/* ============================================================
   landing.css — Kitappi LP
   ブランドトークンはアプリ側 public_html/css/kitappi.css の
   :root 定義（デザイン案/styles.css の --wf-* 由来）に合わせている。
   フォントはローカルシステムフォントスタックのみ（外部CDN不使用）。
   ============================================================ */

:root {
	--ink: #1d2a1f;
	--ink-soft: #5b6b5e;
	--muted: #8aa090;
	--line-soft: #b8d6b9;
	--fill-0: #ffffff;
	--fill-1: #f1faf0;
	--fill-2: #e5f7e4;
	--fill-3: #c6ebc4;
	--key: #5bb932;
	--key-soft: #00bf99;
	--key-cool: #0981cd;
	--key-tint: #e5f7e4;
	--key-grad: linear-gradient(135deg, #5bb932 0%, #00bf99 60%, #10ceda 100%);
	--danger: #d04a3a;
	--sans: -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', system-ui, sans-serif;
	--shadow-card: 0 4px 20px rgba(29, 42, 31, 0.08);
	--shadow-card-lg: 0 12px 40px rgba(29, 42, 31, 0.14);
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	padding: 0;
	font-family: var(--sans);
	color: var(--ink);
	background: var(--fill-0);
	line-height: 1.7;
	-webkit-font-smoothing: antialiased;
}

img,
svg {
	max-width: 100%;
	display: block;
}

a {
	color: inherit;
}

.container {
	width: min(1080px, 100% - 48px);
	margin: 0 auto;
}

section {
	padding: 88px 0;
}

.section-eyebrow {
	display: inline-block;
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.08em;
	color: var(--key-soft);
	background: var(--key-tint);
	padding: 6px 14px;
	border-radius: 999px;
	margin: 0 0 16px;
}

.section-title {
	font-size: clamp(24px, 3.2vw, 34px);
	font-weight: 800;
	margin: 0 0 12px;
	letter-spacing: -0.01em;
}

.section-lead {
	font-size: 16px;
	color: var(--ink-soft);
	margin: 0 0 48px;
	max-width: 640px;
}

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	height: 52px;
	padding: 0 28px;
	border-radius: 999px;
	font-size: 16px;
	font-weight: 700;
	border: none;
	cursor: pointer;
	text-decoration: none;
	white-space: nowrap;
	transition:
		transform 0.15s ease,
		box-shadow 0.15s ease,
		opacity 0.15s ease;
}
.btn-primary {
	background: var(--key-grad);
	color: #fff;
	box-shadow: 0 10px 30px rgba(0, 191, 153, 0.35);
}
.btn-primary:hover {
	transform: translateY(-1px);
	box-shadow: 0 14px 36px rgba(0, 191, 153, 0.42);
}
.btn-ghost {
	background: var(--fill-0);
	color: var(--ink);
	border: 1.5px solid var(--line-soft);
}
.btn-ghost:hover {
	background: var(--fill-1);
}
.btn-block {
	width: 100%;
}
.btn:disabled {
	opacity: 0.6;
	cursor: not-allowed;
	transform: none;
}

/* ---------- ヘッダー ---------- */
.site-header {
	position: sticky;
	top: 0;
	z-index: 40;
	background: rgba(255, 255, 255, 0.9);
	backdrop-filter: blur(8px);
	border-bottom: 1px solid var(--fill-2);
}
.site-header .container {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 76px;
}
.brand {
	display: flex;
	align-items: center;
	gap: 8px;
	font-weight: 800;
	font-size: 20px;
	text-decoration: none;
	color: var(--ink);
}
.brand-icon {
	width: 26px;
	height: 40px;
}
.brand-icon .st0 {
	fill: var(--key);
}
.brand-logo {
	display: block;
	height: 34px;
	width: auto;
	max-width: calc(100vw - 180px);
}
.site-nav {
	display: flex;
	align-items: center;
	gap: 32px;
}
.site-nav a {
	font-size: 14px;
	font-weight: 600;
	color: var(--ink-soft);
	text-decoration: none;
}
.site-nav a:hover {
	color: var(--key-soft);
}
.header-cta {
	height: 44px;
	padding: 0 22px;
	font-size: 14px;
}
.nav-links {
	display: flex;
	gap: 32px;
}

@media (max-width: 720px) {
	.nav-links {
		display: none;
	}
}

/* ---------- ヒーロー ---------- */
.hero {
	padding: 72px 0 0;
	background: linear-gradient(160deg, var(--fill-1) 0%, var(--fill-2) 100%);
	overflow: hidden;
}
.hero .container {
	display: grid;
	grid-template-columns: 1.1fr 0.9fr;
	grid-template-areas: 'copy visual' 'stats stats';
	column-gap: 48px;
	row-gap: 24px;
	align-items: start;
}
.hero-copy {
	grid-area: copy;
	padding-bottom: 48px;
}
.hero-visual {
	grid-area: visual;
}
.hero-stats-image {
	grid-area: stats;
}
@media (max-width: 860px) {
	.hero .container {
		grid-template-columns: 1fr;
		grid-template-areas: 'copy' 'visual' 'stats';
	}
}
.hero-badge {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	background: #fff;
	border: 1.5px solid var(--line-soft);
	border-radius: 999px;
	padding: 6px 16px 6px 8px;
	font-size: 13px;
	font-weight: 700;
	color: var(--ink);
	margin-bottom: 24px;
	box-shadow: var(--shadow-card);
}
.hero-badge .dot {
	width: 22px;
	height: 22px;
	border-radius: 50%;
	background: var(--key-grad);
	color: #fff;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 13px;
}
.hero-title {
	font-size: clamp(30px, 4.4vw, 48px);
	font-weight: 800;
	line-height: 1.35;
	margin: 0 0 20px;
	letter-spacing: -0.01em;
}
.hero-title .accent {
	background: var(--key-grad);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}
.hero-desc {
	font-size: 17px;
	color: var(--ink-soft);
	margin: 0 0 32px;
	max-width: 480px;
}
.hero-actions {
	display: flex;
	align-items: center;
	gap: 16px;
	flex-wrap: wrap;
}
.hero-note {
	font-size: 13px;
	color: var(--muted);
}
.hero-stats-image {
	max-width: 420px;
	margin: 0 auto;
}
.hero-stats-image img {
	display: block;
	width: 100%;
	height: auto;
}

.hero-visual-image {
	width: 100%;
	height: auto;
	margin: 0 auto;
}

/* ---------- 課題提起 ---------- */
.pain-section {
	background: var(--fill-0);
}
.pain-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 20px;
}
@media (max-width: 900px) {
	.pain-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}
@media (max-width: 560px) {
	.pain-grid {
		grid-template-columns: 1fr;
	}
}
.pain-card {
	background: var(--fill-1);
	border-radius: 18px;
	overflow: hidden;
}
.pain-card-image img {
	width: 100%;
	height: auto;
	display: block;
}
.pain-card-body {
	padding: 20px 22px 28px;
}
.pain-card-title {
	font-size: 15px;
	font-weight: 700;
	margin: 0 0 6px;
}
.pain-card-desc {
	font-size: 13px;
	color: var(--ink-soft);
	margin: 0;
	line-height: 1.6;
}

/* ---------- 特長 ---------- */
.features-section {
	background: linear-gradient(180deg, var(--fill-0) 0%, var(--fill-1) 100%);
}
.features-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 24px;
}
@media (max-width: 720px) {
	.features-grid {
		grid-template-columns: 1fr;
	}
}
.feature-card {
	background: #fff;
	border-radius: 20px;
	box-shadow: var(--shadow-card);
	overflow: hidden;
	display: flex;
	flex-direction: column;
}
.feature-card-image {
	background: #fff;
}
.feature-card-image img {
	width: 100%;
	height: auto;
}
.feature-card-body {
	display: flex;
	gap: 20px;
	padding: 4px 32px 32px;
}
.feature-icon {
	flex-shrink: 0;
	width: 52px;
	height: 52px;
	border-radius: 16px;
	background: var(--key-grad);
	display: flex;
	align-items: center;
	justify-content: center;
	color: #fff;
}
.feature-icon svg {
	width: 26px;
	height: 26px;
}
.feature-title {
	font-size: 17px;
	font-weight: 700;
	margin: 0 0 8px;
}
.feature-desc {
	font-size: 14px;
	color: var(--ink-soft);
	margin: 0;
	line-height: 1.7;
}
.feature-tag {
	display: inline-block;
	font-size: 11px;
	font-weight: 700;
	color: var(--key-cool);
	background: #e7f1fb;
	border-radius: 999px;
	padding: 2px 10px;
	margin-left: 8px;
	vertical-align: middle;
}
@media (max-width: 720px) {
	.feature-card-body {
		gap: 16px;
		padding: 4px 22px 26px;
	}
}

/* ---------- 使い方の流れ ---------- */
.steps-section {
	background: var(--fill-0);
}
.steps-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
	counter-reset: step;
}
@media (max-width: 780px) {
	.steps-grid {
		grid-template-columns: 1fr;
	}
}
.step-card {
	position: relative;
	background: #fff;
	border-radius: 18px;
	box-shadow: var(--shadow-card);
	overflow: hidden;
}
.step-card-image img {
	width: 100%;
	height: auto;
}
.step-card-body {
	padding: 24px 24px 32px;
}
.step-number {
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background: var(--key-grad);
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 800;
	font-size: 16px;
	margin-bottom: 18px;
}
.step-title {
	font-size: 16px;
	font-weight: 700;
	margin: 0 0 8px;
}
.step-desc {
	font-size: 13px;
	color: var(--ink-soft);
	margin: 0;
	line-height: 1.7;
}

/* ---------- 料金 ---------- */
.pricing-section {
	background: linear-gradient(160deg, var(--fill-1) 0%, var(--fill-2) 100%);
}
.pricing-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 24px;
	align-items: stretch;
}
@media (max-width: 780px) {
	.pricing-grid {
		grid-template-columns: 1fr;
	}
}
.pricing-card {
	background: #fff;
	border-radius: 24px;
	padding: 36px 32px;
	box-shadow: var(--shadow-card);
	display: flex;
	flex-direction: column;
}
.pricing-card.is-option {
	background: var(--ink);
	color: #fff;
}
.pricing-card-label {
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.04em;
	color: var(--key-soft);
	margin-bottom: 8px;
}
.pricing-card.is-option .pricing-card-label {
	color: #9be8cf;
}
.pricing-card-name {
	font-size: 22px;
	font-weight: 800;
	margin: 0 0 20px;
}
.pricing-price-row {
	display: flex;
	align-items: baseline;
	gap: 6px;
	margin-bottom: 4px;
}
.pricing-price {
	font-size: 40px;
	font-weight: 800;
}
.pricing-price-unit {
	font-size: 14px;
	color: var(--ink-soft);
}
.pricing-card.is-option .pricing-price-unit {
	color: #c7d6cf;
}
.pricing-price-annual {
	font-size: 13px;
	color: var(--ink-soft);
	margin-bottom: 24px;
}
.pricing-card.is-option .pricing-price-annual {
	color: #c7d6cf;
}
.pricing-badge {
	display: inline-block;
	align-self: flex-start;
	background: var(--key-tint);
	color: var(--key-soft);
	font-size: 12px;
	font-weight: 700;
	border-radius: 999px;
	padding: 4px 14px;
	margin-bottom: 20px;
}
.pricing-card.is-option .pricing-badge {
	background: rgba(0, 191, 153, 0.18);
	color: #6be3c1;
}
.pricing-list {
	list-style: none;
	padding: 0;
	margin: 0 0 28px;
	flex: 1;
}
.pricing-list li {
	position: relative;
	padding-left: 26px;
	font-size: 14px;
	margin-bottom: 12px;
	color: var(--ink-soft);
}
.pricing-card.is-option .pricing-list li {
	color: #dbe7e0;
}
.pricing-list li::before {
	content: '';
	position: absolute;
	left: 0;
	top: 6px;
	width: 16px;
	height: 16px;
	border-radius: 50%;
	background: var(--key-tint);
}
.pricing-card.is-option .pricing-list li::before {
	background: rgba(0, 191, 153, 0.25);
}
.pricing-list li::after {
	content: '';
	position: absolute;
	left: 5px;
	top: 9px;
	width: 6px;
	height: 3px;
	border-left: 2px solid var(--key-soft);
	border-bottom: 2px solid var(--key-soft);
	transform: rotate(-45deg);
}
.pricing-note {
	font-size: 12px;
	color: var(--muted);
	margin-top: 40px;
	line-height: 1.7;
}

/* ---------- 申込みフォーム ---------- */
.apply-section {
	background: var(--fill-0);
}
.apply-wrap {
	display: grid;
	grid-template-columns: 0.9fr 1.1fr;
	gap: 48px;
	background: var(--fill-1);
	border-radius: 28px;
	padding: 48px;
}
@media (max-width: 860px) {
	.apply-wrap {
		grid-template-columns: 1fr;
		padding: 32px 24px;
	}
}
.apply-info-title {
	font-size: 24px;
	font-weight: 800;
	margin: 0 0 16px;
}
.apply-info-desc {
	font-size: 14px;
	color: var(--ink-soft);
	margin: 0 0 28px;
	line-height: 1.8;
}
.apply-info-list {
	list-style: none;
	padding: 0;
	margin: 0;
}
.apply-info-list li {
	display: flex;
	align-items: center;
	gap: 10px;
	font-size: 13px;
	font-weight: 600;
	color: var(--ink);
	margin-bottom: 14px;
}
.apply-info-list li svg {
	width: 20px;
	height: 20px;
	color: var(--key-soft);
	flex-shrink: 0;
}

.form-field {
	margin-bottom: 20px;
}
.form-field label {
	display: block;
	font-size: 13px;
	font-weight: 700;
	margin-bottom: 8px;
}
.form-field .required {
	color: var(--danger);
	margin-left: 4px;
	font-weight: 700;
}
.form-field input[type='text'],
.form-field input[type='email'],
.form-field input[type='tel'],
.form-field textarea {
	width: 100%;
	font: inherit;
	font-size: 15px;
	padding: 12px 14px;
	border-radius: 10px;
	border: 1.5px solid var(--line-soft);
	background: #fff;
	color: var(--ink);
}
.form-field input:focus,
.form-field textarea:focus {
	outline: none;
	border-color: var(--key-soft);
	box-shadow: 0 0 0 3px rgba(0, 191, 153, 0.15);
}
.form-field textarea {
	resize: vertical;
	min-height: 96px;
}
.form-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
}
@media (max-width: 540px) {
	.form-row {
		grid-template-columns: 1fr;
	}
}
.radio-group {
	display: flex;
	gap: 12px;
	flex-wrap: wrap;
}
.radio-option {
	flex: 1;
	min-width: 140px;
}
.radio-option input {
	position: absolute;
	opacity: 0;
	pointer-events: none;
}
.radio-option span {
	display: block;
	padding: 14px 16px;
	border-radius: 12px;
	border: 1.5px solid var(--line-soft);
	background: #fff;
	font-size: 13px;
	font-weight: 700;
	cursor: pointer;
	text-align: center;
}
.radio-option input:checked + span {
	border-color: var(--key-soft);
	background: var(--key-tint);
	color: var(--key-soft);
}
.checkbox-field {
	display: flex;
	align-items: flex-start;
	gap: 10px;
	background: #fff;
	border: 1.5px solid var(--line-soft);
	border-radius: 12px;
	padding: 14px 16px;
}
.checkbox-field input {
	margin-top: 3px;
}
.checkbox-field .checkbox-title {
	font-size: 13px;
	font-weight: 700;
	margin-bottom: 2px;
}
.checkbox-field .checkbox-desc {
	font-size: 12px;
	color: var(--ink-soft);
}
.form-hp {
	position: absolute;
	left: -9999px;
	width: 1px;
	height: 1px;
	overflow: hidden;
}
.form-consent {
	font-size: 12px;
	color: var(--ink-soft);
	margin: 4px 0 20px;
	line-height: 1.7;
}
.form-consent a {
	color: var(--key-cool);
	text-decoration: underline;
}
.form-error {
	color: var(--danger);
	font-size: 13px;
	margin: 0 0 16px;
	display: none;
}
.form-error.is-visible {
	display: block;
}
.form-success {
	display: none;
	text-align: center;
	padding: 40px 20px;
}
.form-success.is-visible {
	display: block;
}
.form-success-icon {
	width: 56px;
	height: 56px;
	margin: 0 auto 20px;
	border-radius: 50%;
	background: var(--key-grad);
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
}
.form-success-title {
	font-size: 19px;
	font-weight: 800;
	margin: 0 0 10px;
}
.form-success-desc {
	font-size: 14px;
	color: var(--ink-soft);
	line-height: 1.8;
}

/* ---------- フッター ---------- */
.site-footer {
	background: var(--ink);
	color: #cfe0d5;
	padding: 56px 0 32px;
}
.footer-top {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	flex-wrap: wrap;
	gap: 32px;
	margin-bottom: 32px;
}
.footer-brand {
	display: flex;
	align-items: center;
	gap: 8px;
	font-weight: 800;
	font-size: 18px;
	color: #fff;
	margin-bottom: 8px;
}
.footer-brand .brand-icon .st0 {
	fill: #fff;
}
.footer-company {
	font-size: 13px;
	color: #9fb3a6;
	line-height: 1.8;
}
.footer-links {
	display: flex;
	gap: 24px;
	flex-wrap: wrap;
}
.footer-links a {
	font-size: 13px;
	color: #cfe0d5;
	text-decoration: none;
}
.footer-links a:hover {
	color: #fff;
}
.footer-bottom {
	border-top: 1px solid rgba(255, 255, 255, 0.12);
	padding-top: 24px;
	font-size: 12px;
	color: #7f9686;
}

/* ---------- 静的ページ（プライバシー/規約）共通 ---------- */
.doc-page {
	width: min(760px, 100% - 48px);
	margin: 0 auto;
	padding: 64px 0 96px;
}
.doc-page h1 {
	font-size: 26px;
	font-weight: 800;
	margin-bottom: 8px;
}
.doc-page .doc-updated {
	font-size: 13px;
	color: var(--ink-soft);
	margin-bottom: 40px;
}
.doc-page h2 {
	font-size: 17px;
	font-weight: 700;
	margin: 36px 0 12px;
	padding-left: 12px;
	border-left: 4px solid var(--key);
}
.doc-page p,
.doc-page li {
	font-size: 14px;
	color: var(--ink-soft);
	line-height: 1.9;
}
.doc-page ul {
	padding-left: 20px;
}
.doc-back {
	display: inline-block;
	margin-bottom: 24px;
	font-size: 13px;
	font-weight: 700;
	color: var(--key-cool);
	text-decoration: none;
}