* {
    margin: 0px;
    padding: 0px;
}
#wrapper {
  width:100%;
  overflow:hidden;
}

.img_zlayer{
  z-index: 1;
}

body{
  padding:0;
}

/* @import url(https://fonts.googleapis.com/css?family=Open+Sans:600); */

.a_none{
  text-decoration: none;
  color: #4169E1;
}
.textcenter{
  text-align: center;
  padding-left: calc(50% - 100px);
}
.blawnkan {
  display: flex;
  height: 36px;
  font-size: 36px;
  color: #4169E1;
  animation: neonBlur 16s infinite;
  font-weight: 300;
  text-align: center;
}
.blawnkan > span:nth-child(1) {
  opacity: .5;
  font-weight: 800;
}
.blawnkan > span:nth-child(2) {
  animation: neonBlink 5s infinite;
}
.blawnkan > span:nth-child(3) {
  opacity: .4;
}
.blawnkan > span:nth-child(4) {
  animation: neonBlink 2s infinite;
}

@keyframes neonBlink {
  0% { opacity: 1; }
  10% { opacity: .6; }
  12% { opacity: 1; }
  15% { opacity: .4; }
  17% { opacity: 1; }
  18% { opacity: .3; }
  19% { opacity: 1; }
  89% { opacity: 1; }
  91% { opacity: .7; }
  94% { opacity: 1; }
  100% { opacity: 1; }
}

@keyframes neonBlur {
  0% { text-shadow: 0px 0px 25px #4169E1; }
  50% { text-shadow: 0px 0px 75px #191970; filter: blur(0.5px) }
  100% { text-shadow: 0px 0px 25px #00008B; }
}rgin: 0;
  font-family: 'Dosis';
  display: flex;
  align-items: center;
  justi

  .text-progress {
      position: relative;
      width: 300px;
      height: 100px;
      line-height: 100px;
      margin: 0 auto;
      font-size: 20px;
      text-align: center;
      color: #ccc;
  }

  .text-progress::after {
      content: attr(data-txt);
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100px;
      line-height: 100px;
      color: #1a1e24;
      clip: rect(0,0,100px,0);
      transition: clip 1.5s linear;
  }

  .text-progress:hover::after {
      clip: rect(0,300px,100px,0);
  }




#symbol_logo{
  right:0;
  top:-10px;
  width: 300px;
  height: 100px;
  object-fit: cover;
  z-index: 99999;
  position: absolute;
  opacity: 0.6;
}
#symbol_logo_each_home{
  right:0;
  top:-10px;
  width: 260px;
  height: 80px;
  object-fit: cover;
  z-index: 99999;
  position: absolute;
  /* opacity: 0.6; */
}
#whitebox{
  right:0;
  top:-40px;
  width: 485px;
  height: 170px;
  right: -100px;
  /* object-fit: cover; */
  z-index: 99999;
  position: absolute;
  opacity: 1.0;
}

#circle_white{
  z-index: 99;
  float: left;
  position: fixed;
  padding: 1.3px;
  opacity: 0.7;
  width:51px;
  height:51px;
}

.kanji_raku{
  width: 15%;
  /* height: auto; */
}
.header_img_size{
  width: 40%;
  height: auto;
  text-align:center;
  /* position: absolute; */
  margin: 0;
  /* top: 50%; */
  left: 35%;
  top:0;
  position: absolute;
  z-index: 9999;

}
.header_img_size2{
  width: 100%;
  height: 100px;
  text-align:center;
  position: relative;
  margin: 0;
  /* top: 50%; */
  left: 0%;
  padding:0;

   z-index: 9999;

}

/* .header_grad {
  display: inline-block;
  position: relative;
  width: 40%;
  height: 40%;
}
.header_grad:after{
  position: absolute;
  display: block;
  content: "";
  top: 0;
  left: 0;
  width: 40%;
  height: 40%;
  background: linear-gradient(left, rgba(255, 255, 255, 0) 40%, #fff 100%);
} */





header {
  /* background-color: pink; */
  /* text-align: right; */
  /* padding: 10px; */
  /* background-image: url(../gifu-university-logo.jpg);
  height: 240px;
  background-size:  cover;
  background-position: 50% 50%;
  margin-bottom:  60px; */
  margin: 0;
}

header ul{
  margin: 0;
  list-style-type: none;
  padding-left: 0;
}

header li{
  /* display: inline-block;
  padding-top: 4px;
  padding-bottom: 4px;
  padding-left: 8px;
  padding-right: 8px;
  padding: 4px 8px;
  font-size: 12px; */
}

header li > a{
  text-decoration: none;
  list-style: none;
  color: inherit;
}
.textdecorationnone{
  list-style: none;
}

header li > a:hover{
  color: royalblue;
}



/* イントロボックスの制御 */
#hover_target li > a {
  display: inline-block;
  /* padding-bottom: 4px; */
  position: relative;
}

#hover_target li > a::after {
  background-color: black;
  bottom: 0;
  content: '';
  display: block;
  height: 1px;
  left: 30%;
  position: absolute;
  transition: .5s all;
  width: 0;
}

#hover_target li > a:hover::after {
  width: 40%;
}

/* 愛フォン用 */
#hover_target_iphone li > a {
  display: inline-block;
  /* padding-bottom: 4px; */
  position: relative;
}

#hover_target_iphone li > a::after {
  background-color: black;
  bottom: 0;
  content: '';
  display: block;
  height: 1px;
  left: 30%;
  position: absolute;
  transition: .5s all;
  width: 0;
}

#hover_target_iphone li > a:hover::after {
  width: 40%;
}
@media (max-width: 768px) {
	#hover_target {
    display: none;
    /* height: 500px; これも無意味*/
	}
  .intros_size{
    display: none;
  }

}

.subnails_for_iphone{
  text-align: center;
  width: auto;
  height: 200px;

  text-align: center;
  object-fit: cover;
  }

.inline_block{
  display: inline-block;
  text-align: center;
  width: 100%;
}

@media (min-width: 768px) {
	.subnails_for_iphone{
    display: none;
    text-align: center;
    width: auto;
  }
}
.parent{
  /* border: 1px solid #aaa; */
  text-align: center;
  width: auto;
}
.inner{
   display:inline-block;
   /* border: 1px dashed #ccc; */
   width:auto;
}
.tablecell{
  /* border: 1px solid #aaa; */
  text-align: center;
  display: table-cell;
  vertical-align: middle;
  width: auto;
  height: 250px;
  margin: 20px;
}










#hover_target_vector_left  > a {
  display: inline-block;
  /* padding-bottom: 4px; */
  position: relative;
}

#hover_target_vector_left  > a::after {
  background-color: black;
  bottom: 0;
  content: '';
  display: block;
  height: 1px;
  left: 10%;
  position: absolute;
  transition: .5s all;
  width: 0;
}

#hover_target_vector_left  > a:hover::after {
  width: 80%;
}

#hover_target_vector_middle  > a {
  display: inline-block;
  /* padding-bottom: 4px; */
  position: relative;
}

#hover_target_vector_middle  > a::after {
  background-color: black;
  bottom: 0;
  content: '';
  display: block;
  height: 1px;
  left: 0%;
  position: absolute;
  transition: .5s all;
  width: 0;
}

#hover_target_vector_middle  > a:hover::after {
  width: 100%;
}



.intro_margin{
  margin-right: 2%;
}




/* footer{
  width: 400px;
  margin: 0 auto 60px;
} */


footer ul{
  margin: 0;
  list-style-type: none;
  padding-left: 0;
  float: right;
}

footer li{
  display: inline-block;
  /* padding-top: 4px;
  padding-bottom: 4px;
  padding-left: 8px;
  padding-right: 8px; */
}


footer li > a:hover{
  opacity: 0.6;
  text-decoration: none;
}

footer p{
  color: lightgray;
  font-size: 14px;
  text-align: right;
}
#footer{
  text-decoration: none;
  color: #000000;
}




/* .container {
  width: 600px;
  margin: 0 auto;
} */



/* ul {
  list-style: none;
  padding: 10px;
  margin: 20px;

} */


main img {
  /* box-sizing:border-box */
  width: 100%;
  height: 400px;
  object-fit: cover;
  padding: 0;
  border: 0;
  margin: 0;
}

nav {
  margin-bottom: 0px;
}

/* nav ul {
  display: flex;
  justify-content: space-between;
} */

/* nav li {
  width: 60px;
  border: 1px solid #dedede;
  border-radius: 4px;
  font-size: 12px;
  padding: 4px;
  text-align: center;
  cursor: pointer;
  user-select: none;
} */

nav li:hover {
  /* background: #f8f8f8; */
}

#play, #pause {
  width: 0px;
}
#next{
  width: 20%;
  height: auto;
  /* right: 20px; */
  top: 220px;
  position: absolute;
  vertical-align: bottom;
  margin-left: 270px;
  filter:drop-shadow(2px 2px 2px #aaa);
}

.thumbnails {
  /* display: grid;
  grid-template-columns: repeat(5, 56px);
  gap: 5px; */
}

.thumbnails li {
  cursor: pointer;
  opacity: 0.4;
}

.thumbnails li:hover {
  opacity: 1;
}

.thumbnails li.current {
  opacity: 1;
}

.thumbnails img {
  width: 56px;
  vertical-align: bottom;
}

.hidden {
  display: none;
}

body div ul li > a{
  text-decoration: none;
  color: inherit;
}

body div ul li > a:hover{
  /* color: royalblue; */
}
#menu_hover li > a:hover{
  color: royalblue;
}

.current_home{
  border-bottom: 2px solid royalblue;
  width: 55px;
}
.current_home_lec{
  border-bottom: 2px solid royalblue;
  width: 80px;
}
.current_home_about{
  border-bottom: 2px solid royalblue;
  width: 100px;
}
.current_home_blogs{
  border-bottom: 2px solid royalblue;
  width: 50px;
}
.current_home_activity{
  border-bottom: 2px solid royalblue;
  width: 75px;
}
.current{
  border-bottom: 2px solid royalblue;
}



.intro_img{
  /* display: flex; */
  /* float:left; */
  /* display: -webkit-flex; */
  /* display: flex; */
  /* justify-content: center; */

  display: flex;
  justify-content: center;
  /* text-align: center; */
  padding:0;
  list-style: none;
  /* overflow: hidden; */
}


.hidden_frame{
  overflow: hidden;
  width: 240px;
  height: 100px;
}
.hidden_frame_iphone{
  overflow: hidden;
  width: auto;
}

.margin_between{
  width: 240px;
  height: 100px;
}
.margin_between_small{
  width: 240px;
  height: 50px;
}
.img_style_left{
  /* overflow: hidden; */
  width: 240px;
  height: 100px;
  object-fit: cover;
  /* margin-left:20px; */
  /* margin-right:20px; */
}
.img_style_middle{
  /* overflow: hidden; */
  width: 240px;
  height: 100px;
  object-fit: cover;
  /* margin-left:20px; */
  /* margin-right:20px; */

}
.img_style_right{
  /* overflow: hidden; */
  width: 240px;
  height: 100px;
  object-fit: cover;
  /* margin-left:20px; */
  /* margin-right:20px; */
}

.line_change {
  word-wrap: break-word;
  width:200px;
  /* margin-left: 20px; */
  margin-right: 70px;
  margin-top: 5px;
  margin-bottom: 100px
  /* background:skyblue */
}
.line_change_exindex {
  word-wrap: break-word;
  width:220px;
  /* margin-left: 20px; */
  margin-right: 10px;
  margin-left: 12px;
  margin-top: 5px;
  /* margin-bottom: 100px */
  /* background:skyblue */
}

/* .img_style2{
  width: 100%;
  height: auto;

} */

.scale img:hover {
  -webkit-transform: scale(1.1);
  -moz-transform: scale(1.1);
  -o-transform: scale(1.1);
  -ms-transform: scale(1.1);
  transform: scale(1.1);
  cursor : pointer;
}
/* .scale img:hover {
    zoom: 1.5;
} */

.scale img {
    -moz-transition: -moz-transform 0.5s linear;
    -webkit-transition: -webkit-transform 0.5s linear;
    -o-transition: -o-transform 0.5s linear;
    -ms-transition: -ms-transform 0.5s linear;
    transition: transform 0.5s linear;
}

/* introたちにかぶせるやつ */
.intro_whitebox_right{
  opacity: 0.5;
  position: absolute;
  width: 240px;
  height: 100px;
}
.intro_whitebox_middle{
  opacity: 0.5;
  position: absolute;
  width: 240px;
  height: 100px;
}

/* 線伸びるやつ */
.underline {
  display: inline-block;
  padding-bottom: 4px;
  position: relative;
}

.underline::after {
  background-color: black;
  bottom: 0;
  content: '';
  display: block;
  height: 1px;
  left: 0;
  position: absolute;
  transition: .5s all;
  width: 0;
}

.underline:hover::after {
  width: 100%;
}


.explain_font{
  font-weight: bold;
  /* margin-left:20px;
  margin-right:20px; */
}

.box21{
    padding: 0.1em 1em 3em 1em;
    background: -moz-linear-gradient(#ffb03c, #ff708d);
    background: -webkit-linear-gradient(#ffb03c, #ff708d);
    background: linear-gradient(to right, #000, #fff);
    color: #FFF;
    border:0;
    /* line-height:0; */
    margin: 0px 0px 0px 0px;
}

.footer_icon img{
  width: 20px;
  height: 20px;
  margin: 10px;

}

/* .box_header{
    padding: 1em 10em;
    background: -moz-linear-gradient(#ffffcc, #ffccff);
    background: -webkit-linear-gradient(#ffffcc, #ffccff);
    background: linear-gradient(to right, #ffffcc, #ffccff);
    color: #FFF;
    margin: -10px -10px 0px -10px;
    border: -100px;
} */

/* .box21 p {
    margin: 0;
    padding: 0;
} */


/* .box25{
    position: relative;
    background: #fff0cd;
    box-shadow: 0px 0px 0px 5px #fff0cd;
    border: dashed 2px white;
    padding: 0.2em 0.5em;
    color: #454545;
}
.box25:after{
    position: absolute;
    content: '';
    right: -7px;
    top: -7px;
    border-width: 0 15px 15px 0;
    border-style: solid;
    border-color: #ffdb88 #fff #ffdb88;
    box-shadow: -1px 1px 1px rgba(0, 0, 0, 0.15);
}
.box25 p {
    margin: 0;
    padding: 0;
} */





/* ここからしたはスライドショーを動かすやつ */
.ani_box_for {
  animation: forward 4s;
}

@keyframes forward {
  from{
    left:-100%;
    opacity: 0;
  }
  to{
    left:0px;
    opacity: 1;
  }
}





/* ここからはaboutus */
.head_back_about{
  position: absolute;
  right: 0;
  top:205px;
  width: 300px;
  height: 100px;
  right: 0px;
}

.line_change_about {
  word-wrap: break-word;
  width:50%;
  /* margin: auto; */
  margin-left: calc(25%);
  /* text-align: center; */
  /* background:skyblue */
}
@media (max-width: 768px) {
  .line_change_about {
    word-wrap: break-word;
    width:90%;
    /* margin: auto; */
    margin-left: calc(5%);
    /* text-align: center; */
    /* background:skyblue */
  }
}

.student_ratio_size{
  width:380px;
  height:520px;
  object-fit: cover;
}

.shutten{
  margin-left: 50%;
  word-wrap: break-word;
  width:230px;
  font-size: 10px;
  color: #C0C0C0;
  text-align: right;
}

.a_deco_none{
  /* text-decoration: none; */
  color: #C0C0C0;

}

/* what's　楽tan*/
h4 {
  position: relative;
  /* display: inline-block; */
  padding: 0 55px;
  align: center;
  font-size: 70px;
  margin-bottom: 20px;
  margin-top: 60px;
}

h4:before {
  content: '';
  position: absolute;
  top: 50%;
  display: inline-block;
  width: 45px;
  height: 2px;
  border-top: solid 1px black;
  border-bottom: solid 1px black;
}
h4:after {
  content: '';
  position: absolute;
  top: 50%;
  display: inline-block;
  width: 45px;
  height: 2px;
  border-top: solid 1px black;
  border-bottom: solid 1px black;
}

h4:before {
  left:calc(50% - 250px);
}
h4:after {
  /* right: 35%; */
}

/* members */
h5 {
  position: relative;
  /* display: inline-block; */
  padding: 0 55px;
  align: center;
  font-size: 70px;
  margin-bottom: 20px;
  margin-top: 60px;
}

h5:before {
  content: '';
  position: absolute;
  top: 50%;
  display: inline-block;
  width: 45px;
  height: 2px;
  border-top: solid 1px black;
  border-bottom: solid 1px black;
}
h5:after {
  content: '';
  position: absolute;
  top: 50%;
  display: inline-block;
  width: 45px;
  height: 2px;
  border-top: solid 1px black;
  border-bottom: solid 1px black;
}

h5:before {
  left:calc(50% - 220px);
}
h5:after {
  /* right: 35%; */
}

.mitsuki{
  width:430px;
  height:415px;
  object-fit: cover;
}

.moto{
  width:400px;
  height:600px;
  object-fit: cover;
}

/* aboutに載せる紹介文の見出し */
.komidashi {
  position: relative;
  left:calc(50% - 170px);
  display: inline-block;
  margin-bottom: 1em;
  font-size: 1.8em;
}

.komidashi:before {
  content: '';
  position: absolute;
  bottom: -15px;
  display: inline-block;
  width: 60px;
  height: 5px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  background-color: black;
  border-radius: 2px;
}

.komidashi_mitsuki {
  position: relative;
  left:calc(50% - 170px);
  display: inline-block;
  margin-bottom: 1em;
  font-size: 1.8em;
}

.komidashi_mitsuki:before {
  content: '';
  position: absolute;
  bottom: -15px;
  display: inline-block;
  width: 60px;
  height: 5px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  background-color: black;
  border-radius: 2px;
}

.komidashi_moto {
  position: relative;
  left:calc(50% - 70px);
  display: inline-block;
  margin-bottom: 1em;
  font-size: 1.8em;
}

.komidashi_moto:before {
  content: '';
  position: absolute;
  bottom: -15px;
  display: inline-block;
  width: 60px;
  height: 5px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  background-color: black;
  border-radius: 2px;
}


/* aboutに載せるメンバーの名前の装飾 */

.member_name{
  text-align: center;
  text-transform: uppercase;
  font-family: 'Nunito', sans-serif;
  font-size: 5.375em;
  color: transparent;
  letter-spacing: 0.1em;
  text-shadow:
    /* 0 0 2px rgba(204, 208, 212,0.9), */
    0 0 2px rgba(255, 255, 255,0.9),
    0 15px 25px rgba(0, 0, 0, 0.3),
    0 -2px 3px rgba(0, 0, 0, 0.1),
    0 -5px 10px rgba(255, 255, 255, 0.5),
    0 5px 10px rgba(0, 0, 0, 0.3),
    0 3px 4px rgba(255, 255, 255, 0.2),
    0 0 20px rgba(255, 255, 255, 0.45);
}








/* ここからはlecture_homeの記述 */
.lec_home_head {
  /* box-sizing:border-box */
  width: 100%;
  height: 400px;
  object-fit: cover;
  padding: 0;
  border: 0;
  margin: 0;
}
.home_title{
  text-align: center;
  font-weight: bold;
  font-size: 480%;
  padding: 0;
  line-height: 102%;
  margin-top: 20px;
}
.stripe{
  position: relative;
  top:0px;
  /* padding: 0.3em; */
}
.stripe:after {
  content: '';
  position: absolute;
  left:calc(50% - 180px);
  bottom: 0;
  width:calc(360px);
  height: 7px;
  background: repeating-linear-gradient(-45deg, white, black 2px, white 1px, white 1px);
}
.stripe_head{
  position: relative;
  top:0px;
  /* padding: 0.3em; */
}
.stripe_head:after {
  content: '';
  position: absolute;
  left: 0%;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: repeating-linear-gradient(-45deg, white, black 2px, white 1px, white 1px);
}

.intro_lec_font{
  left:30%;
  font-family:HiraMinProN-W6;
  text-align: center;
}
.intro_youtube_font{
  left:10%;
  font-family:HiraMinProN-W6;
}

.intro_youtube_font_middle{
  left:0%;
  font-family:HiraMinProN-W6;
  word-wrap: break-word;
  width:250px;
}






/* ここから先は微積のホーム */

.head_each_home{
  /* box-sizing:border-box */
  width: 100%;
  height: 300px;
  object-fit: cover;
  padding: 0;
  border: 0;
  margin: 0;
}
.head_back_differential{
  position: absolute;
  right: 0;
  top:205px;
  width: 280px;
  height: 100px;
  right: 0px;
}
.head_letter{
  position: absolute;
  right: 60px;
  top:230px;

  font-weight: bold;
  font-size: 200%;
}

.youtube_style_left{
  /* overflow: hidden; */
  width: 240px;
  height: 135px;
  object-fit: cover;
  /* margin-left:20px; */
  /* margin-right:20px; */
}
.youtube_style_middle{
  /* overflow: hidden; */
  width: 240px;
  height: 135px;
  object-fit: cover;
  /* margin-left:20px; */
  /* margin-right:20px; */

}
.youtube_style_right{
  /* overflow: hidden; */
  width: 240px;
  height: 135px;
  object-fit: cover;
  /* margin-left:20px; */
  /* margin-right:20px; */
}
.hidden_frame_youtube{
  overflow: hidden;
  width: 240px;
  height: 135px;
}



/* ここから先は線形代数 */
.head_back_vector{
  position: absolute;
  right: 0;
  top:205px;
  width: 260px;
  height: 100px;
  right: 0px;
}


/* 各動画ページについて */
.youtube_title{
  /* text-align: center; */
  font-family:HiraMinProN-W6;
  font-size: 20px;
  margin-bottom: 10px;
}
.align_center {
  /* display: inline-block; */
  text-align: center;

}


.twitter-wrap {
	width: 90%;
  /* height: 500px; これ無意味*/
	margin: 20px auto;
  margin-bottom: 0;
	border-left: 2px solid #037;
	border-right: 2px solid #037;
	border-top: 8px solid #037;
	border-bottom: 4px solid #037;
	box-shadow: 0px 2px 2px rgba(0, 0, 0, .4);
  height: 500px
  overflow: hidden;
}
.twitter-wrap h2 {
	border: none;
	font-size: 24px;
	padding: 5px;
	margin: 0;
	color: #037;
	background-color: #fff;
}
@media (min-width: 768px) {
	.twitter-wrap {
		width: 40%;
    /* height: 500px; これも無意味 */
	}
}




.note_question{
  width: 500px;
  height: 100%;
}

.notes{
  width:380px;
  height:500px;
  object-fit: cover;
}
.margin_left{
  margin-left: 5%;
}

h1 {
  position: relative;
  /* display: inline-block; */
  padding: 0 55px;
  align: center;
  font-size: 70px;
  margin-bottom: 30px;
}

h1:before {
  content: '';
  position: absolute;
  top: 50%;
  display: inline-block;
  width: 45px;
  height: 2px;
  border-top: solid 1px black;
  border-bottom: solid 1px black;
}
h1:after {
  content: '';
  position: absolute;
  top: 50%;
  display: inline-block;
  width: 45px;
  height: 2px;
  border-top: solid 1px black;
  border-bottom: solid 1px black;
}

h1:before {
  left:calc(50% - 150px);
}
h1:after {
  /* right: 35%; */
}


h2 {
  position: relative;
  /* display: inline-block; */
  padding: 0 55px;
  align: center;
  font-size: 70px;
  margin-bottom: 30px;
  margin-top: 60px;
}

h2:before {
  content: '';
  position: absolute;
  top: 50%;
  display: inline-block;
  width: 45px;
  height: 2px;
  border-top: solid 1px black;
  border-bottom: solid 1px black;
}
h2:after {
  content: '';
  position: absolute;
  top: 50%;
  display: inline-block;
  width: 45px;
  height: 2px;
  border-top: solid 1px black;
  border-bottom: solid 1px black;
}

h2:before {
  left:calc(50% - 155px);
}
h2:after {
  /* right: 35%; */
}


h3 {
  position: relative;
  /* display: inline-block; */
  padding: 0 55px;
  align: center;
  font-size: 50px;
  margin-bottom: 20px;
  margin-top: 60px;
}

h3:before {
  content: '';
  position: absolute;
  top: 50%;
  display: inline-block;
  width: 45px;
  height: 2px;
  border-top: solid 1px black;
  border-bottom: solid 1px black;
}
h3:after {
  content: '';
  position: absolute;
  top: 50%;
  display: inline-block;
  width: 45px;
  height: 2px;
  border-top: solid 1px black;
  border-bottom: solid 1px black;
}

h3:before {
  left:calc(50% - 200px);
}
h3:after {
  right:calc(50% - 210px);
}







/* ボタンのやつ */

.tweet_button {
  font-family: "Yu Gothic", YuGothic, Verdana, 'Hiragino Kaku Gothic ProN','Hiragino Kaku Gothic Pro', 'ヒラギノ角ゴ Pro W3', 'メイリオ', Meiryo, sans-serif;
  text-align: center;
  padding-top: 30px;
  margin-bottom: 50px;

}
.btn-open {
  display: inline-block;
  width: 180px;
  height:50px;
  text-align: center;
  background-color: #000;
  font-size: 16px;
  line-height: 52px;
  color: #FFF;
  text-decoration: none;
  font-weight: bold;
  border: 2px solid #000;
  position: relative;
  overflow: hidden;
  z-index: 1;
}
.btn-open:after{
  width: 100%;
  height: 0;
  content:"";
  position: absolute;
  top: 50%;
  left: 50%;
  background : #FFF;
  opacity: 0;
  transform: translateX(-50%) translateY(-50%) rotate(45deg);
  transition: .2s;
  z-index: -1;
}
.btn-open:hover{
  color: #000;
}
.btn-open:hover:after{
  height: 240%;
  opacity: 1;
}
.btn-open:active:after{
  height: 340%;
  opacity: 1;
}




/* 続きを読むやつ */
.cp_box *, .cp_box *:before, .cp_box *:after {
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
}
.cp_box {
	width: auto;
	margin: 1em auto;
  /* margin-top: 0; */
}
.cp_box label {
	font-weight: bold;
	position: relative;
	display: block;
	width: 50%;
	margin: auto;
	padding: 0.3em 1em;
	cursor: pointer;
	transition: all 0.3s;
	text-align: center;
	color: #000;
	border: 2px solid #000;
	border-radius: 3px;
}
.cp_box label:hover {
	transition: all 0.3s;
	color: #ffffff;
	background: #000;
}
.cp_box label::after {
	font-family: 'FontAwesome';
	content: ' \f067';
	color: #000;
}
.cp_box label:hover::after {
	color: #ffffff;
}
.cp_box input:checked ~ label::after {
	font-family: 'FontAwesome';
	content: ' \f068';
	color: #000;
}
.cp_box input:checked ~ label:hover::after {
	color: #ffffff;
}
.cp_box input {
	display: none;
}
.cp_box .cp_container {
	position: relative;
	z-index: 10;
	overflow: hidden;
	height: 0;
	margin-top: -1px;
	transition: height 0.3s ease-in-out,box-shadow 0.6s linear;
	background: rgba(255, 255, 255, 0.5);
}
.cp_box input:checked ~ div {
	transition: height 0.5s ease-in-out,box-shadow 0.1s linear;
}
/* 続きを読むを押すと表示されるテキストの高さ */
.cp_box input:checked ~ div.cp_container {
	height: 300px;
}








/* ここから先はブログ */
.head_back_blog{
  position: absolute;
  right: 0;
  top:205px;
  width: 210px;
  height: 100px;
  right: 0px;
}

/* 09.旗 */
#heading09{
    position:relative;

    margin:0 20px 0 20px;

    padding:10px 15px;

    font:bold 22px/1.2 Arial, Helvetica, sans-serif;
    text-align: center;

    color:#fff;

    background:#c33;

}

#heading09:before{

    content:"<";

    position:absolute;

    top:middle;

    left:-10px;

    width:0;

    height:0;

    font-size:25px;

    line-height:1.0;
    color:#c96;

}
#heading09:after{
    content:" ";
    position:absolute;
    top:-2px;
    left:-10px;
    width:0;
    height:130%;
    border:#600 solid 2px;
    border-radius:2px;
    -webkit-transform: rotate(-2deg);
    -moz-transform: rotate(-2deg);
    -o-transform: rotate(-2deg);
    transform: rotate(-2deg);
}

.underline_red{
  background: linear-gradient(transparent 70%, #ff99ab 70%);
}
.lithuania_panf{
  text-align: center;
  width:285px;
  height:375px;
  object-fit: cover;
}
.img_center{
  text-align: center;
}




/* ここから先はアクティビティ */
.head_back_activity{
  position: absolute;
  right: 0;
  top:205px;
  width: 300px;
  height: 100px;
  right: 0px;
  overflow: hidden;
}

.letter_spacing{
  letter-spacing: 3px;
}

@keyframes typing { from { width: 0; } }
@keyframes caret { 50% { border-color: transparent; } }

.typing_midashi {
  /* padding-left: 40px; */
  text-align: center;
font-family: monospace;
width: 11ch;
border-right: .08em solid;
overflow: hidden;
font-size: 3em;
white-space: nowrap;
animation: typing 3s steps(11, end), caret .5s step-end infinite;
}
.line_change_circle_head {
  word-wrap: break-word;
  width:50%;
  /* margin: auto; */
  margin-left: calc(25%);
  /* text-align: center; */
  /* background:skyblue */
}
@media (max-width: 768px) {
  .line_change_circle_head {
    word-wrap: break-word;
    width:90%;
    /* margin: auto; */
    margin-left: calc(5%);
    /* text-align: center; */
    /* background:skyblue */
  }
}


.gradation_midashi{
 /*  デフォルトcss */
  color:#fff;
  font-size:20px;
  padding:0.5em 0.7em;
 /* 見出しCSS */background:skyblue;
background-image: linear-gradient(to right, black 0%, white 100%);
border-bottom: 2px solid #ddd;
}

/* こっからスライドショー */
*, *:before, *:after {
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
.cp_cssslider {
width: 500px;
padding-top: 380px;
position: relative;
margin: 2em auto;
text-align: center;
}

.cp_cssslider > img {
  width: 500px;
  /* padding-bottom: 200px; */
  /* margin-bottom: 100px; */
position: absolute;
left: 0;
top: 0;
transition: all 0.5s;
border-radius: 3px;
box-shadow:0px 0px 5px 0px rgba(0,0,0,0.3);
}
@media (max-width: 500px) {
  .cp_cssslider {
  width: 100%;
  padding-top: 380px;
  position: relative;
  margin: 2em auto;
  text-align: center;
  }

  .cp_cssslider > img {
    width: 100%;

    position: absolute;
    left: 0;
    top: 0;
    transition: all 0.5s;
    border-radius: 3px;
    box-shadow:0px 0px 5px 0px rgba(0,0,0,0.3);
  }

}
.cp_cssslider input[name='cp_switch'] {
display: none;
}
/* サムネイル */
.cp_cssslider label {
margin: 15px 5px 0 5px;
border: 2px solid #ffffff;
display: inline-block;
cursor: pointer;
transition: all 0.5s ease;
opacity: 0.6;
border-radius: 3px;
}
.cp_cssslider label:hover {
opacity: 0.9;
}
.cp_cssslider label img {
display: block;
width: 40px;
border-radius: 2px;
}
.cp_cssslider input[name='cp_switch']:checked + label {
border: 2px solid #FF7043;
opacity: 1;
}
.cp_cssslider input[name='cp_switch'] ~ img {
opacity: 0;
}
.cp_cssslider input[name='cp_switch']:checked + label + img {
opacity: 1;
}


/* 縦バージョン */


.cp_cssslider1 {
width: 500px;
padding-top: 750px;
position: relative;
margin: 2em auto;
text-align: center;
}
.cp_cssslider1> img {
  width: 500px;
  /* padding-bottom: 200px; */
  /* margin-bottom: 100px; */
position: absolute;
left: 0;
top: 0;
transition: all 0.5s;
border-radius: 3px;
box-shadow:0px 0px 5px 0px rgba(0,0,0,0.3);
}
.cp_cssslider1 input[name='cp_switch'] {
display: none;
}

/* サムネイル */
.cp_cssslider1 label {
margin: 15px 5px 0 5px;
border: 2px solid #ffffff;
display: inline-block;
cursor: pointer;
transition: all 0.5s ease;
opacity: 0.6;
border-radius: 3px;
}
.cp_cssslider1 label:hover {
opacity: 0.9;
}
.cp_cssslider1 label img {
display: block;
width: 40px;
border-radius: 2px;
}
.cp_cssslider1 input[name='cp_switch']:checked + label {
border: 2px solid #FF7043;
opacity: 1;
}
.cp_cssslider1 input[name='cp_switch'] ~ img {
opacity: 0;
}
.cp_cssslider1 input[name='cp_switch']:checked + label + img {
opacity: 1;
}


/* 縦固定バージョン */
.cp_cssslider2 {
width: 500px;
padding-top: 750px;
position: relative;
margin: 2em auto;
text-align: center;
}
.cp_cssslider2> img {
  width: 500px;
  /* padding-bottom: 200px; */
  /* margin-bottom: 100px; */
position: absolute;
left: 0;
top: 0;
transition: all 0.5s;
border-radius: 3px;
box-shadow:0px 0px 5px 0px rgba(0,0,0,0.3);
}
.cp_cssslider2 input[name='cp_switch'] {
display: none;
}

/* サムネイル */
.cp_cssslider2 label {
margin: 15px 5px 0 5px;
border: 2px solid #ffffff;
display: inline-block;
cursor: pointer;
transition: all 0.5s ease;
opacity: 0.6;
border-radius: 3px;
}
.cp_cssslider2 label:hover {
opacity: 0.9;
}
.cp_cssslider2 label img {
display: block;
width: 40px;
border-radius: 2px;
}
.cp_cssslider2 input[name='cp_switch']:checked + label {
border: 2px solid #FF7043;
opacity: 1;
}
.cp_cssslider2 input[name='cp_switch'] ~ img {
opacity: 0;
}
.cp_cssslider2 input[name='cp_switch']:checked + label + img {
opacity: 1;
}



/* q&a　質問　と　回答 */
.komidashi_qa {
  position: relative;
  background: #dfefff;
  box-shadow: 0px 0px 0px 5px #dfefff;
  border: dashed 2px white;
  padding: 0.2em 0.5em;
  color: #454545;
  text-align: center;
}

.komidashi_qa:after {
  position: absolute;
  content: '';
  left: -7px;
  top: -7px;
  border-width: 0 0 15px 15px;
  border-style: solid;
  border-color: #fff #fff #a8d4ff;
  box-shadow: 1px 1px 1px rgba(0, 0, 0, 0.15);
}


/* 楽tanθ の説明*/
.D{
    background:url("http://i.giphy.com/8SylEdgXn0BIQ.gif") repeat;
  background-position:10px;
    -webkit-background-clip: text;
    color: transparent;
    font-size:140px;
    font-family:Helvetica;
    font-weight:bold;
  margin:0 auto;background-position-x: 52%;
  background-position-y: -90px;
}

.moveBox {
  margin:0 auto;
  width:500px;
}

/* スター */
.loading {
  z-index: 9999;
  /* display: flex; */
  align-items: center;
  justify-content: center;
  /* position: fixed; */
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: transparent;
}

.loading svg {
  height: 650px;
  width: 920px;
}

.loading svg .text {
/*   fill: none; */
  fill: #000;
}

.loading svg .star1,
.loading svg .star2,
.loading svg .star3,
.loading svg .star4,
.loading svg .star5 {
  animation-duration: 2500ms;
  animation-fill-mode: both;
  animation-iteration-count: infinite;
  animation-timing-function: ease;
}

.loading svg .star2,
.loading svg .star3,
.loading svg .star4,
.loading svg .star5 {
  animation-name: glow-blue;
}

.loading svg .star1 {
  animation-name: glow-yellow;
}

.loading svg .star3 {
  animation-delay: 200ms;
}

.loading svg .star4 {
  animation-delay: 400ms;
}

.loading svg .star5 {
  animation-delay: 600ms;
}

.loading svg .star1 {
  animation-delay: 800ms;
}

@keyframes glow-blue {
  0% {
    fill: #fff;
  }

  80% {
    fill: #0D499C;
  }

  90% {
    fill: #fff;
  }

  100% {
    fill: #fff;
  }
}

@keyframes glow-yellow {
  0% {
    fill: #fff;
  }

  80% {
    fill: #FDB827;
  }

  90% {
    fill: #fff;
  }

  100% {
    fill: #fff;
  }
}

.rakutan_theta_rubi{
  text-align: center;
  font-size: 250%;
}

.knockout {
  background: url(http://apod.nasa.gov/apod/image/0603/coma_misti.jpg) -80px -80px;
  color: red;
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
  font-weight: bold;
  font-size: 400%;
  font-family: arial, helvetica;
  width: 100%;
  margin: 0;
  text-align: center;
}
.engurafu{
  width: 100%;
}

.fontsize_index_univ_life{
  font-size: 80%;
}

@media (max-width: 768px) {
	.fontsize_index_univ_life{

    text-align: center;
    width: auto;
    font-size: 50%;
  }
  .knockout{
    font-size: 200%;
  }



}


@import url(https://fonts.googleapis.com/css?family=Open+Sans);

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  background: #FDFDFD;
  margin: 25px 0;
  /* min-width:  */
}

@media (min-width: 640px) {
	body{
    min-width: 640px;
    overflow-x:hidden;
  }
}
@media (min-width: 750px) {
	body{
    min-width: 750px;
    overflow-x:hidden;
  }
}
@media (min-width: 828px) {
	body{
    min-width: 828px;
    overflow-x:hidden;
  }
}
@media (min-width: 1080px) {
	body{
    min-width: 1080px;
    overflow-x:hidden;
  }
}

span.title {
  margin: 0;
  color: #BBB;
  font-family: 'Open Sans', sans-serif;
  font-size: 0.85rem;
  text-align: center;
  display: block;
}


.buttons-coll {
  width: 100%;
  margin: 20px;
  /* text-align: center; */
  padding-right: 50px;
}
button {
  margin: 0px;
}

.custom-btn {
  padding: 0;
  font-family: "Roboto", sans-serif;
  font-size: 16px;
  font-weight: 500;
  background: transparent;
  outline: none !important;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
}

/**** BTN No. 6 ****/
.btn-6 {
  width: 280px;
  height: 40px;
  line-height: 42px;
  padding: 0;
  border: none;
}
.btn-6 span {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}
.btn-6:before,
.btn-6:after {
  position: absolute;
  content: "";
  height: 0%;
  width: 2px;
  background: #000;
}
.btn-6:before {
  right: 0;
  top: 0;
  transition: all 0.1s ease;
}
.btn-6:after {
  left: 0;
  bottom: 0;
  transition: all 0.1s 0.2s ease;
}
.btn-6:hover:before {
  transition: all 0.1s 0.2s ease;
  height: 100%;
}
.btn-6:hover:after {
  transition: all 0.1s ease;
  height: 100%;
}
.btn-6 span:before,
.btn-6 span:after {
  position: absolute;
  content: "";
  background: #000;
}
.btn-6 span:before {
  left: 0;
  top: 0;
  width: 0%;
  height: 2px;
  transition: all 0.1s 0.1s ease;
}
.btn-6 span:after {
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
}
.btn-6 span:hover:before {
  width: 100%;
}

.youtube-wrap {
     position: relative;
     padding-bottom: 36.25%; /*アスペクト比 16:9の場合の縦幅*/
     height: 0;
     overflow: hidden;
     margin-right: 20%;
     margin-left: 20%;
}

.youtube-wrap iframe {
     position: absolute;
     top: 0;
     left: 0;

     width: 100%;
     height: 100%;
}
@media (max-width: 768px) {
  .youtube-wrap {
       position: relative;
       padding-bottom: 46.25%; /*アスペクト比 16:9の場合の縦幅*/
       height: 0;
       overflow: hidden;
       margin-right: 5%;
       margin-left: 5%;
  }



}