:root {
	--color-text: #1f2f3d;
	--color-muted: #6f7f8d;
	--color-main: #4f6f8f;
	--color-sub: #dbe8f2;
	--color-beige: #efe7dc;
	--color-bg: #fafafa;
	--color-white: #ffffff;
	--color-border: #e6edf2;
	--font-base: "Noto Sans JP", system-ui, sans-serif;
	--font-soft: "Zen Maru Gothic", "Noto Sans JP", sans-serif;
	--shadow-card: 0 14px 36px rgba(31, 47, 61, 0.08);
	--radius-card: 14px;
	--radius-image: 12px;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--color-bg);
	color: var(--color-text);
	font-family: var(--font-base);
	font-size: 16px;
	line-height: 1.8;
	letter-spacing: 0;
}

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

a {
	color: inherit;
	text-decoration: none;
	transition: color 0.2s ease, opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

a:hover {
	color: var(--color-main);
}

button,
input,
textarea,
select {
	font: inherit;
}

.container {
	width: min(100% - 40px, 1160px);
	margin-inline: auto;
}

.site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	background: rgba(250, 250, 250, 0.84);
	border-bottom: 1px solid rgba(230, 237, 242, 0.72);
	backdrop-filter: blur(18px);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 72px;
	gap: 24px;
}

.site-logo {
	display: inline-flex;
	flex-direction: column;
	line-height: 1.1;
}

.site-logo__script {
	font-family: var(--font-soft);
	font-size: 1.42rem;
	font-weight: 700;
	color: var(--color-text);
}

.site-logo__tagline {
	margin-top: 4px;
	color: var(--color-muted);
	font-size: 0.68rem;
}

.custom-logo-link img {
	max-height: 54px;
	width: auto;
}

.primary-nav {
	display: none;
	position: absolute;
	inset: 72px 20px auto;
	padding: 18px;
	background: var(--color-white);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-card);
	box-shadow: var(--shadow-card);
}

.primary-nav.is-open {
	display: block;
}

.primary-nav ul,
.site-footer ul {
	margin: 0;
	padding: 0;
	list-style: none;
}

.primary-nav li + li {
	margin-top: 8px;
}

.primary-nav a {
	display: block;
	padding: 8px 4px;
	font-size: 0.92rem;
	font-weight: 600;
}

.nav-toggle {
	display: inline-grid;
	place-items: center;
	width: 42px;
	height: 42px;
	padding: 0;
	background: var(--color-white);
	border: 1px solid var(--color-border);
	border-radius: 999px;
	cursor: pointer;
}

.nav-toggle span:not(.screen-reader-text) {
	display: block;
	width: 18px;
	height: 1px;
	margin: 3px 0;
	background: var(--color-text);
}

.layout-with-sidebar {
	display: grid;
	gap: 44px;
}

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

.sidebar {
	display: grid;
	align-content: start;
	gap: 22px;
	top: -6%;
    position: relative;
}

.sidebar-card,
.widget {
	padding: 24px;
	background: var(--color-white);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-card);
	box-shadow: 0 10px 30px rgba(31, 47, 61, 0.04);
}

.profile-card {
	text-align: center;
}

.profile-card img {
	width: 116px;
	height: 116px;
	margin: 0 auto 16px;
	object-fit: cover;
	border-radius: 999px;
}

.profile-card h2,
.widget-title,
.sidebar-heading h2 {
	margin: 0 0 8px;
	font-size: 1.08rem;
}

.profile-card p {
	margin: 0;
	color: var(--color-muted);
	font-size: 0.9rem;
}

.profile-card__role {
	margin-bottom: 12px !important;
	color: var(--color-text) !important;
	font-weight: 600;
}

.social-links {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 10px;
	margin-top: 18px;
}

.social-links a {
	display: inline-grid;
	place-items: center;
	width: 34px;
	height: 34px;
	border: 1px solid var(--color-border);
	border-radius: 999px;
	color: var(--color-main);
	font-size: 0.76rem;
	font-weight: 700;
}

.sidebar-heading {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	margin-bottom: 14px;
}

.sidebar-heading a,
.text-link {
	color: var(--color-main);
	font-size: 0.84rem;
	font-weight: 700;
}

.mini-post-list {
	display: grid;
	gap: 14px;
}

.mini-post {
	display: grid;
	grid-template-columns: 64px 1fr;
	gap: 12px;
	align-items: center;
}

.mini-post img,
.mini-post__placeholder {
	width: 64px;
	height: 64px;
	object-fit: cover;
	border-radius: 10px;
	background: linear-gradient(135deg, var(--color-sub), var(--color-beige));
}

.mini-post strong {
	display: block;
	font-size: 0.88rem;
	line-height: 1.55;
}

.mini-post time,
.article-card__date,
.tool-card small {
	color: var(--color-muted);
	font-size: 0.78rem;
}

.sidebar-title {
	margin: 0 0 14px;
	font-size: 1.08rem;
}

.section-block {
	margin-top: 56px;
}

.section-heading {
	display: flex;
	align-items: end;
	justify-content: space-between;
	gap: 18px;
	margin-bottom: 22px;
}

.section-heading h2 {
	margin: 0;
	font-size: clamp(1.25rem, 3vw, 1.55rem);
	line-height: 1.4;
}

.section-heading h2 span {
	margin-left: 8px;
	color: var(--color-main);
	font-family: var(--font-soft);
	font-size: 0.82em;
	font-weight: 400;
}

.post-grid,
.archive-grid,
.tool-grid,
.category-grid {
	display: grid;
	gap: 22px;
}

.article-card,
.category-card,
.tool-card {
	background: var(--color-white);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-card);
	overflow: hidden;
	box-shadow: 0 10px 30px rgba(31, 47, 61, 0.04);
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.article-card:hover,
.category-card:hover,
.tool-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-card);
}

.article-card__image {
	display: block;
	aspect-ratio: 1.55 / 1;
	overflow: hidden;
	background: var(--color-sub);
}

.article-card__image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.35s ease;
}

.article-card:hover .article-card__image img {
	transform: scale(1.04);
}

.image-placeholder {
	display: grid;
	place-items: center;
	width: 100%;
	height: 100%;
	background:
		linear-gradient(135deg, rgba(219, 232, 242, 0.9), rgba(239, 231, 220, 0.86)),
		radial-gradient(circle at 70% 20%, rgba(255, 255, 255, 0.8), transparent 34%);
	color: var(--color-main);
	font-family: var(--font-soft);
	font-weight: 700;
}

.article-card__body {
	padding: 15px 16px 17px;
}

.article-card__meta {
	margin-bottom: 8px;
}

.post-category {
	display: inline-block;
	padding: 4px 10px;
	background: var(--color-main);
	border-radius: 999px;
	color: var(--color-white);
	font-size: 0.72rem;
	font-weight: 700;
	line-height: 1.2;
}

.article-card h3 {
	margin: 0 0 12px;
	font-size: 0.98rem;
	line-height: 1.65;
}

.category-card {
	display: grid;
	justify-items: center;
	gap: 8px;
	padding: 22px 12px;
	text-align: center;
}

.category-card__icon {
	position: relative;
	display: block;
	width: 42px;
	height: 42px;
	border: 1.5px solid var(--color-main);
	border-radius: 12px;
}

.category-card__icon::before,
.category-card__icon::after {
	position: absolute;
	content: "";
	inset: 11px;
	border: 1.5px solid var(--color-main);
	border-radius: 999px;
}

.icon-laptop::before {
	inset: 12px 8px 16px;
	border-radius: 3px;
}

.icon-laptop::after {
	inset: auto 7px 8px;
	height: 2px;
	border: 0;
	background: var(--color-main);
}

.icon-wordpress::before {
	content: "W";
	inset: 4px;
	display: grid;
	place-items: center;
	border: 0;
	color: var(--color-main);
	font-family: Georgia, serif;
	font-size: 1.4rem;
	font-weight: 700;
}

.icon-ski::before {
	inset: 8px 19px;
	border-width: 0 1.5px 0 0;
	transform: rotate(45deg);
}

.icon-ski::after {
	inset: 8px 19px;
	border-width: 0 1.5px 0 0;
	transform: rotate(-45deg);
}

.icon-git::before {
	inset: 10px;
	border-radius: 4px;
	transform: rotate(45deg);
}

.icon-git::after {
	inset: 18px 10px auto;
	height: 1.5px;
	border: 0;
	background: var(--color-main);
}

.icon-cursor::before {
	inset: 9px;
	border-radius: 3px;
	transform: rotate(30deg);
}

.icon-bag::before {
	inset: 14px 10px 8px;
	border-radius: 3px;
}

.icon-bag::after {
	inset: 8px 15px auto;
	height: 8px;
	border-width: 1.5px 1.5px 0;
	border-radius: 8px 8px 0 0;
}

.category-card strong,
.tool-card strong {
	display: block;
	font-size: 0.98rem;
}

.category-card small {
	color: var(--color-muted);
	font-size: 0.75rem;
}

.tool-grid {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tool-card {
	display: grid;
	justify-items: center;
	gap: 12px;
	padding: 24px 16px;
	text-align: center;
}

.tool-card__icon {
	display: grid;
	place-items: center;
	width: 48px;
	height: 48px;
	border-radius: 14px;
	background: var(--color-sub);
	color: var(--color-main);
	font-weight: 800;
}

.tool-card__icon::before {
	content: "T";
}

.tool-card--apple .tool-card__icon::before {
	content: "Mac";
	font-size: 0.76rem;
}

.tool-card--cube .tool-card__icon::before {
	content: "<>";
}

.tool-card--chatgpt .tool-card__icon::before {
	content: "AI";
}

.tool-card--xserver .tool-card__icon::before {
	content: "XS";
}

.tool-card--nord .tool-card__icon::before {
	content: "N";
}

.tool-list--compact {
	display: grid;
	gap: 12px;
}

.tool-list--compact .tool-card {
	grid-template-columns: 34px 1fr;
	justify-items: start;
	gap: 10px;
	padding: 0;
	border: 0;
	box-shadow: none;
	text-align: left;
}

.tool-list--compact .tool-card:hover {
	transform: none;
	box-shadow: none;
}

.tool-list--compact .tool-card__icon {
	width: 34px;
	height: 34px;
	border-radius: 10px;
}

.category-count-list {
	display: grid;
	gap: 8px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.category-count-list a {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	color: var(--color-text);
	font-size: 0.9rem;
}

.category-count-list span::before {
	content: "・";
	color: var(--color-main);
}

.category-count-list em {
	color: var(--color-muted);
	font-style: normal;
	font-weight: 700;
}

.sidebar-search {
	padding: 16px;
}

.site-footer {
	margin-top: 72px;
	padding: 44px 0 24px;
	background: var(--color-white);
	border-top: 1px solid var(--color-border);
}

.site-footer__inner {
	display: grid;
	gap: 30px;
}

.site-footer__profile p,
.site-footer__nav a,
.site-footer__bottom {
	color: var(--color-muted);
	font-size: 0.9rem;
}

.site-footer__nav h2 {
	margin: 0 0 12px;
	font-size: 0.98rem;
}

.site-footer__nav li + li {
	margin-top: 8px;
}

.site-footer__bottom {
	margin-top: 34px;
	padding-top: 18px;
	border-top: 1px solid var(--color-border);
}

.search-form {
	display: flex;
	gap: 10px;
}

.search-form label {
	flex: 1;
}

.search-field {
	width: 100%;
	min-height: 44px;
	padding: 0 14px;
	background: var(--color-white);
	border: 1px solid var(--color-border);
	border-radius: 10px;
	color: var(--color-text);
}

.search-form button,
.wp-block-button__link {
	min-height: 44px;
	padding: 0 18px;
	background: var(--color-text);
	border: 1px solid var(--color-text);
	border-radius: 10px;
	color: var(--color-white);
	font-weight: 700;
	cursor: pointer;
}

.muted {
	color: var(--color-muted);
}

.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;
}

@media (min-width: 640px) {
	.post-grid,
	.archive-grid,
	.category-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

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

@media (min-width: 900px) {
	.container {
		width: min(100% - 72px, 1160px);
	}

    .sidebar {
	    top: 0;
    }
	.nav-toggle {
		display: none;
	}

	.primary-nav {
		display: block;
		position: static;
		padding: 0;
		background: transparent;
		border: 0;
		border-radius: 0;
		box-shadow: none;
	}

	.primary-nav ul {
		display: flex;
		align-items: center;
		gap: 28px;
	}

	.primary-nav li + li {
		margin-top: 0;
	}

	.layout-with-sidebar {
		grid-template-columns: minmax(0, 1fr) 292px;
		align-items: start;
	}

	.post-grid--latest {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}

	.category-grid {
		grid-template-columns: repeat(6, minmax(0, 1fr));
	}

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

	.site-footer__inner {
		grid-template-columns: 1.4fr 0.7fr 0.85fr 0.85fr 1fr;
	}
}