/*
Theme Name: Free Course Theme
Theme URI: https://example.com/free-course-theme
Author: Shigeru
Author URI: https://example.com
Description: A clean WordPress theme for free member course sites and gated learning content.
Version: 0.1.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.2
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: free-course-theme
*/

:root {
	--fct-color-text: #142033;
	--fct-color-muted: #607089;
	--fct-color-border: #d7deea;
	--fct-color-background: #f5f8fc;
	--fct-color-surface: #ffffff;
	--fct-color-soft: #eef3f9;
	--fct-color-primary: #143d63;
	--fct-color-primary-hover: #0f2f4e;
	--fct-color-accent: #2f6f8f;
	--fct-content-width: 1080px;
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	background: var(--fct-color-background);
	color: var(--fct-color-text);
	font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	font-size: 16px;
	line-height: 1.7;
}

a {
	color: var(--fct-color-primary);
	text-decoration-thickness: 1px;
	text-underline-offset: 0.18em;
}

a:hover {
	color: var(--fct-color-primary-hover);
}

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

.site-header,
.site-footer {
	background: rgba(255, 255, 255, 0.96);
	border-color: var(--fct-color-border);
}

.site-header {
	border-bottom: 1px solid var(--fct-color-border);
	box-shadow: 0 1px 0 rgba(20, 32, 51, 0.03);
}

.site-footer {
	border-top: 1px solid var(--fct-color-border);
}

.site-container {
	width: min(100% - 32px, var(--fct-content-width));
	margin-inline: auto;
}

.site-header__inner,
.site-footer__inner {
	padding: 18px 0;
}

.site-title {
	margin: 0;
	font-size: 1.25rem;
	font-weight: 800;
	line-height: 1.3;
}

.site-title a {
	color: inherit;
	text-decoration: none;
}

.site-description {
	margin: 4px 0 0;
	color: var(--fct-color-muted);
	font-size: 0.9rem;
}

.site-navigation {
	margin-top: 14px;
}

.site-header__nav-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	margin-top: 14px;
}

.site-header__nav-row .site-navigation {
	margin-top: 0;
}

.site-navigation a {
	color: inherit;
	font-weight: 700;
	text-decoration: none;
}

.site-navigation a:hover {
	color: var(--fct-color-accent);
}

.site-navigation__menu {
	display: flex;
	flex-wrap: wrap;
	gap: 16px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.site-navigation__menu li {
	margin: 0;
}

.site-logout-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 44px;
	padding: 10px 18px;
	border: 1px solid var(--fct-color-primary);
	border-radius: 8px;
	background: var(--fct-color-primary);
	color: #ffffff;
	font-weight: 800;
	line-height: 1.2;
	text-decoration: none;
	white-space: nowrap;
}

.site-logout-button:hover {
	background: var(--fct-color-primary-hover);
	color: #ffffff;
}

.site-main {
	padding: 56px 0;
}

.page-title {
	margin: 0 0 24px;
	font-size: clamp(2rem, 3.8vw, 3.1rem);
	line-height: 1.2;
	letter-spacing: 0;
}

.entry-title {
	margin: 0 0 16px;
	font-size: 2rem;
	line-height: 1.25;
}

.section-title {
	margin: 0 0 20px;
	font-size: 1.65rem;
	line-height: 1.3;
}

.eyebrow {
	margin: 0 0 12px;
	color: var(--fct-color-accent);
	font-size: 0.88rem;
	font-weight: 800;
	letter-spacing: 0;
}

.hero-lead,
.form-intro,
.mypage-intro {
	color: var(--fct-color-muted);
	font-size: 1.05rem;
}

.home-hero {
	display: grid;
	gap: 28px;
	align-items: center;
	margin-bottom: 52px;
}

.home-hero--with-image {
	grid-template-columns: minmax(0, 1fr);
}

.home-hero__media {
	overflow: hidden;
	border: 1px solid var(--fct-color-border);
	border-radius: 8px;
	background: var(--fct-color-soft);
}

.home-hero__media img {
	display: block;
	width: 100%;
	aspect-ratio: 1100 / 450;
	object-fit: cover;
}

.home-hero__content {
	max-width: 780px;
}

.home-hero--with-image .home-hero__content {
	margin-top: 4px;
}

.front-page__content {
	margin: 0 0 48px;
	padding: 24px;
	border: 1px solid var(--fct-color-border);
	border-radius: 8px;
	background: var(--fct-color-surface);
}

.entry-content > *:first-child {
	margin-top: 0;
}

.entry-content > *:last-child {
	margin-bottom: 0;
}

.archive-header {
	margin-bottom: 28px;
}

.course-order {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}

.course-order a {
	display: inline-flex;
	align-items: center;
	min-height: 38px;
	padding: 6px 12px;
	border: 1px solid var(--fct-color-border);
	border-radius: 6px;
	background: var(--fct-color-surface);
	color: inherit;
	text-decoration: none;
}

.course-order a.is-active {
	border-color: var(--fct-color-primary);
	background: var(--fct-color-primary);
	color: #ffffff;
}

.course-list {
	display: grid;
	gap: 18px;
}

.course-card {
	display: grid;
	grid-template-columns: minmax(180px, 32%) 1fr;
	gap: 20px;
	padding: 20px;
	border: 1px solid var(--fct-color-border);
	border-radius: 8px;
	background: var(--fct-color-surface);
}

.course-card__image {
	display: grid;
	place-items: center;
	overflow: hidden;
	aspect-ratio: 16 / 9;
	border-radius: 6px;
	background: var(--fct-color-soft);
	color: var(--fct-color-muted);
	text-decoration: none;
}

.course-card__image img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.course-card__placeholder {
	font-size: 0.85rem;
	font-weight: 800;
	letter-spacing: 0;
}

.course-card__title {
	margin: 0 0 10px;
	font-size: 1.5rem;
	line-height: 1.35;
}

.course-episode-label {
	display: inline-flex;
	align-items: center;
	min-height: 26px;
	margin: 0 0 10px;
	padding: 3px 9px;
	border: 1px solid var(--fct-color-border);
	border-radius: 999px;
	background: #ffffff;
	color: var(--fct-color-primary);
	font-size: 0.82rem;
	font-weight: 800;
	line-height: 1.2;
}

.course-card__title a {
	color: inherit;
	text-decoration: none;
}

.course-card__title a:hover {
	color: var(--fct-color-accent);
}

.course-card.is-completed,
.front-course-card.is-completed {
	background: #f8fafc;
	border-color: #dfe6ef;
}

.course-card.is-completed .course-card__image,
.front-course-card.is-completed .front-course-card__image {
	opacity: 0.82;
}

.course-status-label {
	display: inline-flex;
	align-items: center;
	min-height: 28px;
	margin: 0 0 12px;
	padding: 3px 10px;
	border-radius: 999px;
	font-size: 0.85rem;
	font-weight: 800;
	line-height: 1.2;
}

.course-status-label.is-completed {
	background: #e7f4ee;
	color: #1f6b4d;
}

.course-status-label.is-incomplete {
	background: var(--fct-color-soft);
	color: var(--fct-color-muted);
}

.course-card__excerpt > *:first-child {
	margin-top: 0;
}

.course-card__excerpt > *:last-child {
	margin-bottom: 0;
}

.course-detail__image {
	margin: 0 0 28px;
}

.course-detail__image img {
	display: block;
	width: 100%;
	max-height: 520px;
	object-fit: cover;
	border-radius: 6px;
}

.course-progress-box {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	align-items: center;
	justify-content: space-between;
	margin: 0 0 28px;
	padding: 18px;
	border: 1px solid var(--fct-color-border);
	border-radius: 8px;
	background: var(--fct-color-surface);
}

.course-progress-box__status {
	margin: 0;
	color: var(--fct-color-muted);
	font-weight: 700;
}

.course-adjacent-nav {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 12px;
	margin-top: 36px;
	padding-top: 24px;
	border-top: 1px solid var(--fct-color-border);
}

.home-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 26px;
}

.front-courses {
	margin-top: 48px;
}

.front-course-list {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 24px;
}

.front-course-card {
	padding: 18px;
	border: 1px solid var(--fct-color-border);
	border-radius: 8px;
	background: var(--fct-color-surface);
}

.front-course-card__image {
	display: grid;
	place-items: center;
	overflow: hidden;
	aspect-ratio: 16 / 9;
	margin-bottom: 14px;
	border-radius: 6px;
	background: var(--fct-color-soft);
	color: var(--fct-color-muted);
	text-decoration: none;
}

.front-course-card__image img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.front-course-card__title {
	margin: 0 0 8px;
	font-size: 1.2rem;
	line-height: 1.35;
}

.front-course-card__title a {
	color: inherit;
	text-decoration: none;
}

.front-course-card__title a:hover {
	color: var(--fct-color-accent);
}

.front-course-card__excerpt > *:first-child {
	margin-top: 0;
}

.front-course-card__excerpt > *:last-child {
	margin-bottom: 0;
}

.button-link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 44px;
	padding: 10px 18px;
	border: 1px solid var(--fct-color-primary);
	border-radius: 6px;
	background: var(--fct-color-primary);
	color: #ffffff;
	font-weight: 700;
	text-decoration: none;
	transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.button-link:hover {
	border-color: var(--fct-color-primary-hover);
	background: var(--fct-color-primary-hover);
	color: #ffffff;
}

.button-link--secondary {
	background: transparent;
	color: var(--fct-color-primary);
}

.button-link--secondary:hover {
	background: var(--fct-color-primary);
	color: #ffffff;
}

.button-link--tertiary {
	border-color: transparent;
	background: transparent;
	color: var(--fct-color-primary);
}

.button-link--tertiary:hover {
	border-color: var(--fct-color-border);
	background: var(--fct-color-soft);
	color: var(--fct-color-primary);
}

.login-page,
.register-page {
	max-width: 720px;
}

.login-panel,
.register-panel {
	padding: 28px;
	border: 1px solid var(--fct-color-border);
	border-radius: 8px;
	background: var(--fct-color-surface);
	box-shadow: 0 10px 30px rgba(20, 32, 51, 0.05);
}

.login-panel form,
.register-panel form {
	display: grid;
	gap: 16px;
}

.login-panel p,
.register-panel p {
	margin: 0;
}

.login-panel label,
.register-panel label {
	display: block;
	margin-bottom: 6px;
	font-weight: 700;
}

.login-panel input[type="text"],
.login-panel input[type="password"],
.register-panel input[type="text"],
.register-panel input[type="email"],
.register-panel input[type="password"] {
	width: 100%;
	min-height: 46px;
	padding: 9px 11px;
	border: 1px solid var(--fct-color-border);
	border-radius: 6px;
	background: #ffffff;
	color: var(--fct-color-text);
	font: inherit;
}

.login-panel input:focus,
.register-panel input:focus {
	outline: 3px solid rgba(47, 111, 143, 0.18);
	border-color: var(--fct-color-accent);
}

.login-panel input[type="checkbox"] {
	margin-right: 6px;
}

.login-panel input[type="submit"],
.register-panel button[type="submit"] {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 44px;
	padding: 10px 18px;
	border: 1px solid var(--fct-color-primary);
	border-radius: 6px;
	background: var(--fct-color-primary);
	color: #ffffff;
	font: inherit;
	font-weight: 700;
	cursor: pointer;
}

.login-actions,
.register-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 20px;
}

.form-errors {
	margin-bottom: 20px;
	padding: 14px 16px;
	border: 1px solid #b42318;
	border-radius: 6px;
	background: #fff4f2;
	color: #7a271a;
}

.form-errors ul {
	margin: 0;
	padding-left: 20px;
}

.mypage-header {
	margin-bottom: 42px;
	padding: 28px;
	border: 1px solid var(--fct-color-border);
	border-radius: 8px;
	background: var(--fct-color-surface);
}

.mypage-user {
	margin: 0 0 8px;
	font-size: 1.15rem;
	font-weight: 700;
}

.mypage-intro {
	max-width: 720px;
	margin: 0 0 22px;
}

.course-progress-summary {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 12px;
	margin: 0 0 24px;
}

.course-progress-summary__item {
	padding: 16px;
	border: 1px solid var(--fct-color-border);
	border-radius: 8px;
	background: var(--fct-color-soft);
}

.course-progress-summary__item span {
	display: block;
	margin-bottom: 4px;
	color: var(--fct-color-muted);
	font-size: 0.88rem;
	font-weight: 700;
}

.course-progress-summary__item strong {
	display: block;
	font-size: 1.45rem;
	line-height: 1.2;
}

.mypage-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
}

.mypage-next-course,
.mypage-courses,
.mypage-next {
	margin-top: 48px;
}

.mypage-next-course {
	padding: 24px;
	border: 1px solid var(--fct-color-border);
	border-radius: 8px;
	background: var(--fct-color-surface);
}

.mypage-next-course p {
	margin: 0 0 18px;
	font-size: 1.1rem;
	font-weight: 700;
}

.mypage-next-course p:last-child {
	margin-bottom: 0;
	color: var(--fct-color-muted);
}

.mypage-next {
	padding: 24px;
	border: 1px solid var(--fct-color-border);
	border-radius: 8px;
	background: var(--fct-color-surface);
}

.mypage-next p {
	margin: 0;
	color: var(--fct-color-muted);
}

@media (max-width: 720px) {
	.site-main {
		padding: 36px 0;
	}

	.site-header__nav-row {
		align-items: stretch;
		flex-direction: column;
	}

	.site-navigation {
		gap: 12px;
	}

	.site-logout-button {
		width: 100%;
	}

	.home-hero {
		margin-bottom: 40px;
	}

	.home-actions,
	.mypage-actions,
	.login-actions,
	.register-actions,
	.course-progress-box,
	.course-adjacent-nav {
		align-items: stretch;
		flex-direction: column;
	}

	.button-link {
		width: 100%;
	}

	.course-card {
		grid-template-columns: 1fr;
	}

	.front-course-list {
		grid-template-columns: 1fr;
	}

	.course-progress-summary {
		grid-template-columns: 1fr;
	}

	.login-panel,
	.register-panel,
	.mypage-header,
	.front-page__content {
		padding: 20px;
	}
}