/* Basement */
:root {
  --color-black: #1b3c59;
  --color-gray: #456173;
  --color-green: #a6ed8e;
  --color-white: #f2f2f0;
}
html {
  font-size: 62.5%;
}
body {
  background: var(--color-white);
  color: var(--color-black);
}
p {
  margin: 0 0 1rem;
  color: var(--color-black);
  font-size: 1.6rem;
  font-weight: 300;
  line-height: 1.4;
}
h2 {
  font-size: 2rem;
  line-height: 1.4;
}
a,
a:hover {
  color: inherit;
  text-decoration: none;
}
sup {
  font-size: 1.2rem;
}
b,
strong {
  font-weight: bold;
}

/* Layouts */
header {
  z-index: 400;
}
.main {
  margin: 0 0 4.8rem;
}

/* Style */
.header {
  position: relative;
}
.header-wrap {
  position: absolute;
  top: 0;
  z-index: 400;
  width: 100%;
  height: 56px;
}
.logo {
  width: 73px;
  height: 21px;
  margin: 12px;
  background: url("../img/logo-white.png") no-repeat;
  background-size: cover;
}

.eyecatch-box {
  position: relative;
  width: 100%;
  height: 500px;
  background: url("../img/img-eyecatch.jpg") no-repeat;
  background-position: center;
  background-size: cover;
}
.eyecatch-box::before {
  content: "";
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
  background: var(--color-black);
  opacity: 0.16;
}
.eyecatch-inner {
  position: absolute;
  bottom: 72px;
  max-width: 100%;
  margin: 0 1.6rem;
}
.eyecatch-inner h2 {
  color: #ffffff;
  font-size: 3.2rem;
  font-weight: 300;
}
.pr-icon {
  margin: 0 8px 0 0;
  padding: 2px 4px;
  border: 0.5px solid #ffffff;
  border-radius: 2px;
  font-size: 1.2rem;
  font-style: normal;
  font-weight: 200;
  text-align: center;
}
.txt-intro {
  display: block;
  font-size: 1.8rem;
  font-weight: 300;
}

.section-intro {
  position: relative;
  z-index: 800;
  margin: -56px 16px 32px;
  padding: 1.6rem 2.4rem;
  border-radius: 4px;
  background: #ffffff;
  font-size: 1.4rem;
  font-weight: 700;
  box-shadow: 0 0 16px rgba(0, 0, 0, 0.16);
}
.section-intro p:last-child {
  margin: 0;
}
.section-research,
.section-estate,
.section-campaign,
.cv-area {
  margin: 0 0 2.4rem;
}
.research-head,
.campaign-head {
  position: relative;
  padding: 1.6rem;
}
.research-head::before {
  position: absolute;
  top: -64px;
  left: -64px;
  content: "";
  width: 180px;
  height: 180px;
  background: url("../img/img-ornament.png") no-repeat;
  background-size: contain;
}
.research-title,
.campaign-title {
  color: var(--color-black);
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.2;
}
.research-body,
.campaign-body {
  padding: 0 1.6rem 2.4rem;
}
.research-body small {
  display: block;
  margin: -0.8rem 0 1.6rem;
  opacity: 0.54;
  color: var(--color-black);
  font-size: 1.1rem;
  line-height: 1.2;
}
.btn-campaign {
  display: block;
  margin: 3.2rem 0 0;
  padding: 1.6rem 0;
  border: 1px solid var(--color-black);
  background: #ffffff;
  color: var(--color-black);
  font-size: 1.8rem;
  font-weight: 500;
  text-align: center;
  transition: all 150ms ease-in-out;
}
.btn-campaign:hover {
  background: var(--color-black);
  color: #ffffff;
}

.estate-head {
  margin: 0 auto 1.6rem;
  padding: 1.6rem;
  text-align: center;
}
.estate-title {
  color: var(--color-black);
  font-size: 3.2rem;
  line-height: 1.4;
}
.estate-title span {
  display: block;
  position: relative;
  height: 39px;
  margin: 0 auto 3.2rem;
  background: url(../img/img-distance.png) no-repeat;
  background-size: contain;
  background-position: center;
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1;
  opacity: 0.54;
}
.estate-body {
  padding: 0 1.6rem;
}
.card-group {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  list-style-type: none;
}
.card {
  position: relative;
  margin: 0 0 1.6rem;
  border-radius: 4px;
  background: #ffffff;
  font-size: 1.4rem;
  font-weight: 700;
  box-shadow: 0 4px 5px 0 rgba(0, 0, 0, 0.14), 0 1px 10px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.2);
}
.card-head img {
  width: 100%;
  border-radius: 4px 4px 0 0;
}
.card-body {
  padding: 1.6rem 0.8rem;
  color: var(--color-black);
}
.card-title h3 {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.2;
}
.card-location {
  margin: 0 0 0.8rem;
}
.card-location span {
  display: block;
  opacity: 0.87;
  font-size: 1.2rem;
  font-weight: 200;
}
.card-feature {
  margin: 0 0 1.6rem;
}
.card-feature p {
  color: var(--color-black);
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1.4;
}
.card-buttons {
  display: flex;
  flex-direction: row;
  margin: 0 0 1.6rem;
}
.card-buttons a {
  width: 100%;
  height: 44px;
  padding: 8px 0;
  font-size: 1.8rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.8px;
  transition: all 150ms ease-in-out;
}
.btn-document {
  margin: 0 0.8rem 0 0;
  background: var(--color-green);
  color: #ffffff;
}
.btn-document:hover {
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.16);
}
.btn-detail {
  border: 2px solid var(--color-green);
  color: var(--color-green);
}
.link-text {
  display: block;
  margin: 0 0 0.8rem;
  color: var(--color-gray);
  font-size: 1.2rem;
  line-height: 1;
  text-decoration: underline;
}
.link-text::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  border-top: 6px solid transparent;
  border-left: 8px solid var(--color-gray);
  border-bottom: 6px solid transparent;
}

.footer {
  background: var(--color-black);
  color: #ffffff;
}
.footer-inner {
  padding: 2.4rem 0;
}
.footer-inner ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  width: 80%;
  margin: 0 auto 1.6rem;
  padding: 0;
  list-style-type: none;
}
.footer-inner ul li {
  margin: 0 0.8rem 1.6rem 0;
  padding: 0 1.6rem 0 0;
  border-right: 2px solid rgba(255, 255, 255, 0.28);
}
.footer-inner ul li:last-child {
  border: 0;
}
.footer-inner ul li a {
  font-size: 1.4rem;
  font-weight: 300;
  line-height: 1;
}
.copyright {
  display: block;
  width: 100%;
  font-size: 1.2rem;
  text-align: center;
}

/* Tricks */
.txt-hidden {
  display: block;
  overflow: hidden;
  text-indent: 100%;
  white-space: nowrap;
}

/* Chart */
.chart-container {
  width: 100%;
  margin: 0 0 1.6rem;
  border: 1px solid var(--color-black);
  border-radius: 4px;
  background: var(--color-gray);
}

/* cv */
.cv-area {
  box-sizing: border-box;
  padding: 0 20px;
  text-align: center;
  margin: 50px 0px 100px;
}
.cv-button {
  display: block;
  margin: 0 auto;
  width: 500px;
  box-sizing: border-box;
  background-color: #9900cc;
  color: #fff;
  padding: 30px 0px;
  border-radius: 8px;
  box-shadow: 0px 0px 10px 2px #b4bab4;
  font-size: 1.8rem;
}
.cv-button:hover {
  background-color: #6600cc;
  color: #fff;
}
@media screen and (max-width: 768px) {
  .cv-button {
    width: 100%;
  }
}

@media screen and (min-width: 768px) {
  html {
    font-size: 100%;
  }
  p {
    margin: 0 0 24px;
  }
  .main {
    max-width: 960px;
    margin: 0 auto 48px;
  }
  .logo {
    width: 146px;
    height: 42px;
  }
  .research-head::before {
    top: -46px;
    left: -46px;
  }
  .estate-title span {
    height: 78px;
  }
  .card-group {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: center;
  }
  .card {
    width: 420px;
    margin: 0 24px 24px 0;
  }
  .card-title h3 {
    font-size: 20px;
  }
  .card-location span {
    font-size: 16px;
  }
  .card-feature p {
    font-size: 20px;
  }
  .card-buttons {
    flex-direction: column;
  }
  .card-buttons a {
    height: auto;
    margin: 0 0 1.6rem;
    padding: 16px 0;
    font-size: 18px;
  }
  .link-text {
    font-size: 14px;
    line-height: 1.4;
  }
}