:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --line: #d8dee8;
  --text: #1f2937;
  --muted: #667085;
  --blue: #2563eb;
  --green: #16803c;
  --red: #c2410c;
  --yellow: #a16207;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 28px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.eyebrow {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 2px;
}

h1, h2, h3 {
  line-height: 1.25;
  margin: 0;
}

h1 {
  font-size: 24px;
}

h2 {
  font-size: 28px;
  margin-bottom: 18px;
}

h3 {
  font-size: 20px;
  margin-bottom: 14px;
}

.main-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.nav-link {
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #344054;
  font-weight: 700;
  padding: 8px 12px;
  text-decoration: none;
}

.nav-link.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.nav-link.logout {
  color: #9f1239;
}

.container {
  margin: 0 auto;
  max-width: 1240px;
  padding: 28px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 20px;
  padding: 20px;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.quick-link {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 5px solid var(--blue);
  border-radius: 8px;
  display: block;
  padding: 18px;
  text-decoration: none;
}

.quick-link strong {
  display: block;
  font-size: 20px;
}

.quick-link span {
  color: var(--muted);
}

label {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="time"],
input[type="month"],
select,
textarea {
  background: #fff;
  border: 1px solid #b9c2d0;
  border-radius: 8px;
  color: var(--text);
  font: inherit;
  min-height: 42px;
  padding: 8px 10px;
  width: 100%;
}

textarea {
  min-height: 124px;
  resize: vertical;
}

.form-row {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

button,
.button {
  align-items: center;
  background: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 700;
  justify-content: center;
  min-height: 42px;
  padding: 8px 14px;
  text-decoration: none;
}

.button.secondary,
button.secondary {
  background: #fff;
  border-color: var(--line);
  color: var(--text);
}

.button.green,
button.green {
  background: var(--green);
  border-color: var(--green);
}

.button.red,
button.red {
  background: #be123c;
  border-color: #be123c;
}

.button.orange,
button.orange {
  background: #d97706;
  border-color: #d97706;
}

.alert {
  border-radius: 8px;
  font-weight: 700;
  margin-bottom: 18px;
  padding: 12px 14px;
}

.alert.success {
  background: #ecfdf3;
  border: 1px solid #86efac;
  color: #166534;
}

.alert.error {
  background: #fff1f2;
  border: 1px solid #fda4af;
  color: #9f1239;
}

.alert.info {
  background: #eff6ff;
  border: 1px solid #93c5fd;
  color: #1d4ed8;
}

.table-wrap {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  min-width: 760px;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid #e5e7eb;
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  background: #f1f5f9;
  font-size: 14px;
  white-space: nowrap;
}

.muted {
  color: var(--muted);
}

.badge {
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  border-radius: 999px;
  color: #3730a3;
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  margin: 0 4px 4px 0;
  padding: 2px 8px;
}

.checks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.check {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: inline-flex;
  gap: 6px;
  padding: 8px 10px;
}

.day-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 12px;
  padding: 12px;
}

.visit-row {
  display: grid;
  gap: 8px;
  grid-template-columns: 92px 92px 92px 92px 1fr;
  margin-bottom: 8px;
}

.login-page {
  align-items: center;
  display: flex;
  min-height: 100vh;
  justify-content: center;
  padding: 24px;
}

.login-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 60px rgba(15, 23, 42, .12);
  max-width: 420px;
  padding: 28px;
  width: 100%;
}

.summary-list {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.summary-item {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.summary-item strong {
  display: block;
  font-size: 22px;
}

@media print {
  .site-header,
  .no-print {
    display: none !important;
  }
  body {
    background: #fff;
  }
  .container {
    max-width: none;
    padding: 0;
  }
  .panel {
    border: 0;
    padding: 0;
  }
}

@media (max-width: 780px) {
  .site-header,
  .grid.two,
  .grid.three,
  .form-row,
  .summary-list {
    grid-template-columns: 1fr;
  }
  .site-header {
    align-items: flex-start;
    display: grid;
  }
  .container {
    padding: 18px;
  }
  .visit-row {
    grid-template-columns: 1fr 1fr;
  }
}