/* スマホ記事下部の操作を、一つの座標系で管理する。 */
.km-mobileArticleDock {
	display: none;
}

@media (max-width: 640px) {
	body.has-mobile-article-dock .km-mobileArticleDock {
		display: block;
		position: fixed;
		left: max(10px, env(safe-area-inset-left));
		right: max(10px, env(safe-area-inset-right));
		bottom: calc(8px + env(safe-area-inset-bottom));
		z-index: 240;
		font-family: "Zen Kaku Gothic New", sans-serif;
		transition: opacity 0.2s ease, transform 0.2s ease;
	}

	body.has-mobile-article-dock .km-mobileArticleDock.is-hidden-near-footer {
		opacity: 0;
		pointer-events: none;
		transform: translateY(12px);
	}

	.km-mobileArticleDock__bar {
		display: grid;
		grid-template-columns: minmax(0, 1fr) minmax(120px, auto);
		align-items: stretch;
		min-height: 56px;
		padding: 4px;
		border: 1px solid rgba(84, 75, 60, 0.2);
		border-radius: 18px;
		background: rgba(255, 253, 248, 0.96);
		box-shadow: 0 7px 20px rgba(84, 75, 60, 0.18);
		backdrop-filter: saturate(150%) blur(10px);
	}

	.km-mobileArticleDock--hasFontSize .km-mobileArticleDock__bar {
		grid-template-columns: minmax(74px, 0.8fr) minmax(88px, 1fr) minmax(120px, auto);
	}

	.km-mobileArticleDock__action {
		display: flex;
		min-width: 0;
		min-height: 48px;
		padding: 3px;
		flex-direction: row;
		align-items: center;
		justify-content: center;
		gap: 4px;
		border: 0;
		border-radius: 13px;
		background: transparent;
		color: #5f5547;
		font: inherit;
		font-size: 13px;
		font-weight: 700;
		line-height: 1.1;
		cursor: pointer;
		appearance: none;
		-webkit-tap-highlight-color: transparent;
	}

	.km-mobileArticleDock__action + .km-mobileArticleDock__action {
		border-left: 1px solid rgba(84, 75, 60, 0.12);
		border-radius: 0;
	}

	.km-mobileArticleDock__action:first-child {
		border-radius: 13px 0 0 13px;
	}

	.km-mobileArticleDock__action:last-child {
		border-radius: 0 13px 13px 0;
	}

	.km-mobileArticleDock__action[aria-expanded="true"] {
		background: #f5ede2;
		color: #9a4737;
	}

	.km-mobileArticleDock__action:focus-visible,
	.km-mobileArticleDock__shareLink:focus-visible,
	.km-mobileArticleDock__fontOptions button:focus-visible {
		outline: 2px solid #d66a5f;
		outline-offset: 2px;
	}

	.km-mobileArticleDock__actionIcon {
		position: relative;
		display: inline-flex;
		flex: 0 0 30px;
		width: 30px;
		height: 30px;
		align-items: center;
		justify-content: center;
		border-radius: 50%;
		background: #f5ede2;
		color: #7a6958;
		font-size: 11.5px;
		font-weight: 800;
	}

	.km-mobileArticleDock__actionIcon--share svg {
		display: block;
		width: 18px;
		height: 18px;
		fill: none;
		stroke: currentColor;
		stroke-width: 2;
		stroke-linecap: round;
		stroke-linejoin: round;
	}

	.km-mobileArticleDock__actionLabel {
		min-width: 0;
		font-size: 13px;
		white-space: nowrap;
	}

	.km-mobileArticleDock__action--pageTop {
		gap: 3px;
		padding-inline: 3px;
	}

	.km-mobileArticleDock__action--pageTop img {
		display: block;
		width: 40px;
		height: 40px;
		object-fit: contain;
	}

	.km-mobileArticleDock__action--pageTop .km-mobileArticleDock__actionLabel {
		font-size: 13.5px;
		letter-spacing: 0.02em;
	}

	.km-mobileArticleDock__panel {
		position: absolute;
		left: 0;
		right: 0;
		bottom: calc(100% + 8px);
		padding: 12px;
		border: 1px solid rgba(84, 75, 60, 0.18);
		border-radius: 16px;
		background: #fffdf8;
		box-shadow: 0 8px 24px rgba(84, 75, 60, 0.18);
	}

	.km-mobileArticleDock__panel[hidden] {
		display: none;
	}

	.km-mobileArticleDock__panelTitle {
		margin: 0 0 10px;
		color: #5f5547;
		font-size: 13px;
		font-weight: 700;
		line-height: 1.3;
		text-align: center;
	}

	.km-mobileArticleDock__shareList {
		display: grid;
		grid-template-columns: repeat(4, minmax(0, 1fr));
		gap: 5px;
		margin: 0;
		padding: 0;
		list-style: none;
	}

	.km-mobileArticleDock__shareLink {
		display: flex;
		width: 100%;
		min-width: 0;
		min-height: 64px;
		padding: 5px 2px;
		flex-direction: column;
		align-items: center;
		justify-content: center;
		gap: 4px;
		border: 0;
		border-radius: 11px;
		background: #f8f3eb;
		color: #665c4d;
		font: inherit;
		font-size: 10px;
		font-weight: 700;
		line-height: 1;
		text-decoration: none;
		cursor: pointer;
		appearance: none;
	}

	.km-mobileArticleDock__shareLink img {
		display: block;
		width: 34px;
		height: 34px;
		object-fit: contain;
	}

	.km-mobileArticleDock__fontOptions {
		display: grid;
		grid-template-columns: repeat(3, minmax(0, 1fr));
		gap: 8px;
	}

	.km-mobileArticleDock__fontOptions button {
		min-height: 44px;
		padding: 6px;
		border: 1px solid #d8d0c8;
		border-radius: 12px;
		background: #fff;
		color: #665c4d;
		font: inherit;
		font-size: 15px;
		font-weight: 700;
		cursor: pointer;
		appearance: none;
	}

	.km-mobileArticleDock__fontOptions button[aria-pressed="true"] {
		border-color: #d66a5f;
		background: #d66a5f;
		color: #fff;
	}

	.km-mobileArticleDock__status {
		position: absolute;
		left: 12px;
		right: 12px;
		bottom: calc(100% + 8px);
		margin: 0;
		padding: 8px 10px;
		border-radius: 10px;
		background: #5f5547;
		color: #fff;
		font-size: 11px;
		font-weight: 700;
		line-height: 1.35;
		text-align: center;
		opacity: 0;
		pointer-events: none;
		transform: translateY(4px);
		transition: opacity 0.16s ease, transform 0.16s ease;
	}

	.km-mobileArticleDock__status.is-visible {
		opacity: 1;
		transform: translateY(0);
	}

	.km-mobileArticleDock__copySource {
		position: fixed;
		left: -9999px;
		top: 0;
	}

	body.has-mobile-article-dock .km-pageTopBtn {
		display: none;
	}
}

@media (prefers-reduced-motion: reduce) {
	.km-mobileArticleDock,
	.km-mobileArticleDock__status {
		transition: none;
	}
}

@media (max-width: 350px) {
	.km-mobileArticleDock__action {
		padding-inline: 2px;
		gap: 3px;
	}

	.km-mobileArticleDock__actionIcon {
		flex-basis: 28px;
		width: 28px;
		height: 28px;
	}

	.km-mobileArticleDock__action--pageTop {
		padding-inline: 2px;
	}

	.km-mobileArticleDock__action--pageTop .km-mobileArticleDock__actionLabel {
		font-size: 13px;
	}
}