/*
Theme Name: 東條英利 公式サイト 2026
Theme URI: https://tojo-hidetoshi.jp/
Description: 東條英利 公式サイトの新デザイン。紺×金×生成り、見出しは明朝。スマホとPCの両方に対応。
Version: 1.0.0
Requires PHP: 8.0
Text Domain: tojo2026
*/

:root {
  --navy: #16243f; --navy2: #22365e; --navy3: #0e1729;
  --gold: #b8975a; --gold2: #d2b174; --goldtint: #fdf1d8;
  --ink: #1e232b; --text: #374151; --mute: #6b7280;
  --bg: #f6f3ec; --card: #fff; --line: #e6e0d4;
  --green: #06c755; --red: #9b1c1c;
  --serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", YuGothic, Meiryo, sans-serif;
  --r: 18px; --shadow: 0 10px 30px rgba(22, 36, 63, .07);
  --header-h: 64px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html, body { overflow-x: clip; }
html.is-locked { overflow: hidden; }
body { margin: 0; font-family: var(--sans); color: var(--ink); background: var(--bg); line-height: 1.85; font-size: 15px; padding-bottom: 76px; }
img { max-width: 100%; height: auto; }
a { color: var(--navy2); }
h1, h2, h3, h4 { font-family: var(--serif); letter-spacing: .02em; line-height: 1.5; }
.sp { display: inline; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; z-index: 100; background: #fff; padding: 8px 12px; }
.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.wrap--narrow { max-width: 860px; }
.center { text-align: center; }

/* ---------- ボタン ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; text-align: center; padding: 14px 20px; border-radius: 12px; font-weight: 700; font-size: 15px; line-height: 1.4; text-decoration: none; border: 1.5px solid transparent; transition: transform .15s, box-shadow .15s, opacity .15s; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(0, 0, 0, .14); }
.btn--sm { padding: 9px 16px; font-size: 13px; border-radius: 10px; }
.btn--gold { background: linear-gradient(135deg, var(--gold2), var(--gold)); color: #1a1a1a; }
.btn--navy { background: var(--navy); color: #fff; }
.btn--line { background: var(--green); color: #fff; }
.btn--red { background: var(--red); color: #fff; }
.btn--ghost { background: #fff; color: var(--navy); border-color: var(--navy); }
.btn--outline { background: #fff; color: var(--navy); border-color: var(--navy); }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }
.btn-row .btn { flex: 1 1 0; min-width: 140px; }
.btn-col { display: grid; gap: 10px; }

/* ---------- ヘッダー ---------- */
/* backdrop-filter はメニュー引き出し（position:fixed）の基準をヘッダーにしてしまうので使わない */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(246, 243, 236, .97); border-bottom: 1px solid var(--line); }
.admin-bar .site-header { top: 46px; }
.site-header__in { display: flex; align-items: center; gap: 16px; height: var(--header-h); }
.logo { text-decoration: none; color: var(--ink); line-height: 1.25; margin-right: auto; }
.logo small { display: block; font-size: 10px; font-weight: 500; letter-spacing: .18em; color: var(--gold); }
.logo span { font-family: var(--serif); font-weight: 700; font-size: 18px; letter-spacing: .06em; }
.logo--light { color: #fff; }
.gnav, .header-cta { display: none; }
.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.burger { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 12px; background: #fff; display: grid; place-items: center; cursor: pointer; }
.burger i, .burger i::before, .burger i::after { display: block; width: 18px; height: 2px; background: var(--navy); border-radius: 2px; transition: transform .2s, opacity .2s; }
.burger i { position: relative; }
.burger i::before, .burger i::after { content: ""; position: absolute; left: 0; }
.burger i::before { top: -6px; } .burger i::after { top: 6px; }
.nav-toggle:checked ~ .burger i { background: transparent; }
.nav-toggle:checked ~ .burger i::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle:checked ~ .burger i::after { transform: translateY(-6px) rotate(-45deg); }
.nav-toggle:focus-visible ~ .burger { outline: 2px solid var(--gold); }
.drawer { position: fixed; top: var(--header-h); right: 0; bottom: 0; width: min(86vw, 360px); background: #fff; z-index: 60; transform: translateX(100%); visibility: hidden; transition: transform .25s, visibility .25s; overflow-y: auto; padding: 12px 20px 30px; box-shadow: -10px 0 30px rgba(0, 0, 0, .12); }
.drawer-bg { position: fixed; inset: var(--header-h) 0 0 0; background: rgba(14, 23, 41, .4); z-index: 55; opacity: 0; pointer-events: none; transition: opacity .25s; }
.nav-toggle:checked ~ .drawer { transform: none; visibility: visible; }
.nav-toggle:checked ~ .drawer-bg { opacity: 1; pointer-events: auto; }
.drawer .menu { list-style: none; margin: 0; padding: 0; }
.drawer .menu a { display: flex; justify-content: space-between; padding: 14px 4px; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; font-weight: 500; }
.drawer .menu a::after { content: "›"; color: var(--gold); }
.drawer__cta { display: grid; gap: 10px; margin-top: 20px; }

/* ---------- ヒーロー ---------- */
.hero { background: var(--navy); color: #fff; overflow: hidden; }
.hero__in { display: grid; padding: 0; }
.hero__photo img { display: block; width: 100%; height: 80vw; max-height: 540px; object-fit: cover; object-position: 50% 12%; -webkit-mask-image: linear-gradient(#000 62%, transparent); mask-image: linear-gradient(#000 62%, transparent); }
.hero__text { padding: 0 22px 34px; margin-top: -30px; position: relative; }
.eyebrow-en { display: inline-block; margin: 0 0 10px; font-family: var(--serif); font-size: 13px; letter-spacing: .14em; color: var(--gold2); border-bottom: 1.5px solid var(--gold); padding-bottom: 2px; text-shadow: 0 1px 6px rgba(0, 0, 0, .5); }
.hero__title { font-size: 27px; line-height: 1.5; margin: 0 0 10px; font-weight: 700; }
.hero__sub { font-family: var(--serif); font-size: 16px; color: #e9dcc0; margin: 0 0 18px; }
.hero__name { display: flex; flex-direction: column; margin: 0 0 20px; }
.hero__name b { font-family: var(--serif); font-size: 21px; }
.hero__name span { font-size: 12px; color: #c8cfdd; letter-spacing: .03em; }

/* ---------- ヒーロー: 活動写真のコラージュ（デザイン案5・2026-09-28採用） ---------- */
.hero--collage { position: relative; overflow: hidden; background: var(--navy3); color: #fff; }
.collage { position: absolute; inset: 0; display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(4, 1fr); grid-auto-flow: row dense; gap: 3px; }
.collage__tile { display: block; overflow: hidden; background: #0b1220; }
.collage__tile img { width: 100%; height: 100%; object-fit: cover; display: block; }
.collage__tile:nth-child(n+13) { display: none; }
.hero--collage::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(14, 23, 41, .62) 0%, rgba(14, 23, 41, .72) 55%, rgba(14, 23, 41, .84) 100%); }
.hero__center { position: relative; z-index: 2; text-align: center; padding: 64px 22px 54px; }
.hero--collage .hero__title { font-size: 28px; text-shadow: 0 2px 18px rgba(0, 0, 0, .45); }
.hero--collage .hero__sub { color: #f0e3c4; }
.hero__who { display: inline-flex; align-items: center; gap: 12px; margin: 4px 0 24px; padding: 7px 18px 7px 7px; border-radius: 999px; background: rgba(0, 0, 0, .45); text-align: left; }
.hero__who img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; object-position: 50% 14%; border: 2px solid var(--gold2); flex: none; }
.hero__who b { display: block; font-family: var(--serif); font-size: 17px; }
.hero__who span { font-size: 11px; line-height: 1.5; color: #e1e5ee; }
.hero__who em { display: block; font-style: normal; white-space: nowrap; font-size: clamp(10px, 2.9vw, 12.5px); }
.hero--collage .btn-row { justify-content: center; max-width: 480px; margin: 0 auto; }
@keyframes tojo-drift { from { transform: scale(1.04) translate(0, 0); } to { transform: scale(1.1) translate(-1.5%, -1%); } }
@media (min-width: 768px) {
  .collage { grid-template-columns: repeat(6, 1fr); gap: 4px; }
  .collage__tile:nth-child(n+13) { display: block; }
  .collage__tile:nth-child(n+19) { display: none; }
  .collage .t1, .collage .t5 { grid-column: span 2; grid-row: span 2; }
  .hero__center { padding: 110px 20px 96px; }
  .hero--collage .hero__title { font-size: 44px; }
  .hero__who span { font-size: 12.5px; }
  .hero__who img { width: 58px; height: 58px; }
}
@media (min-width: 1024px) {
  .collage { grid-template-columns: repeat(8, 1fr); }
  .collage__tile:nth-child(n+19) { display: block; }
  .collage__tile:nth-child(n+21) { display: none; }
  .collage .t2, .collage .t7 { grid-column: span 2; grid-row: span 2; }
  .collage { animation: tojo-drift 40s ease-in-out infinite alternate; will-change: transform; }
  .hero__center { padding: 130px 20px 116px; }
  .hero--collage .hero__title { font-size: 50px; }
}
@media (prefers-reduced-motion: reduce) { .collage { animation: none; } }

/* ---------- セクション共通 ---------- */
.sec { padding: 40px 0 8px; }
.sec--tint { background: #efe9dd; padding: 40px 0 36px; margin-top: 32px; }
.sec-h { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 14px; margin-bottom: 18px; }
.sec-h h2 { font-size: 23px; margin: 0; }
.sec-h span { font-size: 11px; letter-spacing: .2em; color: var(--gold); font-weight: 700; }
.sec-sub { margin: -10px 0 14px; font-size: 13px; color: var(--mute); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; box-shadow: var(--shadow); }
.more { text-align: right; margin: 14px 0 0; }
.more a { font-weight: 700; font-size: 14px; text-decoration: none; }

/* メッセージ・数字 */
.sec--msg { padding-top: 24px; }
.msg p { margin: 0 0 12px; color: var(--text); }
.msg__q { font-family: var(--serif); font-weight: 700; color: var(--navy) !important; font-size: 16px; margin: 0 !important; }
.stats { list-style: none; padding: 0; margin: 16px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stats li { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 12px 6px; text-align: center; font-size: 11px; color: var(--mute); line-height: 1.45; }
.stats b { display: block; white-space: nowrap; font-family: var(--serif); font-size: 19px; color: var(--navy); line-height: 1.3; }
.stats b small { font-size: 10px; margin-left: 1px; }

/* 研究会 */
.kk { display: grid; gap: 16px; }
.kk__lead { font-family: var(--serif); font-size: 18px; font-weight: 700; margin: 0 0 8px; color: var(--navy); }
.kk__body p { color: var(--text); margin: 0 0 10px; }
.kk__photo { margin: 0; display: none; }
.kk__photo img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--r); display: block; }
.pills { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; padding: 0; }
.pills li { background: var(--bg); border: 1px solid var(--line); border-radius: 999px; padding: 5px 13px; font-size: 13px; font-weight: 700; color: var(--navy2); }
.pills li::before { content: "● "; color: var(--gold); font-size: 9px; vertical-align: 2px; }
.meta { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 0 0 16px; }
.meta div { background: var(--bg); border-radius: 12px; padding: 10px 12px; }
.meta dt { font-size: 11px; color: var(--mute); }
.meta dd { margin: 0; font-size: 13.5px; font-weight: 500; }

/* お知らせカード */
.news-grid { display: grid; gap: 10px; }
.news-card { display: grid; grid-template-columns: 92px 1fr; gap: 12px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 10px; text-decoration: none; color: var(--ink); transition: box-shadow .15s, transform .15s; }
.news-card:hover, .news-row:hover { box-shadow: var(--shadow); transform: translateY(-1px); }
.news-card__img, .news-row__img { display: block; aspect-ratio: 16 / 10; border-radius: 10px; overflow: hidden; background: linear-gradient(135deg, var(--navy), var(--navy2)); }
.news-card__img img, .news-row__img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.news-card__img i, .news-row__img i { display: block; width: 100%; height: 100%; background: repeating-linear-gradient(135deg, rgba(184, 151, 90, .15) 0 2px, transparent 2px 12px); }
.news-card__meta { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--mute); }
.news-card__meta em { font-style: normal; font-size: 11px; background: var(--goldtint); color: #8a6a2a; border-radius: 6px; padding: 1px 7px; font-weight: 700; }
.news-card__title { display: block; font-size: 14px; font-weight: 500; line-height: 1.55; margin-top: 3px; }

/* 動画 */
.videos { display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; padding: 2px 2px 14px; margin: 0 -20px; padding-left: 20px; padding-right: 20px; }
.video { flex: 0 0 78%; scroll-snap-align: start; background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; text-decoration: none; color: var(--ink); }
.video__thumb { display: block; position: relative; aspect-ratio: 16 / 9; background: #000; }
.video__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.video__thumb::after { content: ""; position: absolute; left: 12px; bottom: 12px; width: 38px; height: 38px; border-radius: 50%; background: rgba(155, 28, 28, .95); box-shadow: 0 2px 8px rgba(0, 0, 0, .3); }
.video__thumb::before { content: ""; position: absolute; left: 27px; bottom: 23px; z-index: 1; border-left: 12px solid #fff; border-top: 8px solid transparent; border-bottom: 8px solid transparent; }
.video__title { display: block; padding: 10px 14px 14px; font-size: 13.5px; font-weight: 500; line-height: 1.55; }

/* プロフィール */
.prof { display: grid; grid-template-columns: 104px 1fr; gap: 16px; align-items: start; }
.prof__img { width: 104px; height: 132px; object-fit: cover; object-position: 50% 14%; border-radius: 14px; }
.prof__role { margin: 0; font-size: 11px; color: var(--gold); font-weight: 700; letter-spacing: .1em; }
.prof__name { margin: 0 0 6px; font-size: 19px; }
.prof__body > p { font-size: 13.5px; color: var(--text); margin: 0; }
.link-grid { grid-column: 1 / -1; list-style: none; padding: 0; margin: 16px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.link-grid a { display: flex; justify-content: space-between; align-items: center; gap: 4px; white-space: nowrap; background: var(--bg); border-radius: 12px; padding: 12px 10px 12px 12px; font-size: 12.5px; letter-spacing: -.01em; font-weight: 700; text-decoration: none; color: var(--navy); }
.link-grid a::after { content: "›"; color: var(--gold); }

/* 著書 */
.books { display: flex; gap: 12px; overflow-x: auto; margin: 0 -20px; padding: 2px 20px 14px; }
.book { flex: 0 0 152px; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px; text-decoration: none; color: var(--ink); }
.book__cover { display: block; aspect-ratio: 7 / 10; border-radius: 6px; overflow: hidden; background: #eee; box-shadow: 0 8px 18px rgba(22, 36, 63, .18); }
.book__cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.book__title { display: block; font-size: 13px; font-weight: 700; margin-top: 10px; line-height: 1.45; }
.book__sub { display: block; font-size: 11px; color: var(--mute); line-height: 1.5; margin-top: 2px; }

/* 帯 */
.band { position: relative; border-radius: 22px; overflow: hidden; color: #fff; background: radial-gradient(120% 90% at 85% 0%, #3a4d78 0%, var(--navy) 55%, var(--navy3) 100%); }
.band::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(135deg, rgba(184, 151, 90, .07) 0 2px, transparent 2px 14px); pointer-events: none; }
.band__img { display: none; }
.band__text { position: relative; z-index: 1; padding: 30px 24px; }
.band__quote { font-family: var(--serif); font-size: 21px; font-weight: 700; line-height: 1.6; margin: 0; }
.band__cite { font-size: 11px; color: var(--gold2); margin: 4px 0 12px; }
.band__text > p:not(.band__quote):not(.band__cite) { font-size: 13.5px; color: #e5e7eb; margin: 0 0 16px; }

/* ---------- 固定ページ・記事 ---------- */
.page-head { background: var(--navy); color: #fff; padding: 34px 0 30px; background-image: radial-gradient(120% 100% at 90% 0%, #2c4274 0%, transparent 60%); }
.page-head__en { margin: 0; font-size: 11px; letter-spacing: .22em; color: var(--gold2); font-weight: 700; }
.page-head__title { margin: 4px 0 0; font-size: 25px; line-height: 1.5; }
.page-head__meta { display: flex; gap: 10px; align-items: center; margin: 0; font-size: 13px; color: #c8cfdd; }
.page-head__meta em { font-style: normal; font-size: 11px; background: var(--gold); color: #1a1a1a; border-radius: 6px; padding: 1px 8px; font-weight: 700; }
.page-head--post .page-head__title { font-size: 22px; }
.crumbs { font-size: 12px; color: var(--mute); padding: 14px 0 6px; }
.crumbs a { color: var(--mute); }
.crumbs span { margin: 0 6px; }

.prose { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 24px 20px; margin: 8px 0 24px; box-shadow: var(--shadow); overflow-wrap: anywhere; }
.prose > :first-child { margin-top: 0; }
.prose h2 { font-size: 21px; margin: 2em 0 .8em; padding-bottom: 8px; border-bottom: 2px solid var(--line); position: relative; }
.prose h2::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 60px; height: 2px; background: var(--gold); }
.prose h3 { font-size: 18px; margin: 1.8em 0 .6em; padding-left: 12px; border-left: 4px solid var(--gold); }
/* 旧サイトのHTMLで段落ごと h3 に入っている箇所は本文扱いにする */
.prose h3:has(p), .prose h3:has(br + br) { font-family: var(--sans); font-weight: 400; font-size: 15px; line-height: 1.85; color: var(--text); border-left: 3px solid var(--gold); padding-left: 14px; }
.prose h3:has(p) p:first-child { font-weight: 700; color: var(--navy); }
.prose h4 { font-size: 16px; margin: 1.5em 0 .5em; color: var(--navy); }
.prose p { margin: 0 0 1.2em; color: var(--text); }
.prose ul, .prose ol { padding-left: 1.4em; color: var(--text); }
.prose li { margin: .3em 0; }
.prose img { border-radius: 10px; display: inline-block; }
.prose table { width: 100%; border-collapse: collapse; margin: 1em 0 1.6em; font-size: 14px; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.prose th { background: var(--bg); white-space: nowrap; }
.prose blockquote { margin: 1.4em 0; padding: 14px 18px; background: var(--bg); border-left: 4px solid var(--gold); border-radius: 0 12px 12px 0; }
.prose a { color: var(--navy2); text-underline-offset: 3px; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2em 0; }
.prose iframe { max-width: 100%; }
.prose .wp-block-latest-posts { list-style: none; padding: 0; }
.prose .wp-block-latest-posts li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.prose .clearFix::after { content: ""; display: block; clear: both; }
/* 旧サイトの左右2段組（HTMLに閉じ忘れがあるので回り込みはやめて縦に積む。写真はタイル表示） */
.prose .left_box, .prose .right_box { float: none; width: auto; margin-bottom: 1em; }
.prose .right_box { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; margin: 1em 0 2em; }
.prose .right_box br { display: none; }
.prose .right_box img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.prose .tojo, .prose h2 { clear: both; }
.prose dl { margin: 0 0 1.4em; }
.prose dt { font-weight: 700; color: var(--navy); margin-top: 1.2em; }
.prose dd { margin: .3em 0 1em; color: var(--text); }
/* 旧サイトから移したフォーム */
.prose form input[type="text"], .prose form input[type="email"], .prose form input[type="tel"], .prose form select, .prose form textarea { width: 100%; max-width: 100%; font: inherit; font-size: 16px; padding: 11px 12px; border: 1px solid #cfc7b6; border-radius: 10px; background: #fff; }
.prose form textarea { min-height: 160px; }
.prose form input[type="submit"], .prose form button, .prose form input[type="button"] { font: inherit; font-weight: 700; font-size: 16px; padding: 14px 28px; border-radius: 12px; border: 0; background: var(--navy); color: #fff; cursor: pointer; }
.prose form input[type="radio"], .prose form input[type="checkbox"] { transform: scale(1.2); margin-right: 6px; }
/* お問い合わせフォームの項目名（旧サイトは画像だったので文字で出す） */
.prose form ul { list-style: none; padding: 0; margin: 0 0 20px; }
.prose form li { margin: 0 0 16px; }
.prose form li::before { display: block; font-weight: 700; font-size: 14px; color: var(--navy); margin-bottom: 6px; }
.prose form li.company::before { content: "会社名・団体名"; }
.prose form li.name::before { content: "お名前"; }
.prose form li.mail::before { content: "メールアドレス"; }
.prose form li.tell::before { content: "電話番号"; }
.prose form li.youken::before { content: "ご用件"; }
.prose form li.renraku::before { content: "ご希望の連絡方法"; }
.prose form li.naiyou::before { content: "お問い合わせ内容"; }
.prose form li.renraku label { display: inline-flex; align-items: center; padding: 6px 0; }
.prose .pgtp, .prose img[src$="shadow.jpg"] { display: none; }
/* 活動実績（年ごとに開閉） */
.page-archive .tab, .prose .line_dot { display: none; }
.page-archive .panel { list-style: none; padding: 0; margin: 0; }
.page-archive details.year { border: 1px solid var(--line); border-radius: 14px; margin: 0 0 12px; background: #fff; overflow: hidden; }
.page-archive details.year > summary { cursor: pointer; list-style: none; padding: 14px 18px; font-family: var(--serif); font-weight: 700; font-size: 17px; color: var(--navy); background: var(--bg); display: flex; justify-content: space-between; }
.page-archive details.year > summary::-webkit-details-marker { display: none; }
.page-archive details.year > summary::after { content: "＋"; color: var(--gold); }
.page-archive details.year[open] > summary::after { content: "－"; }
.page-archive details.year table { display: table; margin: 0; border: 0; }
.page-archive details.year td { border: 0; border-bottom: 1px solid var(--line); padding: 12px; font-size: 13.5px; }
.page-archive details.year td:first-child { width: 42%; max-width: 220px; }
.page-archive details.year td img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
/* 最新の開催案内（研究会ページ・トップ） */
.seminar-card { display: grid; gap: 0; background: #fff; border: 2px solid var(--gold); border-radius: var(--r); overflow: hidden; text-decoration: none; color: var(--ink); margin: 8px 0 20px; box-shadow: var(--shadow); transition: transform .15s, box-shadow .15s; }
.seminar-card:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(22, 36, 63, .14); }
.seminar-card__img img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.seminar-card__body { display: grid; gap: 4px; padding: 16px 18px 18px; }
.seminar-card__label { justify-self: start; font-size: 11px; font-weight: 700; letter-spacing: .08em; background: var(--gold); color: #1a1a1a; border-radius: 6px; padding: 2px 9px; }
.seminar-card__title { font-family: var(--serif); font-weight: 700; font-size: 17px; line-height: 1.55; color: var(--navy); }
.seminar-card__date { font-size: 12px; color: var(--mute); }
.seminar-card__go { font-weight: 700; font-size: 14px; color: var(--navy2); margin-top: 4px; }
.seminar-card--compact { margin: 4px 0 14px; border-width: 1.5px; box-shadow: none; }
.seminar-card--compact .seminar-card__body { padding: 12px 14px; }
.seminar-card--compact .seminar-card__title { font-size: 15px; }
/* 改修時に入れた案内枠（インラインの赤）を新デザインの色に */
.prose .tojo-cta { border-color: var(--gold) !important; border-radius: var(--r) !important; }
.prose .tojo-cta-small { border-top-color: var(--gold) !important; }
.prose [style*="7a2e2e"] { color: inherit; }
.prose a[style*="background:#7a2e2e"] { background: var(--navy) !important; }
.prose a[style*="color:#7a2e2e"] { color: var(--navy) !important; border-color: var(--navy) !important; }
/* 旧サイトの都市別ページ（index02〜05.html）は新サイトに無いのでリンクを出さない */
.prose li:has(> a[href$="/index02.html"]), .prose li:has(> a[href$="/index03.html"]), .prose li:has(> a[href$="/index04.html"]), .prose li:has(> a[href$="/index05.html"]),
.prose a[href$="/index02.html"], .prose a[href$="/index03.html"], .prose a[href$="/index04.html"], .prose a[href$="/index05.html"] { display: none; }
/* 記事内の研究会案内（プラグイン版・テーマ版） */
.post-cta, .prose .tojo-cta { background: linear-gradient(135deg, #fff, #fbf6ea); border: 1px solid #ecdcb8; border-radius: var(--r); padding: 22px; margin: 0 0 24px; }
.post-cta__lead { font-family: var(--serif); font-weight: 700; font-size: 18px; color: var(--navy); margin: 0 0 6px; }
.post-cta p { color: var(--text); margin: 0 0 14px; }
.post-cta .btn-row { flex-direction: column; }
.post-cta .btn-row .btn { flex: none; width: 100%; }
.prose .tojo-cta a, .prose .tojo-cta-small a { font-weight: 700; }
.pager { display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px; align-items: center; margin: 0 0 30px; font-size: 13.5px; }
.pager span:last-child { text-align: right; }
.pager a { text-decoration: none; font-weight: 700; }

/* 一覧 */
.news-list { display: grid; gap: 12px; margin: 8px 0 24px; }
.news-row { display: grid; grid-template-columns: 110px 1fr; gap: 14px; align-items: start; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 12px; text-decoration: none; color: var(--ink); transition: box-shadow .15s, transform .15s; }
.news-row__title { display: block; font-weight: 700; font-size: 15px; line-height: 1.55; margin-top: 3px; }
.news-row__ex { display: none; }
.pagination { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin: 0 0 36px; }
.pagination .page-numbers { min-width: 40px; height: 40px; display: grid; place-items: center; border-radius: 10px; background: #fff; border: 1px solid var(--line); text-decoration: none; font-weight: 700; color: var(--navy); padding: 0 10px; }
.pagination .current { background: var(--navy); color: #fff; border-color: var(--navy); }
.empty { padding: 40px 0; text-align: center; color: var(--mute); }

/* ---------- フッター ---------- */
.site-footer { background: var(--navy3); color: #c8cfdd; margin-top: 48px; padding: 40px 0 0; font-size: 13.5px; }
.site-footer a { color: #e5e7eb; text-decoration: none; }
.site-footer a:hover { color: var(--gold2); }
.site-footer__in { display: grid; gap: 28px; }
.site-footer__brand p { margin: 12px 0 16px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer__nav ul { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.site-footer__h { color: var(--gold2); font-size: 12px; letter-spacing: .12em; font-weight: 700; margin: 0 0 8px; }
.site-footer__links li { margin: 0 0 6px; }
.copyright { text-align: center; font-size: 11px; letter-spacing: .06em; color: #8591a8; margin: 34px 0 0; padding: 16px 0; border-top: 1px solid rgba(255, 255, 255, .08); }

/* 下部固定バー（スマホ） */
.cta-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; display: grid; grid-template-columns: 1fr 1.25fr 1fr; gap: 8px; padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); background: rgba(255, 255, 255, .94); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-top: 1px solid var(--line); }
.cta-bar a { text-align: center; padding: 12px 4px; border-radius: 12px; font-size: 13px; font-weight: 700; text-decoration: none; line-height: 1.3; }
.cta-bar__c { border: 1.5px solid var(--navy); color: var(--navy); background: #fff; }
.cta-bar__k { background: var(--navy); color: #fff; }
.cta-bar__l { background: var(--green); color: #fff; }
.line-float { display: none; }

/* 写真帯（旧サイトの講演・研究会写真。ゆっくり流れる） */
.photo-strip { display: none; }
@keyframes tojo-strip { from { background-position: 0 0; } to { background-position: -2179px 0; } }
/* PCのサイドバー */
.layout__main { min-width: 0; }
.side { display: none; }
.btn--block { display: flex; width: 100%; margin-top: 10px; }
.side-box { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 20px; margin-bottom: 16px; box-shadow: var(--shadow); }
.side-box--kk { background: linear-gradient(160deg, var(--navy), var(--navy2)); color: #fff; border: 0; }
.side-box__en { margin: 0; font-size: 11px; letter-spacing: .2em; color: var(--gold2); font-weight: 700; }
.side-box__title { margin: 2px 0 8px; font-family: var(--serif); font-size: 20px; font-weight: 700; }
.side-box__text { margin: 0 0 6px; font-size: 13px; color: #d6dbe6; line-height: 1.7; }
.side-box__h { margin: 0 0 10px; font-family: var(--serif); font-weight: 700; font-size: 16px; color: var(--navy); padding-bottom: 8px; border-bottom: 2px solid var(--line); }
.side-prof { display: grid; grid-template-columns: 76px 1fr; gap: 14px; align-items: center; }
.side-prof img { width: 76px; height: 96px; object-fit: cover; object-position: 50% 14%; border-radius: 10px; }
.side-prof__role { margin: 0; font-size: 11px; color: var(--gold); font-weight: 700; }
.side-prof__name { margin: 0 0 4px; font-family: var(--serif); font-size: 18px; font-weight: 700; }
.side-prof a, .side-more { font-size: 13px; font-weight: 700; text-decoration: none; }
.side-news { list-style: none; margin: 0 0 8px; padding: 0; }
.side-news a { display: block; padding: 9px 0; border-bottom: 1px dashed var(--line); text-decoration: none; color: var(--ink); font-size: 13px; line-height: 1.55; }
.side-news time { display: block; font-size: 11px; color: var(--mute); }
.side-news a:hover span { color: var(--navy2); text-decoration: underline; }
.side-books { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.side-books img { width: 100%; aspect-ratio: 7 / 10; object-fit: cover; border-radius: 4px; box-shadow: 0 4px 10px rgba(22, 36, 63, .15); display: block; }
/* スマホではお知らせを4件まで */
.news-grid .news-card:nth-child(n+5) { display: none; }

/* ================= タブレット以上 ================= */
@media (min-width: 768px) {
  body { font-size: 16px; }
  .sp { display: none; }
  .sec { padding: 64px 0 8px; }
  .sec--tint { padding: 60px 0 56px; margin-top: 56px; }
  .sec-h h2 { font-size: 30px; }
  .card { padding: 32px; }
  .hero__in { grid-template-columns: 1.1fr .9fr; align-items: center; padding: 56px 20px; gap: 48px; }
  .hero__photo { order: 2; }
  .hero__photo img { height: 520px; max-height: none; border-radius: 22px; -webkit-mask-image: none; mask-image: none; box-shadow: 18px 18px 0 rgba(184, 151, 90, .35); }
  .hero__text { order: 1; padding: 0; margin: 0; }
  .hero__title { font-size: 40px; }
  .hero__sub { font-size: 20px; }
  .hero__name b { font-size: 24px; }
  .hero__name span { font-size: 13px; }
  .hero .btn-row { max-width: 460px; }
  .sec--msg { padding-top: 48px; }
  .msg { padding: 36px 40px; }
  .msg p { font-size: 16px; }
  .msg__q { font-size: 19px; }
  .stats { gap: 16px; margin-top: 20px; }
  .stats li { padding: 20px 10px; font-size: 13px; }
  .stats b { font-size: 32px; }
  .stats b small { font-size: 14px; }
  .kk { grid-template-columns: 1.4fr 1fr; gap: 24px; align-items: stretch; }
  .kk__photo { display: block; }
  .kk__lead { font-size: 22px; }
  .btn-col { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .news-card { grid-template-columns: 140px 1fr; padding: 12px; }
  .news-card__title { font-size: 15px; }
  .videos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; overflow: visible; margin: 0; padding: 0 0 20px; }
  .video__title { font-size: 14.5px; }
  .prof { grid-template-columns: 220px 1fr; gap: 32px; }
  .prof__img { width: 220px; height: 280px; }
  .prof__name { font-size: 26px; }
  .prof__body > p { font-size: 15px; }
  .link-grid { grid-column: 2; margin-top: -8px; grid-template-columns: repeat(4, 1fr); }
  .link-grid a { font-size: 13.5px; padding: 12px 14px; }
  .prof__img { grid-row: span 2; }
  .books { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; overflow: visible; margin: 0; padding: 0; }
  .book { padding: 18px; }
  .book__title { font-size: 14px; }
  .band { display: grid; grid-template-columns: 1fr 1.2fr; min-height: 340px; }
  .band__img { display: block; width: 100%; height: 100%; min-height: 340px; object-fit: cover; position: relative; z-index: 2; -webkit-mask-image: linear-gradient(90deg, #000 70%, transparent); mask-image: linear-gradient(90deg, #000 70%, transparent); }
  .band__text { padding: 44px 48px; align-self: center; }
  .band__quote { font-size: 30px; }
  .band__text > p:not(.band__quote):not(.band__cite) { font-size: 15px; }
  .page-head { padding: 56px 0 50px; }
  .page-head__title { font-size: 34px; }
  .page-head--post .page-head__title { font-size: 28px; }
  .prose { padding: 44px 48px; }
  .prose h2 { font-size: 25px; }
  .prose h3 { font-size: 20px; }
  .post-cta .btn-row { flex-direction: row; }
  .post-cta .btn-row .btn { flex: 1 1 0; width: auto; }
  .news-row { grid-template-columns: 200px 1fr; gap: 20px; padding: 14px; }
  .news-row__title { font-size: 17px; }
  .news-row__ex { display: block; font-size: 13.5px; color: var(--mute); margin-top: 6px; line-height: 1.7; }
  .site-footer__in { grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; }
}

/* ================= PC ================= */
@media (min-width: 1024px) {
  :root { --header-h: 76px; }
  body { padding-bottom: 0; }
  .burger, .drawer, .drawer-bg { display: none; }
  .logo span { font-size: 20px; }
  .gnav { display: block; }
  .gnav .menu { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
  .gnav .menu a { display: block; padding: 8px 10px; font-size: 14px; font-weight: 500; color: var(--ink); text-decoration: none; border-radius: 8px; white-space: nowrap; }
  .gnav .menu a:hover, .gnav .menu .current a, .gnav .menu .current-menu-item a { color: var(--navy2); background: rgba(184, 151, 90, .12); }
  .header-cta { display: flex; gap: 8px; }
  .cta-bar { display: none; }
  .line-float { display: grid; place-items: center; position: fixed; right: 22px; bottom: 22px; z-index: 40; width: 68px; height: 68px; border-radius: 50%; background: var(--green); color: #fff; font-weight: 700; font-size: 12px; line-height: 1.25; text-align: center; text-decoration: none; box-shadow: 0 8px 24px rgba(6, 199, 85, .4); transition: transform .15s; }
  .line-float:hover { transform: scale(1.06); }
  .hero__in { padding: 72px 20px; gap: 64px; }
  .hero__in { grid-template-columns: 1.35fr .8fr; }
  .hero__title { font-size: 44px; }
  .hero__photo img { height: 580px; }
}
@media (min-width: 1024px) {
  .photo-strip { display: block; height: 58px; overflow: hidden; background: var(--navy3); border-top: 3px solid var(--gold); }
  .photo-strip__track { height: 58px; background-repeat: repeat-x; background-size: auto 58px; animation: tojo-strip 90s linear infinite; }
  .layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 36px; align-items: start; }
  .layout .prose { padding: 40px 44px; }
  .side { display: block; position: sticky; top: calc(var(--header-h) + 16px); padding-top: 44px; margin-bottom: 30px; }
  .news-grid { grid-template-columns: repeat(3, 1fr); }
  .news-grid .news-card:nth-child(n+5) { display: grid; }
  .news-card { grid-template-columns: 1fr; padding: 0; overflow: hidden; align-items: stretch; }
  .news-card__img { border-radius: 0; aspect-ratio: 16 / 9; }
  .news-card__body { padding: 14px 16px 18px; }
  .news-card__title { font-size: 15px; }
  .page-kenkyuukai-card { }
  .layout__main > .seminar-card { grid-template-columns: 300px 1fr; }
  .layout__main > .seminar-card .seminar-card__img img { height: 100%; aspect-ratio: auto; }
  .layout__main > .seminar-card .seminar-card__body { align-content: center; padding: 22px 26px; }
}
@media (prefers-reduced-motion: reduce) { .photo-strip__track { animation: none; } }
@media (min-width: 1024px) and (max-width: 1180px) {
  .gnav .menu a { padding: 8px 7px; font-size: 13px; }
  .logo small { display: none; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }