/* ============================================
   footer.css
   共通フッター
   PC: ロゴ左 / 3列ナビ / 右2ボタン
   SP: ロゴ中央 / 縦accordion / 全幅2ボタン
   ============================================ */

/* --- フッター本体 --- */

.footer {
	background-color: var(--color-navy-3);
	color: var(--color-white-1);
}

.footer__inner {
	margin-inline: auto;
	max-width: var(--container-max-width);
	padding-inline: var(--container-padding-inline);
}

/* --- メインエリア（ロゴ / ナビ / CTA） --- */

.footer__main {
	align-items: flex-start;
	display: flex;
	gap: 50px;
	padding-block: 80px 45px;
}

/* --- ロゴ --- */

.footer__logo {
	display: block;
	flex-shrink: 0;
	width: 130px;
}

.footer__logo img {
	height: auto;
	width: 100%;
}

/* --- ナビゲーション --- */

.footer__nav {
	flex: 1;
}

/* PC: 3列グリッド */
.footer__nav-list {
	display: grid;
	gap: 0 50px;
	grid-template-columns: auto auto 1fr;
}

/* Column 1: TOP のみ */
.footer__nav-item:nth-child(1) {
	grid-column: 1;
}

/* Column 2: 事業内容 + sub */
.footer__nav-item:nth-child(2) {
	grid-column: 2;
}

/* Column 3: 会社案内 / 相談事例 / 採用情報 */
.footer__nav-item:nth-child(3),
.footer__nav-item:nth-child(4),
.footer__nav-item:nth-child(5) {
	grid-column: 3;
}

/* 各ナビアイテムの行ヘッダー（テキスト + accordion btn） */
.footer__nav-item-row {
	align-items: center;
	display: flex;
	justify-content: space-between;
}

/* メインリンク（TOP / 事業内容 / 会社案内 など） */
.footer__nav-link,
.footer__nav-btn {
	background: none;
	border: none;
	color: var(--color-white-1);
	cursor: pointer;
	display: inline-block;
	font-family: var(--font-family-noto-sans-jp);
	font-size: var(--font-size-20);
	font-weight: var(--font-weight-700);
	line-height: var(--line-height-100);
	padding: 0;
	text-decoration: none;
	transition: opacity 0.25s ease;
}

.footer__nav-btn {
	align-items: center;
	display: flex;
	width: 100%;
}

.footer__nav-btn-text {
	flex: 1;
    margin-bottom: 18px;
}

/* accordion シェブロンアイコン（PC では非表示） */
.footer__accordion-icon {
	align-items: center;
	display: none;
	flex-shrink: 0;
	height: 14px;
	justify-content: center;
	transition: transform 0.3s ease;
	width: 14px;
}

.footer__nav-item--accordion.is-open .footer__accordion-icon {
	transform: rotate(180deg);
}

/* サブリンク（光回線取次事業 / 会社情報 など） */
.footer__nav-sub {
	margin-block-start: 8px;
}

.footer__nav-sub-link {
	color: var(--color-gray-3);
	display: block;
	font-size: var(--font-size-14);
	font-weight: var(--font-weight-500);
	line-height: var(--line-height-100);
	padding-block: 8px;
	text-decoration: none;
	transition: color 0.25s ease, opacity 0.25s ease;
}

.footer__nav-sub-link:hover,
.footer__nav-sub-link:focus-visible {
	color: var(--color-white-1);
	opacity: 0.7;
}

/* スタンドアロンリンク（相談事例 / 採用情報） */
.footer__nav-link--standalone {
	display: block;
	font-size: var(--font-size-20);
	margin-block-start: 4px;
}

.footer__nav-link:hover,
.footer__nav-btn:hover,
.footer__nav-link:focus-visible,
.footer__nav-btn:focus-visible,
.footer__nav-link--standalone:hover,
.footer__nav-link--standalone:focus-visible {
	opacity: 0.7;
}

/* --- CTA ボタン --- */

.footer__cta {
	display: flex;
	flex-direction: column;
	flex-shrink: 0;
	gap: 16px;
}

.footer__cta .btn {
	border-radius: 2px;
}

.footer__cta .btn--white {
	background-color: var(--color-white-1);
}

.footer__cta .btn__icon-square {
	border-radius: 2px;
}

.footer__cta .btn__arrow {
	height: 9.6px;
	width: 9.6px;
}

/* --- ボトムバー --- */

.footer__bottom {
	align-items: center;
	display: flex;
	gap: 24px;
	padding-block: 24px 94px;
}

.footer__privacy {
	color: var(--color-white-1);
	font-size: var(--font-size-14);
	font-weight: var(--font-weight-700);
	text-decoration: none;
	transition: opacity 0.25s ease;
}

.footer__privacy:hover,
.footer__privacy:focus-visible {
	opacity: 0.7;
}

.footer__copy {
	color: var(--color-white-1);
	font-family: var(--font-family-figtree);
	font-size: var(--font-size-14);
	font-weight: var(--font-weight-700);
}

/* --- レスポンシブ --- */

@media screen and (min-width: 769px) and (max-width: 1200px) {
	.footer__main {
		display: grid;
		gap: 36px 40px;
		grid-template-columns: minmax(0, 1fr) auto;
		padding-block: 64px 48px;
	}

	.footer__logo {
		grid-column: 1 / -1;
		width: 118px;
	}

	.footer__nav {
		min-width: 0;
	}

	.footer__nav-list {
		gap: 0 40px;
		grid-template-columns: auto auto minmax(140px, 1fr);
	}

	.footer__nav-link,
	.footer__nav-btn,
	.footer__nav-link--standalone {
		font-size: 18px;
	}

	.footer__nav-sub-link {
		font-size: 13px;
	}

	.footer__cta {
		gap: 12px;
	}

	.footer__cta .btn {
		height: 58px;
		width: 240px;
	}

	.footer__cta .btn__icon {
		width: 58px;
	}

	.footer__cta .btn__icon::before {
		height: 46px;
	}

	.footer__bottom {
		padding-block: 22px;
	}
}

@media screen and (min-width: 769px) and (max-width: 960px) {
	.footer__main {
		gap: 32px;
		grid-template-columns: 1fr;
	}

	.footer__nav-list {
		gap: 0 48px;
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	.footer__cta {
		display: grid;
		grid-template-columns: repeat(2, minmax(0, 1fr));
		width: 100%;
	}

	.footer__cta .btn {
		width: 100%;
	}
}

@media screen and (max-width: 768px) {
	/* メインエリア: 縦積み */
	.footer__main {
		flex-direction: column;
		gap: 0;
		padding-block: 40px 32px;
	}

	/* ロゴ: 中央揃え */
	.footer__logo {
		margin-block-end: 36px;
		margin-inline: auto;
		width: 132px;
	}

	/* ナビ: 単列 */
	.footer__nav {
		width: 100%;
	}

	.footer__nav-list {
		border-top: 0;
		display: block;
	}

	/* 各アイテム: 行 + 区切り線 */


	/* メインリンク */
	.footer__nav-link,
	.footer__nav-btn {
		font-size: var(--font-size-16);
		padding-block: 30px 0;
		width: 100%;
	}

	/* SPはアコーディオンではなく常時展開メニュー */
	.footer__accordion-icon {
		display: none;
	}

	.footer__nav-btn {
		pointer-events: none;
	}

	.footer__nav-sub {
		margin-block-start: 0;
		max-height: none;
		overflow: visible;
		padding-block-end: 8px;
	}

	.footer__nav-item--accordion.is-open .footer__nav-sub {
		max-height: none;
	}

	.footer__nav-sub-link {
		color: var(--color-gray-3);
		display: block;
		font-size: 14px;
		font-weight: var(--font-weight-500);
		padding: 20px 24px 20px 0;
		position: relative;
	}

	/* スタンドアロンリンク */
	.footer__nav-link--standalone {
		font-size: var(--font-size-16);
		margin-block-start: 0;
		padding-block: 18px;
	}


	.footer__nav-item:not(.footer__nav-item--accordion) .footer__nav-link,
	.footer__nav-sub-link {
		padding-right: 24px;
		position: relative;
        border-block: 1px solid #205267;
	}

    .footer__nav-item:not(.footer__nav-item--accordion) .footer__nav-link,
	.footer__nav-sub-link:first-of-type {
        border-top: none;
	}

    .footer__nav-item:not(.footer__nav-item--accordion):first-of-type .footer__nav-link, .footer__nav-sub-link
    .footer__nav-sub-link:first-of-type {
        border-top: none;
        padding-bottom: 20px;
    }

	.footer__nav-item:not(.footer__nav-item--accordion) .footer__nav-link::before,
	.footer__nav-sub-link::before {
		border: 1px solid rgba(255, 255, 255, 0.72);
		border-radius: 2px;
		content: "";
		height: 14px;
		position: absolute;
		right: 0;
		top: 50%;
		transform: translateY(-50%);
		width: 14px;
	}

	.footer__nav-item:not(.footer__nav-item--accordion) .footer__nav-link::after,
	.footer__nav-sub-link::after {
		background-color: var(--color-white-1);
		content: "";
		height: 6px;
		position: absolute;
		right: 4px;
		top: 50%;
		transform: translateY(-50%);
		-webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='23' height='23' viewBox='0 0 23 23' fill='none'%3E%3Cpath d='M16.9097 9.72217L9.13195 1.94439L11.1111 0L22.2222 11.1111L11.1111 22.2222L9.13195 20.2777L16.9097 12.4999L0 12.4999L0 9.72217L16.9097 9.72217Z' fill='white'/%3E%3C/svg%3E");
		-webkit-mask-position: center;
		-webkit-mask-repeat: no-repeat;
		-webkit-mask-size: contain;
		mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='23' height='23' viewBox='0 0 23 23' fill='none'%3E%3Cpath d='M16.9097 9.72217L9.13195 1.94439L11.1111 0L22.2222 11.1111L11.1111 22.2222L9.13195 20.2777L16.9097 12.4999L0 12.4999L0 9.72217L16.9097 9.72217Z' fill='white'/%3E%3C/svg%3E");
		mask-position: center;
		mask-repeat: no-repeat;
		mask-size: contain;
		width: 6px;
	}

    .footer__nav-btn-text {
        margin-bottom: 0;
    }

	/* CTA: 全幅 */
	.footer__cta {
		gap: 20px;
		margin-block-start: 24px;
		width: 100%;
	}

	.footer__cta .btn {
		height: 50px;
		width: 100%;
	}

	.footer__cta .btn.btn--lg .btn__icon {
		width: 40px;
	}

	.footer__cta .btn.btn--lg .btn__icon::before {
		height: 40px;
	}

	.footer__cta .btn.btn--lg .btn__icon-square {
		border-radius: 2px;
		height: 14px;
		width: 14px;
	}

	.footer__cta .btn.btn--lg .btn__arrow {
		height: 9.6px;
		width: 9.6px;
	}

	/* ボトムバー */
	.footer__bottom {
		justify-content: space-between;
		padding-block: 20px 60px;
	}

	.footer__privacy,
	.footer__copy {
		font-size: 12px;
	}
}