/*
 * 'NotoSerifJP' licensed under the SIL Open Font License
 * https://fonts.google.com/noto/specimen/Noto+Serif+JP（配布元のURL）
 */

@font-face {
	font-family: 'NotoSerifJP';
	font-display: block;
	src: url("../../NotoSerifCJKjp-Regular.woff") format("woff");
}


body, html {
   margin: 0;  /* 解決するため */
   padding: 0; /* 入れておくと無難 */
   font-family: 'NotoSerifJP';
 }

body {
   background-color: #191970;
   background-image: url("../../background.jpg");
   background-size: cover;
   background-attachment: fixed;
   background-position: center center;
   font-family: 'NotoSerifJP';
}

.header {
   display: flex;
   width: 100%;
   height: 9vw;
   align-items: center;
   background-color: #011734;
   margin-right: auto;
   margin-left : auto;
   box-shadow: 0px 0px 10px 5px rgba(0, 0, 0, 10);
   font-family: 'NotoSerifJP';
   z-index: 1;
 }

 .header img {
   width: 6vw;
}

.header--unpinned {
   -webkit-transform: translateY(-150%);
   transform: translateY(-150%);
 }

.title {
   font-family: 'NotoSerifJP';
   font-size: 4.5vw;
   text-shadow: 1px 2px 3px #808080;
}


ul {
   overflow:hidden;
   list-style:none;
   margin: 0px 0px 0px 55vw;
   z-index: 20;
   font-family: 'NotoSerifJP';
}
   
ul li {
   display: inline-block;
   padding: 1vw 1vw 0.8vw 0.9vw;
   font-size: 3.5vw;
   font-family: 'NotoSerifJP';
   color: #e0ffff;
}


 
.main-panel {
   width: 96%;
   flex-grow: 1;
   background-color: #e0ffff;
   font-family: 'NotoSerifJP';
   margin: auto;
}
 


.top_picture img { width: 90%; }

.top_picture { text-align: center; }

#top-link {
   cursor: pointer;
   font-family: 'NotoSerifJP';
}

#top-link:hover {
   color: black;
   background-color: white;
   font-family: 'NotoSerifJP';
}


.contents-section {
   text-align: center;
   font-size: 4.5vw;
   color: #4c4948;
   font-family: 'NotoSerifJP';
}


.image-gallery{
   width: 100%;
   text-align: center;
   display: flex;
   flex-wrap: wrap;
   justify-content: center;
   font-family: 'NotoSerifJP';
}

.image-container {
   display: inline-block;
   text-align: center;
   padding: 10px;
   box-sizing: border-box;
   flex-basis: 33%; /* 画像の幅を調整（3つ並ぶので1つあたりの幅は全体の3分の1） */
   font-family: 'NotoSerifJP';
 }
 
 .gallery-image {
   max-width: 100%;
   max-height: 100%;
   opacity: 1;
   transition: opacity 0.3s ease;
   cursor: pointer;
   font-family: 'NotoSerifJP';
 }
 
 .gallery-image:hover {
   opacity: 0.5;
   font-family: 'NotoSerifJP';
 }
 
 .image-description {
   text-align: center;
   font-family: 'NotoSerifJP';
   font-size: 3vw;
 }

 .reference {
   width: 90%;
   margin: auto;
   word-wrap: break-word;
   font-size: 100%;
 }

 .copyright{
   color: #000;
   margin: auto;
   text-align: center;
   font-family: 'NotoSerifJP';
   font-size: 85%;
 }
 
 
 
 footer {
   width: 100%;
   background-color: #afeeee;
   margin: auto;
   font-family: 'NotoSerifJP';
 }
 
 .footer_title {
  color: #000;
  font-size: 150%;
  margin: auto;
  text-align: center;
 }
 
 .footer_title :hover {
   color: #008b8b;
  }
 
 .footer_menu {
  color: #000;
  font-size: 120%;
  margin: auto;
  text-align: center;
 }
 
 .footer_menu :hover {
   color: #008b8b;
  }

  .search {
   width: 95%;
   text-align: right;
  }