/* ==========================================================
   老い科学研究所 フレイル予防編（page-oikagaku-frailty.php）専用スタイル
   スコープ：#oikagaku-frailty 配下のみ。他ページへの影響なし。
   ========================================================== */

#oikagaku-frailty {
	--oikf-navy: #2c3e50;
	--oikf-navy-soft: #52667a;
	--oikf-gold: #a68b5b;
	--oikf-cream: #f7f5f0;
	--oikf-border: #e2e2e2;
	--oikf-danger: #a04b3f;
	--oikf-warn: #c9963a;
	color: #202020;
}

#oikagaku-frailty .inner {
	width: 92%;
	max-width: 88rem;
	margin: 0 auto;
}

#oikagaku-frailty section {
	padding: 6rem 0;
}

#oikagaku-frailty section:nth-of-type(even) {
	background: var(--oikf-cream);
}

#oikagaku-frailty h2 {
	position: relative;
	margin-bottom: 3rem;
	padding: 0;
	text-align: center;
	font-size: 2.6rem;
	font-weight: 600;
	color: var(--oikf-navy);
	background: none;
	letter-spacing: 0.1rem;
}

#oikagaku-frailty h2:after {
	content: "";
	display: block;
	margin: 1.5rem auto 0;
	width: 6rem;
	height: 0.2rem;
	background: var(--oikf-gold);
}

#oikagaku-frailty .desc {
	max-width: 76rem;
	margin: 0 auto 3rem;
	text-align: center;
	line-height: 1.9;
}

#oikagaku-frailty .desc.small {
	font-size: 1.4rem;
	color: #555;
}

#oikagaku-frailty .flex {
	display: flex;
}

#oikagaku-frailty a {
	color: var(--oikf-navy);
	text-decoration: underline;
}

/* ---------- ファーストビュー #lead ---------- */
#oikagaku-frailty #lead {
	background: #fff;
	padding-top: 5rem;
}

#oikagaku-frailty #lead .lead {
	text-align: center;
	margin-bottom: 3rem;
}

#oikagaku-frailty #lead h1 .label {
	display: inline-block;
	margin-bottom: 1.2rem;
	font-size: 1.4rem;
	font-weight: 600;
	letter-spacing: 0.1em;
	color: var(--oikf-gold);
}

#oikagaku-frailty #lead h1 {
	font-size: 2.8rem;
	font-weight: 700;
	line-height: 1.5;
	color: var(--oikf-navy);
}

#oikagaku-frailty #lead .intro {
	max-width: 70rem;
	margin: 0 auto;
	text-align: center;
	line-height: 2;
}

/* ---------- フレイルにかかわる体の変化 #changes ---------- */
#oikagaku-frailty .change-grid {
	flex-wrap: wrap;
	justify-content: center;
	gap: 2rem;
	margin-bottom: 2.6rem;
}

#oikagaku-frailty .change-item {
	width: calc((100% - 2rem) / 2);
	min-width: 26rem;
	padding: 2.8rem 2.4rem;
	border-radius: 0.6rem;
	background: #fff;
	box-shadow: 0 0.2rem 1rem rgba(0, 0, 0, 0.06);
}

#oikagaku-frailty .change-item h3 {
	margin-bottom: 1.2rem;
	font-size: 1.8rem;
	font-weight: 600;
	color: var(--oikf-navy);
}

#oikagaku-frailty .change-item h3 span {
	display: block;
	margin-top: 0.3rem;
	font-size: 1.3rem;
	font-weight: 400;
	color: var(--oikf-navy-soft);
}

#oikagaku-frailty .change-item p {
	line-height: 1.8;
}

/* ---------- フレイルの5つのサイン #criteria ---------- */
#oikagaku-frailty .criteria-table {
	width: 100%;
	margin-bottom: 3rem;
	border-collapse: collapse;
	table-layout: fixed;
}

#oikagaku-frailty .criteria-table th,
#oikagaku-frailty .criteria-table td,
#oikagaku-frailty .criteria-table tbody th,
#oikagaku-frailty .criteria-table tbody td {
	display: table-cell;
	padding: 1.4rem 1.6rem;
	border: 0.1rem solid var(--oikf-border);
	text-align: left;
	font-size: 1.5rem;
	font-weight: 600;
	color: #202020;
	width: auto;
}

#oikagaku-frailty .criteria-table th {
	width: 16rem;
	background: var(--oikf-cream);
}

#oikagaku-frailty .criteria-judge {
	flex-wrap: wrap;
	justify-content: center;
	gap: 1.6rem;
	margin-bottom: 2rem;
}

#oikagaku-frailty .judge-item {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	width: 14rem;
	height: 14rem;
	border-radius: 50%;
	color: #fff;
}

#oikagaku-frailty .judge-item .num {
	font-size: 2.2rem;
	font-weight: 700;
}

#oikagaku-frailty .judge-item .label {
	margin-top: 0.4rem;
	font-size: 1.3rem;
	font-weight: 600;
}

#oikagaku-frailty .judge-item.healthy {
	background: var(--oikf-navy);
}

#oikagaku-frailty .judge-item.prefrail {
	background: var(--oikf-warn);
}

#oikagaku-frailty .judge-item.frail {
	background: var(--oikf-danger);
}

/* ---------- 放っておくとどうなるか #risk ---------- */
#oikagaku-frailty #risk {
	background: #fff;
}

#oikagaku-frailty .risk-grid {
	flex-wrap: wrap;
	justify-content: center;
	gap: 2rem;
	margin-bottom: 2.6rem;
}

#oikagaku-frailty .risk-item {
	width: calc((100% - 2rem) / 2);
	min-width: 26rem;
	padding: 2.8rem 2.4rem;
	border: 0.1rem solid var(--oikf-border);
	border-radius: 0.6rem;
	background: var(--oikf-cream);
}

#oikagaku-frailty .risk-item.strong {
	background: #f5e9e6;
	border-color: #e3c8c2;
}

#oikagaku-frailty .risk-item .score {
	margin-bottom: 1.4rem;
	font-size: 1.6rem;
	font-weight: 700;
	line-height: 1.5;
	color: var(--oikf-navy);
}

#oikagaku-frailty .risk-item.strong .score {
	color: var(--oikf-danger);
}

#oikagaku-frailty .risk-item ul li {
	margin-bottom: 0.8rem;
	line-height: 1.7;
}

#oikagaku-frailty .risk-item ul li:last-child {
	margin-bottom: 0;
}

/* ---------- 予防の3つの柱 #prevention ---------- */
#oikagaku-frailty .prevention-grid {
	flex-wrap: wrap;
	justify-content: center;
	gap: 2rem;
}

#oikagaku-frailty .prevention-item {
	width: calc((100% - 4rem) / 3);
	min-width: 24rem;
	padding: 2.8rem 2.2rem;
	border-radius: 0.6rem;
	background: #fff;
	box-shadow: 0 0.2rem 1rem rgba(0, 0, 0, 0.06);
}

#oikagaku-frailty .prevention-item h3 {
	margin-bottom: 1.2rem;
	font-size: 1.8rem;
	font-weight: 600;
	color: var(--oikf-navy);
}

#oikagaku-frailty .prevention-item h3 span {
	display: block;
	margin-top: 0.3rem;
	font-size: 1.3rem;
	font-weight: 400;
	color: var(--oikf-navy-soft);
}

#oikagaku-frailty .prevention-item p {
	line-height: 1.8;
}

/* ---------- 施設への導線 #related ---------- */
#oikagaku-frailty #related {
	background: var(--oikf-cream);
}

#oikagaku-frailty #related .card {
	align-items: center;
	flex-wrap: wrap;
	gap: 3rem;
	max-width: 90rem;
	margin: 0 auto 3rem;
	padding: 3rem;
	border-radius: 0.6rem;
	background: #fff;
}

#oikagaku-frailty #related .img {
	flex: 1 1 32rem;
}

#oikagaku-frailty #related .img img {
	width: 100%;
	border-radius: 0.6rem;
}

#oikagaku-frailty #related .txts {
	flex: 1 1 32rem;
}

#oikagaku-frailty #related h2 {
	margin-bottom: 1.6rem;
	text-align: left;
}

#oikagaku-frailty #related h2:after {
	margin: 1.5rem 0 0;
}

#oikagaku-frailty #related p {
	margin: 0 0 2rem;
	text-align: left;
	line-height: 1.9;
}

#oikagaku-frailty .btn.arrow {
	display: inline-block;
}

#oikagaku-frailty .btn.arrow a {
	position: relative;
	display: inline-block;
	padding: 1.2rem 3.2rem 1.2rem 2rem;
	border: 0.1rem solid var(--oikf-navy);
	border-radius: 0.4rem;
	background: var(--oikf-navy);
	color: #fff;
	font-size: 1.5rem;
	font-weight: 600;
	text-decoration: none;
}

#oikagaku-frailty .btn.arrow a:after {
	content: "";
	position: absolute;
	top: 50%;
	right: 1.4rem;
	width: 0.7rem;
	height: 0.7rem;
	border-top: 0.2rem solid #fff;
	border-right: 0.2rem solid #fff;
	transform: translateY(-50%) rotate(45deg);
}

#oikagaku-frailty .back-link {
	text-align: center;
}

#oikagaku-frailty .back-link a {
	font-size: 1.4rem;
	font-weight: 600;
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 750px) {
	#oikagaku-frailty section {
		padding: 4.5rem 0;
	}

	#oikagaku-frailty h2 {
		font-size: 2.1rem;
	}

	#oikagaku-frailty #lead h1 {
		font-size: 2.3rem;
	}

	#oikagaku-frailty .desc {
		text-align: left;
	}

	#oikagaku-frailty .change-item,
	#oikagaku-frailty .risk-item,
	#oikagaku-frailty .prevention-item {
		width: 100%;
	}

	#oikagaku-frailty .criteria-table th {
		width: 9rem;
		padding: 1rem 0.8rem;
		font-size: 1.3rem;
	}

	#oikagaku-frailty .criteria-table td {
		padding: 1rem 0.8rem;
		font-size: 1.3rem;
	}

	#oikagaku-frailty .judge-item {
		width: 10rem;
		height: 10rem;
	}

	#oikagaku-frailty #related .card {
		padding: 2rem;
	}
}