/* common */

.top-common-heading {
  font-weight: bold;
  text-align: center;
}

.top-common-heading-en {
  color: var(--main-color);
  font-size: 48px;
  letter-spacing: 4px;
}

.top-common-heading-ja {
  margin-top: 8px;
  font-size: 20px;
  letter-spacing: 2px;
}


/* header */

.top-header {
  position: relative;
  height: 540px;
  padding-top: 200px;
  background-image: url("../img/header_bg.jpg");
  background-size: cover;
  background-position: center;
}

.top-header::after {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.2);
  content: '';
}

.top-header-logo {
  position: relative;
  z-index: 1;
  width: 400px;
  margin: 0 auto;
}

.top-header-catchcopy {
  position: relative;
  z-index: 1;
  margin-top: 32px;
  color: var(--main-bg-color);
  font-size: 20px;
  letter-spacing: 4px;
  text-align: center;
  text-shadow: 0 0 2px black;
}


/* mission */

.top-mission {
  position: relative;
  padding: 160px 0;
  font-weight: bold;
  text-align: center;
}

.top-mission-heading {
  font-size: 40px;
  letter-spacing: 2px;
}

.top-mission-desc {
  margin: 64px auto 0;
  font-size: 18px;
  line-height: 2.4;
}

.top-mission-particles {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
}


/* business */

.top-business {
  padding: 128px 0 160px;
}

.top-business-list {
  margin-top: 96px;
}

.top-business-list > li {
  position: relative;
}

.top-business-list > li:not(:first-child) {
  margin-top: 144px;
}

.top-business-item {
  width: 960px;
  max-width: 100%;
  margin: 0 auto;
}

.top-business-info {
  position: relative;
  z-index: 1;
  width: 600px;
  max-width: 100%;
  min-height: 400px;
  padding: 48px 48px 64px;
  background-color: white;
}

.top-business-list > li:nth-child(even) .top-business-info {
  margin-left: auto;
}

.top-business-name {
  font-size: 36px;
  font-weight: bold;
  letter-spacing: 2px;
}

.top-business-desc {
  margin-top: 24px;
  font-size: 16px;
  line-height: 2.0;
}

.top-business-achievements {
  margin-top: 48px;
}

.top-business-achievements > li {
  display: flex;
  align-items: center;
}

.top-business-achievements > li:not(:first-child) {
  margin-top: 8px;
}

.top-business-achievements > li.mg-more {
  margin-top: 16px;
}

.top-business-achievements > li > i {
  position: relative;
  top: 4px;
  font-size: 28px;
}

.top-business-achievements > li.mg-more > i {
  top: 2px;
}

.top-business-achievements > li > p {
  margin-left: 16px;
  font-size: 20px;
  font-weight: bold;
}

.top-business-link {
  display: block;
  width: 320px;
  max-width: 100%;
  margin-top: 32px;
  padding: 20px;
  background-color: #D8542D;
  color: white;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
}

.top-business-img {
  position: absolute;
  bottom: -48px;
  width: 50vw;
  height: 400px;
}

.top-business-list > li:nth-child(odd) .top-business-img {
  right: 0;
}

.top-business-list > li:nth-child(even) .top-business-img {
  left: 0;
}

.top-business-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}


/* member */

.top-member {
  padding: 128px 24px;
}

.top-member-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 960px;
  max-width: 100%;
  margin: 96px auto 0;
}

.top-member-list > li {
  width: min(calc((960px - 96px) / 2), calc((100% - 24px) / 2));
}

.top-member-list > li:nth-child(n + 3) {
  margin-top: 80px;
}

.top-member-info {
  margin-top: 32px;
}

.top-member-job {
  color: var(--main-color);
  font-size: 16px;
  font-weight: bold;
  letter-spacing: 1px;
}

.top-member-name {
  display: flex;
  align-items: baseline;
  margin-top: 8px;
  font-weight: bold;
}

.top-member-name-ja {
  font-size: 28px;
  letter-spacing: 2px;
  white-space: nowrap;
}

.top-member-name-en {
  margin-left: 16px;
  color: var(--gray-color);
  font-size: 16px;
  letter-spacing: 1px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  overflow: hidden;
}

.top-member-desc {
  margin-top: 16px;
  font-size: 16px;
  line-height: 2.0;
}


/* company */

.top-company {
  padding: 128px 24px 160px;
}

.top-company-table {
  width: 640px;
  max-width: 100%;
  margin: 96px auto 0;
}

.top-company-table table {
  width: 100%;
}

.top-company-table th,
.top-company-table td {
  padding: 16px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 16px;
  text-align: left;
  vertical-align: middle;
}

.top-company-table th {
  width: 35%;
  font-weight: bold;
}

.top-company-table td {
  width: 65%;
}

.top-company-map {
  width: 720px;
  height: 480px;
  max-width: 100%;
  margin: 64px auto 0;
}

.top-company-map iframe {
  width: 100%;
  height: 100%;
}

.bs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.bs-list > li > a {
  color: var(--link-color);
  text-decoration: underline;
}