/* kasane.tsukasa-art.com — 作品ごとの動作確認ページ（2026-11-13 試作、docs/kasane-title-pages.md）。
   tsukasa-art.com の main.css は読まない（別の公開物）。配色・字・見出しの形は KASANE のページ
   （site/css/sections/kasane.css の --kp-*・.kp-h・.kp-cta）に合わせる。タイトル画面の一枚絵・Mac の窓枠は使わない
   （ゲームの画像を載せない・検索から来た人に最初の画面で結論を見せるため）。 */

:root {
	color-scheme: light;
	--kt-navy: #173247;
	--kt-mist: #eef3f8;
	--kt-text: #2c3e50;
	--kt-muted: #5d6b78;
	--kt-line: #dfe8f1;
	--kt-accent: #5ab2ff;
	--kt-link: #1d6b8f;
	--kt-ok: #173247;
	--kt-warn: #a8660b;
	--kt-ng: #c0392b;
	--kt-rainbow: linear-gradient(90deg, #8fd0ff, #a8f0dc 30%, #fff0a8 55%, #ffc4d6 78%, #cdb8ff);
	--kt-heavy: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", "Noto Sans JP", sans-serif;
	--kt-round: "Hiragino Maru Gothic ProN", "Hiragino Maru Gothic Pro", "M PLUS Rounded 1c", "Hiragino Sans", sans-serif;
	--kt-max: 960px;
	font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", "Segoe UI", "Noto Sans JP", sans-serif;
}

* {
	box-sizing: border-box;
}

html {
	-webkit-text-size-adjust: 100%;
}

body {
	background: #ffffff;
	color: var(--kt-text);
	font-size: 16px;
	line-height: 1.8;
	margin: 0;
}

img {
	max-width: 100%;
}

a {
	color: var(--kt-link);
}

a:hover {
	color: #155f84;
}

/* 日本語の折り返し：BudouX が入れた <wbr>（文節の境目）でだけ折る（scripts/phrase-wrap.mjs）。長い英数字ははみ出さないよう折る */
.kt-main :is(p, h1, h2, li, dd, dt, span, a) {
	overflow-wrap: anywhere;
	word-break: keep-all;
}

.kt-wrap {
	margin: 0 auto;
	width: min(var(--kt-max), 100% - 32px);
}

/* ---------- header ---------- */
.kt-bar {
	background: #ffffff;
	border-bottom: 1px solid var(--kt-line);
	position: relative;
}

.kt-bar::before {
	background: var(--kt-rainbow);
	content: "";
	display: block;
	height: 4px;
}

.kt-bar__in {
	align-items: center;
	display: flex;
	gap: 16px;
	justify-content: space-between;
	min-height: 60px;
}

.kt-bar__logo {
	display: block;
	flex: none;
	line-height: 0;
}

.kt-bar__logo img {
	height: auto;
	width: 132px;
}

.kt-bar__nav {
	align-items: center;
	display: flex;
	flex-wrap: wrap;
	font-size: 0.86rem;
	gap: 4px 18px;
	justify-content: flex-end;
}

.kt-bar__nav a {
	color: var(--kt-navy);
	font-weight: 600;
	text-decoration: none;
}

.kt-bar__nav a:hover {
	text-decoration: underline;
}

.kt-bar__lang {
	border: 1px solid var(--kt-line);
	border-radius: 999px;
	padding: 1px 12px;
}

/* ---------- page head ---------- */
.kt-main {
	padding-bottom: 72px;
}

.kt-crumb {
	color: var(--kt-muted);
	display: flex;
	flex-wrap: wrap;
	font-size: 0.8rem;
	gap: 6px;
	padding-top: 20px;
}

.kt-head {
	padding-top: 28px;
}

.kt-head--index {
	padding-top: 48px;
}

.kt-kicker {
	color: var(--kt-link);
	font-family: var(--kt-round);
	font-size: 0.86rem;
	letter-spacing: 0.08em;
	margin: 0 0 6px;
}

.kt-head h1 {
	color: var(--kt-navy);
	font-family: var(--kt-heavy);
	font-size: clamp(1.6rem, 4.2vw, 2.4rem);
	font-weight: 800;
	letter-spacing: 0.03em;
	line-height: 1.3;
	margin: 0;
}

.kt-sub {
	color: var(--kt-muted);
	font-size: 0.9rem;
	margin: 8px 0 0;
}

/* 結論の一文：最初の画面で読める大きさにする */
.kt-lead {
	border-left: 6px solid var(--kt-navy);
	color: var(--kt-navy);
	font-size: clamp(1.05rem, 2.2vw, 1.25rem);
	font-weight: 700;
	line-height: 1.75;
	margin: 24px 0 0;
	padding: 2px 0 2px 16px;
}

.kt-head--index .kt-lead {
	font-size: clamp(1rem, 2vw, 1.12rem);
	font-weight: 600;
}

.kt-lead-more {
	color: var(--kt-text);
	margin: 10px 0 0 22px;
}

.kt-grade {
	align-items: center;
	background: var(--kt-mist);
	border-radius: 10px;
	display: flex;
	flex-wrap: wrap;
	gap: 6px 14px;
	margin: 20px 0 0;
	padding: 12px 16px;
}

.kt-grade b {
	border-radius: 6px;
	font-family: var(--kt-heavy);
	font-size: 0.95rem;
	font-weight: 800;
	letter-spacing: 0.06em;
	padding: 3px 14px;
}

.kt-grade span {
	color: var(--kt-muted);
	font-size: 0.86rem;
}

.kt-grade--full b,
.kt-badge--full {
	background: var(--kt-navy);
	color: #ffffff;
}

.kt-grade--core b,
.kt-badge--core {
	background: #ffffff;
	box-shadow: inset 0 0 0 1.5px var(--kt-link);
	color: var(--kt-link);
}

.kt-grade--partial b,
.kt-badge--partial {
	background: #ffffff;
	box-shadow: inset 0 0 0 1.5px var(--kt-ng);
	color: var(--kt-ng);
}

/* ---------- sections and headings (KASANE ページの .kp-h と同じ形) ---------- */
.kt-sec {
	padding-top: 52px;
}

.kt-h {
	margin: 0 0 18px;
	padding-left: 22px;
	position: relative;
}

.kt-h::before {
	border-bottom: 6px solid transparent;
	border-left: 10px solid var(--kt-accent);
	border-top: 6px solid transparent;
	content: "";
	left: 0;
	position: absolute;
	top: 0.5em;
}

.kt-h b {
	color: var(--kt-navy);
	display: block;
	font-family: var(--kt-heavy);
	font-size: clamp(1.2rem, 2.4vw, 1.45rem);
	font-weight: 800;
	letter-spacing: 0.08em;
	line-height: 1.35;
}

.kt-h span {
	color: var(--kt-muted);
	display: block;
	font-size: 0.72rem;
	font-weight: 400;
	letter-spacing: 0.16em;
}

.kt-fine {
	color: var(--kt-muted);
	font-size: 0.82rem;
	margin: 12px 0 0;
}

/* 軸別の結果：項目名と値の札の2列（ゲームの設定画面の並び） */
.kt-axes,
.kt-env {
	border-top: 1px solid var(--kt-line);
	display: grid;
	margin: 0;
}

.kt-axes {
	column-gap: 32px;
	grid-template-columns: 1fr 1fr;
}

.kt-axes > div,
.kt-env > div {
	align-items: center;
	border-bottom: 1px solid var(--kt-line);
	display: grid;
	gap: 12px;
	grid-template-columns: 1fr auto;
	padding: 10px 2px;
}

.kt-axes dt,
.kt-env dt {
	color: var(--kt-navy);
	font-weight: 600;
}

.kt-axes dd,
.kt-env dd {
	margin: 0;
}

.kt-state {
	border-radius: 999px;
	display: inline-block;
	font-size: 0.82rem;
	font-weight: 700;
	min-width: 6.5em;
	padding: 2px 12px;
	text-align: center;
}

.kt-state--verified {
	background: var(--kt-ok);
	color: #ffffff;
}

.kt-state--partial {
	background: #fff4e0;
	box-shadow: inset 0 0 0 1px #e0b66a;
	color: var(--kt-warn);
}

.kt-state--blocked {
	background: #fdecea;
	box-shadow: inset 0 0 0 1px #e6a29a;
	color: var(--kt-ng);
}

.kt-state--unverified {
	background: #f0f2f4;
	color: #6b7682;
}

.kt-state--not-applicable {
	background: #ffffff;
	box-shadow: inset 0 0 0 1px #d5dbe1;
	color: #8a949e;
}

.kt-env > div {
	align-items: baseline;
	grid-template-columns: 11em 1fr;
}

.kt-env dd {
	color: var(--kt-text);
}

.kt-notes {
	margin: 0;
	padding-left: 1.2em;
}

.kt-notes li + li {
	margin-top: 8px;
}

.kt-evidence {
	margin: 0;
}

.kt-orig {
	background: var(--kt-mist);
	border-radius: 4px;
	color: var(--kt-muted);
	display: inline-block;
	font-size: 0.75rem;
	margin: 0 0 8px;
	padding: 1px 8px;
}

/* ---------- index ---------- */
.kt-legend {
	display: grid;
	font-size: 0.84rem;
	gap: 6px;
	list-style: none;
	margin: 0 0 20px;
	padding: 0;
}

.kt-legend li {
	align-items: center;
	color: var(--kt-muted);
	display: flex;
	gap: 10px;
}

.kt-badge {
	border-radius: 6px;
	display: inline-block;
	flex: none;
	font-size: 0.78rem;
	font-weight: 800;
	letter-spacing: 0.04em;
	padding: 1px 10px;
	white-space: nowrap;
}

/* 作品名で探す（site/kasane/kasane-titles.js） */
.kt-search {
	align-items: center;
	display: grid;
	gap: 6px 14px;
	grid-template-columns: auto minmax(0, 1fr) auto;
	margin: 0 0 18px;
}

.kt-search[hidden],
.kt-search__empty[hidden] {
	display: none;
}

.kt-search__label {
	color: var(--kt-navy);
	font-size: 0.9rem;
	font-weight: 700;
}

.kt-search__input {
	appearance: none;
	background: #ffffff;
	border: 1.5px solid #c9d6e2;
	border-radius: 10px;
	color: var(--kt-text);
	font: inherit;
	font-size: 1rem;
	min-width: 0;
	padding: 10px 14px;
	width: 100%;
}

.kt-search__input:focus {
	border-color: var(--kt-accent);
	box-shadow: 0 0 0 3px rgb(90 178 255 / 25%);
	outline: none;
}

.kt-search__count {
	color: var(--kt-muted);
	font-size: 0.82rem;
	margin: 0;
	min-width: 6em;
	text-align: right;
	white-space: nowrap;
}

/* 並べ替え（確認日・五十音・ブランド）と頭文字の索引 */
.kt-sort {
	align-items: center;
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin: 0 0 14px;
}

.kt-sort[hidden],
.kt-index[hidden] {
	display: none;
}

.kt-sort__label {
	color: var(--kt-muted);
	font-size: 0.82rem;
	margin-right: 4px;
}

.kt-sort button,
.kt-index button {
	background: #ffffff;
	border: 1px solid #c9d6e2;
	border-radius: 999px;
	color: var(--kt-navy);
	cursor: pointer;
	font: inherit;
	font-size: 0.84rem;
	font-weight: 600;
	padding: 4px 14px;
}

.kt-sort button[aria-pressed="true"] {
	background: var(--kt-navy);
	border-color: var(--kt-navy);
	color: #ffffff;
}

.kt-index {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin: 0 0 16px;
}

.kt-index button {
	border-radius: 8px;
	min-width: 2.6em;
	padding: 4px 8px;
}

.kt-index button:disabled {
	border-color: var(--kt-line);
	color: #b8c2cc;
	cursor: default;
}

.kt-sort button:focus-visible,
.kt-index button:focus-visible {
	outline: 3px solid rgb(90 178 255 / 45%);
	outline-offset: 1px;
}

/* 五十音順・ブランド順のときの見出し（行・ブランドの切れ目の最初の作品の上） */
.kt-list li[data-group-start]::before {
	background: var(--kt-mist);
	color: var(--kt-navy);
	content: attr(data-group);
	display: block;
	font-family: var(--kt-heavy);
	font-size: 0.86rem;
	font-weight: 800;
	letter-spacing: 0.06em;
	padding: 4px 8px;
	scroll-margin-top: 12px;
}

.kt-list li[data-group-start] {
	scroll-margin-top: 12px;
}

.kt-search__empty {
	background: var(--kt-mist);
	border-radius: 10px;
	font-size: 0.9rem;
	margin: 0 0 16px;
	padding: 14px 16px;
}

.kt-list,
.kt-reqs {
	border-top: 1px solid var(--kt-line);
	list-style: none;
	margin: 0;
	padding: 0;
}

.kt-list a {
	align-items: center;
	border-bottom: 1px solid var(--kt-line);
	color: inherit;
	display: grid;
	gap: 2px 20px;
	grid-template-areas: "name side" "meta side";
	grid-template-columns: 1fr auto;
	padding: 14px 4px;
	text-decoration: none;
}

.kt-list a:hover {
	background: var(--kt-mist);
}

.kt-list__name {
	color: var(--kt-navy);
	font-weight: 700;
	grid-area: name;
}

.kt-list a:hover .kt-list__name {
	text-decoration: underline;
}

.kt-list__meta {
	color: var(--kt-muted);
	font-size: 0.82rem;
	grid-area: meta;
}

.kt-list__side {
	align-items: flex-end;
	display: flex;
	flex-direction: column;
	gap: 4px;
	grid-area: side;
}

.kt-list__side time {
	color: var(--kt-muted);
	font-size: 0.78rem;
	white-space: nowrap;
}

.kt-reqs li {
	align-items: center;
	border-bottom: 1px solid var(--kt-line);
	display: flex;
	flex-wrap: wrap;
	gap: 4px 12px;
	padding: 12px 4px;
}

.kt-req {
	border-radius: 999px;
	font-size: 0.76rem;
	font-weight: 700;
	padding: 1px 10px;
}

.kt-req--requested {
	background: var(--kt-mist);
	color: var(--kt-link);
}

.kt-req--many {
	background: #fff0f4;
	color: #b3335a;
}

/* ---------- about KASANE + waiting-list board (KASANE ページの .kp-cta の形) ---------- */
.kt-about > p {
	margin: 0;
	max-width: 46em;
}

.kt-cta {
	align-items: center;
	background: var(--kt-navy);
	border-radius: 10px;
	box-shadow: 0 12px 26px rgb(23 50 71 / 22%);
	color: #ffffff;
	display: inline-flex;
	gap: 16px;
	margin-top: 22px;
	max-width: 100%;
	padding: 12px 26px 14px 14px;
	position: relative;
	text-decoration: none;
	transform: skewX(-8deg);
	transition: transform 200ms ease;
}

.kt-cta::after {
	background: var(--kt-rainbow);
	border-radius: 3px;
	bottom: -1px;
	content: "";
	height: 3px;
	left: 14px;
	position: absolute;
	right: 14px;
}

.kt-cta:hover,
.kt-cta:focus-visible {
	color: #ffffff;
	transform: skewX(-8deg) translateY(-2px);
}

.kt-cta > * {
	transform: skewX(8deg);
}

.kt-cta img {
	border-radius: 14px;
	box-shadow: 0 0 0 2px #ffffff;
	flex: none;
	height: 56px;
	width: 56px;
}

.kt-cta b {
	display: block;
	font-family: var(--kt-heavy);
	font-size: 1.08rem;
	font-weight: 800;
	letter-spacing: 0.04em;
	line-height: 1.4;
}

.kt-cta small {
	display: block;
	font-size: 0.78rem;
	opacity: 0.85;
}

/* ---------- footer ---------- */
.kt-foot {
	background: var(--kt-mist);
	color: var(--kt-muted);
	font-size: 0.8rem;
	padding: 28px 0 36px;
}

.kt-foot p {
	margin: 0;
}

.kt-foot p + p {
	margin-top: 8px;
}

/* ---------- phone ---------- */
@media (max-width: 640px) {
	/* 「Windows向けノベルゲーム」が1行に収まる大きさ（375px で語の途中で折れていた） */
	.kt-head--index h1 {
		font-size: 1.42rem;
	}

	.kt-bar__logo img {
		width: 112px;
	}

	.kt-bar__nav {
		font-size: 0.8rem;
		gap: 2px 12px;
	}

	.kt-axes {
		grid-template-columns: 1fr;
	}

	.kt-search {
		grid-template-columns: minmax(0, 1fr) auto;
	}

	.kt-search__label {
		grid-column: 1 / -1;
	}

	.kt-env > div {
		gap: 0;
		grid-template-columns: 1fr;
	}

	.kt-env dt {
		font-size: 0.8rem;
	}

	.kt-lead-more {
		margin-left: 0;
	}

	.kt-list a {
		grid-template-areas: "name" "meta" "side";
		grid-template-columns: 1fr;
	}

	.kt-list__side {
		align-items: center;
		flex-direction: row;
		margin-top: 4px;
	}
}