/* =========================================================================
   Geek theme — 記事本文の組版（Markdown の出力、Markdown エディタのプレビュー）
   ========================================================================= */

.geek-prose {
	--p-gap: 1.6em;
	font-size: clamp(1rem, .96rem + .2vw, 1.0625rem);
	line-height: 1.95;
	letter-spacing: .02em;
	color: var(--g-text, #1f2636);
	overflow-wrap: anywhere;
	line-break: strict;
}
.geek-prose > * { margin-block: 0; }
.geek-prose > * + * { margin-block-start: var(--p-gap); }

/* ---- 見出し ---------------------------------------------------------------- */

.geek-prose :is(h2, h3, h4) {
	position: relative;
	color: var(--g-heading, #0a1020);
	font-family: var(--wp--preset--font-family--display, inherit);
	font-weight: 800;
	letter-spacing: -.01em;
	scroll-margin-top: 96px;
}
.geek-prose h2 {
	font-size: clamp(1.4rem, 1.1rem + 1vw, 1.75rem);
	line-height: 1.4;
	margin-block-start: 3.2em;
	padding-bottom: .55em;
	border-bottom: 1px solid var(--g-line, #e2e6ef);
}
.geek-prose h2::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: -1px;
	width: 72px;
	height: 3px;
	border-radius: 3px;
	background: var(--g-grad, linear-gradient(120deg, #4f46e5, #8b5cf6, #0d9488));
}
.geek-prose h3 {
	font-size: clamp(1.15rem, 1.05rem + .4vw, 1.3rem);
	line-height: 1.5;
	margin-block-start: 2.4em;
	padding-left: .9rem;
}
.geek-prose h3::before {
	content: "";
	position: absolute;
	left: 0;
	top: .3em;
	bottom: .3em;
	width: 4px;
	border-radius: 4px;
	background: var(--g-grad, #6366f1);
}
.geek-prose h4 { font-size: 1.05rem; margin-block-start: 2em; }
.geek-prose :is(h2, h3, h4) + * { margin-block-start: 1em; }
.geek-prose > :first-child { margin-block-start: 0; }
.geek-prose .heading-anchor {
	margin-left: .4em;
	color: var(--g-muted, #8a94ab);
	opacity: 0;
	font-weight: 400;
	text-decoration: none !important;
	transition: opacity .15s;
}
.geek-prose :is(h2, h3, h4):hover .heading-anchor { opacity: 1; }

/* ---- 本文 ------------------------------------------------------------------ */

:where(.geek-prose p) { margin-block: 0; }
.geek-prose > p + p { margin-block-start: 1.15em; }
.geek-prose a:not(.link-card):not(.wp-element-button):not(.button) {
	color: var(--g-link, #4338ca);
	text-decoration: underline;
	text-decoration-color: color-mix(in srgb, currentColor 35%, transparent);
	text-decoration-thickness: 1px;
	text-underline-offset: .25em;
	transition: text-decoration-color .15s;
}
.geek-prose a:not(.link-card):hover { text-decoration-color: currentColor; }
.geek-prose a.is-external::after {
	content: "↗";
	display: inline-block;
	margin-left: .15em;
	font-size: .8em;
	text-decoration: none;
	opacity: .6;
}
.geek-prose strong { color: var(--g-heading, #0a1020); font-weight: 800; }
.geek-prose hr {
	border: 0;
	height: 1px;
	margin-block: 3em;
	background: linear-gradient(90deg, transparent, var(--g-line, #e2e6ef) 20%, var(--g-line, #e2e6ef) 80%, transparent);
}

/* マーカー：下半分だけ塗る */
.geek-prose mark {
	--m: 253, 224, 71;
	color: inherit;
	padding: 0 .1em;
	background: linear-gradient(transparent 58%, rgba(var(--m), .55) 58%);
	border-radius: 2px;
	-webkit-box-decoration-break: clone;
	box-decoration-break: clone;
}
.geek-prose mark.green { --m: 74, 222, 128; }
.geek-prose mark.blue { --m: 96, 165, 250; }
.geek-prose mark.red { --m: 251, 113, 133; }
:root[data-theme="dark"] .geek-prose mark { background: linear-gradient(transparent 58%, rgba(var(--m), .32) 58%); }
@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) .geek-prose mark { background: linear-gradient(transparent 58%, rgba(var(--m), .32) 58%); }
}

/* ---- リスト ----------------------------------------------------------------- */

.geek-prose :is(ul, ol) { padding-left: 1.5em; }
.geek-prose li + li, .geek-prose li > :is(ul, ol) { margin-top: .4em; }
.geek-prose ul > li::marker { color: var(--g-accent, #4f46e5); }
.geek-prose ol > li::marker { color: var(--g-accent, #4f46e5); font-family: var(--wp--preset--font-family--mono, monospace); font-weight: 700; font-size: .9em; }

/* 装飾リスト（{.check} など）を枠で囲む */
.geek-prose :is(ul, ol):is(.check, .point, .circle, .accent, .steps),
.geek-prose :is(ul, ol)[class*="is-style-sango-list"] {
	list-style: none;
	padding: 1.1em 1.4em;
	border: 1px solid var(--g-line, #e2e6ef);
	border-radius: 14px;
	background: var(--g-surface, #fff);
}
.geek-prose :is(.check, .point, .circle, .accent) > li,
.geek-prose [class*="is-style-sango-list"] > li { position: relative; padding-left: 1.8em; }
.geek-prose :is(.check, .point, .circle, .accent) > li::before,
.geek-prose [class*="is-style-sango-list"] > li::before {
	position: absolute;
	left: 0;
	top: .05em;
	font-weight: 700;
}
.geek-prose .check > li::before, .geek-prose .is-style-sango-list-check > li::before { content: "✓"; color: #10b981; }
.geek-prose .point > li::before, .geek-prose .is-style-sango-list-yubi > li::before { content: "→"; color: var(--g-accent, #4f46e5); }
.geek-prose .circle > li::before, .geek-prose .is-style-sango-list-circle > li::before { content: "●"; color: #8b5cf6; font-size: .7em; top: .45em; }
.geek-prose .accent > li::before, .geek-prose .is-style-sango-list-main-color > li::before {
	content: "";
	top: .75em;
	width: .55em;
	height: .55em;
	border-radius: 3px;
	background: var(--g-grad, #6366f1);
}
.geek-prose .accent, .geek-prose .is-style-sango-list-main-color { background: var(--g-grad-soft, #eef2ff) !important; border-color: transparent !important; }
.geek-prose ol.steps { counter-reset: step; }
.geek-prose ol.steps > li { position: relative; padding-left: 2.6em; counter-increment: step; min-height: 1.9em; }
.geek-prose ol.steps > li::before {
	content: counter(step);
	position: absolute;
	left: 0;
	top: .05em;
	display: grid;
	place-items: center;
	width: 1.75em;
	height: 1.75em;
	border-radius: 50%;
	background: var(--g-grad, #6366f1);
	color: #fff;
	font: 700 .85em var(--wp--preset--font-family--mono, monospace);
}

/* チェックリスト */
.geek-prose li:has(> input[type="checkbox"]) { list-style: none; margin-left: -1.3em; }
.geek-prose li > input[type="checkbox"] { margin-right: .5em; accent-color: var(--g-accent, #4f46e5); transform: translateY(1px); }

/* ---- 引用・注記 ----------------------------------------------------------------- */

.geek-prose blockquote {
	margin-inline: 0;
	padding: .9em 1.3em;
	border-left: 3px solid var(--g-line, #e2e6ef);
	color: var(--g-muted, #5d6679);
	font-style: normal;
}
.geek-prose blockquote > * + * { margin-top: .7em; }

.geek-prose .callout {
	--c: 99, 102, 241;
	position: relative;
	padding: 1.1em 1.3em 1.1em 1.3em;
	border: 1px solid rgba(var(--c), .3);
	border-left: 4px solid rgb(var(--c));
	border-radius: 12px;
	background: rgba(var(--c), .07);
	color: var(--g-text, #1f2636);
}
.geek-prose .callout-title {
	display: flex;
	align-items: center;
	gap: .5em;
	margin: 0 0 .35em;
	font-weight: 800;
	color: rgb(var(--c));
}
.geek-prose .callout-title::before {
	display: inline-grid;
	place-items: center;
	width: 1.4em;
	height: 1.4em;
	border-radius: 50%;
	background: rgb(var(--c));
	color: #fff;
	font: 800 .8em/1 var(--wp--preset--font-family--mono, monospace);
}
.geek-prose .callout-note { --c: 59, 130, 246; }
.geek-prose .callout-note .callout-title::before { content: "i"; }
.geek-prose .callout-tip { --c: 16, 185, 129; }
.geek-prose .callout-tip .callout-title::before { content: "✓"; }
.geek-prose .callout-important { --c: 139, 92, 246; }
.geek-prose .callout-important .callout-title::before { content: "!"; }
.geek-prose .callout-warning { --c: 245, 158, 11; }
.geek-prose .callout-warning .callout-title::before { content: "!"; }
.geek-prose .callout-caution { --c: 239, 68, 68; }
.geek-prose .callout-caution .callout-title::before { content: "×"; }
.geek-prose .callout > p:last-child { margin-bottom: 0; }

/* ---- コード ---------------------------------------------------------------- */

.geek-prose :not(pre) > code {
	padding: .15em .4em;
	border-radius: 6px;
	background: var(--g-surface-2, #f0f2f8);
	border: 1px solid var(--g-line, #e2e6ef);
	font: .86em var(--wp--preset--font-family--mono, monospace);
	color: var(--g-heading, #0a1020);
	letter-spacing: 0;
	word-break: break-all;
}
.geek-prose .code-block, .geek-prose pre.wp-block-code {
	position: relative;
	border-radius: 14px;
	background: #0b1020;
	border: 1px solid #1c2640;
	box-shadow: 0 20px 40px -28px rgba(2, 6, 23, .7);
	overflow: hidden;
}
.geek-prose .code-head {
	display: flex;
	align-items: center;
	gap: .75em;
	min-height: 40px;
	padding: 0 3.5rem 0 1rem;
	border-bottom: 1px solid #1c2640;
	background: #0e1529;
	font: .74rem var(--wp--preset--font-family--mono, monospace);
	color: #8a94ab;
}
.geek-prose .code-file { color: #e2e8f0; font-weight: 600; }
.geek-prose .code-file::before { content: "▸ "; color: #818cf8; }
.geek-prose .code-lang { margin-left: auto; letter-spacing: .06em; text-transform: uppercase; font-size: .68rem; }
.geek-prose .code-block pre, .geek-prose pre.wp-block-code {
	margin: 0;
	padding: 1.15rem 1.25rem;
	overflow-x: auto;
	background: transparent;
	color: #dbe4f3;
	font: .84rem/1.75 var(--wp--preset--font-family--mono, monospace);
	letter-spacing: 0;
	tab-size: 2;
	-webkit-overflow-scrolling: touch;
}
.geek-prose .code-block pre code { font: inherit; background: none; padding: 0; border: 0; color: inherit; white-space: pre; }
.geek-prose .code-copy {
	position: absolute;
	top: 6px;
	right: 8px;
	z-index: 2;
	height: 28px;
	padding: 0 .7rem;
	border: 1px solid #26314f;
	border-radius: 8px;
	background: #121a30;
	color: #a5b4cf;
	font: 600 .7rem var(--wp--preset--font-family--mono, monospace);
	cursor: pointer;
	opacity: .85;
}
.geek-prose .code-copy:hover { color: #fff; border-color: #818cf8; opacity: 1; }
.geek-prose .code-copy.is-copied { color: #4ade80; border-color: #22c55e; }
.geek-prose .code-block:not(:has(.code-head)) pre { padding-right: 4.5rem; }

/* 差分 */
.geek-prose .diff-add { display: inline-block; width: 100%; background: rgba(34, 197, 94, .14); box-shadow: -1.25rem 0 0 rgba(34, 197, 94, .14), 1.25rem 0 0 rgba(34, 197, 94, .14); }
.geek-prose .diff-del { display: inline-block; width: 100%; background: rgba(239, 68, 68, .14); box-shadow: -1.25rem 0 0 rgba(239, 68, 68, .14), 1.25rem 0 0 rgba(239, 68, 68, .14); opacity: .85; }

/* 色付け（highlight.php の hljs クラス） */
.hljs-comment, .hljs-quote { color: #6b7894; font-style: italic; }
.hljs-keyword, .hljs-selector-tag, .hljs-literal, .hljs-doctag, .hljs-meta .hljs-keyword { color: #c792ea; }
.hljs-string, .hljs-regexp, .hljs-addition, .hljs-meta .hljs-string { color: #c3e88d; }
.hljs-number, .hljs-symbol, .hljs-bullet { color: #f78c6c; }
.hljs-title, .hljs-title.function_, .hljs-section, .hljs-name { color: #82aaff; }
.hljs-title.class_, .hljs-type, .hljs-built_in, .hljs-class .hljs-title { color: #ffcb6b; }
.hljs-attr, .hljs-attribute, .hljs-variable, .hljs-template-variable, .hljs-property { color: #89ddff; }
.hljs-params { color: #d6deeb; }
.hljs-tag, .hljs-punctuation, .hljs-operator { color: #89ddff; }
.hljs-meta { color: #7fdbca; }
.hljs-deletion { color: #ff5370; }
.hljs-emphasis { font-style: italic; }
.hljs-strong { font-weight: 700; }
.hljs-link { text-decoration: underline; }

/* 図（Mermaid） */
.geek-prose pre.mermaid {
	padding: 1.5rem;
	border: 1px solid var(--g-line, #e2e6ef);
	border-radius: 14px;
	background: var(--g-surface, #fff);
	color: var(--g-muted, #5d6679);
	font: .8rem/1.6 var(--wp--preset--font-family--mono, monospace);
	text-align: left;
	overflow-x: auto;
}
.geek-prose pre.mermaid[data-processed] { text-align: center; }

/* ---- 画像・埋め込み ------------------------------------------------------------- */

.geek-prose .md-figure, .geek-prose figure.wp-block-image { margin-inline: 0; }
.geek-prose .md-figure img, .geek-prose figure.wp-block-image img {
	display: block;
	margin-inline: auto;
	border-radius: 14px;
	border: 1px solid var(--g-line, #e2e6ef);
	cursor: zoom-in;
}
.geek-prose figcaption {
	margin-top: .7em;
	text-align: center;
	color: var(--g-muted, #5d6679);
	font-size: .82rem;
}
.geek-prose .md-embed { margin-inline: 0; }
.geek-prose .md-embed iframe { width: 100%; height: auto; aspect-ratio: 16 / 9; border-radius: 14px; border: 0; }
.geek-prose .md-embed .twitter-tweet { margin-inline: auto !important; }

/* ---- 記事カード（URL だけの行） ---------------------------------------------------- */

.geek-prose .link-card {
	display: flex;
	align-items: stretch;
	gap: 0;
	overflow: hidden;
	border: 1px solid var(--g-line, #e2e6ef);
	border-radius: 16px;
	background: var(--g-surface, #fff);
	color: inherit;
	text-decoration: none !important;
	transition: border-color .2s, transform .2s, box-shadow .2s;
}
.geek-prose .link-card:hover { border-color: var(--g-accent, #4f46e5); transform: translateY(-2px); box-shadow: 0 20px 40px -24px rgba(79, 70, 229, .45); }
.geek-prose .link-card-body { display: flex; flex-direction: column; gap: .35em; flex: 1; min-width: 0; padding: 1em 1.2em; }
.geek-prose .link-card-title { color: var(--g-heading, #0a1020); font-weight: 800; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.geek-prose .link-card-desc { color: var(--g-muted, #5d6679); font-size: .82rem; line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.geek-prose .link-card-meta { display: flex; align-items: center; gap: .4em; margin-top: auto; color: var(--g-muted, #5d6679); font: .72rem var(--wp--preset--font-family--mono, monospace); }
.geek-prose .link-card-meta img { border-radius: 3px; }
.geek-prose .link-card.is-internal .link-card-meta::before { content: "geekfujiwara.com ·"; color: var(--g-accent, #4f46e5); font-weight: 600; }
.geek-prose .link-card-thumb { flex: 0 0 30%; max-width: 220px; aspect-ratio: 1.91; object-fit: cover; margin: 0; border: 0; border-radius: 0; align-self: stretch; height: auto !important; }
@media (max-width: 560px) {
	.geek-prose .link-card-thumb { flex-basis: 34%; }
	.geek-prose .link-card-desc { display: none; }
}

/* ---- 表 ------------------------------------------------------------------- */

.geek-prose .table-wrap, .geek-prose figure.wp-block-table {
	overflow-x: auto;
	border: 1px solid var(--g-line, #e2e6ef);
	border-radius: 14px;
	margin-inline: 0;
	-webkit-overflow-scrolling: touch;
}
.geek-prose table { width: 100%; border-collapse: collapse; font-size: .9rem; line-height: 1.7; }
.geek-prose :is(th, td) { padding: .75em 1em; border-bottom: 1px solid var(--g-line, #e2e6ef); text-align: left; vertical-align: top; }
.geek-prose th { background: var(--g-surface-2, #f0f2f8); color: var(--g-heading, #0a1020); font-weight: 700; }
/* WordPress の表の既定（文字色の縦線、見出しの下の太線）を消し、横線だけにする。 */
.geek-prose .wp-block-table :is(th, td) { border: 0; border-bottom: 1px solid var(--g-line, #e2e6ef); }
.geek-prose .wp-block-table :is(thead, tfoot) { border: 0; }
/* 狭い画面では列幅を中身に合わせ、狭すぎる列は横にスクロールさせる。 */
@media (max-width: 781px) {
	.geek-prose table.has-fixed-layout { table-layout: auto; }
	.geek-prose :is(th, td) { min-width: 6em; }
}
.geek-prose tr:last-child td { border-bottom: 0; }
.geek-prose tbody tr:hover td { background: color-mix(in srgb, var(--g-surface-2, #f0f2f8) 55%, transparent); }

/* ---- 折りたたみ・脚注・ボタン ------------------------------------------------------- */

.geek-prose details {
	border: 1px solid var(--g-line, #e2e6ef);
	border-radius: 12px;
	background: var(--g-surface, #fff);
	padding: 0 1.2em;
}
.geek-prose details > summary {
	padding: .9em 0;
	cursor: pointer;
	font-weight: 700;
	color: var(--g-heading, #0a1020);
	list-style: none;
}
.geek-prose details > summary::-webkit-details-marker { display: none; }
.geek-prose details > summary::before { content: "▸"; display: inline-block; margin-right: .6em; color: var(--g-accent, #4f46e5); transition: transform .2s; }
.geek-prose details[open] > summary::before { transform: rotate(90deg); }
.geek-prose details[open] { padding-bottom: 1.1em; }
.geek-prose details > :not(summary) + * { margin-top: 1em; }

.geek-prose .footnotes { margin-top: 4em; font-size: .84rem; color: var(--g-muted, #5d6679); }
.geek-prose .footnotes hr { margin-block: 0 1.5em; }
.geek-prose .footnote-ref { font-family: var(--wp--preset--font-family--mono, monospace); font-size: .75em; text-decoration: none !important; }
.geek-prose .footnote-ref::before { content: "["; }
.geek-prose .footnote-ref::after { content: "]"; }

.geek-prose a.button {
	display: inline-flex;
	align-items: center;
	gap: .4em;
	padding: .75em 1.5em;
	border-radius: 999px;
	background: var(--g-grad, #4f46e5);
	color: #fff !important;
	font-weight: 800;
	text-decoration: none !important;
	box-shadow: 0 12px 30px -12px rgba(79, 70, 229, .7);
	transition: transform .15s;
}
.geek-prose a.button:hover { transform: translateY(-2px); }
.geek-prose a.button::after { content: "→"; }
.geek-prose .has-text-align-center { text-align: center; }

/* ---- SANGO 時代のブロック（未変換の記事・同期パターン・スニペット）の互換 --------------------- */

.geek-prose .sgb-box-simple { border: 1px solid var(--g-line, #e2e6ef); border-radius: 14px; overflow: hidden; background: var(--g-surface, #fff); }
.geek-prose .sgb-box-simple__title { padding: .7em 1.2em; font-weight: 800; background: var(--g-grad, #4f46e5) !important; color: #fff !important; }
.geek-prose .sgb-box-simple__body { padding: 1.2em; background: transparent !important; border: 0 !important; }
.geek-prose .sgb-box-simple__body > * + * { margin-top: 1em; }
.geek-prose .wp-block-sgb-btn a.btn, .geek-prose a.btn {
	display: inline-block;
	padding: .7em 1.4em;
	border-radius: 999px !important;
	font-weight: 700;
	text-decoration: none !important;
}
.geek-prose [class*="is-style-sango-paragraph"] {
	padding: 1em 1.2em;
	border-left: 4px solid rgb(16, 185, 129);
	border-radius: 12px;
	background: rgba(16, 185, 129, .07);
}
.geek-prose .wp-block-sgb-say { display: flex; gap: 1em; align-items: flex-start; }
.geek-prose .sgb-say-text { position: relative; flex: 1; padding: 1em 1.2em; border-radius: 14px; background: var(--g-surface-2, #f0f2f8); }
.geek-prose .keiko_yellow { background: linear-gradient(transparent 58%, rgba(253, 224, 71, .55) 58%); }
.geek-prose .keiko_green { background: linear-gradient(transparent 58%, rgba(74, 222, 128, .45) 58%); }
.geek-prose .keiko_blue { background: linear-gradient(transparent 58%, rgba(96, 165, 250, .45) 58%); }
.geek-prose .keiko_red { background: linear-gradient(transparent 58%, rgba(251, 113, 133, .45) 58%); }

/* 画像の拡大表示 */
.geek-lightbox {
	position: fixed;
	inset: 0;
	z-index: 100;
	display: grid;
	place-items: center;
	padding: 4vw;
	background: rgba(2, 6, 23, .86);
	backdrop-filter: blur(6px);
	cursor: zoom-out;
	border: 0;
	max-width: none;
	max-height: none;
	width: 100%;
	height: 100%;
}
.geek-lightbox img { max-width: 100%; max-height: 100%; border-radius: 12px; box-shadow: 0 30px 80px rgba(0, 0, 0, .6); }