* { box-sizing: border-box; }
body { font-family: -apple-system, "Hiragino Sans", Meiryo, sans-serif; margin: 0; background: #f5f6f8; color: #222; }
header { background: #1a73e8; color: #fff; padding: 20px 24px; }
header h1 { margin: 0; font-size: 20px; }
.sub { margin: 4px 0 0; opacity: .85; font-size: 13px; }
/* セクション間ナビ（2026-10-21：お問い合わせ等への導線を最上部に追加） */
.section-nav { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px 24px; background: #1558b0; position: sticky; top: 0; z-index: 20; }
.section-nav a { color: #fff; text-decoration: none; font-size: 13px; padding: 6px 12px; border-radius: 6px; background: rgba(255,255,255,.12); }
.section-nav a:hover { background: rgba(255,255,255,.28); }
.section-nav a.nav-contact { background: #f9ab00; color: #3a2a00; font-weight: 600; }
.section-nav a.nav-contact:hover { background: #ffc233; }
html { scroll-behavior: smooth; }
main { max-width: 860px; margin: 24px auto; padding: 0 16px; }
.card { background: #fff; border-radius: 8px; padding: 20px; margin-bottom: 16px; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.card h2 { margin: 0 0 12px; font-size: 16px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.row input { padding: 8px 10px; border: 1px solid #ccc; border-radius: 6px; font-size: 14px; }
button { background: #1a73e8; color: #fff; border: 0; padding: 8px 14px; border-radius: 6px; cursor: pointer; font-size: 14px; }
button:hover { background: #1558b0; }
button:disabled { background: #aaa; cursor: not-allowed; }
button.danger { background: #d93025; }
button.danger:hover { background: #a52714; }
button.small { padding: 4px 10px; font-size: 12px; }
.item { padding: 8px 10px; border: 1px solid #eee; border-radius: 6px; margin-bottom: 6px; cursor: pointer; }
.item:hover { background: #f0f6ff; }
.tag { font-size: 11px; background: #e8f0fe; color: #1a73e8; padding: 2px 6px; border-radius: 4px; margin-left: 6px; }
.tag.ok { background: #e6f4ea; color: #137333; }
.tag.warn { background: #fef7e0; color: #b06000; }
.tag.muted { background: #f1f3f4; color: #5f6368; }
.session-bar { margin-top: 8px; }
.session-bar .tag { margin-left: 0; margin-right: 8px; }
.me-table { border-collapse: collapse; width: 100%; }
.me-table th { text-align: left; padding: 6px 10px; background: #f8f9fa; width: 140px; font-weight: 600; font-size: 13px; }
.me-table td { padding: 6px 10px; border-bottom: 1px solid #eee; font-size: 14px; }
.log { padding: 6px 8px; border-radius: 4px; margin-bottom: 4px; font-size: 13px; }
.log.success { background: #e6f4ea; }
.log.fail { background: #fce8e6; }
.log.skip { background: #fef7e0; }
.muted { color: #888; font-size: 13px; }
.small { font-size: 12px; }
/* 問い合わせフォームのステータス文字色（導入前フォーム + 既存カード問い合わせ共通） */
.warn { color: #d93025; }
.ok { color: #137333; }
.tag.danger { background: #fce8e6; color: #c5221f; }
.summary { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.stat { background: #e8f0fe; color: #1a73e8; padding: 6px 12px; border-radius: 6px; font-size: 13px; }
.admin-table { border-collapse: collapse; width: 100%; margin-bottom: 12px; }
.admin-table th, .admin-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #eee; font-size: 13px; }
.admin-table th { background: #f8f9fa; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.link { color: #1a73e8; text-decoration: none; font-size: 12px; margin-left: 2px; }
.link:hover { text-decoration: underline; }

/* Phase 1 首屏ダッシュボード */
.health-bar { padding: 8px 12px; border-radius: 6px; margin-top: 10px; font-size: 13px; font-weight: 600; }
.health-bar.ok { background: #e6f4ea; color: #137333; }
.health-bar.warn { background: #fef7e0; color: #b06000; }
.health-bar.danger { background: #fce8e6; color: #c5221f; }
/* 阶段2：入口 A/B 同一必須配对バナー（缺端プロンプト＋入口表示） */
.pairing-banner { padding: 12px 16px; border-radius: 8px; margin: 12px 0; border-left: 4px solid #1a73e8; background: #e8f0fe; color: #1a3a6b; font-size: 13px; line-height: 1.6; }
.pairing-banner.warn { border-left-color: #b06000; background: #fef7e0; color: #5c3a00; }
.pairing-banner.danger { border-left-color: #c5221f; background: #fce8e6; color: #7a1815; }
.pairing-banner strong { display: block; font-size: 14px; margin-bottom: 4px; }
.pairing-banner p { margin: 0 0 8px; }
.pairing-banner button.small { margin-top: 2px; }
.resv-supplement { padding: 12px 16px; border-radius: 8px; margin: 12px 0 4px; border: 1px solid #e0e0e0; background: #f8f9fa; color: #444; font-size: 13px; line-height: 1.7; }
.resv-supplement b { color: #333; }

/* 阶段4：OAuth ウィザード（M5 接続管理） */
.oauth-wizard { margin: 10px 0 4px; }
.wizard-progress { font-weight: 600; margin-bottom: 12px; color: #1565c0; }
.wizard-step { border: 1px solid #e0e0e0; border-radius: 8px; padding: 12px 14px; margin-bottom: 10px; background: #fff; }
.wizard-step.active { border-color: #1565c0; box-shadow: 0 0 0 2px rgba(21,101,192,.12); }
.wizard-step.done { background: #f3faf4; border-color: #b7dfc0; }
.wizard-step.pending { opacity: .9; }
.ws-head { display: flex; align-items: center; gap: 8px; }
.ws-num { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; background: #1565c0; color: #fff; font-size: 13px; font-weight: 700; flex: 0 0 auto; }
.wizard-step.done .ws-num { background: #2e7d32; }
.ws-title { font-weight: 600; flex: 1; }
.ws-note { margin: 6px 0 10px; line-height: 1.6; }
.ws-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin: 12px 0; }
.dashboard-card { border: 1px solid #eee; border-radius: 8px; padding: 14px; background: #fafbfc; }
.dashboard-card h4 { margin: 0 0 8px; font-size: 14px; color: #333; }
.dashboard-card .metric { font-size: 13px; color: #555; margin-top: 6px; }
#todo-box { margin-top: 8px; }
#todo-box h3 { font-size: 14px; margin: 0 0 8px; }
.todo-item { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid #f0f0f0; }
.highlight { outline: 3px solid #1a73e8; outline-offset: 4px; }

/* Phase 2：M4 認証・有効期限 */
.cred-item { border: 1px solid #eee; border-radius: 8px; padding: 12px; margin-bottom: 10px; background: #fafbfc; }
.cred-main { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cred-label { font-size: 14px; font-weight: 600; color: #333; }
.cred-days { font-size: 12px; padding: 2px 8px; border-radius: 4px; }
.cred-days.ok { background: #e6f4ea; color: #137333; }
.cred-days.warn { background: #fef7e0; color: #b06000; }
.cred-days.danger { background: #fce8e6; color: #c5221f; }
.cred-sub { margin: 6px 0 8px; }

/* Phase 2：M7 ログタブ */
.tabs { margin-bottom: 10px; }
.tab { background: #f1f3f4; color: #5f6368; border: 0; padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 13px; }
.tab.active { background: #1a73e8; color: #fff; }

/* Phase 2：自前確認モーダル */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.35); display: flex; align-items: center; justify-content: center; z-index: 1000; }
.modal { background: #fff; border-radius: 10px; padding: 22px 24px; max-width: 380px; width: 90%; box-shadow: 0 8px 30px rgba(0,0,0,.2); }
.modal p { margin: 0 0 16px; font-size: 14px; line-height: 1.6; white-space: pre-line; }

/* Phase 2：AI ヘルプ */
.ai-answer { margin-top: 10px; padding: 12px; border: 1px solid #eee; border-radius: 8px; background: #fafbfc; min-height: 24px; }
.ai-text { font-size: 14px; line-height: 1.7; white-space: pre-wrap; }

/* Phase 2：軽量トースト */
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px); background: #323232; color: #fff; padding: 10px 18px; border-radius: 8px; font-size: 13px; opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; z-index: 1100; max-width: 90%; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.ok { background: #137333; }
.toast.warn { background: #b06000; }

/* NE 導入設定 图文ガイド 入口バナー（管理画面最上部） */
.guide-banner { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: #e8f0fe; border: 1px solid #c2d7fb; border-left: 4px solid #1a73e8; border-radius: 8px; padding: 12px 16px; margin-bottom: 16px; }
.guide-banner .gb-text { font-weight: 600; color: #1a3a6b; font-size: 14px; }
.guide-banner .gb-text small { display: block; font-weight: 400; color: #5f6368; font-size: 12px; margin-top: 2px; }
.guide-btn { background: #1a73e8; color: #fff; text-decoration: none; padding: 8px 16px; border-radius: 6px; font-size: 14px; white-space: nowrap; }
.guide-btn:hover { background: #1558b0; text-decoration: none; }