:root {
    --bg: #f7f8fb;
    --surface: #ffffff;
    --ink: #111827;
    --ink-sub: #4b5563;
    --muted: #9ca3af;
    --border: #e5e7eb;
    --brand: #1d4ed8;
    --brand-ink: #0b2570;
    --accent: #0ea5e9;
    --warn: #b45309;
    --danger: #b91c1c;
    --success: #047857;
    --radius: 10px;
    color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif; line-height: 1.6; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #f1f5f9; padding: 0 4px; border-radius: 4px; font-size: .9em; }
small { color: var(--ink-sub); }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
/* 配信先テーブルなどボタンが多い画面用の広めコンテナ */
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 20px; }

/* header */
.site-header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; }
.brand { display: inline-flex; align-items: baseline; gap: 6px; font-weight: 700; font-size: 1.1rem; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--accent); }
.brand-sub { color: var(--ink-sub); font-weight: 500; font-size: .85em; }
.site-nav { display: flex; gap: 6px; align-items: center; }
.nav-link { padding: 8px 12px; border-radius: 6px; color: var(--ink-sub); }
.nav-link:hover { background: #eef2ff; text-decoration: none; }
.nav-link.is-active { background: #e0e7ff; color: var(--brand-ink); }
.nav-cta { background: var(--brand); color: #fff; }
.nav-cta:hover { background: var(--brand-ink); color: #fff; }
.nav-button { background: none; border: none; cursor: pointer; font: inherit; }
.logout-form { display: inline; margin: 0; }

.site-main { padding: 32px 0 64px; }
.site-footer { padding: 24px 0; color: var(--muted); text-align: center; border-top: 1px solid var(--border); background: #fff; }

/* flashes */
.flash { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; }
.flash-success { background: #ecfdf5; border: 1px solid #6ee7b7; color: var(--success); }
.flash-error { background: #fef2f2; border: 1px solid #fca5a5; color: var(--danger); }
.flash-warn { background: #fffbeb; border: 1px solid #fcd34d; color: var(--warn); }
.flash ul { margin: 0; padding-left: 18px; }

/* page heads */
.page-title { font-size: 1.8rem; margin: 0 0 6px; }
.page-sub { color: var(--ink-sub); margin: 0 0 24px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }

/* hero */
.hero { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; padding: 32px 0 64px; }
@media (max-width: 760px) { .hero { grid-template-columns: 1fr; } }
.eyebrow { color: var(--accent); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; margin: 0 0 8px; font-size: .85rem; }
.hero-title { font-size: 2.6rem; line-height: 1.25; margin: 0 0 16px; }
.hero-title .accent { background: linear-gradient(90deg, #0ea5e9, #1d4ed8); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lead { font-size: 1.05rem; color: var(--ink-sub); margin: 0 0 24px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.hero-fineprint { color: var(--muted); font-size: .85rem; }

.btn { display: inline-block; padding: 10px 18px; border-radius: var(--radius); font-weight: 600; border: 1px solid transparent; cursor: pointer; font-size: .95rem; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-ink); text-decoration: none; color: #fff; }
.btn-ghost { background: #fff; color: var(--brand); border-color: var(--border); }
.btn-ghost:hover { background: #eef2ff; text-decoration: none; }
.btn-danger { background: #fff; color: var(--danger); border-color: #fca5a5; }
.btn-danger:hover { background: #fef2f2; }
.btn-sm { padding: 4px 10px; font-size: .85rem; }

/* hero visual */
.card-stack { display: grid; gap: 14px; }
.alert-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: 0 6px 24px rgba(15, 23, 42, .04); }
.alert-card.faded { opacity: .55; }
.alert-tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .7rem; font-weight: 700; letter-spacing: .03em; margin-bottom: 6px; text-transform: uppercase; }
.tag-buyer { background: #fef3c7; color: #92400e; }
.tag-info { background: #e0f2fe; color: #075985; }
.tag-noise { background: #f3f4f6; color: var(--muted); }
.alert-card p { margin: 4px 0; }

/* features */
.features { padding: 32px 0; }
.section-title { font-size: 1.4rem; margin: 0 0 16px; }
.section-lead { color: var(--ink-sub); margin: 0 0 20px; }
.features-grid, .plans-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.feature-card, .plan-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.feature-icon { font-size: 1.8rem; margin-bottom: 6px; }
.feature-card h3 { margin: 0 0 6px; }
.feature-card p { margin: 0; color: var(--ink-sub); }

/* plans */
.plans { padding: 32px 0; }
.plan-card { position: relative; }
.plan-card h3 { margin: 0 0 8px; }
.plan-price { font-size: 1.8rem; font-weight: 700; margin: 0 0 12px; }
.plan-price small { font-size: .9rem; color: var(--ink-sub); font-weight: 400; margin-left: 4px; }
.plan-card ul { padding-left: 18px; margin: 0; }
.plan-recommended { border-color: var(--brand); box-shadow: 0 8px 24px rgba(29, 78, 216, .08); }
.plan-badge { position: absolute; top: -10px; right: 16px; background: var(--brand); color: #fff; font-size: .7rem; padding: 4px 8px; border-radius: 999px; }

/* dashboard cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 24px 0; }
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.card-title { margin: 0 0 8px; font-size: .95rem; color: var(--ink-sub); font-weight: 600; }
.card-metric { font-size: 1.6rem; font-weight: 700; margin: 4px 0; }
.card-metric small { font-size: .8rem; color: var(--ink-sub); font-weight: 400; margin-left: 4px; }
.card-meta { color: var(--ink-sub); margin: 4px 0; font-size: .9rem; }
.card-meta.is-warn { color: var(--danger); font-weight: 600; }
.card-link { display: inline-block; margin-top: 8px; font-size: .9rem; }

.progress { background: #e5e7eb; height: 8px; border-radius: 999px; overflow: hidden; margin-top: 8px; }
.progress-bar { background: linear-gradient(90deg, var(--accent), var(--brand)); height: 100%; }

.user-card .kv { display: grid; grid-template-columns: 200px 1fr; gap: 8px 16px; margin: 0; }
.user-card .kv dt { color: var(--ink-sub); font-size: .9rem; }
.user-card .kv dd { margin: 0; }

/* tables */
.data-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin: 16px 0; }
.data-table th, .data-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table th { background: #f9fafb; color: var(--ink-sub); font-size: .85rem; }
.data-table tr:last-child td { border-bottom: none; }
.data-table .q { font-size: .85rem; max-width: 320px; display: inline-block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; vertical-align: middle; }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; min-width: 240px; }
.row-actions form { margin: 0; }
/* 横スクロール: テーブルがコンテナを超えても layout は崩さない */
.table-scroll { overflow-x: auto; }
.table-scroll .data-table { min-width: 980px; }

.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .75rem; font-weight: 600; }
.pill-on { background: #ecfdf5; color: var(--success); }
.pill-off { background: #fef2f2; color: var(--danger); }

/* empty state */
.empty-state { background: #fff; border: 1px dashed var(--border); border-radius: var(--radius); padding: 40px; text-align: center; margin: 24px 0; }
.empty-state p { margin: 0 0 16px; color: var(--ink-sub); }

/* forms */
.form-stack { display: grid; gap: 16px; max-width: 720px; background: #fff; padding: 24px; border-radius: var(--radius); border: 1px solid var(--border); }
.field { display: grid; gap: 6px; }
.field > span, .field > legend { font-weight: 600; font-size: .9rem; }
.field input[type="text"],
.field input[type="url"],
.field input[type="tel"],
.field input[type="email"],
.field input[type="password"],
.field input[type="number"],
.field input[type="search"],
.field select,
.field textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font: inherit; }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.checkbox { display: flex; align-items: center; gap: 8px; }
.checkbox-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px; }
.form-actions { display: flex; gap: 8px; justify-content: flex-end; }
.note { color: var(--ink-sub); font-size: .9rem; }
.code-block { background: #0f172a; color: #f1f5f9; padding: 12px; border-radius: 8px; font-size: .85rem; white-space: pre-wrap; word-break: break-all; margin: 8px 0; }

/* hits */
.hit-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.hit-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 20px; }
.hit-item.is-filtered { opacity: .65; }
.hit-head { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.hit-meta { display: flex; gap: 6px; align-items: center; color: var(--ink-sub); font-size: .85rem; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .7rem; font-weight: 600; }
.tag-intent { background: #fef3c7; color: #92400e; }
.tag-sentiment { background: #e0f2fe; color: #075985; }
.tag-filtered { background: #f3f4f6; color: var(--muted); }
.hit-text { margin: 8px 0; white-space: pre-wrap; }
.hit-foot { display: flex; justify-content: space-between; gap: 12px; font-size: .85rem; color: var(--ink-sub); }

/* inline (テキスト欄直下) のアクション行 */
.inline-actions { display: flex; align-items: center; gap: 10px; margin-top: 6px; flex-wrap: wrap; }

/* ルール作成: 2 カラム (左=フォーム / 右=プレビュー) */
.rule-create-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: start;
}
@media (min-width: 1000px) {
    .rule-create-layout {
        grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    }
}
.rule-create-form-col { min-width: 0; }
.rule-create-preview-col { min-width: 0; }
@media (min-width: 1000px) {
    /* スクロールに追従させて、長いフォームの編集中もプレビューが見える */
    .rule-create-preview-col { position: sticky; top: 80px; max-height: calc(100vh - 100px); overflow-y: auto; }
}
.preview-placeholder {
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    background: #fff;
    padding: 24px;
    color: var(--ink-sub);
    text-align: center;
}
.preview-placeholder p { margin: 0; }

/* プレビュー結果ブロック */
.preview-block { background: #f9fafb; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin: 4px 0 8px; }
.preview-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.preview-head small, .preview-meta { color: var(--ink-sub); display: block; margin-top: 2px; }
.preview-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.preview-item { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.preview-item header { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }
.author-link { color: inherit; text-decoration: none; display: inline-flex; align-items: baseline; gap: 6px; }
.author-link:hover { text-decoration: underline; color: var(--brand); }
.author-link strong, .author-link small { transition: color .1s; }
.preview-item p { margin: 4px 0; white-space: pre-wrap; }
.preview-item small { color: var(--ink-sub); }

/* テスト送信結果の inline kv 表示 */
.kv-inline { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .9rem; }
.kv-inline li { white-space: nowrap; }
.kv-inline code { background: rgba(0,0,0,.05); }
details summary { cursor: pointer; margin-top: 8px; font-size: .85rem; color: var(--ink-sub); }