/*
 * home.css
 * トップページ専用：カタカムナ八十首講座LPと、埋め込みチャット領域。
 */

:root{
  --kc-deep:#071326;--kc-deep2:#0d2239;--kc-navy:#18324f;--kc-ivory:#f8f3e8;
  --kc-paper:#fffdf8;--kc-gold:#b1883e;--kc-gold2:#d9bd77;--kc-ink:#18253a;
  --kc-muted:#667083;--kc-line:rgba(177,136,62,.25);--kc-shadow:0 24px 70px rgba(10,25,44,.14);
}
html{background:var(--kc-deep)}body{background:var(--kc-ivory);color:var(--kc-ink);font-size:17px;line-height:1.9}
.container{width:min(calc(100% - 42px),1180px)}
.section{padding:105px 0}.section-head h2{color:var(--kc-ink);font-size:clamp(34px,5vw,62px)}
.section-head p{color:var(--kc-muted)}.eyebrow{color:var(--kc-gold);font-size:11px}
.gold{color:var(--kc-gold2)}.kc-accent{color:#8c6530}.kc-note{font-size:12px;color:var(--kc-muted)}
.site-header{background:rgba(7,19,38,.92);border-bottom:1px solid rgba(217,189,119,.15);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.site-header.scrolled{background:rgba(7,19,38,.97);border-color:rgba(217,189,119,.24)}
.nav{height:76px}.brand-ja{color:#fff}.brand-en{color:var(--kc-gold2)}.brand-mark{border-color:rgba(217,189,119,.62);color:var(--kc-gold2)}
.nav-links a{color:#d4dce8}.nav-links a:hover{color:var(--kc-gold2)}.menu-btn{border-color:rgba(217,189,119,.35)}
.btn{min-height:56px;padding:13px 24px}.btn.primary{color:#111824;background:linear-gradient(135deg,#f0d79c,#b68b3d);box-shadow:0 16px 44px rgba(177,136,62,.26)}
.btn.secondary{color:#fff;border-color:rgba(240,215,156,.44);background:rgba(255,255,255,.05)}.btn.ink{background:var(--kc-deep);color:#fff}.btn.ghost-ink{color:var(--kc-deep);border-color:rgba(7,19,38,.24);background:transparent}
.kc-hero{position:relative;min-height:880px;padding:145px 0 92px;overflow:hidden;color:#fff;background:linear-gradient(145deg,#041020 0%,#0b2037 58%,#102844 100%)}
.kc-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 15% 24%,rgba(217,189,119,.12),transparent 30rem),radial-gradient(circle at 92% 12%,rgba(255,255,255,.08),transparent 28rem)}
.kc-hero::after{content:"";position:absolute;inset:0;opacity:.18;background-image:linear-gradient(rgba(217,189,119,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(217,189,119,.09) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(to bottom,#000,transparent 83%)}
.kc-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.04fr .96fr;gap:70px;align-items:center}
.kc-kicker{display:inline-flex;align-items:center;gap:9px;margin:0 0 22px;padding:7px 13px;border:1px solid rgba(217,189,119,.38);border-radius:999px;color:var(--kc-gold2);font-size:10px;font-weight:800;letter-spacing:.14em}
.kc-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--kc-gold2);box-shadow:0 0 14px var(--kc-gold2)}
.kc-hero h1{margin:0;font-family:var(--font-serif);font-size:clamp(42px,5.2vw,66px);font-weight:500;line-height:1.24;letter-spacing:.025em;word-break:keep-all}
.kc-hero h1 .kc-h1-line{display:block;color:#fff;font:inherit;white-space:nowrap}
.kc-hero h1 small{display:block;margin-top:15px;color:var(--kc-gold2);font-family:var(--font-sans);font-size:.27em;font-weight:800;letter-spacing:.16em}
.kc-hero-lead{max-width:720px;margin:28px 0;color:#d9e0ea;font-size:clamp(17px,2vw,21px);line-height:2}.kc-hero-lead strong{color:#fff}
.kc-hero-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}.kc-hero-badges span{padding:7px 11px;border:1px solid rgba(255,255,255,.13);border-radius:999px;color:#c9d4e2;background:rgba(255,255,255,.04);font-size:11px}
.kc-hero-art{position:relative;min-height:650px}.kc-hero-image{position:absolute;inset:0 8% 0 0;border-radius:30px;overflow:hidden;border:1px solid rgba(217,189,119,.42);box-shadow:0 38px 90px rgba(0,0,0,.42)}
.kc-hero-image img{width:100%;height:100%;object-fit:cover;object-position:center}.kc-hero-image::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(4,16,32,.46),transparent 42%)}
.kc-hero-card{position:absolute;right:0;bottom:42px;width:292px;padding:22px;border:1px solid rgba(217,189,119,.42);border-radius:18px;background:rgba(7,19,38,.9);backdrop-filter:blur(14px);box-shadow:0 20px 55px rgba(0,0,0,.35)}
.kc-hero-card small{display:block;color:var(--kc-gold2);font-weight:800;letter-spacing:.13em}.kc-hero-card strong{display:block;margin:8px 0 4px;font-family:var(--font-serif);font-size:22px}.kc-hero-card span{color:#adbaca;font-size:12px}
.kc-metrics{background:#fff;border-top:1px solid rgba(177,136,62,.18);border-bottom:1px solid rgba(177,136,62,.18)}.kc-metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}.kc-metric{padding:27px 20px;text-align:center;border-right:1px solid rgba(177,136,62,.18)}.kc-metric:last-child{border-right:0}.kc-metric strong{display:block;color:var(--kc-deep);font-family:var(--font-serif);font-size:26px}.kc-metric span{color:#777f8d;font-size:11px}
.kc-problem{background:var(--kc-paper)}.kc-problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.kc-problem-card{padding:30px;border:1px solid rgba(24,37,58,.11);border-radius:22px;background:#fff;box-shadow:0 14px 35px rgba(10,25,44,.06)}.kc-problem-card .n{color:var(--kc-gold);font-size:11px;font-weight:900;letter-spacing:.14em}.kc-problem-card h3{margin:15px 0 10px;font-family:var(--font-serif);font-size:23px;font-weight:600}.kc-problem-card p{margin:0;color:var(--kc-muted);font-size:14px}
.kc-thesis{background:linear-gradient(145deg,#0a1d33,#071326);color:#fff}.kc-thesis-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}.kc-thesis h2{margin:18px 0;font-family:var(--font-serif);font-size:clamp(38px,5.4vw,66px);font-weight:500;line-height:1.35}.kc-thesis p{color:#c7d1df}.kc-cycle-frame{padding:18px;border:1px solid rgba(217,189,119,.32);border-radius:26px;background:rgba(255,255,255,.04);box-shadow:0 25px 75px rgba(0,0,0,.25)}.kc-cycle-frame img{width:100%;border-radius:16px;background:#fff}.kc-thesis-points{display:grid;gap:12px;margin-top:28px}.kc-thesis-points div{display:flex;gap:11px;color:#dce3ec}.kc-thesis-points div::before{content:"✦";color:var(--kc-gold2)}
.kc-method{background:var(--kc-ivory)}.kc-method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.kc-method-card{min-height:320px;padding:34px;border:1px solid rgba(24,37,58,.12);border-radius:24px;background:#fff;box-shadow:var(--kc-shadow)}.kc-method-card .mark{width:48px;height:48px;display:grid;place-items:center;border:1px solid rgba(177,136,62,.42);border-radius:50%;color:var(--kc-gold);font-family:var(--font-serif);font-size:20px}.kc-method-card h3{margin:22px 0 12px;font-family:var(--font-serif);font-size:25px;font-weight:600}.kc-method-card p{margin:0;color:var(--kc-muted);font-size:14px}.kc-method-card b{display:block;margin-top:22px;color:var(--kc-gold);font-size:10px;letter-spacing:.13em}
.kc-evidence{background:#fff}.kc-book-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:70px;align-items:center}.kc-book-stack{position:relative;min-height:620px}.kc-book-cover{position:absolute;left:8%;top:0;width:55%;height:88%;border-radius:18px;overflow:hidden;box-shadow:0 28px 70px rgba(7,19,38,.26);transform:rotate(-3deg);border:1px solid rgba(177,136,62,.28)}.kc-book-cover img,.kc-page-preview img{width:100%;height:100%;object-fit:cover}.kc-page-preview{position:absolute;width:49%;height:74%;border-radius:16px;overflow:hidden;box-shadow:0 22px 60px rgba(7,19,38,.22);border:1px solid rgba(177,136,62,.25)}.kc-page-preview.p1{right:8%;top:8%;transform:rotate(4deg)}.kc-page-preview.p2{right:0;bottom:0;transform:rotate(1deg)}.kc-book-copy h2{margin:17px 0;font-family:var(--font-serif);font-size:clamp(36px,4.7vw,58px);font-weight:500;line-height:1.4}.kc-book-copy p{color:var(--kc-muted)}.kc-book-list{display:grid;gap:11px;margin-top:24px}.kc-book-list div{display:flex;gap:11px}.kc-book-list div::before{content:"✓";color:var(--kc-gold);font-weight:900}
.kc-outcomes{background:#eef2ed}.kc-outcome-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.kc-outcome{padding:25px;border:1px solid rgba(24,37,58,.1);border-radius:20px;background:rgba(255,255,255,.82)}.kc-outcome span{color:var(--kc-gold);font-size:10px;font-weight:900}.kc-outcome h3{margin:13px 0 8px;font-family:var(--font-serif);font-size:19px;font-weight:600}.kc-outcome p{margin:0;color:var(--kc-muted);font-size:12px}
.kc-curriculum{background:var(--kc-paper)}.kc-month-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.kc-month{padding:27px;border:1px solid rgba(24,37,58,.11);border-radius:20px;background:#fff;box-shadow:0 10px 28px rgba(10,25,44,.05)}.kc-month small{color:var(--kc-gold);font-size:10px;font-weight:900;letter-spacing:.12em}.kc-month h3{margin:11px 0 8px;font-family:var(--font-serif);font-size:21px;font-weight:600}.kc-month p{margin:0;color:var(--kc-muted);font-size:12px}.kc-month strong{display:block;margin-top:12px;color:var(--kc-deep);font-size:12px}.kc-session{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px;margin-top:34px;padding:36px;border-radius:26px;color:#fff;background:linear-gradient(145deg,#0b2037,#071326)}.kc-session h3{margin:0 0 12px;font-family:var(--font-serif);font-size:28px}.kc-session p{color:#bec9d7}.kc-time-grid{display:grid;gap:9px}.kc-time{display:grid;grid-template-columns:76px 1fr;gap:12px;padding:12px 14px;border:1px solid rgba(255,255,255,.1);border-radius:13px;background:rgba(255,255,255,.035)}.kc-time b{color:var(--kc-gold2)}.kc-time span{color:#d7dfe9;font-size:12px}
.kc-for{background:var(--kc-ivory)}.kc-for-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.kc-for-card{padding:35px;border:1px solid rgba(24,37,58,.12);border-radius:23px;background:#fff}.kc-for-card h3{margin:0 0 18px;font-family:var(--font-serif);font-size:27px}.kc-for-card ul{display:grid;gap:11px;margin:0;padding:0;list-style:none}.kc-for-card li{position:relative;padding-left:24px;color:#525d70;font-size:14px}.kc-for-card li::before{content:"○";position:absolute;left:0;color:var(--kc-gold)}.kc-for-card.not li::before{content:"—";color:#9e7a75}
.kc-role{background:#fff}.kc-role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.kc-role-card{padding:32px;border:1px solid rgba(24,37,58,.11);border-radius:22px;background:var(--kc-paper)}.kc-role-card span{color:var(--kc-gold);font-size:10px;font-weight:900;letter-spacing:.13em}.kc-role-card h3{margin:15px 0 10px;font-family:var(--font-serif);font-size:25px}.kc-role-card p{margin:0;color:var(--kc-muted);font-size:13px}.kc-role-arrow{text-align:center;margin-top:24px;color:var(--kc-gold);font-weight:800}
.kc-instructor{background:linear-gradient(145deg,#0c223b,#071326);color:#fff}.kc-instructor-grid{display:grid;grid-template-columns:.42fr .58fr;gap:52px;align-items:center}.kc-instructor-seal{width:min(340px,100%);aspect-ratio:1;display:grid;place-items:center;margin:auto;border:1px solid rgba(217,189,119,.38);border-radius:50%;background:radial-gradient(circle,rgba(217,189,119,.16),transparent 65%);position:relative}.kc-instructor-seal::before,.kc-instructor-seal::after{content:"";position:absolute;inset:14%;border:1px solid rgba(217,189,119,.25);transform:rotate(45deg)}.kc-instructor-seal::after{inset:28%;border-radius:50%;transform:none}.kc-instructor-seal span{z-index:2;color:var(--kc-gold2);font-family:var(--font-serif);font-size:56px}.kc-instructor h2{margin:15px 0;font-family:var(--font-serif);font-size:clamp(40px,5vw,64px);font-weight:500}.kc-instructor p{color:#c8d1df}.kc-instructor-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.kc-instructor-tags span{padding:6px 10px;border:1px solid rgba(217,189,119,.25);border-radius:999px;color:#ddd1b1;font-size:10px}
.kc-pricing{background:var(--kc-paper)}.kc-pricing-shell{display:grid;grid-template-columns:.78fr 1.22fr;gap:26px;align-items:stretch}.kc-price-summary{padding:42px;border-radius:28px;color:#fff;background:linear-gradient(145deg,#102943,#071326);box-shadow:0 28px 80px rgba(7,19,38,.24)}.kc-price-summary small{color:var(--kc-gold2);font-weight:900;letter-spacing:.14em}.kc-price-summary h3{margin:14px 0 8px;font-family:var(--font-serif);font-size:34px}.kc-current-status{margin-top:32px;padding:21px;border:1px solid rgba(217,189,119,.28);border-radius:18px;background:rgba(255,255,255,.05)}.kc-current-status span{display:block;color:#9fb0c3;font-size:10px}.kc-current-status strong{display:block;margin:5px 0;color:#fff;font-family:var(--font-serif);font-size:22px}.kc-current-price{margin:8px 0;color:var(--kc-gold2);font-family:var(--font-serif);font-size:52px;line-height:1}.kc-current-price small{font-family:var(--font-sans);font-size:13px}.kc-current-save{color:#c4d0dd;font-size:11px}.kc-price-options{display:grid;grid-template-columns:1fr 1fr;gap:14px}.kc-price-option{position:relative;padding:28px;border:1px solid rgba(24,37,58,.12);border-radius:22px;background:#fff;cursor:pointer;transition:.2s;text-align:left}.kc-price-option:hover,.kc-price-option.active{transform:translateY(-3px);border-color:rgba(177,136,62,.65);box-shadow:0 18px 50px rgba(7,19,38,.11)}.kc-price-option.active::after{content:"適用中";position:absolute;right:17px;top:15px;padding:4px 8px;border-radius:999px;color:#fff;background:var(--kc-deep);font-size:9px}.kc-price-option small{color:var(--kc-gold);font-weight:900;letter-spacing:.08em}.kc-price-option h3{margin:12px 0 5px;font-family:var(--font-serif);font-size:22px}.kc-price-option strong{display:block;color:var(--kc-deep);font-family:var(--font-serif);font-size:31px}.kc-price-option p{margin:9px 0 0;color:var(--kc-muted);font-size:11px}.kc-price-notes{margin-top:24px;padding:21px;border:1px solid rgba(24,37,58,.11);border-radius:16px;background:#f4ede0;color:#625e58;font-size:12px}.kc-price-notes strong{color:#654a20}
.kc-faq{background:#fff}.kc-faq .faq{max-width:920px}.kc-faq details{border-color:rgba(24,37,58,.12);background:var(--kc-paper)}.kc-faq summary{color:var(--kc-ink)}.kc-faq details p{color:var(--kc-muted)}
.kc-final{position:relative;padding:115px 0;text-align:center;color:#fff;background:linear-gradient(145deg,#071326,#102943);overflow:hidden}.kc-final::before{content:"";position:absolute;left:50%;top:50%;width:720px;aspect-ratio:1;transform:translate(-50%,-50%);border:1px solid rgba(217,189,119,.16);border-radius:50%;box-shadow:0 0 0 70px rgba(217,189,119,.02),0 0 0 140px rgba(255,255,255,.008)}.kc-final-inner{position:relative;max-width:900px}.kc-final h2{margin:18px 0;font-family:var(--font-serif);font-size:clamp(42px,6vw,74px);font-weight:500;line-height:1.35}.kc-final p{color:#c3cedc;font-size:18px}
footer{padding:35px 0 105px;background:#030a14;color:#98a6b9}.footer-links a{color:#bbc5d2}.copyright{color:#7e8ca0}.sticky-cta{background:rgba(7,19,38,.94);border-color:rgba(217,189,119,.25)}
@media(max-width:1050px){.kc-hero-grid,.kc-thesis-grid,.kc-book-grid,.kc-instructor-grid,.kc-pricing-shell{grid-template-columns:1fr}.kc-hero-copy{text-align:center}.kc-hero .btn-row,.kc-hero-badges{justify-content:center}.kc-hero-art{min-height:610px;max-width:700px;width:100%;margin:auto}.kc-outcome-grid{grid-template-columns:repeat(3,1fr)}.kc-month-grid{grid-template-columns:1fr 1fr}.kc-method-grid,.kc-problem-grid{grid-template-columns:1fr 1fr}}
@media(max-width:720px){body{font-size:16px}.container{width:min(calc(100% - 28px),1180px)}.section{padding:78px 0}.kc-hero{min-height:auto;padding:120px 0 72px}.kc-hero h1{font-size:clamp(32px,9.5vw,43px)}.kc-hero-art{min-height:480px}.kc-hero-image{inset:0 3% 0 3%}.kc-hero-card{right:2%;bottom:20px;width:250px}.kc-metrics-grid{grid-template-columns:1fr 1fr}.kc-metric:nth-child(2){border-right:0}.kc-metric:nth-child(-n+2){border-bottom:1px solid rgba(177,136,62,.18)}.kc-problem-grid,.kc-method-grid,.kc-outcome-grid,.kc-month-grid,.kc-for-grid,.kc-role-grid,.kc-price-options{grid-template-columns:1fr}.kc-book-stack{min-height:500px}.kc-session{grid-template-columns:1fr;padding:26px}.kc-price-summary{padding:30px 24px}.kc-current-price{font-size:45px}.kc-instructor-seal{width:270px}.brand-en{display:none}.sticky-cta{padding:8px 10px;opacity:0;transform:translateY(calc(100% + 28px));pointer-events:none;transition:opacity .22s ease,transform .22s ease}.sticky-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}.sticky-cta .btn{width:100%;min-width:0}}

/* --- LP内：ゲストチャット埋め込みセクション --- */
.kc-chat-section {
	position: relative;
	overflow: hidden;
	background:
		radial-gradient(circle at 10% 10%, rgba(179, 148, 95, 0.12), transparent 26rem),
		radial-gradient(circle at 90% 90%, rgba(91, 121, 116, 0.1), transparent 28rem),
		var(--kc-paper, #fbf8f0);
}

.kc-chat-section::before {
	content: "";
	position: absolute;
	inset: 0;
	pointer-events: none;
	opacity: 0.22;
	background-image:
		linear-gradient(rgba(21, 50, 72, 0.04) 1px, transparent 1px),
		linear-gradient(90deg, rgba(21, 50, 72, 0.04) 1px, transparent 1px);
	background-size: 52px 52px;
	mask-image: linear-gradient(to bottom, #000, transparent 92%);
}

.kc-chat-grid {
	position: relative;
	display: grid;
	grid-template-columns: minmax(0, 0.76fr) minmax(520px, 1.24fr);
	gap: 48px;
	align-items: start;
}

.kc-chat-copy {
	position: sticky;
	top: 112px;
}

.kc-chat-copy h2 {
	margin: 18px 0 16px;
	color: var(--kc-navy, #153248);
	font-family: var(--font-serif);
	font-size: clamp(36px, 4.7vw, 58px);
	font-weight: 500;
	line-height: 1.35;
}

.kc-chat-copy > p {
	margin: 0;
	color: #69645f;
	font-size: 16px;
	line-height: 2;
}

.kc-chat-points {
	display: grid;
	gap: 10px;
	margin-top: 26px;
}

.kc-chat-points li {
	position: relative;
	padding: 13px 15px 13px 43px;
	border: 1px solid rgba(21, 50, 72, 0.11);
	border-radius: 14px;
	background: rgba(255, 255, 255, 0.72);
	color: #5e5a55;
	font-size: 13px;
	list-style: none;
}

.kc-chat-points li::before {
	content: "✦";
	position: absolute;
	left: 16px;
	top: 12px;
	color: var(--kc-gold, #b3945f);
}

.kc-chat-note {
	margin-top: 18px;
	padding: 14px 16px;
	border-left: 3px solid var(--kc-gold, #b3945f);
	background: rgba(179, 148, 95, 0.08);
	color: #756f69;
	font-size: 11px;
	line-height: 1.8;
}

.kc-chat-frame-wrap {
	position: relative;
	padding: 10px;
	border: 1px solid rgba(179, 148, 95, 0.36);
	border-radius: 28px;
	background: linear-gradient(145deg, rgba(21, 50, 72, 0.96), rgba(5, 13, 24, 0.98));
	box-shadow: 0 30px 80px rgba(18, 25, 40, 0.2);
}

.kc-chat-frame-wrap::before {
	content: "";
	position: absolute;
	left: 12%;
	right: 12%;
	top: 0;
	height: 1px;
	background: linear-gradient(90deg, transparent, #d6b46a, transparent);
}

.kc-chat-iframe {
	display: block;
	width: 100%;
	height: 820px;
	border: 0;
	border-radius: 20px;
	background: #071224;
}

.kc-chat-noscript {
	margin: 0;
	padding: 18px;
	color: #fff;
	font-size: 13px;
	text-align: center;
}

@media (max-width: 1080px) {
	.kc-chat-grid {
		grid-template-columns: 1fr;
	}

	.kc-chat-copy {
		position: relative;
		top: auto;
		max-width: 820px;
	}
}

@media (max-width: 768px) {
	.kc-chat-frame-wrap {
		margin-inline: -4px;
		padding: 6px;
		border-radius: 22px;
	}

	.kc-chat-iframe {
		height: 800px;
		border-radius: 17px;
	}
}

@media (max-width: 480px) {
	.kc-chat-copy h2 {
		font-size: 34px;
	}

	.kc-chat-iframe {
		height: 780px;
	}
}



/* --- V4：2026年10月開講スケジュール --- */
.kc-schedule-overview{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:0 0 20px}.kc-schedule-overview>div{padding:22px;border:1px solid rgba(24,37,58,.11);border-radius:18px;background:#fff;box-shadow:0 10px 28px rgba(10,25,44,.05)}.kc-schedule-overview small{display:block;color:var(--kc-gold);font-size:9px;font-weight:900;letter-spacing:.12em}.kc-schedule-overview strong{display:block;margin:8px 0 5px;color:var(--kc-deep);font-family:var(--font-serif);font-size:18px}.kc-schedule-overview span{display:block;color:var(--kc-muted);font-size:11px;line-height:1.65}.kc-schedule-details{margin:0 0 28px;border:1px solid rgba(24,37,58,.11);border-radius:18px;background:#fff;overflow:hidden}.kc-schedule-details summary{padding:18px 22px;color:var(--kc-deep);font-weight:800;cursor:pointer}.kc-schedule-table-wrap{overflow-x:auto;padding:0 18px 18px}.kc-schedule-table{width:100%;min-width:760px;border-collapse:collapse}.kc-schedule-table th,.kc-schedule-table td{padding:12px 14px;border-bottom:1px solid rgba(24,37,58,.09);text-align:left;font-size:12px}.kc-schedule-table th{color:#fff;background:var(--kc-deep)}.kc-schedule-table tr:last-child td{border-bottom:0}

/* --- V4：一律88,000円の受講料表示 --- */
.kc-pricing-single{grid-template-columns:.88fr 1.12fr}.kc-single-price-card{padding:38px;border:1px solid rgba(24,37,58,.12);border-radius:28px;background:#fff;box-shadow:0 18px 56px rgba(7,19,38,.08)}.kc-single-price-card>small{color:var(--kc-gold);font-size:10px;font-weight:900;letter-spacing:.14em}.kc-single-price-card h3{margin:14px 0 18px;color:var(--kc-deep);font-family:var(--font-serif);font-size:28px}.kc-single-price-card ul{display:grid;gap:11px;margin:0;padding:0;list-style:none}.kc-single-price-card li{position:relative;padding-left:24px;color:#4f5966;font-size:13px}.kc-single-price-card li::before{content:"✓";position:absolute;left:0;color:var(--kc-gold);font-weight:900}.kc-single-price-card .kc-note{margin-top:20px}

@media(max-width:1050px){.kc-schedule-overview{grid-template-columns:1fr 1fr}.kc-pricing-single{grid-template-columns:1fr}}
@media(max-width:720px){.kc-schedule-overview{grid-template-columns:1fr}.kc-single-price-card{padding:28px 22px}.kc-schedule-table th,.kc-schedule-table td{padding:10px 12px;font-size:11px}}


/* --- 公式研究書PDF：受講者込み・単体8,800円 --- */
.kc-textbook-offer{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0 14px}
.kc-textbook-offer>div{padding:20px;border:1px solid rgba(177,136,62,.23);border-radius:17px;background:linear-gradient(145deg,#fffdf8,#f6efe4);box-shadow:0 10px 30px rgba(24,37,58,.06)}
.kc-textbook-offer small{display:block;margin-bottom:8px;color:var(--kc-gold);font-size:10px;font-weight:900;letter-spacing:.12em}
.kc-textbook-offer strong{display:block;color:var(--kc-navy);font-family:var(--font-serif);font-size:21px;font-weight:600}
.kc-textbook-offer span{display:block;margin-top:7px;color:var(--kc-muted);font-size:12px;line-height:1.75}
@media(max-width:720px){.kc-textbook-offer{grid-template-columns:1fr}}

/* --- V6：公式研究書PDF単体販売のCTA --- */
.kc-textbook-offer .kc-report-button{width:100%;margin-top:16px}
.kc-report-link{display:inline-flex;margin-top:18px;color:var(--kc-deep);font-weight:800;border-bottom:1px solid rgba(19,44,67,.32)}
.kc-report-sale{border-color:rgba(177,136,62,.36)!important;background:linear-gradient(145deg,#fffdf8,#f2e8d7)!important}


/* --- 共通申込フォーム案内：講座とPDF単体の選択方法を明示 --- */
.kc-shared-form-note{margin:18px 0;padding:22px;border:1px solid rgba(177,136,62,.34);border-radius:18px;background:linear-gradient(145deg,#fff8e8,#edf4f3);box-shadow:0 14px 38px rgba(24,37,58,.07)}
.kc-shared-form-note strong{display:block;color:var(--kc-navy);font-family:var(--font-serif);font-size:21px}
.kc-shared-form-note span{display:block;margin:8px 0 16px;color:var(--kc-muted);font-size:13px;line-height:1.8}
.kc-shared-form-note .btn{width:100%}

/* V10：運営・関連する学び・お問い合わせカード */
.kc-role-card a {
	color: var(--kc-gold, #d6b96f);
	font-weight: 700;
	text-decoration-thickness: 1px;
	text-underline-offset: 0.2em;
	overflow-wrap: anywhere;
}
.kc-role-card a:hover,
.kc-role-card a:focus-visible {
	color: #fff3c7;
}

/* V10：國學講を通常募集の中級講座と誤認させない補足表示 */
.kc-role-card .kc-role-context {
	margin: -2px 0 12px;
	color: var(--kc-deep, #17324f);
	font-size: 12px;
	font-weight: 800;
	letter-spacing: .04em;
}
.kc-role-card p + p {
	margin-top: 12px;
}


/* ==========================================================
   K80 × TENMON-ARK V12.1 | moved from index.php to assets/css/home.css
   ========================================================== */
/* ==========================================================
   K80 × TENMON-ARK V12 | 2026-09-22
   Existing base design preserved; additions are scoped to .k80ark-v12
   ========================================================== */
.k80ark-v12{--ka-bg:#071224;--ka-panel:#0d1a2c;--ka-panel2:#101f35;--ka-gold:#d6b46a;--ka-gold2:#f0d696;--ka-text:#edf3fb;--ka-muted:#b9c5d8;--ka-line:rgba(214,180,106,.22);background:var(--ka-bg);color:var(--ka-text)}
.k80ark-v12 *{box-sizing:border-box}
.k80ark-v12 .ka-wrap{width:min(1120px,calc(100% - 40px));margin:auto}
.k80ark-v12 .ka-head{text-align:center;max-width:850px;margin:0 auto 34px}
.k80ark-v12 .ka-eyebrow{display:inline-block;color:var(--ka-gold2);font-size:12px;letter-spacing:.18em;margin-bottom:10px}
.k80ark-v12 h2{font-size:clamp(28px,4.2vw,48px);line-height:1.3;margin:0 0 16px}
.k80ark-v12 h2 .gold,.k80ark-v12 .gold{color:var(--ka-gold2)}
.k80ark-v12 .ka-lead{font-size:clamp(15px,2vw,18px);line-height:1.95;color:var(--ka-muted);margin:0}
.k80ark-v12 .ka-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--ka-line);border-radius:999px;color:var(--ka-gold2);font-size:12px}
.k80ark-v12 .ka-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.k80ark-v12 .ka-card{position:relative;background:linear-gradient(180deg,rgba(16,31,53,.96),rgba(8,18,33,.96));border:1px solid rgba(214,180,106,.18);border-radius:18px;padding:26px 22px;box-shadow:0 18px 44px rgba(0,0,0,.22)}
.k80ark-v12 .ka-card.recommended{border-color:rgba(240,214,150,.72);box-shadow:0 20px 60px rgba(214,180,106,.12)}
.k80ark-v12 .ka-card.recommended:before{content:"おすすめ";position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#d6b46a,#f0d696);color:#0a1220;font-weight:800;border-radius:999px;padding:6px 16px;font-size:12px}
.k80ark-v12 .ka-card h3{font-size:21px;line-height:1.45;margin:8px 0 8px}
.k80ark-v12 .ka-card .ka-sub{color:var(--ka-muted);font-size:13px;line-height:1.7;min-height:44px}
.k80ark-v12 .ka-price{margin:18px 0 8px;font-size:38px;font-weight:800;letter-spacing:-.02em;color:#fff}
.k80ark-v12 .ka-price small{font-size:14px;font-weight:500;margin-left:4px;color:var(--ka-muted)}
.k80ark-v12 .ka-value{font-size:12px;color:var(--ka-gold2);min-height:36px;line-height:1.55}
.k80ark-v12 .ka-list{list-style:none;padding:0;margin:20px 0}
.k80ark-v12 .ka-list li{position:relative;padding:9px 0 9px 25px;border-bottom:1px solid rgba(255,255,255,.06);font-size:14px;line-height:1.65}
.k80ark-v12 .ka-list li:before{content:"✓";position:absolute;left:0;color:var(--ka-gold2);font-weight:800}
.k80ark-v12 .ka-btn{display:flex;align-items:center;justify-content:center;min-height:52px;text-align:center;border-radius:10px;padding:12px 16px;text-decoration:none;font-weight:800;line-height:1.45}
.k80ark-v12 .ka-btn.primary{background:linear-gradient(135deg,#d6b46a,#f0d696);color:#09111f}
.k80ark-v12 .ka-btn.secondary{border:1px solid var(--ka-line);color:#f4e7c8;background:rgba(255,255,255,.025)}
.k80ark-v12 .ka-btn.disabled{background:#263247;color:#98a4b7;border:1px solid rgba(255,255,255,.08);cursor:not-allowed}
.k80ark-v12 .ka-note{margin-top:18px;padding:16px 18px;border-radius:12px;background:rgba(214,180,106,.07);border:1px solid var(--ka-line);font-size:13px;line-height:1.85;color:#c9d3e2}
.k80ark-v12 .ka-upgrade{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
.k80ark-v12 .ka-upgrade>div{padding:18px;border-radius:14px;border:1px solid rgba(255,255,255,.09);background:rgba(255,255,255,.025)}
.k80ark-v12 .ka-upgrade strong{font-size:22px;color:var(--ka-gold2)}
.k80ark-v12 .ka-application{margin-top:24px;}
.k80ark-v12 .ka-application .ka-btn{margin:0px auto;max-width:768px;}
.k80ark-v12 .ka-use-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:28px}
.k80ark-v12 .ka-use{padding:18px;border:1px solid rgba(255,255,255,.08);border-radius:14px;background:rgba(255,255,255,.02)}
.k80ark-v12 .ka-use b{display:block;color:var(--ka-gold2);margin-bottom:8px}
.k80ark-v12 .ka-use p{margin:0;color:var(--ka-muted);font-size:13px;line-height:1.75}
.k80ark-v12 .ka-flow{margin-top:28px;padding:22px;border-radius:16px;border:1px solid var(--ka-line);background:rgba(214,180,106,.055)}
.k80ark-v12 .ka-flow-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;align-items:stretch}
.k80ark-v12 .ka-step{padding:14px 10px;text-align:center;border-radius:10px;background:#0d1a2c;border:1px solid rgba(255,255,255,.07);font-size:12px;line-height:1.55}
.k80ark-v12 .ka-step strong{display:block;color:var(--ka-gold2);font-size:14px;margin-bottom:4px}
.k80ark-v12 .ka-concierge{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:24px;align-items:stretch}
.k80ark-v12 .ka-concierge-copy,.k80ark-v12 .ka-concierge-box{border-radius:18px;border:1px solid rgba(214,180,106,.2);background:linear-gradient(180deg,rgba(16,31,53,.95),rgba(8,18,33,.95));padding:26px}
.k80ark-v12 .ka-quick{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}
.k80ark-v12 .ka-quick button{min-height:48px;border-radius:10px;border:1px solid rgba(214,180,106,.24);background:rgba(214,180,106,.06);color:#f0d696;padding:10px 12px;font-weight:700;cursor:pointer}
.k80ark-v12 .ka-answer{min-height:165px;padding:16px;border-radius:12px;background:#07111f;border:1px solid rgba(255,255,255,.07);font-size:14px;line-height:1.85;color:#dce6f4}
.k80ark-v12 .ka-answer strong{color:#f0d696}
.k80ark-v12 .ka-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.k80ark-v12 .ka-security{margin-top:12px;color:#9eabc0;font-size:11px;line-height:1.7}
.k80ark-v12 .ka-faq{margin-top:28px}
.k80ark-v12 .ka-faq details{border:2px solid rgba(255,255,255,.08);padding:14px 0;background:#07111f;}
.k80ark-v12 .ka-faq summary{cursor:pointer;font-weight:700}
.k80ark-v12 .ka-faq p{color:var(--ka-muted);line-height:1.85}
.k80ark-v12 .ka-mobile-sticky{display:none}
@media(max-width:900px){
 .k80ark-v12 .ka-grid{grid-template-columns:1fr}
 .k80ark-v12 .ka-card .ka-sub{min-height:0}
 .k80ark-v12 .ka-use-grid{grid-template-columns:1fr 1fr}
 .k80ark-v12 .ka-flow-grid{grid-template-columns:1fr}
 .k80ark-v12 .ka-concierge{grid-template-columns:1fr}
}
@media(max-width:600px){
 .k80ark-v12 .ka-wrap{width:min(100% - 28px,1120px)}
 .k80ark-v12 .ka-head{text-align:left}
 .k80ark-v12 h2{font-size:clamp(27px,8.5vw,38px)}
 .k80ark-v12 .ka-grid{gap:14px}
 .k80ark-v12 .ka-card{padding:24px 17px}
 .k80ark-v12 .ka-price{font-size:34px}
 .k80ark-v12 .ka-upgrade{grid-template-columns:1fr}
 .k80ark-v12 .ka-use-grid{grid-template-columns:1fr}
 .k80ark-v12 .ka-concierge-copy,.k80ark-v12 .ka-concierge-box{padding:21px 16px}
 .k80ark-v12 .ka-quick{grid-template-columns:1fr}
 .k80ark-v12 .ka-actions{grid-template-columns:1fr}
 .k80ark-v12 .ka-btn{width:100%}
}
/* OTSURU REVIEW FIX V12.1: explicit contrast on the dark ARK sections */
.k80ark-v12 .ka-head h2,.k80ark-v12 .ka-card h3,.k80ark-v12 .ka-concierge h3{color:#f7f9fc}
.k80ark-v12 .ka-upgrade p,.k80ark-v12 .ka-faq p{color:var(--ka-muted)}
.k80ark-v12 .ka-faq summary{color:#f3f6fb}




/* ==========================================================
   V12.2 OTSURU CLEAN | page-specific layout and contrast
   All K80 page rules live here; index.php contains no layout CSS.
   ========================================================== */

/* Reusable spacing / typography utilities replacing inline style attributes. */
.kc-mt-18{margin-top:18px}
.kc-mt-24{margin-top:24px}
.kc-final-note{margin-top:22px;color:#9dadc0}
.footer-links-spaced{margin-top:20px}
.k80ark-v12 .ka-head-spaced{margin-top:70px}
.k80ark-v12 .ka-title-lg{font-size:24px;line-height:1.55;margin:18px 0 8px}
.k80ark-v12 .ka-title-md{font-size:22px;line-height:1.55;margin:18px 0 12px}
.k80ark-v12 .ka-copy-muted{color:#c5d0df;line-height:1.8}
.k80ark-v12 .ka-copy-flush{margin:0}

/* Dark ARK area: explicit dark-surface contrast. Variables never leak to light sections. */
.k80ark-v12{--ka-text:#f4f7fb;--ka-muted:#c5d0df}
.k80ark-v12 :where(h2,h3,p,li,summary){text-shadow:none}
.k80ark-v12 .ka-head h2,.k80ark-v12 .ka-card h3,.k80ark-v12 .ka-concierge h3{color:var(--ka-text)}
.k80ark-v12 .ka-lead,.k80ark-v12 .ka-card .ka-sub,.k80ark-v12 .ka-use p,.k80ark-v12 .ka-faq p{color:var(--ka-muted)}

/* Prevent intrinsic-width children from forcing horizontal scroll. */
@media (max-width:1050px){
  .kc-hero-grid,.kc-hero-copy,.kc-hero-art{min-width:0}
  .kc-hero h1 .kc-h1-line{white-space:normal;word-break:normal;overflow-wrap:normal}
  .kc-kicker{max-width:100%;white-space:normal;flex-wrap:wrap}
}

@media (max-width:720px){
  .kc-hero{padding-top:118px;padding-bottom:68px}
  .kc-hero>.container.kc-hero-grid{width:100%;max-width:none;margin-inline:0;padding-inline:20px}
  .kc-hero-copy{width:100%;max-width:100%}
  .kc-kicker{display:flex;width:100%;justify-content:center;text-align:center;line-height:1.7;padding:8px 12px}
  .kc-hero h1{max-width:100%;font-size:clamp(31px,9.3vw,43px);line-height:1.3}
  .kc-hero h1 .kc-h1-line{max-width:100%;white-space:normal}
  .kc-hero-lead{width:100%;max-width:100%;margin-inline:auto;font-size:clamp(15px,4.4vw,18px);line-height:1.95}
  .kc-hero .btn-row{display:grid;grid-template-columns:1fr;width:100%;gap:12px}
  .kc-hero .btn-row .btn{width:100%;max-width:100%;min-width:0;margin:0;white-space:normal;text-align:center}
  .kc-hero-badges{width:100%;max-width:100%;justify-content:center}
  .kc-hero-badges span{min-width:0;max-width:100%;white-space:normal;text-align:center}
  .kc-hero-art{width:100%;max-width:100%;min-height:480px}
  .kc-hero-image{inset:0}
  .kc-hero-card{right:12px;left:auto;width:min(250px,calc(100% - 24px));max-width:calc(100% - 24px)}

  .kc-metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));width:100%}
  .kc-metric{min-width:0;width:auto;padding:22px 9px}
  .kc-metric strong{display:block;max-width:100%;font-size:clamp(18px,5.4vw,23px);line-height:1.3;white-space:nowrap;letter-spacing:0}
  .kc-metric span{font-size:10px;line-height:1.55}

  .kc-chat-frame-wrap{min-width:0;overflow:visible}
  .kc-chat-iframe{width:100%;min-width:0;height:820px}
  .k80ark-v12 .ka-wrap{width:calc(100% - 28px)}
}

@media (max-width:360px){
  .kc-hero>.container.kc-hero-grid{padding-inline:16px}
  .kc-hero h1{font-size:clamp(29px,9vw,34px)}
  .kc-metric{padding-inline:7px}
  .kc-metric strong{font-size:clamp(17px,5.25vw,20px)}
  .kc-chat-iframe{height:840px}
  .k80ark-v12 .ka-wrap{width:calc(100% - 24px)}
}

@media (max-width:320px){
  .kc-hero>.container.kc-hero-grid{padding-inline:12px}
  .kc-metric strong{font-size:17px}
  .kc-metric span{font-size:9px}
  .k80ark-v12 .ka-wrap{width:calc(100% - 20px)}
  .k80ark-v12 .ka-card,.k80ark-v12 .ka-concierge-copy,.k80ark-v12 .ka-concierge-box{padding-left:14px;padding-right:14px}
}