:root {
	--bg: #ffffff;
	--ink: #0E1726;
	--ink-soft: #3a4759;
	--line: #e3e8ef;
	--surface: #f5f7fa;
	--accent: #1FB6A6;
	--accent-ink: #0c8a7e;
	--warn: #c0556a;
	--maxw: 1080px;
	--pad: 96px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
	margin: 0;
	font-family: "Noto Sans JP", system-ui, sans-serif;
	color: var(--ink);
	background: var(--bg);
	line-height: 1.9;
	-webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.wrap {
	width: 100%;
	max-width: var(--maxw);
	margin: 0 auto;
	padding: 0 24px;
}

section { padding: var(--pad) 0; }

.section-label {
	display: inline-block;
	font-size: 13px;
	font-weight: 700;
	letter-spacing: .12em;
	color: var(--accent-ink);
	text-transform: uppercase;
}

.section-title {
	margin: 8px 0 0;
	font-size: clamp(24px, 4vw, 34px);
	font-weight: 900;
	line-height: 1.4;
}

.section-lead {
	margin: 20px 0 0;
	color: var(--ink-soft);
	font-size: 16px;
}

.site-footer {
	background: var(--ink);
	color: #fff;
	text-align: center;
	padding: 48px 24px;
}
.site-footer .footer-logo { font-weight: 900; letter-spacing: .04em; margin: 0 0 8px; }
.site-footer .footer-logo a { color: #fff; text-decoration: none; }
.site-footer .footer-logo a:hover { color: var(--accent); }
.site-footer small { color: #9aa7b8; }
.site-footer a { color: #9aa7b8; text-decoration: none; }

/* スクロール連動フェードイン */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	.reveal { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 768px) {
	:root { --pad: 64px; }
}

/* ===== Hero ===== */
.hero {
	position: relative;
	background: var(--ink);
	color: #fff;
	overflow: hidden;
	padding: clamp(80px, 12vw, 140px) 0 clamp(64px, 8vw, 100px);
}
.hero-bg { position: absolute; inset: 0; opacity: .9; }
.hero-bg svg { width: 100%; height: 100%; }
.hero-bg::after {
	content: ""; position: absolute; inset: 0;
	background: radial-gradient(120% 80% at 70% 0%, rgba(31,182,166,.18), transparent 60%);
}
.hero-inner { position: relative; z-index: 1; }
.hero-label {
	display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .1em;
	color: var(--accent); border: 1px solid rgba(31,182,166,.5);
	border-radius: 999px; padding: 6px 14px;
}
.hero-title {
	margin: 20px 0 0; font-size: clamp(40px, 8vw, 72px); font-weight: 900; letter-spacing: .01em;
}
.hero-lead { margin: 20px 0 0; font-size: clamp(15px, 2vw, 18px); color: #d7dee8; }
.hero-lead strong { color: var(--accent); font-weight: 700; }

.hero-badges { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; margin: 28px 0 0; padding: 0; }
.badge {
	font-size: 13px; font-weight: 500; padding: 7px 14px; border-radius: 999px;
	border: 1px solid rgba(255,255,255,.22); color: #cdd6e2; background: rgba(255,255,255,.04);
}
.badge--accent { color: var(--ink); background: var(--accent); border-color: var(--accent); font-weight: 700; }

.hero-stance { margin: 28px 0 0; font-size: 14px; color: #9fb0c2; max-width: 760px; }

.hero-keywords { list-style: none; display: flex; flex-wrap: wrap; gap: 12px 28px; margin: 28px 0 0; padding: 0; }
.hero-keywords li { display: flex; align-items: center; gap: 9px; font-weight: 700; color: #eaf1f7; }
.hero-keywords svg { width: 24px; height: 24px; color: var(--accent); flex: none; }

.btn {
	display: inline-block; margin-top: 36px; font-weight: 700; text-decoration: none;
	padding: 16px 34px; border-radius: 999px; transition: transform .15s ease, box-shadow .15s ease;
}
.btn--accent { background: var(--accent); color: #06241f; box-shadow: 0 8px 24px rgba(31,182,166,.3); }
.btn--accent:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(31,182,166,.4); }

@media (max-width: 768px) {
	.hero-lead br { display: none; }
}

/* ===== Issue ===== */
.issue-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 40px; }
.issue-col { border: 1px solid var(--line); border-radius: 16px; padding: 28px; background: var(--bg); }
.issue-col--problem { background: var(--surface); }
.issue-col-title { margin: 0 0 16px; font-size: 17px; font-weight: 700; }
.issue-list { list-style: none; margin: 0; padding: 0; }
.issue-list li { display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; font-size: 15px; line-height: 1.7; }
.issue-list li + li { border-top: 1px solid var(--line); }
.num {
	flex: none; width: 24px; height: 24px; border-radius: 999px; display: grid; place-items: center;
	font-size: 13px; font-weight: 700; color: #fff; margin-top: 2px;
}
.num--warn { background: var(--warn); }
.check { flex: none; width: 24px; height: 24px; border-radius: 999px; display: grid; place-items: center; font-size: 13px; font-weight: 700; color: var(--accent-ink); background: rgba(31,182,166,.14); margin-top: 2px; }

.issue-emphasis {
	margin-top: 32px; background: var(--ink); color: #fff; border-left: 4px solid var(--accent);
	border-radius: 12px; padding: 24px 28px; font-size: 16px; line-height: 1.8;
}
.issue-emphasis strong { color: var(--accent); }

@media (max-width: 768px) {
	.issue-cols { grid-template-columns: 1fr; }
}

/* ===== Solution ===== */
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.sol-card { border: 1px solid var(--line); border-radius: 16px; padding: 26px 24px; background: var(--bg); transition: transform .2s ease, box-shadow .2s ease; }
.sol-card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(14,23,38,.08); }
.sol-card-head { display: flex; align-items: center; justify-content: space-between; }
.sol-num { font-size: 34px; font-weight: 900; color: var(--ink); letter-spacing: .02em; line-height: 1; }
.sol-card-head svg { width: 30px; height: 30px; color: var(--accent); }
.sol-name { margin: 16px 0 8px; font-size: 18px; font-weight: 700; }
.sol-desc { margin: 0; font-size: 14px; color: var(--ink-soft); line-height: 1.8; }

.sol-banner {
	margin-top: 36px; background: var(--accent); color: #06241f; border-radius: 12px;
	padding: 18px 26px; font-size: 15px; font-weight: 500; text-align: center;
}
.sol-banner strong { font-weight: 900; }

@media (max-width: 980px) {
	.sol-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
	.sol-grid { grid-template-columns: 1fr; }
}

/* ===== Product ===== */
.product-shot { margin: 40px 0 0; }
.product-frame {
	border: 1px solid var(--line);
	border-radius: 14px;
	overflow: hidden;
	background: var(--surface);
	box-shadow: 0 24px 60px rgba(14,23,38,.12);
}
.product-dots { display: flex; align-items: center; gap: 7px; padding: 12px 16px; background: var(--ink); }
.product-dots i { display: block; width: 11px; height: 11px; border-radius: 999px; background: #3a4759; }
.product-dots i:nth-child(1) { background: #e0666f; }
.product-dots i:nth-child(2) { background: #e6b34d; }
.product-dots i:nth-child(3) { background: #4FB477; }
.product-frame img { display: block; width: 100%; height: auto; }

/* ===== Plan ===== */
.plan-top { display: grid; grid-template-columns: 1fr 1.2fr; gap: 24px; margin-top: 40px; align-items: stretch; }
.price-card {
	border: 1px solid var(--line); border-radius: 16px; padding: 32px 28px; background: var(--surface);
	display: flex; flex-direction: column; gap: 4px;
}
.price-cap { font-size: 14px; color: var(--ink-soft); font-weight: 500; }
.price-num { font-size: clamp(48px, 9vw, 72px); font-weight: 900; color: var(--ink); line-height: 1.05; }
.price-unit { font-size: 22px; font-weight: 700; margin-left: 6px; }
.price-note { margin: 14px 0 0; font-size: 13px; color: var(--ink-soft); line-height: 1.8; }

.plan-check { border: 1px solid var(--line); border-radius: 16px; padding: 32px 28px; background: var(--bg); }
.plan-check-title { margin: 0 0 14px; font-size: 17px; font-weight: 700; }
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; padding: 11px 0; font-size: 15px; }
.check-list li + li { border-top: 1px solid var(--line); }

.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 48px 0 0; padding: 0; }
.step { position: relative; border: 1px solid var(--line); border-radius: 16px; padding: 26px 22px; background: var(--bg); }
.step:not(:last-child)::after {
	content: "→"; position: absolute; right: -13px; top: 50%; transform: translateY(-50%);
	color: var(--accent); font-weight: 700; z-index: 1;
}
.step-num {
	display: grid; place-items: center; width: 40px; height: 40px; border-radius: 999px;
	background: var(--ink); color: #fff; font-weight: 900; font-size: 17px;
}
.step-name { margin: 16px 0 8px; font-size: 17px; font-weight: 700; }
.step-desc { margin: 0; font-size: 13px; color: var(--ink-soft); line-height: 1.75; }

.steps-loop {
	margin: 20px 0 0; font-size: 13px; color: var(--accent-ink); font-weight: 500;
	display: flex; align-items: center; gap: 8px;
}
.steps-loop::before { content: "↻"; font-size: 18px; }

@media (max-width: 880px) {
	.plan-top { grid-template-columns: 1fr; }
	.steps { grid-template-columns: 1fr; }
	.step:not(:last-child)::after { content: "↓"; right: 50%; top: auto; bottom: -15px; transform: translateX(50%); }
}

/* ===== CTA ===== */
.cta { position: relative; background: var(--ink); color: #fff; overflow: hidden; text-align: center; }
.cta-bg { position: absolute; inset: 0; opacity: .85; }
.cta-bg svg { width: 100%; height: 100%; }
.cta-bg::after { content: ""; position: absolute; inset: 0; background: radial-gradient(120% 100% at 50% 0%, rgba(31,182,166,.18), transparent 60%); }
.cta-inner { position: relative; z-index: 1; }
.cta-title { margin: 0; font-size: clamp(22px, 4vw, 32px); font-weight: 900; }
.cta-body { margin: 18px 0 0; color: #d7dee8; font-size: 16px; }
.cta-note { margin: 20px 0 0; font-size: 13px; color: var(--accent); font-weight: 500; }

/* ===== Sticky CTA ===== */
.sticky-cta {
	position: fixed; left: 0; right: 0; bottom: 0; z-index: 50; text-align: center;
	padding: 14px 16px; background: rgba(14,23,38,.92); backdrop-filter: blur(6px);
	transform: translateY(120%); transition: transform .3s ease; pointer-events: none;
}
.sticky-cta.is-shown { transform: translateY(0); pointer-events: auto; }
.sticky-cta .btn { margin: 0; padding: 13px 28px; }

@media (max-width: 768px) {
	.cta-body br { display: none; }
	.sticky-cta .btn { width: 100%; max-width: 420px; }
}