/*
 * 設計の読み：コーポレートサイト右下に常駐する問い合わせ窓口。サイト本体を邪魔しない小さな業務UI。
 * 変化2／モーション2／密度6。角丸は12pxの1種類。アクセントはシアン1色。
 */
.tdcn-chat {
	--tc-navy: #10293c;
	--tc-teal: #0f7e9d;
	--tc-cyan: #7fd7e2;
	--tc-ink: #1b2a33;
	--tc-sub: #4b5d69;
	--tc-line: #c9d6dd;
	--tc-paper: #fcfdfd;
	--tc-soft: #eef6f8;
	--tc-warn: #a23a25;
	--tc-warn-bg: #fbede9;
	--tc-radius: 12px;
	font-family: "Noto Sans JP", sans-serif;
	color: var(--tc-ink);
	line-height: 1.75;
	letter-spacing: 0;
}
.tdcn-chat *,
.tdcn-chat *::before,
.tdcn-chat *::after { box-sizing: border-box; }
.tdcn-chat svg { width: 22px; height: 22px; flex: none; }

/* 右下の呼び出しボタン */
/* --tdcn-bottom は、テーマの「ページ上部へ戻る」ボタンがあるとき、その上に浮かせる高さ（chat.js が計算） */
.tdcn-chat--floating {
	position: fixed;
	right: max(16px, env(safe-area-inset-right, 0px));
	bottom: max(var(--tdcn-bottom, 16px), env(safe-area-inset-bottom, 0px));
	z-index: 9990;
}
/* 呼び出しボタン＝明るい丸の中のミライ＋吹き出し。サイトの背景が濃くても沈まないよう、丸は明るい地にする */
.tdcn-chat__launcher {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	padding: 0;
	border: 0;
	background: transparent;
	font: inherit;
	cursor: pointer;
}
.tdcn-chat__launcher[aria-expanded="true"] { display: none; }
.tdcn-chat__bubble {
	position: relative;
	padding: 8px 14px;
	border: 1px solid var(--tc-line);
	border-radius: var(--tc-radius);
	background: var(--tc-paper);
	color: var(--tc-navy);
	font-size: 16px;
	font-weight: 700;
	line-height: 1.4;
	box-shadow: 0 4px 14px rgba(16, 41, 60, .14);
}
.tdcn-chat__badge {
	display: grid;
	place-items: center;
	width: 76px;
	height: 76px;
	border-radius: 50%;
	background: var(--tc-paper);
	border: 2px solid var(--tc-cyan);
	box-shadow: 0 8px 22px rgba(16, 41, 60, .24);
}
.tdcn-chat__launcher:hover .tdcn-chat__badge { border-color: var(--tc-teal); }

/* 窓 */
.tdcn-chat__panel {
	display: flex;
	flex-direction: column;
	width: min(380px, calc(100vw - 32px));
	max-height: min(600px, calc(100dvh - var(--tdcn-bottom, 16px) - 16px));
	background: var(--tc-paper);
	border: 1px solid var(--tc-line);
	border-radius: var(--tc-radius);
	box-shadow: 0 12px 32px rgba(16, 41, 60, .18);
	overflow: hidden;
}
.tdcn-chat__panel[hidden] { display: none; }
.tdcn-chat--inline .tdcn-chat__panel {
	width: 100%;
	max-width: 560px;
	height: 560px;
	max-height: none;
	box-shadow: none;
}

/* 見出し：ミライの体がネイビーなので、地は明るくする */
.tdcn-chat__head {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 10px 12px 10px 10px;
	background: var(--tc-soft);
	border-bottom: 1px solid var(--tc-line);
	color: var(--tc-navy);
}
.tdcn-chat__who { flex: 1 1 auto; min-width: 0; }
.tdcn-chat__title { margin: 0; font-size: 16px; font-weight: 700; line-height: 1.4; }
.tdcn-chat__note { margin: 2px 0 0; font-size: 14px; line-height: 1.5; color: var(--tc-sub); }
.tdcn-chat__head[data-state="thinking"] .tdcn-chat__note,
.tdcn-chat__head[data-state="writing"] .tdcn-chat__note,
.tdcn-chat__head[data-state="reading"] .tdcn-chat__note { color: var(--tc-teal); font-weight: 700; }
.tdcn-chat__close {
	display: grid;
	place-items: center;
	flex: none;
	width: 44px;
	height: 44px;
	border: 0;
	border-radius: var(--tc-radius);
	background: transparent;
	color: var(--tc-navy);
	cursor: pointer;
}
.tdcn-chat__close:hover { background: rgba(15, 126, 157, .1); }

/* ---------- ミライ（NEXUS inQ と同じ図柄・同じ状態） ---------- */
.tdcn-chat svg.tdcn-m { width: auto; height: auto; overflow: visible; }
.tdcn-chat svg.tdcn-m--launcher { width: 56px; }
.tdcn-m--launcher .m-shadow, .tdcn-m--launcher .m-doc { display: none; }
.tdcn-chat svg.tdcn-m--head { width: 52px; flex: none; margin: -2px 0 -6px; }
.tdcn-m * { transform-box: fill-box; transform-origin: center; }
.tdcn-m .m-shadow { fill: var(--tc-navy); opacity: .12; }
.tdcn-m .m-ring-s { fill: none; stroke: var(--tc-teal); stroke-width: 11; stroke-linecap: round; stroke-linejoin: round; }
.tdcn-m .m-orb { fill: var(--tc-navy); }
.tdcn-m .m-screen { fill: #07131c; }
.tdcn-m .m-gloss { fill: none; stroke: #f4f8f9; stroke-width: 3; stroke-linecap: round; opacity: .12; }
.tdcn-m .m-eye { fill: var(--tc-cyan); }
.tdcn-m .m-hi { fill: #f4f8f9; opacity: .55; }
.tdcn-m .m-check { fill: none; stroke: var(--tc-cyan); stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; opacity: 0; }
.tdcn-m .m-sweat { fill: var(--tc-cyan); opacity: 0; }
.tdcn-m .m-dot { fill: var(--tc-teal); opacity: 0; }
.tdcn-m .m-doc { opacity: 0; transition: opacity .2s; }
.tdcn-m .m-paper { fill: #fbfcfc; stroke: #b9c6cf; stroke-width: 1.5; }
.tdcn-m .m-ln { fill: #c3ccd4; }
.tdcn-m .m-scan { fill: var(--tc-cyan); opacity: 0; }
.tdcn-m .m-pen { opacity: 0; }
.tdcn-m .m-pen-body { stroke: var(--tc-navy); stroke-width: 4; stroke-linecap: round; }
.tdcn-m .m-pen-tip { stroke: var(--tc-teal); stroke-width: 3.2; stroke-linecap: round; }
.tdcn-m .m-ring, .tdcn-m .m-orbit { transform-box: view-box; transform-origin: 104px 86px; }
.tdcn-m .m-handle { transform-box: view-box; transform-origin: 139.4px 121.4px; }

/* 状態ごとの見た目（動きを止めていても状態がわかる） */
[data-state="reading"] > .tdcn-m .m-doc, [data-state="writing"] > .tdcn-m .m-doc { opacity: 1; }
[data-state="reading"] > .tdcn-m .m-eye-pos, [data-state="writing"] > .tdcn-m .m-eye-pos { transform: translateX(-9px); }
[data-state="writing"] > .tdcn-m .m-pen { opacity: 1; }
[data-state="thinking"] > .tdcn-m .m-dot { opacity: 1; }
[data-state="done"] > .tdcn-m .m-eye, [data-state="done"] > .tdcn-m .m-hi { opacity: 0; }
[data-state="done"] > .tdcn-m .m-check { opacity: 1; }
[data-state="error"] > .tdcn-m .m-eye { fill: #e0a23a; }
[data-state="error"] > .tdcn-m .m-sweat { opacity: .9; }

@media (prefers-reduced-motion: no-preference) {
	.tdcn-m .m-eye-pos { transition: transform .25s ease-out; }
	/* 待機はまばたきだけ。働いているあいだは浮いて動く */
	.tdcn-m .m-pupil { animation: tdcn-m-blink 5s ease-in-out infinite; }
	.tdcn-chat__launcher:hover .tdcn-m .m-body,
	:not([data-state="idle"]) > .tdcn-m .m-body { animation: tdcn-m-float 2.4s ease-in-out infinite; }
	:not([data-state="idle"]) > .tdcn-m .m-shadow { animation: tdcn-m-shadow 2.4s ease-in-out infinite; }
	.tdcn-chat__launcher:hover .tdcn-m .m-handle { animation: tdcn-m-wave 1.6s ease-in-out 1; }
	[data-state="reading"] > .tdcn-m .m-pupil { animation: tdcn-m-scan 1s ease-in-out infinite; }
	[data-state="reading"] > .tdcn-m .m-scan { animation: tdcn-m-scany 1.6s linear infinite; }
	[data-state="thinking"] > .tdcn-m .m-ring { animation: tdcn-m-spin 3.2s linear infinite; }
	[data-state="thinking"] > .tdcn-m .m-orbit { animation: tdcn-m-spin 2s linear infinite reverse; }
	[data-state="thinking"] > .tdcn-m .m-dot { animation: tdcn-m-dot 1.4s ease-in-out infinite; }
	[data-state="thinking"] > .tdcn-m .d2 { animation-delay: .2s; }
	[data-state="thinking"] > .tdcn-m .d3 { animation-delay: .4s; }
	[data-state="writing"] > .tdcn-m .m-pupil { animation: tdcn-m-nod .6s ease-in-out infinite; }
	[data-state="writing"] > .tdcn-m .m-pen { animation: tdcn-m-pen 1.2s ease-in-out infinite; }
	[data-state="writing"] > .tdcn-m .m-ln { transform-origin: left center; animation: tdcn-m-grow 2.4s ease-out infinite; }
	[data-state="writing"] > .tdcn-m .m-ln:nth-child(2) { animation-delay: .3s; }
	[data-state="writing"] > .tdcn-m .m-ln:nth-child(3) { animation-delay: .6s; }
	[data-state="writing"] > .tdcn-m .m-ln:nth-child(4) { animation-delay: .9s; }
	[data-state="done"] > .tdcn-m .m-body { animation: none; }
	[data-state="done"] > .tdcn-m .m-handle { animation: tdcn-m-wave 1.6s ease-in-out 1; }
	[data-state="done"] > .tdcn-m .m-check { animation: tdcn-m-pop .5s ease-out 1; }
	[data-state="error"] > .tdcn-m .m-body { animation: tdcn-m-shake .5s ease-in-out 2; }
	[data-state="error"] > .tdcn-m .m-sweat { animation: tdcn-m-drip 2s ease-in infinite; }
	@keyframes tdcn-m-blink { 0%, 93%, 100% { transform: scaleY(1); } 96% { transform: scaleY(.12); } }
	@keyframes tdcn-m-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
	@keyframes tdcn-m-shadow { 0%, 100% { transform: scaleX(1); opacity: .12; } 50% { transform: scaleX(.85); opacity: .08; } }
	@keyframes tdcn-m-scan { 0%, 100% { transform: translateX(-3px); } 50% { transform: translateX(3px); } }
	@keyframes tdcn-m-scany { 0% { transform: translateY(0); opacity: 0; } 15%, 85% { opacity: .4; } 100% { transform: translateY(22px); opacity: 0; } }
	@keyframes tdcn-m-spin { to { transform: rotate(360deg); } }
	@keyframes tdcn-m-dot { 0%, 100% { opacity: .25; } 40% { opacity: 1; } }
	@keyframes tdcn-m-nod { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(2px); } }
	@keyframes tdcn-m-pen { 0%, 100% { transform: translate(-16px, -12px); } 25% { transform: translate(2px, -12px); } 50% { transform: translate(-16px, -4px); } 75% { transform: translate(0, -4px); } }
	@keyframes tdcn-m-grow { 0% { transform: scaleX(0); } 60%, 100% { transform: scaleX(1); } }
	@keyframes tdcn-m-wave { 0%, 100% { transform: rotate(0); } 25% { transform: rotate(-22deg); } 50% { transform: rotate(6deg); } 75% { transform: rotate(-16deg); } }
	@keyframes tdcn-m-pop { 0% { transform: scale(.4); } 60% { transform: scale(1.15); } 100% { transform: scale(1); } }
	@keyframes tdcn-m-shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-3px); } 75% { transform: translateX(3px); } }
	@keyframes tdcn-m-drip { 0% { transform: translateY(-2px); opacity: 0; } 30% { opacity: .9; } 100% { transform: translateY(6px); opacity: 0; } }
}

/* やり取り */
.tdcn-chat__log {
	flex: 1 1 auto;
	display: flex;
	flex-direction: column;
	gap: 10px;
	padding: 16px;
	overflow-y: auto;
	min-height: 160px;
}
.tdcn-chat__msg {
	max-width: 88%;
	padding: 10px 14px;
	border-radius: var(--tc-radius);
	font-size: 16px;
	white-space: pre-wrap;
	overflow-wrap: anywhere;
}
.tdcn-chat__msg--bot { align-self: flex-start; background: var(--tc-soft); }
.tdcn-chat__msg--user { align-self: flex-end; background: var(--tc-teal); color: var(--tc-paper); }
.tdcn-chat__msg--wait { color: var(--tc-sub); }
.tdcn-chat__msg--error { background: var(--tc-warn-bg); color: var(--tc-warn); }
.tdcn-chat__msg--emergency {
	display: flex;
	gap: 10px;
	background: var(--tc-warn-bg);
	color: var(--tc-warn);
	border: 2px solid var(--tc-warn);
	font-weight: 700;
	max-width: 100%;
}
.tdcn-chat__msg--emergency svg { margin-top: 3px; }

/* 入力 */
.tdcn-chat__form {
	display: flex;
	align-items: flex-end;
	gap: 8px;
	padding: 12px 12px 4px;
	border-top: 1px solid var(--tc-line);
}
.tdcn-chat__form textarea {
	flex: 1 1 auto;
	min-height: 48px;
	max-height: 120px;
	padding: 10px 12px;
	border: 1px solid #7e929d;
	border-radius: var(--tc-radius);
	background: var(--tc-paper);
	color: var(--tc-ink);
	font: inherit;
	font-size: 16px;
	line-height: 1.5;
	resize: none;
}
.tdcn-chat__send {
	display: grid;
	place-items: center;
	width: 48px;
	height: 48px;
	border: 0;
	border-radius: var(--tc-radius);
	background: var(--tc-teal);
	color: var(--tc-paper);
	cursor: pointer;
}
.tdcn-chat__send:hover { background: #0c6a84; }
.tdcn-chat__send[aria-busy="true"] { opacity: .6; cursor: progress; }
.tdcn-chat__foot { margin: 0; padding: 4px 14px 12px; font-size: 14px; line-height: 1.5; color: var(--tc-sub); }
.tdcn-chat__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.tdcn-chat button:focus-visible,
.tdcn-chat textarea:focus-visible {
	outline: 3px solid var(--tc-cyan);
	outline-offset: 2px;
}

/* スマホ：窓は画面いっぱいに開く。高さは chat.js が見えている範囲（キーボードを除いた高さ）に合わせる */
@media (max-width: 480px) {
	.tdcn-chat__bubble { display: none; }
	.tdcn-chat__badge { width: 64px; height: 64px; }
	.tdcn-chat svg.tdcn-m--launcher { width: 48px; }
	.tdcn-chat--floating.is-open {
		top: var(--tdcn-vtop, 0px);
		right: 0;
		bottom: auto;
		left: 0;
		height: var(--tdcn-vh, 100dvh);
		z-index: 100000; /* テーマの「ページ上部へ戻る」ボタン（z-index 99999）より上 */
	}
	.tdcn-chat--floating.is-open .tdcn-chat__panel {
		width: 100%;
		height: 100%;
		max-height: none;
		border: 0;
		border-radius: 0;
		box-shadow: none;
		padding-bottom: env(safe-area-inset-bottom, 0px);
	}
	.tdcn-chat--floating.is-open .tdcn-chat__head {
		padding-top: max(10px, env(safe-area-inset-top, 0px));
		padding-left: max(10px, env(safe-area-inset-left, 0px));
		padding-right: max(12px, env(safe-area-inset-right, 0px));
	}
	.tdcn-chat--floating.is-open .tdcn-chat__log { min-height: 0; }
}
/* 開いているあいだは後ろのページを動かさない（スマホのみ chat.js が付ける） */
html.tdcn-chat-lock,
html.tdcn-chat-lock body { overflow: hidden; }
@media (prefers-reduced-motion: no-preference) {
	.tdcn-chat__panel:not([hidden]) { animation: tdcn-chat-in .16s ease-out; }
	@keyframes tdcn-chat-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
}