/* ===================================
   URBAN RETREAT PARTNER — Premium 3D
   Depth, Texture, Shadows
   Day: White    Night: Dark Navy
   =================================== */

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

:root {
  --bg: #f3f2ef;
  --bg-alt: #eae8e4;
  --surface: rgba(255,255,255,0.82);
  --surface-solid: #ffffff;
  --card-bg: rgba(255,255,255,0.65);
  --card-bg-hover: rgba(255,255,255,0.88);
  --card-border: rgba(255,255,255,0.5);
  --card-border-bottom: rgba(0,0,0,0.08);
  --card-inner-glow: inset 0 1px 0 rgba(255,255,255,0.9), inset 0 -1px 0 rgba(0,0,0,0.03);
  --border: rgba(0,0,0,0.06);
  --border-accent: rgba(44,62,80,0.3);
  --text: #1a1714;
  --text-2: #4a453e;
  --text-3: #908880;
  --accent: #2c3e50;
  --accent-2: #5d6d7e;
  --accent-rgb: 44,62,80;
  --gold-grad: linear-gradient(135deg, #5d6d7e 0%, #2c3e50 50%, #5d6d7e 100%);
  --gold-grad-subtle: linear-gradient(135deg, rgba(93,109,126,0.12), rgba(44,62,80,0.04));
  --nav-bg: rgba(243,242,239,0.72);
  --overlay: rgba(243,242,239,0.97);

  /* 3D Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-card: 0 1px 2px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04), 0 12px 28px rgba(0,0,0,0.04);
  --shadow-card-hover: 0 2px 4px rgba(0,0,0,0.06), 0 8px 20px rgba(0,0,0,0.06), 0 20px 48px rgba(0,0,0,0.08), 0 0 0 1px rgba(var(--accent-rgb),0.12);
  --shadow-card-deep: 0 4px 8px rgba(0,0,0,0.06), 0 12px 32px rgba(0,0,0,0.08), 0 24px 56px rgba(0,0,0,0.1);
  --shadow-elevated: 0 20px 60px rgba(0,0,0,0.12), 0 8px 24px rgba(0,0,0,0.06);
  --shadow-glow: 0 0 40px rgba(var(--accent-rgb),0.08), 0 0 80px rgba(var(--accent-rgb),0.04);
  --shadow-inset: inset 0 2px 4px rgba(0,0,0,0.04);

  --radius: 20px;
  --radius-sm: 14px;
  --radius-xs: 8px;
  --spring: #537a42; --summer: #2e6a72; --autumn: #a85520; --winter: #3e5a72;
  --font-serif: 'Shippori Mincho', 'Noto Serif JP', serif;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="night"] {
  --bg: #080c16;
  --bg-alt: #0c1220;
  --surface: rgba(18,24,38,0.82);
  --surface-solid: #121828;
  --card-bg: rgba(18,25,42,0.65);
  --card-bg-hover: rgba(24,32,52,0.85);
  --card-border: rgba(100,140,200,0.1);
  --card-border-bottom: rgba(0,0,0,0.3);
  --card-inner-glow: inset 0 1px 0 rgba(100,140,200,0.08), inset 0 -1px 0 rgba(0,0,0,0.2);
  --border: rgba(100,140,200,0.06);
  --border-accent: rgba(133,146,158,0.22);
  --text: #e4e0d8;
  --text-2: #a8a098;
  --text-3: #605850;
  --accent: #85929e;
  --accent-2: #aeb6bf;
  --accent-rgb: 133,146,158;
  --gold-grad: linear-gradient(135deg, #aeb6bf 0%, #85929e 50%, #aeb6bf 100%);
  --gold-grad-subtle: linear-gradient(135deg, rgba(133,146,158,0.15), rgba(133,146,158,0.05));
  --nav-bg: rgba(8,12,22,0.72);
  --overlay: rgba(8,12,22,0.97);
  --shadow-card: 0 1px 2px rgba(0,0,0,0.2), 0 4px 12px rgba(0,0,0,0.15), 0 12px 28px rgba(0,0,0,0.15);
  --shadow-card-hover: 0 2px 4px rgba(0,0,0,0.25), 0 8px 20px rgba(0,0,0,0.2), 0 20px 48px rgba(0,0,0,0.2), 0 0 0 1px rgba(var(--accent-rgb),0.15);
  --shadow-card-deep: 0 4px 8px rgba(0,0,0,0.3), 0 12px 32px rgba(0,0,0,0.25), 0 24px 56px rgba(0,0,0,0.2);
  --shadow-elevated: 0 20px 60px rgba(0,0,0,0.4), 0 8px 24px rgba(0,0,0,0.2);
  --shadow-glow: 0 0 40px rgba(var(--accent-rgb),0.06), 0 0 80px rgba(var(--accent-rgb),0.03);
  --shadow-inset: inset 0 2px 4px rgba(0,0,0,0.15);
  --spring: #8fa87c; --summer: #6b9ba1; --autumn: #c4875f; --winter: #8a9aab;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="day"]) {
    --bg: #080c16; --bg-alt: #0c1220;
    --surface: rgba(18,24,38,0.82); --surface-solid: #121828;
    --card-bg: rgba(18,25,42,0.65); --card-bg-hover: rgba(24,32,52,0.85);
    --card-border: rgba(100,140,200,0.1); --card-border-bottom: rgba(0,0,0,0.3);
    --card-inner-glow: inset 0 1px 0 rgba(100,140,200,0.08), inset 0 -1px 0 rgba(0,0,0,0.2);
    --border: rgba(100,140,200,0.06); --border-accent: rgba(133,146,158,0.22);
    --text: #e4e0d8; --text-2: #a8a098; --text-3: #605850;
    --accent: #85929e; --accent-2: #aeb6bf; --accent-rgb: 133,146,158;
    --gold-grad: linear-gradient(135deg, #aeb6bf 0%, #85929e 50%, #aeb6bf 100%);
    --gold-grad-subtle: linear-gradient(135deg, rgba(133,146,158,0.15), rgba(133,146,158,0.05));
    --nav-bg: rgba(8,12,22,0.72); --overlay: rgba(8,12,22,0.97);
    --shadow-card: 0 1px 2px rgba(0,0,0,0.2), 0 4px 12px rgba(0,0,0,0.15), 0 12px 28px rgba(0,0,0,0.15);
    --shadow-card-hover: 0 2px 4px rgba(0,0,0,0.25), 0 8px 20px rgba(0,0,0,0.2), 0 20px 48px rgba(0,0,0,0.2), 0 0 0 1px rgba(var(--accent-rgb),0.15);
    --shadow-card-deep: 0 4px 8px rgba(0,0,0,0.3), 0 12px 32px rgba(0,0,0,0.25), 0 24px 56px rgba(0,0,0,0.2);
    --shadow-elevated: 0 20px 60px rgba(0,0,0,0.4), 0 8px 24px rgba(0,0,0,0.2);
    --shadow-glow: 0 0 40px rgba(var(--accent-rgb),0.06), 0 0 80px rgba(var(--accent-rgb),0.03);
    --shadow-inset: inset 0 2px 4px rgba(0,0,0,0.15);
    --spring: #8fa87c; --summer: #6b9ba1; --autumn: #c4875f; --winter: #8a9aab;
  }
}

html { scroll-behavior: smooth; font-size: 17px; letter-spacing: 0.03em; }

body {
  font-family: var(--font-serif);
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background 0.6s var(--ease), color 0.6s var(--ease);
}

/* Noise overlay for texture */
body::after {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 9999; opacity: 0.5;
}

/* === SPLASH SCREEN === */
.splash {
  position: fixed; inset: 0; z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  background: #080c16;
  transition: opacity 0.8s var(--ease), visibility 0.8s;
}
.splash.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.splash-inner { text-align: center; }
.splash-logo { display: flex; flex-direction: column; align-items: center; gap: 0.15rem; }
.splash-text-main {
  font-family: var(--font-sans); font-size: 1.2rem; font-weight: 600;
  letter-spacing: 0.5em; color: #e8e4dc;
  opacity: 0; animation: splashFadeIn 1s var(--ease) 0.3s forwards;
}
.splash-text-sub {
  font-family: var(--font-sans); font-size: 0.5rem; font-weight: 300;
  letter-spacing: 0.7em; color: rgba(196,168,124,0.6);
  opacity: 0; animation: splashFadeIn 1s var(--ease) 0.6s forwards;
}
.splash-line {
  width: 40px; height: 1px; margin: 1.5rem auto;
  background: linear-gradient(90deg, transparent, rgba(196,168,124,0.5), transparent);
  opacity: 0; animation: splashFadeIn 0.8s var(--ease) 0.9s forwards;
}
.splash-tagline {
  font-family: var(--font-serif); font-size: 0.85rem; font-weight: 200;
  letter-spacing: 0.2em; color: rgba(228,224,216,0.5);
  opacity: 0; animation: splashFadeIn 1s var(--ease) 1.2s forwards;
}
@keyframes splashFadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* === HERO VIDEO === */
.hero-video { padding: 0; }
.hero-video .hero-content { color: #fff; }
.hero-video .hero-tag { color: rgba(196,168,124,0.9); border-color: rgba(196,168,124,0.3); background: rgba(8,12,22,0.5); }
.hero-video .hero-subtitle { color: rgba(255,255,255,0.55); }
.hero-video .hero-scroll span { color: rgba(255,255,255,0.4); }
.hero-video .scroll-line { background: linear-gradient(180deg, rgba(196,168,124,0.6), transparent); }
.hero-vid {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg,
    rgba(8,12,22,0.5) 0%,
    rgba(8,12,22,0.3) 40%,
    rgba(8,12,22,0.6) 80%,
    rgba(8,12,22,0.85) 100%
  );
}
.hero-video::before { display: none; }

a { color: inherit; text-decoration: none; }
em { font-style: normal; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }

/* === NAV === */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 0.7rem 0; transition: all 0.5s var(--ease); }
.nav.scrolled { background: var(--nav-bg); backdrop-filter: blur(28px) saturate(1.8); -webkit-backdrop-filter: blur(28px) saturate(1.8); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-xs); }
.nav-inner { max-width: 1100px; margin: 0 auto; padding: 0 2rem; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; flex-direction: column; line-height: 1.15; transition: opacity 0.3s; }
.nav-logo:hover { opacity: 0.7; }
.logo-text { font-family: var(--font-sans); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.35em; }
.logo-sub { font-family: var(--font-sans); font-size: 0.48rem; font-weight: 300; letter-spacing: 0.55em; color: var(--text-3); }
.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a { font-family: var(--font-sans); font-size: 0.7rem; letter-spacing: 0.06em; color: var(--text-2); transition: color 0.3s; }
.nav-links a:hover { color: var(--accent); }
.nav-cta { background: var(--gold-grad) !important; color: #fff !important; padding: 0.45rem 1.3rem; border-radius: var(--radius-xs); font-weight: 500; box-shadow: 0 2px 8px rgba(var(--accent-rgb),0.3), inset 0 1px 0 rgba(255,255,255,0.2); transition: all 0.3s var(--ease) !important; }
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(var(--accent-rgb),0.35), inset 0 1px 0 rgba(255,255,255,0.25); }

.theme-toggle { background: var(--card-bg); backdrop-filter: blur(12px); border: 1px solid var(--border); cursor: pointer; font-size: 0.82rem; padding: 0.3rem 0.55rem; border-radius: var(--radius-xs); color: var(--text-2); transition: all 0.3s; display: flex; align-items: center; gap: 0.25rem; box-shadow: var(--shadow-xs), var(--card-inner-glow); }
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle .icon-day, .theme-toggle .icon-night { font-size: 0.72rem; }
[data-theme="night"] .icon-day { display: inline; }
[data-theme="night"] .icon-night { display: none; }
:root:not([data-theme="night"]) .icon-day { display: none; }
:root:not([data-theme="night"]) .icon-night { display: inline; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; width: 26px; height: 18px; position: relative; z-index: 200; }
.nav-toggle span { display: block; width: 100%; height: 1px; background: var(--text); position: absolute; left: 0; transition: all 0.3s; }
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 50%; }
.nav-toggle span:nth-child(3) { bottom: 0; }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg); top: 50%; }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg); bottom: auto; top: 50%; }

.mobile-menu { display: none; position: fixed; inset: 0; background: var(--overlay); backdrop-filter: blur(30px); z-index: 90; flex-direction: column; align-items: center; justify-content: center; gap: 2rem; opacity: 0; pointer-events: none; transition: opacity 0.4s var(--ease); }
.mobile-menu.active { opacity: 1; pointer-events: all; }
.mobile-menu a { font-family: var(--font-serif); font-size: 1.3rem; color: var(--text-2); transition: color 0.3s; letter-spacing: 0.1em; }
.mobile-menu a:hover { color: var(--accent); }

/* === HERO === */
.hero { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; position: relative; overflow: hidden; padding: 8rem 2rem 6rem; }
.hero::before { content: ''; position: absolute; top: 50%; left: 50%; width: 500px; height: 500px; border-radius: 50%; background: radial-gradient(circle, rgba(var(--accent-rgb),0.1) 0%, transparent 70%); transform: translate(-50%, -50%); pointer-events: none; animation: glowPulse 6s ease-in-out infinite; }
@keyframes glowPulse { 0%,100% { opacity: 0.4; transform: translate(-50%,-50%) scale(1); } 50% { opacity: 0.8; transform: translate(-50%,-50%) scale(1.15); } }

.hero-bg-kanji { position: absolute; font-size: clamp(18rem,38vw,42rem); font-weight: 200; color: var(--accent-soft,rgba(var(--accent-rgb),0.05)); user-select: none; pointer-events: none; line-height: 1; opacity: 0; animation: kanjiFadeIn 2.5s var(--ease) 0.3s forwards; z-index: 0; }
@keyframes kanjiFadeIn { from { opacity: 0; transform: scale(0.92) translateY(20px); filter: blur(10px); } to { opacity: 1; transform: scale(1) translateY(0); filter: blur(0); } }
.hero-content { position: relative; z-index: 2; max-width: 720px; }
.hero-tag { font-family: var(--font-sans); font-size: 0.58rem; letter-spacing: 0.6em; color: var(--accent); margin-bottom: 2rem; opacity: 0; animation: fadeSlideUp 0.8s var(--ease) 0.8s forwards; display: inline-block; padding: 0.35rem 1.1rem; background: var(--card-bg); border: 1px solid var(--border-accent); border-radius: 100px; backdrop-filter: blur(8px); box-shadow: var(--shadow-xs), var(--card-inner-glow); }
.hero-title { font-weight: 200; line-height: 1.5; margin-bottom: 1rem; }
.hero-line { display: block; font-size: clamp(1.8rem,4.5vw,3.4rem); opacity: 0; }
.hero-line-1 { animation: fadeSlideUp 0.9s var(--ease) 1.1s forwards; }
.hero-line-2 { animation: fadeSlideUp 0.9s var(--ease) 1.4s forwards; }
.hero-subtitle { font-family: var(--font-sans); font-size: 0.8rem; letter-spacing: 0.12em; color: var(--text-3); margin-top: 2rem; opacity: 0; animation: fadeSlideUp 0.8s var(--ease) 1.8s forwards; }
.hero-cta-group { margin-top: 3rem; display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; opacity: 0; animation: fadeSlideUp 0.8s var(--ease) 2.2s forwards; }

.hero-scroll { position: absolute; bottom: 2rem; right: 2rem; display: flex; flex-direction: column; align-items: center; gap: 0.5rem; opacity: 0; animation: fadeSlideUp 0.8s var(--ease) 2.8s forwards; }
.hero-scroll span { font-family: var(--font-sans); font-size: 0.52rem; letter-spacing: 0.3em; color: var(--text-3); writing-mode: vertical-rl; }
.scroll-line { width: 1px; height: 50px; background: linear-gradient(180deg, var(--accent), transparent); animation: scrollPulse 2.5s ease-in-out infinite; }
@keyframes scrollPulse { 0%,100% { opacity: 0.3; transform: scaleY(0.6); } 50% { opacity: 1; transform: scaleY(1); } }
@keyframes fadeSlideUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }

/* === SECTIONS === */
.section { padding: 7rem 0; }
.section-alt { background: var(--bg-alt); }

.section-label {
  font-family: var(--font-sans); font-size: 0.56rem; letter-spacing: 0.5em;
  color: var(--accent); margin-bottom: 1.5rem; text-transform: uppercase;
  display: inline-block; padding: 0.25rem 0.7rem;
  background: var(--card-bg); border: 1px solid var(--border-accent); border-radius: 100px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-xs), var(--card-inner-glow);
}

.section-heading { font-weight: 200; font-size: clamp(1.4rem,3vw,2.2rem); line-height: 1.6; margin-bottom: 1rem; letter-spacing: 0.02em; }
.section-desc { font-size: 0.9rem; color: var(--text-2); max-width: 560px; line-height: 2.1; }

/* ============================================
   3D GLASS CARDS — Multi-layer shadow + glow
   ============================================ */
.glass-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.2rem; margin-top: 2.5rem; }

.glass-card {
  position: relative;
  background: var(--card-bg);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border: 1px solid var(--card-border);
  border-bottom-color: var(--card-border-bottom);
  border-radius: var(--radius);
  padding: 2.2rem 1.8rem;
  box-shadow: var(--shadow-card), var(--card-inner-glow);
  transition: all 0.5s var(--ease);
  overflow: hidden;
}

/* Top highlight edge — simulates light from above */
.glass-card::before {
  content: '';
  position: absolute; top: 0; left: 12px; right: 12px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb),0.2), transparent);
  opacity: 0.5;
  transition: opacity 0.5s;
}

/* Radial glow on hover */
.glass-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(600px circle at var(--mouse-x,50%) var(--mouse-y,50%), rgba(var(--accent-rgb),0.06), transparent 50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s;
  border-radius: var(--radius);
}

.glass-card:hover {
  background: var(--card-bg-hover);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-card-hover), var(--card-inner-glow);
  transform: translateY(-6px) scale(1.01);
}
.glass-card:hover::before { opacity: 1; }
.glass-card:hover::after { opacity: 1; }

.glass-card .card-icon {
  font-size: 1rem; margin-bottom: 1rem;
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--gold-grad-subtle);
  border: 1px solid var(--border-accent);
  box-shadow: var(--shadow-xs), var(--card-inner-glow);
  color: var(--accent);
  font-family: var(--font-sans); font-weight: 600;
}

.glass-card h3 { font-weight: 500; font-size: 1rem; margin-bottom: 0.4rem; }
.glass-card .card-sub { font-family: var(--font-sans); font-size: 0.65rem; letter-spacing: 0.15em; color: var(--accent); margin-bottom: 0.7rem; }
.glass-card p { font-size: 0.82rem; color: var(--text-2); line-height: 1.95; }

/* ============================================
   FEATURE CARD — Large with 3D depth
   ============================================ */
.feature-card {
  position: relative;
  background: var(--card-bg);
  backdrop-filter: blur(20px) saturate(1.6);
  border: 1px solid var(--card-border);
  border-bottom-color: var(--card-border-bottom);
  border-radius: var(--radius);
  padding: 3rem 2.5rem;
  display: grid; grid-template-columns: auto 1fr;
  gap: 2.5rem; align-items: start;
  box-shadow: var(--shadow-card-deep), var(--card-inner-glow);
  transition: all 0.5s var(--ease);
  margin-top: 1.8rem;
}

.feature-card::before {
  content: '';
  position: absolute; top: 0; left: 16px; right: 16px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb),0.15), transparent);
}

.feature-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-card-hover), var(--card-inner-glow), var(--shadow-glow);
  transform: translateY(-4px);
}

.feature-kanji { font-size: clamp(3.5rem,9vw,6.5rem); font-weight: 200; line-height: 1; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; writing-mode: vertical-rl; user-select: none; opacity: 0.35; transition: opacity 0.5s; }
.feature-card:hover .feature-kanji { opacity: 0.6; }
.feature-title { font-weight: 500; font-size: 1.1rem; margin-bottom: 0.6rem; }
.feature-romanji { font-family: var(--font-sans); font-size: 0.7rem; letter-spacing: 0.18em; color: var(--accent); }
.feature-dash { color: var(--accent); margin: 0 0.5rem; }
.feature-body { font-size: 0.88rem; color: var(--text-2); line-height: 2.2; margin-bottom: 1rem; }

.step-list { list-style: none; border-top: 1px solid var(--border); padding-top: 0.7rem; }
.step-list li { display: flex; align-items: baseline; gap: 0.8rem; padding: 0.45rem 0; font-size: 0.82rem; color: var(--text-2); }
.step-list li span { font-family: var(--font-sans); font-size: 0.55rem; letter-spacing: 0.18em; color: var(--accent); white-space: nowrap; padding: 0.15rem 0.5rem; background: var(--gold-grad-subtle); border: 1px solid var(--border-accent); border-radius: 4px; box-shadow: var(--shadow-xs); }

.day-grid { display: flex; gap: 1rem; margin-top: 1rem; border-top: 1px solid var(--border); padding-top: 1rem; }
.day-item { flex: 1; display: flex; flex-direction: column; gap: 0.35rem; }
.day-num { font-family: var(--font-sans); font-size: 0.58rem; letter-spacing: 0.18em; color: var(--accent); padding: 0.12rem 0.4rem; background: var(--gold-grad-subtle); border: 1px solid var(--border-accent); border-radius: 4px; display: inline-block; width: fit-content; box-shadow: var(--shadow-xs); }
.day-text { font-size: 0.78rem; color: var(--text-2); line-height: 1.85; }

/* === THEME CARDS === */
.themes-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; margin-top: 2.5rem; }

.theme-card {
  background: var(--card-bg);
  backdrop-filter: blur(14px) saturate(1.6);
  border: 1px solid var(--card-border);
  border-bottom-color: var(--card-border-bottom);
  border-radius: var(--radius-sm);
  padding: 1.6rem 1.3rem;
  box-shadow: var(--shadow-card), var(--card-inner-glow);
  transition: all 0.4s var(--ease);
  position: relative; overflow: hidden;
}

.theme-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0; opacity: 0; transition: opacity 0.4s;
}
.theme-card[data-season="spring"]::after { background: linear-gradient(90deg, var(--spring), transparent); }
.theme-card[data-season="summer"]::after { background: linear-gradient(90deg, var(--summer), transparent); }
.theme-card[data-season="autumn"]::after { background: linear-gradient(90deg, var(--autumn), transparent); }
.theme-card[data-season="winter"]::after { background: linear-gradient(90deg, var(--winter), transparent); }
.theme-card:hover::after { opacity: 1; }
.theme-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover), var(--card-inner-glow); }

.theme-season { font-size: 0.6rem; letter-spacing: 0.22em; margin-bottom: 0.4rem; font-family: var(--font-sans); }
.theme-card[data-season="spring"] .theme-season { color: var(--spring); }
.theme-card[data-season="summer"] .theme-season { color: var(--summer); }
.theme-card[data-season="autumn"] .theme-season { color: var(--autumn); }
.theme-card[data-season="winter"] .theme-season { color: var(--winter); }
.theme-card h3 { font-weight: 500; font-size: 0.92rem; margin-bottom: 0.35rem; }
.theme-card p { font-size: 0.72rem; color: var(--text-3); line-height: 1.7; }

/* === MEMBERSHIP === */
.membership-box {
  max-width: 500px; margin: 0 auto; text-align: center;
  background: var(--card-bg); backdrop-filter: blur(20px) saturate(1.6);
  border: 1px solid var(--border-accent); border-radius: var(--radius);
  padding: 3.5rem 2.5rem; position: relative;
  box-shadow: var(--shadow-elevated), var(--shadow-glow), var(--card-inner-glow);
}
.membership-box::before { content: ''; position: absolute; top: -1px; left: 50%; transform: translateX(-50%); width: 80px; height: 2px; background: var(--gold-grad); border-radius: 2px; }
.membership-heading { font-weight: 200; font-size: 1.8rem; margin-bottom: 0.2rem; }
.membership-subtitle { font-family: var(--font-sans); font-size: 0.58rem; letter-spacing: 0.55em; color: var(--text-3); margin-bottom: 2.2rem; }
.membership-price { margin-bottom: 2.2rem; }
.price-amount { font-family: var(--font-sans); font-size: 2.2rem; font-weight: 300; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.price-period { font-size: 0.8rem; color: var(--text-3); }
.membership-benefits { list-style: none; text-align: left; }
.membership-benefits li { padding: 0.55rem 0; font-size: 0.82rem; color: var(--text-2); border-bottom: 1px solid var(--border); padding-left: 1.6rem; position: relative; }
.membership-benefits li::before { content: '✦'; position: absolute; left: 0; color: var(--accent); font-size: 0.6rem; top: 0.7rem; }

/* === PROGRAMS === */
.programs-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; margin-top: 2.5rem; }
.program-card {
  background: var(--card-bg); backdrop-filter: blur(14px) saturate(1.6);
  border: 1px solid var(--card-border); border-bottom-color: var(--card-border-bottom);
  border-radius: var(--radius-sm); padding: 1.8rem 1.3rem;
  box-shadow: var(--shadow-card), var(--card-inner-glow);
  transition: all 0.4s var(--ease); display: flex; flex-direction: column;
}
.program-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card-hover), var(--card-inner-glow); border-color: var(--border-accent); }
.program-card.featured { border-color: var(--border-accent); background: linear-gradient(180deg, var(--card-bg), rgba(var(--accent-rgb),0.06)); box-shadow: var(--shadow-card-deep), var(--card-inner-glow), var(--shadow-glow); }
.program-badge { font-family: var(--font-sans); font-size: 0.55rem; letter-spacing: 0.22em; color: var(--accent); margin-bottom: 0.8rem; padding: 0.15rem 0.5rem; background: var(--gold-grad-subtle); border: 1px solid var(--border-accent); border-radius: 4px; display: inline-block; width: fit-content; box-shadow: var(--shadow-xs); }
.program-card h3 { font-weight: 500; font-size: 0.95rem; margin-bottom: 0.4rem; }
.program-card p { font-size: 0.75rem; color: var(--text-2); line-height: 1.85; flex: 1; }
.program-price { margin-top: 1.3rem; font-family: var(--font-sans); font-size: 1.2rem; font-weight: 300; padding-top: 0.8rem; border-top: 1px solid var(--border); }
.program-price span { font-size: 0.65rem; color: var(--text-3); }

/* === BUTTONS === */
.btn {
  display: inline-block; font-family: var(--font-sans); font-size: 0.72rem;
  letter-spacing: 0.12em; color: var(--accent);
  border: 1px solid var(--border-accent); padding: 0.85rem 2.2rem;
  border-radius: var(--radius-xs); cursor: pointer;
  background: var(--card-bg); backdrop-filter: blur(8px);
  box-shadow: var(--shadow-xs), var(--card-inner-glow);
  transition: all 0.4s var(--ease);
}
.btn:hover { background: var(--card-bg-hover); border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-card-hover); }

.btn-primary {
  background: var(--gold-grad); color: #fff; border: none;
  font-family: var(--font-sans); font-size: 0.72rem; letter-spacing: 0.12em;
  padding: 0.85rem 2.2rem; border-radius: var(--radius-xs); cursor: pointer;
  display: inline-block;
  box-shadow: 0 2px 8px rgba(var(--accent-rgb),0.3), inset 0 1px 0 rgba(255,255,255,0.2), 0 0 0 0 rgba(var(--accent-rgb),0);
  transition: all 0.4s var(--ease);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(var(--accent-rgb),0.35), inset 0 1px 0 rgba(255,255,255,0.25), 0 0 40px rgba(var(--accent-rgb),0.1); }

/* === CONTACT & FORMS === */
.contact { min-height: 60vh; display: flex; align-items: center; }
.contact-inner { text-align: center; max-width: 560px; margin: 0 auto; }
.contact-heading { font-weight: 200; font-size: clamp(1.4rem,3vw,2.2rem); line-height: 1.7; margin-bottom: 1.5rem; }
.contact-text { font-size: 0.9rem; color: var(--text-2); line-height: 2.1; margin-bottom: 2.5rem; }
.contact-form { max-width: 500px; margin: 0 auto; }

.form-group { margin-bottom: 1.3rem; text-align: left; }
.form-label { display: block; font-family: var(--font-sans); font-size: 0.6rem; letter-spacing: 0.18em; color: var(--text-3); margin-bottom: 0.4rem; text-transform: uppercase; }
.form-input {
  width: 100%; background: var(--surface); border: 1px solid var(--border);
  padding: 0.8rem 1rem; font-family: var(--font-sans); font-size: 0.85rem;
  color: var(--text); outline: none; border-radius: var(--radius-xs);
  box-shadow: var(--shadow-inset), var(--card-inner-glow);
  transition: all 0.3s var(--ease);
}
.form-input:focus { border-color: var(--accent); box-shadow: var(--shadow-inset), 0 0 0 3px rgba(var(--accent-rgb),0.1); }
.form-input::placeholder { color: var(--text-3); }
.form-select { width: 100%; background: var(--surface); border: 1px solid var(--border); padding: 0.8rem 1rem; font-family: var(--font-sans); font-size: 0.85rem; color: var(--text); outline: none; border-radius: var(--radius-xs); -webkit-appearance: none; cursor: pointer; box-shadow: var(--shadow-inset), var(--card-inner-glow); transition: all 0.3s; }
.form-select:focus { border-color: var(--accent); }
.form-textarea { width: 100%; background: var(--surface); border: 1px solid var(--border); padding: 0.8rem 1rem; font-family: var(--font-serif); font-size: 0.85rem; color: var(--text); outline: none; resize: vertical; min-height: 120px; border-radius: var(--radius-xs); line-height: 1.8; box-shadow: var(--shadow-inset), var(--card-inner-glow); transition: all 0.3s; }
.form-textarea:focus { border-color: var(--accent); box-shadow: var(--shadow-inset), 0 0 0 3px rgba(var(--accent-rgb),0.1); }
.form-divider { display: flex; align-items: center; gap: 1rem; margin: 1.8rem 0; color: var(--text-3); font-family: var(--font-sans); font-size: 0.6rem; letter-spacing: 0.18em; }
.form-divider::before, .form-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.login-error { font-family: var(--font-sans); font-size: 0.7rem; color: #c0392b; margin-bottom: 0.6rem; display: none; }
.login-error.visible { display: block; }

/* === LOGIN === */
.login-section { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 4rem 2rem; }
.login-box {
  max-width: 440px; width: 100%; text-align: center;
  background: var(--card-bg); backdrop-filter: blur(24px) saturate(1.8);
  border: 1px solid var(--card-border); border-bottom-color: var(--card-border-bottom);
  border-radius: var(--radius); padding: 3rem 2.2rem;
  box-shadow: var(--shadow-elevated), var(--shadow-glow), var(--card-inner-glow);
  position: relative;
}
.login-box::before { content: ''; position: absolute; top: 0; left: 16px; right: 16px; height: 1px; background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb),0.2), transparent); }
.login-title { font-weight: 200; font-size: 1.5rem; margin-bottom: 0.3rem; }
.login-subtitle { font-family: var(--font-sans); font-size: 0.58rem; letter-spacing: 0.5em; color: var(--text-3); margin-bottom: 2.5rem; }

/* Tab interface for login */
.auth-tabs { display: flex; gap: 0; margin-bottom: 2rem; border-radius: var(--radius-xs); overflow: hidden; border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow-inset); }
.auth-tab { flex: 1; padding: 0.7rem 0.5rem; font-family: var(--font-sans); font-size: 0.68rem; letter-spacing: 0.1em; color: var(--text-3); background: transparent; border: none; cursor: pointer; transition: all 0.3s var(--ease); position: relative; }
.auth-tab.active { color: var(--accent); background: var(--card-bg); box-shadow: var(--shadow-xs), var(--card-inner-glow); }
.auth-tab.active::after { content: ''; position: absolute; bottom: 0; left: 20%; right: 20%; height: 2px; background: var(--gold-grad); border-radius: 2px; }
.auth-panel { display: none; }
.auth-panel.active { display: block; }

/* === MY PAGE === */
.mypage-header { padding: calc(6rem + 60px) 0 2rem; border-bottom: 1px solid var(--border); margin-bottom: 2.5rem; }
.mypage-greeting { font-weight: 200; font-size: clamp(1.2rem,2.5vw,1.8rem); margin-bottom: 0.4rem; }
.mypage-role { font-family: var(--font-sans); font-size: 0.65rem; letter-spacing: 0.3em; color: var(--accent); padding: 0.2rem 0.7rem; background: var(--gold-grad-subtle); border: 1px solid var(--border-accent); border-radius: 100px; display: inline-block; box-shadow: var(--shadow-xs); }

.dashboard-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.2rem; margin-bottom: 3.5rem; }
.dash-card { background: var(--card-bg); backdrop-filter: blur(14px); border: 1px solid var(--card-border); border-bottom-color: var(--card-border-bottom); border-radius: var(--radius-sm); padding: 1.8rem 1.3rem; box-shadow: var(--shadow-card), var(--card-inner-glow); transition: all 0.4s var(--ease); }
.dash-card:hover { box-shadow: var(--shadow-card-hover), var(--card-inner-glow); transform: translateY(-3px); }
.dash-card-label { font-family: var(--font-sans); font-size: 0.55rem; letter-spacing: 0.28em; color: var(--text-3); margin-bottom: 0.8rem; text-transform: uppercase; }
.dash-card-value { font-family: var(--font-sans); font-size: 1.8rem; font-weight: 300; background: var(--gold-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 0.2rem; }
.dash-card-desc { font-size: 0.72rem; color: var(--text-2); line-height: 1.7; }

.upcoming-events { margin-bottom: 3.5rem; }
.event-list { list-style: none; border-top: 1px solid var(--border); }
.event-item { display: flex; align-items: center; gap: 1.3rem; padding: 1.3rem 1rem; border-bottom: 1px solid var(--border); border-radius: var(--radius-xs); transition: all 0.3s var(--ease); }
.event-item:hover { background: rgba(var(--accent-rgb),0.04); box-shadow: var(--shadow-xs); }
.event-date { min-width: 55px; text-align: center; }
.event-date-month { font-family: var(--font-sans); font-size: 0.55rem; letter-spacing: 0.18em; color: var(--accent); display: block; }
.event-date-day { font-family: var(--font-sans); font-size: 1.6rem; font-weight: 300; display: block; line-height: 1.2; }
.event-info h4 { font-weight: 500; font-size: 0.9rem; margin-bottom: 2px; }
.event-info p { font-size: 0.72rem; color: var(--text-2); }
.event-badge { font-family: var(--font-sans); font-size: 0.52rem; letter-spacing: 0.1em; padding: 0.25rem 0.7rem; background: var(--gold-grad-subtle); border: 1px solid var(--border-accent); border-radius: 100px; color: var(--accent); margin-left: auto; white-space: nowrap; box-shadow: var(--shadow-xs); }

/* === PHILOSOPHY === */
.philosophy { min-height: 80vh; display: flex; align-items: center; }
.philosophy-heading { font-weight: 200; font-size: clamp(1.5rem,3.5vw,2.6rem); line-height: 1.7; }
.philosophy-body { max-width: 650px; margin: 0 auto; position: relative; }
.philosophy-line { position: absolute; left: 0; top: 0; width: 2px; height: 100%; background: var(--gold-grad); border-radius: 2px; box-shadow: 0 0 12px rgba(var(--accent-rgb),0.2); }
.philosophy-text { font-size: 0.95rem; line-height: 2.2; color: var(--text-2); margin-bottom: 1.3rem; }

/* === FOOTER === */
.footer { border-top: 1px solid var(--border); padding: 2.5rem 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; }
.footer-brand { display: flex; flex-direction: column; line-height: 1.2; }
.footer-copy { font-family: var(--font-sans); font-size: 0.6rem; color: var(--text-3); }

/* === ANIMATIONS === */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.stagger-1 { transition-delay: 0.1s; } .stagger-2 { transition-delay: 0.2s; } .stagger-3 { transition-delay: 0.3s; }
.page-enter { animation: pageIn 0.5s var(--ease) forwards; }
@keyframes pageIn { from { opacity: 0; } to { opacity: 1; } }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .glass-grid { grid-template-columns: 1fr 1fr; }
  .themes-grid, .programs-grid { grid-template-columns: repeat(2,1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .feature-card { grid-template-columns: 1fr; gap: 1.5rem; }
  .feature-kanji { writing-mode: horizontal-tb; font-size: 3rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; } .nav-toggle { display: block; } .mobile-menu { display: flex; }
  .section { padding: 4.5rem 0; }
  .glass-grid { grid-template-columns: 1fr; }
  .themes-grid, .programs-grid { grid-template-columns: 1fr; }
  .philosophy-body { padding-left: 1.2rem; }
  .day-grid { flex-direction: column; }
  .footer-inner { flex-direction: column; text-align: center; gap: 1rem; }
  .membership-box { padding: 2.5rem 1.3rem; }
  .login-box { padding: 2rem 1.3rem; }
  .event-item { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .event-badge { margin-left: 0; }
  .hero-cta-group { flex-direction: column; align-items: center; }
}