body {
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  margin: 0;
  padding: 0;
}

.fv-movie {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  overflow: hidden;
}

.fv-movie video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.fv-movie p {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 20px;
  padding: 20px;
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.7);
  z-index: 2;
}

.fv-movie-fallback {
  position: absolute;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background: url('./img/FV_fb.jpg') center/cover;
  z-index: 1;
  opacity: 0.3;
}

.container {
  max-width: 960px;
  margin: 100vh auto 0;
  padding: 20px;
  box-sizing: border-box;
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.8);
}

.container h2 {
  padding-left: 10px;
  font-size:2em;
  color: #fff;
  display: flex;
  align-items: center;
  text-align: left;
}

.container h3 {
  font-size: 1.4em;
  text-align: center;
}

.h2-bg {
  background: url(./img/h2.jpg) right/cover repeat;
  min-height: 60px;
  height: 100px;
  padding: 10px;
  margin: 60px 0 40px;
}

.lead p {
  font-size: 1.2em;
  max-width: 90%;
  margin: 0 auto 20px;
}

.fadeIn {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s ease, transform 1s ease;
}

.fadeIn.visible {
  opacity: 1;
  transform: translateY(0);
}

.fadeIn-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 1s ease, transform 1s ease;
}

.fadeIn-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.chairperson {
  position: relative;
  margin-bottom: 50px;
}

.chairperson-content {
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.chairperson-name {
  position: absolute;
  bottom: 0%;
  transform: translateY(-20%);
  width: 50%;
  right: 0;
  color: white;
  text-align: right;
  padding: 30px 20px 30px 0;
  background-image: linear-gradient(90deg, rgba(34, 211, 238, 0) 11%, rgba(4, 10, 99, 0.49) 39%, rgba(4, 10, 99, 0.7));
}

.chairperson-name-sub {
  font-size: 1.2em;
  font-style: italic;
}

.chairperson-name-main {
  font-size: 2.5em;
  font-weight: bold;
}

.chairperson img {
  max-width: 100%;
  margin: auto;
}

.chairperson-txt p {
  max-width: 90%;
  margin: 30px auto;
  font-size: 1.2em;
  line-height: 2;
}

.chairperson-credit {
  padding-top: 16px;
  text-align: right;
  font-size: 1.0em;
}

.interview {
  margin-bottom: 100px;
}

.interviews {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}

.interview-card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  text-align: center;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease;
  margin-top: 50px;
}

.interview-card:hover {
  transform: scale(1.03);
}

.interview-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top;
}

.interview-card .info {
  font-size: 0.9em;
  padding: 10px;
}

.interview-card .title {
  font-size: 1em;
  margin-bottom: 4px;
}

.interview-card .name {
  font-size: 1.5em;
  font-weight: bold;
  margin-bottom: 10px;
}

iframe {
  display: block;
  width: 90%;
  height: 500px;
  border: none;
  margin: 0 auto;
}

.digitalbook {
  position: relative;
}

.digitalbook-movie {
  display: block;
  margin: 20px auto;
}

.digitalbook img {
  display: block;
  width: 100%;
  max-width: 560px;
  margin: 20px auto;
}

.digitalbook img:hover {
  opacity: 0.5;
}

.sp-br {
  display: none;
}

.crumb {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
}

.crumb li:not(:last-of-type)::after {
  content: ">";
  margin: 0 .6em;
  color: #777;
}

.footer {
  display: block;
  color: #000000;
  background: #ffffff;
  text-align: center;
  font-size: 1.2rem;
  padding: 15px 0;
  position: relative;
  z-index: 10;
}

.pc-img {
  display: block;
}

.sp-img {
  display: none;
}

@media screen and (max-width: 768px) {
  .container {
    padding: 10px;
    overflow: hidden;
  }

  .container h2 {
    font-size: 1.5em;
  }

  .h2-bg {
    height: 80px;
    margin: 0 calc(50% - 50vw) 20px;
    width: 100vw;
  }

  .lead p {
  font-size: 1.0em;
  /* text-align: center; */
  }
  .container h3 {
    font-size: 1.2em;
    text-align: left;
    padding-left: 5%;
  }

  .chairperson-name {
    padding: 20px;
    width: 100%;
    bottom: 70%;
    transform: translateY(0%);
    margin: 0 calc(50% - 50vw);
  }

  .chairperson-name-sub {
    font-size: 1.0em;
  }

  .chairperson-name-main {
    font-size: 2.0em;
  }

  .chairperson img {
    margin: 0 calc(50% - 50vw); 
    max-width: 100vw;
    overflow: hidden;
  }

  .chairperson-txt p {
    margin-bottom: 1.0em;
    font-size: 1.0em;
    line-height: 1.5;
  }

  .interview-card {
    margin-top: 0;
    font-size: 0.9em;
  }

  .interview-card img {
    height: 300px;
  }

  iframe {
    width: 100%;
    height: 315px;
  }

  .sp-br {
    display: block;
  }

  .crumb {
  font-size: 0.8em;
  }

  .footer {
    font-size: 1rem;
    padding: 5px 0;
  }

  .pc-img {
  display: none;
  }

  .sp-img {
    display: block;
  }
}

@media screen and (max-width: 480px) {
  .container h2 {
    font-size: 1.2em;
    vertical-align: middle;
  }

  .h2-bg {
    height: 60px;
  }

  .interview-card img {
    height: 200px;
  }
}