:root { font-family: "Yu Gothic UI", "Meiryo", sans-serif; color: #1f2937; background: #f4f7fb; }
* { box-sizing: border-box; }
body { margin: 0; }
header { background: #164e63; color: white; padding: 24px max(20px, calc((100% - 1180px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
header h1 { margin: 0 0 6px; font-size: 28px; } header p, h2, .toolbar p { margin: 0; }
main { max-width: 1180px; margin: 24px auto; padding: 0 16px 40px; display: grid; gap: 20px; }
.card { background: white; border-radius: 12px; padding: 22px; box-shadow: 0 2px 12px #0f172a12; }
.card h2 { margin-bottom: 16px; font-size: 20px; }
label { display: grid; gap: 7px; font-weight: 700; }
textarea, input, select { width: 100%; border: 1px solid #b6c2cf; border-radius: 7px; padding: 10px; font: inherit; background: white; }
textarea { resize: vertical; } textarea:focus, input:focus, select:focus { outline: 3px solid #67e8f955; border-color: #0891b2; }
button { border: 0; border-radius: 7px; padding: 10px 18px; background: #087b97; color: white; font-weight: 700; cursor: pointer; }
button:hover { background: #075f73; } button.secondary { background: #e5edf2; color: #263743; }
.actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 12px; }
.message { min-height: 22px; margin: 8px 0 0; color: #067647; }.message.error { color: #b42318; }
.toolbar { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin-bottom: 14px; }.toolbar input { max-width: 340px; }
.filter-bar { display: grid; grid-template-columns: repeat(3, minmax(150px, 1fr)) auto; gap: 12px; align-items: end; padding: 14px; margin-bottom: 10px; background: #f4f7fb; border-radius: 8px; }
.filter-bar label { font-size: 14px; }
.filter-bar button { min-height: 43px; }
.table-wrap { overflow-x: auto; } table { width: 100%; border-collapse: collapse; } th, td { padding: 11px 9px; border-bottom: 1px solid #e5e7eb; text-align: left; vertical-align: top; } th { color: #52606d; font-size: 13px; }
.status { display: inline-block; border-radius: 999px; padding: 4px 9px; background: #fff1c2; white-space: nowrap; }.status.done { background: #d1fadf; }
.empty { text-align: center; color: #667085; padding: 24px; }
/* 画面切替では、後ろにあるレイアウト指定より非表示を必ず優先します。 */
.hidden { display: none !important; }
.details { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 24px; margin-bottom: 18px; }.details div { white-space: pre-wrap; overflow-wrap: anywhere; }.details .wide { grid-column: 1 / -1; }.details strong { display: block; color: #52606d; font-size: 13px; margin-bottom: 4px; }
.edit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.app-area { display: grid; gap: 20px; }
.auth-card { max-width: 520px; width: 100%; margin: 30px auto; display: grid; gap: 14px; }
.auth-card h2 { margin-bottom: 0; }
.hint { color: #52606d; margin: 0; font-size: 14px; }
.user-area { display: flex; align-items: center; gap: 12px; }
.user-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
#userList { line-height: 1.8; }
.user-list { display: grid; gap: 10px; margin-top: 18px; }
.user-row { border-top: 1px solid #e5e7eb; padding-top: 10px; display: grid; grid-template-columns: 1fr minmax(320px, 1fr); gap: 14px; align-items: center; }
.reset-area { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
@media (max-width: 700px) { .toolbar, .edit-grid, .filter-bar { display: grid; grid-template-columns: 1fr; }.details { grid-template-columns: 1fr; }.details .wide { grid-column: auto; } header h1 { font-size: 23px; } }
@media (max-width: 700px) { .user-row, .reset-area { grid-template-columns: 1fr; } .user-area { flex-wrap: wrap; } }