/* Tokyo Modulation Brain Institute - static rebuild */
:root{
  --blue:#1f3a8a;
  --blue-dark:#16296b;
  --ink:#1c1c1e;
  --body:#3a3f4a;
  --muted:#6b7280;
  --line:#e5e7eb;
  --bg:#ffffff;
  --bg-soft:#f6f7f9;
  --card:#ffffff;
  --card-dark:#0d0f12;
  --maxw:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  color:var(--body);
  background:var(--bg);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;}
a:hover{text-decoration:underline;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
.skip{position:absolute;left:-9999px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(6px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:88px;}
.brand{display:flex;align-items:center;gap:14px;}
.brand img{width:78px;height:78px;}
.brand .brand-name{
  font-weight:700;color:var(--blue);line-height:1.15;
  font-size:16px;letter-spacing:.06em;text-transform:uppercase;
}
.brand:hover{text-decoration:none;}
.nav{display:flex;align-items:center;gap:44px;}
.nav a{color:var(--ink);font-size:15px;font-weight:500;}
.nav a:hover{color:var(--blue);text-decoration:none;}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--ink);margin:5px 0;transition:.25s;}

/* ---------- Hero (home) ---------- */
.hero{padding:72px 0 96px;}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.hero h1{font-size:46px;line-height:1.25;color:var(--ink);margin:0 0 26px;font-weight:700;}
.hero p{font-size:15px;color:var(--body);margin:0 0 34px;}
.hero-img{border-radius:16px;overflow:hidden;box-shadow:0 24px 60px rgba(15,23,42,.18);}
.hero-img img{width:100%;height:auto;}
.btn{
  display:inline-block;border:1px solid var(--ink);color:var(--ink);
  padding:14px 30px;font-size:14px;font-weight:500;border-radius:2px;background:transparent;
  transition:.2s;cursor:pointer;
}
.btn:hover{background:var(--ink);color:#fff;text-decoration:none;}

/* ---------- Sections ---------- */
section{padding:64px 0;}
.section-tight{padding:40px 0;}
h2{font-size:34px;color:var(--ink);font-weight:700;line-height:1.4;margin:0 0 24px;}
h2.jumbo{font-size:44px;}
h3{font-size:22px;color:var(--ink);font-weight:700;margin:0 0 16px;}
p{margin:0 0 18px;}
.lead{font-size:22px;color:var(--ink);font-weight:400;line-height:1.7;}
.big-statement{font-size:clamp(28px,4vw,46px);line-height:1.5;color:var(--ink);font-weight:700;margin:0;}

.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split.rev .txt{order:2;}
.split.rev .media{order:1;}
/* images plus grandes (research) */
.split.img-lg{grid-template-columns:0.82fr 1.18fr;gap:64px;}
.media{border-radius:14px;overflow:hidden;box-shadow:0 18px 44px rgba(15,23,42,.16);}
.media img{width:100%;height:100%;display:block;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.2,1);}
.split.img-lg .media img{min-height:400px;}
.media:hover img{transform:scale(1.06);}
.txt-narrow{max-width:620px;}

/* ---------- Cards (research/tech) ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.info-card{
  border-radius:14px;padding:28px 24px;min-height:280px;
  background:var(--bg-soft);box-shadow:0 8px 24px rgba(15,23,42,.06);
  transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s;
}
.info-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(15,23,42,.14);}
.info-card.dark{background:var(--card-dark);color:#d7dade;}
.info-card h3{margin-bottom:18px;}
.info-card.dark h3{color:#fff;}
.info-card p{font-size:13.5px;line-height:1.9;margin:0;}

/* keydata */
.keydata{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.keydata .num{font-size:52px;font-weight:700;color:var(--blue);line-height:1;}
.keydata .lbl{font-size:15px;color:var(--body);margin-top:10px;}

/* partners */
.partners{display:flex;flex-wrap:nowrap;gap:44px;align-items:center;justify-content:center;overflow-x:auto;}
.partners img{max-height:84px;width:auto;flex:0 0 auto;opacity:.85;filter:grayscale(15%);}

/* ---------- Team grid ---------- */
.team-title{font-size:clamp(26px,3.6vw,40px);font-weight:700;color:var(--ink);margin:8px 0 44px;}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.member{
  background:#fff;border-radius:14px;overflow:hidden;
  box-shadow:0 10px 30px rgba(15,23,42,.10);text-align:center;
  transition:transform .2s, box-shadow .2s;display:block;color:inherit;
}
.member:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(15,23,42,.16);text-decoration:none;}
.member .m-body{padding:22px 16px 6px;}
.member .m-name{font-size:19px;font-weight:700;color:var(--ink);margin:0 0 8px;}
.member .m-role{font-size:13px;color:var(--muted);line-height:1.6;min-height:42px;}
.member .m-photo{width:100%;aspect-ratio:206/249;object-fit:cover;object-position:top center;background:#eef0f3;}

/* ---------- Profile page ---------- */
.profile-head{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:start;padding-top:56px;}
.profile-photo{width:100%;border-radius:10px;box-shadow:0 14px 34px rgba(15,23,42,.16);background:#eef0f3;}
.profile-name{font-size:34px;font-weight:700;color:var(--ink);margin:6px 0 6px;}
.profile-role{font-size:17px;color:var(--body);margin:0 0 22px;padding-bottom:18px;border-bottom:1px solid var(--line);}
.profile-body h3{border-bottom:1px solid var(--line);padding-bottom:12px;margin-top:44px;}
.profile-body p{font-size:15px;}
.haiku{font-style:normal;color:var(--body);}
.haiku span{display:block;}

/* gate */
.gate-banner{
  background:#000;color:#fff;text-align:center;font-weight:500;
  padding:20px 24px;font-size:15.5px;border-radius:2px;margin:40px 0 34px;
}
.gate-form{display:flex;gap:16px;justify-content:center;align-items:center;flex-wrap:wrap;margin-bottom:16px;}
.gate-form input[type=password]{
  width:280px;max-width:100%;padding:14px 16px;font-size:15px;
  border:1px solid #cfd3da;border-radius:2px;font-family:inherit;
}
.gate-form button{
  background:#000;color:#fff;border:0;padding:15px 30px;font-size:16px;font-weight:700;
  cursor:pointer;border-radius:2px;font-family:inherit;
}
.gate-form button:hover{background:#222;}
.gate-error{color:#c0261c;text-align:center;font-size:14px;min-height:20px;margin:6px 0 0;}
.gate-reset{display:block;max-width:520px;margin:18px auto 0;padding:12px 20px;
  background:#fff;border:1px solid #d0d0d0;border-radius:4px;
  color:#8a8a8a;font-family:inherit;font-size:15px;text-align:center;cursor:pointer;transition:background .15s;}
.gate-reset:hover{background:#f6f6f6;}
.gate-hint{max-width:520px;margin:18px auto 0;padding:18px 24px;text-align:center;
  background:#fdf0e0;border:1px solid #f5a623;border-radius:4px;
  color:#f5a623;font-weight:700;font-style:italic;font-size:19px;}
.gate-hint[hidden]{display:none;}
.protected{margin-top:24px;}
[hidden]{display:none !important;}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:56px 0 40px;margin-top:40px;}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;align-items:start;}
.footer-brand{display:flex;align-items:center;gap:14px;}
.footer-brand img{width:64px;height:64px;}
.footer-brand .brand-name{font-weight:700;color:var(--blue);font-size:15px;letter-spacing:.05em;text-transform:uppercase;line-height:1.2;}
.footer-col h4{font-size:15px;color:var(--ink);font-weight:700;margin:0 0 16px;letter-spacing:.35em;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--body);font-size:14px;}
.footer-col p{font-size:14px;color:var(--body);margin:0;}
.copyright{color:var(--muted);font-size:13px;margin-top:44px;}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .wrap{padding:0 20px;}
  .nav{
    position:absolute;top:88px;left:0;right:0;flex-direction:column;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s ease;
  }
  .nav.open{max-height:320px;}
  .nav a{width:100%;padding:16px 24px;border-top:1px solid var(--line);}
  .nav-toggle{display:block;}
  .hero-grid,.split,.profile-head{grid-template-columns:1fr;gap:32px;}
  .split.rev .txt{order:1;}.split.rev .media{order:2;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .team-grid{grid-template-columns:repeat(2,1fr);}
  .keydata{grid-template-columns:repeat(2,1fr);gap:32px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .hero h1{font-size:34px;}
  .profile-head{max-width:520px;}
  .profile-photo{max-width:280px;}
}
@media(max-width:520px){
  .card-grid,.team-grid{grid-template-columns:1fr;}
  h2{font-size:27px;}
}

/* ---------- Reveal au scroll ---------- */
.has-reveal .rv{opacity:0;transform:translateY(28px);
  transition:opacity .7s ease, transform .8s cubic-bezier(.2,.7,.2,1);}
.has-reveal .rv.in{opacity:1;transform:none;}
.has-reveal .info-card.rv.in:hover{transform:translateY(-6px);}
@media (prefers-reduced-motion: reduce){
  .has-reveal .rv{opacity:1 !important;transform:none !important;transition:none;}
}