@charset "UTF-8";

html {
    font-size: 100%;
}

body {
    color: #333;
    font-family: "游ゴシック体", "YuGothic", "游ゴシック Medium", "Yu Gothic Medium", "游ゴシック", "Yu Gothic", "メイリオ", sans-serif;
    letter-spacing: 0.1em;
}

a {
    color: #333;
    text-decoration: none;
}

img {
    max-width: 100%;
    vertical-align: bottom;
}

li {
    list-style: none;
}

/*
コンテンツ幅を設定するための共通クラス
*/
.wrapper {
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
}

/*
セクションタイトル用の共通クラス
*/
.section-title {
    font-size: 2.25rem;
    margin-bottom: 100px;
    text-align: center;
    position: relative;
}

  /* 疑似要素でタイトル下に下線を引く */
.section-title::after {
    content: "";
    width: 100px;
    height: 3px;
    background-color: #333;
    display: block;
    position: absolute;
    bottom: -20px;
    left: 0;
    right: 0;
    margin: 0 auto;
}

/* header */

.site-title {
    width: 90%;
    margin: 0 auto;
    padding-top: 30px;
}


.site-title img {
    width: 120px;
    height: 60px;
}

/* hamburger */

.hamburger {
    width: 100px;
    height: 100px;
    background-color: #ff2a2a;
    position: fixed;
    top: 0;
    right: 0;
    z-index: 30;
    cursor: pointer;
    transition: 0.3s;
}

.hamburger:hover {
    opacity: 0.7;
}

.hamburger span {
    width: 50px;
    height: 2px;
    background: #fff;
    position: absolute;
    left: 25px;
    transition: 0.3s ease-in-out;
}

.hamburger span:nth-child(1) {
    top: 36px;
}

.hamburger span:nth-child(2) {
    top: 50px;
}

.hamburger span:nth-child(3) {
    top: 64px;
}

.hamburger.active span:nth-child(1) {
    top: 47px;
    left: 25px;
    background: #fff;
    transform: rotate(-45deg);
}

.hamburger.active span:nth-child(2),
.hamburger.active span:nth-child(3) {
    top: 47px;
    background: #fff;
    transform: rotate(45deg);
}

#navi {
    width: 100%;
    height: 100vh;
    background-color: #ff2a2a;
    color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 20;
    opacity: 0;
    text-align: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    visibility: hidden;
}

#navi.active {
    opacity: 1;
    visibility: visible;
}

#navi .logo {
    width: 100px;
    position: absolute;
    top: 40px;
    left: 50px;
}

#navi .menu {
    margin: 80px 0 40px 0;
}

#navi .menu li {
    margin-bottom: 20px;
}

#navi .menu a {
    color: #fff;
    font-weight: bold;
}

#navi .btn {
    width: 250px;
    border: solid 1px #fff;
    color: #fff;
    display: block;
    font-weight: bold;
    padding: 15px 0;
    margin: 0 auto;
    position: relative;
    transition: 0.3s ease-in-out;
}

#navi .btn::after {
    content: "　";
    width: 250px;
    border-right: solid 1px #fff;
    border-bottom: solid 1px #fff;
    padding: 15px 0;
    position: absolute;
    right: -6px;
    bottom: -6px;
}

#navi .btn:hover {
    background-color: #fff;
    color: #ff2a2a;
}

/* mainvisual */

#mainvisual {
    height: 720px;
    position: relative;
    margin-bottom: 120px;
}

#mainvisual .text {
    position: absolute;
    top: 280px;
    left: 10%;
    z-index: 10;
}

#mainvisual .text .title {
    font-size: 2.875rem;
    font-weight: bold;
    margin-bottom: 30px;
    text-shadow: 0 4px 6px #fff;
}

#mainvisual .text .btn {
    background-color: #ff2a2a;
    border-bottom: 6px solid #9a0413;
    border-radius: 10px;
    color: #fff;
    font-size: 1.5rem;
    display: block;
    padding: 15px 35px;
    text-align: center;
    transition: 0.3s;
    position: relative;
}

#mainvisual .text .btn::after {
    content: "";
    width: 16px;
    height: 16px;
    border-top: 3px solid #fff;
    border-right: 3px solid #fff;
    transform: rotate(45deg);
    position: absolute;
    top: 26px;
    right: 30px;
}

#mainvisual .text .btn:hover {
    opacity: 0.9;
    transform: scale(1.05);
}

#mainvisual .fade li {
    width: 75%;
    position: absolute;
    top: 0;
    right: 0;
    opacity: 0;
    animation: fade 15s infinite;
}

#mainvisual .fade li:nth-child(1) {
    animation-delay: 0s;
}

#mainvisual .fade li:nth-child(2) {
    animation-delay: 5s;
}

#mainvisual .fade li:nth-child(3) {
    animation-delay: 10s;
}

#mainvisual .fade li img {
    width: 100%;
    height: 720px;
    object-fit: cover;
}

#mainvisual .fade li::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    box-shadow: inset 0px 0px 20px 20px #fff;
}

@keyframes fade {
    0% {
        opacity: 0;
    }
    15% {
        opacity: 1;
    }
    30% {
        opacity: 1;
    }
    45% {
        opacity: 0;
    }
    100% {
        opacity: 0;
    }
}

/* reason */

#reason {
    margin-bottom: 120px;
}

#reason .bg {
    background-color: #ff2a2a;
    padding: 80px 0;
}

#reason .slide {
    width: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    padding: 5%;
    opacity: 0;
}

#reason .slide img {
    width: auto;
    height: 60px;
    margin-right: 30px;
}

#reason .slide .title {
    color: #ff2a2a;
    display: block;
    font-size: 1.75rem;
    font-weight: bold;
}

#reason .slide .text {
    display: block;
    font-size: 1.125rem;
}

#reason .inview-slide-left {
    border-top-right-radius: 20px;
    border-bottom-right-radius: 20px;
    margin-bottom: 40px;
}

#reason .slide-left {
    animation: slide-left 0.5s ease-out 0s 1 forwards;
}

@keyframes slide-left {
    0% {
        transform: translateX(-50%);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

#reason .inview-slide-right {
    border-top-left-radius: 20px;
    border-bottom-left-radius: 20px;
}

#reason .slide-right {
    animation: slide-right 0.5s ease-out 0s 1 forwards;
}

@keyframes slide-right {
    0% {
        transform: translateX(150%);
    }
    100% {
        opacity: 1;
        transform: translateX(100%);
    }
}

/* voice */

#voice {
    margin-bottom: 120px;
}

#voice .item-left,
#voice .item-right {
    display: flex;
    align-items: flex-start;
    opacity: 0;
    margin-bottom: 60px;
}

#voice .item-left {
    justify-content: flex-start;
}

#voice .item-left:last-of-type {
    margin-bottom: 0;
}

#voice .item-right {
    justify-content: flex-end;
}

#voice .student img {
    width: 120px;
    background-color: #ccc;
    border-radius: 50%;
    margin-bottom: 10px;
}

#voice .student .name {
    font-size: 0.75rem;
    text-align: center;
}

#voice .item-left .balloon-text,
#voice .item-right .balloon-text {
    width: 60%;
    display: flex;
    justify-content: center;
    background: #e9f1fb;
    border-radius: 15px;
    padding: 20px;
    position: relative;
}

#voice .item-left .balloon-text {
    margin-left: 25px;
}

#voice .item-left .balloon-text::before {
    content: "";
    position: absolute;
    top: 60%;
    left: 0;
    margin-left: -30px;
    border: 15px solid transparent;
    border-right: 15px solid #e9f1fb;
}

#voice .item-right .balloon-text {
    margin-right: 25px;
}

#voice .item-right .balloon-text::before {
    content: "";
    position: absolute;
    top: 60%;
    left: 0;
    margin-right: -30px;
    border: 15px solid transparent;
    border-left: 15px solid #e9f1fb;
}

#voice .balloon {
    animation: balloon 0.5s ease-out 0s 1 forwards;
}

@keyframes balloon {
    0% {
        transform: scale(0.1);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* summary */

#summary {
    background: url("../img/bg.gif") repeat;
    animation: fall 10s infinite linear;
    padding: 60px 0;
    margin-bottom: 120px;
}

@keyframes fall {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: -700px 700px;
    }
}

#summary .menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

#summary .menu li {
    width: 48%;
    background-color: #fff;
    border-radius: 20px;
    padding: 60px;
    margin-bottom: 32px;
}

#summary .menu li:nth-child(n + 3) {
    margin-bottom: 0;
}

#summary .menu-title {
    font-weight: bold;
    line-height: 1;
    text-align: center;
}

#summary .menu-title .ja {
    display: block;
    font-size: 1.75rem;
    margin-bottom: 15px;
}

#summary .menu-title .en {
    display: block;
    font-size: 1.125rem;
    margin-bottom: 30px;
}

/* entry */

#entry {
    margin-bottom: 120px;
    text-align: center;
}

#entry .title {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 5px;
}

#entry .catchphrase {
    font-size: 1.125rem;
    margin-bottom: 40px;
}

#entry .btn {
    background-color: #ff2a2a;
    border-radius: 40px;
    border: 3px solid #ff2a2a;
    color: #fff;
    font-size: 1.75rem;
    font-weight: bold;
    display: block;
    padding: 15px;
    text-align: center;
    transition: 0.3s;
}

#entry .btn:hover {
    background-color: #fff;
    border: 3px solid #ff2a2a;
    color: #ff2a2a;
}

/* footer */

#footer {
    background-color: #e8e8e8;
    padding: 60px 0 20px 0;
}

#footer a {
    font-size: 0.875rem;
    transition: 0.3s;
}

#footer a:hover {
    opacity: 0.7;
}

#footer .inner {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
}

#footer .inner > li {
    width: 25%;
}

#footer .inner .title {
    font-weight: bold;
}

#footer .inner .menu {
    padding: 10px 0 0 10px;
}

#footer .inner .menu li {
    margin-bottom: 3px;
}

#footer .copyright {
    font-size: 0.625rem;
    text-align: center;
}

/*-------------------------------------------
SP
-------------------------------------------*/
@media screen and (max-width: 900px) {
    .wrapper {
      padding: 0 16px;
    }
    .section-title {
      font-size: 1.75rem;
      margin-bottom: 60px;
    }
    .section-title::after {
      width: 80px;
    }
  
    /*-------------------------------------------
    ヘッダー
    -------------------------------------------*/
    #header {
      padding: 25px 0 0 25px;
    }
  
    /* ハンバーガ―メニュー */
    .hamburger {
      width: 75px;
      height: 75px;
    }
    .hamburger span {
      width: 35px;
      left: 21px;
    }
    .hamburger span:nth-child(1) {
      top: 26px;
    }
    .hamburger span:nth-child(2) {
      top: 37px;
    }
    .hamburger span:nth-child(3) {
      top: 48px;
    }
    .hamburger.active span:nth-child(1) {
      top: 37px;
      left: 21px;
    }
    .hamburger.active span:nth-child(2),
    .hamburger.active span:nth-child(3) {
      top: 37px;
    }
    #navi .logo {
      top: 25px;
      left: 25px;
    }
    #navi .menu {
      margin-top: 110px;
    }
  
    /*-------------------------------------------
    Mainvisual
    -------------------------------------------*/
    #mainvisual {
      height: 490px;
      margin-bottom: 80px;
    }
    #mainvisual .fade li {
      width: 100%;
    }
    #mainvisual .fade li img {
      height: 300px;
    }
    #mainvisual .text {
      /* 両端に16pxづつ余白を作る */
      width: calc(100% - 32px);
      top: 310px;
      left: 16px;
    }
    #mainvisual .text .title {
      font-size: 1.75rem;
      margin-bottom: 10px;
    }
    #mainvisual .text .btn {
      width: 100%;
    }
  
    /*-------------------------------------------
    Reason
    -------------------------------------------*/
    #reason {
      margin-bottom: 80px;
    }
    #reason .bg {
      padding: 40px 0;
    }
    #reason .slide {
      width: calc(100% - 16px);
    }
    #reason .slide .title {
      font-size: 1.5rem;
    }
    @keyframes slide-left {
      0% {
        transform: translateX(-100%);
      }
      100% {
        opacity: 1;
        transform: translateX(0);
      }
    }
    @keyframes slide-right {
      0% {
        transform: translateX(100%);
      }
      100% {
        opacity: 1;
        transform: translateX(16px);
      }
    }
  
    /*-------------------------------------------
    Voice
    -------------------------------------------*/
    #voice {
      margin-bottom: 80px;
    }
    #voice .student {
      text-align: center;
    }
    #voice .item-left,
    #voice .item-right {
      margin-bottom: 40px;
    }
    #voice .item-left {
      flex-direction: column-reverse;
      align-items: center;
    }
    #voice .item-right {
      flex-direction: column;
      align-items: center;
    }
    #voice .item-left .balloon-text,
    #voice .item-right .balloon-text {
      width: 100%;
      margin: 0 0 30px 0;
    }
    /*
    スマホの場合はふきだしの向きを下に変える
    */
    #voice .item-left .balloon-text::before,
    #voice .item-right .balloon-text::before {
      top: 100%;
      border: 15px solid transparent;
      border-top: 15px solid #e9f1fb;
    }
    #voice .item-left .balloon-text::before {
      margin-left: calc(50% - 15px);
    }
    #voice .item-right .balloon-text::before {
      margin-right: calc(50% - 15px);
    }
  
    /*-------------------------------------------
    Summary
    -------------------------------------------*/
    #summary {
      margin-bottom: 80px;
    }
    #summary .menu {
      flex-direction: column;
    }
    #summary .menu li {
      width: 100%;
      padding: 30px;
    }
    #summary .menu li:nth-child(3) {
      margin-bottom: 32px;
    }
    #summary .menu-title .ja {
      font-size: 1.5rem;
    }
    #summary .menu-title .en {
      font-size: 1rem;
    }
  
    /*-------------------------------------------
    Entry
    -------------------------------------------*/
    #entry {
      margin-bottom: 80px;
    }
    #entry .title {
      font-size: 1.5rem;
    }
    #entry .catchphrase {
      font-size: 1rem;
    }
    #entry .btn{
      font-size: 1.5rem;
    }
  
    /*-------------------------------------------
    フッター
    -------------------------------------------*/
    #footer .inner {
      flex-wrap: wrap;
    }
    #footer a {
      font-size: 0.75rem;
    }
    #footer .inner .title {
      font-size: 0.9375rem;
    }
    #footer .inner > li {
      width: 50%;
    }
    #footer .inner > li:nth-child(1),
    #footer .inner > li:nth-child(2) {
      margin-bottom: 30px;
    }
  }