* { box-sizing: border-box; }
body { margin: 0; font-family: "Meiryo", "Yu Gothic UI", sans-serif; font-size: 14px; color: #222; background: #f3f5f8; }
.layout { display: flex; min-height: 100vh; }

.side { width: 200px; background: #1f3a5f; color: #fff; display: flex; flex-direction: column; }
.side .brand { padding: 18px 16px; font-size: 18px; font-weight: bold; border-bottom: 1px solid #2f4f7a; }
.side .brand small { font-size: 12px; font-weight: normal; opacity: .8; }
.side ul { list-style: none; margin: 0; padding: 8px 0; flex: 1; }
.side li a { display: block; padding: 10px 16px; color: #dbe6f5; text-decoration: none; }
.side li a:hover, .side li a.active { background: #2f5d94; color: #fff; }
.side-foot { padding: 12px 16px; font-size: 12px; border-top: 1px solid #2f4f7a; }
.side-foot a { color: #9fc3ef; }

.content { flex: 1; padding: 20px 28px; }
h1 { font-size: 20px; margin: 0 0 16px; border-left: 5px solid #2f5d94; padding-left: 10px; }
.panel { background: #fff; border: 1px solid #dde3ea; border-radius: 6px; padding: 14px; margin-bottom: 14px; }
.form-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.form-row label { display: flex; flex-direction: column; font-size: 12px; color: #555; gap: 4px; }
.form-row label.grow { flex: 1; min-width: 220px; }
input, select { padding: 6px 8px; border: 1px solid #b9c3cf; border-radius: 4px; font-size: 14px; }

button { padding: 7px 18px; border: none; border-radius: 4px; background: #2f5d94; color: #fff; cursor: pointer; font-size: 14px; }
button:hover { background: #244a77; }
button.secondary { background: #8a96a3; }
button.danger { background: #c0392b; }
button.small { padding: 4px 10px; font-size: 12px; }

.grid { width: 100%; border-collapse: collapse; }
.grid th, .grid td { border: 1px solid #dde3ea; padding: 7px 9px; text-align: left; }
.grid th { background: #e8eef6; font-weight: normal; }
.grid td.num { text-align: right; }
.grid td.btns { white-space: nowrap; text-align: center; }
.grid td.btns button + button { margin-left: 6px; }
.grid td.empty { text-align: center; color: #999; }
.grid tr.total td { font-weight: bold; background: #f7f9fc; }
.note { font-size: 12px; color: #777; margin: 8px 0 0; }
.page-foot { text-align: right; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.4); display: flex; align-items: center; justify-content: center; z-index: 10; }
.modal.hidden { display: none; }
.modal-box { background: #fff; border-radius: 6px; padding: 18px 22px; min-width: 360px; max-width: 600px; }
.modal-box h3 { margin: 0 0 10px; font-size: 16px; }
.modal-box ul { margin: 0 0 12px; padding-left: 20px; color: #b03a2e; }
.modal-btns { text-align: right; display: flex; gap: 8px; justify-content: flex-end; }

.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { background: #fff; padding: 28px 32px; border-radius: 8px; width: 340px; display: flex; flex-direction: column; gap: 12px; box-shadow: 0 2px 10px rgba(0,0,0,.1); }
.login-box h2 { margin: 0 0 6px; text-align: center; color: #1f3a5f; }
.login-box label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: #555; }
.error { color: #c0392b; margin: 0; }
.profile-form { display: flex; flex-direction: column; gap: 12px; max-width: 480px; }
.profile-form label { display: flex; flex-direction: column; font-size: 12px; color: #555; gap: 4px; }
.label-value { font-size: 14px; color: #222; padding: 6px 0; }