:root{
  --bg:#111113;--ivory:#f2f2f3;--ink:#1d1e20;--ink-soft:#3d3e41;
  --paper:#e7e7e9;--muted:#9b9ca0;--muted-d:#6c6d71;
  --line-d:rgba(242,242,243,.16);--line-l:rgba(29,30,32,.14);
  --se:'Cormorant Garamond',Georgia,'Times New Roman',serif;
  --sj:'Noto Serif JP',serif;--ss:'Noto Sans JP','Noto Sans Thai','Helvetica Neue',Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--ivory);color:var(--ink);font-family:var(--ss);font-weight:300;letter-spacing:.02em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

/* nav (solid, for sub-pages) */
.nav{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;justify-content:space-between;padding:18px 44px;color:var(--ivory);transition:.45s}
.nav.solid{background:rgba(17,17,19,.92);backdrop-filter:blur(10px)}
.nav .brand{font-family:var(--se);font-size:25px;letter-spacing:.2em}
.nav-links{display:flex;gap:28px;font-size:11px;letter-spacing:.22em;align-items:center}
.nav-links a{opacity:.85}.nav-links a:hover{opacity:1}
.nav .book{border:1px solid currentColor;border-radius:999px;padding:7px 18px;font-family:var(--se);font-size:12px;letter-spacing:.14em}
@media(max-width:820px){.nav{padding:14px 20px}.nav-links a:not(.book){display:none}}

#rail{position:fixed;right:24px;top:50%;transform:translateY(-50%);width:2px;height:110px;background:rgba(120,120,120,.25);z-index:40}
#railFill{position:absolute;top:0;left:0;width:100%;height:0;background:var(--ink)}
@media(max-width:820px){#rail{display:none}}

/* page hero band */
.phero{min-height:64vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--ivory);background:#15151a center/cover;position:relative;padding:120px 24px 80px}
.phero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.45),rgba(0,0,0,.6))}
.phero .in{position:relative;z-index:2}
.phero .eb{font-family:var(--se);font-size:12px;letter-spacing:.42em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.phero h1{font-family:var(--se);font-weight:300;font-size:clamp(46px,9vw,110px);line-height:.98;letter-spacing:.03em}
.phero .sub{font-family:var(--sj);font-size:clamp(13px,1.8vw,17px);letter-spacing:.26em;margin-top:18px;opacity:.9}

.panel{position:relative;padding:130px 6vw}
.panel.light{background:var(--ivory)}.panel.paper{background:var(--paper)}
.panel.dark{background:var(--bg);color:var(--ivory)}
.wrap{max-width:1080px;margin:0 auto}.narrow{max-width:760px}.ctr{text-align:center}
.kick{font-family:var(--se);font-size:13px;letter-spacing:.4em;text-transform:uppercase;color:var(--muted-d);margin-bottom:18px}
.dark .kick{color:var(--muted)}
.h2{font-family:var(--se);font-weight:300;font-size:clamp(34px,5.5vw,72px);line-height:1.05;letter-spacing:.02em}
.lead{font-size:clamp(15px,1.5vw,17px);line-height:2.05;color:var(--ink-soft);max-width:620px}
.dark .lead{color:rgba(242,242,243,.74)}
.center .lead,.ctr .lead{margin-left:auto;margin-right:auto}

.btn{display:inline-block;font-family:var(--se);letter-spacing:.22em;font-size:14px;border:1px solid var(--ink);border-radius:999px;padding:14px 40px;cursor:pointer;transition:.4s;background:transparent;color:var(--ink)}
.btn:hover{background:var(--ink);color:var(--ivory)}
.btn.inv{border-color:rgba(242,242,243,.7);color:var(--ivory)}.btn.inv:hover{background:var(--ivory);color:var(--ink)}

footer{background:var(--bg);color:var(--muted);text-align:center;padding:70px 24px 50px;border-top:1px solid var(--line-d)}
footer .fbrand{font-family:var(--se);font-size:30px;letter-spacing:.2em;color:var(--ivory);margin-bottom:18px}
footer .fnav{display:flex;gap:22px;justify-content:center;flex-wrap:wrap;font-size:11px;letter-spacing:.18em;margin-bottom:26px}
footer .cp{font-size:10px;letter-spacing:.2em;opacity:.6}

/* scroll-scrubbed 3D engine (shared) */
[data-fx]{opacity:0;will-change:transform,opacity;backface-visibility:hidden}
[data-fx="standup"]{transform-origin:bottom center}
[data-fx="hingeL"]{transform-origin:left center}
[data-fx="hingeR"]{transform-origin:right center}
[data-fx="unfold"]{transform-origin:top center}
.w{display:inline-block;transform-origin:50% 100%;backface-visibility:hidden}


/* service detail */
.svc-hero-img{aspect-ratio:16/8;background:#cfcfd2 center/cover;filter:grayscale(.15);margin-top:60px}
.svc-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:60px;perspective:1200px}
.metacard{background:var(--ivory);border:1px solid var(--line-l);padding:26px 24px;text-align:center}
.metacard .ml{font-family:var(--se);font-size:12px;letter-spacing:.24em;color:var(--muted-d);text-transform:uppercase;margin-bottom:10px}
.metacard .mv{font-family:var(--se);font-size:30px;font-weight:300}
.svc-points{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:70px}
.svc-points h3{font-family:var(--se);font-size:22px;font-weight:400;margin-bottom:10px}
.svc-points p{font-size:14px;color:var(--ink-soft);line-height:1.9}
.svc-nav{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:70px}
.chip{font-size:12px;letter-spacing:.1em;border:1px solid var(--line-l);border-radius:999px;padding:9px 18px;color:var(--muted-d)}
.chip.on{background:var(--ink);color:var(--ivory);border-color:var(--ink)}

/* gallery */
.masonry{columns:3;column-gap:12px;margin-top:54px}
.masonry .gcell{display:block;break-inside:avoid;margin-bottom:12px}
.masonry .cell{background:#cfcfd2;filter:grayscale(.28);width:100%;display:block;height:auto;transition:filter .5s}
.masonry .gcell:hover .cell{filter:grayscale(0)}
@media(max-width:820px){.masonry{columns:2}.svc-meta,.svc-points{grid-template-columns:1fr}}
@media(max-width:520px){.masonry{columns:1}}

/* booking / contact */
.opt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:54px;perspective:1200px}
.opt{background:var(--ivory);border:1px solid var(--line-l);padding:34px 26px;text-align:center;transition:.35s}
.opt:hover{border-color:var(--ink)}
.opt .oi{font-family:var(--se);font-size:24px;margin-bottom:12px}
.opt p{font-size:13px;color:var(--ink-soft);margin:10px 0 20px;line-height:1.8}
.form{max-width:560px;margin:54px auto 0;display:grid;gap:18px}
.form input,.form textarea{width:100%;background:var(--ivory);border:1px solid var(--line-l);border-radius:2px;padding:14px 16px;font-family:var(--ss);font-size:15px;color:var(--ink)}
.form textarea{min-height:140px;resize:vertical}
.form .btn{justify-self:center;border:1px solid var(--ink)}
.info-row{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line-l);font-size:14px}
.info-row .lbl{font-family:var(--se);font-size:12px;letter-spacing:.22em;color:var(--muted-d);min-width:100px;text-transform:uppercase;padding-top:3px}
.map{aspect-ratio:4/5;background:#f1efe8 url("map.jpg") center/contain no-repeat;border:1px solid var(--line-l);margin-top:46px}
.fab-book{position:fixed;right:18px;bottom:18px;z-index:90;background:var(--ink);color:var(--ivory);font-family:var(--se);letter-spacing:.16em;font-size:13px;padding:14px 28px;border-radius:999px;text-decoration:none;box-shadow:0 8px 26px rgba(0,0,0,.28);transition:transform .3s,opacity .3s}
.fab-book:hover{transform:translateY(-2px)}
@media(max-width:600px){.fab-book{right:14px;bottom:14px;padding:13px 24px;font-size:12px}}
@media(max-width:820px){.opt-grid{grid-template-columns:1fr}}


/* --- compact nav + fullscreen overlay menu --- */
.nav-main{display:flex;gap:30px;align-items:center}
.nav .nav-links{align-items:center}
.nav{z-index:9100}
.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;cursor:pointer;background:none;border:0;padding:6px;margin-left:16px;color:inherit;position:relative;z-index:9200}
.nav-toggle span{display:block;width:24px;height:1.5px;background:currentColor;transition:transform .4s ease,opacity .3s}
body.menu-open .nav-toggle span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
body.menu-open .nav-toggle span:nth-child(2){opacity:0}
body.menu-open .nav-toggle span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.nav-overlay{position:fixed;inset:0;z-index:9000;background:#e7e7e9;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;opacity:0;visibility:hidden;transition:opacity .55s ease,visibility .55s}
body.menu-open{overflow:hidden}
body.menu-open .nav-overlay{opacity:1!important;visibility:visible!important}
body.menu-open .nav-main{opacity:0;pointer-events:none;transition:opacity .3s}
body.menu-open .nav{color:#1d1e20}
body.menu-open .nav.solid{background:transparent}
body.menu-open .nav-toggle{color:#1d1e20}
.nav-overlay a{font-family:var(--se,serif);font-weight:300;font-size:clamp(22px,3.8vw,36px);line-height:1.6;letter-spacing:.04em;color:#1d1e20;text-decoration:none;opacity:0;transform:translateY(22px);transition:opacity .5s ease,transform .6s cubic-bezier(.2,.7,.2,1),color .3s}
.nav-overlay a:hover{color:var(--muted,#9b9ca0)}
body.menu-open .nav-overlay a{opacity:1!important;transform:none!important}
.nav-overlay .ov-lang{margin-top:34px;display:flex;gap:10px;align-items:center;opacity:0;transition:opacity .5s ease .45s}
body.menu-open .nav-overlay .ov-lang{opacity:1!important}
.nav-overlay .ov-lang a{font-family:var(--ss,sans-serif);font-size:13px;letter-spacing:.1em;color:#6c6d71;opacity:1;transform:none;font-weight:400}
@media(max-width:760px){.nav-main{display:none}}

/* --- mobile fine-tuning --- */
@media(max-width:760px){
  .panel{padding:84px 20px}
  .access-grid{grid-template-columns:1fr!important;gap:30px!important}
  .map{max-width:480px;margin-left:auto;margin-right:auto}
  .phero{min-height:58vh;padding:110px 20px 70px}
  .svc-meta{grid-template-columns:1fr;gap:14px}
  .opt-grid,.svc-points{grid-template-columns:1fr}
  .cat-h{flex-wrap:wrap;gap:6px}
  .item{grid-template-columns:1fr;gap:4px}
  .item .pr{text-align:left}
  .info-row{flex-direction:column;gap:4px}
  .info-row .lbl{min-width:0}
  footer .fnav{gap:14px 16px}
}
html{overflow-x:hidden}