body {
  padding: 0;
  margin: 0; }

.k12_body {
  padding: 0;
  margin: 0;
  line-height: 1.5;
  min-width: 320px;
  overflow: hidden;
  font-family: sans-serif, arial, verdana, Helvetica, Verdana, "Droid Sans", Arial; }
  .k12_body div, .k12_body p {
    box-sizing: border-box;
    font-weight: bold; }
  .k12_body a {
    text-decoration: none;
    cursor: pointer; }
  .k12_body ul {
    padding: 0; }
  .k12_body li {
    list-style: none;
    box-sizing: border-box; }
  .k12_body table, .k12_body td, .k12_body th {
    padding: 0;
    margin: 0;
    box-sizing: border-box; }

.k12_in {
  max-width: 1200px;
  margin: 0 auto; }

.br_pc {
  display: block; }
  @media screen and (max-width: 767px) {
    .br_pc {
      display: none; } }

.br_lt {
  display: none; }
  @media screen and (max-width: 1200px) {
    .br_lt {
      display: block; } }

.br_lr {
  display: none; }
  @media screen and (max-width: 1200px) {
    .br_lr {
      display: block; } }

.br_md {
  display: none; }
  @media screen and (max-width: 767px) {
    .br_md {
      display: block; } }

.br_sr {
  display: none; }
  @media screen and (max-width: 543px) {
    .br_sr {
      display: block; } }

.k12_title {
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%); }

.k12_header {
  position: relative;
  padding-top: 50px;
  padding-bottom: 40px;
  background-color: #F9EB7D; }
  @media screen and (max-width: 543px) {
    .k12_header {
      padding-top: 30px; } }
  .k12_header-yellow {
    position: absolute;
    bottom: -20px;
    left: 0;
    width: 100vw; }
    @media screen and (max-width: 543px) {
      .k12_header-yellow {
        bottom: 0; } }
  .k12_header-dot {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10; }
    @media screen and (max-width: 543px) {
      .k12_header-dot {
        display: none; } }
  .k12_header-dot-sp {
    display: none; }
    @media screen and (max-width: 543px) {
      .k12_header-dot-sp {
        position: absolute;
        top: -10px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 10;
        display: block;
        width: 110vw; } }
  .k12_header-top {
    position: relative;
    z-index: 20;
    max-width: 1200px;
    height: 450px;
    margin: 0 auto;
    padding-top: 500px; }
    @media screen and (max-width: 1200px) {
      .k12_header-top {
        height: auto;
        padding-top: 42vw; } }
    @media screen and (max-width: 543px) {
      .k12_header-top {
        margin-bottom: 20px;
        padding-top: 83vw; } }
  .k12_header-bg {
    position: absolute;
    top: 20px;
    left: 0;
    width: 90%; }
    @media screen and (max-width: 543px) {
      .k12_header-bg {
        display: none; } }
  .k12_header-bg-sp {
    display: none; }
    @media screen and (max-width: 543px) {
      .k12_header-bg-sp {
        position: absolute;
        top: 20px;
        left: 50%;
        transform: translateX(-50%);
        width: 100%;
        display: block; } }
  .k12_header-pop {
    position: absolute;
    top: -13px;
    left: 10px;
    max-width: 390px;
    width: 30vw; }
    @media screen and (max-width: 543px) {
      .k12_header-pop {
        width: 48vw; } }
  .k12_header-subtitle {
    position: absolute;
    top: 28%;
    left: 100px;
    z-index: 10;
    width: 530px; }
    @media screen and (max-width: 1200px) {
      .k12_header-subtitle {
        max-width: 530px;
        width: 48vw; } }
    @media screen and (max-width: 991px) {
      .k12_header-subtitle {
        top: 13vw;
        left: 9vw; } }
    @media screen and (max-width: 543px) {
      .k12_header-subtitle {
        left: 50%;
        transform: translateX(-50%);
        width: 247px; } }
  .k12_header-title {
    position: absolute;
    top: 50%;
    left: 28px;
    max-width: 680px;
    width: 100%;
    transform: translateY(-50%);
    z-index: 10; }
    @media screen and (max-width: 1200px) {
      .k12_header-title {
        max-width: 680px;
        width: 60vw; } }
    @media screen and (max-width: 991px) {
      .k12_header-title {
        top: 22vw; } }
    @media screen and (max-width: 543px) {
      .k12_header-title {
        top: 18vw;
        left: 50%;
        transform: translateX(-50%);
        width: 309px; } }
  .k12_header-family {
    position: absolute;
    top: 50px;
    right: 0;
    max-width: 511px;
    width: 50vw; }
    @media screen and (max-width: 1200px) {
      .k12_header-family {
        width: 40vw; } }
    @media screen and (max-width: 543px) {
      .k12_header-family {
        display: none; } }
  .k12_header-family-sp {
    display: none; }
    @media screen and (max-width: 543px) {
      .k12_header-family-sp {
        position: absolute;
        top: auto;
        right: auto;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        display: block;
        width: 90vw; } }
  .k12_header-headphone {
    position: absolute;
    top: 18%;
    left: -60px;
    max-width: 90px; }
    @media screen and (max-width: 1200px) {
      .k12_header-headphone {
        left: -30px;
        width: 10vw;
        z-index: 1; } }
    @media screen and (max-width: 543px) {
      .k12_header-headphone {
        top: 100px;
        left: 10px;
        width: 15vw; } }
  .k12_header-camera {
    position: absolute;
    top: -30px;
    right: 8%;
    max-width: 80px; }
    @media screen and (max-width: 1200px) {
      .k12_header-camera {
        width: 7vw; } }
    @media screen and (max-width: 543px) {
      .k12_header-camera {
        top: 100px;
        width: 12vw; } }
  .k12_header-books {
    position: absolute;
    bottom: 0;
    left: 80px;
    max-width: 140px; }
    @media screen and (max-width: 1200px) {
      .k12_header-books {
        width: 10vw; } }
    @media screen and (max-width: 767px) {
      .k12_header-books {
        bottom: -60px; } }
    @media screen and (max-width: 543px) {
      .k12_header-books {
        left: 5vw;
        width: 15vw; } }
  .k12_header-pc {
    position: absolute;
    right: -40px;
    bottom: -50px;
    max-width: 180px; }
    @media screen and (max-width: 1200px) {
      .k12_header-pc {
        right: 10px;
        width: 12vw; } }
    @media screen and (max-width: 767px) {
      .k12_header-pc {
        bottom: -100px; } }
    @media screen and (max-width: 543px) {
      .k12_header-pc {
        right: 5vw;
        width: 16vw; } }
  .k12_header-bottom {
    position: relative;
    z-index: 20;
    max-width: 1200px;
    margin: 0 auto; }
  .k12_header-tabs {
    display: flex;
    justify-content: space-between; }
    @media screen and (max-width: 543px) {
      .k12_header-tabs {
        flex-direction: column; } }
  .k12_header-tab {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 48%;
    height: 70px;
    margin-bottom: 50px;
    border: 4px solid #d93715;
    border-bottom: 10px solid #d93715;
    border-radius: 30px;
    color: #d93715;
    background-color: #fff; }
    @media screen and (max-width: 543px) {
      .k12_header-tab {
        width: 90%;
        height: 60px;
        margin: 0 auto 15px;
        border: 3px solid #d93715;
        border-bottom: 8px solid #d93715;
        border-radius: 20px; } }
    .k12_header-tab:after {
      position: absolute;
      right: 30px;
      content: '';
      display: block;
      border-top: 10px solid #d93715;
      border-right: 8px solid transparent;
      border-left: 8px solid transparent; }
      @media screen and (max-width: 543px) {
        .k12_header-tab:after {
          border-top: 7px solid #d93715;
          border-right: 5px solid transparent;
          border-left: 5px solid transparent; } }
  .k12_header .k12_border-red {
    border: 4px solid #d93715;
    border-bottom: 10px solid #d93715;
    border-radius: 30px;
    color: #d93715; }
    @media screen and (max-width: 767px) {
      .k12_header .k12_border-red {
        border: 3px solid #d93715;
        border-bottom: 8px solid #d93715;
        border-radius: 20px; } }
    .k12_header .k12_border-red:after {
      position: absolute;
      right: 30px;
      content: '';
      display: block;
      border-top: 10px solid #d93715;
      border-right: 8px solid transparent;
      border-left: 8px solid transparent; }
      @media screen and (max-width: 543px) {
        .k12_header .k12_border-red:after {
          border-top: 7px solid #d93715;
          border-right: 5px solid transparent;
          border-left: 5px solid transparent; } }
  .k12_header .k12_border-green {
    border: 4px solid #62af25;
    border-bottom: 10px solid #62af25;
    border-radius: 30px;
    color: #62af25; }
    @media screen and (max-width: 767px) {
      .k12_header .k12_border-green {
        border: 3px solid #62af25;
        border-bottom: 8px solid #62af25;
        border-radius: 20px; } }
        /*
    .k12_header .k12_border-green:before {
      position: absolute;
      top: 54%;
      left: 50%;
      z-index: 10;
      transform: translate(-50%, -50%);
      display: flex;
      justify-content: center;
      align-items: center;
      width: 100%;
      height: 100%;
      border-radius: 30px;
      border: 4px solid rgba(0, 0, 0, 0.6);
      border-bottom: 10px solid rgba(0, 0, 0, 0.6);
      content: 'Coming Soon';
      color: #fff;
      font-size: 20px;
      background-color: rgba(0, 0, 0, 0.6); }
*/
      /*
      @media screen and (max-width: 767px) {
        .k12_header .k12_border-green:before {
          top: 53%;
          border: 3px solid rgba(0, 0, 0, 0.6);
          border-bottom: 9px solid rgba(0, 0, 0, 0.6);
          border-radius: 20px; } }
*/
    .k12_header .k12_border-green:after {
      position: absolute;
      right: 30px;
      content: '';
      display: block;
      border-top: 8px solid transparent;
      border-bottom: 8px solid transparent;
      border-left: 10px solid #62af25; }
      @media screen and (max-width: 543px) {
        .k12_header .k12_border-green:after {
          border-top: 5px solid transparent;
          border-bottom: 5px solid transparent;
          border-left: 7px solid #62af25; } }
  .k12_header-tab-yellow {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 422px;
    height: 62px;
    margin: 0 auto;
    text-align: center;
    border-radius: 20px;
    color: #fff;
    background-color: #62af25; }
    @media screen and (max-width: 543px) {
      .k12_header-tab-yellow {
        width: 90%;
        height: 50px; } }
    .k12_header-tab-yellow:before {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      display: flex;
      justify-content: center;
      align-items: center;
      width: 100%;
      height: 100%;
      border-radius: 20px;
      content: 'Coming Soon';
      font-size: 20px;
      background-color: rgba(0, 0, 0, 0.6); }
    .k12_header-tab-yellow:after {
      position: absolute;
      right: 30px;
      content: '';
      display: block;
      border-top: 5px solid transparent;
      border-bottom: 5px solid transparent;
      border-left: 5px solid #fff; }

@media screen and (max-width: 543px) {
  .k12_introduce {
    padding: 0 10px; } }

.k12_introduce-top {
  position: relative;
  padding-top: 320px; }
  @media screen and (max-width: 543px) {
    .k12_introduce-top {
      padding-top: 180px; } }

.k12_introduce-dot {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20; }
  @media screen and (max-width: 543px) {
    .k12_introduce-dot {
      display: none; } }

.k12_introduce-dot-sp {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: none; }
  @media screen and (max-width: 543px) {
    .k12_introduce-dot-sp {
      display: block;
      width: calc(100% + 40px); } }

.k12_introduce-title {
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 30; }
  @media screen and (max-width: 543px) {
    .k12_introduce-title {
      top: 20px;
      min-width: 308px;
      width: 65vw; } }

.k12_introduce-subtitle {
  position: absolute;
  top: 230px;
  left: 50%;
  transform: translateX(-50%); }
  @media screen and (max-width: 543px) {
    .k12_introduce-subtitle {
      top: 30vw;
      width: 100%;
      text-align: center;
      font-size: 13px; } }

.k12_introduce-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto; }

.k12_introduce-item {
   position:relative  ;/*  20200621 add  */
  flex-shrink: 1;
  max-width: 350px;
  width: 100%;
  margin: 0 auto 30px; }
  @media screen and (max-width: 991px) {
    .k12_introduce-item {
      width: 48%;
      margin-bottom: 20px; } }
  .k12_introduce-item img {
    width: 100%;
    cursor: pointer; }

@media screen and (max-width: 769px) {
.k12_introduce-item  .k12_youtubeBtn{
    position: absolute;
    top: 22vw;
    left: 18vw;
    width: 10vw;}
    }
@media screen and (min-width: 770px) {
.k12_introduce-item  .k12_youtubeBtn{
    position: absolute;
    top: 160px;
    left: 40%;
    width: 80px;}
    }


.k12_introduce .k12_tit {
  font-size: 26px;
  font-weight: bold;
  margin: 15px 0 15px 0;
  line-height: 1; }
  @media screen and (max-width: 543px) {
    .k12_introduce .k12_tit {
      font-size: 16px;

      } }

.k12_introduce .K12_tag {
  font-size: 14px;
  color: #929292;
  margin: 0 0 15px 0;
  line-height: 1; }
  @media screen and (max-width: 543px) {
    .k12_introduce .K12_tag {
      font-size: 10px; } }

.k12_introduce .K12_text {
  font-size: 17px; }
  @media screen and (max-width: 543px) {
    .k12_introduce .K12_text {
      font-size: 11px; } }

.k12_modal {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.8);
  cursor: pointer;
  visibility: hidden;
  opacity: 0;
  transition: opacity 1s, visibility 1s; }

.k12_modal__wrap {
  width: 100%;
  height: 100%;
  position: relative; }

.k12_modal__list {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  visibility: hidden; }

.k12_show {
  opacity: 1;
  visibility: visible; }

.k12_btn {
  position: absolute;
  top: -25px;
  right: -25px;
  z-index: 30000;
  color: #fff;
  width: 50px;
  height: 50px; }
  .k12_btn img {
    width: 100%;
    height: 100%; }
  @media screen and (max-width: 767px) {
    .k12_btn {
      top: initial;
      right: initial;
      bottom: -60px;
      left: 50%;
      transform: translateX(-50%); } }

#js-modal-item-1 {
  width: 800px;
  height: 450px; }
  @media screen and (max-width: 991px) {
    #js-modal-item-1 {
      width: 90vw;
      height: 50vw; } }

#js-modal-item-2 {
  width: 800px;
  height: 450px; }
  @media screen and (max-width: 991px) {
    #js-modal-item-2 {
      width: 90vw;
      height: 50vw; } }

#js-modal-item-3 {
  width: 800px;
  height: 450px; }
  @media screen and (max-width: 991px) {
    #js-modal-item-3 {
      width: 90vw;
      height: 50vw; } }

#js-modal-item-4 {
  width: 800px;
  height: 450px; }
  @media screen and (max-width: 991px) {
    #js-modal-item-4 {
      width: 90vw;
      height: 50vw; } }

#js-modal-item-5 {
  width: 800px;
  height: 450px; }
  @media screen and (max-width: 991px) {
    #js-modal-item-5 {
      width: 90vw;
      height: 50vw; } }

#js-modal-item-6 {
  width: 800px;
  height: 450px; }
  @media screen and (max-width: 991px) {
    #js-modal-item-6 {
      width: 90vw;
      height: 50vw; } }

#js-modal-item-7 {
  width: 800px;
  height: 450px; }
  @media screen and (max-width: 991px) {
    #js-modal-item-7 {
      width: 90vw;
      height: 50vw; } }

#js-modal-item-8 {
  width: 800px;
  height: 450px; }
  @media screen and (max-width: 991px) {
    #js-modal-item-8 {
      width: 90vw;
      height: 50vw; } }

#js-modal-item-9 {
  width: 800px;
  height: 450px; }
  @media screen and (max-width: 991px) {
    #js-modal-item-9 {
      width: 90vw;
      height: 50vw; } }

#js-modal-item-10 {
  width: 800px;
  height: 450px; }
  @media screen and (max-width: 991px) {
    #js-modal-item-10 {
      width: 90vw;
      height: 50vw; } }

.k12_recommend {
  background-image: url(./images/recommend-bg.png); }
  .k12_recommend-top {
    position: relative;
    padding-top: 500px; }
    @media screen and (max-width: 767px) {
      .k12_recommend-top {
        padding-top: calc(63vw + (80px - 10vw)); } }
  .k12_recommend-dot {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20; }
    @media screen and (max-width: 767px) {
      .k12_recommend-dot {
        display: none; } }
    .k12_recommend-dot-sp {
      position: absolute;
      top: -5px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 20;
      display: none; }
      @media screen and (max-width: 767px) {
        .k12_recommend-dot-sp {
          display: block;
          width: calc(100vw + 40px); } }
  .k12_recommend-pop {
    position: absolute;
    top: 330px;
    left: 50%;
    transform: translateX(-50%); }
    @media screen and (max-width: 767px) {
      .k12_recommend-pop {
        top: calc(27vw + (80px - 10vw));
        width: 40vw; } }
  .k12_recommend-title {
    position: absolute;
    top: 150px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 30; }
    @media screen and (max-width: 767px) {
      .k12_recommend-title {
        top: 54px;
        min-width: 308px;
        width: 65vw; } }
  .k12_recommend-subtitle {
    position: absolute;
    top: 420px;
    left: 50%;
    transform: translateX(-50%); }
    @media screen and (max-width: 767px) {
      .k12_recommend-subtitle {
        display: none; } }
    .k12_recommend-subtitle-sp {
      display: none; }
      @media screen and (max-width: 767px) {
        .k12_recommend-subtitle-sp {
          position: absolute;
          top: calc(39vw + (80px - 10vw));
          left: 50%;
          transform: translateX(-50%);
          display: block;
          width: 90%; } }
  .k12_recommend-wrap {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding-bottom: 60px; }
  .k12_recommend-tabs {
    display: flex;
    justify-content: space-between;
    max-width: 905px;
    width: 100%;
    margin: 0 auto; }
    @media screen and (max-width: 991px) {
      .k12_recommend-tabs {
        width: 90vw; } }
    @media screen and (max-width: 767px) {
      .k12_recommend-tabs {
        justify-content: center; } }
    .k12_recommend-tabs li {
      position: relative;
      width: 33%;
      height: 81px;
      cursor: pointer; }
      @media screen and (max-width: 767px) {
        .k12_recommend-tabs li {
          width: initial;
          margin: 0 5px; } }
      @media screen and (max-width: 543px) {
        .k12_recommend-tabs li {
          height: 17vw;
          margin: 0 2px; } }
    .k12_recommend-tabs .tab-active {
      position: relative;
      top: -30px;
      z-index: 10; }
  .k12_recommend-tab {
    display: block; }
    @media screen and (max-width: 991px) {
      .k12_recommend-tab {
        width: 30vw; } }
    @media screen and (max-width: 767px) {
      .k12_recommend-tab {
        display: none; } }
    .k12_recommend-tab-active {
      display: block; }
      @media screen and (max-width: 991px) {
        .k12_recommend-tab-active {
          width: 30vw; } }
      @media screen and (max-width: 767px) {
        .k12_recommend-tab-active {
          display: none; } }
  .k12_recommend-tab-sp {
    display: none; }
    @media screen and (max-width: 767px) {
      .k12_recommend-tab-sp {
        display: block;
        width: 150px; } }
    @media screen and (max-width: 543px) {
      .k12_recommend-tab-sp {
        width: 30vw; } }
    .k12_recommend-tab-sp-active {
      display: none; }
      @media screen and (max-width: 767px) {
        .k12_recommend-tab-sp-active {
          display: block;
          width: 150px; } }
      @media screen and (max-width: 543px) {
        .k12_recommend-tab-sp-active {
          width: 30vw; } }
  .k12_recommend-list {
    margin: 0 auto;
    max-width: 99.999%;
    position: relative; }
  .k12_recommend-item {
    visibility: hidden;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    width: 100%;
    height: auto;
    padding: 30px 50px;
    border-radius: 30px; }
    @media screen and (max-width: 767px) {
      .k12_recommend-item {
        padding: 30px 20px;
        border-radius: 0; } }
  .k12_recommend-item1 {
    background-color: #69b32e; }
  .k12_recommend-item2 {
    background-color: #1ca0d1;
    position: absolute;
    top: 0;
    left: 0; }
  .k12_recommend-item3 {
    background-color: #ee7529;
    position: absolute;
    top: 0;
    left: 0; }
  .k12_recommend-card {
    max-width: 1100px;
    width: 100%;
    border: 5px solid #fff;
    border-radius: 30px;
    background-color: #fff; }
    .k12_recommend-card .k12_top {
      position: relative;
      height: 145px;
      padding-top: 145px;
      border-radius: 27px 27px 0 0; }
      @media screen and (max-width: 991px) {
        .k12_recommend-card .k12_top {
          padding-top: calc(215px + 10vw); } }
      @media screen and (max-width: 543px) {
        .k12_recommend-card .k12_top {
          padding-top: calc(115px + 10vw); } }
    .k12_recommend-card .k12_bg_green {
      background-color: #22ac38; }
    .k12_recommend-card .k12_bg_blue {
      background-color: #0081cc; }
    .k12_recommend-card .k12_bg_orange {
      background-color: #e65528; }
    .k12_recommend-card .k12_mark {
      position: absolute;
      top: -20px; }
    .k12_recommend-card .mark_green {
      left: 100px;
      width: 134px; }
      @media screen and (max-width: 991px) {
        .k12_recommend-card .mark_green {
          width: calc(34% + (100px - 18vw)); } }
      @media screen and (max-width: 767px) {
        .k12_recommend-card .mark_green {
          left: 5%;
          min-width: 125px; } }
      @media screen and (max-width: 543px) {
        .k12_recommend-card .mark_green {
          left: 5%;
          min-width: 125px;
          width: calc(34% + (100px - 24vw)); } }
    .k12_recommend-card .mark_blue {
      width: 186px;
      left: 50px; }
      @media screen and (max-width: 991px) {
        .k12_recommend-card .mark_blue {
          width: calc(44% + (100px - 10vw)); } }
      @media screen and (max-width: 767px) {
        .k12_recommend-card .mark_blue {
          left: 5%;
          min-width: 125px; } }
      @media screen and (max-width: 543px) {
        .k12_recommend-card .mark_blue {
          left: -18px;
          min-width: 125px;
          width: calc(50% + (100px - 21vw)); } }
    .k12_recommend-card .mark_orange {
      width: 186px;
      left: 50px; }
      @media screen and (max-width: 991px) {
        .k12_recommend-card .mark_orange {
          width: calc(44% + (100px - 10vw)); } }
      @media screen and (max-width: 767px) {
        .k12_recommend-card .mark_orange {
          left: 5%;
          min-width: 125px; } }
      @media screen and (max-width: 543px) {
        .k12_recommend-card .mark_orange {
          left: -18px;
          min-width: 125px;
          width: calc(50% + (100px - 21vw)); } }
    .k12_recommend-card .k-title {
      position: absolute;
      bottom: -43px;
      right: 30px; }
      @media screen and (max-width: 991px) {
        .k12_recommend-card .k-title {
          right: auto;
          left: 50%;
          transform: translateX(-50%); } }
      @media screen and (max-width: 767px) {
        .k12_recommend-card .k-title {
          width: 92%;
          bottom: -7vw; } }
      @media screen and (max-width: 543px) {
        .k12_recommend-card .k-title {
          bottom: -5vw; } }
    .k12_recommend-card .k12_marks {
      position: absolute;
      top: 50%;
      right: 35px;
      transform: translateY(-50%);
      z-index: 30;
      display: flex;
      justify-content: start;
      align-items: center;
      background-color: rgba(0, 0, 0, 0); }
      @media screen and (max-width: 991px) {
        .k12_recommend-card .k12_marks {
          right: 4%;
          flex-direction: column;
          align-items: flex-end; } }
    .k12_recommend-card .k12_long {
      display: inline-block;
      max-width: 240px;
      min-width: 180px;
      width: 18vw;
      margin-right: 7px; }
      @media screen and (max-width: 991px) {
        .k12_recommend-card .k12_long {
          display: none; } }
    .k12_recommend-card .k12_long-sp {
      display: none; }
      @media screen and (max-width: 991px) {
        .k12_recommend-card .k12_long-sp {
          display: block;
          min-width: 90px;
          width: 30vw;
          margin-right: 0;
          margin-bottom: 10px;
          order: 2; } }
    .k12_recommend-card .k12_smile {
      display: block;
      max-width: 190px;
      min-width: 90px;
      width: 16vw;
      margin-right: 40px; }
      @media screen and (max-width: 991px) {
        .k12_recommend-card .k12_smile {
          width: 30vw;
          margin-right: 0;
          margin-bottom: 10px;
          order: 3; } }
    .k12_recommend-card .windows {
      display: block;
      max-width: 130px;
      min-width: 90px;
      width: 17vw; }
      @media screen and (max-width: 991px) {
        .k12_recommend-card .windows {
          order: 1;
          margin-bottom: 20px; } }
    .k12_recommend-card .k12_icons_wrap {
      display: flex;
      flex-wrap: nowrap;
      padding-top: 50px;
      padding-bottom: 20px; }
      @media screen and (max-width: 767px) {
        .k12_recommend-card .k12_icons_wrap {
          flex-direction: column;
          padding-top: calc(45px + 1vw);
          padding-bottom: 30px; } }
    .k12_recommend-card .k12_icons_top {
      width: 55%; }
      @media screen and (max-width: 767px) {
        .k12_recommend-card .k12_icons_top {
          width: 95%; } }
    .k12_recommend-card .k12_icons_bottom {
      width: 45%; }
      @media screen and (max-width: 767px) {
        .k12_recommend-card .k12_icons_bottom {
          width: 80%;
          padding-top: 0; } }
    .k12_recommend-card .k12_icons {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-around;
      flex-wrap: wrap;
      margin: 0 auto; }
    .k12_recommend-card .k12_icon {
      width: 90px; }
      @media screen and (max-width: 1200px) {
        .k12_recommend-card .k12_icon {
          max-width: 90px;
          width: 8vw; } }
      @media screen and (max-width: 767px) {
        .k12_recommend-card .k12_icon {
          min-width: 45px;
          width: 15vw; } }
      .k12_recommend-card .k12_icon img {
        width: 100%; }
      .k12_recommend-card .k12_icon .k12_width85 {
        max-width: 85px !important;
        margin-left: 2px; }
        @media screen and (max-width: 1200px) {
          .k12_recommend-card .k12_icon .k12_width85 {
            width: 7vw; } }
        @media screen and (max-width: 767px) {
          .k12_recommend-card .k12_icon .k12_width85 {
            width: 12vw; } }
      .k12_recommend-card .k12_icon .k12_width110 {
        max-width: 110px !important;
        margin-left: -10px; }
        @media screen and (max-width: 1200px) {
          .k12_recommend-card .k12_icon .k12_width110 {
            width: 9vw; } }
        @media screen and (max-width: 767px) {
          .k12_recommend-card .k12_icon .k12_width110 {
            margin-left: -5px;
            width: 15vw; } }
      .k12_recommend-card .k12_icon .k12_width135 {
        max-width: 135px !important;
        width: 135px;
        margin-left: -25px; }
        @media screen and (max-width: 1200px) {
          .k12_recommend-card .k12_icon .k12_width135 {
            width: 10vw;
            margin-left: -12px; } }
        @media screen and (max-width: 767px) {
          .k12_recommend-card .k12_icon .k12_width135 {
            margin-left: -3vw;
            width: 20.5vw; } }
    .k12_recommend-card .k12_dot {
      background-position: bottom;
      background-size: 5px 1px;
      background-repeat: repeat-x;
      width: 97%;
      height: 1px;
      display: block;
      margin: 0 auto 40px; }
    .k12_recommend-card .k12_dot_green {
      background-image: linear-gradient(to right, #69b32e 40%, rgba(255, 255, 255, 0) 10%); }
    .k12_recommend-card .k12_dot_blue {
      background-image: linear-gradient(to right, #1ca0d1 40%, rgba(255, 255, 255, 0) 10%); }
    .k12_recommend-card .k12_dot_orange {
      background-image: linear-gradient(to right, #ee7529 40%, rgba(255, 255, 255, 0) 10%); }
  .k12_recommend .k12_pc_list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    width: 100%;
    margin: 0 auto;
    padding: 0px 30px;
    box-sizing: border-box; }
    @media screen and (max-width: 767px) {
      .k12_recommend .k12_pc_list {
        flex-direction: column;
        align-items: center;
        padding: 0px 10px; } }
  .k12_recommend .k12_pc_item {
    max-width: 500px;
    width: 49%;
    margin-bottom: 20px;/*
    display: flex;
    flex-direction: row; */}
    @media screen and (max-width: 767px) {
      .k12_recommend .k12_pc_item {
        width: 90%;
        margin-bottom: 50px; } }
  .k12_recommend .k12_pc_item-in {
    width: 100%;
    display: flex;
    flex-direction: row; }
    @media screen and (max-width: 767px) {
      .k12_recommend .k12_pc_item-in {
        width: 100%;
        margin-bottom: 15px; } }
    .k12_recommend .k12_pc_item-in .k12_desc {
      flex-shrink: 1;
      width: 50%; }
      .k12_recommend .k12_pc_item-in .k12_desc .k12_brand {
        margin: 0 0 5px;
        color: #000; }
        @media screen and (max-width: 767px) {
          .k12_recommend .k12_pc_item-in .k12_desc .k12_brand {
            font-size: 14px; } }
      .k12_recommend .k12_pc_item-in .k12_desc .k12_name {
        margin: 0 0 5px; }
        @media screen and (max-width: 767px) {
          .k12_recommend .k12_pc_item-in .k12_desc .k12_name {
            font-size: 12px; } }
      .k12_recommend .k12_pc_item-in .k12_desc .k12_desc-text {
        margin: 0 0 5px;
        color: #000; }
        @media screen and (max-width: 767px) {
          .k12_recommend .k12_pc_item-in .k12_desc .k12_desc-text {
            font-size: 12px; } }
  .k12_recommend .k12_desc-btn {
    position: relative;
    display: block;
    width: 50%;
    padding: 10px 10px;
    margin-left: auto;
    border-radius: 20px;
    color: #fff;
    background-color: #d93715;
    text-align: center;
    box-sizing: border-box; }
    @media screen and (max-width: 767px) {
      .k12_recommend .k12_desc-btn {
        width: 100%; } }
    .k12_recommend .k12_desc-btn:after {
      position: absolute;
      top: 50%;
      right: 20px;
      transform: translateY(-50%);
      content: '';
      display: block;
      border-top: 6px solid transparent;
      border-bottom: 6px solid transparent;
      border-left: 7px solid #fff; }
  .k12_recommend .k12_img_wrap {
    display: block;
    width: 50%; }
    .k12_recommend .k12_img_wrap img {
      max-width: 275px;
      width: 100%;
      height: auto;
      flex-shrink: 0; }
  .k12_recommend .k12_active {
    visibility: visible; }
    .k12_recommend .k12_active .k12_recommend-tab-active {
      position: relative;
      top: -230px; }
      @media screen and (max-width: 991px) {
        .k12_recommend .k12_active .k12_recommend-tab-active {
          top: -25vw; } }
    .k12_recommend .k12_active .k12_recommend-tab-sp-active {
      position: relative;
      top: -200px; }
      @media screen and (max-width: 543px) {
        .k12_recommend .k12_active .k12_recommend-tab-sp-active {
          top: -39vw; } }

.k12_adjust-top {
  top: -215px !important; }

.k12_adjust-top-sp {
  top: -190px !important; }
  @media screen and (max-width: 543px) {
    .k12_adjust-top-sp {
      top: -36vw !important; } }

.k12_green {
  color: #22ac38; }

.k12_blue {
  color: #0081cc; }

.k12_orange {
  color: #e65528; }

.k12_shadow {
  position: absolute;
  top: 83px;
  display: block;
  width: 100%;
  height: 3px;
  background-color: rgba(0, 0, 0, 0.6);
  box-shadow: 0 -3px 10px rgba(0, 0, 0, 0.8); }
  @media screen and (max-width: 767px) {
    .k12_shadow {
      top: 100%;
      box-shadow: 0 0px 5px rgba(0, 0, 0, 0.5); } }

.k12_hidden {
  visibility: hidden; }

.k12_support {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 384px;
  /*margin-bottom: 200px; */}
  @media screen and (max-width: 767px) {
    .k12_support {
      padding-top: calc(36vw + (80px - 10vw));
      margin-bottom: 50px; } }
  .k12_support-title {
    position: absolute;
    top: 120px;
    left: 50%;
    transform: translateX(-50%); }
    @media screen and (max-width: 767px) {
      .k12_support-title {
        top: 30px;
        min-width: 308px;
        width: 65vw; } }
  .k12_support-dot {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20; }
    @media screen and (max-width: 767px) {
      .k12_support-dot {
        display: none; } }
  .k12_support-dot-sp {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    display: none; }
    @media screen and (max-width: 767px) {
      .k12_support-dot-sp {
        display: block;
        width: calc(100% + 40px); } }
  .k12_support-list {
    display: flex;
    justify-content: space-between;
    width: 100%; }
    @media screen and (max-width: 991px) {
      .k12_support-list {
        flex-direction: column; } }
  .k12_support-item {
    width: 380px;
    height: 245px; }
    @media screen and (max-width: 991px) {
      .k12_support-item {
        margin: 0 auto 16px; } }
    @media screen and (max-width: 767px) {
      .k12_support-item {
        min-width: 308px;
        width: 90vw;
        height: inherit; } }
    .k12_support-item a {
      display: flex;
      flex-direction: column;
      width: 100%;
      height: 100%;
      margin: 0 1px;
      padding-top: 20px;
      text-align: center;
      box-sizing: border-box; }
      @media screen and (max-width: 767px) {
        .k12_support-item a {
          flex-direction: row;
          align-items: center;
          width: 100%;
          padding: 10px;
          text-align: left; } }
    .k12_support-item img {
      width: 80px;
      height: 80px;
      margin: 0 auto 20px; }
      @media screen and (max-width: 767px) {
        .k12_support-item img {
          width: 60px;
          height: 60px;
          margin: 0 10px 0 0; } }
    .k12_support-item .k12_support-subtitle {
      margin: 0 18px 0 0;
      font-size: 16px; }
      @media screen and (max-width: 543px) {
        .k12_support-item .k12_support-subtitle {
          font-size: 10px; } }
    .k12_support-item .k12_support-message {
      margin: 0;
      font-size: 28px;
      font-weight: bold; }
      @media screen and (max-width: 543px) {
        .k12_support-item .k12_support-message {
          font-size: 18px; } }
  .k12_support-item1 {
    border-radius: 30px;
    border: 6px solid #0080c0;
    border-bottom: 10px solid #0080c0; }
    .k12_support-item1 p {
      color: #0080c0; }
    @media screen and (max-width: 767px) {
      .k12_support-item1 {
        border: 3px solid #0080c0;
        border-bottom: 8px solid #0080c0; } }
  .k12_support-item2 {
    border-radius: 30px;
    border: 6px solid #e60012;
    border-bottom: 10px solid #e60012; }
    .k12_support-item2 p {
      color: #e60012; }
    @media screen and (max-width: 767px) {
      .k12_support-item2 {
        border: 3px solid #e60012;
        border-bottom: 8px solid #e60012; } }
  .k12_support-item3 {
    border-radius: 30px;
    border: 6px solid #d19a29;
    border-bottom: 10px solid #d19a29; }
    .k12_support-item3 p {
      color: #d19a29; }
    @media screen and (max-width: 767px) {
      .k12_support-item3 {
        border: 3px solid #d19a29;
        border-bottom: 8px solid #d19a29; } }

/*  2020.6  bcs */
@media screen and (min-width: 767px) {
#indexheader{width:1200px;margin:0 auto;}
}
section{width:100%!important;box-sizing:border-box;margin:0 auto;}
  .k12_header-tab-yellow {color:#fff!important;}


/*  2020.11  bcs */
span.k12_img_wrap{
  position: relative;
}
span.k12_img_wrap.badge_intel-celeron:after {
  content: "";
  display: block;
  position: absolute;
  width: 40px;
  height: 40px;
  background: url(images/intelceleron.jpg);
  background-size: contain;
  top: 0;
  right: 15px;
}
span.k12_img_wrap.badge_intel-pentium:after {
  content: "";
  display: block;
  position: absolute;
  width: 40px;
  height: 40px;
  background: url(images/intelpentium.jpg);
  background-size: contain;
  top: 0;
  right: 15px;
}
.spblock{
  display: none;
}
.exp_11th img{
width: 100%;
}
@media screen and (max-width: 800px) {
  span.k12_img_wrap.badge_intel-celeron:after,
  span.k12_img_wrap.badge_intel-pentium:after{
    width: 30px;
    height: 30px;
  }
  .pcblock{
    display: none;
  }
  .spblock{
    display: block;
  }
}