/* ============================================================
   近江屋ながおか — 共通スタイルシート v6
   設計：シンプル・清潔・老舗感・モバイルファースト
   紺（#1e3461）× 金（#c8963c）× クリーム（#faf6ee）
   ============================================================ */

/* ── カスタムプロパティ ─────────────────────── */
:root {
  --navy:      #1e3461;
  --navy-deep: #0f1d38;
  --navy-mid:  #2c4a8c;
  --navy-pale: #edf0f8;
  --gold:      #c8963c;
  --gold-lt:   #e0b560;
  --cream:     #faf6ee;
  --ivory:     #f3ece0;
  --sand:      #e8dcc8;
  --tx-dark:   #1b2a4a;
  --tx-mid:    #4a5870;
  --tx-muted:  #8a96ae;
  --rule:      #e0e6f0;
  --rule-w:    #e4d8c4;
  --white:     #ffffff;

  --serif: 'Noto Serif JP', 'Yu Mincho', serif;
  --sans:  'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --wrap:  1060px;
  --ease:  0.25s ease;
}

/* ── リセット ─────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--sans);color:var(--tx-dark);background:var(--white);
     line-height:1.85;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* ── レイアウト補助 ──────────────────────── */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-sm{padding:56px 0}
.bg-white{background:var(--white)}
.bg-cream{background:var(--cream)}
.bg-ivory{background:var(--ivory)}
.bg-navy{background:var(--navy);color:#fff}

/* ── セクションヘッダー（共通） ────────────── */
.sec-head{text-align:center;margin-bottom:52px}
.sec-en{
  display:block;font-family:var(--serif);font-size:.68rem;
  letter-spacing:.32em;color:var(--gold);text-transform:uppercase;
  margin-bottom:8px
}
.sec-ja{
  font-family:var(--serif);font-size:clamp(1.45rem,3vw,2rem);
  font-weight:700;color:var(--navy);letter-spacing:.06em;line-height:1.4;
  margin-bottom:12px
}
.bg-navy .sec-ja{color:#fff}
.sec-lead{font-size:.9rem;color:var(--tx-mid)}
.bg-navy .sec-lead{color:rgba(255,255,255,.6)}
.sec-rule{
  width:40px;height:2px;background:var(--gold);
  margin:12px auto 0;border-radius:1px
}

/* ── ボタン ───────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;padding:13px 28px;border-radius:2px;
  font-family:var(--sans);font-size:.88rem;font-weight:600;
  letter-spacing:.04em;cursor:pointer;border:none;
  transition:background var(--ease),color var(--ease),
             transform var(--ease),box-shadow var(--ease);
  white-space:nowrap
}
.btn:hover{transform:translateY(-2px)}
.btn-gold{
  background:var(--gold);color:#fff;
  box-shadow:0 4px 14px rgba(200,150,60,.32)
}
.btn-gold:hover{
  background:var(--gold-lt);color:var(--navy-deep);
  box-shadow:0 6px 20px rgba(200,150,60,.42)
}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-mid)}
.btn-outline{
  background:transparent;color:var(--navy);
  border:1.5px solid var(--navy)
}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-lg{padding:16px 36px;font-size:1rem}
.btn-full{width:100%}
.btn-tel{
  background:transparent;color:inherit;
  border:1.5px solid rgba(255,255,255,.5)
}
.btn-tel:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* ── フェードイン ─────────────────────────── */
.fade{opacity:0;transform:translateY(18px);
      transition:opacity .6s ease,transform .6s ease}
.fade.in{opacity:1;transform:none}
.fade-d1{transition-delay:.1s}
.fade-d2{transition-delay:.2s}
.fade-d3{transition-delay:.3s}

/* ═══════════════════════════════════════════
   ヘッダー（全ページ共通）
═══════════════════════════════════════════ */
#gh{
  position:fixed;top:0;left:0;width:100%;z-index:900;
  padding:12px 0;
  background:rgba(14,27,56,.9);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:padding var(--ease),background var(--ease),box-shadow var(--ease)
}
#gh.scrolled{
  padding:8px 0;
  background:rgba(14,27,56,.98);
  box-shadow:0 2px 20px rgba(0,0,0,.35)
}
.gh-inner{
  max-width:var(--wrap);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:12px
}
.gh-logo{flex-shrink:0}
.gh-logo img{
  height:42px;width:auto;
  transition:opacity var(--ease)
}
.gh-logo img:hover{opacity:.8}

/* ナビ */
#gnav ul{display:flex;align-items:center;gap:2px}
#gnav a{
  font-size:.78rem;font-weight:500;color:rgba(255,255,255,.72);
  padding:7px 12px;border-radius:2px;white-space:nowrap;
  transition:color var(--ease),background var(--ease)
}
#gnav a:hover,#gnav a.current{
  color:#fff;background:rgba(255,255,255,.1)
}
.gnav-cta{
  background:var(--gold)!important;color:#fff!important;
  padding:8px 18px!important;
  display:inline-flex!important;align-items:center;gap:6px
}
.gnav-cta:hover{
  background:var(--gold-lt)!important;
  color:var(--navy-deep)!important
}

/* ハンバーガー */
#hbg{
  display:none;flex-direction:column;gap:5px;
  padding:6px;z-index:910
}
#hbg span{
  display:block;width:22px;height:2px;
  background:#fff;border-radius:1px;
  transition:transform var(--ease),opacity var(--ease)
}
#hbg.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
#hbg.open span:nth-child(2){opacity:0}
#hbg.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ページトップ */
#pg-top{
  position:fixed;bottom:24px;right:18px;
  width:44px;height:44px;border-radius:50%;
  background:var(--gold);color:#fff;font-size:.9rem;
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;
  transition:opacity var(--ease),background var(--ease);
  z-index:800;box-shadow:0 4px 14px rgba(0,0,0,.22)
}
#pg-top.show{opacity:1;pointer-events:auto}
#pg-top:hover{background:var(--gold-lt)}

/* ═══════════════════════════════════════════
   フッター（全ページ共通）
═══════════════════════════════════════════ */
#gf{background:var(--navy-deep);padding:52px 0 28px;text-align:center}
.gf-inner{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.gf-logo img{
  height:72px;width:auto;margin:0 auto 14px;
  opacity:.85
}
.gf-catch{
  font-family:var(--serif);font-size:.84rem;
  color:rgba(255,255,255,.42);letter-spacing:.08em;margin-bottom:8px
}
.gf-info{
  font-size:.75rem;color:rgba(255,255,255,.32);
  line-height:1.9;margin-bottom:22px
}
.gf-nav ul{
  display:flex;flex-wrap:wrap;justify-content:center;
  margin-bottom:24px
}
.gf-nav a{
  font-size:.76rem;color:rgba(255,255,255,.42);
  padding:4px 10px;
  border-right:1px solid rgba(255,255,255,.1);
  transition:color var(--ease)
}
.gf-nav li:last-child a{border-right:none}
.gf-nav a:hover{color:var(--gold-lt)}
.gf-copy{font-size:.7rem;color:rgba(255,255,255,.2);letter-spacing:.06em}

/* ═══════════════════════════════════════════
   ページヘッダー（内部ページ用）
═══════════════════════════════════════════ */
.page-hero{
  padding:120px 0 56px;
  background:linear-gradient(155deg,var(--navy-deep) 0%,var(--navy) 100%);
  text-align:center;
  position:relative;overflow:hidden
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:44px 44px;pointer-events:none
}
.page-hero-en{
  font-family:var(--serif);font-size:.68rem;letter-spacing:.35em;
  color:rgba(200,150,60,.75);text-transform:uppercase;margin-bottom:8px
}
.page-hero-ja{
  font-family:var(--serif);font-size:clamp(1.7rem,4vw,2.4rem);
  font-weight:700;color:#fff;letter-spacing:.06em
}
.breadcrumb{
  margin-top:20px;font-size:.74rem;
  color:rgba(255,255,255,.38);
  display:flex;align-items:center;justify-content:center;gap:6px
}
.breadcrumb a{color:rgba(255,255,255,.5);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--gold-lt)}
.breadcrumb i{font-size:.55rem}

/* ═══════════════════════════════════════════
   フォーム（contact.html用）
═══════════════════════════════════════════ */
.form-card{
  background:var(--white);border-radius:4px;
  padding:40px 40px;border:1px solid var(--rule);
  box-shadow:0 4px 24px rgba(27,42,74,.06)
}
.form-row{margin-bottom:22px}
.form-row label{
  display:block;font-size:.82rem;font-weight:600;
  color:var(--tx-dark);margin-bottom:7px;letter-spacing:.03em
}
.req{
  font-size:.6rem;background:var(--gold);color:#fff;
  padding:2px 7px;border-radius:2px;margin-left:6px;
  font-weight:700;vertical-align:middle
}
.form-row input,
.form-row select,
.form-row textarea{
  width:100%;padding:12px 14px;
  border:1.5px solid var(--rule);border-radius:2px;
  font-family:var(--sans);font-size:.9rem;color:var(--tx-dark);
  background:var(--white);
  transition:border-color var(--ease),box-shadow var(--ease);
  appearance:auto
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus{
  outline:none;border-color:var(--navy-mid);
  box-shadow:0 0 0 3px rgba(44,74,140,.1)
}
.form-row textarea{resize:vertical;min-height:130px}
.chk-label{
  display:flex;align-items:center;gap:10px;
  cursor:pointer;font-size:.84rem;color:var(--tx-mid)
}
.chk-label input[type=checkbox]{
  width:18px;height:18px;accent-color:var(--navy-mid)
}
.form-msg{
  margin-top:14px;padding:12px 16px;
  border-radius:2px;font-size:.84rem;display:none
}
.form-msg.ok{display:block;background:#e6f4ea;color:#1e6b3c;border:1px solid #b2dfcf}
.form-msg.ng{display:block;background:#fdecea;color:#8b1a1a;border:1px solid #f5c6c6}

/* ─── フォームレイアウト 2カラム ─── */
.form-2col{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}

/* ═══════════════════════════════════════════
   レスポンシブ共通
═══════════════════════════════════════════ */
@media(max-width:860px){
  .section{padding:56px 0}
  #hbg{display:flex}
  .gh-logo img{height:34px}
  #gnav{
    position:fixed;top:0;right:0;
    width:min(280px,85vw);height:100vh;
    background:var(--navy-deep);
    padding:76px 22px 36px;
    transform:translateX(100%);
    transition:transform var(--ease);
    box-shadow:-6px 0 32px rgba(0,0,0,.5);
    z-index:905;overflow-y:auto
  }
  #gnav.open{transform:translateX(0)}
  #gnav ul{flex-direction:column;gap:0}
  #gnav a{
    display:block;padding:14px 0;font-size:.96rem;
    border-bottom:1px solid rgba(255,255,255,.07);
    color:rgba(255,255,255,.78)
  }
  .gnav-cta{
    background:transparent!important;
    border:1px solid var(--gold)!important;
    color:var(--gold)!important;
    border-radius:0!important;
    justify-content:flex-start!important
  }
  .form-2col{grid-template-columns:1fr}
  .form-card{padding:26px 20px}
}

@media(max-width:520px){
  .sec-ja{font-size:1.4rem}
  .gf-logo img{height:52px}
}

:focus-visible{outline:2px solid var(--gold);outline-offset:3px}