html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: #222;
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-weight: 300;
}

img {
  max-width: 100%;
  display: block;
}

.sp-only {
  display: none;
}

#valley .contents {
    background-color: #fff;
    margin-top: 100px;
}
#valley .contents_inner {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding-top: 0;
}



.site-header {
  height: 65px;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
}
.site-header a {
    text-decoration: none;
    color: #314a59;
}
.site-header-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #24344d;
  text-decoration: none;
  font-size: 14px;
  letter-spacing: .14em;
}

.site-header-logo img {
  width: 28px;
}

.site-header-logo a {
    text-decoration: none;
    color: #314a59;
}

.site-header-nav {
  display: flex;
  gap: 42px;
}

.site-header-nav a {
  color: #777;
  text-decoration: none;
  font-size: 14px;
}

.home-slider {
  position: relative;
  height: 650px;
  overflow: hidden;
  background: #777;
}

.home-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  animation-name: heroFade;
  animation-duration: 36.5s;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
}
.home-slide01 { animation-delay: 0s; }
.home-slide02 { animation-delay: 5s; }
.home-slide03 { animation-delay: 10s; }
.home-slide04 { animation-delay: 15s; }
.home-slide05 { animation-delay: 20s; }
.home-slide06 { animation-delay: 25s; }
.home-slide07 { animation-delay: 30s; }
.home-slide08 { animation-delay: 35s; }

.home-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

@keyframes heroFade {
  0% {
    opacity: 0;
  }

  5.5% {
    opacity: 1;
  }

  13.7% {
    opacity: 1;
  }

  19.2% {
    opacity: 0;
  }

  100% {
    opacity: 0;
  }
}

.home-slide.is-active {
  opacity: 1;
  z-index: 2;
}
.home-slide.is-next {
  z-index: 3;
}

.home-slide.is-visible {
  opacity: 1;
}
.home-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.home-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  background: linear-gradient(
    rgba(0, 0, 0, .22),
    rgba(0, 0, 0, .45)
  );
  pointer-events: none;
}

.home-content {
  position: absolute;
  inset: 0;
  z-index: 11;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}

.home-content h1 {
  margin: 0 0 28px;
  font-size: clamp(42px, 6vw, 82px);
  line-height: 1.15;
  font-weight: 200;
  letter-spacing: .06em;
}

.home-content p {
  margin: 0 0 42px;
  font-size: clamp(16px, 1.6vw, 22px);
  letter-spacing: .12em;
}

.home-content a {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid #fff;
  padding-bottom: 5px;
}

.home-scroll {
  position: absolute;
  left: 50%;
  bottom: 48px;
  z-index: 6;
  width: 16px;
  height: 32px;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 999px;
  transform: translateX(-50%);
}

/* 最新記事 */

 
#valley .recent-article {
    padding: 80px 80px 0;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}
#valley .sec_article_inner {
  border: 1px solid #ccc;
}

.concept-section {
  padding: 120px 0 0;
  background: #fff;
}

.concept-section-row {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto 120px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.concept-section-row img {
  width: 100%;
  height: auto;
  /* aspect-ratio: 1.12 / 1; */
  object-fit: cover;
}

.concept-section-row h2,
.concept-section-row h3 {
  margin: 0 0 22px;
  font-size: 40px;
  line-height: 1.25;
  font-weight: 300;
}

.concept-section-row h3 {
  display: inline;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  padding: 0 .15em;
}

.concept-section-row p {
  margin-top: 24px;
  color: #888;
  font-size: 20px;
  line-height: 2;
}

.concept-section-green {
  color: #6a9b49 !important;
}

.experience-section {
  padding: 80px 0 0;
}

.experience-section h2 {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto 82px;
  font-size: 50px;
  line-height: 1.35;
  font-weight: normal;
}

.experience-section-grid {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px 40px;
}

.experience-section-grid figure {
  margin: 0;
}

.experience-section-grid img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.experience-section-grid figcaption {
  margin-top: 16px;
  color: #777;
  font-size: 20px;
}

.facility-section {
  padding: 110px 0 0;
}

.facility-section h2,
.facility-section-lead {
  width: min(1120px, calc(100% - 48px));
  margin-left: auto;
  margin-right: auto;
}

.facility-section h2 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 50px;
  font-weight: normal;
}

.facility-section-lead {
  margin-bottom: 64px;
  color: #9a9a9a;
  font-size: 20px;
}

.facility-section-grid {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 42px 34px;
}

.facility-section-grid img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.facility-section-grid h3 {
  margin: 16px 0 8px;
  font-size: 20px;
  font-weight: normal;
}

.facility-section-grid p {
  margin: 0;
  color: #999;
  font-size: 18px;
}

.local-section {
  padding: 110px 0 0;
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.local-section h2 {
  display: inline;
  /* color: #fff;
  background: #416bd8; */
  padding: 0 .12em;
  font-size: 50px;
  font-weight: normal;
  line-height: 1.35;
}

.local-section > p {
  margin: 18px 0 70px;
  color: #888;
  font-size: 18px;
}

.local-section a {
  color: #314a59;
}
.local-section-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 38px;
  margin-bottom: 62px;
}

.local-section-list dl {
  margin: 0;
  padding: 0 0 18px;
  border-bottom: 1px solid #eee;
  min-height: 64px;
}

.local-section-list dt {
  margin-bottom: 8px;
  font-size: 20px;
}

.local-section-list dd {
  margin: 0;
  color: #9a9a9a;
  font-size: 18px;
}

.local-section-message {
  margin-bottom: 26px !important;
}

.local-section-link {
  color: #333;
  font-size: 13px;
  text-decoration: none;
  border-bottom: 1px solid #333;
  padding-bottom: 5px;
}
.local-section-link a {
  color: #314a59;
}
.region-section,
.footer-section {
  background: #171717;
  color: #fff;
}

.region-section {
  padding: 115px 0 90px;
  margin-top: 100px;
}

.region-section-inner {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding-left: 200px;
}

.region-section h2 {
  margin: 0 0 54px;
  font-size: 50px;
  font-weight: 300;
}

.region-section p {
  color: #aaa;
  font-size: 18px;
  line-height: 2.3;
}

.region-section-strong {
  margin-top: 54px;
  color: #fff !important;
  font-size: 22px !important;
  line-height: 1.7 !important;
}

.footer-section {
  padding: 40px 0 52px;
}

.footer-section-inner {
  width: min(960px, calc(100% - 48px));
  margin: 0 auto;
  padding-bottom: 70px;
  border-bottom: 1px solid #333;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 80px;
}

.footer-section h2,
.footer-section h3 {
  margin: 0 0 20px;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: .08em;
}

.footer-section p,
.footer-section a {
  display: block;
  color: #777;
  font-size: 12px;
  line-height: 1.9;
  text-decoration: none;
}

.footer-section-copy {
  width: min(960px, calc(100% - 48px));
  margin: 28px auto 0;
  color: #555 !important;
  font-size: 11px !important;
}

@media (max-width: 738px) {
  .sp-only {
  display: block;
  }
  #valley .contents {
    margin-top: 20px;
  }

  .site-header {
    height: auto;
    padding: 18px 24px;
    flex-direction: column;
    gap: 16px;
  }
  .site-header-nav {
    gap: 18px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .home-slider {
    height: 520px;
  }

  #valley .recent-article {
    padding: 80px 20px 0;
  }

  .concept-section-row,
  .concept-section-row-reverse {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 80px;
  }
  .concept-section-row-reverse img {
    order: -1;
  }
  .concept-section-row h2{
    font-size: 30px;
  }
  .concept-section-row h3 {
    font-size: 26px;
  }
  .experience-section-grid,
  .facility-section-grid,
  .local-section-list,
  .footer-section-inner {
    grid-template-columns: 1fr;
  }
  .experience-section-grid img,
  .facility-section-grid img {
    height: auto;
  }
  .experience-section h2 {
  font-size: 32px;
  }
  .facility-section h2 {
    font-size: 32px;
  }
  .region-section-inner {
    width: min(1200px, calc(100% - 48px));
    margin: 0 auto;
    padding-left: 0px;
    text-align: center;
  }
  .region-section h2,
  .local-section h2 {
    font-size: 30px;
  }
}