@utf-8;

/* --- variables ------------------------------------------------ */
:where(:root) {
	--_font-sans: "Noto Sans JP", sans-serif;
	--_font-serif: "Noto Serif JP", serif;
	--_font-pinyon: "Pinyon Script", serif;

	--_color-background: oklch(0 0 0);
	/* #000000 */
	--_color-foreground: oklch(1 0 0);
	/* #ffffff */
	--_color-primary: oklch(0.2 0.03 16.5);
	/* #231112 */
	--_color-secondary: oklch(0.6 0.06 88.18);
	/* #8f7f58 */
	--_color-tertiary: oklch(0.85 0 0);
	/* #cecece */

	--_container-width: 92.5%;
	--_container-max-width: 1280px;
}


.u-br-sp {
	@media (min-width: 768px) {
		display: none;
	}
}

.u-br-pc {
	display: none;

	@media (min-width: 768px) {
		display: block;
	}
}



/* 目次 */
.p-lp-toc {
	background: none;
	background-color: var(--_color-background);
	font-size: 16px;
	padding-top: 2em;
}

@media (min-width: 1024px) {
	.p-lp-toc {
		font-size: 19px;
		padding-top: 0em;
	}
}

.p-lp-toc__container {
	--grid-cols: 1;
	width: fit-content;
}

@media (min-width: 768px) {
	.p-lp-toc__container {
		--grid-cols: 3;
		max-width: 100%;
		gap: 1em;
		min-width: fit-content;
	}
}

@media (min-width: 1024px) {
	.p-lp-toc__container {
		max-width: 1222px;
	}
}

.c-ring__content {
	background-color: var(--_color-background);
	color: #fff;
	overflow: clip;
	font-size: 16px;

}

@media (min-width: 768px) {
	.c-ring__content {
		font-size: 18px;
	}
}

@media (min-width: 1024px) {
	.c-ring__content {
		font-size: 19px;
	}
}

.c-ring__contentInner {
	padding: 4em 1em 1em;
	position: relative;
	z-index: 1;
}

.c-ring__contentTitle {
	text-align: center;
	font-size: 1.4em;
	margin-bottom: 1em;
	position: relative;
	z-index: 1;
}

@media (min-width: 768px) {
	.c-ring__contentTitle {
		width: fit-content;
		background-image: linear-gradient(180deg, var(--_color-background) 0%, #350E11 30%, #350E11 70%, var(--_color-background) 100%);
		margin-left: auto;
		margin-right: auto;
		padding: 10px 20px;
	}
}


.c-ring__contentTitle::before {
	content: "";
	background-image: linear-gradient(180deg, var(--_color-background) 0%, #350E11 30%, #350E11 70%, var(--_color-background) 100%);
	width: 100vw;
	display: block;
	position: absolute;
	z-index: -1;
	display: block;
	position: absolute;
	z-index: -1;
	padding: 40px;
	top: 50%;
	transform: translateY(-50%);
	left: -.5em;
}

@media (min-width: 768px) {
	.c-ring__contentTitle::before {
		display: none;
	}
}

@media (min-width: 768px) {
	.c-ring__contentTitle {
		font-size: 1.5em;
	}
}


.c-ring__contentSubTitle {
	text-align: center;
	font-size: 1.1em;
	margin-bottom: 1em;
}

@media (min-width: 768px) {
	.c-ring__contentSubTitle {
		font-size: 1.25em;
	}
}

.c-ring__leadText {
	text-align: center;
	margin-bottom: 2em;

	font-size: 0.75em;
	font-family: var(--_font-sans);
	line-height: 1.5;

}

@media (min-width: 768px) {
	.c-ring__leadText {
		font-size: 0.8em;
	}
}

.c-ring__contentText {
	text-align: center;

	font-size: 0.75em;
	font-family: var(--_font-sans);
	line-height: 1.5;

}

@media (min-width: 768px) {
	.c-ring__contentText {
		font-size: 0.8em;
	}
}

.p-ring-summary__inner .c-button__inner {
	padding-top: 4rem;
}

@media (min-width: 768px) {
	.p-ring-summary__inner .c-button__inner {
		padding-bottom: 4rem;
	}
}


.c-ring__contentImage {
	text-align: center;
	max-width: 100%;
	margin: 2em auto;
}

@media (min-width: 1024px) {
	.c-ring__contentImage {
		max-width: 720px;
	}
}

.c-ring__contentAccordion {
	margin: 4em auto;
}




@media (min-width: 768px) {
	.c-ring__contentAccordion {
		width: 60%;
		margin: 4em auto;
	}
}


.c-ring-link {
	position: relative;
	width: 80%;
	min-width: 300px;
	margin: 2em 0 2em auto;

}

@media (min-width: 768px) {
	.c-ring-link {
		width: fit-content;
		margin: 2em auto;
		min-width: unset;
		text-align: center;
	}
}


/* 各セクションごとに位置を調整 */
.c-ring__content .c-ring-link {
	right: -1em;
}

@media (min-width: 768px) {
	.c-ring__content .c-ring-link {
		right: unset;
	}
}

.c-button__inner .c-ring-link {
	margin-bottom: 0;
	right: -5.1282051282%;
}

@media (min-width: 768px) {
	.c-button__inner .c-ring-link {
		right: unset;
		width: 43.125rem;
		min-width: 360px;
	}
}

.c-ring-link::before {
	content: "";
	width: 1em;
	height: 1px;
	display: inline-block;
	background-color: var(--_color-secondary);
	position: absolute;
	top: 50%;
	left: -.5em;
	transform: translateY(-50%);
}

@media (min-width: 768px) {
	.c-ring-link::before {
		left: -0.5em;
	}
}

.c-ring-link__button {
	background-color: var(--_color-primary);
	color: var(--_color-secondary);
	display: block;
	padding: 0.5em 0 0.5em 1em;
	font-size: 16px;
	font-weight: 700;
}

@media (min-width: 768px) {
	.c-ring-link__button {
		font-size: 18px;
		padding: 0.75em 2em 0.75em 2em;
	}
}

@media (min-width: 1024px) {
	.c-ring-link__button {
		font-size: 19px;
	}
}

.p-ring-summary__title {
	font-size: 1.4em;
	color: var(--_color-foreground);
	text-align: center;
	padding: 1.5em;
	position: relative;
}

@media (min-width: 768px) {
	.p-ring-summary__title {
		font-size: 22px;
		padding-bottom: 60px;
	}
}

@media (min-width: 1024px) {
	.p-ring-summary__title {
		font-size: 27px;
		padding-bottom: 80px;
	}
}



.p-ring-summary__title::before {
	z-index: -1;
	position: absolute;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100%;
	margin: 0 calc(50% - 50vw);
	background-color: #0f0304;
	content: "";
}


.p-lp-cta__buttons {
	display: flex;
	flex-direction: column;
	gap: 1.25em;
	margin: 2em 0;
}

@media (min-width: 768px) {
	.p-lp-cta__buttons {
		flex-direction: row;
		gap: 3.5%;
		max-width: 460px;
		margin: 1.5em auto 0;
	}
}

@media (min-width: 1024px) {
	.p-lp-cta__buttons {
		max-width: 660px;
	}
}

.p-lp-cta__buttons .p-lp-button {
	width: 90%;
	margin: 0 auto;
}

@media (min-width: 768px) {
	.p-lp-cta__buttons .p-lp-button {
		padding: 1.8em 0;
	}
}

.p-ring__links .p-lp-toc__container {
	--grid-cols: 2;
	width: fit-content;
}

.p-ring__links--engagement .p-lp-toc__button {
	height: 5em;
}

@media (min-width: 768px) {
	.p-ring__links .p-lp-toc__container {
		--grid-cols: 4;
	}

	.p-ring__links--engagement .p-lp-toc__container {
		--grid-cols: 3;
	}

	.p-ring__links--engagement .p-lp-toc__button {
		height: auto;
	}
}



@media (max-width: 1024px) {
	.c-ring-accordion__panel {
		position: relative;
		overflow: hidden;
		transition: height 0.45s ease;
	}

	.c-ring__contentAccordion.is-collapsed .c-ring-accordion__panel::after {
		content: "";
		position: absolute;
		left: 0;
		right: 0;
		bottom: -2px;
		height: 4.25em;
		background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.7) 58%, rgba(0, 0, 0, 1) 100%);
		border-bottom: 1px solid rgba(255, 255, 255, 0.35);
		pointer-events: none;
	}

	.c-ring-accordion__toggle {
		display: flex;
		align-items: center;
		justify-content: center;
		gap: 0.6em;
		margin: 1em auto 0;
		padding: 0.6em 1.2em;
		background: transparent;
		color: var(--_color-secondary);
		font-size: 0.9em;
		font-family: var(--_font-sans);
		letter-spacing: 0.08em;
		line-height: 1;
		cursor: pointer;
	}

	.c-ring-accordion__icon {
		width: 0;
		height: 0;
		border-left: 0.34em solid transparent;
		border-right: 0.34em solid transparent;
		border-top: 0.52em solid currentColor;
		transition: transform 0.3s ease;
	}

	.c-ring__contentAccordion.is-expanded .c-ring-accordion__icon {
		transform: rotate(180deg) translateY(1px);
	}
}

.p-about {
	position: relative;
	overflow: clip;
}

.p-about-bg {
	position: absolute;
	bottom: 0;
	width: 40%;
	height: 70%;
}

.p-about-bg img {
	object-fit: cover;
	width: 100%;
	height: 100%;
}

.p-about-bg::after {
	content: "";
	position: absolute;
	inset: 0;
	background-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 28%, rgba(0, 0, 0, 0) 72%, rgba(0, 0, 0, 1) 100%), var(--bg-fade-x, linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0)));
	pointer-events: none;
}


.p-about::after {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.5);
}