:root {
  --ink: #172d25;
  --green: #155d42;
  --rule: #d8e1db;
  --sans: "Segoe UI", Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: white;
  color: var(--ink);
  font: 1rem/1.6 var(--sans);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.wrap {
  width: min(1280px, 90%);
  margin-inline: auto;
}
main {
  flex: 1;
}
a {
  color: var(--green);
}
a:focus-visible {
  outline: 3px solid #949b21;
  outline-offset: 4px;
}
.skip {
  position: absolute;
  left: -200vw;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  background: white;
  z-index: 2;
}
.site-head {
  border-bottom: 1px solid var(--rule);
}
.head,
.foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.head {
  min-height: 84px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font: 1.25rem var(--serif);
  color: var(--ink);
  text-decoration: none;
}
.brand b {
  letter-spacing: 0.015em;
}
.mark {
  display: block;
  flex: none;
}
nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.6vw, 40px);
}
nav a,
.lms {
  color: var(--ink);
  font-size: 0.93rem;
  text-decoration: none;
  font-weight: 550;
}
nav a {
  padding: 9px 0;
  border-bottom: 2px solid transparent;
}
nav a[aria-current],
nav a:hover {
  color: var(--green);
  border-color: var(--green);
}
.lms {
  border: 1px solid var(--green);
  border-radius: 5px;
  padding: 9px 16px;
  white-space: nowrap;
}
.lms span,
.button span {
  margin-left: 10px;
}
.lms:hover,
.notice {
  background: #f2f6ef;
}
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4%;
  padding: clamp(38px, 5.4vw, 86px) 0;
}
.eyebrow {
  font-size: 0.74rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--green);
  margin: 0 0 23px;
}
h1,
h2 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.04;
}
h1 {
  font-size: clamp(3.15rem, 5.2vw, 5.5rem);
  letter-spacing: -0.055em;
  margin: 0 0 24px;
}
em {
  font-weight: 400;
  color: var(--green);
}
.intro {
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
  color: #43584e;
  max-width: 56ch;
  line-height: 1.6;
}
.button,
.more {
  display: inline-block;
  text-decoration: none;
  font-size: 0.97rem;
  font-weight: 650;
}
.button {
  background: var(--green);
  color: white;
  padding: 13px 22px;
  border-radius: 5px;
  margin-top: 12px;
}
.button:hover {
  background: #103e2c;
}
.more {
  text-decoration: underline;
  text-underline-offset: 5px;
}
.more span {
  margin-left: 5px;
}
figure {
  margin: 0;
  background: #edf2de;
  border-radius: 5px;
  overflow: hidden;
}
figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1.42;
  object-fit: cover;
}
.overview,
.reading article {
  border-top: 1px solid var(--rule);
}
.overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4%;
  padding: 40px 0 60px;
}
.overview p:first-child {
  margin-top: 0;
}
.overview h2,
.notice h2 {
  font-size: clamp(2rem, 3.3vw, 3.3rem);
  letter-spacing: -0.035em;
  margin: 0.4em 0;
}
.overview .eyebrow {
  margin-bottom: 8px;
}
.overview p,
.reading p,
.notice p {
  max-width: 68ch;
}
.page-intro {
  padding: clamp(48px, 6vw, 90px) 0 30px;
}
.page-intro .intro {
  max-width: 65ch;
}
.reading {
  padding-bottom: 55px;
}
.reading article {
  padding: 22px 0;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 6%;
}
.reading h2 {
  font-size: 1.7rem;
}
.reading p {
  color: #43584e;
}
.notice {
  border-left: 4px solid var(--green);
  padding: 20px 32px 32px;
  margin: 10px 0 70px;
}
.foot {
  padding-block: 24px;
  color: #526359;
  font-size: 0.85rem;
}
footer {
  border-top: 1px solid var(--rule);
  margin-top: 30px;
}
@media (max-width: 760px) {
  .head {
    flex-wrap: wrap;
    padding-top: 15px;
    gap: 8px;
  }
  .head nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 8px;
  }
  .hero,
  .overview,
  .reading article {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .hero {
    padding-block: 35px;
  }
  .hero figure {
    margin-top: 10px;
  }
  .overview {
    padding: 25px 0;
  }
  .foot {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
  .page-intro {
    padding-top: 40px;
  }
  .reading article {
    gap: 0;
  }
  .reading h2 {
    margin-bottom: 0;
  }
  .notice {
    padding-inline: 18px;
  }
  .eyebrow {
    margin-bottom: 14px;
  }
}

.team section, .papers article {
  border-top: 1px solid var(--rule);
  padding: 1.4rem 0;
}
.team section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 1rem 3rem;
}
.team h2, .papers h2 { margin: 0; font-size: 1.55rem; line-height: 1.25; }
.team ul { list-style: none; margin: 0; padding: 0; }
.team li + li { margin-top: .55rem; }
.team small { display: inline-block; margin-left: .5rem; color: var(--green); }
.team a, .papers h2 a { text-decoration-thickness: 1px; text-underline-offset: .17em; }
.papers p { margin: .7rem 0 0; }
@media (max-width: 760px) {
  .team section { grid-template-columns: 1fr; }
}
.papers { max-width: 78ch; }
.papers article { padding-block: 1.8rem; }
@media (max-width: 450px) {
  .head { gap: 4px; }
  .head .brand { font-size: 1.05rem; gap: .35rem; min-height: 44px; }
  .head .mark { width: 32px; height: 32px; }
  .head .lms { padding-inline: 10px; min-height: 44px; }
  .head .lms span { margin-left: 2px; }
  .head nav { flex-wrap: wrap; gap: 0 2px; }
  .head nav a {
    display: inline-grid;
    place-items: center;
    min-width: 44px;
    min-height: 44px;
  }
  .team li a { display: inline-flex; align-items: center; min-height: 44px; }
  h1 { font-size: clamp(2.6rem, 12vw, 3.15rem); }
}
@media (max-width: 350px) {
  .head .lms span { display: none; }
}
