/* y's creation — site styles */
:root{
  --bg:#050608;
  --ink:#f4f4f2;
  --text:#e9eaed;
  --muted:rgba(255,255,255,.75);
  --faint:rgba(255,255,255,.62);
  --line:rgba(255,255,255,.14);
  --accent:#c9b58e;
  --error:#f0a7a0;
  --gutter:clamp(16px,4vw,56px);
  --pad:clamp(16px,7vw,128px);
  --ease:cubic-bezier(.16,1,.3,1);
  --en:'Jost',sans-serif;
  --mc:'Shippori Mincho',serif;
  --jp:'Zen Kaku Gothic New',sans-serif;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--jp);font-weight:300;line-height:1.8;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit}
a:hover{color:#fff}
img{max-width:100%;height:auto}
:focus-visible{outline:1px solid #fff;outline-offset:4px}
.en{font-family:var(--en);font-weight:300}
.mc{font-family:var(--mc);font-weight:400}
[hidden]{display:none!important}
.nw{white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* background */
#stage{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0;pointer-events:none}
.vignette{position:fixed;inset:0;z-index:1;pointer-events:none;background:radial-gradient(ellipse at center,transparent 40%,rgba(5,6,8,.9) 100%)}
.vignette--side{background:linear-gradient(90deg,rgba(5,6,8,.2) 0%,rgba(5,6,8,.55) 55%,rgba(5,6,8,.75) 100%)}
.vignette--dim{background:rgba(5,6,8,.72)}

/* header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:28px var(--gutter)}
.site-header::before{content:"";position:absolute;inset:0 0 -40px;z-index:-1;pointer-events:none;background:linear-gradient(rgba(5,6,8,.85),rgba(5,6,8,0))}
.site-header--static{position:relative}
.site-header--static::before{display:none}
.site-logo{display:flex;align-items:center;min-height:44px}
.site-logo img{height:22px;width:auto;display:block}
.gnav{display:flex;flex-wrap:wrap;align-items:center;gap:clamp(18px,3vw,44px);font-size:11px;letter-spacing:.28em}
.gnav a{font-family:var(--en);text-decoration:none;color:rgba(255,255,255,.7);transition:color .3s;padding:12px 0 4px;border-bottom:1px solid transparent}
.gnav a:hover,.gnav a[aria-current="page"]{color:#fff}
.gnav .gnav-contact{border-bottom-color:rgba(255,255,255,.4)}
.gnav a[aria-current="page"]{border-bottom-color:var(--accent)}

/* chapter nav + progress (top page) */
.chapters{position:fixed;right:clamp(12px,2.5vw,44px);top:50%;transform:translateY(-50%);z-index:20;display:flex;flex-direction:column;gap:2px}
.chapters a{display:flex;align-items:center;justify-content:flex-end;gap:12px;min-height:44px;font-family:var(--en);font-size:10px;letter-spacing:.15em;color:rgba(255,255,255,.55);text-decoration:none;transition:color .4s}
.chapters a::before{content:"";display:block;height:1px;width:12px;background:rgba(255,255,255,.35);transition:width .8s var(--ease),background .4s}
.chapters a[aria-current="true"]{color:#fff}
.chapters a[aria-current="true"]::before{width:36px;background:var(--accent)}
.progress{position:fixed;left:var(--gutter);bottom:32px;z-index:20;display:flex;align-items:center;gap:16px;font-family:var(--en);font-size:10px;letter-spacing:.3em;color:var(--faint)}
.progress-no{font-size:13px;color:#fff;letter-spacing:.1em}
.progress-bar{display:block;width:72px;height:1px;background:rgba(255,255,255,.18);position:relative;overflow:hidden}
.progress-bar span{position:absolute;inset:0;background:var(--accent);transform-origin:0 50%;transform:scaleX(0)}
.progress-name{margin-left:12px}

/* top sections */
.scene{position:relative;z-index:2;min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:120px var(--pad);}
.scene--center{justify-content:center;text-align:center}
.scene--end{flex-direction:column;justify-content:flex-end;align-items:center;text-align:center;padding-bottom:80px}
.scene-inner{width:100%;max-width:540px}
.js .scene-inner{opacity:0;transform:translateY(32px);filter:blur(12px);transition:opacity 1.4s var(--ease),transform 1.4s var(--ease),filter 1.4s var(--ease)}
.js .scene.is-past .scene-inner{transform:translateY(-32px)}
.js .scene.is-active .scene-inner{opacity:1;transform:none;filter:none}

.hero-title{margin:0;font-family:var(--mc);font-weight:400;line-height:1.6;font-size:clamp(30px,4.6vw,68px);letter-spacing:.22em;color:var(--ink)}
.hero-title span.l{display:block}
.ch{display:inline-block;opacity:0;animation:charIn 2s var(--ease) forwards}
.fade{opacity:0;animation:fadeIn 2s 2s ease forwards}
.ch.gold{animation:charIn 2s var(--ease) forwards,toGold 2.6s ease forwards}
@keyframes toGold{from{color:var(--ink)}to{color:var(--accent)}}
@keyframes charIn{from{opacity:0;filter:blur(16px);transform:translateY(12px)}to{opacity:1;filter:none;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.hero-sub{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:40px;font-size:10px;letter-spacing:.6em;color:rgba(255,255,255,.7)}
.hero-sub::before,.hero-sub::after{content:"";display:block;width:32px;height:1px;background:rgba(255,255,255,.4)}
.scroll-cue{position:absolute;left:50%;bottom:32px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:14px;text-decoration:none;font-family:var(--en);font-size:9px;letter-spacing:.5em;color:var(--faint)}
.scroll-cue span{display:block;width:1px;height:64px;background:rgba(255,255,255,.14);position:relative;overflow:hidden}
.scroll-cue span::after{content:"";position:absolute;inset:0;background:rgba(255,255,255,.85);animation:lineDown 2.6s cubic-bezier(.65,0,.35,1) infinite}
@keyframes lineDown{0%{transform:scaleY(0);transform-origin:0 0}45%{transform:scaleY(1);transform-origin:0 0}55%{transform:scaleY(1);transform-origin:0 100%}100%{transform:scaleY(0);transform-origin:0 100%}}

.eyebrow{display:flex;align-items:center;gap:16px;font-family:var(--en);font-size:10px;letter-spacing:.45em;color:var(--faint);margin:0 0 36px}
.eyebrow::before{content:"";order:1;display:block;width:40px;height:1px;background:var(--accent)}
.eyebrow b{font-weight:300;color:#fff;letter-spacing:.1em;font-size:12px;order:0}
.eyebrow span{order:2}
.eyebrow--plain::before{order:0}
.svc-title{margin:0;font-family:var(--mc);font-weight:400;font-size:clamp(28px,3.2vw,44px);line-height:1.5;letter-spacing:.08em;color:var(--ink)}
.svc-lead{margin:18px 0 0;font-family:var(--mc);font-size:clamp(15px,1.4vw,18px);line-height:1.9;letter-spacing:.1em;color:var(--muted)}
.svc-desc{margin:40px 0 0;padding-top:28px;border-top:1px solid var(--line);font-size:14px;line-height:2.2;letter-spacing:.04em;color:var(--muted)}
.svc-tags{margin:24px 0 0;font-family:var(--en);font-size:11px;letter-spacing:.2em;color:var(--faint)}

.co-title{margin:0 0 40px;font-family:var(--mc);font-weight:400;font-size:clamp(24px,2.8vw,38px);line-height:1.7;letter-spacing:.12em;color:var(--ink)}
.co-list{margin:0;border-top:1px solid var(--line)}
.co-list div{display:flex;flex-wrap:wrap;gap:4px 24px;padding:16px 0;border-bottom:1px solid var(--line)}
.co-list dt{width:88px;font-size:12px;letter-spacing:.1em;color:var(--faint)}
.co-list dd{margin:0;flex:1 1 220px;font-size:13px;line-height:1.9;letter-spacing:.04em;color:rgba(255,255,255,.85)}
.news{margin-top:28px;display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center;font-size:12px;color:var(--muted)}
.news .en:first-child{font-size:10px;letter-spacing:.4em;color:var(--faint)}

.closing{margin:0;font-family:var(--mc);font-size:clamp(16px,1.6vw,20px);line-height:2.2;letter-spacing:.16em;color:rgba(255,255,255,.85)}
.cta-row{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:24px 48px;margin-top:44px}
.tel{text-decoration:none;font-family:var(--en);font-size:14px;letter-spacing:.2em;color:rgba(255,255,255,.8)}

/* button */
.btn{position:relative;display:inline-flex;align-items:center;gap:20px;padding:22px 46px;border:1px solid rgba(255,255,255,.45);background:transparent;color:#fff;text-decoration:none;font-family:var(--en);font-weight:300;font-size:12px;letter-spacing:.4em;overflow:hidden;isolation:isolate;border-radius:0;cursor:pointer;transition:color .5s,border-color .5s}
.btn::before{content:"";position:absolute;inset:0;background:#fff;transform:scaleX(0);transform-origin:100% 50%;transition:transform .7s var(--ease);z-index:-1}
.btn::after{content:"";display:block;width:24px;height:1px;background:currentColor;transition:width .6s var(--ease)}
.btn:hover{color:var(--bg);border-color:#fff}
.btn:hover::before{transform:scaleX(1);transform-origin:0 50%}
.btn:hover::after{width:40px}
.btn[disabled]{opacity:.5;cursor:wait}

/* footer */
.site-footer{position:relative;z-index:2;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px;padding:28px var(--pad) 32px;border-top:1px solid rgba(255,255,255,.1);font-size:11px;color:var(--faint)}
.site-footer a{text-decoration:none}
.site-footer .en{letter-spacing:.3em;font-size:9px}
.footnote{margin-top:72px;display:flex;flex-wrap:wrap;justify-content:center;gap:12px 32px;font-size:11px;color:var(--faint)}
.footnote a{text-decoration:none;border-bottom:1px solid rgba(255,255,255,.25)}
.footnote .en{font-size:9px;letter-spacing:.3em}

/* lower pages */
.page{position:relative;z-index:2;padding:clamp(48px,8vw,120px) var(--pad) 120px}
.rise{opacity:0;animation:rise 1.6s var(--ease) forwards}
@keyframes rise{from{opacity:0;transform:translateY(24px);filter:blur(10px)}to{opacity:1;transform:none;filter:none}}
.page-title{margin:0;font-family:var(--mc);font-weight:400;font-size:clamp(30px,3.6vw,48px);line-height:1.5;letter-spacing:.16em;color:var(--ink)}
.contact-grid{display:flex;flex-wrap:wrap;gap:64px clamp(48px,8vw,140px)}
.contact-intro{flex:1 1 320px;min-width:0;max-width:440px}
.contact-intro p{margin:32px 0 0;font-size:14px;line-height:2.2;letter-spacing:.04em;color:var(--muted)}
.contact-info{margin:48px 0 0;border-top:1px solid var(--line)}
.contact-info div{display:flex;flex-wrap:wrap;gap:4px 24px;padding:18px 0;border-bottom:1px solid var(--line)}
.contact-info dt{width:72px;font-family:var(--en);font-size:10px;letter-spacing:.3em;color:var(--faint);padding-top:3px}
.contact-info dd{margin:0;flex:1 1 200px;font-size:13px;line-height:1.9;color:rgba(255,255,255,.82)}
.contact-info dd a{text-decoration:none;font-family:var(--en);font-size:16px;letter-spacing:.14em}

.form{flex:999 1 460px;min-width:0;max-width:680px;display:flex;flex-direction:column;gap:40px}
.row{display:flex;flex-wrap:wrap;gap:40px}
.row>div{flex:1 1 240px;min-width:0}
.label{display:flex;gap:10px;align-items:baseline;font-size:13px;letter-spacing:.08em;color:rgba(255,255,255,.85)}
.req{font-family:var(--en);font-size:9px;letter-spacing:.3em;color:var(--accent)}
.fld{width:100%;background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.28);color:var(--ink);font:inherit;font-weight:300;font-size:16px;padding:12px 0;outline:none;border-radius:0;transition:border-color .5s}
.fld:focus{border-bottom-color:#fff}
.fld::placeholder{color:rgba(255,255,255,.35)}
.fld[aria-invalid="true"]{border-bottom-color:var(--error)}
textarea.fld{resize:vertical;min-height:140px;line-height:1.9}
.err{margin:8px 0 0;font-size:12px;color:var(--error)}
.err:empty{display:none}
fieldset{border:0;margin:0;padding:0;min-width:0}
legend{padding:0;margin-bottom:8px;font-size:13px;letter-spacing:.08em;color:rgba(255,255,255,.85)}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0 32px}
.opt,.agree{display:flex;align-items:center;gap:12px;min-height:44px;cursor:pointer;font-size:14px;color:rgba(255,255,255,.82)}
.agree{font-size:13px}
.opt input,.agree input{appearance:none;-webkit-appearance:none;margin:0;width:14px;height:14px;border:1px solid rgba(255,255,255,.5);background:transparent;cursor:pointer;flex-shrink:0;transition:background .3s,border-color .3s}
.opt input{border-radius:50%}
.opt input:checked,.agree input:checked{background:var(--accent);border-color:var(--accent)}
.agree a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.4)}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.form-status{margin:0;font-size:13px;line-height:1.9;color:var(--error)}
.form-status:empty{display:none}

.thanks{min-height:70vh;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;text-align:center}
.thanks[hidden]{display:none}
.thanks p{margin:0}
.thanks .en{font-size:10px;letter-spacing:.5em;color:var(--faint)}
.thanks .mc{margin-top:24px;font-size:clamp(18px,2vw,24px);line-height:2;letter-spacing:.16em;color:var(--ink)}
.thanks .btn{margin-top:48px}
.thanks .r1{animation-delay:1.6s}.thanks .r2{animation-delay:1.9s}.thanks .r3{animation-delay:2.3s}

.prose{max-width:760px;margin:0 auto}
.prose h2{margin:56px 0 16px;font-family:var(--mc);font-weight:400;font-size:18px;letter-spacing:.1em;color:var(--ink)}
.prose p,.prose li{font-size:14px;line-height:2.1;letter-spacing:.03em;color:rgba(255,255,255,.82)}
.prose ul{padding-left:1.4em}
.prose dl{margin:0;border-top:1px solid var(--line)}
.prose dl div{display:flex;flex-wrap:wrap;gap:4px 24px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
.prose dt{width:120px;color:var(--faint)}
.prose dd{margin:0;flex:1 1 240px}
.prose .meta{margin-top:56px;text-align:right;font-size:13px;color:var(--faint)}

.nf{min-height:calc(100vh - 200px);min-height:calc(100svh - 200px);display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center}
.nf-code{font-family:var(--en);font-weight:200;font-size:clamp(80px,14vw,180px);line-height:1;letter-spacing:.1em;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.6)}
.nf p{margin:24px 0 0;font-family:var(--mc);font-size:16px;letter-spacing:.14em;color:var(--muted)}
.nf .btn{margin-top:48px}

/* small screens */
@media (max-width:819px){
  .chapters{display:none}
  .progress{display:none}
  .scene{align-items:flex-end;padding-top:45vh;padding-top:45svh;padding-bottom:96px}
  .scene--center,.scene--end{align-items:center}
  .scene--center{padding-top:120px;justify-content:center;align-items:center}
  .gnav{gap:18px;letter-spacing:.2em}
  .gnav .gnav-hide-sm{display:none}
  .gnav{font-size:10px;gap:16px}
  .site-header{padding:16px var(--gutter)}
  .contact-info dd a{font-size:15px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .ch,.fade,.rise{opacity:1}
  .ch.gold{color:var(--accent)}
  html{scroll-behavior:auto}
}