@charset "UTF-8";
/*共通パーツ*/
/* リンク */
/* hr関係 */
hr {
  margin: 32px 0;
  border: none;
  border-top: 1px solid #888888;
  background: transparent; }

.dotted {
  border-top: 2px dotted #DCDCDC; }

img {
  height: auto;
  max-width: 100%; }

@media (min-width: 768px) {
  .sp {
    display: none !important; } }

@media (max-width: 767px) {
  .pc {
    display: none !important; } }

* {
  -webkit-box-sizing: border-box;
  box-sizing: border-box; }

a {
  color: inherit;
  cursor: pointer;
  text-decoration: none; }
  @media (min-width: 768px) {
    a {
      transition: all 600ms ease; } }

main {
  display: block; }

body {
  margin: 0;
  font-family: 'Noto Sans JP', "游ゴシック体", YuGothic, "游ゴシック Medium", "Yu Gothic Medium", "游ゴシック", "Yu Gothic";
  font-size: 16px;
  font-weight: 400;
  font-style: normal;
  line-height: 1.5;
  text-align: justify;
  text-justify: inter-ideograph; }

.contents-main {
  padding: 0 20px;
  max-width: 1160px;
  width: 100%;
  margin: 0 auto; }

/* ヘッダー */
header {
  z-index: 1;
  position: relative;
  background: rgba(255, 255, 255, 0.4); }

.head {
  position: fixed;
  z-index: 2;
  top: 0;
  width: 100%;
  padding-top: 0;
  padding-bottom: 0; }

.lp-header__trigger {
  position: fixed;
  z-index: 5;
  right: 10px;
  background: none;
  border: none;
  padding: 0;
  margin: 0 0 0 6px;
  height: 24px;
  cursor: pointer;
  margin: 0 0 0 auto;
  display: block; }
  .lp-header__trigger span {
    display: block;
    width: 31px;
    height: 2px;
    background: #707070;
    margin-bottom: 9px;
    transform-origin: center left;
    border-radius: 1px;
    transition: all 600ms ease; }
    .lp-header__trigger span:last-child {
      margin-bottom: 0; }
  .lp-header__trigger.open span {
    background: #fff; }
    .lp-header__trigger.open span:nth-child(1) {
      transform: rotate(45deg); }
    .lp-header__trigger.open span:nth-child(2) {
      opacity: 0; }
    .lp-header__trigger.open span:nth-child(3) {
      transform: rotate(-45deg); }
  .lp-header__trigger:focus {
    outline: none; }
  @media (max-width: 767px) {
    .lp-header__trigger {
      top: 15px; } }

.head-wrap {
  position: relative; }
  .head-wrap:after {
    content: "";
    position: absolute;
    display: block;
    bottom: -5px;
    width: 100%;
    height: 5px; }
  @media (max-width: 767px) {
    .head-wrap {
      height: 55px;
      padding-right: 5px;
      padding-top: 5px; } }

.head-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 10px; }
  .head-nav img {
    margin: 0 auto;
    display: block;
    height: 35px; }
  @media (max-width: 767px) {
    .head-nav {
      justify-content: center; } }

.head-items {
  display: flex;
  list-style: none;
  color: #707070; }
  .head-items li {
    margin-right: 1em; }
  .head-items a {
    text-decoration: none; }
    .head-items a:hover {
      color: #43CBFE; }
  @media (max-width: 767px) {
    .head-items {
      display: none; } }

.head-sp {
  position: fixed;
  background: rgba(0, 0, 0, 0.8);
  padding-top: 40px;
  padding-bottom: 21px;
  top: 0;
  right: 0;
  width: 300px;
  height: 100vh;
  z-index: 1;
  transition: all 600ms ease;
  transform: translateX(300px);
  visibility: hidden; }
  .head-sp__wrap {
    padding: 0 10px 70px;
    position: fixed;
    overflow-y: scroll;
    width: 100%;
    height: 100%; }
  .head-sp hr {
    margin: 15px 0; }
  .head-sp__item {
    display: flex;
    align-items: center;
    position: relative;
    padding-right: 33%;
    color: #c6c6c6;
    padding-left: 1em;
    /*
    &:after{
        border-right: 2px solid #dadada;
        border-top: 2px solid #dadada;
        content: "";
        width: 12px;
        height: 12px;
        position: absolute;
        right: 1em;
        top: 8px;
        transform: rotate(45deg);
    }
    */ }
    .head-sp__item img {
      height: 34px;
      transition: all 600ms ease; }
    .head-sp__item--title {
      margin: 0 auto;
      text-align: center;
      font-size: 16px; }
    .head-sp__item:hover img {
      transform: translateY(-10px); }
  .head-sp.open {
    transform: translateX(0px);
    visibility: visible; }
  .head-sp.close {
    transform: translateX(500px);
    visibility: hidden; }
  @media (max-width: 500px) {
    .head-sp {
      width: 100%;
      transform: translateX(500px); } }

.head-02.open {
  z-index: 2; }

/* フッター */
.bottom {
  padding-top: 40px;
  padding-bottom: 40px;
  position: relative;
  background: #7D0007; }
  .bottom a {
    text-decoration: none; }
  .bottom img {
    height: 35px;
    margin: 0 auto;
    display: block; }
  @media (max-width: 767px) {
    .bottom:before {
      background: #c5c5c5; } }

.bottom-wrap {
  display: flex;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto; }
  .bottom-wrap__logo {
    width: 35%;
    margin-left: 20px; }
    .bottom-wrap__logo img {
      display: block; }
  @media (max-width: 767px) {
    .bottom-wrap {
      flex-direction: column; }
      .bottom-wrap__logo {
        width: auto;
        margin-left: 0; }
        .bottom-wrap__logo img {
          height: 70px; } }

.bottom-group {
  text-align: center;
  margin-left: 5%;
  margin-top: 30px; }
  .bottom-group__list {
    padding: 0;
    margin-top: 0;
    margin-bottom: 0;
    color: #ffffff; }
    .bottom-group__list--item {
      position: relative;
      list-style: none;
      display: inline-block;
      padding-right: 15px;
      margin-right: 30px;
      width: 11em;
      margin-bottom: 5px; }
      .bottom-group__list--item:hover {
        color: #dcb861; }
      .bottom-group__list--item a {
        font-size: 14px;
        text-decoration: none; }
      .bottom-group__list--item:after {
        border-right: 2px solid;
        border-top: 2px solid;
        content: "";
        width: 6px;
        height: 6px;
        position: absolute;
        right: 0;
        top: 10px;
        transform: rotate(45deg); }
    .bottom-group__list--item_02 {
      display: inline-block;
      list-style: none;
      width: 49%; }
      .bottom-group__list--item_02:nth-child(odd) {
        padding-right: 18px;
        border-right: solid 1px;
        text-align: right; }
      .bottom-group__list--item_02:nth-child(even) {
        padding-left: 18px; }
      .bottom-group__list--item_02 a {
        font-size: 12px;
        text-decoration: none; }
        .bottom-group__list--item_02 a:hover {
          opacity: .5; }
  @media (min-width: 768px) {
    .bottom-group {
      margin-top: 0;
      text-align: left;
      width: 65%; }
      .bottom-group__list--item_02 {
        width: auto; }
        .bottom-group__list--item_02:nth-child(2) {
          padding-right: 18px;
          border-right: solid 1px; }
        .bottom-group__list--item_02:nth-child(3) {
          padding-left: 18px; } }

.bottom-copy {
  display: block;
  margin-top: 50px;
  text-align: center;
  font-size: 12px;
  color: #A5A5A5; }

/* main */
.main-contents {
  overflow: hidden;
  margin-top: -75px;
  position: relative; }

p {
  font-size: 16px;
  line-height: 2; }

/* トップページ */
.top-img {
  position: relative; }
  .top-img h1 {
    position: absolute;
    bottom: 50px; }

.link-top {
  position: fixed;
  right: 20px;
  top: 60%;
  display: block; }
  .link-top span {
    position: relative;
    display: block; }
    .link-top span:before {
      content: '';
      width: 10px;
      height: 10px;
      border: 0px;
      border-top: solid 2px #ffffff;
      border-right: solid 2px #ffffff;
      transform: rotate(-45deg);
      position: absolute;
      top: 50%;
      left: 0;
      margin-top: -4px; }
  .link-top a {
    color: #fff;
    font-size: 2.0rem;
    font-weight: bold;
    background-color: #c5c5c5;
    border-radius: 10px;
    display: block;
    margin: 1.6rem;
    padding: 25px 19px;
    width: 50px;
    height: 50px; }
    .link-top a:hover {
      color: #b40000;
      background-color: rgba(255, 255, 255, 0.8); }
    @media (max-width: 767px) {
      .link-top a {
        margin-right: 0; } }

/*jquery-fadeIn*/
@media (min-width: 768px) {
  .left-to-right {
    opacity: 0;
    transform: translateX(-180px);
    transition: all 3s; }
    .left-to-right.scrollin {
      opacity: 1;
      transform: translate(0); }

  .right-to-left {
    opacity: 0;
    transform: translateX(180px);
    transition: all 3s; }
    .right-to-left.scrollin {
      opacity: 1;
      transform: translate(0); } }
#hamburgerMenu {
  display: none; }

/*トップページ 6つの機能*/
.feature-item {
  margin-bottom: 60px; }
  .feature-item__content--movie {
    position: relative;
    width: 100%;
    padding-top: 56.25%; }
  .feature-item__content iframe {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%; }
  @media (min-width: 768px) {
    .feature-item__content {
      display: flex;
      align-items: flex-start;
      justify-content: space-between; }
      .feature-item__content--movie {
        width: 50%;
        padding-top: 28%; }
      .feature-item__content--text {
        width: calc(50% - 50px); } }

/*高機能な学習支援ツール*/
.tool-top {
  display: flex; }