:root{
  --text:#0c1a2b;
  --muted:#4a617a;
  --line: rgba(15,30,50,.10);
  --glass: rgba(255,255,255,.62);
  --glass2: rgba(255,255,255,.46);
  --shadow: 0 18px 60px rgba(10,20,40,.10);
  --shadow2: 0 10px 30px rgba(10,20,40,.10);
  --accent:#2f6df6;
  --accent2:#22c7a6;
  --radius:20px;
  --radius2:28px;
  --max:1120px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Arial, sans-serif;
  color:var(--text);
  overflow-x:hidden;
  background: #f6f7f9 url("./marble.jpg") center/cover fixed no-repeat;
}
body::before{
  content:"";
  position:fixed; inset:-30%;
  pointer-events:none;
  z-index:-1;
  background:
    radial-gradient(900px 650px at 22% 30%, rgba(47,109,246,.12), transparent 60%),
    radial-gradient(850px 600px at 78% 20%, rgba(34,199,166,.10), transparent 60%),
    radial-gradient(1000px 800px at 60% 85%, rgba(47,109,246,.08), transparent 60%);
  filter: blur(14px);
  opacity:.85;
  animation: drift 18s var(--ease) infinite alternate;
}
body::after{
  content:"";
  position:fixed; inset:-35%;
  pointer-events:none;
  z-index:-1;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.55) 35%, transparent 58%);
  transform: rotate(10deg);
  opacity:.22;
  animation: sweep 14s var(--ease) infinite;
}
@keyframes drift{0%{transform:translate3d(-12px,-10px,0) scale(1.02)}100%{transform:translate3d(14px,10px,0) scale(1.05)}}
@keyframes sweep{0%{transform:translate3d(-12%,-8%,0) rotate(10deg)}60%{transform:translate3d(10%,8%,0) rotate(10deg)}100%{transform:translate3d(14%,10%,0) rotate(10deg)}}
a{color:inherit;text-decoration:none}
small{color:var(--muted)}
img{max-width:100%;display:block}
.container{width:min(var(--max), calc(100% - 40px)); margin:0 auto}

/* topbar */
.topbar{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(16px);
  background: linear-gradient(180deg, rgba(255,255,255,.90), rgba(255,255,255,.65));
  border-bottom:1px solid var(--line);
}
.nav{display:flex; align-items:center; justify-content:space-between; padding:14px 0; gap:16px;}
.brand{display:flex; align-items:center; gap:12px; min-width:220px}
.brand .mark{width:40px; height:40px}
.brand-title{font-weight:900; letter-spacing:.02em; line-height:1.1}
.brand-sub{font-size:12px; color:var(--muted)}
.menu{display:flex; align-items:center; gap:14px}
.menu a{
  font-size:14px; color:var(--muted);
  padding:10px 10px; border-radius:12px;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.menu a:hover{background:rgba(15,30,50,.06); color:var(--text)}
.menu .pill{
  color:var(--text);
  border:1px solid rgba(15,30,50,.14);
  background:rgba(255,255,255,.70);
}
.menu .pill:hover{background:rgba(255,255,255,.90)}
.hamburger{display:none; border:0; background:transparent; color:var(--text); padding:10px; border-radius:14px}
.hamburger:hover{background:rgba(15,30,50,.06)}
.hamburger svg{width:22px;height:22px}

/* mobile drawer */
.mobile-drawer{display:none; position:fixed; inset:0; z-index:80; background:rgba(0,0,0,.18)}
.mobile-panel{
  position:absolute; top:0; right:0; height:100%; width:min(420px, 92vw);
  background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.90));
  border-left:1px solid var(--line);
  box-shadow: var(--shadow);
  transform: translateX(100%);
  transition: transform .25s var(--ease);
  padding:18px;
}
.mobile-drawer.open{display:block}
.mobile-drawer.open .mobile-panel{transform: translateX(0)}
.mobile-panel .mhead{display:flex; justify-content:space-between; align-items:center; margin-bottom:12px}
.mobile-panel a{
  display:block;
  padding:14px 12px;
  border-radius:14px;
  color:var(--muted);
  border:1px solid rgba(15,30,50,.10);
  background:rgba(255,255,255,.70);
  margin:10px 0;
}
.mobile-panel a.primary{
  color:var(--text);
  border-color: rgba(47,109,246,.25);
  background: linear-gradient(135deg, rgba(47,109,246,.12), rgba(34,199,166,.10));
}
.mobile-panel a:hover{background:rgba(255,255,255,.92); color:var(--text)}
.xbtn{border:1px solid rgba(15,30,50,.10); background:rgba(255,255,255,.78); color:var(--text); padding:10px 12px; border-radius:14px;}
.xbtn:hover{background:rgba(255,255,255,.94)}

/* hero */
.hero{padding:76px 0 38px}
.hero-grid{display:grid; grid-template-columns: 1.15fr .85fr; gap:26px; align-items:stretch}
h1{margin:18px 0 12px; font-size: clamp(34px, 4vw, 58px); line-height:1.05; letter-spacing:-.02em;}
.lead{color:var(--muted); font-size:16px; line-height:1.95; max-width: 58ch}
.hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:18px}
.btn{display:inline-flex; align-items:center; justify-content:center; gap:10px; border-radius:16px; padding:12px 14px; font-weight:800; border:1px solid rgba(15,30,50,.12); background:rgba(255,255,255,.78); transition: transform .15s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease); box-shadow: 0 10px 22px rgba(10,20,40,.06);}
.btn:hover{transform: translateY(-1px); background:rgba(255,255,255,.94)}
.btn.primary{border-color: rgba(47,109,246,.25); background: linear-gradient(135deg, rgba(47,109,246,.14), rgba(34,199,166,.12));}
.btn.primary:hover{box-shadow: 0 16px 32px rgba(47,109,246,.12)}
.btn svg{width:18px;height:18px}

.hero-card{border-radius: var(--radius2); border:1px solid rgba(255,255,255,.35); background: linear-gradient(180deg, var(--glass), var(--glass2)); backdrop-filter: blur(14px); box-shadow: var(--shadow); padding:18px; position:relative; overflow:hidden;}
.hero-card::before{content:""; position:absolute; inset:-80px -80px auto auto; width:260px; height:260px; background: radial-gradient(circle at 30% 30%, rgba(47,109,246,.18), transparent 60%); transform: rotate(18deg);}
.hero-card h3{margin:8px 0 8px; font-size:18px}
.hero-card p{margin:0; color:var(--muted); line-height:1.85; font-size:14px}

.brand-hero{display:flex; align-items:center; gap:14px; margin-top:2px;}
.brand-hero .mark{width:64px; height:64px}
.brand-hero .name{font-weight:900; font-size:40px; letter-spacing:-.02em}
.brand-hero .desc{color:var(--muted); margin-top:4px; font-size:14px}

/* sections */
.section{padding:56px 0}
.section-head{display:flex; align-items:flex-end; justify-content:space-between; gap:16px; margin-bottom:18px}
.section h2{margin:0; font-size: clamp(22px, 2.3vw, 30px); letter-spacing:-.01em}
.section .sub{margin:6px 0 0; color:var(--muted); line-height:1.8; max-width: 70ch; font-size:14px}
.grid-3{display:grid; grid-template-columns: repeat(3, 1fr); gap:14px}
.grid-2{display:grid; grid-template-columns: repeat(2, 1fr); gap:14px}
.latest-grid{display:grid; grid-template-columns: repeat(2, 1fr); gap:14px}

.card{border-radius: var(--radius); border:1px solid rgba(255,255,255,.35); background: linear-gradient(180deg, var(--glass), var(--glass2)); backdrop-filter: blur(14px); box-shadow: var(--shadow2); padding:18px;}
.card .eyebrow{color:var(--muted); font-size:12px; letter-spacing:.12em; text-transform:uppercase}
.card h3{margin:10px 0 8px; font-size:18px}
.card p{margin:0; color:var(--muted); line-height:1.8; font-size:14px}

.notice{border-radius: var(--radius); border:1px dashed rgba(15,30,50,.18); background: rgba(255,255,255,.70); backdrop-filter: blur(10px); padding:16px 16px; color:var(--muted); line-height:1.8; font-size:14px;}

/* jobs */
.jobs{display:grid; grid-template-columns: repeat(12, 1fr); gap:14px}
.job{grid-column: span 6; border-radius: var(--radius); border:1px solid rgba(255,255,255,.35); background: linear-gradient(180deg, var(--glass), var(--glass2)); backdrop-filter: blur(14px); box-shadow: var(--shadow2); padding:18px;}
.job h3{margin:0 0 8px}
.job ul{margin:10px 0 0; padding-left:18px; color:var(--muted); line-height:1.8; font-size:14px}
.job .row{display:flex; flex-wrap:wrap; gap:8px; margin-top:10px}
.job .apply{margin-top:14px; width:100%}
.tag{font-size:12px; color:var(--muted); padding:8px 10px; border-radius:999px; border:1px solid rgba(15,30,50,.12); background:rgba(255,255,255,.72);}

/* filter */
.filters{display:flex; flex-wrap:wrap; gap:10px; align-items:center; margin:12px 0 16px}
.searchbox{flex: 1 1 220px; display:flex; align-items:center; gap:10px; border-radius:16px; border:1px solid rgba(15,30,50,.12); background:rgba(255,255,255,.78); padding:10px 12px;}
.searchbox input{width:100%; border:0; outline:0; background:transparent; color:var(--text); font-size:14px;}
.chips{display:flex; flex-wrap:wrap; gap:8px}
.chip{border-radius:999px; padding:10px 12px; border:1px solid rgba(15,30,50,.12); background:rgba(255,255,255,.72); color:var(--muted); font-size:13px; cursor:pointer; user-select:none;}
.chip.active{color:var(--text); border-color: rgba(47,109,246,.25); background: rgba(47,109,246,.12);}

/* slider */
.slider{border-radius: var(--radius2); border:1px solid rgba(255,255,255,.35); background: linear-gradient(180deg, var(--glass), var(--glass2)); backdrop-filter: blur(14px); overflow:hidden; box-shadow: var(--shadow2);}
.slider-viewport{position:relative; aspect-ratio: 16/9; background: rgba(255,255,255,.62)}
.slider-track{display:flex; height:100%; transition: transform .35s var(--ease)}
.slide{min-width:100%; height:100%}
.slide img{width:100%; height:100%; object-fit:cover}
.slide-fallback{width:100%; height:100%; display:flex; align-items:center; justify-content:center; color:var(--muted); font-weight:900}
.slider-controls{display:flex; justify-content:space-between; align-items:center; gap:10px; padding:12px}
.slider-btn{border:1px solid rgba(15,30,50,.12); background:rgba(255,255,255,.78); color:var(--text); border-radius:14px; padding:10px 12px; cursor:pointer;}
.slider-btn:hover{background:rgba(255,255,255,.94)}
.dots{display:flex; gap:8px; flex-wrap:wrap; justify-content:center}
.dot{width:10px; height:10px; border-radius:999px; border:1px solid rgba(15,30,50,.18); background:rgba(255,255,255,.78); cursor:pointer;}
.dot.active{border-color: rgba(47,109,246,.35); background: rgba(47,109,246,.28)}

/* footer */
.footer{border-top:1px solid rgba(15,30,50,.10); padding:22px 0 54px; color:var(--muted)}
.footgrid{display:flex; flex-wrap:wrap; gap:14px; justify-content:space-between; align-items:flex-start}
.footlinks{display:flex; flex-wrap:wrap; gap:10px}
.footlinks a{color:var(--muted); border:1px solid rgba(15,30,50,.10); background:rgba(255,255,255,.70); padding:10px 12px; border-radius:14px;}
.footlinks a:hover{background:rgba(255,255,255,.92); color:var(--text)}

/* reveal */
.reveal{opacity:0; transform: translateY(10px); transition: opacity .55s var(--ease), transform .55s var(--ease)}
.reveal.show{opacity:1; transform: translateY(0)}

/* mobile */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .latest-grid{grid-template-columns:1fr}
  .job{grid-column: span 12}
  .menu{display:none}
  .hamburger{display:inline-flex}
}