:root {
  --navy: #062452;
  --red: #ff4435;
  --blue: #a9d8ee;
  --cream: #fff6df;
  --white: #fff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--navy);
  background: var(--cream);
  font-family: "Noto Sans JP", "Yu Gothic", sans-serif;
  line-height: 1.75;
}
a { color: inherit; }
.notice {
  padding: .55rem 1rem;
  color: var(--cream);
  background: var(--navy);
  text-align: center;
  font-weight: 800;
}
.header {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  background: var(--blue);
  border-bottom: 4px solid var(--navy);
}
.brand { font-size: clamp(1.2rem, 3vw, 1.8rem); font-weight: 900; text-decoration: none; }
.nav { display: flex; flex-wrap: wrap; gap: .7rem 1.2rem; font-weight: 800; }
.hero {
  padding: clamp(3.5rem, 9vw, 7rem) clamp(1rem, 7vw, 7rem);
  background: var(--red);
  border-bottom: 4px solid var(--navy);
}
.hero p { max-width: 46rem; font-weight: 700; }
h1 { max-width: 48rem; margin: 0 0 1rem; font-size: clamp(2.2rem, 7vw, 5.6rem); line-height: 1.05; letter-spacing: -.04em; }
.wrap { width: min(960px, calc(100% - 2rem)); margin: 2rem auto 5rem; }
.card {
  margin: 1.25rem 0;
  padding: clamp(1.2rem, 4vw, 2.25rem);
  background: var(--white);
  border: 3px solid var(--navy);
  border-radius: 26px;
  box-shadow: 8px 8px 0 var(--blue);
}
.card h2 { margin-top: 0; font-size: clamp(1.35rem, 4vw, 2rem); line-height: 1.3; }
.card h3 { margin-bottom: .2rem; }
.pending { padding: 1rem; border: 3px dashed var(--red); border-radius: 16px; background: #fff0ec; font-weight: 800; }
.plain-list { padding-left: 1.3rem; }
.footer { padding: 2rem 1rem; color: var(--cream); background: var(--navy); text-align: center; }
@media (max-width: 640px) {
  .header { align-items: flex-start; flex-direction: column; }
  .nav { font-size: .88rem; }
  .hero { padding-top: 3rem; padding-bottom: 3rem; }
}