:root {
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-border: #d8dce1;
  --color-text: #222;
  --color-muted: #666;
  --color-primary: #1a5fb4;
  --color-primary-dark: #124178;
  --color-danger: #c0392b;
  --color-success: #1e7e34;
  --color-warning: #9c6500;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

.navbar {
  background: var(--color-primary-dark);
  color: #fff;
  padding: 0.8rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}
.navbar a { color: #fff; text-decoration: none; margin-right: 1rem; }
.navbar a:hover { text-decoration: underline; }
.navbar .brand { font-weight: bold; font-size: 1.1rem; }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; border-bottom: 2px solid var(--color-border); padding-bottom: 0.3rem; }

.guide {
  background: #eaf2fb;
  border-left: 4px solid var(--color-primary);
  padding: 0.8rem 1rem;
  margin-bottom: 1.2rem;
  font-size: 0.92rem;
  color: #234;
}

.field { margin-bottom: 1rem; }
.field label { display: block; font-weight: bold; margin-bottom: 0.3rem; font-size: 0.92rem; }
.field .hint { color: var(--color-muted); font-size: 0.82rem; margin-top: 0.2rem; }
.field input[type=text], .field input[type=number], .field input[type=date],
.field input[type=email], .field input[type=password], .field select, .field textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 1rem;
}
.field textarea { min-height: 4rem; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) {
  .row-2, .row-3 { grid-template-columns: 1fr; }
}

.checkbox-list label { font-weight: normal; display: flex; align-items: flex-start; gap: 0.5rem; margin-bottom: 0.5rem; }
.checkbox-list input { margin-top: 0.25rem; }

.required-badge { color: var(--color-danger); font-size: 0.75rem; margin-left: 0.3rem; }

.btn {
  display: inline-block;
  padding: 0.55rem 1.2rem;
  border-radius: 4px;
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  font-size: 0.95rem;
  text-decoration: none;
}
.btn:hover { background: var(--color-primary-dark); }
.btn.secondary { background: #fff; color: var(--color-primary); }
.btn.danger { background: #fff; color: var(--color-danger); border-color: var(--color-danger); }
.btn.small { padding: 0.3rem 0.7rem; font-size: 0.82rem; }

.steps { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.step {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: #e3e7eb;
  color: #555;
  font-size: 0.85rem;
  text-decoration: none;
}
.step.done { background: #d3ecd8; color: var(--color-success); }
.step.active { background: var(--color-primary); color: #fff; }

table.data-table { width: 100%; border-collapse: collapse; margin-bottom: 1rem; }
table.data-table th, table.data-table td { border: 1px solid var(--color-border); padding: 0.4rem; font-size: 0.85rem; }
table.data-table th { background: #eef0f2; }

.alert { padding: 0.8rem 1rem; border-radius: 4px; margin-bottom: 1rem; }
.alert.error { background: #fdecea; color: var(--color-danger); border: 1px solid #f5c6cb; }
.alert.success { background: #e7f6ea; color: var(--color-success); border: 1px solid #c3e6cb; }

.container.wide { max-width: 1280px; }
table.nowrap th, table.nowrap td { white-space: nowrap; }
.status-badge { white-space: nowrap; font-size: 0.78rem; padding: 0.15rem 0.5rem; border-radius: 999px; }
.status-badge.complete { background: #d3ecd8; color: var(--color-success); }
.status-badge.incomplete { background: #fdecea; color: var(--color-danger); }
.status-badge.warning { background: #fdf0d5; color: var(--color-warning); }

ul.error-list { margin: 0; padding-left: 1.2rem; }
ul.warning-list { margin: 0; padding-left: 1.2rem; color: var(--color-warning); }