/* KARiN.chatbot C5 — 既存サイトの Navy / 白 / #fafafa に合わせる */

.karin-chat {
  --karin-navy: #1e3a5f;
  --karin-navy-soft: #8fa3c1;
  --karin-gold: #c4a36a;
  --karin-bg: #fafafa;
  --karin-white: #ffffff;
  --karin-line: rgba(30, 58, 95, 0.12);
  --karin-text: #1e3a5f;
  --karin-muted: #5a6b7d;
  --karin-avatar: 44px;
  --karin-radius: 16px;
  font-family: "Noto Sans JP", system-ui, -apple-system, sans-serif;
  color: var(--karin-text);
}

@media (max-width: 767px) {
  .karin-chat {
    --karin-avatar: 40px;
  }
}

.karin-chat *,
.karin-chat *::before,
.karin-chat *::after {
  box-sizing: border-box;
}

.karin-chat-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;
}

.karin-chat[data-mode="widget"] .karin-chat-launcher {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1100;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 12px 12px 0 0;
  margin: -12px -12px 0 0;
  opacity: 0;
  animation: karin-launcher-in 10s ease-out forwards;
}

.karin-chat[data-mode="widget"] .karin-chat-launcher[hidden] {
  display: none !important;
}

@keyframes karin-launcher-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .karin-chat[data-mode="widget"] .karin-chat-launcher {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

.karin-chat-fab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 6px 16px 6px 6px;
  border: 1px solid var(--karin-line);
  border-radius: 40px;
  background: var(--karin-white);
  color: var(--karin-navy);
  font: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  box-shadow: 0 4px 18px rgba(30, 58, 95, 0.14);
  cursor: pointer;
}

.karin-chat-fab-dismiss {
  position: absolute;
  top: -6px;
  right: -6px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  padding: 0;
  border: 1px solid var(--karin-line);
  border-radius: 50%;
  background: var(--karin-white);
  color: var(--karin-muted);
  font: inherit;
  font-size: 0.68rem;
  line-height: 1;
  box-shadow: 0 1px 5px rgba(30, 58, 95, 0.12);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
}

.karin-chat-launcher:hover .karin-chat-fab-dismiss,
.karin-chat-fab-dismiss:focus-visible {
  opacity: 1;
  pointer-events: auto;
}

.karin-chat-fab-dismiss:hover,
.karin-chat-fab-dismiss:focus-visible {
  background: var(--karin-bg);
  color: var(--karin-navy);
  outline: none;
}

.karin-chat-fab:hover,
.karin-chat-fab:focus-visible {
  background: var(--karin-navy);
  color: var(--karin-white);
  outline: none;
}

.karin-chat-fab:focus-visible {
  box-shadow: 0 0 0 3px rgba(196, 163, 106, 0.55);
}

body:has(.home-btn) .karin-chat[data-mode="widget"] .karin-chat-launcher {
  bottom: 88px;
}

@media (max-width: 768px) {
  .karin-chat[data-mode="widget"] .karin-chat-launcher {
    right: 15px;
    bottom: 15px;
  }

  .karin-chat-fab {
    padding: 5px 12px 5px 5px;
    font-size: 0.8rem;
    gap: 8px;
  }

  .karin-chat-fab-sub {
    font-size: 0.62rem;
  }

  body:has(.home-btn) .karin-chat[data-mode="widget"] .karin-chat-launcher {
    bottom: 72px;
  }
}

@media (max-width: 767px), (hover: none), (pointer: coarse) {
  .karin-chat-fab-dismiss {
    top: -8px;
    right: -4px;
    width: 18px;
    height: 18px;
    opacity: 1;
    pointer-events: auto;
  }

  /* 見た目は小さく、指で押せる範囲は約44px */
  .karin-chat-fab-dismiss::before {
    content: "";
    position: absolute;
    inset: -13px;
  }
}

.karin-chat-fab-face,
.karin-chat-avatar {
  width: var(--karin-avatar);
  height: var(--karin-avatar);
  max-width: none;
  flex-shrink: 0;
  border-radius: 50%;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 0 0 1px rgba(30, 58, 95, 0.1);
}

.karin-chat-fab-face {
  width: 40px;
  height: 40px;
}

.karin-chat-fab-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  line-height: 1.2;
}

.karin-chat-fab-label {
  white-space: nowrap;
}

.karin-chat-fab-sub {
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.25;
  opacity: 0.72;
  white-space: nowrap;
}

.karin-chat-fab-face img,
.karin-chat-avatar img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: contain;
  object-position: center;
  padding: 3px;
  transform: none;
}

.karin-chat-panel {
  position: fixed;
  z-index: 1200;
  display: flex;
  flex-direction: column;
  background: var(--karin-bg);
  color: var(--karin-text);
  box-shadow: 0 12px 40px rgba(30, 58, 95, 0.18);
}

.karin-chat-panel[hidden] {
  display: none !important;
}

body.karin-chat-open {
  overflow: hidden;
}

.karin-chat[data-mode="widget"] .karin-chat-panel {
  right: 24px;
  bottom: 88px;
  width: min(400px, calc(100vw - 24px));
  height: min(640px, calc(100dvh - 110px));
  border: 1px solid var(--karin-line);
  border-radius: 18px;
  overflow: hidden;
}

@media (max-width: 767px) {
  .karin-chat[data-mode="widget"] .karin-chat-panel {
    inset: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100dvh;
    height: 100svh;
    border: 0;
    border-radius: 0;
  }
}

body.karin-chat-page {
  background: var(--karin-bg);
}

body.karin-chat-page .karin-chat-launcher,
body.karin-chat-page .karin-chat-fab {
  display: none;
}

body.karin-chat-page .karin-chat[data-mode="page"] .karin-chat-panel {
  position: relative;
  inset: auto;
  width: 100%;
  height: calc(100dvh - 70px);
  height: calc(100svh - 70px);
  margin-top: 70px;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.karin-chat-panel-head {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 64px;
  padding: 8px 12px 8px 16px;
  background: var(--karin-white);
  border-bottom: 1px solid var(--karin-line);
}

.karin-chat-panel-titlewrap {
  min-width: 0;
  flex: 1;
}

.karin-chat-panel-title {
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 1.05rem;
  color: var(--karin-navy);
}

.karin-chat-brand {
  font-family: "Playfair Display", "Noto Sans JP", serif;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.karin-chat-title-rest {
  font-family: "Noto Sans JP", system-ui, -apple-system, sans-serif;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.karin-chat-head-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.karin-chat-text-btn,
.karin-chat-icon-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--karin-navy);
  font: inherit;
  cursor: pointer;
}

.karin-chat-text-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
  text-decoration: none;
}

.karin-chat-text-btn:hover,
.karin-chat-text-btn:focus-visible,
.karin-chat-icon-btn:hover,
.karin-chat-icon-btn:focus-visible {
  background: rgba(30, 58, 95, 0.06);
  outline: none;
}

.karin-chat-text-btn.is-quiet {
  color: var(--karin-muted);
  font-weight: 500;
}

.karin-chat-icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.2rem;
  line-height: 1;
}

.karin-chat-messages {
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 16px 14px 8px;
  -webkit-overflow-scrolling: touch;
}

.karin-chat-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  max-width: 100%;
}

.karin-chat-row--user {
  justify-content: flex-end;
}

.karin-chat-row--ai.is-grouped {
  margin-top: -6px;
}

.karin-chat-avatar-col {
  width: var(--karin-avatar);
  flex-shrink: 0;
}

.karin-chat-ai-col {
  min-width: 0;
  max-width: calc(100% - var(--karin-avatar) - 10px);
  flex: 1;
}

.karin-chat-name {
  margin: 0 0 4px 2px;
  font-size: 0.78rem;
  color: var(--karin-navy);
}

.karin-chat-bubble {
  max-width: 100%;
  padding: 10px 14px;
  border-radius: var(--karin-radius);
  overflow-wrap: anywhere;
  word-break: break-word;
  line-height: 1.7;
  font-size: 0.92rem;
}

.karin-chat-bubble p {
  margin: 0 0 0.55em;
}

.karin-chat-bubble p:last-child {
  margin-bottom: 0;
}

.karin-chat-bubble ul {
  margin: 0.2em 0 0.55em;
  padding-left: 1.2em;
}

.karin-chat-bubble li {
  margin: 0.15em 0;
}

.karin-chat-bubble--ai {
  background: var(--karin-white);
  border: 1px solid var(--karin-line);
  border-top-left-radius: 6px;
  color: var(--karin-text);
}

.karin-chat-bubble--user {
  max-width: min(80%, 320px);
  background: var(--karin-navy);
  color: var(--karin-white);
  border-top-right-radius: 6px;
}

.karin-chat-bubble.is-thinking {
  color: var(--karin-muted);
  font-size: 0.86rem;
}

.karin-chat-book-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 8px;
  padding: 8px 16px;
  border: 1px solid var(--karin-navy);
  border-radius: 40px;
  background: var(--karin-white);
  color: var(--karin-navy);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
}

.karin-chat-book-link:hover,
.karin-chat-book-link:focus-visible {
  background: var(--karin-navy);
  color: var(--karin-white);
  outline: none;
}

.karin-chat-slots {
  margin-top: 10px;
}

.karin-chat-slots-lead {
  margin: 0 0 8px;
  font-size: 0.82rem;
  color: var(--karin-muted);
}

.karin-chat-slot-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.karin-chat-slot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 72px;
  padding: 8px 14px;
  border-radius: 12px;
  background: var(--karin-white);
  box-shadow: 0 0 0 1px rgba(30, 58, 95, 0.12);
  color: var(--karin-navy);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.karin-chat-samples {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 4px 14px 10px;
}

.karin-chat-samples[hidden] {
  display: none !important;
}

.karin-chat-chip {
  appearance: none;
  max-width: 100%;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--karin-line);
  border-radius: 20px;
  background: var(--karin-white);
  color: var(--karin-navy);
  font: inherit;
  font-size: 0.78rem;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
}

.karin-chat-chip:hover,
.karin-chat-chip:focus-visible {
  border-color: var(--karin-gold);
  box-shadow: 0 0 0 2px rgba(196, 163, 106, 0.25);
  outline: none;
}

.karin-chat-chip:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

@media (max-width: 767px) {
  .karin-chat-samples {
    flex-direction: column;
    align-items: stretch;
  }

  .karin-chat-chip {
    width: 100%;
  }
}

.karin-chat-composer {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px));
  background: var(--karin-white);
  border-top: 1px solid var(--karin-line);
}

.karin-chat-input {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  max-height: 120px;
  padding: 10px 12px;
  border: 1px solid var(--karin-line);
  border-radius: 12px;
  background: var(--karin-bg);
  color: var(--karin-navy);
  font: inherit;
  font-size: 1rem;
  line-height: 1.5;
  resize: none;
}

.karin-chat-input:focus {
  outline: none;
  border-color: var(--karin-navy);
  box-shadow: 0 0 0 2px rgba(30, 58, 95, 0.12);
}

.karin-chat-send {
  appearance: none;
  flex-shrink: 0;
  min-width: 48px;
  min-height: 44px;
  padding: 10px 14px;
  border: 0;
  border-radius: 12px;
  background: var(--karin-navy);
  color: #ffffff;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.karin-chat-send:hover,
.karin-chat-send:focus-visible {
  background: #16304f;
  outline: none;
  box-shadow: 0 0 0 3px rgba(196, 163, 106, 0.45);
}

.karin-chat-send:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.karin-chat-disclaimer {
  margin: 0;
  padding: 0 14px 12px;
  background: var(--karin-white);
  font-size: 0.68rem;
  line-height: 1.6;
  color: var(--karin-muted);
}

@media (min-width: 768px) {
  .karin-chat {
    --karin-avatar: 46px;
  }
}

@media (max-width: 767px) {
  .karin-chat-panel-head {
    gap: 8px;
    padding: 8px 8px 8px 12px;
  }

  .karin-chat-panel-title {
    font-size: 0.95rem;
  }

  .karin-chat-head-actions {
    justify-content: flex-end;
  }

  .karin-chat-text-btn {
    padding: 6px 8px;
    font-size: 0.72rem;
  }
}