@charset "UTF-8";

:root {
	--c-nttblue: #0072BC;
	--c-darkblue: #001973;
	--c-lightblue: #E7F2FC;
	--c-orange: #FAC452;

	--fs10: calc(10/16 * 100%);
	--fs11: calc(11/16 * 100%);
	--fs12: calc(12/16 * 100%);
	--fs13: calc(13/16 * 100%);
	--fs14: calc(14/16 * 100%);
	--fs16: 100%;
	--fs18: calc(18/16 * 100%);
	--fs20: calc(20/16 * 100%);
	--fs24: calc(24/16 * 100%);
}

.u-fwn {
	font-weight: normal;
}

.u-blue {
	font-weight: 500;
}

.l-sec__inner--w1080 {
	max-width: 1080px;
}

.l-sec__inner--history {
	padding-top: 20px;
}

@media (max-width: 767px) {
	.l-sec__inner--history {
		padding-top: 0;
	}
}

/*-------------------------------------------------------*/
/* p-container */
/*-------------------------------------------------------*/

.p-container {
	position: relative;
	padding-top: 200px;
	overflow: hidden;
}

.p-container::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	z-index: -1;
	width: 115vw;
	height: calc(120vw * 443 / 1920);
	background: url(../img/title_bg.svg) no-repeat center top;
	background-size: contain;
}

@media (max-width: 1079px) {
	.p-container {
		padding-top: 120px;
	}
}

@media (max-width: 767px) {
	.p-container {
		padding-top: 90px;
	}
}

@media (max-width: 390px) {
	.p-container {
		padding-top: 60px;
	}
}

/*-------------------------------------------------------*/
/* p-hero */
/*-------------------------------------------------------*/

.p-hero {
	position: relative;
	max-width: max-content;
	margin-bottom: 120px;
}

.p-hero::after {
	content: '';
	position: absolute;
	left: 0;
	bottom: -40px;
	width: calc(100% - 0.5em);
	height: 10px;
	border-radius: calc(infinity * 1px);
	background-color: var(--c-nttblue);
}

@media (max-width: 1079px) {
	.p-hero {
		margin-bottom: 80px;
	}

	.p-hero::after {
		bottom: -30px;
		height: 8px;
	}
}

@media (max-width: 767px) {
	.p-hero {
		margin-bottom: 60px;
	}

	.p-hero::after {
		bottom: -20px;
		height: 5px;
	}
}

.p-hero__title {
	line-height: 1.3;
	font-size: clamp(2.5rem, 1.747rem + 3.09vw, 4.25rem); /* 40px - 68px */
	font-weight: 700;
}

.p-hero__title > :nth-child(1),
.p-hero__title > :nth-child(3) {
	font-size: calc(48 / 68 * 100%);
}

@media (max-width: 560px) {
	.p-hero__title > :nth-child(3) {
		display: block;
	}
}

.p-hero__sub {
	margin-top: 20px !important;
	font-size: clamp(1.125rem, 0.91rem + 0.88vw, 1.625rem) !important; /* 18px - 26px */
	font-weight: 500;
}

/*-------------------------------------------------------*/
/* p-lead */
/*-------------------------------------------------------*/

.p-lead {
	font-size: clamp(1rem, 0.839rem + 0.66vw, 1.375rem); /* 16px - 22px */
	font-weight: 500;
}

.p-lead > *:first-child {
	margin-top: 0;
}

.p-lead > p + p {
	margin-top: 40px;
}

@media (max-width: 767px) {
	.p-lead > p + p {
		margin-top: 30px;
	}
}

/*-------------------------------------------------------*/
/* p-frame */
/*-------------------------------------------------------*/

.p-frame {
	--radius: 60px;
	--border: 8px;

	position: relative;
	margin-top: 80px;
	border-radius: var(--radius);
	border: var(--border) solid var(--c-nttblue);
	box-shadow: 0 8px 20px rgb(0 0 0 / 0.1);
}

.p-frame::before,
.p-frame::after {
	--pos-x: 82px;
	--pos-y: 22px;

	content: '';
	display: block;
	position: absolute;
	width: 29px;
	height: 35px;
	background: url(../img/icon_arrow.svg) no-repeat center;
	background-size: contain;
}
.p-frame::before {
	left: var(--pos-x);
	top: calc(var(--pos-y) * -1);
}
.p-frame::after {
	right: var(--pos-x);
	bottom: calc(var(--pos-y) * -1);
	transform: rotate(180deg);
}

.p-frame + * {
	margin-top: 40px !important;
}

/* p-frame__title
------------------------------------------*/

.p-frame__title {
	--inner-radius: calc(var(--radius) - var(--border));

	display: grid;
	justify-items: center;
	row-gap: 10px;

	padding: 30px;
	border-radius: var(--inner-radius) var(--inner-radius) 0 0;
	background-color: var(--c-lightblue);
	font-size: clamp(1.25rem, 0.712rem + 2.21vw, 2.5rem); /* 20px - 40px */
	font-weight: 700;
	text-align: center;
}

.p-frame__title::after {
	content: '';
	display: block;
	width: 42px;
	height: 5px;
	border-radius: calc(infinity * 1px);
	background-color: var(--c-orange);
}

/* p-frame__body
------------------------------------------*/

.p-frame__body {
	padding: 40px 82px 60px;
}

.p-frame__body > p {
	font-size: var(--fs20);
}

.p-frame__body > *:first-child {
	margin-top: 0;
}

/* responsive
------------------------------------------*/

@media (max-width: 1079px) {
	.p-frame {
		--radius: 40px;
		margin-top: 60px;
	}

	.p-frame + * {
		margin-top: 20px !important;
	}

	.p-frame::before,
	.p-frame::after {
		--pos-x: 38px;
	}

	.p-frame__title {
		padding: 15px;
	}

	.p-frame__body {
		padding: 30px 30px 40px;
		font-size: var(--fs18);
	}
}

@media (max-width: 767px) {
	.p-frame {
		--radius: 20px;
		--border: 5px;

		margin-top: 40px;
	}

	.p-frame::before,
	.p-frame::after {
		--pos-x: 25px;
		--pos-y: 14px;

		width: 19px;
		height: 23px;
	}

	.p-frame__title {
		padding: 15px;
	}

	.p-frame__body {
		padding: 20px 20px 30px;
		font-size: var(--fs16);
	}
}

/*-------------------------------------------------------*/
/* p-change */
/*-------------------------------------------------------*/

.p-change {
	display: grid;
	justify-items: center;
	gap: 40px 50px;
	grid-template-columns: 72px 1fr;

	max-width: max-content;
	margin-top: 50px;
	margin-inline: auto;
}

.p-change__badge {
	display: grid;
	place-items: center;
}

.p-change__body {
	justify-self: start;

	line-height: 1.2;
	font-size: clamp(1.25rem, 0.927rem + 1.32vw, 2rem); /* 20px - 32px */
	font-weight: 700;
}

.p-change__body > span {
	font-size: calc(24 / 32 * 100%);
	font-weight: 500;
}

.p-change__body > img {
	display: block;
	max-width: 100%;
	height: auto;
}

@media (max-width: 1079px) {
	.p-change {
		gap: 30px;
		margin-top: 30px;
	}
}

@media (max-width: 767px) {
	.p-change {
		gap: 20px;
		grid-template-columns: 50px 1fr;
		margin-top: 30px;
	}

	.p-change__body > img {
		max-width: 90%;
		margin-inline: auto;
	}
}

/*-------------------------------------------------------*/
/* p-badge */
/*-------------------------------------------------------*/

.p-badge {
	display: grid;
	place-items: center;
	line-height: 1;
	width: 72px;
	height: 72px;
	border-radius: calc(infinity * 1px);
	font-size: clamp(1.25rem, 0.927rem + 1.32vw, 2rem); /* 20px - 32px */
	font-weight: 700;
}

.p-badge.--new {
	background-color: var(--c-nttblue);
	color: #FFF;
}

.p-badge.--old {
	background-color: #E5E5E5;
}

.p-badge > span {
	position: relative;
	top: -2px;
}

@media (max-width: 767px) {
	.p-badge {
		width: 50px;
		height: 50px;
	}
}

/*-------------------------------------------------------*/
/* p-history */
/*-------------------------------------------------------*/

.p-history {
	display: grid;
	justify-items: center;
	row-gap: 40px;

	padding: 80px 30px;
	border-radius: 80px;
	background: url(../img/his_bg.png);
	background-attachment: fixed;
	color: #FFF;
	font-weight: 700;
}

.p-history__header {
	display: grid;
	justify-items: center;
	width: 100%;
}

.p-history__header img {
	display: block;
	max-width: 100%;
	height: auto;
}

.p-history__title {
	margin-top: 40px;
}

.p-history__lead {
	line-height: 2;
	padding-inline: 15px;
	font-size: var(--fs20);
	text-align: center;
}

.p-history__btn {
	border-radius: calc(infinity * 1px);
}

@media (max-width: 1079px) {
	.p-history {
		border-radius: 60px;
	}
}

@media (max-width: 767px) {
	.p-history {
		row-gap: 30px;
		padding: 40px 0;
		border-radius: 40px;
	}

	.p-history__copy {
		width: calc(273 / 375 * 100vw);
	}

	.p-history__img {
		width: calc(200 / 375 * 100vw);
	}

	.p-history__title {
		margin-top: 30px;
	}

	.p-history__title > img {
		position: static;
		width: calc(517 / 375 * 100vw);
		height: calc(28 / 375 * 100vw);
		object-fit: cover;
	}
}