:root {
  --ink: #eef8ff;
  --muted: #91a8bc;
  --navy: #061425;
  --navy-deep: #030a14;
  --cyan: #53e3ff;
  --violet: #8d7cff;
  --line: rgba(143, 207, 233, .22);
  --glass: rgba(10, 35, 57, .62);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 78% 12%, rgba(83, 227, 255, .10), transparent 26%),
    radial-gradient(circle at 18% 48%, rgba(141, 124, 255, .09), transparent 30%),
    linear-gradient(145deg, var(--navy-deep), var(--navy) 52%, #071a2d);
  color: var(--ink);
  font-family: "Helvetica Neue", Arial, "Hiragino Sans", sans-serif;
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .34;
  background-image:
    linear-gradient(rgba(83, 227, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(83, 227, 255, .045) 1px, transparent 1px),
    repeating-radial-gradient(circle at 82% 22%, transparent 0 42px, rgba(141, 124, 255, .045) 43px 44px);
  background-size: 72px 72px, 72px 72px, auto;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}
a { color: inherit; text-decoration: none; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 68px;
  padding: 0 4vw;
  border-bottom: 1px solid var(--line);
  background: rgba(3, 10, 20, .78);
  backdrop-filter: blur(16px);
}
.lab-name { font-weight: 800; letter-spacing: .06em; }
.lab-name::before { content: "◈"; margin-right: 10px; color: var(--cyan); }
nav { display: flex; gap: 32px; font-size: 13px; font-weight: 700; color: #c8d8e5; }
nav a { transition: color .2s ease; }
nav a:hover, nav a:focus-visible { color: var(--cyan); }
.menu-button { display: none; border: 1px solid var(--cyan); background: rgba(83,227,255,.06); color: var(--ink); padding: 8px 11px; font-weight: 800; }
main, footer { width: min(1440px, 100%); margin: auto; }
.hero {
  position: relative;
  min-height: 650px;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  padding: 5vw 4vw 3vw;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -170px;
  bottom: -220px;
  border: 1px solid rgba(83, 227, 255, .22);
  border-radius: 50%;
  box-shadow: 0 0 0 48px rgba(83, 227, 255, .025), 0 0 0 98px rgba(141, 124, 255, .025);
}
.eyebrow, .section-number { margin: 0; color: var(--cyan); font-size: 11px; font-weight: 800; letter-spacing: .17em; }
h1 { margin: 55px 0 0; font-size: clamp(64px, 9vw, 132px); line-height: .82; letter-spacing: -.06em; font-weight: 500; }
.name-en { margin: 40px 0 0 9px; color: var(--muted); font-size: 18px; letter-spacing: .10em; }
.portrait {
  position: relative;
  align-self: center;
  justify-self: end;
  width: min(36vw, 470px);
  aspect-ratio: 4/5;
  overflow: hidden;
  border: 1px solid rgba(83, 227, 255, .42);
  background:
    linear-gradient(135deg, rgba(83, 227, 255, .12), rgba(141, 124, 255, .10)),
    rgba(4, 18, 33, .78);
  box-shadow: inset 0 0 40px rgba(83, 227, 255, .06), 0 24px 70px rgba(0, 0, 0, .28);
}
.photo-frame { margin: 0; }
.photo-frame img { width: 100%; height: 100%; display: block; object-fit: cover; }
.portrait img { object-position: center 30%; }
.section-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 7vw; padding: 8vw 4vw; border-bottom: 1px solid var(--line); }
h2 { margin: 34px 0 0; font-size: clamp(40px, 6vw, 80px); line-height: .98; letter-spacing: -.06em; }
.glass-card {
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(20, 55, 82, .62), rgba(7, 25, 43, .48));
  box-shadow: inset 0 1px rgba(255, 255, 255, .035), 0 20px 70px rgba(0, 0, 0, .14);
  backdrop-filter: blur(13px);
}
.facts { margin: 0; padding: 10px 30px; }
.facts div { display: grid; grid-template-columns: 150px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.facts div:last-child { border-bottom: 0; }
dt { color: var(--muted); font-size: 13px; font-weight: 700; }
dd { margin: 0; font-size: clamp(18px, 2vw, 26px); line-height: 1.5; }
.research { position: relative; }
.research-card { overflow: hidden; }
.research-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; padding-bottom: 1px; background: var(--line); }
.research-photo { width: 100%; aspect-ratio: 16/10; background: #07182a; overflow: hidden; }
.research-photo img { object-position: center; }
.research-copy { display: grid; align-content: space-between; gap: 48px; padding: clamp(28px, 4vw, 54px); }
.lead { max-width: 720px; margin: 0; font-size: clamp(22px, 2.7vw, 37px); line-height: 1.55; letter-spacing: -.03em; }
.keywords { display: flex; flex-wrap: wrap; gap: 9px; }
.keywords span { border: 1px solid rgba(83, 227, 255, .36); padding: 10px 16px; color: var(--cyan); font-size: 11px; font-weight: 800; letter-spacing: .06em; }
.publication-card { padding: clamp(24px, 4vw, 50px); }
.publication-list { margin: 0; padding: 0; list-style: none; }
.publication-list li { display: grid; grid-template-columns: 84px 1.35fr .8fr; gap: 24px; align-items: start; }
.publication-year { color: var(--cyan); font-weight: 800; font-size: 15px; letter-spacing: .08em; }
.publication-list p { margin: 0; font-size: 17px; line-height: 1.75; }
.publication-list strong { color: white; font-weight: 700; }
.venue { color: var(--muted); }
.maintenance-note { margin: 34px 0 0; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
footer { display: flex; justify-content: space-between; padding: 28px 4vw 60px; color: var(--muted); font-size: 12px; font-weight: 700; }
footer a { color: var(--cyan); }
@media (max-width: 760px) {
  .menu-button { display: block; }
  nav { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0; background: rgba(3,10,20,.96); border-bottom: 1px solid var(--cyan); }
  nav.open { display: flex; }
  nav a { padding: 18px 4vw; border-top: 1px solid var(--line); }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 36px; padding-top: 52px; }
  h1 { margin-top: 40px; }
  .portrait { grid-row: 2; width: 100%; max-width: none; }
  .section-grid { grid-template-columns: 1fr; gap: 52px; padding-top: 72px; padding-bottom: 72px; }
  .research-gallery { grid-template-columns: 1fr; }
  .research-photo { aspect-ratio: 16/9; }
  .facts div { grid-template-columns: 1fr; gap: 8px; }
  .publication-list li { grid-template-columns: 1fr; gap: 14px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }