@charset "UTF-8";

:root {
  --brand-dark:  #1A3C6E;
  --brand-mid:   #1A6FAA;
  --brand-light: #E3EEF8;
  --brand-pale:  #F5F9FD;
  --accent:      #5B9BD5;
  --text-body:   #2d3748;
  --border:      #dce8f4;
  --white:       #ffffff;
}

/* ===== Page ===== */
#_content {
  padding: 60px 24px 80px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-body);
  background: var(--brand-pale);
}

/* ===== Title ===== */
h1 {
  margin: 0 0 48px;
  font-family: 'Noto Serif JP', serif;
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  color: var(--brand-dark);
  letter-spacing: 0.08em;
}

h1::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--brand-mid);
  margin: 14px auto 0;
  border-radius: 2px;
}

/* ===== Table Wrapper ===== */
.table-wrapper {
  margin: 0 auto;
  max-width: 860px;
  background: var(--white);
  border-radius: 12px;
  box-shadow:
    0 1px 3px rgba(26, 60, 110, 0.06),
    0 4px 24px rgba(26, 60, 110, 0.08);
  border: 1px solid var(--border);
  overflow: hidden;
}

/* ===== Table ===== */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

tr {
  border-bottom: 1px solid var(--border);
}

tr:last-child {
  border-bottom: none;
}

tr:nth-child(even) td {
  background: var(--brand-pale);
}

th {
  width: 240px;
  min-width: 180px;
  padding: 16px 20px;
  background: var(--brand-light);
  color: var(--brand-dark);
  font-weight: 700;
  font-size: 14px;
  text-align: left;
  vertical-align: middle;
  border-right: 2px solid var(--accent);
  line-height: 1.6;
}

td {
  padding: 16px 20px;
  background: var(--white);
  vertical-align: middle;
  line-height: 1.7;
}

tr:nth-child(even) td {
  background: var(--brand-pale);
}

/* ===== Links ===== */
td a {
  color: var(--brand-mid);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  transition: color 0.2s, border-color 0.2s;
}

td a:hover {
  color: var(--brand-dark);
  border-color: var(--brand-dark);
}

/* ===== Responsive ===== */
@media screen and (max-width: 768px) {
  #_content {
    padding: 32px 16px 60px;
  }

  h1 {
    font-size: 22px;
    margin-bottom: 32px;
  }

  .table-wrapper {
    border-radius: 8px;
  }

  th, td {
    display: block;
    width: 100%;
    box-sizing: border-box;
    border-right: none;
  }

  th {
    padding: 10px 16px;
    font-size: 13px;
    border-bottom: none;
    border-left: 3px solid var(--brand-mid);
  }

  td {
    padding: 10px 16px 14px;
    background: var(--white) !important;
    border-bottom: 1px solid var(--border);
  }

  tr:last-child td {
    border-bottom: none;
  }
}