@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800&family=Roboto:wght@400;500;700;900&display=swap");

:root {
  color-scheme: light;
  --bg: #ffffff;
  --ink: #191b1f;
  --muted: #6c7077;
  --accent: #1d5f55;
  --accent-2: #8a5a22;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Roboto", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.95rem;
  line-height: 1.58;
}

html[lang="ja"] body {
  font-family: "Noto Sans JP", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  position: relative;
  width: min(960px, calc(100% - 40px));
  margin: 0 auto;
  padding: 52px 0 72px;
}

.top-link {
  position: absolute;
  top: 24px;
  right: 0;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 132px;
  gap: 32px;
  align-items: end;
  padding: 46px 0 54px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-2);
  font-size: 0.76rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: 4.35rem;
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: 0;
}

.lead {
  max-width: 700px;
  margin: 20px 0 0;
  color: #34383f;
  font-size: 1.04rem;
}

.avatar {
  width: 132px;
  aspect-ratio: 1;
  border-radius: 50%;
  object-fit: cover;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 22px;
}

.link-pill {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 650;
}

.section {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 30px;
  padding: 24px 0;
}

h2 {
  margin: 0;
  color: var(--ink);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.16rem;
  line-height: 1.34;
  font-weight: 720;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px 34px;
}

.card p,
.publication p,
.timeline-item p {
  margin: 7px 0 0;
  color: var(--muted);
}

.tag {
  display: inline-flex;
  margin-bottom: 6px;
  color: var(--accent-2);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.timeline {
  display: grid;
  gap: 22px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 20px;
}

.date {
  color: var(--accent-2);
  font-size: 0.84rem;
  font-weight: 760;
}

.publications {
  display: grid;
  gap: 20px;
}

.meta {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.88rem;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
}

.skill {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 640;
}

.skill::before {
  content: "#";
  color: var(--accent-2);
  margin-right: 2px;
}

footer {
  padding-top: 32px;
  color: var(--muted);
  font-size: 0.86rem;
}

@media (max-width: 760px) {
  .page {
    width: min(100% - 24px, 640px);
    padding-top: 34px;
  }

  .top-link {
    top: 8px;
  }

  .hero,
  .section {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 24px;
    padding-top: 28px;
    padding-bottom: 36px;
  }

  .avatar {
    width: 112px;
    grid-row: 1;
  }

  h1 {
    font-size: 2.75rem;
  }

  .lead {
    font-size: 0.98rem;
  }

  .grid,
  .timeline-item {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    gap: 5px;
  }
}