:root{
  --bg:#060607;
  --bg-2:#0c0c0e;
  --panel:#111214;
  --text:#e4e6ea;
  --text-soft:#9a9fa8;
  --text-dim:#666b73;
  --silver:#c9cdd3;
  --line:rgba(201,205,211,.16);
  --line-strong:rgba(201,205,211,.38);
  --metal:linear-gradient(100deg,#7d828a 0%,#f4f5f7 30%,#a3a8b0 52%,#eceef1 76%,#7d828a 100%);
  --serif:'Shippori Mincho','Noto Sans JP',serif;
  --sans:'Noto Sans JP',sans-serif;
  --display:'Barlow Condensed','Noto Sans JP',sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
html,body{overflow-x:clip}
body{
  font-family:var(--sans);
  font-size:16px;line-height:1.95;
  color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit}
a:focus-visible{outline:2px solid var(--silver);outline-offset:4px}
::selection{background:var(--silver);color:#000}
.container{max-width:1200px;margin:0 auto;padding:0 40px}

/* film grain */
body::after{
  content:"";position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.06;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background .4s ease,border-color .4s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(6,6,7,.78);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-color:var(--line);
}
.header-inner{height:80px;display:flex;align-items:center;justify-content:space-between}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;line-height:1}
.brand-symbol{display:block;width:36px;height:36px}
.brand-wordmark{display:block;width:92px;height:auto;filter:brightness(0) invert(.86)}
.global-nav{display:flex;align-items:center;gap:38px}
.global-nav a{
  position:relative;text-decoration:none;
  font-family:var(--display);font-size:15px;font-weight:500;letter-spacing:.14em;
  color:var(--text-soft);transition:color .3s ease;padding:6px 0;
}
.global-nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;
  background:var(--silver);transition:right .5s var(--ease);
}
.global-nav a:hover{color:#fff}
.global-nav a:hover::after{right:0}

/* hero */
.hero{
  position:relative;overflow:hidden;isolation:isolate;
  min-height:100vh;min-height:100svh;
  display:flex;align-items:flex-end;
  padding:150px 0 72px;
  background:
    radial-gradient(ellipse 70% 60% at 85% 10%,rgba(201,205,211,.09),transparent 60%),
    var(--bg);
}
.hero-light{
  position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(520px circle at var(--mx,72%) var(--my,30%),rgba(214,218,224,.13),transparent 62%);
  transition:opacity .6s ease;
}
.hero-mark{
  position:absolute;z-index:-1;right:-2vw;top:50%;
  transform:translateY(-52%);
  font-family:var(--display);font-weight:700;
  font-size:clamp(280px,44vw,700px);line-height:.8;letter-spacing:-.05em;
  color:transparent;-webkit-text-stroke:1px rgba(201,205,211,.12);
  pointer-events:none;user-select:none;
}
.hero .container{width:100%}
.kicker{
  display:flex;align-items:center;gap:18px;
  font-family:var(--display);font-size:15px;font-weight:500;letter-spacing:.42em;
  color:var(--text-soft);margin-bottom:38px;
}
.kicker::before{content:"";width:56px;height:1px;background:var(--silver)}
.hero h1{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(46px,8.4vw,132px);
  line-height:1.24;letter-spacing:.03em;
  padding-bottom:.12em;
}
.hero h1 .line{display:block;overflow:hidden;padding-bottom:.1em;margin-bottom:-.1em}
.hero h1 .line > span{
  display:inline-block;
  background:var(--metal);background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
  animation:sheen 9s ease-in-out infinite;
}
.hero-foot{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:48px;align-items:end;
  margin-top:64px;padding-top:32px;border-top:1px solid var(--line);
}
.hero-foot p{max-width:34em;color:var(--text-soft);font-size:15px;line-height:2.05}
.hero-est{
  font-family:var(--display);font-size:14px;font-weight:500;letter-spacing:.3em;
  color:var(--text-dim);text-align:right;white-space:nowrap;
}
.hero-est b{display:block;font-size:44px;font-weight:500;letter-spacing:.06em;color:var(--silver);line-height:1.1}

@keyframes sheen{0%,100%{background-position:0% 0}50%{background-position:100% 0}}

/* intro motion */
.js .hero h1 .line > span{transform:translateY(112%)}
.js .hero .kicker,.js .hero .hero-foot{opacity:0;transform:translateY(18px)}
.loaded .hero h1 .line > span{transform:none;transition:transform 1.3s var(--ease)}
.loaded .hero h1 .line:nth-child(2) > span{transition-delay:.14s}
.loaded .hero .kicker{opacity:1;transform:none;transition:opacity 1s ease .05s,transform 1s var(--ease) .05s}
.loaded .hero .hero-foot{opacity:1;transform:none;transition:opacity 1.2s ease .7s,transform 1.2s var(--ease) .7s}

/* sections */
section{padding:150px 0}
.sec-head{
  display:grid;grid-template-columns:200px minmax(0,1fr);gap:40px;
  margin-bottom:72px;align-items:baseline;
}
.eyebrow{
  font-family:var(--display);font-size:15px;font-weight:600;letter-spacing:.38em;
  color:var(--text-soft);
}
.eyebrow em{font-style:normal;color:var(--text-dim);margin-right:1em}
.section-title{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(34px,4.6vw,60px);line-height:1.3;letter-spacing:.05em;color:#fff;
}

/* reveal */
.js .rv{opacity:0;transform:translateY(34px);transition:opacity 1s ease,transform 1.2s var(--ease);transition-delay:var(--d,0s)}
.js .rv.in{opacity:1;transform:none}

/* company */
.company-table{width:100%;border-collapse:collapse;border-top:1px solid var(--line-strong)}
.company-table tr{border-bottom:1px solid var(--line);transition:background .4s ease}
.company-table tr:hover{background:rgba(201,205,211,.035)}
.company-table th,.company-table td{text-align:left;padding:28px 0;vertical-align:top}
.company-table th{
  width:240px;font-family:var(--display);font-size:15px;font-weight:600;letter-spacing:.2em;
  color:var(--text-dim);white-space:nowrap;padding-right:32px;
}
.company-table td{color:var(--text);font-size:16px}
.company-wrap{margin-left:240px}

/* business */
#business{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.biz-list{border-top:1px solid var(--line-strong)}
.biz-row{
  position:relative;
  display:grid;grid-template-columns:56px minmax(0,.8fr) minmax(0,1.25fr);gap:48px;
  align-items:center;padding:64px 0;border-bottom:1px solid var(--line);
}
.biz-row::before{
  content:"";position:absolute;inset:0 -40px;z-index:0;
  background:linear-gradient(90deg,transparent,rgba(201,205,211,.05),transparent);
  opacity:0;transition:opacity .5s ease;pointer-events:none;
}
.biz-row:hover::before{opacity:1}
.biz-row > *{position:relative;z-index:1}
.biz-no{font-family:var(--display);font-size:16px;font-weight:600;letter-spacing:.2em;color:var(--text-dim);align-self:start;padding-top:10px}
.biz-tag{
  display:inline-block;margin-bottom:14px;
  font-family:var(--display);font-size:14px;font-weight:600;letter-spacing:.24em;color:var(--text-soft);
}
.biz-tag.soon{padding:2px 12px;border:1px solid var(--line-strong);border-radius:99px;letter-spacing:.14em}
.biz-row h3{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(28px,3.4vw,44px);line-height:1.35;letter-spacing:.04em;color:#fff;margin-bottom:20px;
}
.biz-row p{color:var(--text-soft);font-size:15px;line-height:2}
.biz-row.dim h3{color:#b8bcc3}
.biz-link{
  display:inline-flex;align-items:center;gap:10px;margin-top:28px;
  font-family:var(--display);font-size:15px;font-weight:600;letter-spacing:.14em;text-decoration:none;
  color:var(--silver);padding-bottom:6px;border-bottom:1px solid var(--line-strong);
  transition:color .3s ease,border-color .3s ease,gap .4s var(--ease);
}
.biz-link::after{content:"↗";font-family:sans-serif}
.biz-link:hover{color:#fff;border-color:#fff;gap:16px}
.biz-shot{overflow:hidden;border:1px solid var(--line);background:#000}
.biz-shot img{
  display:block;width:100%;height:auto;
  filter:brightness(.82);transform:scale(1.02);
  transition:filter .8s ease,transform 1.4s var(--ease);
}
.biz-row:hover .biz-shot img{filter:brightness(1.05);transform:scale(1.06)}

/* contact */
#contact{padding-bottom:120px}
.contact-lead{max-width:36em;margin-left:240px;color:var(--text-soft);margin-bottom:56px}
.mail-link{
  position:relative;display:block;overflow:hidden;
  text-decoration:none;
  padding:56px 0;
  border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);
}
.mail-link span{
  position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:24px;
  font-family:var(--display);font-weight:500;letter-spacing:.03em;
  font-size:clamp(34px,7.4vw,112px);line-height:1.1;
  color:#fff;transition:color .5s ease,transform .8s var(--ease);
}
.mail-link span::after{content:"↗";font-family:sans-serif;font-size:.5em;color:var(--text-dim);transition:color .4s ease,transform .6s var(--ease)}
.mail-link::before{
  content:"";position:absolute;inset:0;background:var(--metal);
  transform:translateY(101%);transition:transform .7s var(--ease);
}
.mail-link:hover::before{transform:none}
.mail-link:hover span{color:#0a0a0b;transform:translateX(14px)}
.mail-link:hover span::after{color:#0a0a0b;transform:translate(-14px,-4px)}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:44px 0;color:var(--text-dim);font-size:13px}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.footer-brand .brand-symbol{width:28px;height:28px}
.footer-brand .brand-wordmark{width:76px;filter:brightness(0) invert(.6)}
.site-footer a{color:var(--text-soft);text-decoration:none;transition:color .3s ease}
.site-footer nav a:hover{color:#fff}

/* responsive */
@media (max-width:900px){
  .container{padding:0 28px}
  section{padding:110px 0}
  .sec-head{grid-template-columns:1fr;gap:14px;margin-bottom:52px}
  .company-wrap,.contact-lead{margin-left:0}
  .company-table th{width:170px}
  .biz-row{grid-template-columns:44px minmax(0,1fr);gap:20px 28px;padding:52px 0}
  .biz-shot{grid-column:2}
  .biz-row::before{inset:0 -28px}
  .hero-foot{grid-template-columns:1fr;gap:30px}
  .hero-est{text-align:left}
}
@media (max-width:640px){
  .container{padding:0 22px}
  .header-inner{height:68px}
  .brand-symbol{width:30px;height:30px}
  .brand-wordmark{width:78px}
  .brand{gap:9px}
  .global-nav{gap:16px}
  .global-nav a{font-size:12px;letter-spacing:.04em;white-space:nowrap}
  .hero{padding:120px 0 48px}
  .hero h1{font-size:min(10.6vw,60px);line-height:1.34}
  .hero h1 .line{white-space:nowrap}
  .kicker{font-size:12px;letter-spacing:.3em;gap:12px;margin-bottom:28px}
  .kicker::before{width:32px}
  .hero-foot{margin-top:44px}
  .hero-est b{font-size:34px}
  section{padding:88px 0}
  .company-table th,.company-table td{display:block;width:100%}
  .company-table th{padding:22px 0 2px}
  .company-table td{padding:0 0 22px}
  .biz-row{grid-template-columns:1fr;padding:44px 0;gap:22px}
  .biz-shot{grid-column:auto}
  .biz-no{padding-top:0}
  .mail-link{padding:38px 0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .rv,.js .hero .kicker,.js .hero .hero-foot,.js .hero h1 .line > span{opacity:1!important;transform:none!important}
}

/* sub pages */
.page-hero{min-height:auto;padding:200px 0 88px}
.page-hero h1{font-size:clamp(42px,6.6vw,96px)}
.page-hero .hero-mark{font-size:clamp(220px,34vw,520px);top:56%}
.page-hero .hero-foot{margin-top:56px;align-items:start}
.jump{display:grid;gap:4px;justify-items:end}
.jump a{
  font-family:var(--display);font-size:15px;font-weight:500;letter-spacing:.2em;text-decoration:none;
  color:var(--text-soft);padding:4px 0;border-bottom:1px solid transparent;transition:color .3s ease,border-color .3s ease;
}
.jump a:hover{color:#fff;border-color:var(--silver)}

.feature{padding:140px 0;border-top:1px solid var(--line)}
.feature:nth-of-type(even){background:var(--bg-2)}
.feature-body{margin-left:240px}
.feature-body .biz-shot{margin-bottom:56px}
.feature-body .biz-shot img{filter:brightness(.9)}
.feature-lead{
  font-family:var(--serif);font-weight:600;color:#fff;
  font-size:clamp(22px,2.5vw,32px);line-height:1.7;letter-spacing:.04em;max-width:26em;margin-bottom:24px;
}
.feature-text{color:var(--text-soft);max-width:40em;font-size:15px;line-height:2.05}
.points{margin-top:56px;border-top:1px solid var(--line-strong)}
.point{display:grid;grid-template-columns:64px 230px minmax(0,1fr);gap:24px;padding:30px 0;border-bottom:1px solid var(--line);align-items:baseline}
.point span{font-family:var(--display);font-size:15px;font-weight:600;letter-spacing:.2em;color:var(--text-dim)}
.point h3{font-family:var(--serif);font-weight:600;font-size:21px;letter-spacing:.04em;color:#fff}
.point p{color:var(--text-soft);font-size:15px;line-height:1.95}
.steps{display:grid;grid-template-columns:repeat(4,1fr);margin-top:56px;border-top:1px solid var(--line-strong)}
.step{padding:26px 20px 8px 22px;border-left:1px solid var(--line)}
.step:first-child{border-left:0;padding-left:0}
.step span{display:block;font-family:var(--display);font-size:14px;font-weight:600;letter-spacing:.24em;color:var(--text-dim);margin-bottom:10px}
.step strong{font-family:var(--serif);font-weight:600;font-size:clamp(20px,2.2vw,28px);letter-spacing:.06em;color:#fff}
.tags{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:40px;font-family:var(--display);font-size:15px;font-weight:500;letter-spacing:.2em;color:var(--text-soft)}
.tags span::before{content:"／";color:var(--text-dim);margin-right:.7em}
.notice{
  margin-top:48px;padding:22px 26px;border:1px solid var(--line-strong);border-left:3px solid var(--silver);
  color:var(--text-soft);font-size:15px;
}
.notice strong{color:#fff;font-weight:500}
.statement{max-width:40em;color:var(--text-soft)}
.statement p+p{margin-top:1.4em}
.statement-title{
  font-family:var(--serif);font-weight:600;color:#fff;
  font-size:clamp(30px,4vw,52px);line-height:1.5;letter-spacing:.05em;margin-bottom:40px;
}
.more{margin-top:44px}
.company-wrap .biz-link{margin-top:40px}

@media (max-width:900px){
  .feature{padding:100px 0}
  .feature-body{margin-left:0}
  .point{grid-template-columns:44px minmax(0,1fr);gap:8px 20px}
  .point p{grid-column:2}
  .steps{grid-template-columns:1fr 1fr}
  .step:nth-child(3){border-left:0;padding-left:0}
  .jump{justify-items:start}
}
@media (max-width:640px){
  .page-hero{padding:140px 0 56px}
  .page-hero h1{font-size:min(10.6vw,56px);line-height:1.34}
  .feature{padding:80px 0}
  .steps{grid-template-columns:1fr}
  .step,.step:nth-child(3){border-left:0;padding-left:0;border-top:1px solid var(--line)}
  .step:first-child{border-top:0}
}
section.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.site-footer nav a{white-space:nowrap}

/* ===== visuals ===== */
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
.hero-bg{
  position:absolute;inset:-10% 0;z-index:-2;background-size:cover;background-position:center;opacity:.8;will-change:transform;
  -webkit-mask-image:linear-gradient(180deg,#000 55%,transparent 100%);mask-image:linear-gradient(180deg,#000 55%,transparent 100%);
}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,6,7,.92) 0%,rgba(6,6,7,.45) 55%,rgba(6,6,7,.1) 100%)}

/* full-bleed panels (index) */
.panels-wrap{padding:150px 0 0;background:var(--bg)}
.panels-wrap .sec-head{margin-bottom:72px}
.panel{
  position:relative;isolation:isolate;overflow:hidden;
  min-height:min(88vh,860px);display:flex;align-items:flex-end;
  border-top:1px solid var(--line);
}
.panel-bg{
  position:absolute;inset:-14% 0;z-index:-2;background-size:cover;background-position:center;will-change:transform;
  transform:translate3d(0,var(--py,0px),0);
}
.panel.photo .panel-bg{filter:grayscale(1) contrast(1.08) brightness(.62)}
.panel::after,.band::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(6,6,7,.9) 0%,rgba(6,6,7,.55) 45%,rgba(6,6,7,.05) 100%),linear-gradient(0deg,rgba(6,6,7,.75) 0%,transparent 45%);
}
.panel-inner{width:100%;padding-top:120px;padding-bottom:84px}
.panel-no{display:block;font-family:var(--display);font-size:16px;font-weight:600;letter-spacing:.3em;color:var(--text-soft);margin-bottom:22px}
.panel h3{
  font-family:var(--serif);font-weight:600;color:#fff;
  font-size:clamp(34px,5.4vw,84px);line-height:1.25;letter-spacing:.04em;margin-bottom:26px;max-width:16em;text-wrap:balance;
}
.panel p{max-width:34em;color:#c4c8ce;font-size:15px;line-height:2.05}
.panel .biz-link{margin-top:34px}

.band{position:relative;isolation:isolate;overflow:hidden;min-height:70vh;display:flex;align-items:center;border-top:1px solid var(--line)}
.band-text{
  font-family:var(--display);font-weight:600;font-size:clamp(64px,13vw,230px);line-height:.92;letter-spacing:-.01em;text-transform:uppercase;
  background:var(--metal);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;
  animation:sheen 9s ease-in-out infinite;
}

/* wide image blocks (sub pages) */
.vis{
  width:100%;aspect-ratio:21/9;margin-bottom:56px;border:1px solid var(--line);
  background-size:cover;background-position:center;background-color:#000;
}
.vis.photo{filter:grayscale(1) contrast(1.06) brightness(.7)}
.company-wrap .vis{margin:56px 0 0;aspect-ratio:16/8}
.feature-body .vis{margin-bottom:56px}

@media (max-width:900px){
  .panels-wrap{padding-top:110px}
  .panel{min-height:78vh}
  .panel-inner{padding-top:96px;padding-bottom:64px}
  .vis{aspect-ratio:16/9}
}
@media (max-width:640px){
  .panel{min-height:72vh}
  .panel::after{background:linear-gradient(0deg,rgba(6,6,7,.92) 0%,rgba(6,6,7,.55) 60%,rgba(6,6,7,.2) 100%)}
  .panel h3{font-size:clamp(30px,9vw,44px)}
  .band{min-height:52vh}
  .band-text{font-size:clamp(54px,19vw,110px)}
}
@media (prefers-reduced-motion:reduce){
  .panel-bg,.hero-bg{transform:none!important}
}