/*
Theme Name: saekomo
Description: saekomoのポートフォリオ用オリジナルテーマ。「美しく組版された一冊の資料」をコンセプトに、紙白・墨・藍の三色と、明朝＋ゴシック＋等幅の文字組みだけで構成しています。
Version: 1.0.0
Author: saekomo
Text Domain: saekomo
*/

/* ---------------------------------------------------------------
   1. 設計トークン（色・書体・余白）
--------------------------------------------------------------- */
:root {
	--paper: #fcfcfa;      /* 紙白 */
	--ink: #211f1c;        /* 墨 */
	--gray: #6e6a63;       /* 鼠 */
	--keiline: #dfdbd4;    /* 罫線 */
	--ai: #30508c;         /* 藍 */
	--shiraai: #eef2f8;    /* 白藍（藍のごく薄い下地） */

	--font-mincho: "Shippori Mincho", "Hiragino Mincho ProN", serif;
	--font-gothic: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;
	--font-mono: "IBM Plex Mono", "Consolas", monospace;

	--measure: 1080px;
	--pad: clamp(20px, 4.5vw, 48px);
}

/* ---------------------------------------------------------------
   2. 土台
--------------------------------------------------------------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
}

body {
	background: var(--paper);
	color: var(--ink);
	font-family: var(--font-gothic);
	font-size: 15px;
	line-height: 2;
	letter-spacing: 0.04em;
	font-feature-settings: "palt";
	-webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

::selection { background: var(--shiraai); color: var(--ai); }

.wrap {
	max-width: var(--measure);
	margin: 0 auto;
	padding-left: var(--pad);
	padding-right: var(--pad);
}

/* 印刷物の「二重罫」— ページ最上部と最下部の署名的ディテール */
.rule-double {
	border-top: 2px solid var(--ink);
	position: relative;
}
.rule-double::after {
	content: "";
	display: block;
	border-top: 1px solid var(--ink);
	margin-top: 2px;
}

/* キーボード操作時のフォーカス表示 */
a:focus-visible,
button:focus-visible {
	outline: 2px solid var(--ai);
	outline-offset: 3px;
}

/* ---------------------------------------------------------------
   3. ヘッダー
--------------------------------------------------------------- */
.site-header { padding-top: 10px; }
.site-header .rule-double { margin: 0 auto; max-width: calc(var(--measure) - var(--pad) * 2); }

.header-inner {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 24px;
	padding-top: 26px;
	padding-bottom: 26px;
	flex-wrap: wrap;
}

.brand { display: inline-flex; align-items: baseline; gap: 14px; }

.brand-mark {
	font-family: var(--font-mincho);
	font-weight: 500;
	font-size: 24px;
	letter-spacing: 0.14em;
	color: var(--ink);
}

.brand-role {
	font-family: var(--font-mono);
	font-size: 11px;
	letter-spacing: 0.12em;
	color: var(--gray);
}

.site-nav ul {
	list-style: none;
	display: flex;
	gap: clamp(18px, 3vw, 36px);
}

.site-nav a {
	font-size: 13.5px;
	letter-spacing: 0.14em;
	padding-bottom: 4px;
	border-bottom: 1px solid transparent;
	transition: border-color 0.25s ease, color 0.25s ease;
}
.site-nav a:hover { color: var(--ai); border-bottom-color: var(--ai); }

/* ---------------------------------------------------------------
   4. ヒーロー（表紙）
--------------------------------------------------------------- */
.hero {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: clamp(32px, 7vw, 96px);
	padding-top: clamp(48px, 9vh, 110px);
	padding-bottom: clamp(56px, 10vh, 130px);
	align-items: start;
}

.hero-title {
	font-family: var(--font-mincho);
	font-weight: 500;
	font-size: clamp(30px, 4.6vw, 46px);
	line-height: 1.9;
	letter-spacing: 0.22em;
	writing-mode: vertical-rl;
	min-height: clamp(280px, 46vh, 460px);
	color: var(--ink);
}

.hero-body { max-width: 34em; padding-top: 6px; }

.hero-lede {
	font-size: 15.5px;
	line-height: 2.35;
	color: var(--ink);
}
.hero-lede + .hero-lede { margin-top: 1.4em; color: var(--gray); }

/* 目次 — このサイトの署名要素 */
.toc { margin-top: clamp(36px, 6vh, 64px); }

.toc-label {
	font-family: var(--font-mono);
	font-size: 11px;
	letter-spacing: 0.22em;
	color: var(--ai);
	border-top: 1px solid var(--ink);
	padding-top: 10px;
	display: block;
}

.toc ol { list-style: none; margin-top: 14px; }

.toc-row {
	display: flex;
	align-items: baseline;
	gap: 12px;
	padding: 11px 2px;
	font-size: 15px;
	letter-spacing: 0.1em;
	border-bottom: 1px solid var(--keiline);
	transition: color 0.25s ease;
}
.toc-row:hover { color: var(--ai); }

.toc-num {
	font-family: var(--font-mincho);
	font-size: 14px;
	color: var(--gray);
	transition: color 0.25s ease;
}
.toc-row:hover .toc-num { color: var(--ai); }

.toc-leader {
	flex: 1;
	border-bottom: 1px dotted var(--gray);
	transform: translateY(-4px);
	opacity: 0.55;
}

.toc-en {
	font-family: var(--font-mono);
	font-size: 11px;
	letter-spacing: 0.16em;
	color: var(--gray);
}

/* ---------------------------------------------------------------
   5. セクション見出し（章扉）
--------------------------------------------------------------- */
.section { padding-bottom: clamp(72px, 12vh, 140px); }

.section-head {
	display: flex;
	align-items: baseline;
	gap: 16px;
	border-top: 1px solid var(--ink);
	padding-top: 14px;
	margin-bottom: clamp(36px, 6vh, 64px);
}

.section-num {
	font-family: var(--font-mincho);
	font-size: 15px;
	color: var(--ai);
	letter-spacing: 0.1em;
}

.section-title {
	font-family: var(--font-mincho);
	font-weight: 500;
	font-size: clamp(21px, 2.6vw, 27px);
	letter-spacing: 0.18em;
}

.section-en {
	font-family: var(--font-mono);
	font-size: 11px;
	letter-spacing: 0.2em;
	color: var(--gray);
	margin-left: auto;
}

/* ---------------------------------------------------------------
   6. 作品一覧（図版カタログ）
--------------------------------------------------------------- */
.works-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	column-gap: clamp(28px, 5vw, 64px);
	row-gap: clamp(48px, 8vh, 88px);
}

.work-card { display: block; }

.work-plate {
	border: 1px solid var(--keiline);
	background: #fff;
	padding: clamp(10px, 1.6vw, 18px);
	transition: border-color 0.3s ease, transform 0.3s ease;
}
.work-plate img {
	width: 100%;
	aspect-ratio: 4 / 3;
	object-fit: cover;
}
.work-card:hover .work-plate {
	border-color: var(--ai);
	transform: translateY(-3px);
}

.work-caption { padding-top: 16px; }

.work-meta-line {
	font-family: var(--font-mono);
	font-size: 11px;
	letter-spacing: 0.16em;
	color: var(--ai);
}

.work-title {
	font-family: var(--font-mincho);
	font-weight: 500;
	font-size: 17.5px;
	letter-spacing: 0.1em;
	margin-top: 7px;
	line-height: 1.7;
}
.work-card:hover .work-title { text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 1px; }

.work-year {
	font-family: var(--font-mono);
	font-size: 11px;
	color: var(--gray);
	margin-top: 5px;
	letter-spacing: 0.12em;
}

.works-more { margin-top: clamp(40px, 7vh, 72px); text-align: right; }

/* 作品一覧の目次（各カテゴリへジャンプ） */
.works-toc {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 10px 12px;
	margin-bottom: clamp(48px, 8vh, 88px);
}
.works-toc-label {
	font-family: var(--font-mono);
	font-size: 11px;
	letter-spacing: 0.22em;
	color: var(--ai);
	margin-right: 10px;
}
.works-toc-item {
	display: inline-flex;
	align-items: baseline;
	gap: 8px;
	font-size: 13px;
	letter-spacing: 0.1em;
	padding: 7px 14px;
	border: 1px solid var(--keiline);
	background: #fff;
	transition: color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.works-toc-item:hover {
	color: var(--ai);
	border-color: var(--ai);
	transform: translateY(-1px);
}
.works-toc-count {
	font-family: var(--font-mono);
	font-size: 10.5px;
	letter-spacing: 0.14em;
	color: var(--ai);
}
.works-group { scroll-margin-top: 24px; }

/* 作品一覧のカテゴリ章立て */
.works-group { margin-bottom: clamp(64px, 10vh, 120px); }
.works-group:last-of-type { margin-bottom: 0; }
.works-group-head {
	display: flex;
	align-items: baseline;
	gap: 14px;
	border-top: 1px solid var(--keiline);
	padding-top: 12px;
	margin-bottom: clamp(28px, 4vh, 44px);
}
.works-group-title {
	font-family: var(--font-mincho);
	font-weight: 500;
	font-size: 17.5px;
	letter-spacing: 0.16em;
}
.works-group-count {
	font-family: var(--font-mono);
	font-size: 11px;
	letter-spacing: 0.18em;
	color: var(--gray);
	margin-left: auto;
}

.text-link {
	font-size: 14px;
	letter-spacing: 0.14em;
	border-bottom: 1px solid var(--ink);
	padding-bottom: 3px;
	transition: color 0.25s ease, border-color 0.25s ease;
}
.text-link:hover { color: var(--ai); border-bottom-color: var(--ai); }

/* ---------------------------------------------------------------
   7. 作品詳細（図版と仕様欄）
--------------------------------------------------------------- */
.work-single { padding-top: clamp(36px, 6vh, 64px); }

.work-single-head { margin-bottom: clamp(28px, 5vh, 48px); }

.work-single-title {
	font-family: var(--font-mincho);
	font-weight: 500;
	font-size: clamp(24px, 3.4vw, 34px);
	letter-spacing: 0.14em;
	line-height: 1.8;
	margin-top: 10px;
}

.work-single .work-plate { margin-bottom: clamp(32px, 6vh, 56px); }
.work-single .work-plate img { aspect-ratio: auto; }
.work-card .work-plate img { background: var(--shiraai); }

/* 仕様欄 — 印刷物の奥付のように */
.spec { margin-bottom: clamp(36px, 6vh, 60px); }

.spec-label {
	font-family: var(--font-mono);
	font-size: 11px;
	letter-spacing: 0.22em;
	color: var(--ai);
	border-top: 1px solid var(--ink);
	padding-top: 10px;
	display: block;
	margin-bottom: 6px;
}

.spec table { width: 100%; border-collapse: collapse; }

.spec th,
.spec td {
	text-align: left;
	font-weight: 400;
	padding: 12px 4px;
	border-bottom: 1px solid var(--keiline);
	vertical-align: top;
	font-size: 14.5px;
	line-height: 1.9;
}
.spec th {
	width: 9em;
	font-family: var(--font-mono);
	font-size: 12px;
	letter-spacing: 0.1em;
	color: var(--gray);
	white-space: nowrap;
}

/* 文章は読みやすい幅に、画像はページ幅いっぱいに */
.work-content p,
.work-content ul,
.work-content ol,
.work-content h2,
.work-content h3 { max-width: 40em; }
.work-content p + p { margin-top: 1.5em; }

/* 本文に貼った画像は「図版の台紙」風。原寸以上・画面縦幅以上には拡大しない */
.work-content figure.wp-block-image { margin: 2.2em 0; }
.work-content img {
	border: 1px solid var(--keiline);
	background: #fff;
	padding: clamp(8px, 1.4vw, 14px);
	width: auto;
	max-width: 100%;
	max-height: 76vh;
	height: auto;
	display: block;
	cursor: zoom-in;
}
.work-content figcaption {
	font-family: var(--font-mono);
	font-size: 11px;
	letter-spacing: 0.14em;
	color: var(--gray);
	margin-top: 10px;
}

/* 画像が2枚以上あるときはサムネイルのグリッドに（クリックで拡大） */
.work-gallery {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: clamp(16px, 2.5vw, 28px);
	margin-top: 2.6em;
	max-width: none;
}
.work-gallery figure.wp-block-image { margin: 0; }
.work-gallery img {
	width: 100%;
	max-height: none;
	aspect-ratio: 4 / 3;
	object-fit: contain;
	transition: border-color 0.25s ease;
}
.work-gallery figure:hover img { border-color: var(--ai); }
@media (min-width: 900px) {
	.work-gallery { grid-template-columns: repeat(3, 1fr); }
}

/* 拡大表示（ライトボックス） */
.lb {
	position: fixed;
	inset: 0;
	z-index: 1000;
	background: rgba(24, 23, 20, 0.93);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
}
.lb[hidden] { display: none; }
.lb img {
	max-width: 90vw;
	max-height: 84vh;
	width: auto;
	height: auto;
	background: #fff;
	padding: 10px;
	box-sizing: border-box;
}
.lb-cap {
	color: #ccc9c2;
	font-family: var(--font-mono);
	font-size: 12px;
	letter-spacing: 0.12em;
	margin-top: 16px;
}
.lb-btn {
	position: absolute;
	background: none;
	border: none;
	color: #f5f3ee;
	font-size: 36px;
	line-height: 1;
	padding: 14px 18px;
	cursor: pointer;
	font-family: var(--font-mincho);
}
.lb-btn:hover { color: #fff; }
.lb-close { top: 10px; right: 12px; }
.lb-prev { left: 6px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 6px; top: 50%; transform: translateY(-50%); }

/* 制作予定の枠（点線の台紙） */
.work-card--planned .work-plate {
	border-style: dashed;
	border-color: #c8c3ba;
	background: transparent;
}
.planned-plate-inner {
	aspect-ratio: 4 / 3;
	display: flex;
	align-items: center;
	justify-content: center;
	background: #faf9f5;
}
.planned-mark {
	font-family: var(--font-mono);
	font-size: 11px;
	letter-spacing: 0.26em;
	color: var(--ai);
	border: 1px solid currentColor;
	padding: 6px 14px;
}
.work-card--planned .work-title { color: var(--gray); }
.planned-hint {
	font-size: 12.5px;
	color: var(--gray);
	margin-top: 6px;
	line-height: 1.9;
}

.work-back { margin-top: clamp(44px, 7vh, 72px); }

/* ---------------------------------------------------------------
   8. プロフィール
--------------------------------------------------------------- */
.profile-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
	gap: clamp(32px, 6vw, 80px);
	align-items: start;
}

.profile-name {
	font-family: var(--font-mincho);
	font-size: 21px;
	letter-spacing: 0.16em;
	margin-bottom: 4px;
}

.profile-name-en {
	font-family: var(--font-mono);
	font-size: 11px;
	letter-spacing: 0.2em;
	color: var(--gray);
	display: block;
	margin-bottom: 22px;
}

.profile-text { color: var(--ink); max-width: 32em; }
.profile-text p + p { margin-top: 1.4em; }
.profile-text .note { color: var(--gray); font-size: 13.5px; }

/* ---------------------------------------------------------------
   9. 連絡先
--------------------------------------------------------------- */
.contact-lede { max-width: 36em; margin-bottom: 28px; }

.contact-mail {
	font-family: var(--font-mono);
	font-size: clamp(17px, 2.4vw, 22px);
	letter-spacing: 0.08em;
	border-bottom: 1px solid var(--ink);
	padding-bottom: 4px;
	transition: color 0.25s ease, border-color 0.25s ease;
}
.contact-mail:hover { color: var(--ai); border-bottom-color: var(--ai); }

.contact-note { margin-top: 20px; font-size: 13px; color: var(--gray); }

/* ---------------------------------------------------------------
   10. 固定ページ汎用
--------------------------------------------------------------- */
.page-body { padding-top: clamp(36px, 6vh, 64px); }
.page-title {
	font-family: var(--font-mincho);
	font-weight: 500;
	font-size: clamp(24px, 3.4vw, 32px);
	letter-spacing: 0.16em;
	margin-bottom: clamp(28px, 5vh, 48px);
}
.page-content { max-width: 40em; }
.page-content p + p { margin-top: 1.5em; }
.page-content h2 {
	font-family: var(--font-mincho);
	font-weight: 500;
	font-size: 20px;
	letter-spacing: 0.14em;
	margin: 2.2em 0 0.9em;
	border-top: 1px solid var(--ink);
	padding-top: 0.8em;
}
.page-content ul, .page-content ol { padding-left: 1.4em; margin: 1em 0; }

/* ---------------------------------------------------------------
   11. フッター（奥付）
--------------------------------------------------------------- */
.site-footer { padding-bottom: 12px; }
.site-footer .rule-double { max-width: calc(var(--measure) - var(--pad) * 2); margin: 0 auto; transform: rotate(180deg); }

.footer-inner {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	gap: 16px;
	padding-top: 22px;
	padding-bottom: 22px;
	flex-wrap: wrap;
}

.footer-colophon {
	font-family: var(--font-mono);
	font-size: 11px;
	letter-spacing: 0.16em;
	color: var(--gray);
}

.footer-brand {
	font-family: var(--font-mincho);
	font-size: 14px;
	letter-spacing: 0.16em;
}

/* ---------------------------------------------------------------
   12. 動き（控えめに一度だけ）
--------------------------------------------------------------- */
.reveal {
	opacity: 0;
	transform: translateY(14px);
	transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
	.reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------------------------------------------------------------
   13. モバイル
--------------------------------------------------------------- */
@media (max-width: 760px) {
	.hero { grid-template-columns: 1fr; gap: 36px; }
	.hero-title {
		writing-mode: horizontal-tb;
		min-height: 0;
		line-height: 1.75;
		letter-spacing: 0.16em;
	}
	.works-grid { grid-template-columns: 1fr; row-gap: 52px; }
	.profile-grid { grid-template-columns: 1fr; }
	.section-en { display: none; }
}