:root {
    --primary: #1e5aa8;
    --primary-dark: #164478;
    --bg: #f4f6f9;
    --card: #ffffff;
    --border: #dde3ea;
    --text: #24292f;
    --muted: #6b7280;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar { background: var(--primary); color: #fff; }
.topbar-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 16px;
    display: flex; align-items: center; gap: 24px; height: 52px;
}
.brand { color: #fff; font-weight: 700; font-size: 16px; }
.brand span { font-weight: 400; opacity: .85; margin-left: 2px; }
.brand:hover { text-decoration: none; }
.nav { display: flex; gap: 16px; flex: 1; }
.nav a { color: rgba(255,255,255,.8); padding: 4px 8px; border-radius: 4px; }
.nav a.active, .nav a:hover { color: #fff; background: rgba(255,255,255,.15); text-decoration: none; }
.logout-form { display: flex; align-items: center; gap: 12px; }
.user-name { color: rgba(255,255,255,.85); }

.container { max-width: 1200px; margin: 24px auto; padding: 0 16px; }
.footer { text-align: center; color: var(--muted); padding: 24px 0; }

.page-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.page-head h1 { font-size: 20px; margin: 0; }
.muted { color: var(--muted); }

.search-bar { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.search-bar input[type=text] {
    flex: 1; min-width: 240px; padding: 8px 12px;
    border: 1px solid var(--border); border-radius: 6px;
}
.search-bar select { padding: 8px; border: 1px solid var(--border); border-radius: 6px; background: #fff; }

.btn {
    display: inline-block; padding: 8px 16px; border-radius: 6px; border: 1px solid transparent;
    cursor: pointer; font-size: 14px; line-height: 1.4;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: transparent; border-color: currentColor; color: inherit; }
.topbar .btn-ghost { color: #fff; border-color: rgba(255,255,255,.5); }
.btn-block { width: 100%; }

.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--border); border-radius: 8px; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
.data-table th { background: #f8fafc; font-weight: 600; color: var(--muted); font-size: 12px; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: #f0f5fb; }
.data-table .num { text-align: right; }
.data-table .empty { text-align: center; color: var(--muted); padding: 32px; }
.ellipsis { max-width: 280px; overflow: hidden; text-overflow: ellipsis; }

.badge {
    display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px;
    background: #e5e7eb; color: #374151;
}
.badge-s0 { background: #fef3c7; color: #92400e; }
.badge-s1 { background: #dbeafe; color: #1e40af; }
.badge-s2 { background: #e0e7ff; color: #3730a3; }
.badge-s3 { background: #d1fae5; color: #065f46; }
.badge-s4 { background: #f3e8ff; color: #6b21a8; }
.badge-s5 { background: #fee2e2; color: #991b1b; }

.login-box {
    max-width: 400px; margin: 48px auto; background: var(--card);
    border: 1px solid var(--border); border-radius: 8px; padding: 32px;
}
.login-box h1 { margin-top: 0; font-size: 18px; }
.login-box label { display: block; margin-bottom: 16px; font-weight: 600; }
.login-box input[type=email], .login-box input[type=password] {
    display: block; width: 100%; margin-top: 4px; padding: 10px 12px;
    border: 1px solid var(--border); border-radius: 6px; font-size: 14px;
}
.login-box .checkbox { font-weight: 400; }
.error { color: #b91c1c; }

.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; margin-bottom: 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 20px; margin-bottom: 16px; }
.card h2 { font-size: 15px; margin: 0 0 12px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.card dl { display: grid; grid-template-columns: 110px 1fr; gap: 6px 12px; margin: 0; }
.card dt { color: var(--muted); }
.card dd { margin: 0; }
.pre { white-space: pre-wrap; }

/* pagination (Tailwind風クラスを最低限スタイル) */
nav[role=navigation] { margin-top: 16px; }
nav[role=navigation] svg { width: 20px; height: 20px; }

.pager { display: flex; gap: 4px; margin-top: 16px; flex-wrap: wrap; }
.pager-item {
    display: inline-block; min-width: 32px; text-align: center; padding: 6px 10px;
    border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--text);
}
.pager-item.current { background: var(--primary); color: #fff; border-color: var(--primary); }
.pager-item.disabled { color: var(--muted); background: var(--bg); }
a.pager-item:hover { background: #f0f5fb; text-decoration: none; }

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.badge-new { background: #fef3c7; color: #92400e; }
.badge-cfm { background: #dbeafe; color: #1e40af; }
.badge-pend { background: #fde68a; color: #78350f; }
.badge-rework { background: #e0e7ff; color: #3730a3; }
.badge-done { background: #d1fae5; color: #065f46; }
.badge-can { background: #fee2e2; color: #991b1b; }
.badge-other { background: #e5e7eb; color: #374151; }

.notice {
    background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46;
    padding: 10px 16px; border-radius: 6px; margin-bottom: 16px;
}
.nav-sub { color: rgba(255,255,255,.85); margin-right: 4px; }