@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300;1,400&family=Noto+Serif+JP:wght@200;300;400&family=Lato:wght@100;300;400&display=swap');

:root {
  --cream: #faf7f2;
  --warm-white: #fdfcfa;
  --sand: #e8dfd0;
  --tan: #c9b99a;
  --brown: #7a6248;
  --deep: #3d2e1e;
  --leaf: #5c7a52;
  --coral: #c4705a;
}

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

body {
  background: var(--cream);
  color: var(--deep);
  font-family: 'Noto Serif JP', serif;
  font-weight: 300;
  overflow-x: hidden;
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(250,247,242,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(201,185,154,0.3);
  transition: box-shadow 0.3s;
}

.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem;
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.15em;
  color: var(--deep);
  text-decoration: none;
}
.nav-logo em { font-style: italic; color: var(--deep); }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-family: 'Lato', sans-serif;
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--deep);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--brown); }

.nav-links a.schedule-link {
  padding: 0.4rem 1rem;
  border: 1px solid var(--tan);
  color: var(--brown);
}
.nav-links a.schedule-link:hover,
.nav-links a.schedule-link.active {
  background: var(--brown);
  color: var(--warm-white);
}

/* PAGE HERO (サブページ共通) */
.page-hero {
  padding: 10rem 3rem 4rem;
  background: var(--warm-white);
  border-bottom: 1px solid var(--sand);
}
.page-hero-inner {
  max-width: 960px;
  margin: 0 auto;
}
.page-hero-label {
  font-family: 'Lato', sans-serif;
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--tan);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.page-hero-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.05em;
  color: var(--deep);
  line-height: 1.1;
}
.page-hero-title em { font-style: italic; color: var(--brown); }

/* SECTIONS */
section { padding: 6rem 3rem; }

.section-inner {
  max-width: 960px;
  margin: 0 auto;
}
.section-label {
  font-family: 'Lato', sans-serif;
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--tan);
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--sand);
  max-width: 80px;
}
.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--deep);
  margin-bottom: 2.5rem;
  line-height: 1.2;
}
.section-title em { font-style: italic; color: var(--brown); }

/* CTA BUTTON */
.btn-outline {
  display: inline-block;
  padding: 0.85rem 2.5rem;
  border: 1px solid var(--brown);
  font-family: 'Lato', sans-serif;
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  color: var(--brown);
  text-decoration: none;
  transition: all 0.3s;
  text-transform: uppercase;
  cursor: pointer;
  background: none;
}
.btn-outline:hover {
  background: var(--brown);
  color: var(--warm-white);
}

/* FOOTER */
footer {
  background: var(--deep);
  padding: 3.5rem 3rem;
  text-align: center;
}
.footer-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 300;
  font-style: italic;
  color: var(--tan);
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
}
.footer-tagline {
  font-size: 0.75rem;
  color: rgba(201,185,154,0.4);
  letter-spacing: 0.15em;
  font-weight: 200;
  margin-bottom: 2rem;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  list-style: none;
  margin-bottom: 2rem;
}
.footer-links a {
  font-family: 'Lato', sans-serif;
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: rgba(201,185,154,0.4);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--tan); }
.footer-copy {
  font-family: 'Lato', sans-serif;
  font-size: 0.62rem;
  font-weight: 300;
  color: rgba(201,185,154,0.2);
  letter-spacing: 0.1em;
}

/* HAMBURGER MENU */
.nav-burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
}
.nav-burger span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--deep);
  transition: all 0.3s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav-overlay {
  position: fixed;
  inset: 0;
  background: var(--warm-white);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
}
.nav-overlay.open {
  opacity: 1;
  visibility: visible;
}
.nav-overlay a {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-style: italic;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--deep);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-overlay a:hover,
.nav-overlay a.active { color: var(--brown); }
.nav-overlay a.schedule-link-overlay {
  padding: 0.5rem 1.5rem;
  border: 1px solid var(--tan);
  font-size: 1.2rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  section { padding: 4rem 1.5rem; }
  .page-hero { padding: 8rem 1.5rem 3rem; }
}