/* ================================================================
   株式会社千葉製作所 — 共通スタイル
   案A：重厚・伝統重視
   配色：白(#fafaf7) / 墨黒(#1a1a1a) / 銅(#b87333) / 生成り(#e8e3d2)
   ================================================================ */

:root{
  --bg:#fafaf7;
  --ink:#1a1a1a;
  --ink-2:#3a3833;
  --line:#e8e3d2;
  --line-2:#d8d2bf;
  --copper:#b87333;
  --copper-d:#8a5728;
  --copper-l:#d89865;
  --paper:#f3f0e6;
  --mut:#6e6a60;
  --serif:'Noto Serif JP','Yu Mincho','游明朝',serif;
  --sans:'Noto Sans JP','Yu Gothic','游ゴシック',sans-serif;
  --en:'Cormorant Garamond',serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-weight:400;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  letter-spacing:.02em;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* ── header ─────────────────────────────────── */
.topbar{
  position:fixed;inset:0 0 auto 0;z-index:50;
  background:rgba(250,250,247,.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{
  max-width:1320px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 32px;
}
.brand{display:flex;align-items:center;gap:14px;flex:1 1 0}
.brand-logo{height:48px;width:auto;display:block}
.brand-name{font-family:var(--serif);font-weight:600;font-size:18px;letter-spacing:.18em;color:var(--copper-d)}
@media(max-width:480px){.brand-name{font-size:16px}.brand-logo{height:40px}}
.brand-sub{font-family:var(--en);font-size:11px;letter-spacing:.32em;color:var(--mut);text-transform:uppercase;margin-top:2px}
nav.gnav{display:flex;gap:36px;align-items:center;flex:0 0 auto;justify-content:center}
nav.gnav a{
  font-family:var(--serif);font-size:14px;font-weight:500;
  letter-spacing:.16em;position:relative;padding:6px 0;
}
nav.gnav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;
  background:var(--copper);transform:scaleX(0);transform-origin:left;
  transition:transform .4s ease;
}
nav.gnav a:hover::after,nav.gnav a.is-current::after{transform:scaleX(1)}
nav.gnav a.is-current{color:var(--copper-d)}
.head-actions{display:flex;align-items:center;gap:14px;flex:1 1 0;justify-content:flex-end}
.tel-ico-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--ink);color:var(--ink);
  transition:background .3s,color .3s;
}
.tel-ico-btn svg{width:18px;height:18px}
.tel-ico-btn:hover{background:var(--ink);color:var(--bg)}
.tel-num{
  font-family:var(--serif);font-size:18px;letter-spacing:.08em;
  color:var(--ink);margin-right:14px;
}
.tel-num:hover{color:var(--copper-d)}
.tel-cta{
  border:1px solid var(--ink);padding:10px 18px;
  font-family:var(--serif);font-size:13px;letter-spacing:.18em;
  transition:background .3s,color .3s;
}
.tel-cta:hover{background:var(--ink);color:var(--bg)}

.menu-btn{
  display:none;background:none;border:0;cursor:pointer;padding:0;
  width:28px;height:18px;position:relative;
}
.menu-btn span{position:absolute;left:0;right:0;height:1.5px;background:var(--ink);transition:transform .3s,opacity .3s,top .3s}
.menu-btn span:nth-child(1){top:0}
.menu-btn span:nth-child(2){top:8px}
.menu-btn span:nth-child(3){top:16px}
.menu-btn.is-open span:nth-child(1){top:8px;transform:rotate(45deg)}
.menu-btn.is-open span:nth-child(2){opacity:0}
.menu-btn.is-open span:nth-child(3){top:8px;transform:rotate(-45deg)}
/* モバイル用ドロワーはPCでは非表示（PCで30px分レイアウトを押し下げていた不具合の修正）*/
.gnav-drawer{display:none}

@media(max-width:900px){
  nav.gnav,.head-actions{display:none}
  .menu-btn{display:block}
  /* drawer */
  .gnav-drawer{
    position:fixed;inset:65px 0 0 0;background:rgba(250,250,247,.98);
    z-index:49;padding:60px 32px;display:none;flex-direction:column;gap:32px;
    backdrop-filter:blur(12px);
  }
  .gnav-drawer.is-open{display:flex}
  .gnav-drawer a{
    font-family:var(--serif);font-size:18px;letter-spacing:.18em;
    padding:14px 0;border-bottom:1px solid var(--line);
  }
  .gnav-drawer .tel-line{
    margin-top:24px;font-family:var(--en);font-size:24px;letter-spacing:.06em;color:var(--copper-d);
  }
}

/* ── section common ─────────────────────────── */
section{padding:140px 32px;position:relative}
.container{max-width:1240px;margin:0 auto}
.section-head{text-align:center;margin-bottom:90px}
.section-head .en{
  font-family:var(--en);font-size:13px;letter-spacing:.5em;
  color:var(--copper);text-transform:uppercase;
  display:inline-flex;align-items:center;gap:18px;margin-bottom:20px;
}
.section-head .en::before,.section-head .en::after{
  content:"";width:32px;height:1px;background:var(--copper);
}
.section-head h2{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(28px,3.2vw,40px);
  letter-spacing:.22em;margin:0;
}
.section-head .lead{
  font-family:var(--serif);font-size:15px;line-height:2.2;letter-spacing:.08em;
  color:var(--ink-2);max-width:680px;margin:32px auto 0;
}
@media(max-width:720px){
  section{padding:90px 24px}
  .section-head{margin-bottom:60px}
  .section-head .lead{text-align:left}
}

/* ── page hero (sub-pages) ──────────────────── */
.page-hero{
  position:relative;height:64vh;min-height:420px;
  background:#fafaf7;overflow:hidden;
}
.page-hero-img{
  position:absolute;top:0;left:0;right:0;bottom:0;background-size:cover;background-position:70% top;
  transform:scale(1.04);animation:heroZoom 12s ease-out forwards;
}
.page-hero::after{
  content:"";position:absolute;top:0;left:0;right:0;bottom:0;
  background:linear-gradient(180deg,rgba(0,0,0,.4) 0%,rgba(0,0,0,.15) 50%,rgba(0,0,0,.55) 100%);
}
.page-hero-inner{
  position:absolute;inset:0;z-index:2;
  max-width:1320px;margin:0 auto;padding:0 32px;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding-bottom:80px;color:#fafaf7;
}
.page-hero .en{
  font-family:var(--en);font-size:13px;letter-spacing:.6em;
  text-transform:uppercase;opacity:.85;margin-bottom:24px;
  display:flex;align-items:center;gap:18px;
}
.page-hero .en::before{content:"";width:48px;height:1px;background:var(--copper)}
.page-hero h1{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(32px,4.8vw,58px);
  line-height:1.5;letter-spacing:.18em;margin:0;
  text-shadow:0 2px 30px rgba(0,0,0,.35);
}
@media(max-width:600px){.page-hero h1{letter-spacing:.02em;white-space:nowrap}}
/* スマホ：屋根全体が見えるよう画像比(1728:1279)で全体表示（引き）。
   固定ヘッダー(約85px)に屋根上部が隠れないよう margin-top で下げ、拡大クリップも無効化 */
@media(max-width:720px){.page-hero{background:#fafaf7;height:auto;min-height:0;aspect-ratio:1728/1279;margin-top:85px}.page-hero-img{background-position:center top;transform:none;animation:none}}
/* スマホのみ有効な改行（ボタンテキストの折り返し位置調整用）*/
.br-sp{display:none}
@media(max-width:600px){.br-sp{display:inline}}
@keyframes heroZoom{to{transform:scale(1)}}

/* ── breadcrumb ─────────────────────────────── */
.crumb{
  background:var(--bg);border-bottom:1px solid var(--line);
  padding:18px 32px;font-size:12px;letter-spacing:.12em;color:var(--mut);
}
.crumb-inner{max-width:1240px;margin:0 auto;display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.crumb a:hover{color:var(--copper-d)}
.crumb .sep{font-family:var(--en);opacity:.5}
.crumb .here{color:var(--ink)}

/* ── buttons ────────────────────────────────── */
.btn-line{
  display:inline-block;font-family:var(--serif);font-size:14px;letter-spacing:.32em;
  padding:18px 56px;border:1px solid var(--ink);transition:all .3s;cursor:pointer;
  background:transparent;color:var(--ink);
}
.btn-line:hover{background:var(--ink);color:var(--bg)}
.btn-line.dark{border-color:#fafaf7;color:#fafaf7}
.btn-line.dark:hover{background:#fafaf7;color:#0e0e0e}
.btn-copper{
  display:inline-block;font-family:var(--serif);font-size:14px;letter-spacing:.32em;
  padding:18px 56px;border:1px solid var(--copper-d);background:var(--copper-d);color:#fafaf7;
  transition:all .3s;cursor:pointer;
}
.btn-copper:hover{background:#6e441f;border-color:#6e441f}

/* ── cta ────────────────────────────────────── */
.cta{
  background:#0e0e0e;color:#fafaf7;text-align:center;
  padding:140px 32px;position:relative;overflow:hidden;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:url('../../img/jinja-03.png') center 22%/cover;
  opacity:.22;filter:grayscale(.4);
}
.cta>*{position:relative}
.cta .en{
  font-family:var(--en);font-size:13px;letter-spacing:.6em;color:var(--copper);
  text-transform:uppercase;margin-bottom:24px;
}
.cta h2{
  font-family:var(--serif);font-weight:400;font-size:clamp(28px,3.2vw,42px);
  letter-spacing:.22em;line-height:1.7;margin:0 0 50px;
}
.cta-tel{font-family:var(--en);font-size:clamp(36px,5vw,56px);letter-spacing:.06em;display:block;margin-bottom:8px}
.cta-tel-sub{font-size:13px;letter-spacing:.32em;opacity:.7;margin-bottom:50px;display:block}
.cta-actions{display:inline-flex;gap:18px;flex-wrap:wrap;justify-content:center;margin-top:8px}

/* ── instagram widget ───────────────────────── */
.insta{background:var(--bg);padding:120px 32px;border-top:1px solid var(--line)}
.insta-head{
  max-width:1240px;margin:0 auto 48px;
  display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap;
}
.insta-head .lbl{
  font-family:var(--en);font-size:13px;letter-spacing:.5em;color:var(--copper);
  text-transform:uppercase;margin-bottom:12px;display:block;
}
.insta-head h2{font-family:var(--serif);font-weight:500;font-size:28px;letter-spacing:.22em;margin:0}
.insta-head .sub{font-family:var(--serif);font-size:14px;color:var(--mut);letter-spacing:.12em}
.insta-head .sub strong{color:var(--ink);font-weight:500}
.insta-grid{
  max-width:1240px;margin:0 auto;
  display:grid;grid-template-columns:repeat(6,1fr);gap:8px;
}
.insta-tile{
  aspect-ratio:1/1;background-size:cover;background-position:center;
  position:relative;overflow:hidden;cursor:pointer;
}
.insta-tile::after{
  content:"";position:absolute;inset:0;background:rgba(26,26,26,0);transition:background .3s;
}
.insta-tile:hover::after{background:rgba(26,26,26,.35)}
.insta-tile .meta{
  position:absolute;left:12px;bottom:10px;color:#fafaf7;
  font-family:var(--en);font-size:10px;letter-spacing:.24em;
  opacity:0;transition:opacity .3s;z-index:2;
}
.insta-tile:hover .meta{opacity:1}
@media(max-width:720px){
  .insta-grid{grid-template-columns:repeat(3,1fr)}
}

/* ── footer ─────────────────────────────────── */
footer{
  background:#0a0a0a;color:#9a9690;padding:80px 32px 32px;font-size:13px;
}
.foot-grid{
  max-width:1240px;margin:0 auto;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;
  padding-bottom:60px;border-bottom:1px solid #2a2823;
}
.foot-brand .name{font-family:var(--serif);font-size:20px;color:#fafaf7;letter-spacing:.18em;margin-bottom:16px}
.foot-brand .sub{font-family:var(--en);font-size:11px;letter-spacing:.32em;color:var(--copper);text-transform:uppercase;margin-bottom:22px}
.foot-brand p{font-family:var(--serif);line-height:1.9;margin:0}
.foot-col h5{font-family:var(--serif);font-size:13px;letter-spacing:.24em;color:#fafaf7;margin:0 0 18px}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{margin-bottom:10px;letter-spacing:.08em}
.foot-col a{transition:color .3s}
.foot-col a:hover{color:var(--copper)}
.foot-bot{
  max-width:1240px;margin:32px auto 0;display:flex;justify-content:space-between;
  font-family:var(--en);font-size:11px;letter-spacing:.32em;color:#5a5750;flex-wrap:wrap;gap:12px;
}
@media(max-width:720px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .foot-bot{flex-direction:column;gap:8px}
}

/* fallback for blocked images */
.img-fallback{background:linear-gradient(135deg,#8a5728,#5a3a1e) !important}

/* ── mobile-call（スマホ固定発信ボタン）：全ページ共通。PC(>900px)は非表示 ── */
.mobile-call{display:none}
@media(max-width:900px){
  .mobile-call{display:block;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--copper-d);color:#fafaf7;text-align:center;font-family:var(--serif);font-size:15px;letter-spacing:.18em;padding:16px 12px;box-shadow:0 -2px 16px rgba(0,0,0,.18)}
  body{padding-bottom:60px}
}