@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Noto+Serif+JP:wght@200;300;400;500;600&family=Cinzel:wght@400;500&display=swap');

:root {
  --copper: #B87333;
  --copper-light: #D4956A;
  --copper-dark: #8B5E3C;
  --bronze: #CD7F32;
  --sandstone: #E8D5B7;
  --sandstone-light: #F5F0E8;
  --sandstone-dark: #C8B89A;
  --forest: #2D4A3E;
  --forest-light: #3D6454;
  --forest-dark: #1A2E26;
  --charcoal: #2C2C2C;
  --charcoal-light: #4A4A4A;
  --cream: #FAF7F2;
  --white: #FFFFFF;
  --overlay: rgba(28, 22, 14, 0.55);
  --nav-height: 80px;
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Noto Serif JP', serif;
  background-color: var(--cream);
  color: var(--charcoal);
  line-height: 1.8;
  overflow-x: hidden;
}

/* ─── SCROLLBAR ─────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--sandstone-light); }
::-webkit-scrollbar-thumb { background: var(--copper); border-radius: 3px; }

/* ─── TYPOGRAPHY ─────────────────────────────────── */
h1,h2,h3,h4,h5 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.02em;
}
.ja-heading { font-family: 'Noto Serif JP', serif; font-weight: 300; letter-spacing: 0.15em; }
.en-label {
  font-family: 'Cinzel', serif;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--copper);
}
p { margin-bottom: 1.2em; }
a { color: inherit; text-decoration: none; transition: var(--transition); }

/* ─── NAVIGATION ─────────────────────────────────── */
.site-nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  height: var(--nav-height);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 4rem;
  background: linear-gradient(to bottom, rgba(28,22,14,0.9) 0%, rgba(28,22,14,0.0) 100%);
  transition: var(--transition);
}
.site-nav.scrolled {
  background: rgba(44, 44, 44, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(184, 115, 51, 0.3);
}
.nav-logo { display: flex; align-items: center; gap: 1rem; }
.nav-logo svg { width: 48px; height: 48px; }
.nav-logo-text { color: var(--sandstone-light); }
.nav-logo-text .en { font-family: 'Cinzel', serif; font-size: 0.85rem; letter-spacing: 0.25em; display: block; color: var(--copper-light); }
.nav-logo-text .ja { font-family: 'Noto Serif JP', serif; font-size: 0.65rem; letter-spacing: 0.2em; color: var(--sandstone-dark); display: block; }
.nav-links { display: flex; align-items: center; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: rgba(245, 240, 232, 0.85);
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--copper); transition: width 0.3s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a:hover, .nav-links a.active { color: var(--sandstone-light); }
.nav-toggle { display: none; cursor: pointer; flex-direction: column; gap: 5px; background: none; border: none; padding: 5px; }
.nav-toggle span { display: block; width: 26px; height: 1.5px; background: var(--sandstone-light); transition: var(--transition); }
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile {
  display: none; position: fixed; top: var(--nav-height); left: 0; width: 100%; height: calc(100vh - var(--nav-height));
  background: rgba(28, 22, 14, 0.98); z-index: 999;
  flex-direction: column; align-items: center; justify-content: center; gap: 2rem;
  opacity: 0; pointer-events: none; transition: opacity 0.4s ease;
}
.nav-mobile.open { opacity: 1; pointer-events: all; }
.nav-mobile a {
  font-family: 'Noto Serif JP', serif; font-size: 1.3rem; font-weight: 300;
  letter-spacing: 0.2em; color: var(--sandstone-light);
  transition: color 0.3s ease;
}
.nav-mobile a:hover { color: var(--copper-light); }
.nav-mobile .en-sub { font-family: 'Cinzel', serif; font-size: 0.65rem; letter-spacing: 0.35em; color: var(--copper); display: block; text-align: center; margin-top: 0.2rem; }

/* ─── HERO ─────────────────────────────────── */
.hero {
  position: relative; width: 100%; height: 100vh; min-height: 600px;
  overflow: hidden; display: flex; align-items: center; justify-content: center;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center; background-attachment: fixed;
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(28,22,14,0.65) 0%, rgba(45,74,62,0.4) 50%, rgba(28,22,14,0.7) 100%);
}
.hero-content { position: relative; z-index: 2; text-align: center; color: var(--sandstone-light); padding: 0 2rem; }
.hero-kana { font-family: 'Noto Serif JP', serif; font-size: 0.8rem; letter-spacing: 0.5em; color: var(--copper-light); margin-bottom: 1.5rem; display: block; }
.hero-title { font-family: 'Cormorant Garamond', serif; font-size: clamp(3rem, 8vw, 7rem); font-weight: 300; line-height: 1.05; margin-bottom: 1.5rem; }
.hero-title span { display: block; color: var(--copper-light); font-style: italic; }
.hero-subtitle { font-family: 'Noto Serif JP', serif; font-size: clamp(0.9rem, 1.5vw, 1.1rem); font-weight: 200; letter-spacing: 0.2em; max-width: 600px; margin: 0 auto 2.5rem; opacity: 0.9; }
.hero-divider { width: 80px; height: 1px; background: var(--copper); margin: 0 auto 2.5rem; position: relative; }
.hero-divider::before, .hero-divider::after {
  content: '◆'; position: absolute; top: -5px;
  font-size: 0.5rem; color: var(--copper);
}
.hero-divider::before { left: -12px; }
.hero-divider::after { right: -12px; }
.hero-scroll {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  color: var(--sandstone-light); opacity: 0.7; z-index: 2;
  font-family: 'Cinzel', serif; font-size: 0.6rem; letter-spacing: 0.3em;
  animation: scrollBounce 2s ease-in-out infinite;
}
.hero-scroll::after {
  content: ''; display: block; width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--copper), transparent);
}
@keyframes scrollBounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }

/* ─── PAGE HEADER ─────────────────────────────────── */
.page-header {
  position: relative; height: 55vh; min-height: 400px;
  display: flex; align-items: flex-end; padding: 4rem;
  overflow: hidden;
}
.page-header-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.page-header-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(28,22,14,0.9) 0%, rgba(28,22,14,0.3) 60%, rgba(28,22,14,0.5) 100%);
}
.page-header-content { position: relative; z-index: 2; color: var(--sandstone-light); }
.page-header-content .en-label { margin-bottom: 0.8rem; }
.page-header-content h1 { font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 300; line-height: 1.1; margin-bottom: 0.5rem; }
.page-header-content .subtitle { font-family: 'Noto Serif JP', serif; font-size: 1rem; font-weight: 200; letter-spacing: 0.15em; opacity: 0.8; }

/* ─── SECTIONS ─────────────────────────────────── */
.section { padding: 6rem 0; }
.section-sm { padding: 4rem 0; }
.section-dark { background-color: var(--charcoal); color: var(--sandstone-light); }
.section-forest { background-color: var(--forest-dark); color: var(--sandstone-light); }
.section-sand { background-color: var(--sandstone-light); }
.section-cream { background-color: var(--cream); }
.container { max-width: 1280px; margin: 0 auto; padding: 0 4rem; }
.container-narrow { max-width: 860px; margin: 0 auto; padding: 0 2rem; }
.container-wide { max-width: 1480px; margin: 0 auto; padding: 0 2rem; }

/* ─── SECTION HEADER ─────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header .en-label { margin-bottom: 1rem; }
.section-header h2 { font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 300; margin-bottom: 1rem; }
.section-header .ja-sub { font-family: 'Noto Serif JP', serif; font-size: 0.85rem; font-weight: 200; letter-spacing: 0.25em; color: var(--copper); }
.section-divider { display: flex; align-items: center; gap: 1.5rem; margin: 2rem auto; max-width: 300px; }
.section-divider::before, .section-divider::after { content: ''; flex: 1; height: 1px; background: var(--copper); opacity: 0.4; }
.section-divider span { color: var(--copper); font-size: 0.5rem; }

/* ─── BUTTONS ─────────────────────────────────── */
.btn {
  display: inline-block; padding: 0.9rem 2.5rem;
  font-family: 'Cinzel', serif; font-size: 0.75rem; letter-spacing: 0.25em;
  border: 1px solid var(--copper); color: var(--copper);
  background: transparent; cursor: pointer;
  transition: var(--transition); position: relative; overflow: hidden;
}
.btn::before {
  content: ''; position: absolute; inset: 0;
  background: var(--copper); transform: translateX(-101%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
}
.btn:hover::before { transform: translateX(0); }
.btn:hover { color: var(--cream); }
.btn span { position: relative; z-index: 1; }
.btn-solid { background: var(--copper); color: var(--cream); }
.btn-solid::before { background: var(--copper-dark); }
.btn-forest { border-color: var(--forest); color: var(--forest); }
.btn-forest::before { background: var(--forest); }
.btn-forest:hover { color: var(--cream); }
.btn-light { border-color: var(--sandstone-light); color: var(--sandstone-light); }
.btn-light::before { background: var(--sandstone-light); }
.btn-light:hover { color: var(--charcoal); }

/* ─── CARDS ─────────────────────────────────── */
.card-grid { display: grid; gap: 2rem; }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white); overflow: hidden;
  transition: var(--transition); position: relative;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(0,0,0,0.15); }
.card-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; transition: transform 0.6s ease; }
.card:hover .card-img { transform: scale(1.05); }
.card-img-wrap { overflow: hidden; }
.card-body { padding: 1.8rem; }
.card-body .en-label { margin-bottom: 0.6rem; }
.card-body h3 { font-size: 1.5rem; margin-bottom: 0.8rem; }
.card-body p { font-size: 0.9rem; color: var(--charcoal-light); line-height: 1.7; }
.card-body .card-link { font-family: 'Cinzel', serif; font-size: 0.7rem; letter-spacing: 0.25em; color: var(--copper); margin-top: 1rem; display: inline-block; }
.card-body .card-link:hover { letter-spacing: 0.35em; }

/* ─── IMAGE LAYOUTS ─────────────────────────────────── */
.img-split { display: grid; grid-template-columns: 1fr 1fr; min-height: 600px; }
.img-split-content { display: flex; flex-direction: column; justify-content: center; padding: 5rem; }
.img-split-img { overflow: hidden; }
.img-split-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s ease; }
.img-split:hover .img-split-img img { transform: scale(1.03); }
.img-split-reverse .img-split-content { order: 2; }
.img-split-reverse .img-split-img { order: 1; }

.img-full { width: 100%; max-height: 600px; object-fit: cover; display: block; }
.img-frame { border: 1px solid var(--copper); padding: 8px; }
.img-frame img { display: block; width: 100%; }

/* ─── QUOTE ─────────────────────────────────── */
.blockquote {
  border-left: 3px solid var(--copper);
  padding: 2rem 2.5rem; margin: 3rem 0;
  background: rgba(184,115,51,0.05);
}
.blockquote p { font-family: 'Cormorant Garamond', serif; font-size: 1.5rem; font-style: italic; font-weight: 300; line-height: 1.5; margin: 0; }
.blockquote cite { display: block; margin-top: 1rem; font-family: 'Cinzel', serif; font-size: 0.65rem; letter-spacing: 0.3em; color: var(--copper); }

/* ─── TRAIL MARKER DIVIDER ─────────────────────────────────── */
.trail-divider { display: flex; align-items: center; gap: 0; margin: 4rem 0; }
.trail-divider-line { flex: 1; height: 1px; background: linear-gradient(to right, transparent, var(--copper-dark), transparent); }
.trail-divider-icon { width: 36px; height: 36px; flex-shrink: 0; }

/* ─── DECORATIVE NUMBER ─────────────────────────────────── */
.deco-num {
  font-family: 'Cormorant Garamond', serif; font-size: 7rem; font-weight: 300;
  color: rgba(184,115,51,0.1); line-height: 1; position: absolute;
  top: -2rem; right: 2rem; pointer-events: none; user-select: none;
}

/* ─── FOOTER ─────────────────────────────────── */
.site-footer {
  background: var(--charcoal);
  color: var(--sandstone);
  padding: 5rem 0 2rem;
  border-top: 1px solid rgba(184,115,51,0.3);
}
.footer-inner {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem;
  max-width: 1280px; margin: 0 auto; padding: 0 4rem;
}
.footer-brand .logo-wrap { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.footer-brand .logo-wrap svg { width: 50px; height: 50px; }
.footer-brand p { font-size: 0.85rem; font-weight: 200; line-height: 1.9; color: rgba(232,213,183,0.7); max-width: 300px; }
.footer-col h4 { font-family: 'Cinzel', serif; font-size: 0.7rem; letter-spacing: 0.3em; color: var(--copper); margin-bottom: 1.5rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.7rem; }
.footer-col ul li a { font-size: 0.85rem; font-weight: 200; color: rgba(232,213,183,0.7); letter-spacing: 0.08em; }
.footer-col ul li a:hover { color: var(--copper-light); }
.footer-contact p { font-size: 0.85rem; font-weight: 200; color: rgba(232,213,183,0.7); line-height: 1.8; }
.footer-contact p span { display: block; color: var(--copper-light); font-family: 'Cinzel', serif; font-size: 0.65rem; letter-spacing: 0.2em; margin-bottom: 0.3rem; }
.footer-bottom {
  max-width: 1280px; margin: 3rem auto 0; padding: 1.5rem 4rem 0;
  border-top: 1px solid rgba(184,115,51,0.15);
  display: flex; justify-content: space-between; align-items: center;
}
.footer-bottom p { font-size: 0.75rem; letter-spacing: 0.1em; color: rgba(232,213,183,0.4); }

/* ─── TOAST NOTIFICATION ─────────────────────────────────── */
.toast-container { position: fixed; bottom: 2rem; right: 2rem; z-index: 9999; display: flex; flex-direction: column; gap: 0.8rem; }
.toast {
  background: var(--charcoal); color: var(--sandstone-light);
  padding: 1rem 1.5rem; min-width: 280px;
  border-left: 3px solid var(--copper);
  display: flex; align-items: center; gap: 1rem;
  transform: translateX(120%); transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
  font-size: 0.85rem; font-weight: 300; letter-spacing: 0.05em;
}
.toast.show { transform: translateX(0); }
.toast.success { border-color: var(--forest-light); }
.toast.error { border-color: #B87333; }
.toast-icon { font-size: 1.2rem; flex-shrink: 0; }
.toast-close { margin-left: auto; cursor: pointer; opacity: 0.5; font-size: 1rem; transition: opacity 0.2s; border: none; background: none; color: inherit; }
.toast-close:hover { opacity: 1; }

/* ─── FORM ELEMENTS ─────────────────────────────────── */
.form-group { margin-bottom: 1.8rem; }
.form-label {
  display: block; font-family: 'Cinzel', serif;
  font-size: 0.65rem; letter-spacing: 0.25em; color: var(--copper);
  margin-bottom: 0.6rem;
}
.form-control {
  width: 100%; padding: 0.9rem 1rem;
  background: transparent; border: 1px solid rgba(184,115,51,0.3);
  color: var(--charcoal); font-family: 'Noto Serif JP', serif;
  font-size: 0.9rem; font-weight: 300;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.form-control:focus { outline: none; border-color: var(--copper); background: rgba(184,115,51,0.04); }
.form-control::placeholder { color: rgba(44,44,44,0.35); letter-spacing: 0.1em; }
textarea.form-control { resize: vertical; min-height: 140px; }
.section-dark .form-control { color: var(--sandstone-light); border-color: rgba(184,115,51,0.3); }
.section-dark .form-control:focus { background: rgba(184,115,51,0.08); }
.section-dark .form-control::placeholder { color: rgba(232,213,183,0.35); }

/* ─── ANIMATIONS ─────────────────────────────────── */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-in { opacity: 0; transition: opacity 0.8s ease; }
.fade-in.visible { opacity: 1; }
.slide-left { opacity: 0; transform: translateX(-30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.slide-left.visible { opacity: 1; transform: translateX(0); }
.slide-right { opacity: 0; transform: translateX(30px); transition: opacity: 0.7s ease, transform 0.7s ease; }
.slide-right.visible { opacity: 1; transform: translateX(0); }

/* ─── COPPER LINE ACCENT ─────────────────────────────────── */
.copper-line { width: 60px; height: 2px; background: var(--copper); margin-bottom: 2rem; }
.copper-line-center { margin-left: auto; margin-right: auto; }

/* ─── TAG ─────────────────────────────────── */
.tag {
  display: inline-block; padding: 0.2rem 0.8rem;
  border: 1px solid var(--copper); color: var(--copper);
  font-family: 'Cinzel', serif; font-size: 0.6rem; letter-spacing: 0.25em;
  margin-right: 0.5rem; margin-bottom: 0.5rem;
}

/* ─── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 1100px) {
  .container { padding: 0 2.5rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .footer-bottom { padding: 1.5rem 2.5rem 0; }
}
@media (max-width: 900px) {
  .site-nav { padding: 0 2rem; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-mobile { display: flex; }
  .img-split { grid-template-columns: 1fr; }
  .img-split-content { padding: 3rem 2rem; order: 2; }
  .img-split-img { order: 1; min-height: 300px; }
  .img-split-reverse .img-split-content { order: 2; }
  .img-split-reverse .img-split-img { order: 1; }
  .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .site-nav { padding: 0 1.5rem; }
  .container { padding: 0 1.5rem; }
  .section { padding: 4rem 0; }
  .card-grid-2, .card-grid-3, .card-grid-4 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; padding: 1.5rem 1.5rem 0; }
  .page-header { padding: 2rem 1.5rem; height: 45vh; }
  .img-split-content { padding: 2.5rem 1.5rem; }
}