@charset "UTF-8";

/* 共通部分
------------------------------- */
html {
    font-size: 100%;
    scroll-behavior: smooth;
}
body{
    font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "BIZ UDPGothic", sans-serif;
    line-height: 1.7;
    color: black;
}
a {
    text-decoration: none;
}
img {
    max-width: 100%;
}
@font-face {
    font-family: "AinoteFont";
    src: url("./fonts/AinoteFont.otf") format('otf');
    font-weight: normal;
    font-style: normal;
}
.font-Ainote {
    font-family: "AinoteFont", sans-serif;
}
.kaisei-opti-regular {
  font-family: "Kaisei Opti", serif;
  font-weight: 400;
  font-style: normal;
}

/*レイアウト*/
.wrapper {
    max-width: 1120px;
    margin: auto;
    padding: 0 1.5rem;
}
.align-center {
    text-align: center;
}

/* ボタン */
.btn {
    display: inline-block;
    font-size: 1.5rem;
    background-color: #C0A313;
    color: #fff;
    border-radius: 8px;
    padding: .75rem 1.5rem;
    margin-bottom: 2rem;
    transition: .5s;
}
.btn:hover {
    background-color: #C8A978;
}

/*-------特設ページ-----------------------------------------------------*/
.floating-banner {
  position: fixed;
  right: 20px;
  bottom: 20px;

  background: #ff6b6b;
  color: #fff;
  text-decoration: none;

  padding: 14px 18px;
  border-radius: 999px;
  font-weight: bold;

  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
  z-index: 1000;
}
.floating-banner:hover {
  background: #ff3b3b;
}
.special-banner-bg {
  display: block;
  width:90%;
  max-width: 1000px;
  height: 220px;
  margin: 40px auto 0;

  background-image: url("../images/5th/5th_4.jpg"); /* ←ここを画像パスに変更 */
  background-size: cover;
  background-position: center;

  border-radius: 20px;
  text-decoration: none;
  position: relative;
  overflow: hidden;

  box-shadow: 0 15px 30px rgba(0,0,0,0.25);
  transition: 0.4s ease;
}
.special-banner-bg:hover {
  transform: scale(1.02);
}
/* 暗くするためのオーバーレイ */
.banner-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.banner-sub {
  font-size: 1rem;
  letter-spacing: 0.15em;
  opacity: 0.85;
}
.banner-main {
  font-size: 2rem;
  font-weight: bold;
  margin-top: 10px;
}

/*本体*/
body.r5-sp {
    background-color: #46454B;
    color: #cecece;
}

/*ヘッダー*/
.page-header-sp {
    padding-top: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #c9c2bc;
    position: static;
    top: 0;
    z-index: 1000;
}
.head-sp {
    display:  flex;
    align-items: center;
    justify-content: space-between;
}
.head-sp a {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: #cecece;
}
.head-sp a:hover {
    color: #C0A313;
}
.main-nav-sp {
    justify-content: center;
    gap: 4rem;
    font-size: 1.5rem;
    list-style: none;
    background: #77767F;
    background-image: none/*url("../images/Gx6Z6pIbMAAbvJa.jpg")*/;
    background-size: contain;
    background-repeat: no-repeat;
    border-radius: 10px;
    border: 2px solid black;
    width: 60%;
    /*height: 70%;*/
    padding: 40px 0 0 0;
    margin-top: 0;
    position: fixed;
    z-index: 100;
    top: 0;
    right: -100%;
    transition: .5s;
    display: block;
    text-align: center;
    opacity: 0.97;
}
.main-nav-sp a {
    color: #cecece;
}
.main-nav-sp a:hover {
    color: #C0A313;
}
.main-nav-sp.menu_active {
    right: 0;
}
.main-nav-sp li {
    margin: 1rem 2rem 1rem 0;
}

.first-logo {
    max-width: 900px;
    margin: 1rem auto 0;
    size: 80%;
    width: 95%;
}

/*サイト内リンク*/
.top-sp {
    margin: 2rem;
    padding: 1rem 0 1rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1rem;
    border-top: 1px solid #cecece;
    border-bottom: 1px solid #cecece;
}
.top-sp a {
    flex: 1;
    padding: 1.5rem;
    align-items: center;
    text-align: center;
    gap: 0.8rem;
    color: #cecece;
    position: relative;
}
.top-sp a:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 15%;
    right: 0;
    width: 1px;
    height: 70%;
    background: #fff;
    opacity: 0.4;
}
.top-sp a:hover {
    color: #C0A313;
}

/* INFORMATION*/
.detail-sp {
  width: 90%;
  max-width: 800px;
  margin: 3rem auto;
  border-collapse: collapse;
  position: relative;
  border-left: 2px solid #cecece;
  border-bottom: 2px solid #cecece;
  padding-left: 20px;
}
.detail-sp caption {
  caption-side: top;
  text-align: left;
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: 2px;
  margin-bottom: 15px;
  color: #cecece;
  position: relative;
}
.detail-sp caption::after {
  content: "";
  position: absolute;
  left: -1rem;
  bottom: -6px;
  width: 70%;
  height: 2px;
  background: #cecece;
}
.detail-sp th ,.detail-sp td {
  text-align: left;
  padding: 12px 20px 12px 0;
  vertical-align: top;
  color: #cecece;
}
.detail-sp th {
  width: 110px;
  text-align: center;
  font-weight: normal;
  white-space: nowrap;
  color: #cecece;
}
.detail-sp a {
    color: #e3acae;
}
.detail-sp a:hover {
    color: #C0A313;
}

/*ゼミ班*/
.speace-sp {
  margin: rem auto 0;
}
.zemi-sp {
  width: 90%;
  max-width: 800px;
  margin: 1rem auto;
  border-collapse: collapse;
  position: relative;
  border-left: 2px solid #cecece;
  border-bottom: 2px solid #cecece;
  padding-left: 20px;
  padding-bottom: 1rem;
}
.zemi-title-sp {
  max-width: 800px;
    width: 90%;
  caption-side: top;
  text-align: left;
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: 2px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 15px;
  color: #cecece;
  position: relative;
}
.zemi-title-sp::after {
  content: "";
  position: absolute;
  left: -1rem;
  bottom: -6px;
  width: 70%;
  height: 2px;
  background: #cecece;
}
/*ゼミ班-アコーディオン*/
.accordion-item-sp:not(:last-child) {
  margin-bottom: 1rem;
}
.accordion-header-sp {
  width: 100%;
  color: #cecece;
  padding: 1rem 1.2rem;
  text-align: center;
  cursor: pointer;

  display: flex;
  justify-content: left;
  align-items: center;
}
.accordion-header-sp:not(:last-child) {
  border-bottom: 1px solid #cecece;
}
.accordion-icon-sp {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-right: 2px solid #cecece;  /* ＞ の右側ライン */
    border-bottom: 2px solid #cecece; /* ＞ の下側ライン */
    transform: rotate(45deg);      /* ＞ を下向きに倒した形に */
    transition: transform 0.3s ease;
}
.accordion-content-sp {
  max-height: 0;
  overflow: hidden;
  padding: 0 1.2rem;
  transition: max-height 0.4s ease;
  will-change: max-height;      
}
.accordion-item-sp.active .accordion-content-sp {
  padding: 1rem 1.2rem;
}
.accordion-item-sp.active .accordion-icon-sp {
  transform: rotate(225deg); /* ＋ → × */
}
.zemi-detail-top {
    font-size: 1.2rem;
}
.zemi-detail-text {
    margin: 1rem;
}
.zemi-detail-text p {
    margin-top: 1rem;
    margin-bottom: 1rem;
}
.zemi-detail-text div {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: bold;
}
/*EVENT*/
.event-sp {
  width: 90%;
  max-width: 800px;
  margin: 1rem auto;
  border-collapse: collapse;
  position: relative;
  border-left: 2px solid #cecece;
  border-bottom: 2px solid #cecece;
  padding-left: 20px;
  padding-bottom: 1rem;
}
.enent-sp img {
    width: 60%;
    height: auto;
    display: block;
    margin: 0 auto; /* 中央揃えしたい場合 */
}
.event-sp blockquote {
    font-size: 0.8rem;
    margin: 0.5rem;
}
.event-sp cite a {
    color: #e3acae;
}

/*上に戻るボタン*/
.pagetop {
    height: 50px;
    width: 50px;
    position: fixed;
    right: 30px;
    bottom: 30px;
    border: solid 2px #cecece;
    border-radius: 50%;
    background-color: #46454B;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}
.pagetop__arrow {
    height: 10px;
    width: 10px;
    border-top: 3px solid #cecece;
    border-right: 3px solid #cecece;
    transform: translateY(20%) rotate(-45deg);
}
/*参加申し込み*/
.join {
    position: fixed;
    left: 5px;
    bottom: 30px;
    border: solid 2px #46454B;
    background-color: #a25768;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}
.join-text {
    color: #cecece;
    font-size: 1rem;
}
/*フッター*/
.page-footer-sp {
    background-color: #141415;
    color:#cecece;
    margin-top: 2rem;
}

/*--------------------------------------------------------------------------------------*/

/*ヘッダー*/
.page-header {
    background-color: #fff;
    padding-top: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #c9c2bc;
    position: static;
    top: 0;
    z-index: 1000;
}
.head {
    display:  flex;
    align-items: center;
    justify-content: space-between;
}
.head a {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: black;
}
.head a:hover {
    color: #C0A313;
}
.logo {
    height: 2em;
    width: auto;
    vertical-align: middle;
}
.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1,2;
}
.logo-top {
    font-size: 0.6rem;
}
.logo-btm {
    font-size: 2.5rem;
}

/* Responsive menu button */
.responsive_btn {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin: 0 1rem 0 1rem;
  cursor: pointer;
  z-index: 2000;
  right: 1.5rem;
  transition: 0.3s;
}
.menu_line {
  background: black;
  border-radius: 4px;
  width: 100%;
  height: 5px;
  margin: 4px 0;
  transition: 0.3s;
}

/* ボタン ON（active）時の変化 */
.responsive_btn.active .menu_line:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.responsive_btn.active .menu_line:nth-child(2) {
  opacity: 0;
}
.responsive_btn.active .menu_line:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Responsive style */
.header_bg {
    position: relative;
}
.header_nav_lists li {
    margin: 0 0 40px;
    text-align: center;
}
.main-top {
    font-size: 1.5rem;
    margin: 1rem 2rem 0 0;
}
.main-sns {
    margin-top: 2rem;
    padding: 1.5rem 0;
    border-top: 1px solid gray;
    text-align: center;
}
.main-sns img {
    height: 2rem;
    vertical-align: middle;
    margin-right: 1rem;
}
.main-nav {
    justify-content: center;
    gap: 4rem;
    font-size: 1.5rem;
    list-style: none;
    background: #fffcf9;
    background-image: none/*url("../images/Gx6Z6pIbMAAbvJa.jpg")*/;
    background-size: contain;
    background-repeat: no-repeat;
    border-radius: 10px;
    border: 2px solid black;
    width: 60%;
    /*height: 70%;*/
    padding: 40px 0 0 0;
    margin-top: 0;
    position: fixed;
    z-index: 100;
    top: 0;
    right: -100%;
    transition: .5s;
    display: block;
    text-align: center;
    opacity: 0.97;
}
.main-nav a {
    color: black;
}
.main-nav a:hover {
    color: #C0A313;
}
.main-nav.menu_active {
    right: 0;
}
.main-nav li {
    margin: 1rem 2rem 1rem 0;
}

/*見出し*/
.font-english {
    font-family: 'Philosopher', sans-serif;
    font-weight: normal;
}
.page-title,
.heading-large,
.heading-medium {
    font-size: 2rem;
    text-align: center;
    margin: 1rem;
}
.page-title {
    margin-top: 2rem;
    height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1.4;
    background-image: url("../images/2616620.jpg");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}
.heading-large {
    margin-bottom: 1rem;
    border-bottom: 1px solid #C8A978;
}

/*ホーム*/
.about {
    max-width: 680px;
    padding: 0.2rem;
    margin: 2rem auto 0;
    text-align: center;
}
.about p {
    margin: 2rem 0 2rem 0;
}
.about-text {
    display: block;
}

/*スライドショー*/
.your-class .slick-slide {
  height: 250px;           /* ← 好きな高さに調整 */
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 2rem;
}
.your-class img {
  width: 100%;
  height: 100%;
  object-fit: cover;       /* ← はみ出た部分は自動でトリミング */
}
.slick-next {
    display: none !important;
}

/*ニュース*/
.news {
    max-width: 736px;
    width: 80%;
    max-height: 300px;
    justify-content: center;
    margin: 1rem auto;
    border: 2px solid #ccc;/* 枠線 */
    border-radius: 10px;    /* 角を少し丸く */
    padding: 1rem;         /* 内側の余白 */
    overflow-y: auto;      /* ← 縦方向にだけスクロールを出す */
    background-color: #fafafa; /* 背景色 */
}
.news-title {
    border-bottom: 1px solid #c9c2bc;
    margin: 0;
}
.news li {
    list-style: none;
    border-bottom: 1px solid #c9c2bc;
}
.news ul {
    padding-left: 0;
    margin-bottom: 0;
}

/*詳細*/
.detail {
  text-align: center;        /* 全体を中央揃え */
  max-width: 800px;          /* 横幅を制限（読みやすく） */
  margin: 1rem auto;           /* 上下に余白＋中央寄せ */
  padding: 1.5rem;
  line-height: 1.8;
}
.detail-title {
  display: block;            /* 上下に分けて表示 */
  font-size: 1.8rem;         /* 少し大きめに */
  font-weight: bold;
  /*color: #607133;*/            /* 少し落ち着いた色（りゼミのトーンに合わせ） */
  margin-bottom: 0.8rem;     /* 下に少し余白 */
  background-color: #bed778;
  border-radius: 8px;   
}
.detail-text {
  display: block;
  font-size: 1rem;
  padding-top: 1rem;
  /*color: #333;*/
}
.detail-text a {
    color: #2A91D3;
}
.detail-text a:hover {
    color: #2A91D3;
}

/*りゼミの歴史*/
.history-title {
    max-width: 650px;
    width: 90%;
    font-size: 5rem;
    text-align: center;
    -webkit-text-stroke: 1px black;
    margin: 2rem auto ;
    padding: 0 1rem 0 1rem;
    border: 2px solid black;
    color: white;
}
.r1 {
    /*background-image: url(..//images/1st_1.jpg);*/
    background :linear-gradient(rgba(0, 0, 0, .4),  rgba(0, 0, 0, .4)),url(..//images/1st/1st_1.jpg);
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: center;
}
.r2 {
    background :linear-gradient(rgba(0, 0, 0, .4),  rgba(0, 0, 0, .4)),url(..//images/2nd/2nd_1.png);
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: center;
}
.r3 {
    background :linear-gradient(rgba(0, 0, 0, .4),  rgba(0, 0, 0, .4)),url(..//images/3rd/3rd_1.jpg);
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: center;
}
.r4 {
    background :linear-gradient(rgba(0, 0, 0, .4),  rgba(0, 0, 0, .4)),url(..//images/4th/4th_1.jpg);
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: center;
}
.r5 {
    background :linear-gradient(rgba(0, 0, 0, .4),  rgba(0, 0, 0, .4)),url(..//images/5th/5th_4.jpg);
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: center;
}
.comingsoon {
    text-align: center;
    font-size: 1rem;
    margin: 4rem;
}

/*各回のページ*/
.rizemi-detail {
  max-width: 800px;
  margin: 2rem auto;
  padding: 1rem;
}
.detail-card {
  background: #fafafa;
  border-radius: 12px;
  border: 2px solid #ddd;
  padding: 1.5rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}
.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #ccc;
  padding: 1rem 0;
  font-size: 1.1rem;
}
.detail-item:last-child {
  border-bottom: none;
}
.label {
  font-weight: bold;
  color: #555;
}
.value {
  color: #000;
}

/* アコーディオン（ゼミ班） */
.seminars {
  margin: 3rem auto;
  padding: 1rem;
}
.accordion {
  max-width: 550px;   /* 好きな幅 */
  margin: 0 auto;     /* ← これが中央寄せの決め手 */
}
.accordion-item {
  border: 2px solid #ddd;
  border-radius: 10px;
  margin-bottom: 1rem;
  overflow: hidden;
  background: #fff;
}
.accordion-header {
  width: 100%;
  background: #91b825;
  color: #fff;
  padding: 1rem 1.2rem;
  font-size: 1.5rem;
  text-align: center;
  border: none;
  cursor: pointer;

  display: flex;
  justify-content: space-between;
  align-items: center;
}
.accordion-icon {
  font-size: 1.4rem;
  transition: transform 0.3s ease;
}
.accordion-content {
  max-height: 0;
  overflow: hidden;
  background: #fafafa;
  padding: 0 1.2rem;
  transition: max-height 0.4s ease;
  line-height: 1.7;
}
.accordion-item.active .accordion-content {
  padding: 1rem 1.2rem;
}
.accordion-item.active .accordion-icon {
  transform: rotate(45deg); /* ＋ → × */
}

/*フッター*/
.page-footer {
    background-color: #91b825;
    color:white;
    margin-top: 2rem;
}
.foot-title {
    margin: 1rem auto 0;
    text-align: center;
    font-size: 1.7rem;    
}
.info {
    width: 100%;
    max-width: 544px;
    margin: auto;
    padding: 0 1.5rem;
    font-size: 1.5rem;
    border-spacing: 0;
}
.info th,
.info td {
    border-bottom: 2px solid #cfc4bb;
}
.info th {
    text-align: center;
    font-weight: normal;
    padding: 1rem;
    gap: 2rem;
}
.info td {
    padding: 1rem 0;
}
.info a {
    color: #fff;
}
.info a:hover {
    color: #C8A978;
}
.sns img {
    height: 1.5em;
    vertical-align: middle;
}
.copyright {
    background-color: #596144;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
    color: #fff; 
}

/*デスクトップ版*/
@media (min-width: 1000px) {
    /* 見出し */
    .page-title {
        font-size: 1.5rem;
    }
    .heading-large {
        font-size: 2rem;
    }
    .kaisei-opti-regular {
        font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "BIZ UDPGothic", sans-serif;;
    }
    /* ヘッダー */
    .page-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-top: 1.5rem;
        border-bottom: 2px solid #c9c2bc;
    }
    .logo {
    height: 2.5em;
    }
    .logo-top {
        font-size: 1rem;
    }
    .page-title {
        height: 70vh;
        font-size: 4rem;
    }

    .page-header-sp {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-top: 1.5rem;
    }

    /*NEWS*/
    .news {
        margin: 2rem auto 0;
    }
    .news ul {
        padding-left: 2rem;
    }

    /*Twitter*/

    .main-menu {
        display: none;
    }
    .container {
           /* 横並びにする */
        justify-content: center; /* 横方向の中央寄せ */
        align-items: flex-start; /* 高さを上に揃える */
        gap: 1rem;               /* 各ボックスの間隔 */
        flex-wrap: wrap;         /* 画面が狭いときは折り返す */
    }
    .main-sns {
        display: none;
    }

    .container section {
        
        border-radius: 8px;
        padding: 1rem;
        width: 650px;            /* 各セクションの横幅 */

    }
    .main-nav {
    position: static;          /* 固定解除 */
    height: auto;
    width: auto;
    background: none;
    display: flex;             /* 横並びに */
    justify-content: center;
    gap: 2.5rem;
    font-size: 1.5rem;
    padding: 0;
    transition: none;
    color: #91B825;
    border: none;
    font-size: 2rem;
    margin-bottom: 0;
    }
    .main-nav li {
        margin: 0;
    }
    .main-nav-sp {
    position: static;          /* 固定解除 */
    height: auto;
    width: auto;
    background: none;
    display: flex;             /* 横並びに */
    justify-content: center;
    gap: 2.5rem;
    font-size: 1.5rem;
    padding: 0;
    transition: none;
    color: #91B825;
    border: none;
    font-size: 2rem;
    margin-bottom: 0;
    }
    .main-nav-sp li {
        margin: 0;
    }

    .responsive_btn {
    display: none;
    }

    .about-text {
        display: inline;
    }
    
    /*特設ページ*/
    
    
    /*フッター*/
}