.bottom-bar {
  position: fixed;   
  bottom: 0;         
  left: 0;
  width: 100%;     
  height: 100px;      
  background-color: #e1e0db;

  display: flex;     
  align-items: center;
  justify-content: center;

  z-index: 500;     
}
.bottom-hyona {
  position: fixed;   
  bottom: -140px;         
  left: 0;   
  height: 600px;    

  display: flex;     
  z-index: 1000;    
}
.bottom-madoka {
  position: fixed;   
  bottom: -100px;         
  right: 0;   
  height: 500px;    

  display: flex;     
  z-index: 1000;    
}

.PC{
    margin:15%;
    margin-top:5%;
}
body {
  background-image: linear-gradient(to top,  rgb(224, 193, 203) 30%, #E4DEC4 100%);
}
.PC .span {
  display: block;
  text-align: center;
  font-family: "Zen Kaku Gothic New", Helvetica;
  font-weight: 700;
  color: #8277A1;
  font-size: 20px;
  letter-spacing: 0;
  line-height: 50px;
}
.PC .span2{
  font-size: 36px;
  line-height: 50px;
  font-weight: 700;
}

h2{
    width: 606px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 50px;  
    margin-top: 50px;            /* ブロック自体は中央に */
    
    font-family: "Zen Kaku Gothic New", Helvetica;
  font-weight: 700;
  color: #8277A1;
  font-size: 20px;}

.interview-section p {
  width: 606px;
  margin: 0 auto;              /* ブロック自体は中央に */
  text-align: left;            /* 文字は左揃え */

  font-family: "Zen Kaku Gothic New", Helvetica, sans-serif;
  font-size: 16px;
  line-height: 32px;
  color: #8277A1;
}
.image-section {
  height: 100vh;
  position: relative;
  overflow: hidden;
}
.image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;

  opacity: 0;
  transform: scale(1.05);
  transition:
    opacity 1.4s ease,
    transform 1.8s ease;
}

.image.active {
  opacity: 1;
  transform: scale(1);
}


.top{
  width: 600px;
  height: 100px;
  margin-top: 50px;
  margin-left: auto;
  margin-right: auto;
  padding-top: 5%;
  text-align: center;
  font-family: "Zen Kaku Gothic New", Helvetica, sans-serif;
  font-weight: 700;
  font-size: 16px;
  line-height: 32px;
  background-color: #d7aebb;
  color:#666060;
  
}
.chapter-navigation a{
  text-decoration: none;
}
.top:hover{
  background-color: #b4b78e;}

.science{
   width: 250px;      /* サイズ調整 */
  margin: 0 auto;
}
.science img{
  width: 100%;
  height: auto;
}
.hitokoto{
  padding-top: 50px;
   width: 500px;      /* サイズ調整 */
  margin: 0 auto;
 
}
.hitokoto img{
  width: 100%;
  height: auto;
}


/*
   スマホ版（768px以下）
 */
@media screen and (max-width: 768px) {
.PC{
    margin:0%;
    margin-top:5%;
}
  .PC {
    min-height: auto;
  }
body {
  background-image: linear-gradient(to top,  rgb(224, 193, 203) 30%, #E4DEC4 100%);
}
.PC .span {
  display: block;
  text-align: center;
  font-family: "Zen Kaku Gothic New", Helvetica;
  font-weight: 700;
  color: #8277A1;
  font-size: 18px;
  letter-spacing: 0;
  line-height: 40px;
}
.PC .span2{
  font-size: 32px;
  line-height: 50px;
  font-weight: 700;
}

h2{
    width: 300px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 50px;  
    margin-top: 50px;            /* ブロック自体は中央に */
    
    font-family: "Zen Kaku Gothic New", Helvetica;
  font-weight: 700;
  color: #8277A1;
  font-size: 18px;}

.interview-section p {
  width: 300px;
  margin: 0 auto;              /* ブロック自体は中央に */
  text-align: left;            /* 文字は左揃え */
font-weight: 700;
  font-family: "Zen Kaku Gothic New", Helvetica, sans-serif;
  font-size: 14px;
  line-height: 27px;
  color: #8277A1;
}
  /*中→高→大学生*/
.image-section {
  width: 100%;
  /*height: 100vh;*/
  position: relative;
  overflow: hidden;
  margin:0 auto;
}
.image {
  position: absolute;
  inset: 0;
  width: 100%;
  object-fit: cover;

  opacity: 0;
  transform: scale(1.05);
  transition:
    opacity 1.4s ease,
    transform 1.8s ease;
}

.image.active {
  opacity: 1;
  transform: scale(1);
}


.top{
  width: 300px;
  height: 70px;
  margin-top: 50px;
  margin-bottom: 100px;
  text-align: center;
  font-family: "Zen Kaku Gothic New", Helvetica, sans-serif;
  font-weight: 700;
  font-size: 16px;
  background-color: #d7aebb;
  color:#666060;
  
}
.chapter-navigation a{
  text-decoration: none;
}
.top:hover{
  background-color: #b4b78e;}

.science{
   width: 100px;      /* サイズ調整 */
  margin: 0 auto;
}
.science img{
  width: 100%;
  height: auto;
}
  .bottom-bar {
  position: fixed;   
  bottom: 0;         
  left: 0;
  width: 100%;     
  height: 50px;      
  background-color: #e1e0db;

  display: flex;     
  align-items: center;
  justify-content: center;

  z-index: 500;     
}
.bottom-hyona {
  position: fixed;   
  bottom: -70px;         
  left: 0;   
  height: 300px;    

  display: flex;     
  z-index: 1000;    
}
.bottom-madoka {
  position: fixed;   
  bottom: -50px;         
  right: 0;   
  height: 250px;    

  display: flex;     
  z-index: 1000;    
}

}