.site-footer {
  --footer-line: rgba(255, 255, 255, 0.22);
  --footer-bg-top: #4c365f;
  --footer-bg-bottom: #332440;

  position: relative;
  overflow: hidden;
  padding: 100px 0 20px;
  background:
    linear-gradient(
      135deg,
      var(--footer-bg-top) 0%,
      #403050 45%,
      var(--footer-bg-bottom) 100%
    );
}


/* 背景に薄く配置する松・藤
---------------------------------------- */

.site-footer__matsu,
.site-footer__fuji {
  position: absolute;
  z-index: 0;
  pointer-events: none;
  object-fit: contain;
  object-position: left;
}

.site-footer__matsu {
  right: 0;
  bottom: -40px;
  height: calc(100% + 20px);
  opacity: 0.2;
  filter: brightness(2) grayscale(1);
  transform: scale(-1, 1);
  position: absolute;
}

.site-footer__fuji {
  left: 0;
  transform: translateX(-50%);
  top: 0;
  width: clamp(280px, 31vw, 520px);
  opacity: 0.25;
}


/* Footer 全体配置
---------------------------------------- */

.site-footer__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: start;
  width: calc(100% - 6vw);
  max-width: 1200px;
  margin: 0 auto;
  justify-content: space-between;
  gap: 50px;
}


/* Logo・住所
---------------------------------------- */

.site-footer__brand {
  min-width: 0;
  padding-right: 30px;
  display: flex;
  gap: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 50px;
  width: 100%;
}

.site-footer__logo {
  display: block;
  width: min(100%, 200px);
  text-decoration: none;
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
}

.site-footer__logo:hover {
  opacity: 0.8;
  transform: translateY(-2px);
}

.site-footer__logo img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.site-footer__address {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.78rem;
  font-style: normal;
  line-height: 1.9;
  letter-spacing: 0.08em;
}

.site-footer__address p {
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.85rem;
  letter-spacing: 0.05rem;
}

.site-footer__address a {
  color: inherit;
  text-decoration: none;
}

.site-footer__address a:hover {
  color: #fff;
}


/* Sitemap
---------------------------------------- */

.site-footer__sitemap {
  display: flex;
  gap: 60px;
  justify-content: space-between;
  width: 100%;
}

.site-footer__nav-group {
  padding: 2px 0 10px;
}

.site-footer__nav-group h2 {
  position: relative;
  margin: 0 0 10px;
  padding-left: 14px;
  color: #fff;
  font-size: 0.86rem;
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: 0.09em;
}

.site-footer__nav-group h2 a:hover {
  opacity: 0.8;
}

.site-footer__nav-group h2::before {
  content: "◎";
  position: absolute;
  top: 0;
  left: 0;
  color: rgba(255, 255, 255, 0.63);
  font-size: 0.7rem;
}

.site-footer__nav-group ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.site-footer__nav-group li a {
  position: relative;
  display: inline-block;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.78rem;
  line-height: 1;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition:
    color 0.3s ease,
    padding-left 0.3s ease;
  padding-left: 12px;
}

.site-footer__nav-group li a::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 2px;
  width: 5px;
  height: 1px;
  background: rgba(255, 255, 255, 0.8);
  transform: translateY(-50%);
  transition: width 0.3s ease;
}

.site-footer__nav-group li a:hover {
  padding-left: 15px;
  color: #fff;
}

.site-footer__nav-group a:hover::before {
  width: 9px;
}


/* 右側の関連寺院ボックス
---------------------------------------- */

.site-footer__related-box {
  display: grid;
  grid-template-columns: 65px 1fr;
  align-items: center;
  gap: 14px;
  min-width: 0;
  padding: 1px;
  color: #382942;
  text-decoration: none;
  box-shadow: 0 6px 22px rgba(14, 8, 21, 0.14);
  transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  background: url(../img/bk/bk-lightyellow-wa.jpg) repeat;
  background-size: auto;
  height: fit-content;
}

.site-footer__related-box:hover {
  transform: translateY(-3px);
  opacity: 0.9;
  box-shadow: 0 12px 28px rgba(14, 8, 21, 0.22);
}

.site-footer__related-photo {
  display: block;
  width: 65px;
  height: 76px;
  overflow: hidden;
  background: #ded8d0;
}

.site-footer__related-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  object-position: top;
}

.site-footer__related-text {
  display: flex;
  padding-right: 15px;
  flex-direction: column;
  min-width: 0;
}

.site-footer__related-text small {
  display: block;
  margin-bottom: 6px;
  color: rgb(13 6 18 / 85%);
  font-size: 0.75rem;
  line-height: 1;
  letter-spacing: 0.075em;
}

.site-footer__related-text strong {
  display: block;
  color: #382942;
  font-size: 0.935rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.1em;
}

.site-footer__related-arrow {
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}


/* Copyright
---------------------------------------- */

.site-footer__bottom {
  position: relative;
  z-index: 1;
  width: min(1240px, calc(100% - 60px));
  margin: 80px auto 0;
  text-align: center;
}

.site-footer__bottom p {
  margin: 0;
}

.site-footer__bottom small {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}


/* ========================================
   Tablet
======================================== */

@media screen and (max-width: 1100px) {
  
  .site-footer__sitemap {
    gap: 30px 20px;
  }

  .site-footer__inner {
    grid-template-columns: 240px 1fr;
    row-gap: 35px;
  }

  .site-footer__brand {
    padding-right: 30px;
  }

  .site-footer__sitemap {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .site-footer__nav-group {
    padding-right: 18px;
    padding-left: 18px;
  }

  .site-footer__related-box {
    grid-column: 1 / -1;
    width: min(100%, 300px);
    margin: 0 0 0 auto;
  }
  
  .site-footer__logo {
    width: 160px;
  }
}


/* ========================================
   Tablet Small
======================================== */

@media screen and (max-width: 820px) {

  .site-footer {
    padding-top: 45px;
  }

  .site-footer__inner {
    display: block;
    width: min(100% - 40px, 680px);
  }

  .site-footer__brand {
    padding: 0 0 35px;
    border-bottom: none;
    gap: 20px;
  }


  .site-footer__sitemap {
    padding-top: 30px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--footer-line);
  }

  .site-footer__nav-group {
    min-height: auto;
    padding: 0;
  }

  .site-footer__nav-group--related {
    grid-column: 1 / -1;
  }

  .site-footer__related-box {
    width: 100%;
  }

  .site-footer__bottom {
    width: calc(100% - 40px);
    margin-top: 35px;
  }
  
  .site-footer__address p {
    font-size: 0.8rem;
  }
  
  .site-footer__matsu {
    right: 0;
    bottom: 0;
    height: 80%;
  }
}


/* ========================================
   Smartphone
======================================== */

@media screen and (max-width: 560px) {
  
  .site-footer__brand {
    flex-direction: column;
  }

  .site-footer {
    padding: 40px 0 18px;
  }

  .site-footer__inner {
    width: 100%;
    padding: 0 20px;
  }

  .site-footer__address {
    margin-top: 0;
    font-size: 0.72rem;
  }

  .site-footer__sitemap {
    display: flex;
    flex-direction: column;
    gap: 30px;
  }

  .site-footer__nav-group {
    padding: 0;
  }

  .site-footer__nav-group h2 {
    margin-bottom: 5px;
    font-size: 0.82rem;
  }

  .site-footer__nav-group a {
    font-size: 0.75rem;
  }

  .site-footer__related-box {
    grid-template-columns: 58px 1fr 20px;
    gap: 11px;
    padding: 10px 12px 10px 10px;
  }

  .site-footer__related-photo {
    width: 58px;
    height: 68px;
  }

  .site-footer__related-text strong {
    font-size: 0.75rem;
  }


  .site-footer__fuji {
    display: none;
  }

  .site-footer__bottom {
    width: calc(100% - 32px);
    margin-top: 28px;
  }
}