/* Accompound — corporate site */
:root{
  --ink:#0B0B0D;
  --ink-2:#17171A;
  --paper:#FFFFFF;
  --paper-2:#F5F5F3;
  --line:#E3E3DF;
  --line-dark:#2A2A2F;
  --muted:#6E6E75;
  --muted-dark:#9A9AA2;
  --accent:#E0512F;
  --maxw:1120px;
  --pad:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  font-feature-settings:"palt" 1;
  letter-spacing:.02em;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,11,13,.92);
  backdrop-filter:saturate(1.2) blur(10px);
  border-bottom:1px solid var(--line-dark);
  color:#fff;
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:baseline;gap:10px;font-weight:700;letter-spacing:.14em;font-size:15px}
.brand .mark{width:9px;height:9px;background:var(--accent);display:inline-block;transform:translateY(-1px)}
.nav{display:flex;gap:28px;font-size:13.5px;letter-spacing:.08em;color:#D8D8DC}
.nav a{padding:6px 0;border-bottom:1px solid transparent;transition:.18s}
.nav a:hover{color:#fff;border-bottom-color:var(--accent)}
.nav a[aria-current="page"]{color:#fff;border-bottom-color:var(--accent)}
.nav-toggle{display:none;background:none;border:1px solid var(--line-dark);color:#fff;border-radius:2px;padding:7px 11px;font-size:12px;letter-spacing:.1em;cursor:pointer}

/* ---------- hero ---------- */
.hero{background:var(--ink);color:#fff;padding:104px 0 96px;position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,var(--accent) 0 18%,var(--line-dark) 18% 100%);
}
.eyebrow{
  font-size:12px;letter-spacing:.2em;color:var(--accent);
  display:flex;align-items:center;gap:12px;margin:0 0 26px;font-weight:500;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--accent)}
.hero h1{
  font-size:clamp(32px,5.6vw,60px);line-height:1.34;letter-spacing:.01em;
  margin:0 0 28px;font-weight:700;
}
.hero .lead{font-size:clamp(15px,1.9vw,18px);color:#C9C9CF;max-width:44em;margin:0 0 14px;line-height:1.95}
.hero .sub{font-size:14px;color:var(--muted-dark);letter-spacing:.1em;margin:34px 0 0}

/* ---------- generic sections ---------- */
section{padding:88px 0}
.section-dark{background:var(--ink);color:#fff}
.section-soft{background:var(--paper-2)}
.sec-label{
  font-size:11.5px;letter-spacing:.24em;color:var(--accent);font-weight:600;margin:0 0 18px;
}
h2{font-size:clamp(23px,3.2vw,34px);line-height:1.55;margin:0 0 22px;font-weight:700;letter-spacing:.01em}
h3{font-size:18px;line-height:1.7;margin:0 0 10px;font-weight:700}
p{margin:0 0 18px}
.lead-p{font-size:17px;max-width:46em}
.muted{color:var(--muted)}
.section-dark .muted{color:var(--muted-dark)}
.narrow{max-width:50em}

/* ---------- page head (sub pages) ---------- */
.page-head{background:var(--ink);color:#fff;padding:78px 0 62px;border-bottom:1px solid var(--line-dark)}
.page-head h1{font-size:clamp(27px,4.2vw,42px);line-height:1.5;margin:0 0 16px;font-weight:700}
.page-head p{color:#C9C9CF;max-width:44em;margin:0}

/* ---------- grids ---------- */
.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:8px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid > .cell{background:var(--paper);padding:34px 30px}
.section-soft .grid > .cell{background:var(--paper-2)}
.section-dark .grid{background:var(--line-dark);border-color:var(--line-dark)}
.section-dark .grid > .cell{background:var(--ink)}
.cell .n{font-size:11.5px;letter-spacing:.2em;color:var(--accent);font-weight:600;display:block;margin-bottom:14px}
.cell p:last-child{margin-bottom:0}

/* ---------- steps ---------- */
.steps{border-top:1px solid var(--line);margin-top:10px}
.step{
  display:grid;grid-template-columns:104px 1fr;gap:28px;
  padding:34px 0;border-bottom:1px solid var(--line);align-items:start;
}
.section-dark .steps,.section-dark .step{border-color:var(--line-dark)}
.step .idx{font-size:13px;letter-spacing:.18em;color:var(--accent);font-weight:600;padding-top:5px}
.step h3{margin-bottom:8px}
.step p{margin:0;color:var(--muted)}
.section-dark .step p{color:var(--muted-dark)}

/* ---------- compare table ---------- */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-top:10px}
table{border-collapse:collapse;width:100%;min-width:660px;font-size:14.5px}
th,td{text-align:left;padding:18px 20px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{font-size:12px;letter-spacing:.14em;color:var(--muted);font-weight:600;border-bottom:1px solid var(--ink)}
tbody th{font-weight:700;white-space:nowrap}
tr.is-us td,tr.is-us th{background:var(--ink);color:#fff;border-bottom-color:var(--ink)}
tr.is-us th{color:var(--accent)}
.section-dark table th,.section-dark table td{border-bottom-color:var(--line-dark)}
.section-dark thead th{color:var(--muted-dark);border-bottom-color:#fff}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);margin-top:10px}
.stat{background:var(--ink);padding:30px 24px}
.stat .v{font-size:clamp(26px,3.4vw,36px);font-weight:700;letter-spacing:.01em;line-height:1.3;color:#fff}
.stat .v span{color:var(--accent)}
.stat .k{font-size:12.5px;color:var(--muted-dark);margin-top:8px;line-height:1.7}

/* ---------- quote / callout ---------- */
.callout{border-left:2px solid var(--accent);padding:6px 0 6px 26px;margin:34px 0;font-size:clamp(18px,2.4vw,24px);line-height:1.75;font-weight:700}

/* ---------- ladder ---------- */
.ladder{counter-reset:l;margin-top:10px;border-top:1px solid var(--line)}
.rung{display:flex;gap:22px;padding:22px 0;border-bottom:1px solid var(--line);align-items:baseline}
.rung .lv{font-size:12px;letter-spacing:.16em;color:var(--accent);font-weight:600;min-width:46px}
.rung b{font-weight:700}
.rung span.d{color:var(--muted)}

/* ---------- definition list (company info) ---------- */
.dl{border-top:1px solid var(--line);margin-top:10px}
.dl-row{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:20px 0;border-bottom:1px solid var(--line)}
.dl-row dt{font-size:13.5px;letter-spacing:.06em;color:var(--muted);margin:0}
.dl-row dd{margin:0}

/* ---------- next links ---------- */
.nextnav{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line-dark);border-top:1px solid var(--line-dark)}
.nextnav a{background:var(--ink);color:#fff;padding:40px 30px;transition:.18s}
.nextnav a:hover{background:var(--ink-2)}
.nextnav .k{font-size:11.5px;letter-spacing:.2em;color:var(--accent);font-weight:600}
.nextnav .t{font-size:19px;font-weight:700;margin-top:10px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.nextnav .t::after{content:"→";color:var(--accent);font-weight:400}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--muted-dark);padding:56px 0 40px;border-top:1px solid var(--line-dark);font-size:13.5px}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:flex-end}
.site-footer .brand{color:#fff;margin-bottom:10px}
.site-footer .fnav{display:flex;gap:22px;flex-wrap:wrap}
.site-footer .fnav a:hover{color:#fff}
.copy{font-size:12px;letter-spacing:.06em}

/* ---------- responsive ---------- */
@media (max-width:860px){
  .grid.cols-3{grid-template-columns:1fr}
  .grid.cols-2{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .nextnav{grid-template-columns:1fr}
  .dl-row{grid-template-columns:1fr;gap:4px}
  .step{grid-template-columns:1fr;gap:10px}
  .step .idx{padding-top:0}
  section{padding:64px 0}
  .hero{padding:76px 0 68px}
}
@media (max-width:680px){
  :root{--pad:20px}
  .nav{
    position:absolute;top:68px;left:0;right:0;
    background:var(--ink);border-bottom:1px solid var(--line-dark);
    flex-direction:column;gap:0;padding:8px 20px 18px;
  }
  .nav[hidden]{display:none}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line-dark)}
  .nav a:last-child{border-bottom:none}
  .nav-toggle{display:block}
  .stats{grid-template-columns:1fr}
}