:root {
  color: #1c1917;
  background: #f6f4f1;
  font-family: "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.6;
}

body {
  margin: 0;
}

.wrap {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

h1 {
  font-size: 1.5rem;
  font-weight: 650;
  margin: 0 0 1rem;
}

h2 {
  font-size: 1.05rem;
  margin: 1.75rem 0 0.75rem;
}

a {
  color: #1f4b3a;
}

.nav {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin: 0 0 0.9rem;
  font-size: 0.92rem;
}

input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  margin-top: 0.3rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid #cfc8bf;
  border-radius: 6px;
  background: #fff;
  font: inherit;
}

button {
  font: inherit;
  background: #1f4b3a;
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
}

.alert {
  background: #fff4e8;
  border: 1px solid #e2c3a0;
  border-radius: 6px;
  padding: 0.7rem 0.8rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th, td {
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid #e4ddd4;
  padding: 0.45rem 0.4rem;
}

td form {
  margin: 0;
}