/******************************************
共通
******************************************/
@import url(//fonts.googleapis.com/earlyaccess/notosansjp.css);

body {
  font-family: "Noto Sans Japanese", "游ゴシック", "YuGothic",
    "Hiragino Kaku Gothic ProN", "Hiragino Kaku Gothic Pro",
    "Noto Sans Japanese", "メイリオ", Meiryo, Osaka, "Roboto", "ＭＳ Ｐゴシック",
    "MS PGothic", sans-serif;
  font-weight: 400;
}

sup {
  vertical-align: super;
  font-size: smaller;
}

h1,
h2,
h3,
h4,
h5 {
  font-weight: normal;
}

/* Material iconsを利用する */
.material-icons {
  font-family: "Material Icons";
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  /* 推奨サイズ */
  display: inline-block;
  width: 1em;
  height: 1em;
  line-height: 1;
  text-transform: none;
  /* WebKitブラウザサポート */
  -webkit-font-smoothing: antialiased;
  /* Chrome、Safariサポート */
  text-rendering: optimizeLegibility;
  /* Firefoxサポート */
  -moz-osx-font-smoothing: grayscale;
  /* IEサポート */
  font-feature-settings: "liga";
}

.pc_mode {
  display: block;
}

.sp_mode {
  display: none;
}

header.pc_mode {
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
  background-color: #fff;
  z-index: 9999;
  position: fixed;
  top: 0;
  left: 0;
  height: 50px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

header.pc_mode .header_inner {}

header.pc_mode .header_left {
  width: 45%;
  float: left;
  padding-left: 20px;
}

header.pc_mode .header_left h1 {
  width: 100%;
  margin: 0px auto;
  overflow: hidden;
  padding-top: 10px;
  font-size: 1.2vw;
}

header.pc_mode .header_left h1 span {
  display: block;
  float: left;
  color: #666666;
  font-weight: normal;
  font-family: "游明朝", YuMincho, "ヒラギノ明朝 ProN W3",
    "Hiragino Mincho ProN", "HG明朝E", "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif;
  font-size: 10px;
  line-height: 1.4;
  margin-right: 10px;
}

header.pc_mode .header_left h1 b {
  display: block;
  float: left;
  font-size: 20px;
  line-height: 1.4;
}

header.pc_mode .header_right {
      width: 50%;
  float: right;
}

header .header_right ul {
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flex;
  display: -o-flex;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  height: 49px;
}

header.pc_mode .header_right ul li {
  font-size: 0.9vw;
  padding: 0em 0.9em;
}

header.pc_mode .header_right ul li:nth-of-type(4) {
  border-right: 1px solid #cccccc;
}

header.pc_mode .header_right ul li:nth-of-type(6) a,
header.pc_mode .header_right ul li:nth-of-type(6) a,
header.pc_mode .header_right ul li:nth-of-type(6) span {
  background: #333;
  background: -webkit-linear-gradient(-45deg,
    #095dab 0%,
    #095dab 17%,
    #095dab 33%,
    #0491d1 67%,
    #02a4df 83%,
    #01ace5 100%);
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
}

header.pc_mode .header_right ul li:first-of-type {
  padding-left: 0;
}

header.pc_mode .header_right ul li a {
  font-size: 12px;
  line-height: 22px;
  display: block;
}

header.pc_mode .header_right ul li.search {
  padding-bottom: 20px;
  position: relative;
  width: 50px;
  height: 38px;
}

header.pc_mode .header_right ul li.search img {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: block;
  margin: auto;
  width: 20px;
}

header.pc_mode .header_right ul li.trans_wrap a {
  display: inline-block;
}

header.pc_mode .header_right ul li.trans_wrap a:hover {
  border-bottom: 1px solid #095dab;
}

#header_search_wrap {
  display: none;
}

#header_search {
  position: fixed;
  top: 58px;
  right: 4em;
  padding: 0.5vw;
  background-color: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  display: none;
  z-index: 9999;
}

#header_search input.query {
  width: 10vw;
  font-size: 0.8vw;
  padding: 0.3vw;
}

#header_search #submit_button {
  width: 4vw;
  font-size: 0.8vw;
  height: 2em;
}

/*
スマホ用CSS
______________________________________________*/
@media screen and (max-width: 1000px) {
  #header_search_overlay {
    width: 100%;
    height: 100%;
    position: fixed;
    background-color: #fff;
    opacity: 0.5;
    z-index: 999;
    display: none;
    top: 0;
  }

  #header_search_sp {
    position: absolute;
    top: 30%;
    margin: auto;
    padding: 4vw;
    background-color: #fff;
    border-radius: 2px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    display: none;
    z-index: 9999;
    left: 0;
    right: 0;
    text-align: center;
    width: 78%;
    border-radius: 1vw;
  }

  #header_search_sp input.query {
    width: auto;
    height: 4vw;
    font-size: 4vw;
    padding: 3vw;
  }

  #header_search_sp #submit_button {
    width: 20vw;
    font-size: 4vw;
    height: 11vw;
  }

  #trans_btn_sp {
    position: absolute;
    right: 5vw;
    margin-top: 5vw;
    padding: 4vw;
    background-color: #fff;
    z-index: 9;
    border-radius: 8%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    font-size: 3vw;
  }

  #search_btn_sp {
    position: absolute;
    right: 5vw;
    margin-top: 19vw;
    padding: 2vw;
    background-color: #fff;
    z-index: 9;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    font-size: 3vw;
  }

  #search_btn_sp .material-icons {
    font-size: 8vw;
    color: #0081bd;
  }
}

/******************************************
フッター
******************************************/
#footer_sec {
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
  background-image: url(https://www.nibb.ac.jp//images/toppage/footer_bg.png);
  background-repeat: no-repeat;
  background-size: cover;
  padding: 25px 0;
  font-weight: 100;
}

#footer_sec .footer_inner {
  width: 80%;
  margin: 0 auto;
  overflow: hidden;
  padding: 0px 10% 0px;
  overflow: hidden;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flex;
  display: -o-flex;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-content: space-between;
}

.fotter_flex_box {
  float: left;
  text-align: left;
  display: block;
}

#footer_sec .footer_inner ul li a {
  color: #ffffff;
  font-size: 14px;
  line-height: 1.8;
}

#footer_sec .footer_inner ul {
  margin-bottom: 20px;
}

#footer_sec .footer_inner h4 {
  color: #ffffff;
  padding: 13px 0;
  font-size: 20px;
  font-weight: 300;
}

#footer_sec .sns_btn {
  width: 80%;
  margin: 0 auto;
  overflow: hidden;
  text-align: right;
  overflow: hidden;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flex;
  display: -o-flex;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-content: space-between;
  margin-top: -50px;
}

#footer_sec .sns_btn a img {
  width: 27px;
  float: right;
}

#footer_sec .sns_btn a:hover img {
  opacity: 0.7;
}

#footer_sec .sns_btn .left,
#footer_sec .sns_btn .right {
  width: 27px;
  float: left;
  padding-left: 5px;
}

#footer_sec .footer_address {
  width: 90%;
  text-align: right;
  line-height: 1.6;
  margin-top: 15px;
}

#footer_sec .footer_address p {
  color: #ffffff;
  font-size: 12px;
}

/*****************************************************
パンくず
*****************************************************/
.bread_list {
  width: auto;
  padding: 15px 40px;
}

.bread_list ul {
  text-align: right;
  font-size: 0px;
}

.bread_list ul li {
  display: inline-block;
  color: #333333;
  font-size: 12px;
  padding-left: 5px;
}

.bread_list ul li a {
  color: #999999;
}

/*
左メニュー
-----------------------------------------*/
#top_wrap .top_right {
  width: 55%;
  float: right;
  margin-top: 50px;
}

/*
左メニュー
-----------------------------------------*/
#top_wrap .top_left.pc_mode {
  width: 414px;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 0;
  background-size: cover;
  background-position: right 50px;
}

/*====TOPページ====*/
#top_wrap .top_left.pc_mode.top_left_img {
  background: url(https://www.nibb.ac.jp//images/toppage/top_page.png) no-repeat;
  background-size: cover;
  background-position: right 50px;
}

/*====研究所概要====*/
#top_wrap .top_left.pc_mode.outline_left_img {
  background: url(https://www.nibb.ac.jp//images/left_img/outline_left_img.png) no-repeat;
  background-size: cover;
  background-position: right 50px;
}

/*====ニュース====*/
#top_wrap .top_left.pc_mode.news_left_img {
  background: url(https://www.nibb.ac.jp//images/left_img/news_left_img.png) no-repeat;
  background-size: cover;
  background-position: right 50px;
}

/*====セミナー====*/
#top_wrap .top_left.pc_mode.seminar_left_img {
  background: url(https://www.nibb.ac.jp//images/left_img/seminar_left_img.png) no-repeat;
  background-size: cover;
  background-position: right 50px;
}

/*====大学院====*/
#top_wrap .top_left.pc_mode.univ_left_img {
  background: url(https://www.nibb.ac.jp//images/left_img/univ_left_img.png) no-repeat;
  background-size: cover;
  background-position: right 50px;
}

/*====研究部門・施設====*/
#top_wrap .top_left.pc_mode.sections_left_img {
  background: url(https://www.nibb.ac.jp//images/left_img/sections_left_img.png) no-repeat;
  background-size: cover;
  background-position: right 50px;
}

/*====共同利用研究====*/
#top_wrap .top_left.pc_mode.collabo_left_img {
  background: url(https://www.nibb.ac.jp//images/left_img/collabo_left_img.png) no-repeat;
  background-size: cover;
  background-position: right 50px;
}

/*====国際連携====*/
#top_wrap .top_left.pc_mode.interchange_left_img {
  background: url(https://www.nibb.ac.jp//images/left_img/interchange_left_img.png) no-repeat;
  background-size: cover;
  background-position: right 50px;
}

/*====その他====*/
#top_wrap .top_left.pc_mode.other_left_img {
  background: url(https://www.nibb.ac.jp//images/left_img/other_left_img.png) no-repeat;
  background-size: cover;
  background-position: right 50px;
}

#top_wrap .top_left.pc_mode .stick {
  width: 9px;
  float: left;
  height: 100%;
  overflow: hidden;
}

#top_wrap .top_left.pc_mode .left_menu .menu_list .stick img {
  height: 100%;
}

#top_wrap .top_left.pc_mode .left_menu {
  width: 206px;
  height: 100%;
  margin-top: 49px;
  float: left;
}

#top_wrap .top_left.pc_mode .left_menu a {
  font-weight: 500;
}

#top_wrap .top_left.pc_mode .left_menu .menu_img img {
  width: 100%;
}

#top_wrap .top_left.pc_mode .left_menu .menu_list {
  width: 206px;
  height: 100%;
  opacity: 0.9;

  background-color: #fff;
  margin-top: -2px;
}
@supports (-ms-ime-align: auto) {
  #top_wrap .top_left.pc_mode .left_menu .menu_list {
opacity: 1;
  }
}

#top_wrap .top_left.pc_mode .left_menu ul {
  width: 206px;
  float: left;
  margin-top: 21px;
  background-color: #fff;
}

#top_wrap .top_left.pc_mode .left_menu ul li {
  border-bottom: 1px solid #cccccc;
  padding: 0;
  margin-left: 20px;
  display: block;
  position: relative;
}

#top_wrap .top_left.pc_mode .left_menu ul li a {
  padding: 16px 20px;
  display: block;
  padding-left: 40px;
}

#top_wrap .top_left.pc_mode .left_menu ul li:hover {
  opacity: 1;
  cursor: pointer;
  background-color: #006da5;
  color: #fff;
}

#top_wrap .top_left.pc_mode .left_menu ul li:hover a {
  color: #fff;
}

#top_wrap .top_left.pc_mode .left_menu ul li:hover a:hover {
  opacity: 1;
}

#top_wrap .top_left.pc_mode .left_menu ul li ul.sub_menu_list {
  width: 0px;
  position: fixed;
  display: block;

transform: translate3d(0, 0, 0);
backface-visibility: hidden;
overflow: hidden;

  top: 0;
  left: 214px;
  overflow: hidden;
  background-color: #006da5;
  /*e3f9ff 00b9ef*/
  height: 100%;
  -moz-transition: width 0.2s ease-out, height 0.2s ease-out;
  -webkit-transition: width 0.2s ease-out, height 0.2s ease-out;
  -o-transition: width 0.2s ease-out, height 0.2s ease-out;
  -ms-transition: width 0.2s ease-out, height 0.2s ease-out;
  transition: width 0.2s ease-out, height 0.2s ease-out;
  opacity: 0;
}

#top_wrap .top_left.pc_mode .left_menu ul li ul.sub_menu_list li {
  width: 200px;
  padding: 0;
  overflow:visible;
}

#top_wrap .top_left.pc_mode .left_menu ul li:hover ul.sub_menu_list {
  width: 200px;
  height: 100%;
  padding-top: 60px;
  opacity: 1;
}

#top_wrap .top_left.pc_mode .left_menu ul li:hover ul.sub_menu_list li:hover {
  background-color: #e3f9ff;
}

#top_wrap .top_left.pc_mode .left_menu ul li:hover ul.sub_menu_list li:hover a {
  color: #333333;
}

#top_wrap .top_left.pc_mode .left_menu ul li:hover ul.sub_menu_list li {
  border: 0 none;
  margin: 0;
  /*padding-left: 35px;*/
}

#top_wrap .top_left.pc_mode .left_menu ul li ul.sub_menu_list li a {
  width: 200px;
  text-decoration: none;
  opacity: 0;
  display: block;
  padding: 16px 10px;
}

#top_wrap .top_left.pc_mode .left_menu ul li ul.sub_menu_list li a:hover {
  opacity: 1;
}

#top_wrap .top_left.pc_mode .left_menu ul li:hover ul.sub_menu_list li a {
  opacity: 1;
  padding-left: 20px;
}

#top_wrap .top_left.pc_mode .left_menu ul li:hover ul.sub_menu_list li a:hover {
  opacity: 1;
}

#top_wrap .top_left.pc_mode .left_menu .material-icons {
  margin-right: 5px;
  vertical-align: middle;
  position: absolute;
  top: 50%;
  bottom: 50%;
  left: 10px;
  margin: auto;
  font-size: 22px;
  color: #999;
}

#top_wrap .top_left.pc_mode .left_menu ul li:hover a .material-icons {
  color: #fff;
}

#page-top {
  position: fixed;
  bottom: 10px;
  right: 10px;
  font-size: 77%;
  z-index: 9999;
  width: 50px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  line-height: 0;
}

#page-top:hover {
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
}

#page-top a {
  text-decoration: none;
  color: #fff;
  width: 100%;
  display: block;
}

#page-top a:hover {
  text-decoration: none;
}

#page-top a img {
  width: 100%;
}

/*
スマホ用CSS
______________________________________________*/
@media screen and (max-width: 1000px) {
  #page-top {
    position: fixed;
    bottom: 5%;
    right: 4%;
    font-size: 77%;
    z-index: 9999;
    width: 15%;
  }

  #page-top a {
    text-decoration: none;
    color: #fff;
    width: 100%;
    display: block;
  }

  #page-top a:hover {
    text-decoration: none;
  }

  #page-top a img {
    width: 100%;
  }
}

/*
スマホ用CSS
______________________________________________*/
@media screen and (max-width: 1000px) {
  .pc_mode {
    display: none;
  }

  .sp_mode {
    display: block;
  }

  .sp_100 {
    width: 100%;
  }

  .sp_100 {
    width: 100% !important;
    height: auto !important;
  }

  header.sp_mode {
    display: block;
    width: 100%;
    z-index: 999;
    position: relative;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  }

  /*ハンバーガメニューのタイトル*/
  header.sp_mode h1 {
    padding-left: 30px;
    padding-top: 26px;
    padding-bottom: 26px;
    position: relative;
  }

  header.sp_mode h1 a span {
    display: block;
    color: rgb(102, 102, 102);
    font-weight: normal;
    font-family: 游明朝, YuMincho, "ヒラギノ明朝 ProN W3",
      "Hiragino Mincho ProN", HG明朝E, "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif;
    font-size: 2.4vw;
    line-height: 1.4;
    letter-spacing: 0.5vw;
  }

  header.sp_mode h1 a p {
    font-size: 4vw;
    line-height: 1.2;
    font-weight: 600;
  }

  /*ハンバーガーの三本線*/
  #navToggle {
    display: block;
    position: absolute;
    right: 30px;
    top: 32px;
    width: 120px;
    height: 120px;
    cursor: pointer;
  }

  #navToggle div {
    position: relative;
  }

  #navToggle span {
    display: block;
    position: absolute;
    width: 48px;
    height: 5px;
    -webkit-transition: 0.35s ease-in-out;
    -moz-transition: 0.35s ease-in-out;
    transition: 0.35s ease-in-out;
    background: -webkit-linear-gradient(-45deg,
      #095dab 0%,
      #095dab 17%,
      #095dab 33%,
      #0491d1 67%,
      #02a4df 83%,
      #01ace5 100%);
    background: -moz-linear-gradient(-45deg,
      #095dab 0%,
      #095dab 17%,
      #095dab 33%,
      #0491d1 67%,
      #02a4df 83%,
      #01ace5 100%);
    background: linear-gradient(-45deg,
      #095dab 0%,
      #095dab 17%,
      #095dab 33%,
      #0491d1 67%,
      #02a4df 83%,
      #01ace5 100%);
  }

  #navToggle span:nth-child(1) {
    top: 0;
    right: 5px;
  }

  #navToggle span:nth-child(2) {
    top: 14px;
    right: 5px;
  }

  #navToggle span:nth-child(3) {
    top: 28px;
    right: 5px;
  }

  #navToggle p {
    background: #333;
    background: -webkit-linear-gradient(-45deg,
      #095dab 0%,
      #095dab 17%,
      #095dab 33%,
      #0491d1 67%,
      #02a4df 83%,
      #01ace5 100%);
    -webkit-text-fill-color: transparent;
    -webkit-background-clip: text;
    text-align: right;
    padding-top: 40px;
    -webkit-transition: 0.35s ease-in-out;
    -moz-transition: 0.35s ease-in-out;
    transition: 0.35s ease-in-out;
  }

  /*メニュー*/
  header.sp_mode nav.header_nav {
    position: absolute;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    width: 100%;
    -webkit-transition: 0.5s ease-in-out;
    -moz-transition: 0.5s ease-in-out;
    transition: 0.5s ease-in-out;
    text-align: left;
    /* margin-top: -800px; */
    max-height: 0;
    font-weight: 400;
    overflow: hidden;
  }

  header.sp_mode.openNav #navToggle span:nth-child(1) {
    top: 20px;
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    transform: rotate(-45deg);
  }

  header.sp_mode.openNav #navToggle span:nth-child(2),
  header.sp_mode.openNav #navToggle span:nth-child(3) {
    top: 20px;
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    transform: rotate(45deg);
  }

  header.sp_mode.openNav nav.header_nav {
    /* -moz-transform: translateY(800px);
	    -webkit-transform: translateY(800px);
		transform: translateY(800px); */
    z-index: 1;
    height: auto;
    max-height: 800em;
    -webkit-transition: 0.5s ease-in-out;
    -moz-transition: 0.5s ease-in-out;
    transition: 0.5s ease-in-out;
  }

  header.sp_mode.openNav #navToggle p {
    opacity: 0;
  }

  /*アコーディオン*/
  #acMenu dl#acMenu {}

  #acMenu dt {
    display: block;
    width: 100%;
    cursor: pointer;
    border-bottom: 1px solid #cccccc;
  }

  #acMenu dt p {
    width: 90%;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    font-size: 4.2vw;
    padding: 1em 0;
  }

  #acMenu dt p span {
    position: absolute;
    width: 4%;
    height: 8vw;
    top: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    background-image: url(https://www.nibb.ac.jp//images/head_menu_arrow.png);
    background-repeat: no-repeat;
    background-position: center right;
    -webkit-transition: 0.5s ease-in-out;
    -moz-transition: 0.5s ease-in-out;
    transition: 0.5s ease-in-out;
    background-size: contain;
    -webkit-transform: rotate(90deg);
    -moz-transform: rotate(90deg);
    transform: rotate(90deg);
  }

  #acMenu dt.select p span {
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    transform: rotate(0deg);
  }

  #acMenu dd {
    background: rgba(0, 109, 165, 0.8);
    width: 100%;
    height: auto;
    line-height: 10vw;
    display: none;
  }

  #acMenu dd a {
    display: block;
    padding: 0 8vw;
    line-height: 3.5em;
    font-size: 3.8vw;
    border-bottom: 0.1vw #ccc solid;
    color: #fff;
  }

  /*フッター*/
  #footer_sec_sp {
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    background: -moz-linear-gradient(-14.01% 91.02% 45deg,
      rgba(22, 87, 122, 1) 0%,
      rgba(18, 202, 220, 1) 100%);
    background: -webkit-linear-gradient(45deg,
      rgba(22, 87, 122, 1) 0%,
      rgba(18, 202, 220, 1) 100%);
    background: -webkit-gradient(linear,
      -14.01% 91.02%,
      114.01% 8.98%,
      color-stop(0, rgba(22, 87, 122, 1)),
      color-stop(1, rgba(18, 202, 220, 1)));
    background: -o-linear-gradient(45deg,
      rgba(22, 87, 122, 1) 0%,
      rgba(18, 202, 220, 1) 100%);
    background: -ms-linear-gradient(45deg,
      rgba(22, 87, 122, 1) 0%,
      rgba(18, 202, 220, 1) 100%);
    -ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr='#16577A', endColorstr='#12CADC' ,GradientType=0)";
    background: linear-gradient(45deg,
      rgba(22, 87, 122, 1) 0%,
      rgba(18, 202, 220, 1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#16577A', endColorstr='#12CADC', GradientType=1);
    padding: 0;
    font-weight: 100;
    padding-bottom: 100px;
    position: relative;
  }

  #footer_sec_sp .footer_aco {
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
  }

  #footer_sec_sp .medaka_bg {
    position: absolute;
    width: 100%;
    top: 40px;
    opacity: 0.06;
  }

  #acMenu_sp dt {
    display: block;
    width: 100%;
    line-height: 1.6;
    font-size: 3.5vw;
    cursor: pointer;
    padding: 20px 0px;
    color: #ffffff;
    border-bottom: 0.05vw solid #ffffff;
  }

  #acMenu_sp dt p {
    width: 93%;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    font-size: 4.5vw;
    font-weight: 400;
  }

  #acMenu_sp dt.select p {}

  #acMenu_sp ul {
    display: block;
    width: 100%;
    line-height: 1.6;
    font-size: 3.5vw;
    cursor: pointer;
    padding: 20px 0px;
    color: #ffffff;
    border-bottom: 1px solid #ffffff;
  }

  #acMenu_sp ul p {
    width: 93%;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
  }

  #acMenu_sp ul p a {
    display: block;
    width: 100%;
    font-size: 4.5vw;
  }

  #acMenu_sp ul p span {
    position: absolute;
    width: 5%;
    height: 8vw;
    top: -1px;
    right: 0px;
    background-image: url(https://www.nibb.ac.jp//images/foot_menu_arrow.png);
    background-repeat: no-repeat;
    background-position: right;
    -webkit-transition: 0.5s ease-in-out;
    -moz-transition: 0.5s ease-in-out;
    transition: 0.5s ease-in-out;
    background-size: contain;
  }

  #acMenu_sp ul a {
    color: #ffffff;
  }

  #acMenu_sp dt p a {
    display: block;
    width: 100%;
    font-weight: 400;
  }

  #acMenu_sp dt p span {
    position: absolute;
    width: 5%;
    height: 8vw;
    top: -1px;
    right: 00px;
    background-image: url(https://www.nibb.ac.jp//images/foot_menu_arrow.png);
    background-repeat: no-repeat;
    background-position: right;
    -webkit-transition: 0.5s ease-in-out;
    -moz-transition: 0.5s ease-in-out;
    transition: 0.5s ease-in-out;
    background-size: contain;
  }

  #acMenu_sp dt.select p span {
    -webkit-transform: rotate(-90deg);
    -moz-transform: rotate(-90deg);
    transform: rotate(-90deg);
    top: -5px;
  }

  #acMenu_sp dt a {
    color: #ffffff;
  }

  #acMenu_sp dd {
    background: rgba(227, 249, 255, 0.7);
    width: 100%;
    height: auto;
    line-height: 12vw;
    display: none;
  }

  #acMenu_sp dd a {
    display: block;
    color: #333;
    font-size: 3.5vw;
    font-weight: 400;
    width: 88%;
    padding: 0 6%;
    margin: 0 auto;
    overflow: hidden;
    border-bottom: #999 0.01vw solid;
  }

  #acMenu_sp dd a:last-of-type {
    border: none;
  }

  #footer_sec_sp .sns_btn_sp {
    width: 92%;
    margin: 30px auto;
    overflow: hidden;
  }

  #footer_sec_sp .sns_btn_sp a {
    display: block;
    max-width: 60px;
    width: 10%;
    float: right;
    padding-left: 15px;
  }

  #footer_sec_sp .sns_btn_sp a img {
    width: 100%;
  }

  #footer_sec_sp .footer_address_sp {
    width: 94%;
    margin: 0 auto;
    overflow: hidden;
    text-align: center;
  }

  #footer_sec_sp .footer_address_sp p {
    color: #ffffff;
    font-size: 3.1vw;
    line-height: 1.6;
    padding: 0.1em 0;
    letter-spacing: 0.1em;
  }

  /*
	左メニュー
	-----------------------------------------*/
  #top_wrap .top_left {
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    position: static;
  }

  #top_wrap .top_left.sp_mode {
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
  }

  #top_wrap .top_left.sp_mode>img {
    width: 100%;
    padding: 0;
    display: block;
  }

  #top_wrap .top_left.sp_mode .logo_img {
    position: absolute;
    width: 28%;
    top: 0;
    left: 2%;
  }

  #top_wrap .top_left.sp_mode .logo_img img {
    width: 100%;
  }

  #top_wrap .top_left.sp_mode .stick {
    position: absolute;
    width: 2%;
    top: 0;
    left: 0;
  }

  #top_wrap .top_left.sp_mode .stick img {
    width: 100%;
  }

  /*
	右メニュー
	-----------------------------------------*/
  #top_wrap .top_right {
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    margin-top: -1px;
  }

  /*****************************************************
	パンくず
	*****************************************************/
  .bread_list {
    width: 94%;
    padding: 2em 3%;
  }

  .bread_list ul {
    text-align: right;
    font-size: 0px;
  }

  .bread_list ul li {
    display: inline-block;
    color: #333333;
    font-size: 3vw;
    padding-left: 5px;
    line-height: 1.3;
  }

  .bread_list ul li a {
    color: #999999;
  }
}

/*
スマホ用CSS
______________________________________________*/
@media screen and (max-width: 700px) {
  header.sp_mode h1 a span {
    display: block;
    color: rgb(102, 102, 102);
    font-weight: normal;
    font-family: 游明朝, YuMincho, "ヒラギノ明朝 ProN W3",
      "Hiragino Mincho ProN", HG明朝E, "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif;
    font-size: 2.4vw;
    line-height: 1.4;
    letter-spacing: 0vw;
  }

  header.sp_mode h1 a p {
    font-size: 4vw;
    line-height: 1.5;
    letter-spacing: 0;
  }
}

/*
500以下
______________________________________________*/
@media screen and (max-width: 500px) {
  header.sp_mode h1 {
    padding-left: 20px;
    padding-top: 20px;
    padding-bottom: 20px;
    position: relative;
  }

  #navToggle {
    display: block;
    position: absolute;
    right: 30px;
    top: 20px;
    width: 80px;
    height: 80px;
    cursor: pointer;
  }

  #navToggle div {
    position: relative;
  }

  #navToggle span {
    display: block;
    position: absolute;
    width: 40px;
    height: 3px;
    -webkit-transition: 0.35s ease-in-out;
    -moz-transition: 0.35s ease-in-out;
    transition: 0.35s ease-in-out;
    background: -webkit-linear-gradient(-45deg,
      #095dab 0%,
      #095dab 17%,
      #095dab 33%,
      #0491d1 67%,
      #02a4df 83%,
      #01ace5 100%);
    background: -moz-linear-gradient(-45deg,
      #095dab 0%,
      #095dab 17%,
      #095dab 33%,
      #0491d1 67%,
      #02a4df 83%,
      #01ace5 100%);
    background: linear-gradient(-45deg,
      #095dab 0%,
      #095dab 17%,
      #095dab 33%,
      #0491d1 67%,
      #02a4df 83%,
      #01ace5 100%);
  }

  #navToggle span:nth-child(1) {
    top: 0;
    right: 5px;
  }

  #navToggle span:nth-child(2) {
    top: 10px;
    right: 5px;
  }

  #navToggle span:nth-child(3) {
    top: 20px;
    right: 5px;
  }

  #navToggle p {
    background: #333;
    background: -webkit-linear-gradient(-45deg,
      #095dab 0%,
      #095dab 17%,
      #095dab 33%,
      #0491d1 67%,
      #02a4df 83%,
      #01ace5 100%);
    -webkit-text-fill-color: transparent;
    -webkit-background-clip: text;
    text-align: right;
    padding-top: 30px;
    -webkit-transition: 0.35s ease-in-out;
    -moz-transition: 0.35s ease-in-out;
    transition: 0.35s ease-in-out;
    font-size: 12px;
  }

  header.sp_mode.openNav #navToggle span:nth-child(1) {
    top: 15px;
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    transform: rotate(-45deg);
  }

  header.sp_mode.openNav #navToggle span:nth-child(2),
  header.sp_mode.openNav #navToggle span:nth-child(3) {
    top: 15px;
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    transform: rotate(45deg);
  }
}