html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-width: 320px;
  background: #b9d9eb;
  color: #143f56;
  font-family: "Open Sans", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus {
  outline: 2px solid #ffffff;
  outline-offset: 2px;
}

img {
  border: 0;
  display: block;
}

.clearfix {
  zoom: 1;
}

.clearfix:after {
  content: "";
  display: block;
  clear: both;
}

.page {
  width: 100%;
  overflow: hidden;
}

.container {
  width: 1400px;
  margin: 0 auto;
}

.hero {
  background: #cce7f3;
}

.hero-banner {
  width: 100%;
  height: auto;
}

.hero-banner-mobile {
  display: none;
}

.main-content {
  background: #b9d9eb;
  padding: 0 0 54px;
}

.intro-card {
  margin: -170px auto 0;
  position: relative;
  z-index: 2;
  width: 1680px;
  max-width: 96%;
}

.intro-card-inner {
  background: #177f8e;
  background: -webkit-linear-gradient(
    top,
    rgba(29, 115, 167, 0.88) 0%,
    rgba(23, 127, 142, 0.84) 48%,
    rgba(22, 136, 140, 0.82) 100%
  );
  background: linear-gradient(
    to bottom,
    rgba(29, 115, 167, 0.88) 0%,
    rgba(23, 127, 142, 0.84) 48%,
    rgba(22, 136, 140, 0.82) 100%
  );
  color: #ffffff;
  padding: 52px 68px 48px;
  border-radius: 20px;
}

.intro-card-inner:after {
  content: "";
  display: block;
  clear: both;
}

.intro-text {
  margin: 0 0 16px;
  font-size: 22px;
  font-weight: 300;
  line-height: 1.55;
}

.intro-card-inner .intro-text:last-of-type {
  margin-bottom: 0;
}

.intro-link {
  display: inline-block;
  margin-top: 18px;
  float: right;
  font-size: 24px;
  font-weight: 700;
  text-transform: capitalize;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

.story-list {
  padding-top: 58px;
}

.story-card {
  margin-bottom: 42px;
  border: 6px solid #f2f4f5;
  background: #d6eaf3;
  overflow: hidden;
}

.story-media,
.story-copy {
  float: left;
}

.story-media {
  width: 480px;
  height: 390px;
  background: #d8dde1;
}

.story-media {
  border-right: 6px solid #f2f4f5;
}

.story-copy {
  width: 416px;
  height: 390px;
  background: #1193b8;
  color: #ffffff;
  padding: 34px 24px 28px;
  box-sizing: border-box;
}

.story-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-link {
  display: block;
  width: 100%;
  height: 100%;
}

.story-media-link {
  overflow: hidden;
  position: relative;
}

.story-copy-link {
  height: 100%;
  color: #ffffff;
  overflow: hidden;
}

.story-play-indicator {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 76px;
  height: 76px;
  margin-top: -38px;
  margin-left: -38px;
  border: 3px solid #ffffff;
  border: 3px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  background: #0d8f99;
  background: rgba(13, 143, 153, 0.72);
}

.story-play-triangle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  margin-top: -14px;
  margin-left: -8px;
  border-top: 14px solid transparent;
  border-bottom: 14px solid transparent;
  border-left: 22px solid #ffffff;
}

.story-heading {
  margin-bottom: 18px;
  zoom: 1;
}

.story-heading:after {
  content: "";
  display: block;
  clear: both;
}

.quote-mark {
  float: left;
  color: #6deaf3;
  font-size: 72px;
  line-height: 0.8;
  font-weight: 700;
  margin-right: 8px;
}

.story-title {
  float: right;
  width: 80%;
  margin: 0;
  color: #ffffff;
  font-size: 30px;
  line-height: 1.1;
  font-weight: 800;
  text-align: right;
}

.story-copy p {
  margin: 0;
  font-size: 18px;
  line-height: 1.6;
}

.story-link:focus,
.intro-link:focus {
  outline: none;
}

.back-top:focus {
  outline: none;
}

.intro-link:hover {
  border-bottom-color: #ffffff;
}

.story-copy-link:hover .story-title {
  color: #dffbff;
}

.story-copy-link:hover .quote-mark {
  color: #a7f5fb;
}

  .story-media-link:hover img {
    opacity: 0.9;
  }

  .story-media-video .story-media-link:hover .story-play-indicator {
    background: rgba(13, 143, 153, 0.88);
  }

  .back-top:hover {
    background: #0b7e87;
  }

@media screen and (min-width: 768px) {
  .intro-link,
  .story-media-link img,
  .story-copy,
  .story-copy-link .story-title,
  .story-copy-link .quote-mark,
  .back-top {
    -webkit-transition: all 0.4s ease-out;
    transition: all 0.4s ease-out;
  }

  .story-card:hover {
    border-color: #ffffff;
  }

  .story-card .story-copy:hover {
    background: #0f89ac;
  }

  .story-media-link:hover img {
    -webkit-transform: scale(1.02);
    transform: scale(1.02);
  }
}

.back-top-wrap {
  position: relative;
  background: #cfba74;
  text-align: center;
}

.back-top {
  display: inline-block;
  margin-top: -20px;
  min-width: 224px;
  padding: 30px 36px;
  background: #0d8f99;
  color: #ffffff;
  font-size: 20px;
  line-height: 1;
  text-align: center;
  position: relative;
}

.back-top:before,
.back-top::after {
  content: "";
  position: absolute;
  top: 0;
  width: 0;
  height: 0;
  border-bottom: 20px solid #005e8f;
}

.back-top:before {
  left: -12px;
  border-left: 12px solid transparent;
}

.back-top:after {
  right: -12px;
  border-right: 12px solid transparent;
}

.footer {
  background: #0d8f99;
  color: #ffffff;
}

.footer-inner {
  padding: 68px 0 86px;
  text-align: center;
  font-size: 14px;
}

@media screen and (max-width: 1180px) {
  .container {
    width: 92%;
  }

  .intro-card {
    width: 92%;
    margin-top: -110px;
  }

  .intro-card-inner {
    padding: 36px 34px 32px;
  }

  .intro-text {
    font-size: 18px;
    line-height: 1.5;
  }

  .intro-link {
    margin-top: 14px;
    font-size: 20px;
  }

  .story-list {
    padding-top: 42px;
  }

  .story-card {
    margin-bottom: 30px;
    border-width: 5px;
  }

  .story-media {
    width: calc(34% - 5px);
    height: 300px;
  }

  .story-copy {
    width: 32%;
    height: 300px;
    padding: 24px 18px 20px;
  }

  .story-media {
    border-right-width: 5px;
  }

  .story-heading {
    margin-bottom: 12px;
  }

  .quote-mark {
    font-size: 54px;
  }

  .story-title {
    width: 78%;
    font-size: 24px;
  }

  .story-copy p {
    font-size: 14px;
    line-height: 1.5;
  }

  .back-top {
    min-width: 200px;
    padding: 24px 28px;
    font-size: 18px;
  }

  .footer-inner {
    padding: 54px 0 68px;
  }
}

@media screen and (max-width: 767px) {
  body {
    min-width: 320px;
  }

  .hero-banner-pc {
    display: none;
  }

  .hero-banner-mobile {
    display: block;
  }

  .main-content {
    padding-bottom: 38px;
  }

  .intro-card {
    margin-top: -20px;
  }

  .intro-card-inner {
    padding: 24px 18px 22px;
    border-radius: 8px;
  }

  .intro-text {
    font-size: 14px;
  }

  .intro-link {
    margin-top: 16px;
    font-size: 16px;
  }

  .story-list {
    padding-top: 28px;
  }

  .story-card {
    margin-bottom: 24px;
    border-width: 4px;
  }

  .story-media,
  .story-copy {
    float: left;
  }

  .story-media {
    width: 100%;
    height: auto;
    aspect-ratio: 48 / 39;
    border-right: 0;
  }

  .story-media + .story-media {
    border-top: 4px solid #f2f4f5;
  }

  .story-copy {
    float: none;
    clear: both;
    width: auto;
    height: auto;
    padding: 18px 16px 20px;
    border-top: 4px solid #f2f4f5;
  }

  .story-copy-link {
    height: auto;
    overflow: visible;
  }

  .story-heading {
    margin-bottom: 12px;
  }

  .quote-mark {
    font-size: 34px;
    margin-right: 6px;
  }

  .story-title {
    /* width: 170px; */
    font-size: 22px;
  }

  .story-copy p {
    font-size: 14px;
    line-height: 1.55;
  }

  .story-play-indicator {
    width: 58px;
    height: 58px;
    margin-top: -29px;
    margin-left: -29px;
  }

  .story-play-triangle {
    margin-top: -10px;
    margin-left: -6px;
    border-top-width: 10px;
    border-bottom-width: 10px;
    border-left-width: 16px;
  }

  .back-top-wrap:before {
    height: 42px;
  }

  .back-top {
    min-width: 180px;
    padding: 18px 26px;
    font-size: 16px;
  }

  .back-top:before,
  .back-top::after {
    border-bottom: 15px solid #005e8f;
  }

  .back-top:before {
    left: -8px;
    border-left: 8px solid transparent;
  }

  .back-top:after {
    right: -8px;
    border-right: 8px solid transparent;
  }

  .footer-inner {
    padding: 44px 0 56px;
    font-size: 14px;
  }
}