@charset "UTF-8";

/* ============================================
   固定ロゴ（左下）
   横並びのヘッダーは持たず、ロゴとナビを画面の四隅に固定する構成。
   ローディング完了で top.js が .is-show を付ける。
   ============================================ */
.l-logo {
  position: fixed;
  bottom: 3.2rem;
  left: 3.2rem;
  width: 13.7rem;
  z-index: var(--z-middle);
  opacity: 0;
  transition: opacity 0.6s var(--ease-power2-out);
}

.l-logo.is-show {
  opacity: 1;
}

/* ============================================
   固定ナビ（右上・縦積み）
   ============================================ */
.l-nav {
  position: fixed;
  top: 3.2rem;
  right: 3.2rem;
  z-index: var(--z-navi);
  opacity: 0;
  transition: opacity 0.6s var(--ease-power2-out);
}

.l-nav.is-show {
  opacity: 1;
}

.l-nav-list {
  display: grid;
  row-gap: 1.2rem;
}

.l-nav-item {
  display: flex;
  justify-content: flex-end;
}

.l-nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-family-sub);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  color: var(--color-white);
  padding-bottom: 0.4rem;
}

.l-nav-txt {
  display: inline-flex;
  overflow: hidden;
}

/* nav.js が1文字ずつ span に分割する */
.l-nav-char {
  display: inline-block;
  transition: transform 0.4s var(--ease-power2-out);
}

.l-nav-link:hover .l-nav-char,
.l-nav-link:focus-visible .l-nav-char {
  transform: translateY(-0.2em);
}

/* 下線 */
.l-nav-line {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background-color: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease-power2-out);
}

.l-nav-link:hover .l-nav-line,
.l-nav-link:focus-visible .l-nav-line {
  transform: scaleX(1);
  transform-origin: left;
}

@media screen and (max-width: 767px) {
  .l-logo {
    bottom: 2.4rem;
    left: 2.4rem;
    width: 10.1rem;
  }
  .l-nav {
    top: 2.4rem;
    right: 2.4rem;
  }
  .l-nav-list {
    row-gap: 0.8rem;
  }
  .l-nav-link {
    font-size: 1.1rem;
  }
}

/* ============================================
   フッター
   ============================================ */
.l-footer {
  position: relative;
  z-index: var(--z-front);
  background-color: var(--color-base);
  color: var(--color-white);
  padding-block: 8rem 4rem;
  overflow: hidden;
}

.l-footer-main {
  max-width: 128rem;
  margin-inline: auto;
  padding-inline: 4rem;
  display: flex;
  justify-content: space-between;
  gap: 6.4rem;
}

.l-footer-logo {
  width: 20rem;
  will-change: transform;
}

.l-footer-addr {
  margin-top: 2.4rem;
  font-size: 1.4rem;
  line-height: var(--leading-loose);
}

.l-footer-nav {
  display: flex;
  gap: 8rem;
}

.l-footer-group-ttl {
  font-size: 1.5rem;
  font-weight: 700;
}

.l-footer-links {
  margin-top: 2rem;
  display: grid;
  gap: 1.2rem;
  font-size: 1.4rem;
}

.l-footer-links a {
  transition: opacity 0.3s var(--ease-power2-out);
}

.l-footer-links a:hover {
  opacity: 0.6;
}

.l-footer-copy {
  margin-top: 8rem;
  text-align: center;
  font-family: var(--font-family-sub);
  font-size: 1.3rem;
  letter-spacing: var(--tracking-widest);
}

@media screen and (max-width: 767px) {
  .l-footer {
    padding-block: 6rem 3.2rem;
  }
  .l-footer-main {
    flex-direction: column;
    gap: 4rem;
    padding-inline: 2.4rem;
  }
  .l-footer-logo {
    width: 14rem;
  }
  .l-footer-nav {
    flex-direction: column;
    gap: 0;
  }
  /* アコーディオン。main.js が max-height を制御する */
  .l-footer-group {
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition: max-height 0.4s var(--ease-power2-out);
  }
  .l-footer-group-ttl {
    position: relative;
    padding-block: 1.8rem;
    cursor: pointer;
  }
  .l-footer-group-ttl::after {
    content: '+';
    position: absolute;
    right: 0.4rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
  }
  .l-footer-group.is-open .l-footer-group-ttl::after {
    content: '−';
  }
  .l-footer-links {
    margin-top: 0;
    padding-bottom: 2rem;
  }
  .l-footer-copy {
    margin-top: 4.8rem;
  }
}

/* ============================================
   下層ページ用の色反転
   ライトグレー地に置くので、ロゴとナビを暗くする。
   トップ（暗い動画の上）では白のまま。
   ============================================ */
.l-chrome--dark .l-nav-link {
  color: var(--color-base);
}

/* ============================================
   下層ページの見出し
   固定ナビの下に潜り込まないよう、上に余白を確保する
   ============================================ */
.l-page-head {
  position: relative;
  z-index: var(--z-front);
  background-color: var(--color-bg);
  padding: 20rem 0 8rem;
}

.l-page-head-inner {
  max-width: 108rem;
  margin-inline: auto;
  padding-inline: 4rem;
}

.l-page-head-lead {
  margin-top: 3.2rem;
  max-width: 64rem;
  font-size: 1.6rem;
  line-height: var(--leading-loose);
}

/* パンくず */
.l-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 3.2rem;
  font-family: var(--font-family-sub);
  font-size: 1.2rem;
  letter-spacing: var(--tracking-wide);
  color: var(--color-gray-dark);
}

.l-breadcrumb li + li::before {
  content: '/';
  margin-right: 0.8rem;
}

.l-breadcrumb a {
  transition: opacity 0.3s var(--ease-power2-out);
}

.l-breadcrumb a:hover {
  opacity: 0.6;
}

@media screen and (max-width: 767px) {
  .l-page-head {
    padding: 14rem 0 5.6rem;
  }
  .l-page-head-inner {
    padding-inline: 2.4rem;
  }
  .l-page-head-lead {
    margin-top: 2.4rem;
    font-size: 1.5rem;
  }
  .l-breadcrumb {
    margin-bottom: 2.4rem;
    font-size: 1.1rem;
  }
}