/*
Theme Name: OYKZINE
Theme URI: https://oykzine.example
Author: OYKZINE
Description: OYKZINE — 紙のZINEのWeb版テーマ。号(issue) / Notes(note) / 作品(work) の3つの型でコンテンツを管理します。
Version: 0.7.0
Text Domain: oykzine
*/

/* ここは「土台」の最低限のリセットだけ。
   本格的なデザインは次のステップで部品ごとに作っていきます。 */

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

html,
body {
  margin: 0;
  padding: 0;
}

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

a {
  color: inherit;
}

/* =====================================================================
   トップページ（front-page.php）用スタイル
   OYKZINE = 高コントラストの黒×白。主役は「流れる表紙」。
   ===================================================================== */

:root {
  --oyk-ink: #0a0a0a;
  --oyk-paper: #ffffff;
  --oyk-line: #111111;
  --oyk-muted: #6b6b6b;
}

body {
  background: var(--oyk-paper);
  color: var(--oyk-ink);
  font-family: "Afacad", "Afacad Flux", "Yu Gothic", YuGothic, "游ゴシック", "Hiragino Kaku Gothic ProN", sans-serif;
  -webkit-font-smoothing: antialiased;
  /* 下部固定ナビの高さぶん余白を確保 */
  padding-bottom: calc(96px + env(safe-area-inset-bottom));
}

/* ---- マストヘッド（ロゴ） ---- */
.oyk-masthead {
  text-align: center;
  padding: 28px 20px 18px;
}
.oyk-masthead__logo img {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  max-width: 600px;   /* PCでの最大の大きさ。これ以上は大きくならない */
  margin: 0 auto;     /* PCで上限に達したとき中央に置く */
}
.oyk-masthead__logo a,
.oyk-masthead__logo .custom-logo-link {
  display: block;
  width: 100%;
}
.oyk-masthead__tagline {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--oyk-muted);
}
.oyk-masthead__logo {
  margin: 6px 0 2px;
  font-size: clamp(40px, 13vw, 84px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 0.9;
  font-style: italic;
}
.oyk-masthead__sub {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.5em;
  color: var(--oyk-ink);
}

/* ---- 流れる表紙の帯 ---- */
.oyk-strip {
  overflow: hidden;
  padding: 14px 0 26px;
  cursor: grab;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.oyk-strip::-webkit-scrollbar { display: none; }
.oyk-strip:active { cursor: grabbing; }
.oyk-strip__track {
  display: flex;
  gap: 14px;
  width: max-content;
  padding: 0 14px;
}
.oyk-strip__item {
  flex: 0 0 auto;
  width: 150px;
  aspect-ratio: 210 / 297;
  background: #e9e9e9;
  overflow: hidden;
  text-decoration: none;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.10);   /* ← うっすい影。輪郭が出る */
}
.oyk-strip__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.oyk-strip__placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-weight: 700;
  color: var(--oyk-muted);
  padding: 8px;
  text-align: center;
}

/* ---- 最新号ヒーロー（全幅） ---- */
.oyk-hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: flex-end;
  background-color: var(--oyk-ink);
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.oyk-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.65) 100%);
}
.oyk-hero__inner {
  position: relative;
  padding: 0 24px 48px;
  width: 100%;
}
.oyk-hero__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.3em;
}
.oyk-hero__title {
  margin: 0 0 18px;
  font-size: clamp(32px, 9vw, 52px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: 0.05em;
}
.oyk-hero__lead {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.7;
  max-width: 32em;
}
.oyk-hero__btn {
  display: block;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.7);
  color: #fff;
  text-decoration: none;
  padding: 14px;
  font-size: 13px;
  letter-spacing: 0.15em;
  transition: background 0.2s, color 0.2s;
}
.oyk-hero__btn:hover {
  background: #fff;
  color: var(--oyk-ink);
}

/* ---- NOTES ---- */
/* ===== Notes 一覧（ホーム＆一覧ページ共通）===== */
/* モバイル：大きめサムネ左 ＋ カテゴリ・タイトル・抜粋・日付 */
.oyk-notes {
  margin: 48px 0;
  padding: 0 18px;
}
.oyk-notes__heading {
  margin: 0 0 22px;
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 0.06em;
}
.oyk-notes__list {
  display: flex;
  flex-direction: column;
  gap: 34px;
}
.oyk-note {
  display: grid;
  grid-template-columns: 38% 1fr;
  gap: 18px;
  text-decoration: none;
  color: inherit;
}
.oyk-note__thumb {
  display: block;
  aspect-ratio: 1 / 1;
  background: #e9e9e9;
  overflow: hidden;
}
.oyk-note__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.oyk-note__body { display: flex; flex-direction: column; min-width: 0; }
.oyk-note__cat {
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--oyk-muted);
}
.oyk-note__title {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.4;
  margin: 8px 0 0;
}
.oyk-note__excerpt {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--oyk-muted);
  margin-top: 8px;
}
.oyk-note__date {
  font-size: 12px;
  color: var(--oyk-muted);
  margin-top: 14px;
  align-self: flex-end;
}

/* PC：画像が上に乗ったカードを並べる（大きく・わかりやすく） */
@media (min-width: 768px) {
  .oyk-notes__list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 44px 28px;
  }
  .oyk-note { display: flex; flex-direction: column; }
  .oyk-note__thumb { width: 100%; aspect-ratio: 4 / 3; }
  .oyk-note__body { flex: 1; }
  .oyk-note__cat { margin-top: 14px; }
  .oyk-note__title { font-size: 18px; margin-top: 10px; }
  .oyk-note__date { margin-top: auto; padding-top: 12px; }
}
.oyk-notes__more {
  display: block;
  text-align: center;
  margin-top: 28px;
  padding: 16px;
  border: 0;
  border-top: 1px solid var(--oyk-ink);
  color: inherit;
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.12em;
}
.oyk-notes__more:hover { background: var(--oyk-ink); color: #fff; }

@media (prefers-reduced-motion: reduce) {
  .oyk-strip { overflow-x: auto; }
}

/* =====================================================================
   号ページの目次（single-issue.php）と 記事ページ（single-article.php）
   ===================================================================== */

/* ===== 号ページ（目次）===== */

/* 号の導入文（畳んで read more で開く） */
.oyk-issue__intro {
  max-width: 640px;
  margin: 0 auto;
  padding: 26px 22px 0;
}
.oyk-issue__intro-body {
  position: relative;
  overflow: hidden;
  max-height: 8.5em;
  font-size: 14px;
  line-height: 2.0;
  color: #2a2a2a;
}
.oyk-issue__intro-body::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3em;
  background: linear-gradient(180deg, rgba(255,255,255,0), #fff);
  pointer-events: none;
}
.oyk-issue__intro.is-open .oyk-issue__intro-body { max-height: none; }
.oyk-issue__intro.is-open .oyk-issue__intro-body::after { display: none; }
.oyk-issue__intro-body p { margin: 0 0 1.2em; }
.oyk-issue__more {
  display: block;
  margin: 12px auto 0;
  background: none;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  font-size: 14px;
  color: var(--oyk-ink);
}
.oyk-issue__more-ico {
  font-style: normal;
  display: inline-block;
  transition: transform 0.2s;
}
.oyk-issue__more[aria-expanded="true"] .oyk-issue__more-ico { transform: rotate(180deg); }

/* 目次本体 */
.oyk-toc {
  max-width: 640px;
  margin: 0 auto;
  padding: 28px 22px 40px;
}
.oyk-toc__group { margin-bottom: 26px; }
.oyk-toc__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 4px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.24em;
}
.oyk-toc__bar { width: 28px; height: 3px; background: var(--oyk-ink); }
.oyk-toc__items {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: toc;
}
.oyk-toc__item { border-bottom: 1px dotted #c2c2c2; }
.oyk-toc__link {
  display: grid;
  grid-template-columns: 1fr 18px;
  gap: 12px;
  align-items: center;
  padding: 14px 2px;
  text-decoration: none;
  color: inherit;
}
.oyk-toc__items--num .oyk-toc__link { grid-template-columns: 2.4em 1fr 18px; }
.oyk-toc__items--num .oyk-toc__link::before {
  counter-increment: toc;
  content: counter(toc, decimal-leading-zero);
  font-size: 14px;
  font-weight: 800;
  color: #b3b3b3;
}
.oyk-toc__title { display: block; font-size: 17px; font-weight: 800; line-height: 1.45; }
.oyk-toc__sub { display: block; margin-top: 4px; font-size: 12px; line-height: 1.7; color: #8c8c8c; }
.oyk-toc__badge {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  border: 1px solid #cfcfcf;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: #8c8c8c;
  vertical-align: 2px;
}
.oyk-toc__arrow {
  width: 12px;
  height: 12px;
  justify-self: end;
  border-top: 1.5px solid var(--oyk-ink);
  border-right: 1.5px solid var(--oyk-ink);
  transform: rotate(45deg);
}
.oyk-toc__empty {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 22px;
  font-size: 14px;
  line-height: 1.9;
  color: #8c8c8c;
}

/* ---- 記事ページ ---- */
.oyk-article {
  max-width: 680px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}
.oyk-article__issue {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--oyk-muted);
  text-decoration: none;
}
.oyk-article__issue:hover {
  color: var(--oyk-ink);
}
.oyk-article__title {
  margin: 0 0 24px;
  font-size: clamp(28px, 7vw, 44px);
  font-weight: 900;
  line-height: 1.15;
}
.oyk-article__lead {
  margin: 0 0 28px;
}
.oyk-article__body {
  font-size: 16px;
  line-height: 1.9;
}
.oyk-article__body p {
  margin: 0 0 1.4em;
}
.oyk-article__back {
  display: inline-block;
  margin-top: 36px;
  padding: 12px 18px;
  border: 1px solid var(--oyk-line);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: inherit;
}
.oyk-article__back:hover {
  background: var(--oyk-ink);
  color: #fff;
}
.oyk-article__lead-text {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--oyk-muted);
}

/* =====================================================================
   下部固定ナビ（footer.php）と、Search / Menu のパネル
   ===================================================================== */

.oyk-bottomnav {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom));
  z-index: 50;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--oyk-ink);
  color: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.22);
}
.oyk-bottomnav__btn {
  -webkit-appearance: none;
  appearance: none;
  background: none;
  border: 0;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 9px 0 8px;
  color: #fff;
  text-decoration: none;
  font-size: 10px;
  letter-spacing: 0.1em;
}
.oyk-bottomnav__btn svg {
  width: 22px;
  height: 22px;
  display: block;
}
.oyk-bottomnav__btn[aria-expanded="true"] {
  font-weight: 700;
}

/* せり上がるパネル（Search / Menu 共通） */
.oyk-panel {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--oyk-paper);
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.28s ease;
  visibility: hidden;
}
.oyk-panel.is-open {
  transform: translateY(0);
  visibility: visible;
}
.oyk-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid var(--oyk-line);
}
.oyk-panel__title {
  margin: 0;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.05em;
}
.oyk-close {
  -webkit-appearance: none;
  appearance: none;
  background: none;
  border: 0;
  cursor: pointer;
  font-size: 26px;
  line-height: 1;
  color: var(--oyk-ink);
  padding: 4px 8px;
}

/* Menuパネルの中身（外観>メニューの項目） */
.oyk-drawer__menu {
  list-style: none;
  margin: 0;
  padding: 8px 0;
}
.oyk-drawer__menu li {
  border-bottom: 1px solid #ececec;
}
.oyk-drawer__menu a {
  display: block;
  padding: 18px 22px;
  text-decoration: none;
  color: inherit;
  font-size: 18px;
  font-weight: 700;
}
.oyk-drawer__menu a:hover {
  background: #f5f5f5;
}

/* Searchパネルの入力欄 */
.oyk-search__form {
  padding: 26px 20px;
}
.oyk-search__input {
  width: 100%;
  font-size: 20px;
  padding: 12px 0;
  border: 0;
  border-bottom: 2px solid var(--oyk-ink);
  background: none;
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  .oyk-panel { transition: none; }
}

/* =====================================================================
   一覧ページ（archive-issue.php / archive-note.php）
   ===================================================================== */

.oyk-archive__head {
  padding: 30px 18px 8px;
}
.oyk-archive__title {
  margin: 0;
  font-size: clamp(26px, 8vw, 40px);
  font-weight: 900;
  letter-spacing: 0.02em;
}
.oyk-archive__empty {
  padding: 24px 18px;
  color: var(--oyk-muted);
}

/* 号の表紙グリッド */
.oyk-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 18px;
}
.oyk-grid__item {
  text-decoration: none;
  color: inherit;
}
.oyk-grid__cover {
  display: block;
  aspect-ratio: 210 / 297;
  background: #e9e9e9;
  overflow: hidden;
}
.oyk-grid__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.oyk-grid__title {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.4;
}
.oyk-grid__vol {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--oyk-muted);
}
.oyk-grid__title {
  display: block;
  margin-top: 2px;       /* VOLの直下に来るよう少し詰める */
  font-size: 14px;
  font-weight: 800;
  line-height: 1.4;
}

.oyk-notes__list--page {
  padding: 18px;
}

/* ページ送り */
.pagination,
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  padding: 12px 18px 40px;
}
.pagination .page-numbers,
.nav-links .page-numbers {
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid var(--oyk-line);
  text-decoration: none;
  color: inherit;
  font-size: 13px;
}
.pagination .page-numbers.current {
  background: var(--oyk-ink);
  color: #fff;
}

/* 固定リンク段（Menuパネル上部の「今までのOYKZINE」） */
.oyk-drawer__menu--fixed {
  padding-bottom: 0;
}

/* ---- ヒーローのVOL番号（VOL.4 の見せ方） ---- */
.oyk-hero__vol {
  margin: 0 0 10px;
  display: flex;
  align-items: baseline;
  gap: 4px;
  line-height: 1;
}
.oyk-hero__vol-label {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-left: 0.3em;   /* ← これを追加。Vの頭をほんの少し右へ */
}
.oyk-hero__vol-num {
  font-size: 34px;
  font-weight: 900;
}

/* =====================================================================
   トップのスクロールスナップ（front-page.php）
   1画面目（ロゴ＋流れる表紙）と 2画面目（ヒーロー）を全画面＆スナップ。
   Notes以降は普通のスクロール。
   ・dvh を使うのでスマホのアドレスバー伸縮でも1画面ちょうどに収まる。
   ・proximity にしているので、最初の2画面はぐっと吸い付き、Notesから下は
     自由に読める（mandatoryにすると長いNotesが途中で止められず読みにくい）。
   ===================================================================== */

html {
  scroll-snap-type: y proximity;
  scroll-behavior: smooth;
}

.oyk-snap__screen {
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

/* 1画面目：ロゴを上・流れる表紙を下、間を大きく開ける（高さ基準なので
   スマホでもPCでも比率でいい感じに空く） */
.oyk-firstview {
  height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(env(safe-area-inset-top) + 6vh) 0 calc(16px + 80px + 24px + env(safe-area-inset-bottom));
}
.oyk-firstview .oyk-masthead {
  padding: 0 20px;
}
.oyk-firstview .oyk-strip {
  padding-top: 18px;
  padding-bottom: 18px;
}

/* 2画面目：ヒーローを全画面に（号ページのヒーローには影響させない） */
.oyk-hero.oyk-snap__screen {
  min-height: 100dvh;
}
/* 全画面ヒーローの文字が、浮いた下部ナビに隠れないよう下余白を足す */
.oyk-hero.oyk-snap__screen .oyk-hero__inner {
  padding-bottom: calc(40px + 60px + env(safe-area-inset-bottom));
}

/* 動きを減らす設定の人にはスナップ自体を切る */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; scroll-snap-type: none; }
}

/* =====================================================================
   記事本文：標準ブロック（Gutenberg）を OYKZINE 仕様に
   ===================================================================== */

/* ブロックどうしの縦の間隔 */
.oyk-article__body > * {
  margin-top: 1.6em;
  margin-bottom: 1.6em;
}

/* 全面ブロック（画像など）を画面の端まで断ち落とす */
.oyk-article__body .alignfull {
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  max-width: 100vw;
}

/* 見出し */
.oyk-article__body h2 {
  font-size: clamp(24px, 6vw, 34px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: 0.04em;
  margin-top: 1.8em;
}
.oyk-article__body h3 {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.03em;
  margin-top: 1.6em;
}

/* 引用 */
.oyk-article__body .wp-block-quote {
  margin-left: 0;
  padding-left: 18px;
  border-left: 3px solid var(--oyk-ink);
  font-size: 18px;
  line-height: 1.7;
}
/* プルクオート（大きく見せる一文） */
.oyk-article__body .wp-block-pullquote {
  padding: 26px 0;
  border-top: 2px solid var(--oyk-ink);
  border-bottom: 2px solid var(--oyk-ink);
  text-align: center;
}
.oyk-article__body .wp-block-pullquote p {
  margin: 0;
  font-size: clamp(20px, 5vw, 28px);
  font-weight: 800;
  line-height: 1.5;
}
.oyk-article__body cite,
.oyk-article__body .wp-block-quote__citation {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  font-style: normal;
  color: var(--oyk-muted);
}

/* 箇条書き */
.oyk-article__body ul,
.oyk-article__body ol {
  padding-left: 1.4em;
  line-height: 1.9;
}
.oyk-article__body li { margin-bottom: 0.4em; }

/* 画像とキャプション */
.oyk-article__body figcaption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--oyk-muted);
  text-align: center;
}

/* ギャラリー（複数画像） */
.oyk-article__body .wp-block-gallery { margin: 1.8em 0; }

/* 区切り線 */
.oyk-article__body .wp-block-separator {
  margin: 2.4em auto;
  border: 0;
  border-top: 1px solid var(--oyk-line);
  max-width: 80px;
}

/* 埋め込み（YouTube / Spotify / Instagram 等） */
.oyk-article__body .wp-block-embed { margin: 2em 0; }

/* OYKZINE囲み（黒地に白）＝グループブロックのスタイル */
.oyk-article__body .wp-block-group.is-style-oyk-callout-dark {
  padding: 28px 22px;
  background: var(--oyk-ink);
  color: #fff;
}
.oyk-article__body .is-style-oyk-callout-dark a {
  color: #fff;
  text-decoration: underline;
}
.oyk-snap .oyk-notes {
  scroll-snap-align: start;
}
.oyk-hero__logo {
  position: absolute;
  top: calc(env(safe-area-inset-top) + 3vh);
  left: 50%;
  transform: translateX(-50%);
  width: min(90%, 600px);
  height: 22vh;
  z-index: 1;
  background-color: var(--logo-color);
  -webkit-mask: var(--logo-src) no-repeat top center / contain;
          mask: var(--logo-src) no-repeat top center / contain;
}
.oyk-article__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--oyk-ink);
}
.oyk-article__nav-back,
.oyk-article__nav-next {
  text-decoration: none;
  color: inherit;
}
.oyk-article__nav-next { text-align: right; }
.oyk-article__nav-cap {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--oyk-muted);
}
.oyk-article__nav-ttl {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.4;
}
/* Web app時、各ページの上にステータスバーぶんの余白（トップの全面ヒーローは除く） */
.oyk-toc,
.oyk-issue__intro,
.oyk-article,
.oyk-archive__head,
.oyk-panel__head {
  padding-top: calc(env(safe-area-inset-top) + 22px);
}
/* ===== 記事/Note のリッチヘッダー（OYKZINE）===== */
.oyk-arthead { margin-bottom: 4px; }
.oyk-arthead__label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.24em;
  color: var(--oyk-ink);
  text-decoration: none;
}
.oyk-arthead__bar { width: 26px; height: 3px; background: var(--oyk-ink); }
.oyk-arthead__title {
  margin: 12px 0 10px;
  font-size: clamp(28px, 8vw, 46px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: 0.02em;
}
.oyk-arthead__lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--oyk-muted);
}
.oyk-arthead__rule {
  border-top: 1px solid var(--oyk-ink);
  margin: 16px 0 14px;
}
.oyk-arthead__meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}
.oyk-credit {
  display: flex;
  flex-direction: column;
  font-size: 11.5px;
  line-height: 1.95;
  color: var(--oyk-muted);
  letter-spacing: 0.04em;
}
.oyk-credit__label {
  color: var(--oyk-ink);
  font-weight: 800;
  letter-spacing: 0.18em;
}
.oyk-arthead__date {
  font-size: 11.5px;
  color: #9a9a9a;
  letter-spacing: 0.04em;
  white-space: nowrap;
  padding-top: 2px;
}
.oyk-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  margin-bottom: 28px;
}
.oyk-tag {
  font-size: 11px;
  border: 1px solid var(--oyk-ink);
  padding: 4px 10px;
  text-decoration: none;
  color: inherit;
}
.oyk-tag:hover { background: var(--oyk-ink); color: #fff; }
.oyk-arthead__hero {
  margin: 22px 0 0;
}
.oyk-arthead__hero img {
  width: 100%;
  height: auto;
  display: block;
}
.oyk-arthead__hero img { width: 100%; height: auto; display: block; }
/* ===== ターム一覧の絞り込みバー ===== */
.oyk-arch__kicker {
  display: flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 800; letter-spacing: 0.24em;
  margin-bottom: 6px;
}
.oyk-filter { display: flex; gap: 10px; padding: 0 18px 8px; flex-wrap: wrap; }
.oyk-filter__kw {
  flex: 1; min-width: 0;
  border: 1px solid var(--oyk-ink); background: none;
  padding: 10px 12px; font: inherit; font-size: 14px;
}
.oyk-filter__sort {
  border: 1px solid var(--oyk-ink); background: #fff;
  padding: 10px 12px; font: inherit; font-size: 13px;
}
.oyk-chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 18px 14px; }
.oyk-chip {
  font-size: 11px; border: 1px solid #cfcfcf; background: none; cursor: pointer;
  padding: 5px 10px; color: #6b6b6b; font-family: inherit;
}
.oyk-chip.is-on { border-color: var(--oyk-ink); background: var(--oyk-ink); color: #fff; }
.oyk-filter__empty { padding: 8px 18px 24px; color: var(--oyk-muted); }
.oyk-credit a { color: var(--oyk-ink); text-decoration: underline; }
.oyk-fhead { padding: calc(env(safe-area-inset-top) + 22px) 18px 6px; }
.oyk-fhead__title { margin: 6px 0 0; font-size: 22px; font-weight: 900; letter-spacing: 0.04em; }
.oyk-chips__label { font-size: 11px; font-weight: 800; letter-spacing: 0.16em; color: var(--oyk-muted); align-self: center; }
.oyk-filter__count { padding: 0 18px 8px; font-size: 12px; color: var(--oyk-muted); }
.oyk-search__tags { margin-top: 22px; }
.oyk-search__tags .oyk-chips { padding: 8px 0 0; }
.oyk-search__go {
  margin-top: 22px;
  width: 100%;
  background: var(--oyk-ink);
  color: #fff;
  border: 0;
  padding: 14px;
  font: inherit;
  font-size: 14px;
  letter-spacing: 0.12em;
  cursor: pointer;
}
.oyk-arthead__num {
  font-size: 11px;
  font-weight: 800;
  color: #b3b3b3;
  letter-spacing: 0.05em;
}
.oyk-tag--series {
  border-color: var(--oyk-ink);
  font-weight: 700;
}
.oyk-chip--series {
  border-color: var(--oyk-ink);
  color: var(--oyk-ink);
}
.oyk-chip--series.is-on {
  background: var(--oyk-ink);
  color: #fff;
}