/*
 * ポートフォリオのスタイル。フレームワークなし、ビルドなし。
 * 色と余白は :root の変数で決める。
 */

:root {
	--color-accent: #2563eb; /* アクセントカラー。変えるのはここだけ */
	--color-text: #1f2933;
	--color-text-muted: #5b6672;
	--color-bg: #ffffff;
	--color-bg-muted: #f6f7f9;
	--color-border: #e2e5e9;

	--font-base: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif;
	--font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

	--width-container: 1040px;
	--width-narrow: 760px;
	--space-page: 1.25rem;
	--radius: 8px;
}

/* ---------- 基本 ---------- */

*,
*::before,
*::after {
	box-sizing: border-box;
}

body {
	margin: 0;
	background: var(--color-bg);
	color: var(--color-text);
	font-family: var(--font-base);
	font-size: 1rem;
	line-height: 1.8;
	overflow-wrap: anywhere;
	-webkit-text-size-adjust: 100%;
}

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

a {
	color: var(--color-accent);
	text-underline-offset: 0.2em;
}

a:hover {
	text-decoration-thickness: 2px;
}

:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 2px;
}

h1,
h2,
h3 {
	line-height: 1.4;
}

code {
	padding: 0.1em 0.4em;
	border-radius: 4px;
	background: var(--color-bg-muted);
	font-family: var(--font-mono);
	font-size: 0.95em;
}

.skip-link {
	position: absolute;
	left: -9999px;
}

.skip-link:focus {
	left: 0.5rem;
	top: 0.5rem;
	z-index: 10;
	padding: 0.5rem 1rem;
	background: var(--color-bg);
}

/* ---------- 枠組み ---------- */

.container {
	width: 100%;
	max-width: var(--width-container);
	margin-inline: auto;
	padding-inline: var(--space-page);
}

.container--narrow {
	max-width: var(--width-narrow);
}

.site-main {
	min-height: 60vh;
	padding-bottom: 4rem;
}

.site-header {
	border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem 1.5rem;
	padding-block: 1rem;
}

.site-header__name {
	color: var(--color-text);
	font-weight: 700;
	font-size: 1.125rem;
	text-decoration: none;
}

.site-nav {
	display: flex;
	gap: 1.5rem;
}

.site-nav a {
	color: var(--color-text);
	text-decoration: none;
}

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

.site-footer {
	border-top: 1px solid var(--color-border);
	color: var(--color-text-muted);
	font-size: 0.9375rem;
}

.site-footer__inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem 1.5rem;
	padding-block: 2rem;
}

.site-footer__links {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem 1.5rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.site-footer__copy {
	margin: 0;
}

/* ---------- 共通の部品 ---------- */

.section {
	padding-block: 3rem;
}

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

.section__title {
	margin: 0 0 1.5rem;
	font-size: 1.5rem;
}

.button {
	display: inline-block;
	padding: 0.6rem 1.4rem;
	border-radius: var(--radius);
	background: var(--color-accent);
	color: #ffffff;
	font-weight: 700;
	text-decoration: none;
}

.button:hover {
	filter: brightness(0.92);
}

.tag-list {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.tag {
	padding: 0.1rem 0.6rem;
	border: 1px solid var(--color-border);
	border-radius: 999px;
	background: var(--color-bg);
	color: var(--color-text-muted);
	font-size: 0.8125rem;
	line-height: 1.6;
}

.page-header {
	padding-block: 3rem 1.5rem;
}

.page-header__title {
	margin: 0;
	font-size: clamp(1.75rem, 4vw, 2.25rem);
}

.page-header__title a {
	color: inherit;
	text-decoration: none;
}

.page-header__lead {
	margin: 0.75rem 0 0;
	color: var(--color-text-muted);
	font-size: 1.0625rem;
}

/* ---------- トップ ---------- */

.hero {
	padding-block: 4.5rem 2rem;
}

.hero__title {
	margin: 0;
	font-size: clamp(2rem, 6vw, 3rem);
}

.hero__intro {
	max-width: 36em;
	margin: 1rem 0 0;
	color: var(--color-text-muted);
	font-size: 1.125rem;
}

.work-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
	gap: 1.5rem;
}

.work-card {
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	background: var(--color-bg);
	overflow: hidden;
	transition: border-color 0.15s, box-shadow 0.15s;
}

.work-card:hover,
.work-card:focus-within {
	border-color: var(--color-accent);
	box-shadow: 0 4px 16px rgb(0 0 0 / 0.06);
}

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

.work-card__image {
	aspect-ratio: 16 / 10;
	border-bottom: 1px solid var(--color-border);
	background: var(--color-bg-muted);
}

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

.work-card__body {
	padding: 1rem 1.25rem 1.25rem;
}

.work-card__title {
	margin: 0;
	font-size: 1.125rem;
}

.work-card__excerpt {
	margin: 0.4rem 0 0.9rem;
	color: var(--color-text-muted);
	font-size: 0.9375rem;
	line-height: 1.7;
}

/* ---------- 作品詳細 ---------- */

.work__meta {
	margin-bottom: 2rem;
}

.work__meta-title,
.demo-box__title {
	margin: 0 0 0.6rem;
	font-size: 1rem;
}

.demo-box {
	margin-bottom: 2.5rem;
	padding: 1.25rem 1.5rem;
	border: 1px solid var(--color-border);
	border-left: 4px solid var(--color-accent);
	border-radius: var(--radius);
	background: var(--color-bg-muted);
}

.demo-box__list {
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.15rem 1.5rem;
	margin: 0;
}

.demo-box__list dt {
	color: var(--color-text-muted);
	font-size: 0.875rem;
}

.demo-box__list dd {
	margin: 0 0 0.6rem;
}

.demo-box__list dd:last-child {
	margin-bottom: 0;
}

.demo-box__list code {
	background: var(--color-bg);
}

@media (min-width: 600px) {
	.demo-box__list {
		grid-template-columns: max-content 1fr;
		gap: 0.6rem 1.5rem;
		align-items: baseline;
	}

	.demo-box__list dd {
		margin: 0;
	}
}

.work__footer {
	margin-top: 3rem;
	padding-top: 1.5rem;
	border-top: 1px solid var(--color-border);
}

/* ---------- 本文（ブロックエディターで書いた内容） ---------- */
/* ブロックそのものの見た目は WordPress の CSS に任せ、ここでは余白と見出しだけ整える */

.entry-content > * {
	margin-block: 0 1.25rem;
}

.entry-content > h2 {
	margin-top: 3rem;
	padding-bottom: 0.4rem;
	border-bottom: 1px solid var(--color-border);
	font-size: 1.375rem;
}

.entry-content > h3 {
	margin-top: 2rem;
	font-size: 1.125rem;
}

.entry-content li + li {
	margin-top: 0.3rem;
}

.entry-content .wp-block-image img {
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
}

.entry-content figcaption {
	color: var(--color-text-muted);
	font-size: 0.875rem;
	text-align: center;
}