/* ============================================================
   共通ヘッダー・フッター スタイル
   各ページの <head> で読み込みます:
   <link rel="stylesheet" href="partials/header-footer.css">

   ページ側の :root で定義済みの変数（--color-ink, --font-en 等）を
   前提にしています。変数名は各ページと揃えてください。
============================================================ */

.site-header{
  position:relative;
  z-index:10;
  background:var(--color-white, #ffffff);
  border-bottom:1px solid rgba(30,28,25,0.1);
}

.site-header__inner{
  max-width:1280px;
  margin:0 auto;
  padding:20px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}

.site-header__logo{
  order:1;
  flex-shrink:0;
  display:block;
  line-height:0;
}

.site-header__logo img{
  height:40px;
  width:auto;
  display:block;
}

.site-header__nav{
  order:2;
  flex:1;
  display:flex;
  justify-content:center;
  gap:36px;
}

.site-header__nav a{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
  text-decoration:none;
  color:var(--color-ink, #1e1c19);
  opacity:0.82;
  transition:opacity 0.25s ease;
}

.site-header__nav a:hover{
  opacity:1;
}

.site-header__nav-en{
  font-family: var(--font-en, 'Cormorant Garamond', serif);
  font-size:19px;
  font-weight:500;
  letter-spacing:0.03em;
}

.site-header__nav-jp{
  font-family: var(--font-jp-sans, 'Noto Sans JP', sans-serif);
  font-size:11px;
  letter-spacing:0.05em;
}

.site-header__nav-actions{
  display:none; /* デスクトップでは非表示。モバイル時のみメニュー内に表示 */
}

/* ---- 右側：ボタン＋ハンバーガーのラッパー ---- */
.site-header__right{
  order:3;
  flex-shrink:0;
  display:flex;
  align-items:center;
  gap:16px;
}

.site-header__actions{
  display:flex;
  gap:12px;
}

.site-header__btn{
  display:inline-block;
  padding:11px 20px;
  font-family: var(--font-jp-sans, 'Noto Sans JP', sans-serif);
  font-size:14px;
  font-weight:500;
  letter-spacing:0.05em;
  text-decoration:none;
  white-space:nowrap;
  text-align:center;
  transition:background 0.25s ease, color 0.25s ease, opacity 0.25s ease;
}

.site-header__btn--outline{
  border:1px solid var(--color-ink, #1e1c19);
  color:var(--color-ink, #1e1c19);
  background:transparent;
}

.site-header__btn--outline:hover{
  background:var(--color-ink, #1e1c19);
  color:#ffffff;
}

.site-header__btn--fill{
  background:var(--color-ink, #1e1c19);
  color:#ffffff;
  border:1px solid var(--color-ink, #1e1c19);
}

.site-header__btn--fill:hover{
  opacity:0.8;
}

/* ---- ハンバーガーボタン（モバイルのみ表示） ---- */
.site-header__toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  width:34px;
  height:34px;
  padding:0;
  border:none;
  background:none;
  cursor:pointer;
  flex-shrink:0;
  position:relative;
  z-index:101;
}

.site-header__toggle span{
  display:block;
  width:22px;
  height:2px;
  background:var(--color-ink, #1e1c19);
  transition:transform 0.3s ease, opacity 0.3s ease;
}

body.site-header-open .site-header__toggle span:nth-child(1){
  transform:translateY(7px) rotate(45deg);
}

body.site-header-open .site-header__toggle span:nth-child(2){
  opacity:0;
}

body.site-header-open .site-header__toggle span:nth-child(3){
  transform:translateY(-7px) rotate(-45deg);
}

@media (max-width:960px){
  .site-header__inner{
    align-items:flex-start;
  }

  .site-header__toggle{
    display:flex;
  }

  .site-header__right{
    flex-direction:column;
    align-items:flex-end;
    gap:12px;
  }

  .site-header__right .site-header__btn{
    padding:9px 16px;
    font-size:12px;
  }

  .site-header__nav{
    position:fixed;
    inset:0;
    z-index:100;
    background:var(--color-white, #ffffff);
    flex-direction:column;
    justify-content:center;
    align-items:center;
    gap:30px;
    padding:100px 24px 60px;
    transform:translateY(-8px);
    opacity:0;
    visibility:hidden;
    transition:opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  }

  body.site-header-open .site-header__nav{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }

  body.site-header-open{
    overflow:hidden;
  }

  .site-header__nav-en{ font-size:22px; }
  .site-header__nav-jp{ font-size:12px; }

  .site-header__nav-actions{
    display:flex;
    flex-direction:column;
    gap:12px;
    width:100%;
    max-width:280px;
    margin-top:12px;
  }

  .site-header__nav-actions .site-header__btn{
    padding:14px 20px;
  }
}

@media (max-width:600px){
  .site-header__logo img{ height:32px; }
}

/* ============ FOOTER ============ */
.site-footer{
  background:var(--color-white, #ffffff);
  color:var(--color-ink, #1e1c19);
}

/* ---- 上段ナビ ---- */
.site-footer__nav{
  border-top:1px solid rgba(30,28,25,0.25);
}

.site-footer__nav-inner{
  max-width:1280px;
  margin:0 auto;
  padding:22px 32px;
  display:flex;
}

.site-footer__nav-inner a{
  flex:1;
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:5px;
  padding:0 12px;
  text-decoration:none;
  color:var(--color-ink, #1e1c19);
  opacity:0.9;
  transition:opacity 0.25s ease;
}

.site-footer__nav-inner a:hover{
  opacity:1;
}

.site-footer__nav-inner a:not(:first-child)::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:1px;
  height:34px;
  background:rgba(30,28,25,0.2);
}

.footer-nav__en{
  font-family: var(--font-en, 'Cormorant Garamond', serif);
  font-size:19px;
  font-weight:500;
  letter-spacing:0.02em;
}

.footer-nav__jp{
  font-family: var(--font-jp-sans, 'Noto Sans JP', sans-serif);
  font-size:11px;
  letter-spacing:0.04em;
  color:rgba(30,28,25,0.6);
}

/* ---- 中段：リンクカラム ---- */
.site-footer__columns{
  max-width:1280px;
  margin:0 auto;
  padding:64px 32px 40px;
  display:grid;
  grid-template-columns:0.7fr 1fr 1fr 1fr;
  gap:40px;
}

.site-footer__col-heading{
  font-family: var(--font-jp-serif, 'Noto Serif JP', serif);
  font-weight:700;
  font-size:18px;
  letter-spacing:0.04em;
  margin-bottom:22px;
}

.site-footer__col-list{
  list-style:none;
}

.site-footer__col-list li + li{
  margin-top:15px;
}

.site-footer__col-list a{
  font-family: var(--font-jp-sans, 'Noto Sans JP', sans-serif);
  font-size:14px;
  letter-spacing:0.02em;
  color:rgba(30,28,25,0.78);
  text-decoration:none;
  transition:color 0.25s ease;
}

.site-footer__col-list a:hover{
  color:var(--color-ink, #1e1c19);
}

/* ---- SNSアイコン ---- */
.site-footer__social{
  display:flex;
  justify-content:center;
  gap:26px;
  padding:36px 24px 56px;
}

.site-footer__social a{
  display:flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  color:var(--color-ink, #1e1c19);
}

.site-footer__social svg{
  width:100%;
  height:100%;
}

/* ---- 下段：コピーライト ---- */
.site-footer__bottom{
  border-top:1px solid rgba(30,28,25,0.25);
  padding:26px 24px;
  text-align:center;
}

.site-footer__copyright{
  font-family: var(--font-jp-sans, 'Noto Sans JP', sans-serif);
  font-size:13px;
  font-weight:500;
  letter-spacing:0.04em;
  color:var(--color-ink, #1e1c19);
}

/* ---- レスポンシブ ---- */
@media (max-width:960px){
  .site-footer__nav-inner{
    flex-wrap:wrap;
    padding:20px 24px;
    gap:20px 0;
  }
  .site-footer__nav-inner a{
    flex:1 1 33.33%;
  }
  .site-footer__nav-inner a:nth-child(3n+1)::before{
    display:none;
  }
  .site-footer__columns{
    grid-template-columns:1fr 1fr;
    padding:48px 24px 32px;
  }
  .site-footer__spacer{
    display:none;
  }
}

@media (max-width:600px){
  .site-footer__nav-inner a{
    flex:1 1 50%;
  }
  .site-footer__nav-inner a:nth-child(3n+1)::before{
    display:block;
  }
  .site-footer__nav-inner a:nth-child(2n+1)::before{
    display:none;
  }
  .footer-nav__en{ font-size:16px; }
  .site-footer__columns{
    grid-template-columns:1fr;
    gap:32px;
  }
  .site-footer__social{
    gap:20px;
  }
}

/* ============ BREADCRUMB ============ */
.breadcrumb{
  background:var(--color-white, #ffffff);
  border-bottom:1px solid rgba(30,28,25,0.08);
}

.breadcrumb__list{
  list-style:none;
  max-width:1200px;
  margin:0 auto;
  padding:14px 24px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}

.breadcrumb__item{
  font-family: var(--font-jp-sans, 'Noto Sans JP', sans-serif);
  font-size:12px;
  letter-spacing:0.03em;
}

.breadcrumb__item a{
  color:var(--color-ink, #1e1c19);
  opacity:0.6;
  text-decoration:none;
  transition:opacity 0.25s ease;
}

.breadcrumb__item a:hover{
  opacity:1;
}

.breadcrumb__item span[aria-current="page"]{
  color:var(--color-ink, #1e1c19);
  opacity:0.85;
}

.breadcrumb__sep{
  font-size:12px;
  color:rgba(30,28,25,0.35);
}