/* K-1 会員アプリ紹介ページ専用 — app-* で衝突回避 */

:root {
	--app-red: #F60E2A;
	--app-red-dark: #c80a21;
	--app-ink: #1a1a1a;
	--app-mute: #555;
	--app-line: #eaeaea;
	--app-bg: #fff;
	--app-bg-alt: #fff6f7;
}

* { box-sizing: border-box; }

html, body {
	margin: 0;
	padding: 0;
	background: var(--app-bg);
	color: var(--app-ink);
	font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
	line-height: 1.6;
	-webkit-text-size-adjust: 100%;
}

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

a { color: inherit; }

.app-br-sp { display: inline; }
@media (min-width: 768px) { .app-br-sp { display: none; } }

/* ===== ヘッダ ===== */
.app-header {
	background: #fff;
	border-bottom: 3px solid var(--app-red);
	position: sticky; top: 0; z-index: 10;
}
.app-header-inner {
	max-width: 1100px;
	margin: 0 auto;
	padding: 10px 16px;
	display: flex; align-items: center; justify-content: space-between;
	gap: 12px;
}
.app-header-logo img { height: 38px; width: auto; }
@media (min-width: 768px) {
	.app-header-logo img { height: 52px; }
}
.app-header-tel {
	color: var(--app-red);
	text-decoration: none;
	font-weight: 700;
	font-size: 14px;
	display: inline-flex; align-items: center; gap: 4px;
}
.app-tel-icon { font-size: 18px; }
@media (min-width: 768px) {
	.app-header-tel { font-size: 18px; }
}

/* ===== ヒーロー ===== */
.app-hero {
	background: linear-gradient(135deg, #fff 0%, #ffeaee 100%);
	padding: 40px 16px 48px;
}
.app-hero-inner {
	max-width: 1100px;
	margin: 0 auto;
	display: grid;
	grid-template-columns: 1fr;
	gap: 24px;
	align-items: center;
}
@media (min-width: 900px) {
	.app-hero { padding: 72px 24px 80px; }
	.app-hero-inner { grid-template-columns: 1.1fr 0.9fr; gap: 48px; }
}
.app-hero-eyebrow {
	letter-spacing: 0.15em;
	color: var(--app-red);
	font-weight: 700;
	font-size: 12px;
	margin: 0 0 12px;
}
.app-hero-title {
	font-size: 28px;
	line-height: 1.3;
	margin: 0 0 16px;
	color: var(--app-ink);
}
@media (min-width: 768px) { .app-hero-title { font-size: 40px; } }
@media (min-width: 1100px) { .app-hero-title { font-size: 46px; } }
.app-hero-sub {
	font-size: 16px;
	color: var(--app-mute);
	margin: 0 0 24px;
}
@media (min-width: 768px) { .app-hero-sub { font-size: 20px; } }
.app-hero-cta { margin-top: 8px; }
.app-hero-visual {
	text-align: center;
}
.app-hero-visual img {
	max-width: 320px;
	width: 100%;
	margin: 0 auto;
	border-radius: 12px;
	box-shadow: 0 10px 30px rgba(246,14,42,0.15);
}
@media (min-width: 900px) {
	.app-hero-visual img { max-width: 380px; }
}

/* ===== ボタン ===== */
.app-btn {
	display: inline-block;
	padding: 14px 28px;
	border-radius: 999px;
	font-weight: 700;
	text-decoration: none;
	font-size: 16px;
	transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.app-btn-primary {
	background: var(--app-red);
	color: #fff;
	box-shadow: 0 4px 14px rgba(246,14,42,0.35);
}
.app-btn-primary:hover {
	transform: translateY(-1px);
	background: var(--app-red-dark);
}

/* ===== セクション共通 ===== */
.app-section-inner {
	max-width: 1100px;
	margin: 0 auto;
	padding: 56px 16px;
}
@media (min-width: 768px) {
	.app-section-inner { padding: 80px 24px; }
}
.app-section-title {
	font-size: 24px;
	text-align: center;
	margin: 0 0 8px;
	color: var(--app-ink);
}
.app-section-title span {
	color: var(--app-red);
}
@media (min-width: 768px) { .app-section-title { font-size: 32px; } }
.app-section-lead {
	text-align: center;
	color: var(--app-mute);
	margin: 0 0 32px;
}
.app-section-title-light { color: #fff; }
.app-section-title-light span { color: #fff; text-decoration: underline; text-decoration-thickness: 3px; text-underline-offset: 6px; }
.app-section-lead-light { color: #ffe5e9; }

/* ===== 機能カード ===== */
.app-feature-grid {
	list-style: none;
	margin: 0; padding: 0;
	display: grid;
	grid-template-columns: 1fr;
	gap: 16px;
}
@media (min-width: 600px) {
	.app-feature-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (min-width: 960px) {
	.app-feature-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
}
.app-feature-card {
	background: #fff;
	border: 1px solid var(--app-line);
	border-radius: 14px;
	padding: 24px 20px;
	transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.app-feature-card:hover {
	transform: translateY(-3px);
	box-shadow: 0 10px 24px rgba(0,0,0,0.06);
	border-color: var(--app-red);
}
.app-feature-icon {
	width: 56px; height: 56px;
	border-radius: 14px;
	background: var(--app-bg-alt);
	color: var(--app-red);
	display: flex; align-items: center; justify-content: center;
	margin-bottom: 14px;
}
.app-feature-name {
	font-size: 18px;
	margin: 0 0 8px;
	color: var(--app-ink);
}
.app-feature-desc {
	font-size: 14px;
	color: var(--app-mute);
	margin: 0;
	line-height: 1.7;
}

/* ===== ダウンロード ===== */
.app-download {
	background: var(--app-red);
}
.app-store-list {
	list-style: none;
	margin: 0; padding: 0;
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 16px;
}
.app-store-btn {
	display: inline-flex;
	flex-direction: column;
	justify-content: center;
	min-width: 220px;
	padding: 12px 24px;
	background: #000;
	color: #fff;
	text-decoration: none;
	border-radius: 12px;
	border: 1px solid #fff;
	transition: transform 0.15s ease, background 0.15s ease;
}
.app-store-btn:hover {
	transform: translateY(-2px);
	background: #1a1a1a;
}
.app-store-sup {
	font-size: 11px;
	letter-spacing: 0.08em;
	opacity: 0.85;
}
.app-store-main {
	font-size: 22px;
	font-weight: 700;
	line-height: 1.1;
}

/* ===== 戻るリンク ===== */
.app-back {
	text-align: center;
	padding: 32px 16px 16px;
}
.app-back-link {
	color: var(--app-red);
	text-decoration: none;
	font-weight: 700;
}
.app-back-link:hover { text-decoration: underline; }

/* ===== フッタ ===== */
.app-footer {
	text-align: center;
	padding: 32px 16px;
	border-top: 1px solid var(--app-line);
	background: #fff;
}
.app-footer-logo img {
	max-width: 240px;
	margin: 0 auto 12px;
}
.app-footer p {
	margin: 0;
	color: var(--app-mute);
	font-size: 12px;
}