-plane-3 {
  position: absolute;
  left: auto;
  top: auto;
  right: 0%;
  bottom: 0%;
  width: 50px;
  height: 50px;
  margin-right: -10px;
  margin-bottom: 60px;
  background-image: url('../images/home-news-plane-3.svg');
  background-position: 50% 50%;
  background-size: contain;
  background-repeat: no-repeat;
}

.link-oldsite {
  margin-right: 20px;
  flex: 0 0 auto;
  transition: color 500ms ease;
  color: #727171;
}

.link-oldsite:hover {
  color: #3b3b3b;
}

.link-oldsite.desktop-only {
  margin-right: 30px;
  font-size: 15px;
  line-height: 20px;
}

.link-oldsite-content {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.link-oldsite-icon {
  width: 16px;
  height: 16px;
  margin-right: 5px;
  flex: 0 0 auto;
  background-image: url('../images/icon-oldsite2x.png');
  background-position: 50% 50%;
  background-size: contain;
  background-repeat: no-repeat;
}

.btn-oldsite-txt {
  border-bottom: 1px solid #5b5b5b;
}

.btn-ebook-assignment {
  position: relative;
  display: block;
  padding: 4px;
  border-radius: 15px;
  background-image: linear-gradient(0deg, rgba(18, 210, 218, 0.7), #009fa5);
  color: #fff;
  font-size: 30px;
  line-height: 40px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.btn-ebok-assign-content-b {
  display: flex;
  height: 200px;
  padding: 20px;
  justify-content: center;
  align-items: center;
  border-radius: 13px;
  background-color: #fff;
  background-image: linear-gradient(180deg, rgba(18, 210, 218, 0.7), rgba(0, 159, 165, 0.7) 99%);
  text-align: center;
}

.common-icon-new-item {
  position: absolute;
  left: 0%;
  top: 0%;
  right: auto;
  bottom: auto;
  width: 36px;
  height: 36px;
  transform: translate(-50%, -50%);
}

.common-icon-new-item.v-grid {
  margin-top: 5px;
  margin-left: 5px;
  transform: none;
}

.common-icon-new-item.v-home {
  margin-top: 0px;
  margin-left: 0px;
  transform: none;
}

.img-new-item-icon {
  display: block;
  width: 100%;
}

.inner-filter-b {
  display: block;
  justify-content: flex-start;
  align-items: stretch;
}

.filter-content-b {
  padding: 20px;
  flex: 1;
}

.filter-item-gp {
  display: flex;
  margin-right: -12px;
  margin-bottom: -15px;
  margin-left: -12px;
  justify-content: flex-start;
  flex-wrap: wrap;
  align-items: flex-start;
  flex: 1;
}

.filter-item {
  width: 25%;
  min-width: 185px;
  margin-bottom: 15px;
  padding-right: 12px;
  padding-left: 12px;
  font-weight: 500;
}

.filter-radio-btn-label {
  display: flex;
  min-height: 40px;
  padding-top: 9px;
  padding-bottom: 10px;
  padding-left: 45px;
  align-items: flex-start;
  background-image: url('../images/checkbox-filter-blue.svg');
  background-position: 0% 0%;
  background-size: 40px;
  background-repeat: no-repeat;
  color: #5b5b5b;
  font-weight: 500;
}

.filter-radio-btn-label:hover {
  background-image: url('../images/checkbox-filter-blue-active.svg');
}

.filter-radio-btn-label.w--current {
  background-image: url('../images/checkbox-filter-blue-active.svg');
}

.filter-radio-btn-label.demo {
  text-decoration: underline;
}

.table-heading-b {
  display: flex;
  margin-bottom: 10px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.eph-browser-txt {
  margin-top: 10px;
  color: #5b5b5b;
  font-size: 17px;
  text-align: left;
}

.common-txt-link-2 {
  transition: color 500ms ease;
}

.common-txt-link-2:hover {
  color: #0d50b1;
}

.common-txt-link-2.white {
  color: #fff;
}

.common-txt-link-2.white:hover {
  color: hsla(0, 0%, 100%, 0.5);
}

html.w-mod-js *[data-ix="common-fade-from-bottom"] {
  opacity: 0;
  transform: translate(0px, 50px);
}

html.w-mod-js *[data-ix="home-banner-interaction"] {
  opacity: 0;
}

html.w-mod-js *[data-ix="category-b-interaction"] {
  opacity: 0;
  transform: translate(0px, 50px);
}

html.w-mod-js *[data-ix="slide-from-top"] {
  opacity: 0;
  transform: translate(0px, -100%);
}

html.w-mod-js *[data-ix="slide-from-bottom"] {
  opacity: 0;
  transform: translate(0px, 100%);
}

html.w-mod-js *[data-ix="deco-move-1"] {
  opacity: 0;
  transform: scale(1.1, 1.1);
}

html.w-mod-js *[data-ix="deco-move-2"] {
  opacity: 0;
  transform: scale(1.1, 1.1);
}

html.w-mod-js *[data-ix="deco-move-3"] {
  opacity: 0;
  transform: translate(-100%, 0px);
}

html.w-mod-js *[data-ix="deco-move-4"] {
  opacity: 0;
  transform: translate(0px, -100%);
}

html.w-mod-js *[data-ix="deco-inner-chara-blue-move"] {
  transform: translate(0px, 100%);
}

html.w-mod-js *[data-ix="deco-inner-chara-orange-move"] {
  transform: translate(0px, -100%);
}

html.w-mod-js *[data-ix="deco-before-chara-orange-move-2"] {
  transform: translate(0px, -100%);
}

html.w-mod-js *[data-ix="inner-heading-interaction"] {
  opacity: 0;
  transform: translate(0px, 50px);
}

html.w-mod-js *[data-ix="rb-item-interaction"] {
  opacity: 0;
  transform: translate(0px, 30px);
}

html.w-mod-js *[data-ix="ja-bubble-interaction"] {
  opacity: 0;
  transform: scale(0.1, 0.1);
}

@media screen and (min-width: 1280px) {
  .brand {
    max-width: 130px;
    margin-right: 30px;
  }

  .brand.v-i_love_learning {
    max-width: 90px;
  }

  .header-btn-graphic {
    width: 238px;
    margin-left: 40px;
  }

  .nav-menu {
    margin-right: -40px;
    margin-left: -40px;
  }

  .container {
    padding-right: 40px;
    padding-left: 40px;
  }

  .btn-login {
    margin-left: 30px;
  }

  .header-loggedin-gp {
    margin-left: -20px;
  }

  .nav-submenu-item-b {
    width: 12.5%;
  }

  .nav-link {
    font-size: 26px;
    line-height: 30px;
  }

  .nav-menu-wrap {
    height: 100px;
  }

  .nav-submenu-box {
    padding: 40px;
  }

  .img-header-ribbon {
    height: 55px;
  }

  .all {
    padding-top: 220px;
  }

  .nav-link-icon {
    width: 90px;
    margin-left: 0px;
  }

  .nav-link-ribbon-b {
    padding-left: 22px;
  }

  .home-news-list-mask {
    height: 130px;
  }

  .home-banner-news-b {
    padding-top: 30px;
  }

  .home-banner-slider-mask {
    border-bottom-left-radius: 100px;
  }

  .home-banner-news-list {
    max-height: 200px;
    margin-right: 0px;
    margin-left: 0px;
  }

  .home-systemtool-slide {
    width: 16.666666666666668%;
  }

  .home-deco-chara-blue {
    width: 121px;
    margin-top: -52px;
  }

  .home-cat-list {
    margin-top: 30px;
  }

  .home-cat-col {
    margin-bottom: 50px;
  }

  .home-cat-col.col-cat-1 {
    width: 30%;
  }

  .home-cat-col.col-cat-2 {
    width: 70%;
  }

  .home-cat-col.col-cat-3 {
    width: 40%;
  }

  .home-cat-col.col-cat-4 {
    width: 60%;
  }

  .catagory-link-item {
    width: 16.6%;
    padding-right: 10px;
    padding-left: 10px;
  }

  .catagory-link-item.cat-1-col {
    width: 50%;
  }

  .catagory-link-item.cat-2-col {
    width: 50%;
  }

  .catagory-link-item.cat-2-col {
    width: 16.6%;
  }

  .catagory-link-item.cat-3-col {
    width: 50%;
  }

  .catagory-link-item.cat-4-col {
    width: 25%;
  }

  .catagory-link-list {
    margin-right: -10px;
    margin-left: -10px;
  }

  .catagory-title-b {
    margin-left: 0px;
    padding-left: 25px;
  }

  .cat-icon {
    width: 120px;
  }

  .home-cat-deco.sec-2 {
    width: 120px;
    margin-top: -50px;
    margin-right: 100px;
  }

  .home-cat-deco.sec-3 {
    margin-top: -40px;
    margin-right: 40px;
  }

  .home-cat-deco.before-chara-blue {
    margin-top: -28px;
    margin-right: 60px;
  }

  .home-cat-deco.sec-4-2 {
    width: 200px;
    margin-right: -30px;
    margin-bottom: -100px;
  }

  .home-cat-deco.after-chara-blue {
    margin-top: -45px;
    margin-right: 60px;
  }

  .home-cat-deco.after-chara-lime {
    width: 150px;
    margin-top: -70px;
  }

  .home-cat-deco.inner-chara-lime {
    width: 150px;
    margin-top: -70px;
  }

  .home-cat-deco.inner-chara-orange {
    margin-right: 20%;
  }

  .home-cat-deco.sec-4-1 {
    width: 80px;
    margin-right: 120px;
  }

  .home-cat-deco.sec-2-2 {
    width: 80px;
    margin-top: -50px;
    margin-right: 100px;
  }

  .notification-b {
    margin-top: 220px;
  }

  .common-content-col-l {
    padding-right: 20px;
  }

  .common-content-col-l.v-home {
    padding-right: 30px;
  }

  .content-col-r-img-link {
    display: block;
  }

  .common-content-col-r {
    width: 28%;
  }

  .inner-col-l-box {
    padding-right: 25px;
    padding-left: 25px;
  }

  .inner-table-row {
    padding-right: 3%;
    padding-left: 3%;
  }

  .table-col-btn {
    flex-wrap: wrap;
  }

  .inner-table-b {
    font-size: 21px;
    line-height: 25px;
  }

  .inner-table-column.col-book {
    width: 150px;
  }

  .inner-table-column.col-chapter {
    width: 150px;
  }

  .inner-table-column.col-upload-date {
    width: 150px;
  }

  .inner-table-column.col-article-name {
    width: 250px;
  }

  .filter-dropdown-item-b {
    padding-right: 12px;
    padding-left: 12px;
  }

  .filter-dropdown-item-gp {
    margin-right: -12px;
    margin-left: -12px;
  }

  .rb-item {
    padding-right: 20px;
    padding-left: 20px;
  }

  .rb-title-b {
    margin-left: -25px;
    padding-right: 20px;
    padding-left: 20px;
  }

  .table-txt-author-school {
    font-size: 17px;
    line-height: 23px;
  }

  .table-txt-author-form {
    font-size: 17px;
    line-height: 23px;
  }

  .author-garden-listing-col {
    top: 190px;
    width: 20%;
    padding-right: 20px;
    padding-bottom: 190px;
  }

  .author-listing-link {
    font-size: 20px;
    line-height: 24px;
  }

  .author-garden-content-col {
    padding-left: 20px;
  }

  .ag-section-menu-item {
    padding-right: 25px;
    padding-left: 25px;
  }

  .ag-content-gp {
    margin-bottom: 40px;
  }

  .ec-expand-wrap {
    padding: 20px;
  }

  .ag-recommend-title-b {
    margin-left: -25px;
    padding-right: 20px;
    padding-left: 20px;
  }

  .ag-recommend-item {
    padding-right: 20px;
    padding-left: 20px;
  }

  .home-news-title {
    margin-bottom: 20px;
    font-size: 64px;
    line-height: 66px;
    letter-spacing: 12px;
  }

  .news-btn-b {
    margin-top: 40px;
    margin-right: 0px;
  }

  .news-plane-3 {
    margin-right: -20px;
    margin-bottom: 68px;
  }

  .link-oldsite.desktop-only {
    font-size: 17px;
    line-height: 23px;
  }

  .link-oldsite-icon {
    width: 22px;
    height: 22px;
  }
}

@media screen and (max-width: 991px) {
  body {
    background-size: 991px;
  }

  .header {
    height: 80px;
  }

  .nav-submenu-dropdown {
    display: block;
    padding-top: 5px;
    padding-bottom: 5px;
    text-align: center;
  }

  .brand.v-onlineclass {
    margin-right: 0px;
  }

  .brand.v-i_love_learning {
    width: 60px;
    max-width: none;
  }

  .header-btn-graphic {
    margin-left: 0px;
  }

  .header-btn-graphic.v-logout {
    margin-left: 20px;
  }

  .desktop-hide {
    display: block;
  }

  .nav-menu {
    position: fixed;
    left: 0%;
    top: 0%;
    right: auto;
    bottom: auto;
    overflow: auto;
    width: 100vw;
    height: 100vh;
    margin-right: 0vw;
    margin-left: 0vw;
    padding-top: 80px;
    padding-right: 3vw;
    padding-left: 3vw;
    background-color: #dff1fb;
    font-size: 16px;
    line-height: 20px;
  }

  .nav-submenu-dropdown-list {
    position: relative;
    left: 0%;
    top: 0%;
    right: auto;
    bottom: auto;
    z-index: 100;
    width: 90vw;
    margin-bottom: 0px;
    border-radius: 15px;
    background-color: #fff;
    transform: none;
  }

  .nav-link-item {
    padding-right: 0px;
    padding-left: 0px;
    justify-content: center;
    align-items: center;
    border-top: 2px solid #fff;
    text-align: center;
  }

  .nav-link-item.v-last {
    border-bottom: 2px solid #fff;
  }

  .btn-menu-line {
    width: 100%;
    height: 4px;
    padding: 0px 8px;
    border-radius: 5px 20px 0px 5px;
    background-color: #0083be;
  }

  .btn-menu-line.btn-menu-line-2 {
    margin-top: 5px;
    margin-bottom: 5px;
  }

  .container {
    padding-right: 3vw;
    padding-left: 3vw;
  }

  .img-full.inner-chara-orange {
    margin-top: -38px;
  }

  .btn-login {
    width: auto;
    height: auto;
    margin-right: auto;
    margin-left: auto;
    padding: 16px 15px 16px 60px;
    background-position: 5px 50%;
    background-size: 40px;
  }

  .header-loggedin-gp {
    display: none;
  }

  .header-bg {
    position: absolute;
    left: 0%;
    top: 0%;
    right: auto;
    bottom: auto;
    z-index: 1;
    display: block;
    width: 100%;
    height: 100%;
    background-color: #fff;
  }

  .header-loggedin-link-gp {
    margin-top: 20px;
    justify-content: center;
  }

  .header-l-b {
    padding-right: 0px;
    flex: 0 auto;
  }

  .header-account-b {
    margin-top: 0px;
    margin-bottom: 20px;
    justify-content: space-between;
    order: 1;
  }

  .nav-submenu-item-gp {
    justify-content: center;
  }

  .header-r-b {
    display: block;
    justify-content: flex-start;
  }

  .nav-link {
    display: flex;
    margin-right: 0px;
    margin-left: 0px;
    justify-content: flex-start;
    font-size: 20px;
    line-height: 24px;
    text-align: center;
  }

  .submenu-row-title {
    display: none;
    width: 100px;
    margin-right: 15px;
    padding-right: 15px;
    font-size: 16px;
    line-height: 20px;
  }

  .btn-menu {
    position: absolute;
    left: auto;
    top: 50%;
    right: 0%;
    bottom: auto;
    z-index: 1;
    width: 40px;
    margin-right: 3vw;
    padding: 0px;
    background-color: transparent;
    transform: translate(0px, -50%);
  }

  .btn-menu.w--open {
    background-color: transparent;
  }

  .nav-menu-wrap {
    display: block;
    height: auto;
    padding: 30px 0vw;
  }

  .header-top-b {
    position: relative;
    z-index: 1;
    height: 80px;
    padding-top: 0px;
    justify-content: flex-start;
    align-items: center;
  }

  .nav-submenu-box {
    margin-top: 0px;
    padding: 20px 0px;
    background-color: transparent;
  }

  .img-header-ribbon {
    display: none;
    height: 80px;
  }

  .all {
    padding-top: 80px;
    padding-bottom: 60px;
  }

  .all.v-before-login {
    padding-bottom: 0px;
  }

  .nav-link-wrap {
    position: relative;
    height: auto;
    padding-left: 0px;
  }

  .nav-link-icon {
    width: 55px;
  }

  .nav-link-txt {
    display: block;
    margin-top: 0px;
    margin-left: 0px;
    font-size: 16px;
    line-height: 20px;
    letter-spacing: 0px;
  }

  .nav-link-ribbon-b {
    position: relative;
    width: 100%;
    padding-left: 0px;
  }

  .common-slider.home-system-tool {
    padding-right: 40px;
    padding-left: 40px;
  }

  .home-news-list-mask {
    display: none;
  }

  .home-banner-l-b {
    width: 100%;
    padding-right: 0px;
  }

  .home-banner-news-b {
    width: 100%;
    min-width: 0px;
    margin-left: 0vw;
    padding: 30px 3vw;
  }

  .home-banner-slider-mask {
    border-bottom-right-radius: 50px;
  }

  .home-banner-news-list {
    max-height: 300px;
    margin-right: 0px;
    margin-left: 0px;
    padding-bottom: 30px;
  }

  .home-banner-news-list.scroll-bar {
    max-height: none;
    padding-bottom: 0px;
  }

  .home-banner-wrap {
    display: block;
  }

  .popup-login {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .home-systemtool-slide {
    width: 33.333333333333336%;
  }

  .common-slider-arrow {
    width: 40px;
    height: 54px;
  }

  .btn-top {
    bottom: 80px;
  }

  .btn-top.v-before-login {
    bottom: 30px;
  }

  .footer-link-gp {
    justify-content: center;
    align-items: center;
  }

  .section-footer {
    padding-top: 25px;
  }

  .footer-r-b {
    width: auto;
    text-align: center;
  }

  .footer-link-item {
    margin-left: 0px;
    padding-right: 10px;
    padding-left: 10px;
  }

  .footer-l-b {
    width: auto;
    margin-bottom: 20px;
    justify-content: space-between;
  }

  .footer-wrap {
    display: block;
  }

  .home-news-heading {
    padding-bottom: 20px;
  }

  .blackboard-separator {
    position: relative;
    width: 100%;
    height: 20px;
    background-image: url('../images/s-home-blackboard-edge-bottom2x.png');
  }

  .blackboard-bottom-bar {
    margin-bottom: -9px;
  }

  .catagory-link-item {
    padding-right: 1vw;
    padding-left: 1vw;
  }

  .catagory-link {
    width: auto;
    max-width: 110px;
    min-width: 0px;
  }

  .catagory-link-list {
    margin-right: -1vw;
    margin-left: -1vw;
  }

  .common-catagory-box {
    margin-top: 30px;
  }

  .catagory-title-b {
    padding-left: 5px;
    font-size: 26px;
    line-height: 28px;
  }

  .cat-icon {
    width: 80px;
  }

  .img-cat-ribbon {
    height: 60px;
  }

  .cat-ribbon-txt {
    margin-top: -6px;
    margin-left: 0px;
  }

  .home-cat-deco.sec-2 {
    width: 80px;
    margin-bottom: -35px;
  }

  .home-cat-deco.sec-3 {
    width: 70px;
  }

  .home-cat-deco.before-chara-blue {
    width: 100px;
    margin-top: -60px;
  }

  .home-cat-deco.sec-4-2 {
    width: 140px;
    margin-bottom: -50px;
  }

  .home-cat-deco.after-chara-blue {
    width: 80px;
    margin-top: -60px;
  }

  .home-cat-deco.reccommand-chara {
    width: 90px;
    margin-bottom: -35px;
    margin-left: 0px;
  }

  .home-cat-deco.frequent-chara {
    width: 80px;
    margin-right: 0px;
    margin-bottom: -35px;
  }

  .home-cat-deco.after-chara-lime {
    width: 120px;
  }

  .home-cat-deco.inner-chara-blue {
    width: 110px;
    margin-bottom: -35px;
    margin-left: 0px;
  }

  .home-cat-deco.inner-chara-lime {
    width: 120px;
  }

  .home-cat-deco.inner-chara-orange {
    width: 120px;
  }

  .home-cat-deco.sec-4-1 {
    margin-right: -15px;
  }

  .home-cat-deco.sec-1 {
    left: auto;
    top: 0%;
    right: 0%;
    bottom: auto;
  }

  .home-cat-deco.sec-2-2 {
    width: 80px;
    margin-bottom: -35px;
  }

  .notification-b {
    margin-top: 80px;
  }

  .header-btn-account:hover {
    color: #f15d5d;
  }

  .desktop-only {
    display: none;
  }

  .common-content-wrap {
    display: block;
  }

  .common-content-col-l {
    width: auto;
    padding-right: 0px;
  }

  .logged-in-banner-b {
    max-width: 300px;
    margin-right: auto;
    margin-bottom: 30px;
    margin-left: auto;
  }

  .common-content-col-r {
    width: auto;
    margin-top: 60px;
    padding-left: 0px;
  }

  .sticky-btn-item {
    width: 50%;
    border-left: 1px solid #ddd;
  }

  .sticky-btn {
    display: flex;
    height: 60px;
    padding-right: 20px;
    padding-left: 20px;
    justify-content: center;
    align-items: center;
    transition: background-color 500ms ease;
    font-size: 20px;
    line-height: 24px;
    font-weight: 500;
  }

  .sticky-btn:hover {
    background-color: #f3f3f3;
  }

  .sticky-btn-gp {
    position: fixed;
    left: 0%;
    top: auto;
    right: auto;
    bottom: 0%;
    z-index: 1000;
    display: flex;
    width: 100%;
    justify-content: flex-start;
    border-top: 2px solid #0083be;
    background-color: #fff;
  }

  .sticky-btn-icon {
    width: 60px;
    margin-right: 15px;
    flex: 0 0 auto;
  }

  .btn-pop-close {
    margin-top: -20px;
  }

  .pop-frequent {
    display: none;
  }

  .popup-b {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .popup-b.popup-scroll.edit {
    display: block;
    opacity: 1;
  }

  .inner-col-l-box {
    padding-right: 15px;
    padding-bottom: 60px;
    padding-left: 15px;
  }

  .table-col-btn {
    width: 10%;
  }

  .font-size-21 {
    font-size: 17px;
    line-height: 23px;
  }

  .filter-dropdown-item-b {
    padding-right: 5px;
    padding-left: 5px;
  }

  .filter-dropdown-toggle {
    width: 140px;
    height: 52px;
    padding-right: 15px;
    padding-left: 15px;
  }

  .filter-dropdown-toggle.w--open {
    z-index: 10;
  }

  .filter-dropdown-toggle.v-recommended-book {
    width: 300px;
  }

  .filter-dropdown-arrow {
    width: 12px;
    height: 12px;
  }

  .filter-dropdown-item-gp {
    margin-right: -5px;
    margin-left: -5px;
  }

  .filter-dropdown-list.w--open {
    z-index: 9;
  }

  .rb-title-b {
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .listing-title-bar {
    margin-left: -15px;
  }

  .author-garden-listing-col {
    top: 140px;
    padding-bottom: 140px;
  }

  .author-garden-list-item-b.v-pop {
    width: 20%;
  }

  .expand-collapse-click {
    padding: 5px 10px 5px 40px;
    background-position: 15px 50%;
    background-size: 8px;
  }

  .ag-recommend-title-b {
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .nav-submenu-tip {
    left: 0%;
    display: block;
    height: 10px;
    margin-left: 50px;
    transform: none;
  }

  .home-news-title {
    margin-bottom: 30px;
    font-size: 40px;
    line-height: 42px;
  }

  .news-btn-b {
    position: relative;
    margin-right: 0vw;
    padding-right: 0px;
  }

  .news-plane-1 {
    margin-right: 30px;
  }

  .news-plane-2 {
    margin-left: 0px;
  }

  .news-plane-3 {
    margin-right: 0px;
    margin-bottom: 80px;
  }

  .link-oldsite {
    margin-right: 0px;
  }

  .inner-filter-b {
    font-size: 17px;
    line-height: 23px;
  }

  .filter-item {
    min-width: 150px;
    margin-bottom: 0px;
  }
}

@media screen and (max-width: 767px) {
  body {
    background-size: 797px;
    font-size: 15px;
    line-height: 20px;
  }

  .header {
    height: 70px;
  }

  .nav-submenu-dropdown {
    padding-top: 2px;
    padding-bottom: 2px;
  }

  .nav-menu {
    padding-top: 70px;
    padding-right: 5vw;
    padding-left: 5vw;
    font-size: 15px;
    line-height: 19px;
  }

  .nav-submenu-dropdown-list {
    width: 85vw;
  }

  .container {
    padding-right: 5vw;
    padding-left: 5vw;
  }

  .img-full.inner-chara-blue {
    margin-bottom: -20px;
  }

  .img-full.inner-chara-orange {
    margin-top: -35px;
  }

  .btn-login {
    padding-top: 10px;
    padding-bottom: 10px;
    padding-left: 45px;
    background-size: 30px;
  }

  .header-loggedin-link-gp {
    justify-content: center;
  }

  .header-account-b {
    margin-bottom: 15px;
  }

  .nav-submenu-item-b {
    width: 25%;
  }

  .nav-link {
    font-size: 17px;
    line-height: 23px;
  }

  .submenu-row-title {
    width: auto;
    margin-right: 0px;
    margin-bottom: 5px;
    padding-right: 0px;
    padding-bottom: 5px;
    border-bottom: 1px solid #006491;
    border-right-style: none;
  }

  .btn-menu {
    margin-right: 5vw;
  }

  .header-top-b {
    height: 70px;
  }

  .img-header-ribbon {
    height: 70px;
  }

  .all {
    padding-top: 70px;
  }

  .section-content.v-home-before-login {
    padding-top: 50px;
  }

  .section-content.v-home-after-login {
    padding-top: 30px;
  }

  .nav-link-txt {
    font-size: 15px;
    line-height: 19px;
  }

  .common-slider.home-system-tool {
    padding-right: 30px;
    padding-left: 30px;
  }

  .font-size-14 {
    font-size: 13px;
    line-height: 17px;
  }

  .home-banner-news-list {
    max-height: 200px;
  }

  .login-title-bar {
    font-size: 17px;
  }

  .login-form-row {
    margin-bottom: 10px;
    font-size: 15px;
    line-height: 20px;
  }

  .btn-login2 {
    font-size: 15px;
    line-height: 20px;
  }

  .login-box-content {
    padding-top: 20px;
    padding-bottom: 20px;
  }

  .popup-login {
    padding-top: 40px;
    padding-bottom: 60px;
  }

  .home-systemtool-slide {
    width: 50%;
  }

  .common-slider-arrow {
    width: 30px;
    height: 40px;
  }

  .btn-top {
    width: 45px;
    height: 45px;
  }

  .btn-top-icon {
    width: 18px;
    height: 12px;
  }

  .section-footer {
    padding-top: 30px;
    padding-bottom: 30px;
    font-size: 14px;
    line-height: 18px;
  }

  .footer-dropdown-list-wrap {
    max-height: 180px;
  }

  .home-news-heading {
    max-width: 150px;
  }

  .blackboard-edge-top {
    height: 14px;
  }

  .blackboard-edge-l {
    width: 14px;
  }

  .blackboard-edge-r {
    width: 14px;
  }

  .blackboard-separator {
    position: relative;
    width: 100%;
  }

  .blackboard-eraser {
    width: 70px;
    margin-right: 9%;
  }

  .blackboard-chalk {
    width: 40px;
    margin-right: 56%;
  }

  .home-deco-chara-blue {
    width: 80px;
  }

  .home-cat-list {
    display: block;
  }

  .home-cat-col {
    display: block;
    width: 100%;
    padding-right: 0px;
    padding-left: 0px;
  }

  .catagory-link-item {
    width: 25%;
    padding-right: 2vw;
    padding-left: 2vw;
  }

  .catagory-link-item.v-pop {
    width: 25%;
  }

  .catagory-link-list {
    margin-right: -2vw;
    margin-left: -2vw;
  }

  .common-catagory-box {
    padding-top: 50px;
  }

  .common-catagory-box.v-recommend {
    padding-bottom: 40px;
  }

  .common-catagory-box.v-frequent {
    padding-bottom: 40px;
  }

  .catagory-title-b {
    font-size: 24px;
    line-height: 26px;
  }

  .cate-learnmore-link {
    margin-top: 10px;
  }

  .home-cat-deco.sec-2 {
    margin-left: -24px;
  }

  .home-cat-deco.sec-3 {
    margin-left: -21px;
  }

  .home-cat-deco.before-chara-blue {
    width: 90px;
    margin-top: -34px;
  }

  .home-cat-deco.sec-4-2 {
    margin-bottom: -78px;
  }

  .home-cat-deco.after-chara-blue {
    width: 70px;
    margin-top: -23px;
  }

  .home-cat-deco.reccommand-chara {
    width: 80px;
    margin-left: -24px;
  }

  .home-cat-deco.frequent-chara {
    width: 60px;
    margin-bottom: -50px;
    margin-left: -24px;
  }

  .home-cat-deco.after-chara-lime {
    width: 100px;
    margin-top: -50px;
    margin-right: 0px;
  }

  .home-cat-deco.inner-chara-blue {
    width: 100px;
    margin-left: -24px;
  }

  .home-cat-deco.inner-chara-lime {
    width: 100px;
    margin-top: -50px;
    margin-right: 0px;
  }

  .home-cat-deco.inner-chara-orange {
    width: 100px;
    padding-right: 10px;
    padding-left: 10px;
  }

  .home-cat-deco.sec-4-1 {
    margin-right: 80px;
  }

  .home-cat-deco.sec-1 {
    width: 70px;
  }

  .home-cat-deco.sec-2-2 {
    margin-left: -24px;
  }

  .notification-b {
    margin-top: 70px;
  }

  .notification-slide-link-b {
    height: 40px;
  }

  .notification-heading {
    font-size: 16px;
    line-height: 20px;
  }

  .logged-in-content-b {
    padding-top: 40px;
  }

  .header-account-img-b {
    width: 30px;
  }

  .logged-in-banner-b {
    max-width: 250px;
  }

  .sticky-btn {
    font-size: 17px;
    line-height: 23px;
  }

  .sticky-btn-icon {
    margin-right: 10px;
  }

  .btn-pop-close {
    position: fixed;
    left: 50%;
    top: auto;
    right: auto;
    bottom: 0%;
    width: 30px;
    height: 30px;
    margin-top: 0px;
    margin-right: 0vw;
    margin-bottom: 40px;
    transform: translate(-50%, 0%);
  }

  .popup-b {
    padding-top: 40px;
    padding-bottom: 60px;
  }

  .inner-heading-b.v-ja-detail {
    padding-right: 180px;
  }

  .inner-heading-icon-b {
    width: 60px;
    height: 60px;
    margin-right: 15px;
  }

  .innerpage-heading {
    font-size: 24px;
    line-height: 30px;
  }

  .inner-col-l-box {
    margin-right: -5vw;
    margin-bottom: 50px;
    margin-left: -5vw;
    padding: 20px 5vw 50px;
  }

  .breadcrumb-b {
    margin-bottom: 30px;
    padding-right: 80px;
    font-size: 13px;
    line-height: 19px;
  }

  .table-btn-item {
    padding-left: 5px;
  }

  .inner-table-row {
    padding: 15px;
  }

  .table-col-btn {
    justify-content: flex-end;
    font-size: 15px;
    line-height: 21px;
  }

  .table-col-btn.v-2-col {
    min-width: 0px;
  }

  .table-col-btn.v-1-btn {
    width: auto;
    margin-left: 0px;
  }

  .table-btn-txt {
    display: none;
  }

  .table-btn.v-purple {
    font-size: 15px;
    line-height: 21px;
  }

  .font-size-21 {
    font-size: 15px;
    line-height: 20px;
  }

  .table-btn-icon {
    width: 24px;
    height: 24px;
  }

  .card-item-list-b {
    margin-right: -5px;
    margin-bottom: -15px;
    margin-left: -5px;
  }

  .table-header-b {
    display: none;
  }

  .table-header-b.mobile-show {
    display: block;
  }

  .inner-table-column {
    padding-right: 15px;
  }

  .inner-table-column.col-book {
    width: auto;
  }

  .inner-table-column.col-site {
    width: 100%;
    min-width: 0px;
    margin-top: 5px;
    flex-wrap: wrap;
    align-items: flex-start;
    flex: 0 auto;
    font-size: 17px;
    line-height: 23px;
  }

  .inner-table-column.col-chapter {
    display: flex;
    width: auto;
  }

  .inner-table-column.col-upload-date {
    width: auto;
    margin-bottom: 5px;
  }

  .inner-table-column.col-article-name {
    display: flex;
    width: 100%;
    font-size: 17px;
    line-height: 23px;
  }

  .inner-table-column.col-author {
    width: 100%;
    min-width: 0px;
    margin-top: 5px;
    flex-wrap: wrap;
    align-items: flex-start;
    flex: 0 auto;
    font-size: 17px;
    line-height: 23px;
  }

  .inner-content-box {
    overflow: hidden;
    margin-bottom: 10px;
  }

  .table-data-wrap {
    padding-top: 10px;
    padding-bottom: 10px;
    flex-wrap: wrap;
    font-size: 13px;
    line-height: 19px;
  }

  .self-study-handbook-item {
    width: 33.3%;
    margin-bottom: 15px;
    padding-right: 5px;
    padding-left: 5px;
  }

  .filter-download-row {
    display: block;
    margin-bottom: 10px;
  }

  .filter-dropdown-item-b {
    width: 25%;
  }

  .filter-dropdown-item-b.v-recommented-book {
    width: 100%;
  }

  .filter-dropdown-toggle {
    width: 100%;
    height: auto;
    padding: 5px 7px;
    border-style: solid;
    border-width: 2px;
    border-color: #f15d5d;
    border-radius: 5px;
    background-color: rgba(255, 226, 201, 0.65);
    background-image: none;
  }

  .filter-dropdown-toggle.w--open {
    background-color: #ffe2c9;
    background-image: none;
  }

  .filter-dropdown-toggle.v-recommended-book {
    width: 100%;
    height: 40px;
  }

  .filter-dropdown-item-gp {
    margin-bottom: 10px;
    justify-content: center;
  }

  .filter-dropdown-list-wrap {
    margin-right: 0px;
    margin-left: 0px;
    padding-top: 16px;
    padding-bottom: 8px;
  }

  .filter-dropdown-link {
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .table-ch-name {
    min-width: 0px;
  }

  .media-desktop-3-item {
    width: 50%;
    margin-bottom: 15px;
    padding-right: 5px;
    padding-left: 5px;
  }

  .rb-item {
    display: block;
  }

  .rb-col-img {
    width: auto;
    margin-top: 20px;
    margin-right: auto;
    margin-left: auto;
  }

  .rb-title-b {
    font-size: 21px;
    line-height: 23px;
  }

  .recommended-book-item-info-b {
    margin-bottom: -20px;
  }

  .recommended-book-item-info-item {
    margin-bottom: 20px;
  }

  .recommended-book-paging {
    padding-top: 15px;
    font-size: 17px;
    line-height: 21px;
  }

  .btn-paging {
    font-size: 17px;
    line-height: 21px;
  }

  .arrow-btn-paging {
    width: 10px;
    height: 10px;
    margin-left: 8px;
  }

  .arrow-btn-paging.v-prev {
    margin-right: 8px;
  }

  .form-txt-field.v-paging {
    height: 30px;
    font-size: 17px;
    line-height: 21px;
  }

  .card-item-minor-txt {
    font-size: 13px;
    line-height: 19px;
  }

  .listing-title-bar {
    margin-bottom: 15px;
    margin-left: -5vw;
    padding-top: 6px;
    padding-bottom: 6px;
    padding-left: 50px;
    background-position: 10px 50%;
    font-size: 17px;
    line-height: 23px;
  }

  .listing-title-bar.v-author-garden {
    margin-bottom: 0px;
    margin-left: 0vw;
    border-radius: 1000px;
    box-shadow: 1px 1px 8px 0 hsla(0, 0%, 50%, 0.3);
    transition: background-color 500ms ease;
    white-space: nowrap;
  }

  .listing-title-bar.v-author-garden:hover {
    background-color: #fff7fc;
  }

  .table-txt-author-name {
    margin-bottom: 5px;
  }

  .table-txt-author-school {
    width: auto;
    margin-right: 10px;
  }

  .table-txt-author-form {
    width: auto;
  }

  .junior-author-bubble-b {
    margin-top: 20px;
    transform-origin: 80px 100%;
  }

  .junior-author-bubble-box {
    padding-right: 30px;
    padding-left: 30px;
    border-radius: 30px;
    line-height: 23px;
  }

  .ja-bubble-tip {
    width: 50px;
    margin-left: 80px;
  }

  .ja-detail-title-b {
    margin-bottom: 15px;
    padding-bottom: 15px;
  }

  .ja-detail-txt-title.color-blue {
    margin-bottom: 15px;
    font-size: 24px;
    line-height: 30px;
  }

  .ja-detail-txt-author {
    font-size: 17px;
    line-height: 23px;
  }

  .ja-detail-txt-school {
    margin-bottom: 0px;
  }

  .btn-enlarge-icon {
    width: 35px;
    margin-top: 5px;
  }

  .ja-detail-listing-b {
    display: none;
    margin-top: 30px;
  }

  .author-garden-wrap {
    display: block;
  }

  .author-garden-listing-col {
    display: none;
    width: auto;
  }

  .author-garden-list-item-b.v-pop {
    width: 25%;
  }

  .author-garden-content-col {
    padding-left: 0px;
    border-left-style: none;
  }

  .ag-title-b {
    font-size: 24px;
    line-height: 30px;
  }

  .ag-section-menu-b {
    font-size: 17px;
    line-height: 23px;
  }

  .ag-content-gp-title-b {
    margin-bottom: 15px;
    padding-bottom: 5px;
    font-size: 17px;
    line-height: 23px;
  }

  .ag-author-b {
    display: block;
  }

  .ag-author-img-b {
    width: 80%;
    max-width: 120px;
    margin-right: auto;
    margin-bottom: 15px;
    margin-left: auto;
  }

  .expand-collapse-click {
    padding-left: 30px;
    background-position: 12px 50%;
    background-size: 6px;
  }

  .ec-click-icon {
    width: 20px;
  }

  .ag-recommend-title-b {
    font-size: 15px;
    line-height: 17px;
  }

  .ag-recommend-item {
    display: block;
  }

  .ag-recommend-col-img {
    width: auto;
    margin-top: 20px;
    margin-right: auto;
    margin-left: auto;
  }

  .btn-ag-list-mobile {
    position: fixed;
    left: 50%;
    top: auto;
    right: auto;
    bottom: 0%;
    z-index: 100;
    display: block;
    margin-bottom: 90px;
    transform: translate(-50%, 0px);
  }

  .font-body {
    font-size: 15px;
    line-height: 20px;
  }

  .home-banner-news-flag {
    width: 60px;
  }

  .mobile-full-w {
    margin-right: -5vw;
    margin-left: -5vw;
  }

  .common-bg-img {
    background-size: 150%;
  }

  .home-news-title {
    margin-bottom: 20px;
    font-size: 30px;
    line-height: 32px;
  }

  .btn-ebook-assignment {
    font-size: 24px;
    line-height: 30px;
  }

  .btn-ebok-assign-content-b {
    height: auto;
    padding-top: 30px;
    padding-bottom: 30px;
  }

  .common-icon-new-item {
    width: 25px;
    height: 25px;
  }

  .inner-filter-b {
    display: block;
    font-size: 15px;
    line-height: 20px;
  }

  .filter-content-b {
    padding: 10px;
  }

  .filter-item-gp {
    margin-right: -5px;
    margin-bottom: 0px;
    margin-left: -5px;
  }

  .filter-item {
    width: 50%;
    padding-right: 5px;
    padding-left: 5px;
  }

  .filter-radio-btn-label {
    min-height: 30px;
    padding-top: 7px;
    padding-bottom: 6px;
    padding-left: 35px;
    background-size: 30px;
  }

  .table-heading-b {
    margin-top: 20px;
  }
}

@media screen and (max-width: 479px) {
  body {
    background-size: 479px;
  }

  .brand {
    width: 100px;
    margin-right: 5px;
  }

  .brand.v-onlineclass {
    width: 85px;
  }

  .brand.v-i_love_learning {
    width: 45px;
  }

  .header-btn-graphic {
    margin-right: auto;
    margin-left: auto;
  }

  .header-btn-graphic.v-logout {
    margin-right: 0px;
    margin-left: 0px;
  }

  .img-full.inner-chara-blue {
    margin-bottom: -16px;
  }

  .header-loggedin-link-gp {
    display: block;
    margin-top: 10px;
  }

  .nav-submenu-item-b {
    width: 33.3%;
    padding-right: 3px;
    padding-left: 3px;
  }

  .nav-submenu-box {
    font-size: 14px;
    line-height: 18px;
  }

  .all {
    padding-bottom: 50px;
  }

  .home-banner-l-b {
    padding-right: 0vw;
  }

  .home-banner-news-date {
    margin-right: 20px;
  }

  .home-banner-news-date.v-first {
    margin-right: 7px;
  }

  .home-systemtool-slide {
    width: 100%;
  }

  .footer-logo-b {
    width: auto;
    max-width: 240px;
    margin-right: auto;
    margin-left: auto;
  }

  .footer-link-item {
    padding-right: 5px;
    padding-left: 5px;
  }

  .footer-dropdown-b {
    width: 100%;
    margin-top: 20px;
    margin-left: 0px;
  }

  .footer-l-b {
    display: block;
  }

  .home-deco-chara-blue {
    margin-left: 12vw;
  }

  .catagory-link-item {
    width: 33.3%;
  }

  .catagory-link-item.v-logged-in {
    width: 33.3%;
  }

  .catagory-link-item.v-pop {
    width: 33.3%;
  }

  .catagory-link {
    max-width: 100px;
  }

  .common-catagory-box {
    margin-top: 24px;
    padding-top: 40px;
  }

  .catagory-title-b {
    padding-left: 20px;
    font-size: 20px;
    line-height: 24px;
  }

  .img-cat-ribbon {
    height: 50px;
  }

  .home-cat-deco.sec-2 {
    width: 60px;
    margin-left: -13px;
  }

  .home-cat-deco.sec-3 {
    width: 60px;
    margin-bottom: -50px;
    margin-left: -12px;
  }

  .home-cat-deco.before-chara-blue {
    width: 80px;
    margin-right: 0px;
    margin-left: -13px;
  }

  .home-cat-deco.sec-4-2 {
    width: 120px;
    margin-right: 0px;
    margin-bottom: -30px;
  }

  .home-cat-deco.after-chara-blue {
    width: 70px;
  }

  .home-cat-deco.reccommand-chara {
    width: 70px;
    margin-left: -13px;
  }

  .home-cat-deco.after-chara-lime {
    left: auto;
    top: auto;
    right: 0%;
    bottom: 0%;
    width: 90px;
    margin-top: 0px;
    margin-bottom: -40px;
  }

  .home-cat-deco.inner-chara-blue {
    width: 90px;
  }

  .home-cat-deco.inner-chara-lime {
    margin-top: 0px;
    margin-bottom: -40px;
  }

  .home-cat-deco.inner-chara-orange {
    width: 90px;
  }

  .home-cat-deco.sec-4-1 {
    left: 0%;
    top: auto;
    right: auto;
    bottom: 0%;
    width: 50px;
    margin-right: 0px;
    margin-bottom: -30px;
    margin-left: 18px;
  }

  .home-cat-deco.sec-1 {
    width: 60px;
  }

  .home-cat-deco.sec-2-2 {
    width: 60px;
    margin-left: -13px;
  }

  .notification-heading {
    display: none;
  }

  .sticky-btn {
    height: 50px;
    padding-right: 2px;
    padding-left: 2px;
  }

  .sticky-btn-icon {
    width: 50px;
    margin-right: 5px;
  }

  .btn-pop-close {
    margin-bottom: 30px;
  }

  .inner-heading-b.v-ja-detail {
    padding-right: 0px;
  }

  .breadcrumb-b {
    margin-bottom: 20px;
    padding-right: 70px;
  }

  .table-col-btn.v-2-col {
    display: flex;
    width: 40%;
  }

  .table-content-b {
    overflow: hidden;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
  }

  .self-study-handbook-item {
    width: 50%;
  }

  .filter-dropdown-item-b {
    width: 50%;
    margin-bottom: 5px;
  }

  .media-desktop-3-item {
    width: 100%;
  }

  .recommended-book-item-info-item.col-level {
    width: 50%;
  }

  .recommended-book-item-info-item.col-author-editor {
    width: 50%;
  }

  .recommended-book-item-info-item.col-publisher {
    width: 100%;
  }

  .rb-paging-col-form {
    width: 100%;
    order: -1;
  }

  .listing-title-bar.v-detail-link {
    display: block;
    width: auto;
    margin-top: 0px;
  }

  .junior-author-bubble-b {
    transform-origin: 70px 100%;
  }

  .ja-bubble-tip {
    width: 40px;
    margin-left: 70px;
  }

  .ja-detail-listing-b {
    position: static;
    margin-top: 0px;
    margin-right: -5vw;
    margin-bottom: 20px;
  }

  .author-garden-listing-col.v-pop {
    margin-right: -5px;
    margin-left: -5px;
  }

  .author-garden-list-item-b {
    width: 33.3%;
  }

  .author-garden-list-item-b.v-pop {
    width: 33.3%;
    padding-right: 5px;
    padding-left: 5px;
  }

  .ag-section-menu-b {
    width: 100%;
    padding-right: 10px;
    padding-left: 10px;
  }

  .ag-section-menu-item {
    padding-right: 2.5vw;
    padding-left: 2.5vw;
  }

  .btn-ag-list-mobile {
    margin-bottom: 70px;
  }

  .nav-submenu-tip {
    height: 5px;
  }

  .ec-news-title-wrap {
    display: block;
  }

  .ec-news-txt-date {
    width: auto;
  }

  .common-icon-new-item {
    margin-top: 0px;
    margin-left: 0px;
  }

  .filter-item {
    min-width: 120px;
  }
}