/* AI実務支援（v3.00） — 既存トーンに合わせた補助スタイル */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.ai-support-page {
  --ai-accent: #0f766e;
  --ai-accent-soft: rgba(15, 118, 110, 0.12);
}

.ai-support-page .hero--subpage {
  background: linear-gradient(
    155deg,
    color-mix(in srgb, var(--ai-accent) 38%, #0b1220) 0%,
    #1e293b 55%,
    color-mix(in srgb, var(--ai-accent) 55%, #0f172a) 100%
  );
}

.ai-hero__title {
  font-size: clamp(1.35rem, 3.8vw, 2.1rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--white);
}

.ai-hero__lead {
  margin: 0;
  max-width: 40rem;
  color: rgba(226, 232, 240, 0.95);
  font-size: clamp(0.95rem, 1.9vw, 1.05rem);
}

.ai-feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 1.25rem;
}

.ai-feature-card {
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  padding: 1.25rem 1.2rem;
  background: var(--white);
  box-shadow: 0 2px 14px rgba(15, 23, 42, 0.05);
}

.ai-feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  color: var(--navy-900);
}

.ai-feature-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--navy-700);
  line-height: 1.65;
}

.ai-link-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
}

.ai-link-list li {
  margin-bottom: 0.4rem;
}

.ai-scene-list {
  margin: 0;
  padding-left: 1.2rem;
}

.ai-scene-list li {
  margin-bottom: 0.45rem;
}

/* プロンプト集 */
.ai-prompt-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
  margin-bottom: 1.25rem;
}

.ai-prompt-toolbar label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy-800);
  display: block;
  margin-bottom: 0.25rem;
}

.ai-prompt-toolbar select,
.ai-prompt-toolbar input[type="search"] {
  font: inherit;
  padding: 0.5rem 0.65rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  min-width: 12rem;
}

.ai-prompt-count {
  font-size: 0.85rem;
  color: var(--navy-700);
  margin-left: auto;
}

.ai-prompt-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ai-prompt-card {
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem;
  background: var(--white);
}

.ai-prompt-card__head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: baseline;
  margin-bottom: 0.5rem;
}

.ai-prompt-card__cat {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ai-accent);
}

.ai-prompt-card h3 {
  margin: 0;
  font-size: 1.08rem;
  flex: 1 1 200px;
  color: var(--navy-900);
}

.ai-prompt-meta {
  font-size: 0.88rem;
  color: var(--navy-700);
  margin: 0.35rem 0 0.75rem;
}

.ai-prompt-body-wrap {
  margin-top: 0.5rem;
}

.ai-prompt-body-wrap details {
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 0.65rem 0.85rem;
  background: var(--surface);
}

.ai-prompt-body-wrap summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--navy-900);
}

.ai-prompt-body {
  margin: 0.65rem 0 0;
  font-size: 0.88rem;
  white-space: pre-wrap;
  line-height: 1.65;
  color: var(--navy-800);
}

.ai-prompt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.ai-admin-note {
  margin-top: 0.9rem;
  font-size: 0.82rem;
  color: var(--navy-700);
}

.btn--sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
}

/* チャット */
.ai-chat-layout {
  max-width: 52rem;
  margin: 0 auto;
}

.ai-chat-purpose {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.ai-chat-purpose button {
  font: inherit;
  cursor: pointer;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid #cbd5e1;
  background: var(--white);
  color: var(--navy-800);
  font-size: 0.88rem;
}

.ai-chat-purpose button.is-active {
  border-color: var(--ai-accent);
  background: var(--ai-accent-soft);
  color: #0f766e;
  font-weight: 600;
}

.ai-chat-modes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1rem;
}

.ai-chat-modes label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-right: 0.35rem;
}

.ai-chat-modes select {
  font: inherit;
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
}

.ai-chat-log {
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  min-height: 280px;
  max-height: min(52vh, 480px);
  overflow-y: auto;
  padding: 1rem;
  background: #f8fafc;
  margin-bottom: 0.75rem;
}

.ai-chat-msg {
  margin-bottom: 0.85rem;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  font-size: 0.92rem;
  line-height: 1.65;
}

.ai-chat-msg--user {
  background: #e0f2fe;
  margin-left: 1.5rem;
  color: var(--navy-900);
}

.ai-chat-msg--bot {
  background: var(--white);
  border: 1px solid #e2e8f0;
  margin-right: 1.5rem;
  white-space: pre-wrap;
}

.ai-chat-msg--system {
  background: #fef3c7;
  border: 1px solid #fcd34d;
  font-size: 0.85rem;
}

.ai-chat-loading {
  display: none;
  font-size: 0.9rem;
  color: var(--navy-700);
  margin-bottom: 0.5rem;
}

.ai-chat-loading.is-visible {
  display: block;
}

.ai-chat-form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.ai-chat-form textarea {
  flex: 1 1 240px;
  min-height: 4.5rem;
  font: inherit;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  resize: vertical;
}

.ai-chat-cta {
  display: none;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
}

.ai-chat-cta.is-visible {
  display: flex;
}

.ai-disclaimer {
  font-size: 0.78rem;
  color: var(--navy-700);
  line-height: 1.6;
  margin: 1rem 0 0;
  padding: 0.75rem 0.9rem;
  background: #f1f5f9;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
}

/* トレンド */
.ai-trends-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.ai-trend-card {
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem;
  background: var(--white);
}

.ai-trend-card__meta {
  font-size: 0.78rem;
  color: var(--navy-700);
  margin-bottom: 0.35rem;
}

.ai-trend-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.ai-trend-card p {
  margin: 0 0 0.45rem;
  font-size: 0.92rem;
}

.ai-trend-card .hint {
  font-size: 0.88rem;
  color: #0f766e;
  font-weight: 500;
}

/* 管理画面 */
.admin-panel {
  border: 1px solid #dbe3ee;
  border-radius: var(--radius);
  background: var(--white);
  padding: 1rem;
}

.admin-status {
  min-height: 1.8rem;
  font-size: 0.88rem;
  margin-bottom: 0.5rem;
}

.admin-status.is-ok {
  color: #065f46;
}

.admin-status.is-error {
  color: #991b1b;
}

.admin-errors {
  font-size: 0.86rem;
  margin-bottom: 0.6rem;
}

.admin-summary {
  font-size: 0.88rem;
  color: var(--navy-800);
  margin: 0.4rem 0 0.8rem;
}

.admin-table th,
.admin-table td {
  font-size: 0.82rem;
  vertical-align: top;
}

/* ポリシー */
.ai-policy-page .prose ul {
  padding-left: 1.2rem;
}

@supports not (color: color-mix(in srgb, white, black)) {
  .ai-support-page .hero--subpage {
    background: linear-gradient(155deg, #134e4a 0%, #1e293b 55%, #115e59 100%);
  }
}