:root {
  --ink: #2b1e08;
  --paper: #f7f0d0;
  --gold: #c49a02;
  --soba: #c4a030;
  --dashi: #edd88a;
  --accent: #9b5520;
  --gray-50: #fafaf8;
  --gray-100: #f0ede6;
  --gray-200: #e5e0d4;
  --gray-300: #d0c8b5;
  --gray-500: #8a8170;
  --gray-700: #4a4337;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Noto Sans JP', sans-serif; background: var(--gray-50); color: var(--ink); min-height: 100vh; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

/* ============ ログイン画面 ============ */
#login-screen { position: fixed; inset: 0; background: var(--ink); display: flex; align-items: center; justify-content: center; z-index: 1000; }
.login-box { background: var(--paper); padding: 56px 48px; max-width: 400px; width: 90%; text-align: center; box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.login-logo { height: 64px; margin-bottom: 18px; }
.login-box h1 { font-size: 1.4rem; font-weight: 500; letter-spacing: 0.1em; margin-bottom: 8px; }
.login-box p { font-size: 0.84rem; color: var(--gray-500); margin-bottom: 28px; }
.login-box input { width: 100%; padding: 14px 18px; font-size: 1rem; border: 1px solid var(--gray-300); background: #fff; margin-bottom: 14px; text-align: center; letter-spacing: 0.3em; }
.login-box input:focus { outline: none; border-color: var(--gold); }
.login-box button { width: 100%; padding: 16px; background: var(--gold); color: #fff; border: none; font-size: 0.92rem; letter-spacing: 0.18em; transition: all 0.2s; font-weight: 500; }
.login-box button:hover { background: var(--ink); color: var(--dashi); }
#pw-error { font-size: 0.82rem; color: var(--accent); margin-top: 14px; min-height: 20px; }
.login-back { display: inline-flex; align-items: center; gap: 6px; margin-top: 24px; color: var(--gray-500); text-decoration: none; font-size: 0.78rem; }
.login-back svg { width: 14px; height: 14px; }
.login-back:hover { color: var(--ink); }

/* ============ ヘッダー ============ */
.admin-header {
  position: sticky; top: 0; z-index: 50;
  background: #fff; border-bottom: 1px solid var(--gray-200);
  padding: 16px 32px;
  display: flex; justify-content: space-between; align-items: center;
}
.admin-logo { display: flex; align-items: center; gap: 12px; }
.admin-logo img { height: 36px; }
.admin-logo span { font-size: 1.05rem; font-weight: 500; letter-spacing: 0.06em; }
.admin-actions { display: flex; gap: 10px; align-items: center; }
.btn-ghost, .btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border: 1px solid var(--gray-300);
  background: #fff; color: var(--ink);
  font-size: 0.82rem; letter-spacing: 0.06em;
  transition: all 0.2s; text-decoration: none;
}
.btn-ghost:hover { background: var(--gray-100); }
.btn-primary { background: var(--gold); color: #fff; border-color: var(--gold); }
.btn-primary:hover { background: var(--ink); color: var(--dashi); border-color: var(--ink); }
.btn-ghost svg, .btn-primary svg { width: 16px; height: 16px; }

/* ============ タブ ============ */
.admin-tabs {
  display: flex; gap: 4px; padding: 0 32px;
  background: #fff; border-bottom: 1px solid var(--gray-200);
  overflow-x: auto;
}
.admin-tabs::-webkit-scrollbar { display: none; }
.tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 16px 22px; background: none; border: none;
  font-size: 0.86rem; color: var(--gray-500);
  border-bottom: 2px solid transparent;
  transition: all 0.2s; white-space: nowrap;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); border-bottom-color: var(--gold); font-weight: 500; }
.tab svg { width: 16px; height: 16px; }
.tab-pw {
  display: inline-flex; align-items: center; gap: 8px;
  margin-left: auto; padding: 10px 16px;
  background: none; border: 1px solid var(--gray-300);
  color: var(--gray-500); font-size: 0.78rem; letter-spacing: 0.04em;
  align-self: center;
  transition: all 0.2s; white-space: nowrap;
}
.tab-pw:hover { background: var(--gray-100); color: var(--ink); border-color: var(--gray-500); }
.tab-pw svg { width: 14px; height: 14px; }

/* ============ メイン ============ */
.admin-main { max-width: 920px; margin: 0 auto; padding: 40px 32px 80px; }
.field-group { background: #fff; border: 1px solid var(--gray-200); margin-bottom: 16px; }
.field-text, .field-image { padding: 22px 26px; }
.field-text + .field-text, .field-text + .field-image, .field-image + .field-text, .field-image + .field-image { border-top: 1px solid var(--gray-100); }
.field-label {
  font-size: 0.78rem; font-weight: 500; color: var(--gray-700);
  margin-bottom: 10px; letter-spacing: 0.04em;
  display: flex; align-items: center; gap: 8px;
}
.field-label .badge { font-size: 0.66rem; background: var(--gray-100); padding: 2px 8px; color: var(--gray-500); border-radius: 3px; letter-spacing: 0; }
.field-text input[type="text"], .field-text textarea {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--gray-200); background: var(--gray-50);
  font-size: 0.94rem; color: var(--ink);
  transition: border-color 0.2s;
}
.field-text input[type="text"]:focus, .field-text textarea:focus {
  outline: none; border-color: var(--gold); background: #fff;
}
.field-text textarea { resize: vertical; min-height: 80px; line-height: 1.7; }
.field-text input.edited, .field-text textarea.edited { border-color: var(--gold); background: #fffceb; }
.edited-badge { position: absolute; top: 8px; right: 8px; background: var(--gold); color: var(--ink); font-size: 0.66rem; padding: 4px 10px; letter-spacing: 0.04em; font-weight: 500; }

/* 画像フィールド */
.field-image .image-row { display: grid; grid-template-columns: 200px 1fr; gap: 20px; align-items: start; }
.image-preview {
  width: 100%; aspect-ratio: 4/3; background: var(--gray-100);
  border: 1px solid var(--gray-200); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.image-preview img { width: 100%; height: 100%; object-fit: cover; }
.image-preview .placeholder { color: var(--gray-500); font-size: 0.78rem; }
.image-actions { display: flex; flex-direction: column; gap: 10px; }
.image-actions input[type="file"] { display: none; }
.btn-upload, .btn-revert {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border: 1px solid var(--gray-300);
  background: #fff; color: var(--ink); font-size: 0.82rem;
  cursor: pointer; transition: all 0.2s;
}
.btn-upload:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-revert:hover { background: var(--gray-100); }
.btn-upload svg, .btn-revert svg { width: 14px; height: 14px; }
.image-meta { font-size: 0.74rem; color: var(--gray-500); margin-top: 4px; line-height: 1.6; }

/* ============ タブパネル ============ */
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.section-title { font-size: 1.4rem; font-weight: 500; letter-spacing: 0.06em; margin-bottom: 6px; }
.section-desc { font-size: 0.84rem; color: var(--gray-500); margin-bottom: 28px; }

/* ============ モーダル ============ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(26,18,8,0.6); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.modal-box {
  background: #fff; padding: 44px 40px 36px; max-width: 440px; width: 100%;
  position: relative; box-shadow: 0 24px 60px rgba(0,0,0,0.3);
}
.modal-close {
  position: absolute; top: 14px; right: 14px;
  background: none; border: none; color: var(--gray-500);
  padding: 6px; display: inline-flex; align-items: center; justify-content: center;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--ink); }
.modal-close svg { width: 18px; height: 18px; }
.modal-box h2 { font-size: 1.2rem; font-weight: 500; letter-spacing: 0.06em; margin-bottom: 6px; }
.modal-box > p { font-size: 0.8rem; color: var(--gray-500); margin-bottom: 22px; }
.modal-box label { display: block; font-size: 0.72rem; font-weight: 500; color: var(--gray-700); letter-spacing: 0.04em; margin: 14px 0 6px; }
.modal-box input[type="password"] {
  width: 100%; padding: 11px 14px;
  border: 1px solid var(--gray-200); background: var(--gray-50);
  font-size: 0.94rem;
}
.modal-box input[type="password"]:focus { outline: none; border-color: var(--gold); background: #fff; }
#pw-modal-error { font-size: 0.78rem; color: var(--accent); min-height: 18px; margin-top: 10px; }
.modal-btn { width: 100%; margin-top: 14px; padding: 14px; justify-content: center; }

/* ============ トースト ============ */
#toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%) translateY(100px);
  background: var(--ink); color: var(--paper);
  padding: 14px 28px; font-size: 0.86rem; letter-spacing: 0.06em;
  transition: transform 0.3s ease;
  z-index: 100;
}
#toast.show { transform: translateX(-50%) translateY(0); }
#toast.error { background: var(--accent); }

/* ============ レポート ============ */
.rp-header { display:flex; justify-content:space-between; align-items:flex-end; gap:16px; margin-bottom:20px; }
.rp-period select { padding:8px 14px; border:1px solid var(--gray-300); background:#fff; border-radius:4px; font-size:0.86rem; color:var(--ink); cursor:pointer; font-family:inherit; }
.rp-period select:focus { outline:none; border-color:var(--gold); }

.rp-banner { display:flex; gap:14px; align-items:flex-start; padding:18px 22px; background:rgba(196,154,2,0.06); border-left:3px solid var(--gold); margin-bottom:24px; border-radius:2px; }
.rp-banner-icon { font-size:22px; line-height:1.2; flex-shrink:0; }
.rp-banner-text strong { display:block; font-size:0.95rem; color:var(--ink); margin-bottom:4px; font-weight:600; }
.rp-banner-text > div { font-size:0.82rem; color:var(--gray-700); line-height:1.7; }
.rp-banner a { color:var(--gold); text-decoration:underline; }

.rp-kpis { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-bottom:24px; }
.rp-kpi { background:#fff; border:1px solid var(--gray-200); padding:16px 18px; border-radius:4px; }
.rp-kpi-label { font-size:0.72rem; color:var(--gray-500); margin-bottom:6px; letter-spacing:0.04em; }
.rp-kpi-value { font-size:1.6rem; font-weight:700; color:var(--ink); letter-spacing:-0.01em; line-height:1.2; }
.rp-kpi-change { font-size:0.72rem; margin-top:6px; font-weight:600; color:var(--gray-500); }
.rp-kpi-change.rp-up { color:#2b8a3e; }
.rp-kpi-change.rp-down { color:var(--accent); }
.rp-kpi-change.rp-muted { color:var(--gray-500); font-weight:400; }

.rp-block { background:#fff; border:1px solid var(--gray-200); padding:20px 22px; margin-bottom:16px; border-radius:4px; }
.rp-block-head { display:flex; justify-content:space-between; align-items:center; margin-bottom:14px; gap:12px; flex-wrap:wrap; }
.rp-block-head h4 { font-size:0.95rem; font-weight:600; color:var(--ink); letter-spacing:0.02em; }
.rp-legend { font-size:0.72rem; color:var(--gray-500); display:flex; gap:14px; align-items:center; }
.rp-legend .dot { display:inline-block; width:10px; height:10px; border-radius:50%; margin-right:6px; vertical-align:middle; }
.rp-legend .dot-gold { background:var(--gold); }
.rp-legend .dot-green { background:#4ade80; }

.rp-chart { position:relative; height:220px; }
.rp-donut { height:220px; }
.rp-empty-chart { display:flex; align-items:center; justify-content:center; height:100%; color:var(--gray-500); font-size:0.82rem; }

.rp-grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:16px; }
.rp-grid-2 .rp-block { margin-bottom:0; }

.rp-table { width:100%; border-collapse:collapse; font-size:0.86rem; }
.rp-table th, .rp-table td { padding:10px 12px; text-align:left; border-bottom:1px solid var(--gray-100); }
.rp-table th { font-size:0.72rem; color:var(--gray-500); font-weight:600; letter-spacing:0.04em; text-transform:uppercase; }
.rp-table td { color:var(--ink); }
.rp-empty { text-align:center; color:var(--gray-500); padding:24px 0 !important; }

.rp-funnel { display:grid; gap:8px; }
.funnel-step { position:relative; background:var(--gray-50); border-radius:4px; overflow:hidden; }
.funnel-bar { position:absolute; inset:0 auto 0 0; background:linear-gradient(90deg, rgba(196,154,2,0.22), rgba(196,154,2,0.12)); transition:width 0.5s ease; }
.funnel-info { position:relative; padding:12px 16px; display:flex; justify-content:space-between; align-items:center; font-size:0.88rem; }
.funnel-info span { color:var(--ink); }
.funnel-info strong { color:var(--ink); font-weight:700; }

.rp-footer-note { margin-top:18px; padding-top:16px; border-top:1px solid var(--gray-200); font-size:0.76rem; color:var(--gray-500); line-height:1.8; }
.rp-footer-note a { color:var(--gold); text-decoration:none; }
.rp-footer-note a:hover { text-decoration:underline; }
.rp-sub { font-size:0.78rem; color:var(--gray-500); margin-top:2px; }

@media(max-width:700px){
  .rp-kpis { grid-template-columns:repeat(2,1fr); gap:10px; }
  .rp-kpi-value { font-size:1.3rem; }
  .rp-grid-2 { grid-template-columns:1fr; }
  .rp-header { flex-direction:column; align-items:stretch; }
  .rp-table { font-size:0.78rem; }
  .rp-table th, .rp-table td { padding:8px 6px; }
}

/* ============ レスポンシブ ============ */
@media(max-width:700px){
  .admin-header { padding: 12px 16px; flex-wrap: wrap; gap: 12px; }
  .admin-logo span { font-size: 0.92rem; }
  .admin-actions { width: 100%; justify-content: space-between; }
  .btn-ghost, .btn-primary { padding: 9px 12px; font-size: 0.74rem; }
  .btn-ghost span, .btn-primary span { display: none; }
  .admin-tabs { padding: 0 16px; }
  .tab { padding: 14px 14px; font-size: 0.78rem; }
  .admin-main { padding: 28px 16px 60px; }
  .field-text, .field-image { padding: 18px 18px; }
  .field-image .image-row { grid-template-columns: 1fr; }
  .image-preview { max-width: 280px; }
  .login-box { padding: 40px 28px; }
}