* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic UI", Meiryo, sans-serif;
  background: #f4f6f8;
  color: #1f2933;
  font-size: 14px;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #10316b;
  color: #fff;
  padding: 10px 20px;
}
header h1 { font-size: 17px; margin: 0; }
.phase {
  font-size: 12px;
  font-weight: normal;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  padding: 2px 10px;
  margin-left: 8px;
}
#user-area { display: flex; align-items: center; gap: 10px; font-size: 13px; }

main, #login-view { max-width: 1080px; margin: 0 auto; padding: 16px; }
nav { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.tab {
  border: 1px solid #cbd2d9;
  background: #fff;
  border-radius: 18px;
  padding: 7px 16px;
  cursor: pointer;
  font-size: 13px;
}
.tab.active { background: #10316b; color: #fff; border-color: #10316b; }

.card {
  background: #fff;
  border: 1px solid #e4e7eb;
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 12px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}
.card.center { text-align: center; margin-top: 60px; }
.card h3 { margin-top: 0; }

button.primary {
  background: #10316b;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 18px;
  cursor: pointer;
  font-size: 13px;
}
button.primary:hover { background: #0b2554; }
button.ghost {
  background: #fff;
  border: 1px solid #cbd2d9;
  border-radius: 6px;
  padding: 7px 14px;
  cursor: pointer;
  font-size: 13px;
}
button.small { padding: 3px 10px; font-size: 12px; }

.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: #52606d; }
.form-grid label.wide { grid-column: 1 / -1; }
input, select {
  padding: 7px 9px;
  border: 1px solid #cbd2d9;
  border-radius: 6px;
  font-size: 13px;
}

.event-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.badge {
  display: inline-block;
  border-radius: 10px;
  padding: 2px 9px;
  font-size: 11.5px;
  margin: 2px 2px 2px 0;
  color: #fff;
}
.badge.gray { background: #7b8794; }
.badge.blue { background: #2680c2; }
.badge.orange { background: #de911d; }
.badge.red { background: #d64545; }
.badge.purple { background: #7048c9; }

.ai-box {
  background: #f7f5ff;
  border: 1px solid #e0d9f7;
  border-radius: 6px;
  padding: 8px 12px;
  margin: 8px 0;
}
.ai-head { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.ai-box p { margin: 6px 0; }
details summary { cursor: pointer; color: #52606d; font-size: 12.5px; }

.note { color: #7b8794; font-size: 12px; }
.error { color: #d64545; }
.hidden { display: none !important; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid #e4e7eb; }
th { color: #52606d; font-weight: 600; background: #f7f9fa; }

pre.briefing {
  white-space: pre-wrap;
  background: #f7f9fa;
  border-radius: 6px;
  padding: 12px;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.7;
}
a { color: #2680c2; }