:root{
  --ink:#0d0d0d; --ink2:#1a1a1a; --sub:#767676; --line:#e5e3e0; --bg:#ffffff; --soft:#f6f5f3;
  --max:1180px; --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:"Noto Sans JP","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  font-weight:400;line-height:1.9;letter-spacing:.04em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}
.narrow{max-width:860px;margin:0 auto;padding:0 28px}

/* ── header */
.hd{position:fixed;inset:0 0 auto 0;z-index:100;display:flex;align-items:center;
  justify-content:space-between;padding:22px 28px;transition:.4s var(--ease);}
.hd.solid{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);padding:14px 28px;backdrop-filter:blur(6px)}
.hd__logo img{height:38px;transition:.4s var(--ease)}
.hd.solid .hd__logo img{height:30px}
.hd__logo .w{display:block}.hd__logo .b{display:none}
.hd.solid .hd__logo .w{display:none}.hd.solid .hd__logo .b{display:block}
.burger{width:64px;height:64px;background:var(--ink);color:#fff;border:0;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  font:500 9px/1 inherit;letter-spacing:.18em}
.burger span{display:block;width:24px;height:1px;background:#fff;transition:.3s}
.burger em{font-style:normal;margin-top:4px}
body.navopen .burger span:nth-child(1){transform:translateY(3px) rotate(45deg)}
body.navopen .burger span:nth-child(2){transform:translateY(-3px) rotate(-45deg)}
.nav{position:fixed;inset:0;z-index:99;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:.5s var(--ease)}
body.navopen .nav{opacity:1;visibility:visible}
.nav ul{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(230px,1fr));
  gap:0 70px;text-align:center;padding:0 24px}
.nav li{margin:0 0 22px}
.nav a{font-size:21px;letter-spacing:.2em;font-weight:300}
.nav a small{display:block;font-size:11px;letter-spacing:.2em;color:#9a9a9a;margin-top:6px}
.nav a:hover{opacity:.55}

/* ── 質感：粒子 */
.grain{position:fixed;inset:0;z-index:98;pointer-events:none;opacity:.045;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  background-size:200px 200px}

/* ── hero */
.hero{position:relative;height:100svh;min-height:600px;display:flex;align-items:center;justify-content:center;
  background:#080808;overflow:hidden}
.hero__slides{position:absolute;inset:0}
.hero__slides>div{position:absolute;inset:0;background-size:cover;background-position:center;
  filter:grayscale(1) contrast(1.12) brightness(.78);opacity:0;animation:heroFade 32s infinite var(--ease)}
.hero__slides>div:nth-child(2){animation-delay:6.4s}
.hero__slides>div:nth-child(3){animation-delay:12.8s}
.hero__slides>div:nth-child(4){animation-delay:19.2s}
.hero__slides>div:nth-child(5){animation-delay:25.6s}
@keyframes heroFade{0%{opacity:0;transform:scale(1.13)}4%{opacity:1}17%{opacity:1}22%{opacity:0}100%{opacity:0;transform:scale(1)}}
.hero::after{content:"";position:absolute;inset:0;z-index:2;
  background:radial-gradient(ellipse at center,rgba(0,0,0,.22) 0%,rgba(0,0,0,.7) 80%),
             linear-gradient(to bottom,rgba(0,0,0,.5),rgba(0,0,0,.08) 34%,rgba(0,0,0,.72))}
.hero__in{position:relative;z-index:3;text-align:center;color:#fff;padding:0 24px}
.hero__rule{width:1px;height:76px;background:linear-gradient(to bottom,transparent,rgba(255,255,255,.85));margin:0 auto 30px}
.hero__logo{height:76px;margin:0 auto 32px}
.hero__c{font-size:clamp(16px,2.5vw,25px);font-weight:200;letter-spacing:.22em;line-height:2.35}
.hero__e{font-size:9.5px;letter-spacing:.46em;color:#a8a8a8;margin-top:26px}
.hero__meta{position:absolute;left:0;right:0;bottom:0;z-index:3;display:flex;justify-content:space-between;
  padding:0 28px 24px;color:#b8b8b8;font-size:9.5px;letter-spacing:.28em}
.scroll{position:absolute;bottom:74px;left:50%;transform:translateX(-50%);color:#fff;
  font-size:9px;letter-spacing:.3em;z-index:3}
.scroll::after{content:"";display:block;width:1px;height:44px;background:#fff;margin:10px auto 0;
  transform-origin:top;animation:sc 2.4s infinite}
@keyframes sc{0%{transform:scaleY(0)}45%{transform:scaleY(1)}100%{transform:scaleY(0);transform-origin:bottom}}

/* ── page head */
.ph{position:relative;height:46vh;min-height:300px;display:flex;align-items:center;justify-content:center;
  background:#0d0d0d;overflow:hidden;text-align:center;color:#fff}
.ph__bg{position:absolute;inset:0;background-size:cover;background-position:center;
  filter:grayscale(1) contrast(1.1) brightness(.66);transform:scale(1.07);animation:phZoom 14s var(--ease) forwards}
@keyframes phZoom{to{transform:scale(1)}}
.ph::after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,rgba(0,0,0,.5),rgba(0,0,0,.15) 45%,rgba(0,0,0,.65))}
.ph__rule{width:1px;height:48px;background:linear-gradient(to bottom,transparent,rgba(255,255,255,.8));margin:0 auto 22px}
.ph__in{position:relative;z-index:2;padding-top:40px}
.ph h1{font-size:clamp(26px,4vw,42px);font-weight:300;letter-spacing:.3em}
.ph p{font-size:12px;letter-spacing:.24em;color:#c9c9c9;margin-top:12px}

/* ── section */
.sec{padding:112px 0}
.sec--soft{background:var(--soft)}
.sec--dark{background:var(--ink);color:#fff}
.st{text-align:center;margin-bottom:56px;position:relative}
.st::before{content:attr(data-wm);position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);
  font-size:clamp(56px,10.5vw,140px);font-weight:200;letter-spacing:.04em;white-space:nowrap;line-height:1;
  color:rgba(13,13,13,.036);pointer-events:none}
.sec--dark .st::before{color:rgba(255,255,255,.06)}
.st h2,.st p{position:relative}
.st h2{font-size:clamp(22px,3vw,32px);font-weight:300;letter-spacing:.3em}
.st p{font-size:12px;letter-spacing:.22em;color:var(--sub);margin-top:10px}
.sec--dark .st p{color:#9a9a9a}
.lead{text-align:center;font-size:15px;line-height:2.4;font-weight:300;max-width:760px;margin:0 auto}

/* ── members (SASAYA型) */
.members{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.members--3{grid-template-columns:repeat(3,1fr)}
.mem{position:relative;aspect-ratio:3/4.6;overflow:hidden;background:#111;display:flex;align-items:flex-end}
.mem__img{position:absolute;inset:0;background-size:cover;background-position:center;transition:1.1s var(--ease)}
.mem:hover .mem__img{transform:scale(1.06)}
.mem::after{content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(0,0,0,.88) 0%,rgba(0,0,0,.45) 42%,rgba(0,0,0,0) 72%)}
.mem__t{position:relative;z-index:2;color:#fff;padding:0 26px 30px}
.mem__shop{font-size:11px;letter-spacing:.12em;color:#dcdcdc}
.mem__name{font-size:23px;font-weight:400;letter-spacing:.12em;margin:2px 0 14px}
.mem__txt{font-size:12.5px;line-height:1.95;border-left:1px solid rgba(255,255,255,.65);padding-left:14px;color:#ececec}

/* ── brand grid */
.brands{display:grid;grid-template-columns:repeat(3,1fr);gap:2px}
.brand{position:relative;aspect-ratio:4/3;overflow:hidden;background:#111;display:flex;align-items:flex-end}
.brand__img{position:absolute;inset:0;background-size:cover;background-position:center;transition:1.1s var(--ease);
  opacity:.92;filter:grayscale(1) contrast(1.07) brightness(.84)}
.brand:hover .brand__img{transform:scale(1.06);opacity:1;filter:none}
.brand::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.85),rgba(0,0,0,0) 65%)}
.brand__t{position:relative;z-index:2;color:#fff;padding:0 22px 22px}
.brand__cat{font-size:10px;letter-spacing:.2em;color:#cfcfcf}
.brand__n{font-size:18px;font-weight:400;letter-spacing:.06em;margin-top:4px}
.brand__a{font-size:11px;color:#cfcfcf;margin-top:2px}

/* ── business list */
.biz{border-top:1px solid var(--line)}
.biz__i{display:grid;grid-template-columns:110px 1fr;gap:30px;padding:38px 0;border-bottom:1px solid var(--line);align-items:start}
.biz__no{font-size:34px;font-weight:200;letter-spacing:.04em;color:#c8c6c2;line-height:1}
.biz__en{font-size:11px;letter-spacing:.24em;color:var(--sub)}
.biz__ja{font-size:20px;font-weight:400;letter-spacing:.08em;margin:4px 0 12px}
.biz__d{font-size:14px;line-height:2.15;color:#3a3a3a}
.biz__l{display:inline-block;margin-top:14px;font-size:11px;letter-spacing:.2em;border-bottom:1px solid var(--ink);padding-bottom:3px}

/* ── table */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:20px 8px;text-align:left;vertical-align:top;line-height:2}
.tbl th{width:190px;font-weight:500;letter-spacing:.1em}
.tbl td{color:#3a3a3a}

/* ── history */
.hist{border-left:1px solid var(--line);margin-left:6px}
.hist__i{position:relative;padding:0 0 44px 34px}
.hist__i::before{content:"";position:absolute;left:-4.5px;top:9px;width:8px;height:8px;background:var(--ink);border-radius:50%}
.hist__y{font-size:22px;font-weight:200;letter-spacing:.1em}
.hist__t{font-size:15px;font-weight:500;margin:2px 0 8px;letter-spacing:.06em}
.hist__d{font-size:13.5px;line-height:2.1;color:#4a4a4a}

/* ── job */
.job{border:1px solid var(--line);padding:36px;margin-bottom:22px;background:#fff}
.job h3{font-size:19px;font-weight:500;letter-spacing:.08em}
.job__a{font-size:11px;letter-spacing:.16em;color:var(--sub);margin-top:4px}
.job__m{font-size:13.5px;line-height:2.15;color:#3a3a3a;margin:16px 0 24px;padding-left:14px;border-left:2px solid var(--ink)}

/* ── gallery */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:2px}
.gal div{aspect-ratio:4/3;background-size:cover;background-position:center;background-color:#161616;
  filter:grayscale(1) contrast(1.05);transition:.75s var(--ease)}
.gal div:hover{filter:none}

/* ── cta */
.cta{position:relative;background:#0d0d0d;color:#fff;text-align:center;padding:104px 24px;overflow:hidden}
.cta__bg{position:absolute;inset:0;background-size:cover;background-position:center;
  filter:grayscale(1) contrast(1.1) brightness(.55)}
.cta__in{position:relative;z-index:2}
.cta h2{font-size:clamp(22px,3vw,30px);font-weight:300;letter-spacing:.3em}
.cta p{font-size:14px;font-weight:300;line-height:2.3;margin:20px auto 34px;max-width:620px;color:#dcdcdc}
.btn{display:inline-block;border:1px solid currentColor;padding:17px 52px;font-size:12px;letter-spacing:.24em;transition:.35s var(--ease)}
.btn:hover{background:#fff;color:#0d0d0d}
.btn--ink{border-color:var(--ink)}
.btn--ink:hover{background:var(--ink);color:#fff}
.center{text-align:center}

/* ── news */
.news{list-style:none;border-top:1px solid var(--line)}
.news li{border-bottom:1px solid var(--line)}
.news a,.news span.row{display:grid;grid-template-columns:130px 1fr;gap:14px;padding:22px 4px;font-size:14px}
.news time{font-size:12px;letter-spacing:.1em;color:var(--sub)}

/* ── form */
.form{max-width:720px;margin:0 auto}
.fr{margin-bottom:26px}
.fr label{display:block;font-size:12px;letter-spacing:.12em;margin-bottom:9px;font-weight:500}
.fr .req{font-size:10px;background:var(--ink);color:#fff;padding:2px 7px;margin-left:8px;letter-spacing:.08em}
.fr input,.fr select,.fr textarea{width:100%;border:1px solid var(--line);background:#fff;padding:14px 15px;
  font-family:inherit;font-size:14.5px;color:var(--ink);border-radius:0}
.fr input:focus,.fr select:focus,.fr textarea:focus{outline:none;border-color:var(--ink)}
.fr select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8a8a8a 50%),linear-gradient(135deg,#8a8a8a 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:44px}
.fr textarea{min-height:190px;resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.fmsg{margin-top:18px;font-size:13.5px;line-height:2}
.fmsg.ok{color:#14663a}.fmsg.ng{color:#a11}

/* ── footer */
.ft{background:var(--ink);color:#cfcfcf;padding:76px 0 30px;font-size:13px}
.ft__top{display:grid;grid-template-columns:1.2fr 2fr;gap:48px;padding-bottom:46px;border-bottom:1px solid #2b2b2b}
.ft__logo{height:40px;margin-bottom:20px}
.ft__nav{display:grid;grid-template-columns:repeat(3,1fr);gap:12px 20px;list-style:none}
.ft__nav a{font-size:12.5px;letter-spacing:.08em;color:#cfcfcf}
.ft__nav a:hover{color:#fff}
.ft__b{display:flex;justify-content:space-between;align-items:center;padding-top:24px;font-size:11px;color:#8a8a8a;gap:16px;flex-wrap:wrap}

/* ── stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:46px 16px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat__n{font-size:clamp(30px,4.4vw,46px);font-weight:200;letter-spacing:.04em;line-height:1.2}
.stat__n small{font-size:13px;letter-spacing:.12em;margin-left:4px;color:var(--sub)}
.stat__l{font-size:10px;letter-spacing:.24em;color:var(--sub);margin-top:12px}

/* ── marquee */
.mq{border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:24px 0}
.mq__t{display:inline-block;white-space:nowrap;animation:mq 46s linear infinite;
  font-size:clamp(19px,3vw,32px);font-weight:200;letter-spacing:.14em;color:#c9c5c0}
.mq__t span{margin:0 24px}
@keyframes mq{to{transform:translateX(-50%)}}

/* ── split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.split__l{position:sticky;top:130px}
.split__l h3{font-size:clamp(20px,2.7vw,29px);font-weight:200;letter-spacing:.18em;line-height:2}
.split__l p{font-size:14px;line-height:2.35;color:#3a3a3a;margin-top:24px}
.split__r div{width:100%;aspect-ratio:4/3;background-size:cover;background-position:center;
  filter:grayscale(1) contrast(1.06);margin-bottom:16px;background-color:#e9e7e4;transition:.75s var(--ease)}
.split__r div:hover{filter:none}

/* ── alt split（左右交互） */
.alt{display:grid;grid-template-columns:1.05fr 1fr;gap:0 64px;align-items:center;margin-bottom:8px}
.alt:nth-child(even){grid-template-columns:1fr 1.05fr}
.alt:nth-child(even) .alt__ph{order:-1}
.alt__ph{aspect-ratio:5/4;background-size:cover;background-position:center;background-color:#ededea;
  filter:grayscale(1) contrast(1.06);transition:.8s var(--ease)}
.alt__ph:hover{filter:none}
.alt__b{padding:52px 0}
.alt__no{font-size:11px;letter-spacing:.28em;color:var(--sub)}
.alt__t{font-size:clamp(21px,2.8vw,29px);font-weight:200;letter-spacing:.16em;margin:8px 0 22px}
.alt__l{list-style:none}
.alt__l li{font-size:14.5px;line-height:1.9;padding:13px 0 13px 26px;border-bottom:1px solid var(--line);position:relative}
.alt__l li:first-child{border-top:1px solid var(--line)}
.alt__l li::before{content:"";position:absolute;left:2px;top:22px;width:12px;height:1px;background:var(--ink)}

/* ── 罫線リスト（2列・枠なし） */
.rows{border-top:1px solid var(--line)}
.row2{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:24px 0;border-bottom:1px solid var(--line);align-items:baseline}
.row2 dt{font-size:12px;letter-spacing:.22em;color:var(--sub)}
.row2 dd{font-size:15px;line-height:1.95}

/* ── 体制 */
.pair{display:grid;grid-template-columns:1fr auto 1fr;gap:34px;align-items:center;margin-top:12px}
.pair__c{padding:34px 4px}
.pair__c h4{font-size:13px;letter-spacing:.2em;margin-bottom:12px}
.pair__c p{font-size:14px;line-height:2.1;color:#3a3a3a}
.pair__x{width:1px;align-self:stretch;background:var(--line)}

/* ── group */
.grp{border-top:1px solid var(--line);padding:52px 0;display:grid;grid-template-columns:auto 1fr;gap:0 60px}
.grp:last-of-type{border-bottom:1px solid var(--line)}
.grp__en{font-size:11px;letter-spacing:.3em;color:var(--sub);writing-mode:vertical-rl;height:100%;padding-top:6px}
.grp__n{font-size:clamp(20px,2.6vw,27px);font-weight:300;letter-spacing:.1em}
.grp__biz{display:inline-block;font-size:11px;letter-spacing:.18em;border:1px solid var(--line);padding:5px 12px;margin:14px 0 20px}
.grp__catch{font-size:16px;font-weight:300;letter-spacing:.1em;margin-bottom:14px}
.grp__body{font-size:14.5px;line-height:2.15;color:#3a3a3a;max-width:640px}
.grp__meta{font-size:12.5px;color:var(--sub);margin-top:16px;line-height:1.9}
.grp__link{display:inline-block;margin-top:18px;font-size:12px;letter-spacing:.2em;border-bottom:1px solid var(--ink);padding-bottom:3px}

/* ── reveal */
.rv{opacity:0;transform:translateY(26px);transition:1s var(--ease)}
.rv.on{opacity:1;transform:none}

/* ── responsive */
@media(max-width:900px){
  .members,.members--3{grid-template-columns:repeat(2,1fr)}
  .brands{grid-template-columns:repeat(2,1fr)}
  .ft__top{grid-template-columns:1fr}
}
@media(max-width:640px){
  .sec{padding:74px 0}
  .nav ul{grid-template-columns:1fr;gap:0}
  .nav li{margin-bottom:15px}
  .nav a{font-size:17px}
  .nav a small{margin-top:3px}
  .members,.members--3{grid-template-columns:1fr}
  .brands{grid-template-columns:1fr}
  .gal{grid-template-columns:repeat(2,1fr)}
  .biz__i{grid-template-columns:1fr;gap:8px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .split{grid-template-columns:1fr;gap:30px}
  .split__l{position:static}
  .alt,.alt:nth-child(even){grid-template-columns:1fr;gap:26px}
  .alt:nth-child(even) .alt__ph{order:0}
  .alt__b{padding:0 0 28px}
  .row2{grid-template-columns:1fr;gap:6px}
  .pair{grid-template-columns:1fr;gap:0}
  .pair__x{width:auto;height:1px}
  .grp{grid-template-columns:1fr;gap:18px}
  .grp__en{writing-mode:horizontal-tb;height:auto}
  .tbl th{width:auto;display:block;border-bottom:0;padding-bottom:0}
  .tbl td{display:block;padding-top:8px}
  .news a,.news span.row{grid-template-columns:1fr;gap:4px}
  .hero__logo{height:56px}
  .job{padding:24px}
  .ft__nav{grid-template-columns:repeat(2,1fr)}
}