:root{
  --ink:#0a1020;
  --text:#172033;
  --muted:#687386;
  --line:#dfe5ed;
  --soft:#f5f8fc;
  --soft2:#edf4fb;
  --accent:#00a6c8;
  --accent2:#6f5cff;
  --accent3:#0fd5b3;
  --dark:#07111f;
  --dark2:#0e1b2c;
  --max:1180px;
  --radius:22px;
  --shadow:0 28px 80px rgba(18,35,61,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--text);font-family:Inter,"Noto Sans JP",sans-serif;background:#fff;line-height:1.8;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-2;background-image:linear-gradient(rgba(10,16,32,.026) 1px,transparent 1px),linear-gradient(90deg,rgba(10,16,32,.026) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.5),transparent 40%)}
img{display:block;max-width:100%}
a{color:inherit}
.wrap{width:min(calc(100% - 44px),var(--max));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.78);backdrop-filter:blur(18px) saturate(150%);border-bottom:1px solid rgba(223,229,237,.8)}
.nav-wrap{height:70px;display:flex;align-items:center;justify-content:space-between}.brand{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--ink),#173d5b);color:#fff;text-decoration:none;font-weight:800;letter-spacing:-.04em;box-shadow:0 8px 24px rgba(12,27,47,.18)}
.nav{display:flex;gap:27px;font-size:12px;font-weight:700;letter-spacing:.035em}.nav a{text-decoration:none;color:#5e6a7c;position:relative;padding:8px 0}.nav a:after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:.25s}.nav a:hover{color:var(--ink)}.nav a:hover:after{right:0}
.hero{position:relative;min-height:780px;display:grid;grid-template-columns:1.12fr .78fr;gap:72px;align-items:center;padding-block:96px}
.hero:before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(0,166,200,.11),rgba(111,92,255,.055) 45%,transparent 68%);left:-260px;top:20px;z-index:-1}
.hero:after{content:"EEG  •  SYSTEM  •  VERIFY";position:absolute;right:-44px;top:144px;writing-mode:vertical-rl;font-size:10px;letter-spacing:.42em;font-weight:700;color:#9aa7b8}
.eyebrow{font-size:11px;letter-spacing:.22em;font-weight:800;color:var(--accent);margin:0 0 15px;text-transform:uppercase}
.hero h1{font-size:clamp(43px,5.25vw,72px);line-height:1.1;letter-spacing:-.052em;margin:0 0 24px;color:var(--ink);max-width:780px}
.hero h1:after{content:"";display:block;width:92px;height:5px;border-radius:999px;margin-top:28px;background:linear-gradient(90deg,var(--accent),var(--accent2),var(--accent3))}
.lead{font-size:22px;font-weight:700;margin:0 0 14px;color:#243247}.hero-text{font-size:16px;color:var(--muted);max-width:760px}
.chips,.tags{display:flex;flex-wrap:wrap;gap:8px}.chips{margin:26px 0}.chips span,.tags span{border:1px solid #dbe6ef;border-radius:999px;padding:7px 12px;font-size:10px;font-weight:700;background:rgba(255,255,255,.78);color:#48566b}
.actions{display:flex;flex-wrap:wrap;gap:10px}.btn{display:inline-flex;align-items:center;text-decoration:none;border:1px solid #dce4ec;border-radius:12px;padding:11px 17px;font-size:12px;font-weight:700;background:rgba(255,255,255,.84);transition:.22s}.btn:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(15,35,60,.1)}.btn.primary{background:var(--ink);color:white;border-color:var(--ink)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}.hero-stats div{display:flex;flex-direction:column;gap:2px}.hero-stats strong{font-size:20px;color:var(--ink);letter-spacing:-.03em}.hero-stats span{font-size:10px;line-height:1.45;color:#758197;font-weight:600}
.hero-photo{margin:0;position:relative;padding:14px;background:linear-gradient(160deg,rgba(255,255,255,.96),rgba(241,246,251,.86));border:1px solid #e4eaf0;border-radius:30px;box-shadow:var(--shadow)}.hero-photo:before{content:"";position:absolute;inset:22px -18px -18px 24px;background:linear-gradient(140deg,rgba(0,166,200,.12),rgba(111,92,255,.09));border-radius:30px;z-index:-1}.hero-photo img{width:100%;height:580px;object-fit:cover;object-position:center 30%;border-radius:20px;filter:saturate(.93) contrast(1.02)}.hero-photo figcaption{padding:12px 5px 2px;display:flex;justify-content:space-between;gap:14px;font-size:10px;color:#718096}.hero-photo figcaption b{color:#34435a;font-weight:700}
.section{position:relative;padding-block:112px}.soft{background:linear-gradient(180deg,#f8fafc,#f3f7fb)}.dark{background:radial-gradient(circle at 80% 0%,rgba(0,166,200,.10),transparent 30%),linear-gradient(150deg,var(--dark),var(--dark2));color:#fff}.section-numbered:before{content:attr(data-section);position:absolute;left:max(22px,calc((100vw - var(--max))/2 - 74px));top:116px;font-size:11px;letter-spacing:.24em;font-weight:800;color:#b7c1cf}.dark.section-numbered:before{color:#52637c}
.grid-2{display:grid;grid-template-columns:.7fr 1.3fr;gap:86px}.section h2{font-size:clamp(34px,4vw,52px);line-height:1.15;letter-spacing:-.042em;margin:0;color:var(--ink)}.dark h2,.mission h2{color:#fff}.prose{font-size:18px;color:#465267}.prose p:first-child{margin-top:0}.prose p{max-width:760px}.section-head{max-width:870px;margin-bottom:50px}.section-head>p:last-child{color:var(--muted);font-size:15px}.inverse>p:last-child{color:#aeb9ca}.inverse .eyebrow,.mission .eyebrow{color:#64d7ea}
.research-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.card{position:relative;border:1px solid #dfe6ee;border-radius:var(--radius);padding:32px;background:rgba(255,255,255,.94);overflow:hidden;box-shadow:0 8px 26px rgba(18,35,61,.045);transition:.24s}.card:before{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:linear-gradient(var(--accent),var(--accent2));opacity:0;transition:.24s}.card:hover{transform:translateY(-4px);box-shadow:0 18px 48px rgba(18,35,61,.09)}.card:hover:before{opacity:1}.card h3,.feature-card h3,.award-photo h3{font-size:22px;line-height:1.35;margin:8px 0 5px;color:var(--ink)}.card p{color:#566277}.index{font-size:10px;font-weight:800;color:var(--accent);letter-spacing:.16em}.meta{font-size:11px!important;text-transform:uppercase;letter-spacing:.075em;color:#7c8798!important}.result{padding-top:14px;border-top:1px solid var(--line)}.media-card{padding:0}.media-card>img{width:100%;height:334px;object-fit:cover;filter:saturate(.88)}.card-body{padding:29px 31px 31px}
.timeline{border-top:1px solid #2b3b50;position:relative}.timeline:before{content:"";position:absolute;left:188px;top:0;bottom:0;width:1px;background:linear-gradient(#2c455f,#274f60,#2c455f)}.timeline article{display:grid;grid-template-columns:154px 1fr;gap:64px;padding:32px 0;border-bottom:1px solid #29394c;position:relative}.timeline article:before{content:"";position:absolute;left:183px;top:42px;width:11px;height:11px;border-radius:50%;background:#0c1b2b;border:2px solid #55d1e6;box-shadow:0 0 0 5px rgba(85,209,230,.08)}.timeline time{font-weight:800;color:#93a8c4;font-size:12px;letter-spacing:.05em}.timeline h3{margin:0 0 8px;font-size:20px;color:#fff}.timeline p{margin:0;color:#b7c2d2;max-width:820px}.confidential-note{font-size:10px;color:#7e8da2;margin-top:19px}
.achievement-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:20px}.feature-card,.award-photo{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:0 10px 34px rgba(18,35,61,.055)}.feature-copy{padding:36px}.feature-copy p{color:#556176}.feature-card{position:relative}.feature-card:after{content:"TRM";position:absolute;right:20px;bottom:4px;font-size:88px;line-height:1;font-weight:800;letter-spacing:-.07em;color:#eef3f7;z-index:0}.feature-copy{position:relative;z-index:1}.text-link{display:inline-block;margin-top:10px;color:#0285a0;font-weight:700;text-decoration:none}.award-photo img{width:100%;height:400px;object-fit:cover}.award-photo div{padding:25px 29px}.award-photo div p:last-child{color:#5b6473}.list-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}.list-cards article{border:1px solid var(--line);border-radius:18px;padding:24px;background:linear-gradient(180deg,#fff,#fbfcfe)}.list-cards h3{font-size:13px;color:#5a6679}.list-cards .big{font-size:20px;font-weight:800;color:var(--ink)}.list-cards a{font-size:11px;color:#0285a0;font-weight:700}
.cards-compact .card{min-height:280px}.skill-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.skill-grid>div{border-top:3px solid transparent;border-image:linear-gradient(90deg,var(--accent),var(--accent2)) 1;padding:18px 4px 0}.skill-grid h3{font-size:14px;color:var(--ink)}.skill-grid p{font-size:12px;color:#616d7f}.english-box{margin-top:50px;padding:30px;border-radius:18px;background:linear-gradient(135deg,#f6f9fc,#eef5f8);border:1px solid #e0e8ef}.english-box h3{margin-top:0}.english-box p{margin:6px 0;color:#566277}
.mission{background:radial-gradient(circle at 20% 0%,rgba(111,92,255,.23),transparent 34%),radial-gradient(circle at 92% 90%,rgba(0,166,200,.20),transparent 30%),#07111f;color:#fff;overflow:hidden}.mission:after{content:"BCI";position:absolute;right:-10px;bottom:-52px;font-size:250px;line-height:1;font-weight:900;letter-spacing:-.08em;color:rgba(255,255,255,.025)}.mission-inner{max-width:980px;position:relative;z-index:1}.mission h2{font-size:clamp(42px,6vw,72px)}.mission p:not(.eyebrow){font-size:18px;color:#c6d1df;max-width:860px}.flow{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin-top:34px}.flow span{padding:9px 13px;border:1px solid #355169;border-radius:999px;font-size:10px;background:rgba(255,255,255,.025)}.flow b{color:#61d5e8}
.contact{display:grid;grid-template-columns:1fr 1fr;gap:80px}.link-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}.link-list a{display:flex;justify-content:space-between;text-decoration:none;border-bottom:1px solid var(--line);padding:18px 4px;font-weight:700;font-size:13px}.link-list a:hover{color:#0285a0}footer{border-top:1px solid var(--line);padding:29px 0;color:#7b8493;font-size:10px}.footer-inner{display:flex;justify-content:space-between}
@media(max-width:980px){.section-numbered:before{display:none}.hero{grid-template-columns:1fr .72fr;gap:40px}.hero h1{font-size:48px}.hero-photo img{height:510px}.timeline:before,.timeline article:before{display:none}.timeline article{grid-template-columns:150px 1fr;gap:28px}}
@media(max-width:850px){.nav{display:none}.hero{grid-template-columns:1fr;padding-block:58px;min-height:auto}.hero:after{display:none}.hero-photo{order:-1;max-width:620px}.hero-photo img{height:460px}.hero-stats{grid-template-columns:1fr 1fr 1fr}.grid-2,.achievement-grid,.contact{grid-template-columns:1fr;gap:32px}.research-grid,.list-cards,.skill-grid{grid-template-columns:1fr}.section{padding-block:82px}.timeline article{grid-template-columns:1fr;gap:4px}.award-photo img{height:auto}.media-card>img{height:auto}}
@media(max-width:560px){.wrap{width:min(calc(100% - 28px),var(--max))}.hero h1{font-size:39px}.hero-photo img{height:390px}.hero-stats{grid-template-columns:1fr}.section{padding-block:66px}.card,.feature-copy{padding:23px}.media-card{padding:0}.card-body{padding:23px}.footer-inner{gap:10px;flex-direction:column}.hero-photo figcaption{flex-direction:column;gap:2px}.flow b{display:none}}

.lang-switch{display:flex;align-items:center;gap:7px;font-size:11px;font-weight:800;letter-spacing:.08em;color:#8a96a8;white-space:nowrap}.lang-switch a{text-decoration:none;color:#7c899b;padding:5px 7px;border-radius:8px}.lang-switch a.active{color:var(--ink);background:#eef4f8}.language-landing{min-height:100vh;display:grid;place-items:center;padding:32px;background:radial-gradient(circle at 20% 0%,rgba(111,92,255,.18),transparent 34%),radial-gradient(circle at 90% 90%,rgba(0,166,200,.17),transparent 30%),#07111f}.language-card{width:min(680px,100%);padding:56px;border:1px solid rgba(255,255,255,.13);border-radius:28px;background:rgba(255,255,255,.055);backdrop-filter:blur(18px);box-shadow:0 30px 90px rgba(0,0,0,.28);color:#fff}.language-card h1{font-size:clamp(38px,6vw,68px);line-height:1.05;letter-spacing:-.05em;margin:14px 0}.language-card>p:not(.eyebrow){color:#bfccdb;font-size:17px}.landing-brand{margin-bottom:32px}.language-actions{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}.language-card .btn{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.18);color:#fff}.language-card .btn.primary{background:#fff;color:#0a1020;border-color:#fff}@media(max-width:850px){.nav-wrap{gap:14px}.lang-switch{margin-left:auto}}