@charset "UTF-8";

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #1f2b2f;
  font-family: "Yu Gothic", "YuGothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 1.9;
  letter-spacing: 0.06em;
  background: #fff;
}

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

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

.concept-house {
  overflow: hidden;
}

.concept-fv {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
}

.concept-fv__image {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.concept-fv__image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.92) 0%,
    rgba(255,255,255,0.78) 38%,
    rgba(255,255,255,0.18) 100%
  );
}

.concept-fv__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.concept-fv__content {
  position: relative;
  z-index: 2;
  width: min(1080px, calc(100% - 48px));
  margin: 0 auto;
  padding: 96px 0;
}

.concept-fv__logo {
  width: 96px;
  margin-bottom: 28px;
}

.concept-label {
  margin: 0 0 18px;
  color: #8b6f55;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.28em;
}

.concept-fv h1,
.concept-section h2,
.concept-next h2 {
  margin: 0;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.08em;
}

.concept-fv h1 {
  margin-bottom: 28px;
  font-size: clamp(32px, 4vw, 56px);
}

.concept-fv p:last-child {
  margin: 0;
  font-size: 16px;
}

.concept-section {
  padding: 112px 0;
}

.concept-section--light {
  background: #f7f4ef;
}

.concept-inner {
  width: min(1040px, calc(100% - 48px));
  margin: 0 auto;
}

.concept-section h2 {
  margin-bottom: 32px;
  font-size: clamp(26px, 3vw, 42px);
}

.concept-section p {
  margin: 0 0 18px;
}

.house-card-scroll {
  display: flex;
  gap: 28px;
  width: min(1200px, calc(100% - 48px));
  margin: 48px auto 0;
  padding: 0 0 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
}

.house-card-scroll::-webkit-scrollbar {
  height: 8px;
}

.house-card-scroll::-webkit-scrollbar-track {
  background: #eee8df;
}

.house-card-scroll::-webkit-scrollbar-thumb {
  background: #9a8068;
  border-radius: 999px;
}

.house-card {
  flex: 0 0 320px;
  background: #fff;
  border: 1px solid #e3d9cc;
  scroll-snap-align: start;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.house-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(0,0,0,0.08);
}

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

.house-card div {
  padding: 28px 28px 32px;
}

.house-card h3 {
  margin: 0 0 16px;
  font-size: 21px;
  line-height: 1.6;
}

.house-card p {
  margin: 0;
  font-size: 14px;
  color: #435056;
}

.concept-next {
  padding: 96px 0 112px;
  text-align: center;
  background: #1f2b2f;
  color: #fff;
}

.concept-next h2 {
  margin-bottom: 32px;
  font-size: clamp(24px, 3vw, 36px);
}

.concept-next a {
  display: inline-block;
  padding: 14px 36px;
  border: 1px solid rgba(255,255,255,0.7);
  font-size: 14px;
  letter-spacing: 0.12em;
}

.concept-next a:hover {
  background: #fff;
  color: #1f2b2f;
}

@media (max-width: 768px) {
  .concept-fv {
    min-height: 620px;
    align-items: flex-end;
  }

  .concept-fv__image::after {
    background: linear-gradient(
      180deg,
      rgba(255,255,255,0.18) 0%,
      rgba(255,255,255,0.88) 58%,
      rgba(255,255,255,0.96) 100%
    );
  }

  .concept-fv__content {
    width: calc(100% - 40px);
    padding: 72px 0 56px;
  }

  .concept-fv__logo {
    width: 80px;
  }

  .concept-section {
    padding: 72px 0;
  }

  .concept-inner {
    width: calc(100% - 40px);
  }

  .house-card-scroll {
    width: calc(100% - 20px);
    margin-left: 20px;
    padding-right: 20px;
    gap: 18px;
  }

  .house-card {
    flex-basis: 280px;
  }

  .house-card div {
    padding: 24px;
  }

  .concept-next {
    padding: 72px 0 88px;
  }

  .site-footer {
    padding: 56px 20px;
  }

  .site-footer__text {
    margin-bottom: 24px;
    font-size: 14px;
  }

  .site-footer__logo img {
    width: 130px;
  }

}

/* ------------------------------
footer
------------------------------ */

.site-footer {
  padding: 80px 20px;
  text-align: center;
  background: #f7f4ef;
}

.site-footer__text {
  margin: 0 0 32px;
  color: #5d6468;
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: 0.08em;
}

.site-footer__logo {
  display: inline-block;
}

.site-footer__logo img {
  width: 160px;
  height: auto;
  margin: 0 auto;
}