body {
font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 1rem;
  line-height: 1.85;
  color: #333;

}
html {
      scroll-behavior: smooth; /* スムーズスクロール */
}
*{
    box-sizing: border-box;
  margin:0;
  padding: 0;
}
a:link {

	text-decoration: none;
}
a:hover{
	color:#FF6600;
}
a img {
	border:none;
}

    section {
      padding: 80px 0 80px;
    }
figure img{
    width: 100%;

}
.sma {
  display: none;
}
.blank {
  width: 1em;
  margin-left: 4px;
}
@media (max-width: 768px) {
	.sma {
  display: block;
	}
}
	
	
/* header */
    .navbar {
background: #04062c url(img/bar.png) repeat-y center;
    }
    .navbar a {
      color: #fff !important;
    }
.navbar-logo{
	width:400px;
}
    @media (max-width: 768px) {
.navbar-logo{
		width:80%;
	}
  .navbar-brand {
    flex: 1;
  }
  .navbar-toggler {
    margin-left: auto;
	}
	.nav-item{
		text-align:right;
		padding-right:1.2em;
		font-size:1.2em;
	}
}

.nav-link {
    position: relative;
    overflow: hidden;
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: #fff;
    transition: width 0.3s ease;
}

/* active のときに線を左→右へ */
.nav-link.active::after {
    width: 100%;
}


/* footer */

#page-top{
	text-align:center;
	margin:20px 0;
}
#page-top a{
color:#333;
}
#footer{
background: #fff;
  padding: 60px 0 0;
  position: relative;
color:#fff;
  z-index: 1;
}
.footer-bg{
background: #04062c url(img/bar.png) repeat-y center;
padding: 40px 0;
}
.f-logo{
text-align:centerl;
}
.f-logo img{
	width:80%;
}
@media (max-width: 768px) {
.footer-bg{
		padding: 60px 1em 0;
	}
}

  /* topページ */
  /* top1 */
.top1-content {
    display: flex;
    align-items: center;
    gap: 20px;
  }

.top1-image {
    width: 400px;

  }

.top1-text {
    flex: 1;
  }
#top1 p{
font-size:1.2em;
font-weight:500;
}
  /* top2 */

.top2-wp{
margin:40px auto;
padding:20px 40px;
border-radius: 20px;
	width:900px;
background: #cee3ed;
}
.top2-text {
    flex: 1;
  }
.top2-image {
    width: 300px;
}

/* info */

#info a {
	color:#333;
	
}
.info-dl {
  display: flex;
  flex-wrap: wrap;
	margin-bottom: 100px;
	width: 60%;
	margin:0 auto;
}
.info-dl dt {
  width: 20%;
  border-bottom: 1px dotted #b4d2ee;
}
.info-dl dd {
  width: 80%;
  border-bottom: 1px dotted #b4d2ee;
  margin: 0;
}

@media (max-width:1280px) {
	.info-dl {
		width: 90%;
	}
	.info-dl dt {
		width: 100%;
	}
	.info-dl dd {
  width: 100%;
}
}
	
/* Recruitment */



.recr-image {
    width: 100%;
  }

@media (max-width: 768px) {
	.recr-image {
		width: 80%;
				display:block;
		margin:40px auto;
	}
}
	
/* hero */
	
.greeting-text {
    flex: 1;
  }
#heroCanvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: block; }
    .hero {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 90vh;            /* 画面より少し低くして下にInformationを覗かせる */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
  padding-top: 80px;       /* ナビバー分の余白 */
  margin-top: 0;
  z-index: 0;              /* 背景レイヤー */
}
    .hero-text { position: relative; z-index: 2; max-width: 800px; padding: 1rem; }
    .hero-text h1 { font-size: clamp(2rem, 2vw + 1rem, 2.8rem); margin-bottom: 1rem;color:#d1d5db; font-family: "Open Sans", sans-serif;}
    .hero-text p { font-size: 1.2rem; line-height: 1.7; color: #d1d5db; }

    * {
      box-sizing: border-box;
      margin: 0; padding: 0;
    }

    html, body {
      height: 100%;
    }

.hero2 {
      color: #eef3ff;
      background:
        radial-gradient(circle at 20% 0%, #00769b 0%, transparent 60%),
        radial-gradient(circle at 80% 90%, #000 0%, transparent 55%),
        linear-gradient(to bottom, #9b0517, blue 60%, #01030a);
      overflow: hidden;
    }
@media (max-width:1280px) {
	.hero-text {
		max-width: 80%;
		}
	}
	
	
    /* ===== 粒子（以前の動き・明るさに復元） ===== */

    #bgCanvas {
      position: fixed;
      inset: 0;
      width: 100%;
      height: 100%;
      z-index: 0;
      pointer-events: none;
    }

    /* ===== コンテンツ配置 ===== */

    .wrapper {
      position: relative;
      z-index: 1;
      max-width: 960px;
      margin: 0 auto;
      padding: 80px 20px 120px;
      display: flex;
      flex-direction: column;
      gap: 28px;
    }

    /* ===== ガラスカード（透過度を元の美しさに修正） ===== */

    .glass-card {
      background: rgba(8, 18, 40, 0.22); /* ← 透明度を復元 */
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: 20px;
      padding: 26px 28px 28px;
      box-shadow:
        0 22px 60px rgba(0, 0, 0, 0.68),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(22px) saturate(140%);
      -webkit-backdrop-filter: blur(22px) saturate(140%);
    }

    /* ガラスのハイライト（元の薄さに復元） */
    .glass-card::before {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: inherit;
      background: linear-gradient(
        to bottom right,
        rgba(255, 255, 255, 0.32),
        rgba(255, 255, 255, 0.04)
      );
      opacity: 0.28; /* ← 元の自然なハイライト */
      pointer-events: none;
    }

    /* ===== 文字 ===== */

    .lead {
      font-size: 1.16rem;
      font-weight: 600;
      line-height: 1.7;
      margin-bottom: 10px;
      color: #f7faff;
      position: relative;
      z-index: 2;
    }

    .body {
      font-size: 0.98rem;
      font-weight: 300;
      line-height: 1.9;
      opacity: 0.92;
      position: relative;
      z-index: 2;
      color: #d7e3ff;
    }

    @media (max-width: 768px) {
      .wrapper {
        padding: 60px 14px 80px;
      }

      .glass-card {
        padding: 20px 18px 20px;
        border-radius: 16px;
      }

      .lead {
        font-size: 1.02rem;
      }

      .body {
        font-size: 0.90rem;
      }
    }
  

/* ===== Heroの下に重なるコンテンツレイヤー ===== */
#info,
.hero2,
#recruitment ,
#footer{
  position: relative;
  z-index: 1;   /* Heroより前面に表示 */
}


#info {
  background: #ffffff;
  margin-top: 100vh;
  padding: 60px 0;
  position: relative;
  z-index: 1;
}

#recruitment {
  background: #ffffff;
  padding: 60px 0;
  position: relative;
  z-index: 1;
}

/* レスポンシブ対応（スマホでは縦並び） */
  @media (max-width: 768px) {
.recr-content {
      flex-direction: column;
      align-items: center;
    }

.recr-image {
      margin-bottom: 20px;
    }
}



  /* コンテンツ */

.title{
	font-optical-sizing: auto;
	font-size:3em;
  font-weight: 300;
  font-style: normal;
	letter-spacing: 0.1em;
	text-align:center;
padding:40px 0;
}

h3{
padding:0.5em 0;
}

  /* Greeting */
.researchmap {
  width: 120px;
  border: 1px solid #c8c8c8;
  padding: 0.5em;
  vertical-align: middle;
}
.greeting-text a{
	color:#333;
}
 .gree-image {
    width: 100%;
  }

@media (max-width: 768px) {

  #greeting .gree-image {
		width: 80%;
		display:block;
		margin:40px auto;
	}
}

  /* publication */
#publication li {
  padding-top: 4px;
  border-bottom: 1px dotted #cccccc;
  margin: 0px 0px 0px 50px;
  line-height: 1.8em;
  padding-bottom: 8px;
font-weight:300;
}
#publication li a{
color:blue;
}
#publication .name {
  font-weight: 600;
}
#publication .jour {
  font-style: italic;
  font-weight: 600;
}
@media (max-width: 768px) {
#publication ul {
  padding-left: 0;
	}
	#publication li {
		margin: 0px 0px 0px 1em;
	}
}