/* Matrix Japan K.K. — 2026
   Palette derived from the corporate mark: cornflower blue #5F98D0 + warm accent. */

:root{
  /* brand blue ladder — 500 is the exact logo blue */
  --brand-50:#F4F9FD;
  --brand-100:#E7F1FA;
  --brand-200:#C9DFF3;
  --brand-300:#9FC5E7;
  --brand-400:#77A9DA;
  --brand-500:#5F98D0;
  --brand-600:#3F7CB6;
  --brand-700:#2E6296;
  --brand-800:#214B75;
  --brand-900:#173857;

  /* warm accent, taken from the mark's orange/red */
  --warm:#DD5F2B;        /* fills & borders */
  --warm-ink:#B8481A;    /* warm on light surfaces — 5.3:1 on white */
  --warm-lo:#F5A05A;     /* warm on blue surfaces */
  --warm-pale:#FFDCC0;   /* warm micro-labels on blue — 4.9:1 */
  --warm-deep:#B94818;

  --ink:#152a3f;
  --ink-soft:#3f556b;
  --muted:#5A7290;

  --line:#D8E3ED;
  --line-soft:#E9F0F6;
  --paper:#fff;

  /* legacy aliases so inline var() usage keeps working */
  --accent:var(--warm-ink);
  --azure:var(--brand-500);
  --azure-lo:var(--brand-200);
  --navy:var(--brand-800);
  --sand:var(--brand-50);
  --sky:var(--brand-100);

  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  --sans:"Helvetica Neue",Helvetica,Arial,sans-serif;
  --wide:.16em;
  --hdr:80px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}

.wrap{max-width:1180px;margin:0 auto;padding:0 40px}
.narrow{max-width:840px}

h1,h2,h3,h4{font-family:var(--serif);font-weight:400;letter-spacing:-.012em;color:var(--ink)}
h1{font-size:clamp(2.5rem,5vw,4.3rem);line-height:1.08}
h2{font-size:clamp(2rem,3.2vw,2.9rem);line-height:1.18}
h3{font-size:1.35rem;line-height:1.3}
p{margin-bottom:1.1em;color:var(--ink-soft)}
p:last-child{margin-bottom:0}
a{color:inherit}
em{font-style:italic}

.eyebrow{
  font-size:.7rem;letter-spacing:var(--wide);text-transform:uppercase;
  color:var(--warm-ink);font-weight:600;margin-bottom:1.4rem;display:block;
}
.eyebrow.on-dark{color:var(--brand-200)}
.lede{font-family:var(--serif);font-size:1.5rem;line-height:1.45;color:var(--ink)}
.rule{width:60px;height:3px;background:var(--brand-500);margin:1.9rem 0}

/* ---------- header ---------- */
header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(90deg,var(--brand-900) 0%,var(--brand-800) 100%);
  border-bottom:3px solid var(--brand-500);
}
.bar{
  display:flex;align-items:center;justify-content:space-between;
  gap:clamp(24px,3vw,64px);height:var(--hdr);
}
/* logo keeps its own space — never shrinks into the nav */
.logo{flex:0 0 auto;display:flex;align-items:center;line-height:0}
.logo img{height:32px;width:auto;display:block}
nav{flex:0 1 auto;min-width:0;display:flex;justify-content:flex-end}
nav ul{
  display:flex;flex-wrap:nowrap;align-items:center;list-style:none;
  gap:clamp(18px,2.1vw,30px);
}
nav li{flex:0 0 auto}
nav a{
  display:block;white-space:nowrap;text-decoration:none;
  font-size:clamp(.72rem,1.05vw,.78rem);letter-spacing:.07em;text-transform:uppercase;
  color:#CBE0F3;font-weight:600;padding:6px 0 4px;
  border-bottom:2px solid transparent;transition:color .18s,border-color .18s;
}
nav a:hover{color:#fff;border-bottom-color:rgba(255,255,255,.35)}
nav a.active{color:#fff;border-bottom-color:var(--warm-lo)}
.menu-btn{display:none;background:none;border:0;font-size:1.5rem;line-height:1;cursor:pointer;color:#fff;padding:6px}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(152deg,var(--brand-800) 0%,var(--brand-700) 45%,var(--brand-600) 72%,var(--brand-500) 100%);
  padding:120px 0 112px;
}
/* readability scrim over the copy column only — the photo side stays bright */
.hero::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(100deg,rgba(23,56,87,.55) 0%,rgba(23,56,87,.18) 46%,rgba(23,56,87,0) 68%)}
.hero h1{color:#fff;max-width:15ch;position:relative;z-index:2}
.hero .est{display:block;font-size:.7rem;letter-spacing:.34em;text-transform:uppercase;color:#CFE5F8;margin-bottom:2.2rem;position:relative;z-index:2}
.hero .sub{margin-top:2rem;font-size:1.18rem;color:#E9F2FB;max-width:54ch;position:relative;z-index:2}
.hero .rule{background:var(--warm-lo);position:relative;z-index:2}
.hero .arcs{position:absolute;top:-10%;right:-8%;width:760px;height:760px;opacity:.6;z-index:0;pointer-events:none}
.hero-split{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero-photo{position:relative}
.hero-photo img{width:100%;aspect-ratio:4/3.4;object-fit:cover;border-radius:3px;border-top:4px solid var(--warm-lo)}
@media(max-width:900px){
  .hero-split{grid-template-columns:1fr;gap:36px}
  .hero-photo img{aspect-ratio:16/10}
}

.phero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(150deg,var(--brand-800) 0%,var(--brand-700) 50%,var(--brand-600) 100%);
  padding:96px 0 86px;
}
.phero::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(100deg,rgba(23,56,87,.52) 0%,rgba(23,56,87,.32) 62%,rgba(23,56,87,.24) 100%)}
.phero h1{color:#fff;max-width:19ch;position:relative;z-index:2}
.phero .sub{margin-top:1.5rem;font-size:1.12rem;color:#E9F2FB;max-width:60ch;position:relative;z-index:2}
.phero .eyebrow{color:#CFE5F8;position:relative;z-index:2}
.phero .arcs{position:absolute;top:-40%;right:-6%;width:640px;height:640px;opacity:.5;z-index:0;pointer-events:none}

/* ---------- sections ---------- */
section{padding:92px 0}
section.tight{padding:66px 0}
.dark{
  background:linear-gradient(150deg,var(--brand-900) 0%,var(--brand-800) 100%);
  color:#DCE9F6;border-top:3px solid var(--brand-500);
}
.dark h1,.dark h2,.dark h3{color:#fff}
.dark p{color:#DCE9F6}
.sandbg{background:var(--brand-50)}
.skybg{background:var(--brand-100)}

/* ---------- grids ---------- */
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:56px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.split{display:grid;grid-template-columns:1fr 1.55fr;gap:72px;align-items:start}

/* business cards */
.biz{
  background:rgba(23,56,87,.34);border-radius:3px;padding:34px 30px 30px;
  border:1px solid rgba(255,255,255,.14);border-top:4px solid var(--warm-lo);position:relative;
}
.biz:nth-child(2){border-top-color:var(--brand-200)}
.biz:nth-child(3){border-top-color:#E9C3A2}
.biz .n{font-family:var(--serif);font-style:italic;font-size:1.6rem;color:var(--brand-200);display:block;margin-bottom:.6rem}
.biz:nth-child(1) .n{color:var(--warm-lo)}
.biz:nth-child(3) .n{color:#E9C3A2}
.biz h3{color:#fff;margin-bottom:.8rem}
.biz p{font-size:.95rem;color:#DCE9F6}
.biz .cov{margin-top:1.3rem;padding-top:1.1rem;border-top:1px solid rgba(255,255,255,.18);font-size:.76rem;letter-spacing:.04em;color:#D3E3F2;line-height:1.75}

/* principles */
.prin{border-top:2px solid var(--brand-500);padding-top:20px}
.prin dt{font-size:.72rem;letter-spacing:var(--wide);text-transform:uppercase;color:var(--warm-ink);font-weight:600;margin-bottom:.5rem}
.prin dd{font-size:.95rem;color:var(--ink-soft)}
.dark .prin{border-top-color:var(--brand-300)}
.dark .prin dt{color:var(--warm-pale)}
.dark .prin dd{color:#DCE9F6}

/* sector cards */
.sector{background:#fff;border-radius:3px;padding:28px 26px;border-left:4px solid var(--brand-600);box-shadow:0 1px 2px rgba(33,75,117,.06)}
.sector:nth-child(2){border-left-color:var(--brand-400)}
.sector:nth-child(3){border-left-color:var(--warm)}
.sector:nth-child(4){border-left-color:var(--brand-700)}
.sector:nth-child(5){border-left-color:var(--brand-300)}
.sector:nth-child(6){border-left-color:var(--brand-800)}
.sector h3{font-size:1.18rem;margin-bottom:.55rem}
.sector p{font-size:.93rem}

/* stat band */
.band{background:linear-gradient(180deg,var(--brand-100),var(--brand-50));padding:66px 0;border-top:1px solid var(--brand-200);border-bottom:1px solid var(--brand-200)}
.band .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;text-align:center}
.band .big{font-family:var(--serif);font-size:clamp(2.6rem,5vw,3.8rem);line-height:1;color:var(--brand-700)}
.band .cap{margin-top:.8rem;font-size:.7rem;letter-spacing:var(--wide);text-transform:uppercase;color:var(--brand-800)}

/* logo wall */
.logos{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.logos div{background:#fff;display:flex;align-items:center;justify-content:center;padding:36px 28px;min-height:150px}
.logos img{max-width:190px;max-height:62px;width:auto;height:auto;filter:grayscale(1);opacity:.62;transition:filter .3s,opacity .3s,transform .3s}
.logos div:hover img{filter:grayscale(0);opacity:1;transform:scale(1.04)}

/* two-image hub row */
.hubrow{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--brand-200);border-top:4px solid var(--brand-500)}
.hubtile{position:relative;height:420px;background-size:cover;background-position:center}
.hubtile .lbl{position:absolute;left:0;right:0;bottom:0;padding:20px 30px;background:linear-gradient(transparent,rgba(23,56,87,.85))}
.hubtile .lbl span{color:#fff;font-size:.72rem;letter-spacing:var(--wide);text-transform:uppercase;font-weight:600}
@media(max-width:900px){.hubrow{grid-template-columns:1fr}.hubtile{height:260px}}

/* photo band */
.photoband{position:relative;height:440px;background-size:cover;background-position:center;border-top:4px solid var(--brand-500)}
.photoband-cap{position:absolute;left:0;bottom:0;right:0;padding:20px 40px;background:linear-gradient(transparent,rgba(23,56,87,.8))}
.photoband-cap span{color:#fff;font-size:.72rem;letter-spacing:var(--wide);text-transform:uppercase;font-weight:600}
@media(max-width:900px){.photoband{height:280px}.photoband-cap{padding:16px 24px}}

/* hub with image */
.hubs .hubimg{padding:0;background-size:cover;background-position:center;min-height:300px;position:relative}
.hubs .hubimg .lbl{position:absolute;left:0;bottom:0;right:0;padding:22px 30px;background:linear-gradient(transparent,rgba(23,56,87,.82))}
.hubs .hubimg .lbl .city{color:#fff;margin-bottom:0}
.hubs .hubimg .lbl .jp{color:var(--brand-200)}

/* glance */
.glance{list-style:none;border-top:2px solid var(--brand-500)}
.glance li{display:grid;grid-template-columns:190px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--line-soft);font-size:.94rem}
.glance .k{font-size:.7rem;letter-spacing:var(--wide);text-transform:uppercase;color:var(--muted);font-weight:600;padding-top:3px}
.glance .v{color:var(--ink)}

/* tags */
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin-top:1.6rem}
.tags li{border:1px solid var(--line);border-radius:2px;padding:9px 16px;font-size:.82rem;color:var(--ink-soft);background:#fff}
.dark .tags li{border-color:rgba(255,255,255,.24);background:rgba(255,255,255,.1);color:#EAF3FB}

/* hubs */
.hubs{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--brand-200)}
.hubs > div{padding:44px 40px;background:#fff}
.hubs > div:first-child{border-right:1px solid var(--brand-200);background:var(--brand-50)}
.hubs .city{font-family:var(--serif);font-size:2rem;margin-bottom:.2rem}
.hubs .jp{font-size:.8rem;color:var(--muted);letter-spacing:.1em;margin-bottom:1.2rem}
.hubs p{font-size:.95rem}

/* team */
.team{display:grid;grid-template-columns:repeat(3,1fr);gap:52px 40px}
.member img,.member .ph{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:3px;background:var(--brand-100);transition:transform .35s}
.member:hover img{transform:scale(1.02)}
.member .ph{display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:2.6rem;color:var(--brand-600);border:1px solid var(--brand-200)}
.member .role{margin-top:1.1rem;font-size:.7rem;letter-spacing:var(--wide);text-transform:uppercase;color:var(--warm-ink);font-weight:600}
.member .name{font-family:var(--serif);font-size:1.3rem;margin-top:.35rem}
.member .cred{font-size:.82rem;color:var(--muted);margin-top:.5rem;line-height:1.55}

/* bio */
.bio{border-top:1px solid var(--line);padding:56px 0}
.bio:first-of-type{border-top:0}
.bio .hd{display:flex;gap:22px;align-items:baseline;flex-wrap:wrap;margin-bottom:1.6rem}
.bio h3{font-size:1.8rem}
.bio .r{font-size:.72rem;letter-spacing:var(--wide);text-transform:uppercase;color:var(--warm-ink);font-weight:600}
.bio p{font-size:.97rem}
.bio .edu{margin-top:1.4rem;padding-top:1.2rem;border-top:2px solid var(--brand-500);font-size:.85rem;color:var(--muted);line-height:1.8}

/* contact */
.cblock{margin-bottom:2.6rem}
.cblock .k{font-size:.7rem;letter-spacing:var(--wide);text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:.6rem}
.cblock .v{font-size:1.05rem;color:var(--ink)}
.cblock .v a{color:var(--brand-700);text-decoration:none;border-bottom:1px solid var(--brand-300)}
.cblock .v a:hover{border-bottom-color:var(--brand-700)}
.jp{font-size:.9rem;color:var(--muted);margin-top:.5rem;line-height:1.7}

/* form */
.form label{display:block;font-size:.7rem;letter-spacing:var(--wide);text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:.5rem}
.form input,.form textarea{
  width:100%;padding:14px 16px;margin-bottom:1.5rem;
  border:1px solid var(--line);border-radius:2px;background:#fff;
  font-family:var(--sans);font-size:1rem;color:var(--ink);
  transition:border-color .18s,box-shadow .18s;
}
.form input:focus,.form textarea:focus{outline:0;border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100)}
.form textarea{min-height:150px;resize:vertical}
.form button{
  padding:16px 36px;background:var(--brand-700);border:1px solid var(--brand-700);color:#fff;
  font-family:var(--sans);font-size:.75rem;letter-spacing:var(--wide);text-transform:uppercase;
  font-weight:600;cursor:pointer;transition:background .2s,border-color .2s;
}
.form button:hover{background:var(--brand-800);border-color:var(--brand-800)}
.form .hp{position:absolute;left:-9999px}
.form .note{font-size:.8rem;color:var(--muted);margin-top:1rem}

/* cta */
.cta{text-align:center;padding:100px 0}
.cta h2{max-width:20ch;margin:0 auto 1.6rem}
.btn{display:inline-block;margin-top:1.2rem;padding:16px 36px;background:var(--brand-700);border:1px solid var(--brand-700);color:#fff;text-decoration:none;font-size:.75rem;letter-spacing:var(--wide);text-transform:uppercase;font-weight:600;transition:background .2s,border-color .2s,color .2s}
.btn:hover{background:var(--brand-800);border-color:var(--brand-800)}
.dark .btn{background:#fff;border-color:#fff;color:var(--brand-800)}
.dark .btn:hover{background:var(--brand-100);border-color:var(--brand-100);color:var(--brand-900)}

/* footer */
footer{background:var(--brand-900);color:#A9C4DE;padding:76px 0 36px;font-size:.86rem;border-top:4px solid var(--brand-500)}
footer .top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(159,197,231,.22)}
footer .fl{color:#fff;font-family:var(--serif);font-size:1.25rem;margin-bottom:1rem}
footer h4{font-family:var(--sans);font-size:.7rem;letter-spacing:var(--wide);text-transform:uppercase;color:var(--brand-200);font-weight:600;margin-bottom:1.1rem}
footer ul{list-style:none}
footer li{margin-bottom:.6rem}
footer a{color:#A9C4DE;text-decoration:none}
footer a:hover{color:#fff}
footer .legal{padding-top:32px;font-size:.76rem;color:#93AECA;line-height:1.9}

/* ---------- nav collapses before the labels can crowd the logo ---------- */
@media(max-width:1120px){
  nav ul{display:none}
  nav ul.open{
    display:flex;flex-direction:column;align-items:stretch;
    position:absolute;top:var(--hdr);left:0;right:0;
    background:var(--brand-800);border-bottom:3px solid var(--brand-500);
    padding:10px 24px 20px;gap:0;
    max-height:calc(100vh - var(--hdr));overflow-y:auto;
  }
  nav ul.open li{border-bottom:1px solid rgba(255,255,255,.12)}
  nav ul.open li:last-child{border-bottom:0}
  nav ul.open a{font-size:.8rem;letter-spacing:.1em;padding:15px 0;border-bottom:0}
  nav ul.open a.active{color:#fff}
  .menu-btn{display:block}
}

@media(max-width:900px){
  :root{--hdr:66px}
  .wrap{padding:0 24px}
  .logo img{height:28px}
  .g2,.g3,.split,.team,.hubs,.band .wrap{grid-template-columns:1fr;gap:32px}
  .logos{grid-template-columns:repeat(2,1fr)}
  .hubs > div:first-child{border-right:0;border-bottom:1px solid var(--brand-200)}
  footer .top{grid-template-columns:1fr}
  .glance li{grid-template-columns:1fr;gap:4px}
  section{padding:64px 0}
  .hero{padding:72px 0 68px}
  .phero{padding:64px 0 58px}
  .band{padding:52px 0}
  .cta{padding:72px 0}
  .hero .arcs,.phero .arcs{display:none}
}