/**
 * base.css — リセット / ベースタイポ / ヘッダー / フッター / ナビ・ドロワー / 数字検索フォーム
 * 色は tokens.css のカスタムプロパティのみ参照（透過は color-mix でトークンから導出）。
 */

/* ---------------------------------------------------------------- リセット */

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

body,
h1,
h2,
h3,
h4,
p,
ul,
ol,
figure,
blockquote {
	margin: 0;
}

ul,
ol {
	padding: 0;
	list-style: none;
}

img,
svg,
video {
	max-width: 100%;
	height: auto;
}

svg {
	display: block;
}

button,
input,
select,
textarea {
	font: inherit;
	color: inherit;
}

/* ---------------------------------------------------------------- ベース */

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

body {
	font-family: var(--an-font-sans);
	font-size: 15px;
	line-height: 1.8;
	color: var(--an-text);
	background: var(--an-paper);
	overflow-wrap: anywhere;
}

a {
	color: var(--an-ink-2);
	text-decoration: none;
	transition: color 0.15s ease;
}

a:hover {
	color: var(--an-gold-deep);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
	outline: 2px solid var(--an-gold);
	outline-offset: 2px;
}

/* ---------------------------------------------------------------- ユーティリティ */

.screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	border: 0;
	white-space: nowrap;
}

.screen-reader-text:focus {
	position: fixed !important;
	top: var(--an-space-1);
	left: var(--an-space-1);
	z-index: 100;
	width: auto;
	height: auto;
	margin: 0;
	padding: var(--an-space-2) var(--an-space-4);
	clip: auto;
	clip-path: none;
	white-space: normal;
	background: var(--an-night);
	color: var(--an-cream);
	border-radius: var(--an-radius-sm);
	font-size: 14px;
	line-height: 1.4;
}

.an-site-content:focus {
	outline: none;
}

/* ---------------------------------------------------------------- ヘッダー */

.an-header {
	background: var(--an-night);
	border-bottom: 1px solid var(--an-night-line);
}

.an-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--an-space-4);
	min-height: 96px;
	padding: 0 40px;
}

/* ロゴロックアップ（an30_the_logo 出力） */

.an-logo {
	display: flex;
	align-items: center;
	gap: 12px;
	flex-shrink: 0;
}

.an-logo__name {
	font-family: var(--an-font-mincho);
	font-weight: 600;
	letter-spacing: 0.14em;
	color: var(--an-cream);
	white-space: nowrap;
	transition: color 0.15s ease;
}

.an-logo__version {
	font-family: var(--an-font-en);
	font-weight: 600;
	font-variant-numeric: lining-nums tabular-nums;
	color: var(--an-gold);
}

.an-logo--header .an-logo__name {
	font-size: 20px;
}

.an-logo--header .an-logo__version {
	font-size: 24px;
	line-height: 1;
}

.an-logo--footer .an-logo__name {
	font-size: 18px;
}

.an-logo--footer .an-logo__version {
	font-size: 17px;
}

.an-logo:hover .an-logo__name {
	color: var(--an-gold-pale);
}

/* ナビ + 検索（デスクトップは横並び、モバイルはドロワー） */

.an-header__drawer {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: 32px;
	flex: 1;
	min-width: 0;
}

.an-nav__list {
	display: flex;
	align-items: center;
	gap: 26px;
}

.an-nav__list a {
	font-size: 14px;
	font-weight: 500;
	color: var(--an-cream-2);
	white-space: nowrap;
}

.an-nav__list a:hover {
	color: var(--an-gold);
}

/* ドロワー開閉ボタン（デスクトップでは非表示） */

.an-nav-toggle {
	display: none;
	position: relative;
	z-index: 60;
	width: 44px;
	height: 44px;
	padding: 0;
	background: transparent;
	border: 1px solid var(--an-night-line);
	border-radius: var(--an-radius-sm);
	cursor: pointer;
}

.an-nav-toggle__bar,
.an-nav-toggle__bar::before,
.an-nav-toggle__bar::after {
	display: block;
	position: absolute;
	left: 50%;
	width: 20px;
	height: 2px;
	margin-left: -10px;
	background: var(--an-gold);
	transition: transform 0.25s ease, opacity 0.25s ease;
	content: "";
}

.an-nav-toggle__bar {
	top: 50%;
	margin-top: -1px;
}

.an-nav-toggle__bar::before {
	top: -7px;
}

.an-nav-toggle__bar::after {
	top: 7px;
}

.an-nav-toggle[aria-expanded="true"] .an-nav-toggle__bar {
	background: transparent;
}

.an-nav-toggle[aria-expanded="true"] .an-nav-toggle__bar::before {
	transform: translateY(7px) rotate(45deg);
}

.an-nav-toggle[aria-expanded="true"] .an-nav-toggle__bar::after {
	transform: translateY(-7px) rotate(-45deg);
}

/* ---------------------------------------------------------------- 数字検索フォーム */

.an-number-search {
	display: flex;
	align-items: center;
}

.an-number-search__icon {
	display: inline-flex;
	color: var(--an-gold);
	flex-shrink: 0;
}

.an-number-search__input {
	flex: 1;
	min-width: 0;
	background: transparent;
	border: 0;
}

.an-number-search__input:focus {
	outline: none;
}

/* header: 金枠ピル型（虫めがね = 送信ボタン） */

.an-number-search--header {
	gap: 10px;
	width: 230px;
	padding: 9px 18px;
	border: 1px solid color-mix(in srgb, var(--an-gold) 50%, transparent);
	border-radius: var(--an-radius-pill);
	transition: border-color 0.15s ease, background-color 0.15s ease;
}

.an-number-search--header:focus-within {
	border-color: var(--an-gold);
	background: var(--an-night-glass);
}

.an-number-search--header .an-number-search__input {
	font-size: 13px;
	color: var(--an-cream);
}

.an-number-search--header .an-number-search__input::placeholder {
	color: var(--an-night-muted);
}

.an-number-search__submit--icon {
	display: inline-flex;
	align-items: center;
	padding: 0;
	background: transparent;
	border: 0;
	cursor: pointer;
	color: var(--an-gold);
}

.an-number-search__submit--icon:hover {
	color: var(--an-gold-pale);
}

/* aside: 紙面用の白ピル型 */

.an-number-search--aside {
	gap: 10px;
	width: 100%;
	max-width: 320px;
	padding: 10px 18px;
	background: var(--an-white);
	border: 1px solid var(--an-line);
	border-radius: var(--an-radius-pill);
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.an-number-search--aside:focus-within {
	border-color: var(--an-gold);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--an-gold) 18%, transparent);
}

.an-number-search--aside .an-number-search__input {
	font-size: 13px;
	color: var(--an-ink);
}

.an-number-search--aside .an-number-search__input::placeholder {
	color: var(--an-muted);
}

.an-number-search--aside .an-number-search__submit--icon {
	color: var(--an-gold-deep);
}

.an-number-search--aside .an-number-search__submit--icon:hover {
	color: var(--an-gold);
}

/* ---------------------------------------------------------------- フッター */

.an-footer {
	background: var(--an-night);
	padding: 48px 40px 36px;
	margin-top: var(--an-space-7);
}

.an-footer__inner {
	max-width: var(--an-wide);
	margin: 0 auto;
	display: flex;
	flex-direction: column;
	gap: 28px;
}

.an-footer__top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--an-space-4);
	flex-wrap: wrap;
}

.an-footer__nav-list {
	display: flex;
	align-items: center;
	gap: 24px;
	flex-wrap: wrap;
}

.an-footer__nav-list a {
	font-size: 12px;
	color: var(--an-night-muted);
}

.an-footer__nav-list a:hover {
	color: var(--an-gold);
}

.an-footer__line {
	height: 1px;
	background: var(--an-night-line);
}

.an-footer__copyright {
	font-size: 11px;
	color: var(--an-night-faint);
	text-align: center;
}

/* ---------------------------------------------------------------- モバイル（ドロワー） */

@media (max-width: 767px) {
	.an-header__inner {
		min-height: 64px;
		padding: 0 var(--an-space-3);
	}

	.an-logo--header .an-logo__name {
		font-size: 17px;
	}

	.an-logo--header .an-logo__version {
		font-size: 20px;
	}

	.an-nav-toggle {
		display: block;
	}

	.an-header__drawer {
		position: fixed;
		top: 0;
		right: 0;
		z-index: 50;
		flex-direction: column;
		align-items: stretch;
		justify-content: flex-start;
		gap: var(--an-space-5);
		width: min(320px, 85vw);
		height: 100dvh;
		padding: 88px var(--an-space-4) var(--an-space-5);
		background: var(--an-night-2);
		border-left: 1px solid var(--an-night-line);
		box-shadow: -12px 0 32px color-mix(in srgb, var(--an-night) 55%, transparent);
		transform: translateX(100%);
		visibility: hidden;
		transition: transform 0.25s ease, visibility 0.25s ease;
		overflow-y: auto;
	}

	.an-header__drawer.an-header__drawer--open {
		transform: translateX(0);
		visibility: visible;
	}

	.an-drawer-open {
		overflow: hidden;
	}

	.an-nav__list {
		flex-direction: column;
		align-items: stretch;
		gap: 0;
	}

	.an-nav__list a {
		display: block;
		padding: var(--an-space-2) var(--an-space-1);
		font-size: 15px;
		border-bottom: 1px solid color-mix(in srgb, var(--an-gold) 18%, transparent);
	}

	.an-number-search--header {
		width: 100%;
	}

	.an-footer {
		padding: var(--an-space-6) var(--an-space-4) var(--an-space-5);
	}

	.an-footer__top {
		flex-direction: column;
		align-items: flex-start;
		gap: var(--an-space-3);
	}

	.an-footer__nav-list {
		gap: var(--an-space-3);
	}
}