/* ===== YUGEN 幽玄 — Japanese Spa | Static Styles ===== */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Manrope:wght@300;400;500;600&family=Noto+Serif+JP:wght@300;400;500&display=swap');

:root {
  --bg: #0A0908;
  --surface: #121110;
  --surface-2: #1a1815;
  --fg: #F2EBE5;
  --muted: #a89e93;
  --moss: #8a9e4e;
  --moss-deep: #4A5D23;
  --secondary: #E3D8C4;
  --accent: #8C7A6B;
  --border: #2C2825;
  --maxw: 1240px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Manrope', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--moss-deep); color: var(--fg); }
::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #3a352f; }

/* film grain */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 9998; pointer-events: none; opacity: .045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.serif { font-family: 'Cormorant Garamond', serif; }
.jp { font-family: 'Noto Serif JP', serif; }
.moss { color: var(--moss); }
.muted { color: var(--muted); }
.center { text-align: center; }

/* ===== overline / eyebrow ===== */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: .72rem; letter-spacing: .34em; text-transform: uppercase;
  color: var(--accent); font-weight: 500;
}
.eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--accent); }

/* ===== headings ===== */
h1,h2,h3 { font-family: 'Cormorant Garamond', serif; font-weight: 300; line-height: 1.02; letter-spacing: -.01em; }
.h-xl { font-size: clamp(3rem, 9vw, 7.5rem); }
.h-lg { font-size: clamp(2.4rem, 6vw, 4.6rem); }
.h-md { font-size: clamp(1.8rem, 3.5vw, 3rem); }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.3rem); color: var(--secondary); font-weight: 300; max-width: 60ch; }

/* ===== buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 12px; cursor: pointer;
  padding: 15px 30px; border: 1px solid var(--fg); border-radius: 2px;
  font-size: .78rem; letter-spacing: .22em; text-transform: uppercase; font-weight: 500;
  background: transparent; color: var(--fg);
  transition: background-color .5s cubic-bezier(.16,1,.3,1), color .5s cubic-bezier(.16,1,.3,1);
}
.btn:hover { background: var(--fg); color: var(--bg); }
.btn.solid { background: var(--fg); color: var(--bg); }
.btn.solid:hover { background: var(--moss-deep); border-color: var(--moss-deep); color: var(--fg); }
.btn.ghost { border-color: var(--border); color: var(--secondary); }
.btn.ghost:hover { border-color: var(--fg); background: transparent; color: var(--fg); }

/* ===== header ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  transition: background-color .4s ease, border-color .4s ease, backdrop-filter .4s ease;
  border-bottom: 1px solid transparent;
}
.header.scrolled { background: rgba(10,9,8,.82); backdrop-filter: blur(18px); border-bottom-color: rgba(242,235,229,.09); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand .mark { font-family: 'Cormorant Garamond', serif; font-size: 1.6rem; letter-spacing: .18em; }
.brand .jpm { font-family: 'Noto Serif JP', serif; font-size: .95rem; color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 38px; list-style: none; }
.nav-links a { font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--secondary); position: relative; padding: 6px 0; }
.nav-links a::after { content:""; position:absolute; left:0; bottom:0; height:1px; width:0; background: var(--fg); transition: width .45s cubic-bezier(.16,1,.3,1); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--fg); }
.burger { display: none; background: none; border: none; color: var(--fg); cursor: pointer; flex-direction: column; gap: 6px; width: 30px; }
.burger span { display:block; height: 1.5px; background: var(--fg); transition: transform .4s ease, opacity .3s ease; }
.burger.open span:nth-child(1){ transform: translateY(7.5px) rotate(45deg); }
.burger.open span:nth-child(2){ opacity: 0; }
.burger.open span:nth-child(3){ transform: translateY(-7.5px) rotate(-45deg); }

/* mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 999; background: var(--bg);
  display: flex; flex-direction: column; justify-content: center; padding: 0 32px;
  transform: translateY(-100%); transition: transform .6s cubic-bezier(.76,0,.24,1); visibility: hidden;
}
.mobile-menu.open { transform: translateY(0); visibility: visible; }
.mobile-menu a { font-family: 'Cormorant Garamond', serif; font-size: 2.4rem; padding: 14px 0; border-bottom: 1px solid var(--border); }
.mobile-menu a .idx { font-family: 'Manrope', sans-serif; font-size: .7rem; color: var(--accent); vertical-align: super; margin-right: 14px; letter-spacing: .1em; }

/* ===== hero ===== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: flex-end; overflow: hidden; }
.hero-bg { position: absolute; inset: -8% 0; z-index: -2; }
.hero-bg img { width: 100%; height: 116%; object-fit: cover; }
.hero::before { content:""; position:absolute; inset:0; z-index:-1; background: linear-gradient(180deg, rgba(10,9,8,.55) 0%, rgba(10,9,8,.35) 40%, rgba(10,9,8,.92) 100%); }
.hero-inner { padding-bottom: 8vh; padding-top: 120px; width: 100%; }
.hero h1 { color: var(--fg); }
.hero .jp-title { font-family: 'Noto Serif JP', serif; font-size: clamp(1rem,2vw,1.4rem); color: var(--secondary); letter-spacing: .3em; margin-bottom: 20px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 40px; margin-top: 40px; align-items: center; }
.scroll-cue { position: absolute; bottom: 34px; right: 28px; display: flex; align-items: center; gap: 12px; font-size: .68rem; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }
.scroll-cue .line { width: 1px; height: 46px; background: var(--muted); position: relative; overflow: hidden; }
.scroll-cue .line::after { content:""; position:absolute; top:-100%; left:0; width:100%; height:100%; background: var(--fg); animation: scrolldn 2.4s ease-in-out infinite; }
@keyframes scrolldn { 0%{ top:-100% } 60%,100%{ top:100% } }

/* ===== sections ===== */
section { padding: clamp(80px, 12vh, 160px) 0; }
.sec-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 30px; margin-bottom: 70px; }
.sec-head .lead { margin-top: 20px; }

/* split intro */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.split .frame { overflow: hidden; }
.split .frame img { width: 100%; height: 640px; object-fit: cover; transition: transform 1.2s cubic-bezier(.16,1,.3,1); filter: grayscale(.15); }
.split .frame:hover img { transform: scale(1.06); }
.stat-row { display: flex; gap: 50px; margin-top: 46px; flex-wrap: wrap; }
.stat .n { font-family:'Cormorant Garamond',serif; font-size: 2.8rem; line-height:1; }
.stat .l { font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-top: 8px; }

/* ===== services grid ===== */
.svc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; background: var(--border); border: 1px solid var(--border); }
.svc { position: relative; background: var(--bg); padding: 46px 40px; min-height: 340px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; transition: background-color .5s ease; }
.svc:hover { background: var(--surface); }
.svc .idx { font-size: .72rem; letter-spacing: .2em; color: var(--accent); }
.svc h3 { font-size: 2rem; margin: 18px 0 14px; }
.svc .jp-s { font-family:'Noto Serif JP',serif; color: var(--muted); font-size:.9rem; letter-spacing:.16em; }
.svc p { color: var(--muted); font-size: .96rem; margin-top: 16px; max-width: 42ch; }
.svc .thumb { position:absolute; inset:0; z-index:0; opacity:0; transition: opacity .6s ease; }
.svc .thumb img { width:100%; height:100%; object-fit: cover; }
.svc .thumb::after { content:""; position:absolute; inset:0; background: rgba(10,9,8,.72); }
.svc:hover .thumb { opacity: 1; }
.svc > * { position: relative; z-index: 1; }
.svc .tag { align-self: flex-start; font-size:.66rem; letter-spacing:.2em; text-transform:uppercase; color: var(--secondary); border:1px solid var(--border); padding:5px 12px; border-radius:2px; }

/* alternating feature rows (services page) */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; padding: 60px 0; border-top: 1px solid var(--border); }
.feature:nth-child(even) .feature-img { order: 2; }
.feature-img { overflow: hidden; }
.feature-img img { width: 100%; height: 520px; object-fit: cover; transition: transform 1.2s cubic-bezier(.16,1,.3,1); }
.feature-img:hover img { transform: scale(1.05); }
.feature .num { font-family:'Cormorant Garamond',serif; font-size: 1rem; color: var(--accent); letter-spacing:.2em; }
.feature h3 { font-size: clamp(2rem,3.5vw,3rem); margin: 14px 0; }
.feature ul { list-style: none; margin-top: 24px; }
.feature ul li { padding: 12px 0; border-bottom: 1px solid var(--border); display:flex; justify-content: space-between; gap: 16px; font-size:.95rem; color: var(--secondary); }
.feature ul li span { color: var(--muted); }
.audience { display:inline-flex; gap:8px; margin-top:20px; }
.audience b { font-weight:500; font-size:.7rem; letter-spacing:.18em; text-transform:uppercase; border:1px solid var(--border); padding:5px 12px; color: var(--moss); border-radius:2px; }

/* marquee */
.marquee { border-top:1px solid var(--border); border-bottom:1px solid var(--border); padding: 34px 0; overflow: hidden; white-space: nowrap; background: var(--surface); }
.marquee .track { display:inline-flex; gap: 70px; animation: slide 32s linear infinite; }
.marquee span { font-family:'Cormorant Garamond',serif; font-size: 2.2rem; font-style: italic; color: var(--secondary); }
.marquee span .dot { color: var(--moss); font-style: normal; margin: 0 6px; }
@keyframes slide { from{ transform: translateX(0) } to{ transform: translateX(-50%) } }

/* pricing */
.price-menu { border-top: 1px solid var(--border); }
.price-cat { padding: 46px 0; border-bottom: 1px solid var(--border); display:grid; grid-template-columns: 280px 1fr; gap: 50px; }
.price-cat .cat-title h3 { font-size: 2rem; }
.price-cat .cat-title .jp-s { font-family:'Noto Serif JP',serif; color:var(--accent); font-size:.85rem; letter-spacing:.14em; }
.price-list { display:flex; flex-direction: column; }
.price-item { display:flex; justify-content: space-between; align-items: baseline; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--border); }
.price-item:last-child { border-bottom: none; }
.price-item .pi-name { font-size: 1.15rem; color: var(--fg); }
.price-item .pi-name small { display:block; color: var(--muted); font-size:.85rem; margin-top:4px; }
.price-item .dots { flex:1; border-bottom: 1px dotted var(--border); transform: translateY(-4px); }
.price-item .pi-price { font-family:'Cormorant Garamond',serif; font-size: 1.5rem; color: var(--moss); white-space: nowrap; }
.price-item .pi-price small { color: var(--muted); font-size:.7rem; font-family:'Manrope'; }
.note { color: var(--muted); font-size:.85rem; margin-top: 30px; }

/* gallery */
.gallery { columns: 3; column-gap: 2px; }
.gallery .g-item { break-inside: avoid; margin-bottom: 2px; overflow: hidden; position: relative; }
.gallery img { width: 100%; object-fit: cover; filter: grayscale(.25) brightness(.9); transition: filter .7s ease, transform 1.4s cubic-bezier(.16,1,.3,1); }
.gallery .g-item:hover img { filter: grayscale(0) brightness(1); transform: scale(1.05); }
.gallery .g-cap { position:absolute; left:16px; bottom:16px; font-size:.7rem; letter-spacing:.18em; text-transform:uppercase; color:#fff; opacity:0; transform: translateY(8px); transition: opacity .5s ease, transform .5s ease; text-shadow: 0 1px 8px rgba(0,0,0,.6); }
.gallery .g-item:hover .g-cap { opacity: 1; transform: translateY(0); }

/* about chapters */
.chapter { display:grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; padding: 70px 0; border-top: 1px solid var(--border); }
.chapter:nth-child(even) .chapter-img { order: -1; }
.chapter-img { overflow: hidden; }
.chapter-img img { width:100%; height: 560px; object-fit: cover; transition: transform 1.2s cubic-bezier(.16,1,.3,1); }
.chapter-img:hover img { transform: scale(1.05); }
.chapter .cn { font-family:'Cormorant Garamond',serif; font-size: 4.5rem; color: var(--border); line-height:.8; }
.chapter h3 { font-size: clamp(2rem,3.5vw,2.8rem); margin: 10px 0 18px; }
.chapter p { color: var(--muted); }

/* contact */
.contact-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.info-block { padding: 26px 0; border-bottom: 1px solid var(--border); }
.info-block .k { font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color: var(--accent); margin-bottom: 8px; }
.info-block .v { font-size: 1.1rem; color: var(--secondary); }
.info-block .v a:hover { color: var(--moss); }
.form { display:flex; flex-direction: column; gap: 22px; }
.field label { display:block; font-size:.72rem; letter-spacing:.18em; text-transform:uppercase; color: var(--muted); margin-bottom: 10px; }
.field input, .field textarea, .field select {
  width:100%; background: var(--surface); border: 1px solid var(--border); color: var(--fg);
  padding: 15px 16px; border-radius: 2px; font-family:'Manrope'; font-size: .95rem; transition: border-color .3s ease;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--moss); }
.field .err { color: #d98b7a; font-size:.78rem; margin-top: 6px; display:none; }
.field.invalid .err { display:block; }
.field.invalid input, .field.invalid textarea { border-color: #d98b7a; }
.form-msg { padding: 16px; border:1px solid var(--moss-deep); background: rgba(74,93,35,.14); color: var(--secondary); font-size:.9rem; border-radius:2px; display:none; }
.form-msg.show { display:block; }
.map-embed { border:1px solid var(--border); width:100%; height: 320px; filter: grayscale(1) invert(.92) contrast(.85); margin-top: 40px; }

/* page hero (sub pages) */
.page-hero { padding: 180px 0 70px; border-bottom: 1px solid var(--border); position: relative; }
.page-hero .eyebrow { margin-bottom: 22px; }
.page-hero h1 { max-width: 16ch; }
.page-hero .jp-h { font-family:'Noto Serif JP',serif; color: var(--accent); font-size: 1.1rem; letter-spacing:.2em; margin-top: 22px; }

/* legal */
.legal { max-width: 820px; }
.legal h2 { font-size: 1.6rem; margin: 44px 0 14px; }
.legal p, .legal li { color: var(--muted); margin-bottom: 14px; font-size: .98rem; }
.legal ul { padding-left: 22px; }
.legal .updated { color: var(--accent); font-size:.8rem; letter-spacing:.14em; text-transform:uppercase; }

/* CTA band */
.cta-band { text-align:center; background: var(--surface); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.cta-band .jp-s { font-family:'Noto Serif JP',serif; color: var(--accent); letter-spacing:.24em; }
.cta-band h2 { margin: 18px 0 30px; }

/* footer */
.footer { padding: 90px 0 40px; border-top: 1px solid var(--border); background: var(--bg); }
.footer-top { display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 60px; border-bottom: 1px solid var(--border); }
.footer h4 { font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color: var(--accent); margin-bottom: 20px; font-family:'Manrope'; font-weight:500; }
.footer ul { list-style:none; display:flex; flex-direction: column; gap: 12px; }
.footer ul a { color: var(--muted); font-size:.92rem; }
.footer ul a:hover { color: var(--fg); }
.footer .f-brand .mark { font-family:'Cormorant Garamond',serif; font-size: 2rem; letter-spacing:.14em; }
.footer .f-brand p { color: var(--muted); margin-top: 16px; max-width: 34ch; font-size:.92rem; }
.footer-bottom { display:flex; flex-wrap:wrap; justify-content: space-between; gap: 16px; padding-top: 30px; color: var(--muted); font-size:.8rem; }
.footer-bottom .legal-links { display:flex; gap: 24px; flex-wrap:wrap; }
.footer-bottom .legal-links a:hover { color: var(--fg); }

/* cookie consent */
.cookie {
  position: fixed; left: 24px; bottom: 24px; z-index: 1200; max-width: 400px;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 4px; padding: 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5); transform: translateY(140%); transition: transform .6s cubic-bezier(.16,1,.3,1);
}
.cookie.show { transform: translateY(0); }
.cookie h5 { font-family:'Cormorant Garamond',serif; font-size: 1.4rem; margin-bottom: 8px; }
.cookie p { font-size:.85rem; color: var(--muted); margin-bottom: 16px; }
.cookie p a { color: var(--moss); text-decoration: underline; }
.cookie .ck-actions { display:flex; gap: 10px; }
.cookie .btn { padding: 11px 20px; font-size:.68rem; }

/* reveal animation */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 1s cubic-bezier(.16,1,.3,1), transform 1s cubic-bezier(.16,1,.3,1); }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay:.1s } .reveal.d2 { transition-delay:.2s } .reveal.d3 { transition-delay:.3s } .reveal.d4 { transition-delay:.4s }

/* hero on-load lines */
.line-mask { overflow: hidden; }
.line-mask > span { display:block; transform: translateY(105%); transition: transform 1.1s cubic-bezier(.16,1,.3,1); }
.loaded .line-mask > span { transform: translateY(0); }
.loaded .line-mask:nth-child(2) > span { transition-delay: .12s; }
.loaded .line-mask:nth-child(3) > span { transition-delay: .24s; }
.hero .fade-up { opacity:0; transform: translateY(20px); transition: opacity 1s ease .6s, transform 1s ease .6s; }
.loaded .hero .fade-up { opacity: 1; transform: translateY(0); }

/* responsive */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .burger { display: flex; }
  .split, .contact-grid, .feature, .chapter, .price-cat { grid-template-columns: 1fr; gap: 40px; }
  .feature:nth-child(even) .feature-img, .chapter:nth-child(even) .chapter-img { order: 0; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .gallery { columns: 2; }
  .split .frame img, .feature-img img, .chapter-img img { height: 400px; }
}
@media (max-width: 620px) {
  .wrap { padding: 0 20px; }
  .svc-grid { grid-template-columns: 1fr; }
  .gallery { columns: 1; }
  .footer-top { grid-template-columns: 1fr; }
  .stat-row { gap: 30px; }
  .cookie { left: 12px; right: 12px; bottom: 12px; max-width: none; }
  .price-item { flex-wrap: wrap; }
  .price-item .dots { display: none; }
}