/* ═══════════════════════════════════════
   enne — 共通スタイル
   全ページで読み込む
═══════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Noto+Serif+JP:wght@200;300;400&family=Raleway:wght@200;300;400&display=swap');

:root {
  --bg:         #f7f2ec;
  --bg-dark:    #ede5d8;
  --gold:       #b8965a;
  --gold-light: #d4b07a;
  --gold-pale:  #e8d4b0;
  --text:       #2a2318;
  --text-muted: #7a6e62;
  --header-h:   76px;

  /* 外部サービス */
  --hp-color:   #e2001a;
  --line-color: #06c755;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Serif JP', serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  padding-top: var(--header-h);
  line-height: 1.7;
}

/* ─── HEADER ─── */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(247,242,236,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid rgba(184,150,90,0.18);
}

.header-inner {
  max-width: 1320px;
  margin: 0 auto;
  height: 100%;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--text);
}

.logo-area img { height: 40px; width: auto; }

.logo-area .brand {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.9rem;
  font-weight: 400;
  letter-spacing: 5px;
  color: var(--gold);
}

nav ul { display: flex; gap: 40px; list-style: none; }

nav a {
  font-family: 'Noto Serif JP', serif;
  font-weight: 200;
  font-size: 0.82rem;
  letter-spacing: 2.5px;
  color: var(--text-muted);
  text-decoration: none;
  position: relative;
  transition: color 0.3s;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(.23,1,.32,1);
}

nav a:hover { color: var(--gold); }
nav a:hover::after { transform: scaleX(1); }

/* ─── HAMBURGER ─── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1100;
}

.hamburger span {
  width: 26px; height: 1.5px;
  background: var(--text);
  transition: all 0.4s ease;
}

.hamburger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ─── MOBILE MENU ─── */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 48px;
  transform: translateX(100%);
  transition: transform 0.6s cubic-bezier(.23,1,.32,1);
  z-index: 900;
}

.mobile-menu.active { transform: translateX(0); }

.mobile-menu .brand-top {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3.5rem;
  font-weight: 300;
  color: var(--gold);
  letter-spacing: 10px;
  margin-bottom: 20px;
}

.mobile-menu a {
  font-family: 'Noto Serif JP', serif;
  font-weight: 200;
  font-size: 1rem;
  letter-spacing: 4px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s;
}

.mobile-menu a:hover { color: var(--gold); }

/* ─── SECTION HEADER ─── */
.section-header {
  text-align: center;
  margin: 100px 0 60px;
}

.section-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3rem;
  font-weight: 300;
  letter-spacing: 8px;
  color: var(--text);
  display: block;
}

.section-ja {
  font-family: 'Noto Serif JP', serif;
  font-weight: 200;
  font-size: 0.72rem;
  letter-spacing: 4px;
  color: var(--gold);
  display: block;
  margin-top: 6px;
}

/* ─── PAGE HEADER (サブページ用) ─── */
.page-hero {
  padding: 70px 0 50px;
  text-align: center;
  border-bottom: 1px solid var(--gold-pale);
  margin-bottom: 80px;
}

.page-hero .page-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 300;
  letter-spacing: 10px;
  color: var(--text);
  display: block;
}

.page-hero .page-ja {
  font-family: 'Noto Serif JP', serif;
  font-weight: 200;
  font-size: 0.72rem;
  letter-spacing: 5px;
  color: var(--gold);
  display: block;
  margin-top: 10px;
}

/* ─── FOOTER ─── */
footer {
  background: var(--text);
  color: var(--gold-pale);
  text-align: center;
  padding: 40px 0;
}

.footer-brand {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 8px;
  color: var(--gold);
  display: block;
  margin-bottom: 12px;
}

footer small {
  font-family: 'Raleway', sans-serif;
  font-weight: 300;
  font-size: 0.72rem;
  letter-spacing: 2.5px;
  opacity: 0.5;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .header-inner { padding: 0 20px; }
  nav ul { display: none; }
  .hamburger { display: flex; }
  .page-hero { padding: 50px 0 40px; margin-bottom: 60px; }
}