:root {
  --paper: #f8f7f3;
  --surface: #ffffff;
  --ink: #242629;
  --muted: #616b70;
  --line: #d9dfdd;
  --waseda-red: #8a0024;
  --teal: #0f6f72;
  --max-width: 920px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Noto Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: var(--teal);
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--waseda-red);
}

.page-shell {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  padding: 4rem 0 3rem;
}

.top-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 3.5rem;
}

.home-link {
  color: var(--muted);
  text-decoration: none;
}

.home-link:hover {
  color: var(--waseda-red);
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--waseda-red);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2.25rem, 7vw, 4rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(1.45rem, 4vw, 2.1rem);
  line-height: 1.15;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.35;
  letter-spacing: 0;
}

.lead {
  max-width: 48rem;
  margin: 1.2rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.section-block {
  margin-top: 3.8rem;
  padding-top: 3.2rem;
  border-top: 1px solid var(--line);
}

.link-list {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.link-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  min-height: 76px;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  border-radius: 4px;
  color: var(--ink);
  text-decoration: none;
}

.link-row:hover {
  border-left-color: var(--waseda-red);
  color: var(--ink);
}

.link-row strong,
.link-row span {
  display: block;
}

.link-row span {
  margin-top: 0.2rem;
  color: var(--muted);
}

.link-row em {
  color: var(--teal);
  font-style: normal;
  font-weight: 700;
  white-space: nowrap;
}

.link-row.disabled {
  border-left-color: #b7c2c0;
  color: var(--ink);
}

.link-row.disabled em {
  color: var(--muted);
}

@media (max-width: 640px) {
  .page-shell {
    padding: 2.4rem 0;
  }

  .top-line {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 2.5rem;
  }

  .section-block {
    margin-top: 3rem;
    padding-top: 2.6rem;
  }

  .link-row {
    grid-template-columns: 1fr;
  }

  .link-row em {
    white-space: normal;
  }
}