:root {
	--sgl-navy: #10243f;
	--sgl-navy-2: #17375f;
	--sgl-blue-gray: #60748b;
	--sgl-slate: #2d3d4f;
	--sgl-gold: #d99a24;
	--sgl-orange: #e86f2f;
	--sgl-bg: #f4f7fa;
	--sgl-border: #dce4ec;
	--sgl-text: #1d2733;
	--sgl-muted: #657487;
	--sgl-white: #ffffff;
	--sgl-radius: 8px;
	--sgl-shadow: 0 16px 40px rgba(16, 36, 63, 0.1);
	--sgl-container: 1120px;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--sgl-white);
	color: var(--sgl-text);
	font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", Meiryo, system-ui, sans-serif;
	font-size: 16px;
	line-height: 1.8;
}

a {
	color: var(--sgl-navy-2);
	text-decoration-thickness: 1px;
	text-underline-offset: 0.18em;
}

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

h1,
h2,
h3,
h4 {
	margin: 0 0 0.65em;
	color: var(--sgl-navy);
	font-weight: 800;
	line-height: 1.35;
	letter-spacing: 0;
}

h1 {
	font-size: clamp(2rem, 1.45rem + 2.2vw, 4rem);
}

h2 {
	font-size: clamp(1.55rem, 1.3rem + 1vw, 2.4rem);
}

h3 {
	font-size: 1.22rem;
}

p {
	margin: 0 0 1.2em;
}

ul,
ol {
	padding-left: 1.35em;
}

blockquote {
	margin: 2rem 0;
	padding: 1.25rem 1.5rem;
	border-left: 4px solid var(--sgl-gold);
	background: var(--sgl-bg);
	color: var(--sgl-slate);
}

table {
	width: 100%;
	border-collapse: collapse;
	margin: 2rem 0;
	background: var(--sgl-white);
}

th,
td {
	padding: 0.9rem;
	border: 1px solid var(--sgl-border);
	text-align: left;
	vertical-align: top;
}

th {
	background: var(--sgl-bg);
	color: var(--sgl-navy);
	font-weight: 800;
}

.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.skip-link:focus {
	position: fixed;
	top: 10px;
	left: 10px;
	z-index: 1000;
	width: auto;
	height: auto;
	padding: 10px 14px;
	clip: auto;
	background: var(--sgl-white);
	color: var(--sgl-navy);
	box-shadow: var(--sgl-shadow);
}

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

.sgl-narrow {
	width: min(100% - 32px, 820px);
}

.site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	border-bottom: 1px solid rgba(220, 228, 236, 0.88);
	background: rgba(255, 255, 255, 0.94);
	backdrop-filter: blur(12px);
}

.site-header__inner {
	display: grid;
	grid-template-columns: auto 1fr auto;
	align-items: center;
	gap: 24px;
	width: min(100% - 32px, var(--sgl-container));
	min-height: 76px;
	margin-inline: auto;
}

.site-branding__name {
	display: block;
	color: var(--sgl-navy);
	font-weight: 900;
	font-size: 1.08rem;
	text-decoration: none;
}

.site-branding__tagline {
	margin: 0;
	color: var(--sgl-muted);
	font-size: 0.78rem;
	line-height: 1.45;
}

.site-nav .menu {
	display: flex;
	justify-content: flex-end;
	align-items: center;
	gap: 20px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.site-nav a {
	display: block;
	color: var(--sgl-slate);
	font-weight: 700;
	font-size: 0.92rem;
	text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus {
	color: var(--sgl-orange);
}

.site-nav-toggle {
	display: none;
	width: 42px;
	height: 42px;
	border: 1px solid var(--sgl-border);
	border-radius: var(--sgl-radius);
	background: var(--sgl-white);
}

.site-nav-toggle__bar,
.site-nav-toggle__bar::before,
.site-nav-toggle__bar::after {
	display: block;
	width: 18px;
	height: 2px;
	margin-inline: auto;
	background: var(--sgl-navy);
	content: "";
}

.site-nav-toggle__bar::before {
	transform: translateY(-6px);
}

.site-nav-toggle__bar::after {
	transform: translateY(4px);
}

.sgl-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 44px;
	padding: 0.72rem 1.1rem;
	border: 1px solid transparent;
	border-radius: var(--sgl-radius);
	font-weight: 800;
	line-height: 1.25;
	text-align: center;
	text-decoration: none;
	cursor: pointer;
	transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.sgl-button:hover,
.sgl-button:focus {
	transform: translateY(-1px);
}

.sgl-button--accent {
	background: var(--sgl-orange);
	color: var(--sgl-white);
	box-shadow: 0 10px 20px rgba(232, 111, 47, 0.22);
}

.sgl-button--primary {
	background: var(--sgl-navy);
	color: var(--sgl-white);
	box-shadow: 0 10px 20px rgba(16, 36, 63, 0.18);
}

.sgl-button--outline {
	border-color: var(--sgl-border);
	background: var(--sgl-white);
	color: var(--sgl-navy);
}

.hero {
	padding: 86px 0 72px;
	background:
		linear-gradient(135deg, rgba(16, 36, 63, 0.98), rgba(23, 55, 95, 0.92)),
		radial-gradient(circle at 80% 20%, rgba(217, 154, 36, 0.32), transparent 32%);
	color: var(--sgl-white);
}

.hero__inner {
	display: grid;
	grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
	align-items: center;
	gap: 48px;
}

.hero h1,
.hero p,
.hero .sgl-eyebrow {
	color: var(--sgl-white);
}

.hero__content > p {
	max-width: 720px;
	font-size: 1.08rem;
}

.hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 28px;
}

.hero__panel {
	display: grid;
	gap: 12px;
	padding: 22px;
	border: 1px solid rgba(255, 255, 255, 0.18);
	border-radius: var(--sgl-radius);
	background: rgba(255, 255, 255, 0.08);
	box-shadow: var(--sgl-shadow);
}

.hero__panel div {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 14px;
	border-radius: var(--sgl-radius);
	background: rgba(255, 255, 255, 0.1);
	font-weight: 800;
}

.hero__panel span {
	color: var(--sgl-gold);
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.hero--corporate,
.hero--lp {
	padding-bottom: 92px;
}

.hero--corporate .hero__inner,
.hero--lp .hero__inner {
	grid-template-columns: 1fr;
}

.section {
	padding: 72px 0;
}

.section--muted {
	background: var(--sgl-bg);
}

.section--cta {
	background: var(--sgl-navy);
	color: var(--sgl-white);
}

.section--cta h2,
.section--cta .sgl-eyebrow {
	color: var(--sgl-white);
}

.section-heading {
	max-width: 780px;
	margin-bottom: 28px;
}

.section-heading__link {
	color: inherit;
	text-decoration: none;
}

.section-heading__link:hover,
.section-heading__link:focus {
	color: var(--sgl-orange);
	text-decoration: underline;
	text-underline-offset: 0.16em;
}

.page-header {
	margin: 42px 0 32px;
}

.page-header--center {
	max-width: 780px;
	margin-inline: auto;
	text-align: center;
}

.page-header__lead {
	color: var(--sgl-muted);
	font-size: 1.05rem;
}

.sgl-eyebrow {
	margin-bottom: 0.5rem;
	color: var(--sgl-orange);
	font-weight: 900;
	font-size: 0.78rem;
	letter-spacing: 0;
	text-transform: uppercase;
}

.feature-grid,
.value-grid,
.sgl-product-grid,
.post-grid,
.service-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 18px;
}

.feature-grid--five {
	grid-template-columns: repeat(5, minmax(0, 1fr));
}

.feature-card,
.value-card,
.sgl-product-card,
.post-card,
.service-card,
.contact-panel,
.cta-box,
.books-tools-box,
.form-placeholder,
.sgl-diagnosis,
.sgl-affiliate-card {
	border: 1px solid var(--sgl-border);
	border-radius: var(--sgl-radius);
	background: var(--sgl-white);
	box-shadow: 0 10px 28px rgba(16, 36, 63, 0.06);
}

.feature-card {
	padding: 18px;
	color: var(--sgl-navy);
	font-weight: 800;
	line-height: 1.55;
}

.value-card,
.service-card {
	padding: 24px;
}

.split-cta {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
}

.resource-link {
	display: grid;
	gap: 6px;
	padding: 28px;
	border: 1px solid var(--sgl-border);
	border-radius: var(--sgl-radius);
	background: var(--sgl-white);
	text-decoration: none;
	box-shadow: var(--sgl-shadow);
}

.resource-link span {
	color: var(--sgl-orange);
	font-weight: 900;
	font-size: 0.84rem;
}

.resource-link strong {
	color: var(--sgl-navy);
	font-size: 1.3rem;
	line-height: 1.4;
}

.sgl-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 300px;
	gap: 42px;
	padding: 42px 0 72px;
}

.sgl-content {
	min-width: 0;
}

.sgl-sidebar {
	align-self: start;
	position: sticky;
	top: 98px;
}

.widget {
	margin-bottom: 20px;
	padding: 22px;
	border: 1px solid var(--sgl-border);
	border-radius: var(--sgl-radius);
	background: var(--sgl-white);
}

.widget-title {
	font-size: 1rem;
}

.sgl-breadcrumbs {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 24px;
	color: var(--sgl-muted);
	font-size: 0.86rem;
}

.sgl-breadcrumbs a {
	color: var(--sgl-muted);
	text-decoration: none;
}

.post-card {
	overflow: hidden;
}

.post-card__link {
	display: grid;
	height: 100%;
	color: inherit;
	text-decoration: none;
}

.post-card__image {
	width: 100%;
	aspect-ratio: 16 / 9;
	object-fit: cover;
	background: var(--sgl-bg);
}

.post-card__body {
	padding: 22px;
}

.post-card__meta {
	margin-bottom: 0.45rem;
	color: var(--sgl-muted);
	font-size: 0.84rem;
}

.post-grid--compact {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.article__header {
	margin-bottom: 32px;
}

.article__categories {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 12px;
}

.article__categories a,
.sgl-product-card__category,
.sgl-product-card__badge {
	display: inline-flex;
	align-items: center;
	min-height: 28px;
	padding: 0.2rem 0.58rem;
	border-radius: 999px;
	background: var(--sgl-bg);
	color: var(--sgl-navy);
	font-weight: 800;
	font-size: 0.78rem;
	text-decoration: none;
}

.sgl-product-card__badge {
	background: rgba(232, 111, 47, 0.12);
	color: var(--sgl-orange);
}

.article__date {
	color: var(--sgl-muted);
	font-size: 0.92rem;
}

.article__lead {
	padding: 18px 20px;
	border-left: 4px solid var(--sgl-gold);
	background: var(--sgl-bg);
	color: var(--sgl-slate);
	font-weight: 700;
}

.entry-content {
	font-size: 1.03rem;
}

.entry-content h2 {
	margin-top: 2.5em;
	padding-bottom: 0.35em;
	border-bottom: 2px solid var(--sgl-border);
}

.entry-content h3 {
	margin-top: 2em;
}

.entry-content a {
	font-weight: 700;
}

.entry-content .wp-block-quote,
.entry-content .wp-block-table,
.entry-content .wp-block-list {
	margin-block: 1.8rem;
}

.article__footer {
	display: grid;
	gap: 24px;
	margin-top: 44px;
}

.cta-box {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 22px;
	padding: 26px;
}

.cta-box p:last-child {
	margin-bottom: 0;
}

.cta-box--diagnosis {
	border-color: rgba(232, 111, 47, 0.35);
	background: #fff8f3;
}

.cta-box--product {
	background: var(--sgl-bg);
}

.article-ad {
	padding: 18px;
	border: 1px dashed var(--sgl-border);
	border-radius: var(--sgl-radius);
	background: #fffdf9;
}

.books-tools-box {
	padding: 26px;
	border-color: rgba(217, 154, 36, 0.45);
	background: #fffaf0;
}

.sgl-affiliate-disclosure {
	padding: 0.85rem 1rem;
	border: 1px solid var(--sgl-border);
	border-radius: var(--sgl-radius);
	background: var(--sgl-bg);
	color: var(--sgl-muted);
	font-size: 0.9rem;
}

.sgl-product-card {
	display: flex;
	flex-direction: column;
	gap: 12px;
	padding: 24px;
}

.sgl-product-card--clickable {
	cursor: pointer;
	transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.sgl-product-card--clickable:hover,
.sgl-product-card--clickable:focus {
	border-color: rgba(232, 111, 47, 0.48);
	box-shadow: var(--sgl-shadow);
	transform: translateY(-2px);
	outline: none;
}

.sgl-product-card__meta {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.sgl-product-card__title {
	margin-bottom: 0;
}

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

.sgl-product-card__title a:hover,
.sgl-product-card__title a:focus {
	color: var(--sgl-orange);
}

.sgl-product-card__audience,
.sgl-product-card__pain,
.sgl-product-card__detail {
	margin-bottom: 0;
}

.sgl-product-card__price,
.service-card__price {
	margin-top: auto;
	color: var(--sgl-navy);
	font-weight: 900;
	font-size: 1.1rem;
}

.sgl-empty--action {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 14px;
}

.sgl-empty--action p {
	margin: 0;
}

.product-section {
	margin-bottom: 56px;
}

.two-column-section {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 32px;
}

.check-list {
	display: grid;
	gap: 10px;
	padding-left: 0;
	list-style: none;
}

.check-list li {
	position: relative;
	padding-left: 1.55rem;
}

.check-list li::before {
	position: absolute;
	left: 0;
	color: var(--sgl-orange);
	font-weight: 900;
	content: "✓";
}

.contact-panel {
	padding: 32px;
}

.form-placeholder {
	padding: 28px;
	border-style: dashed;
	color: var(--sgl-muted);
	text-align: center;
}

.lp-section:empty {
	display: none;
}

.related-posts {
	display: grid;
	gap: 14px;
}

.sgl-diagnosis {
	display: grid;
	gap: 24px;
	padding: 28px;
}

.sgl-diagnosis__question {
	margin: 0 0 18px;
	padding: 18px;
	border: 1px solid var(--sgl-border);
	border-radius: var(--sgl-radius);
}

.sgl-diagnosis__question legend {
	padding: 0;
	color: var(--sgl-navy);
	font-weight: 800;
}

.sgl-diagnosis__question legend span {
	margin-right: 8px;
	color: var(--sgl-orange);
}

.sgl-diagnosis__scale {
	display: grid;
	grid-template-columns: repeat(5, minmax(42px, 1fr));
	gap: 8px;
	margin-top: 12px;
}

.sgl-diagnosis__scale label {
	cursor: pointer;
}

.sgl-diagnosis__scale input {
	position: absolute;
	opacity: 0;
}

.sgl-diagnosis__scale span {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 42px;
	border: 1px solid var(--sgl-border);
	border-radius: var(--sgl-radius);
	background: var(--sgl-white);
	color: var(--sgl-navy);
	font-weight: 900;
}

.sgl-diagnosis__scale input:checked + span {
	border-color: var(--sgl-orange);
	background: var(--sgl-orange);
	color: var(--sgl-white);
}

.sgl-diagnosis__result {
	padding: 22px;
	border: 1px solid rgba(232, 111, 47, 0.35);
	border-radius: var(--sgl-radius);
	background: #fff8f3;
}

.sgl-diagnosis__result.is-error {
	border-color: #c53333;
	background: #fff5f5;
}

.sgl-diagnosis__email-row {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	gap: 10px;
}

.sgl-diagnosis input[type="email"] {
	min-height: 44px;
	padding: 0.7rem 0.9rem;
	border: 1px solid var(--sgl-border);
	border-radius: var(--sgl-radius);
	font: inherit;
}

.sgl-affiliate-card {
	display: grid;
	grid-template-columns: 120px 1fr;
	gap: 18px;
	padding: 18px;
}

.sgl-affiliate-card__image {
	width: 120px;
	aspect-ratio: 1;
	object-fit: cover;
	border-radius: var(--sgl-radius);
	background: var(--sgl-bg);
}

.site-footer {
	padding: 52px 0 34px;
	background: var(--sgl-navy);
	color: rgba(255, 255, 255, 0.78);
}

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

.site-footer__name {
	margin-bottom: 0.25rem;
	color: var(--sgl-white);
	font-weight: 900;
	font-size: 1.15rem;
}

.site-footer__widgets {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 18px;
	margin: 28px 0;
}

.site-footer .widget {
	padding: 0;
	border: 0;
	background: transparent;
	color: inherit;
}

.site-footer a {
	color: var(--sgl-white);
}

.site-footer__nav .menu {
	display: flex;
	flex-wrap: wrap;
	gap: 14px 20px;
	margin: 0 0 20px;
	padding: 0;
	list-style: none;
}

.site-footer__disclosure,
.site-footer__disclaimer,
.site-footer__copy {
	margin-bottom: 0.6rem;
	font-size: 0.86rem;
}

.navigation.pagination {
	margin-top: 34px;
}

.nav-links {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 38px;
	min-height: 38px;
	padding: 0.35rem 0.6rem;
	border: 1px solid var(--sgl-border);
	border-radius: var(--sgl-radius);
	text-decoration: none;
}

.page-numbers.current {
	background: var(--sgl-navy);
	color: var(--sgl-white);
}

.not-found {
	text-align: center;
}

@media (max-width: 980px) {
	.site-header__inner {
		grid-template-columns: 1fr auto;
		min-height: 68px;
	}

	.site-nav-toggle {
		display: inline-flex;
		align-items: center;
		justify-content: center;
	}

	.site-nav,
	.site-header__cta {
		display: none;
	}

	.site-nav.is-open {
		display: block;
		grid-column: 1 / -1;
		width: 100%;
		padding-bottom: 16px;
	}

	.site-nav .menu {
		display: grid;
		justify-content: stretch;
		gap: 0;
		border: 1px solid var(--sgl-border);
		border-radius: var(--sgl-radius);
		background: var(--sgl-white);
	}

	.site-nav a {
		padding: 12px 14px;
		border-bottom: 1px solid var(--sgl-border);
	}

	.site-nav li:last-child a {
		border-bottom: 0;
	}

	.hero__inner,
	.sgl-layout,
	.two-column-section {
		grid-template-columns: 1fr;
	}

	.sgl-sidebar {
		position: static;
	}

	.feature-grid--five,
	.feature-grid,
	.value-grid,
	.sgl-product-grid,
	.post-grid,
	.service-grid,
	.post-grid--compact {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 680px) {
	body {
		font-size: 15px;
	}

	.hero,
	.section {
		padding: 48px 0;
	}

	.hero__inner,
	.split-cta,
	.cta-box {
		display: grid;
		grid-template-columns: 1fr;
	}

	.hero__actions,
	.split-cta .sgl-button,
	.cta-box .sgl-button {
		width: 100%;
	}

	.feature-grid--five,
	.feature-grid,
	.value-grid,
	.sgl-product-grid,
	.post-grid,
	.service-grid,
	.post-grid--compact,
	.site-footer__widgets {
		grid-template-columns: 1fr;
	}

	.sgl-diagnosis {
		padding: 18px;
	}

	.sgl-diagnosis__scale {
		grid-template-columns: repeat(5, minmax(36px, 1fr));
	}

	.sgl-diagnosis__email-row,
	.sgl-affiliate-card {
		grid-template-columns: 1fr;
	}

	.sgl-affiliate-card__image {
		width: 100%;
		aspect-ratio: 16 / 9;
	}
}