/* 下層ページ（50周年について・開催概要・50周年特集）。TOPと同じ紙の地・明朝・番号付きの札でそろえる。 */
.ts50-sub {
  --ts50-paper: #f4f1ea;
  --ts50-ink: #001040;
  --ts50-spot: #15a8e2;
  --ts50-mincho: "Shippori Mincho B1", "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
  max-width: none !important;
  width: 100% !important;
  background: var(--ts50-paper);
  color: var(--ts50-ink);
  padding: 0 0 110px;
}
.ts50-sub *, .ts50-sub *::before, .ts50-sub *::after { box-sizing: border-box; }
.ts50-sub__lead { max-width: 860px; margin: 0 auto; padding: 76px 40px 8px; }
.ts50-sub .ts50-sub__lead p { margin: 0; font-family: var(--ts50-mincho); font-size: clamp(19px, 1.8vw, 24px); font-weight: 600; line-height: 2; color: var(--ts50-ink); }
.ts50-sub__lead p + p { margin-top: 1em; }
.ts50-sub__lead h2, .ts50-sub__lead h3 { display: none; }
.ts50-sub__section { max-width: 1140px; margin: 0 auto; padding: 84px 40px 0; }

/* 番号付きの札（TOPと同じ） */
.ts50-sub .ts50-label { display: flex; align-items: center; gap: 14px; margin: 0 0 28px; font-size: 13px; font-weight: 600; letter-spacing: .12em; color: var(--ts50-ink); }
.ts50-sub .ts50-label > span { font-family: var(--ts50-mincho); font-size: 15px; color: var(--ts50-spot); }
.ts50-sub .ts50-label::after { content: ""; flex: 1 1 auto; height: 1px; background: currentColor; opacity: .25; }

/* TCDの見出し飾りを外して、明朝の見出しに */
.ts50-sub h2, .ts50-sub h3 { margin: 0; padding: 0; border: 0; background: none; text-align: left; color: var(--ts50-ink); font-family: var(--ts50-mincho); font-weight: 700; }
.ts50-sub h2::before, .ts50-sub h3::before, .ts50-sub h2::after, .ts50-sub h3::after { display: none; content: none; }
.ts50-sub__title { font-size: clamp(30px, 3.4vw, 46px); line-height: 1.35; }
.ts50-sub__title small { display: block; margin-top: 4px; font-family: -apple-system, BlinkMacSystemFont, "Yu Gothic", Meiryo, sans-serif; font-size: 11px; font-weight: 500; letter-spacing: .2em; color: #6b7280; }
.ts50-sub__title span { display: block; margin-top: 8px; font-size: .6em; }
.ts50-sub__text { max-width: 44em; }
.ts50-sub__text p, .ts50-sub p { font-size: 15px; line-height: 2.05; color: #404853; }

/* 一番伝えたい言葉 */
.ts50-sub__catch { margin: 0 0 40px; padding: 0; border: 0; background: none; }
.ts50-sub__catch p { margin: 0; font-family: var(--ts50-mincho); font-size: clamp(26px, 3.2vw, 44px); font-weight: 700; line-height: 1.6; color: var(--ts50-ink); }
.ts50-sub__catch p span { display: inline-block; }
.ts50-sub__catch cite { display: block; margin-top: 14px; font-family: var(--ts50-mincho); font-style: normal; font-size: 17px; color: var(--ts50-spot); }

/* テーマ */
.ts50-sub__theme-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.ts50-sub__logo { margin: 0; padding: 40px; background: #fff; border: 1px solid #e3dccd; }
.ts50-sub__logo img { display: block; width: 100%; height: auto; }

/* 記念事業カード */
.ts50-sub__cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 0; padding: 0; list-style: none; }
.ts50-sub__cards li { position: relative; margin: 0; padding: 34px 28px 30px; background: #fff; border-top: 3px solid var(--ts50-ink); }
.ts50-sub__num { display: block; margin-bottom: 18px; font-family: var(--ts50-mincho); font-size: 44px; font-weight: 800; line-height: 1; color: var(--ts50-spot); }
.ts50-sub__cards h3 { margin-bottom: 14px; font-size: 22px; }
.ts50-sub__cards p { font-size: 14px; line-height: 1.95; }
.ts50-sub a span[aria-hidden] { margin-left: 14px; }
.ts50-sub__cards a, .ts50-sub__links a {
  display: inline-flex; align-items: center; margin-top: 10px; padding: 6px 0; border-bottom: 1px solid currentColor;
  color: var(--ts50-ink); font-size: 14px; font-weight: 600; text-decoration: none;
}
.ts50-sub__cards a:hover, .ts50-sub__links a:hover { color: #007eaf; }
.ts50-sub__links { display: flex; flex-wrap: wrap; gap: 8px 36px; margin-top: 40px; }

/* 節目の年 */
.ts50-sub__milestones { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; padding: 0; list-style: none; border-top: 2px solid var(--ts50-ink); }
.ts50-sub__milestones li { margin: 0; padding: 22px 16px 22px 0; border-right: 1px solid #d9d2c3; }
.ts50-sub__milestones li + li { padding-left: 16px; }
.ts50-sub__milestones li:last-child { border-right: 0; }
.ts50-sub__milestones b { display: block; font-family: var(--ts50-mincho); font-size: 30px; font-weight: 700; }
.ts50-sub__milestones span { display: block; margin-top: 6px; font-size: 13px; line-height: 1.8; color: #404853; }
.ts50-sub__milestones .is-now b { color: var(--ts50-spot); }

/* 開催情報 */
.ts50-sub__date { display: flex; align-items: flex-end; flex-wrap: wrap; gap: 12px 40px; margin-bottom: 36px; }
.ts50-sub__date time { font-family: var(--ts50-mincho); color: var(--ts50-ink); line-height: 1; }
.ts50-sub__date time b { font-size: clamp(80px, 10vw, 140px); font-weight: 700; letter-spacing: -.03em; }
.ts50-sub__date time small { margin: 0 12px 0 4px; font-size: 22px; }
.ts50-sub__date-y { display: block; margin-bottom: 10px; font-size: 22px; letter-spacing: .06em; }
.ts50-sub__date-y small { font-size: 15px !important; margin: 0 0 0 2px !important; }
.ts50-sub__date-w { font-size: 16px; }
.ts50-sub__countdown { margin: 0 0 12px !important; font-size: 15px !important; }
.ts50-sub__countdown b { margin: 0 6px; font-family: var(--ts50-mincho); font-size: 40px; color: var(--ts50-spot); }
.ts50-sub__facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin: 0; border-top: 2px solid var(--ts50-ink); }
.ts50-sub__facts > div { padding: 20px 20px 22px 0; border-bottom: 1px solid #d9d2c3; }
.ts50-sub__facts > div:first-child { grid-column: 1 / -1; }
.ts50-sub__facts dt { margin-bottom: 8px; font-size: 12px; letter-spacing: .16em; color: #6b7280; }
.ts50-sub__facts dd { margin: 0; font-family: var(--ts50-mincho); font-size: 20px; font-weight: 700; line-height: 1.6; }
.ts50-sub__facts dd small { font-family: -apple-system, BlinkMacSystemFont, "Yu Gothic", Meiryo, sans-serif; font-size: 13px; font-weight: 400; color: #404853; }

/* 当日の流れ */
.ts50-sub__program { position: relative; margin: 0; padding: 0 0 0 26px; list-style: none; border-left: 2px solid var(--ts50-ink); max-width: 640px; }
.ts50-sub__program li { position: relative; display: grid; grid-template-columns: 80px 1fr; gap: 16px; margin: 0; padding: 12px 0; border-bottom: 1px dashed #d0c8b8; }
.ts50-sub__program li::before { content: ""; position: absolute; left: -33px; top: 21px; width: 12px; height: 12px; border-radius: 50%; background: var(--ts50-paper); border: 2px solid var(--ts50-ink); }
.ts50-sub__program time { font-family: var(--ts50-mincho); font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.ts50-sub__program span { align-self: center; font-size: 15px; color: #26304a; }
.ts50-sub__note { margin-top: 14px; font-size: 12px !important; color: #6b7280 !important; }
/* 当日の流れが予定であることを、表の前にはっきり */
.ts50-sub__plan { display: inline-flex; align-items: center; gap: 10px; margin: -4px 0 26px !important; padding: 8px 14px !important; font-size: 14px !important; line-height: 1.7 !important; color: var(--ts50-ink) !important; background: #fff; border-left: 3px solid var(--ts50-spot); }

/* 会場 */
.ts50-sub__venue-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 48px; align-items: start; }
.ts50-sub__venue-body .ts50-sub__title { margin-bottom: 20px; }
.ts50-sub__address { font-weight: 600; color: var(--ts50-ink) !important; }
.ts50-sub__map { min-height: 380px; background: #e6e0d3; }
.ts50-sub__map iframe { display: block; width: 100%; height: 100%; min-height: 380px; border: 0; }

/* 特集の入口 */
.ts50-sub__features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px 28px; margin: 0; padding: 0; list-style: none; }
.ts50-sub__features li { margin: 0; }
.ts50-sub__features a { display: block; color: inherit; text-decoration: none; }
.ts50-sub__features-img { overflow: hidden; aspect-ratio: 16 / 10; margin-bottom: 18px; background: #e6e0d3; }
.ts50-sub__features-img img { display: block; width: 100%; height: 100%; object-fit: cover; filter: grayscale(.25); transition: transform .7s cubic-bezier(.2, .7, .2, 1), filter .7s; }
.ts50-sub__features a:hover img { transform: scale(1.04); filter: none; }
.ts50-sub__kind { display: inline-block; margin-bottom: 8px; padding: 2px 10px; border: 1px solid var(--ts50-spot); font-size: 12px; color: var(--ts50-spot); }
.ts50-sub__features h2 { margin-bottom: 8px; font-size: 26px; }
.ts50-sub__features a:hover h2 { color: #007eaf; }
.ts50-sub__features p { margin: 0; font-size: 14px; line-height: 1.9; }
.ts50-sub__list { margin: 0; padding: 0; list-style: none; border-top: 2px solid var(--ts50-ink); }
.ts50-sub__list li { margin: 0; border-bottom: 1px solid #d9d2c3; }
.ts50-sub__list a { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 18px 4px; color: var(--ts50-ink); text-decoration: none; }
.ts50-sub__list time { font-family: var(--ts50-mincho); font-size: 15px; color: #5a6270; }
.ts50-sub__list span { font-size: 16px; font-weight: 600; line-height: 1.7; }
.ts50-sub__list a:hover span { color: #007eaf; }
.ts50-sub__soon { padding: 32px; border: 1px dashed #b9b09d; }
.ts50-sub__soon h2 { margin-bottom: 8px; font-size: 24px; }
.ts50-sub__soon p { margin: 0; }

@media (max-width: 860px) {
  .ts50-sub__lead { padding: 48px 20px 0; }
  .ts50-sub__section { padding: 60px 20px 0; }
  .ts50-sub__catch p { font-size: clamp(19px, 5.4vw, 24px); }
  .ts50-sub__theme-body, .ts50-sub__venue-body { grid-template-columns: 1fr; gap: 28px; }
  .ts50-sub__logo { padding: 24px; }
  .ts50-sub__cards { grid-template-columns: 1fr; }
  .ts50-sub__milestones { grid-template-columns: 1fr; }
  .ts50-sub__milestones li, .ts50-sub__milestones li + li { padding: 14px 0; border-right: 0; border-bottom: 1px solid #d9d2c3; display: grid; grid-template-columns: 80px 1fr; gap: 12px; }
  .ts50-sub__milestones b { font-size: 24px; }
  .ts50-sub__milestones span { margin: 0; }
  .ts50-sub__features { grid-template-columns: 1fr; gap: 32px; }
  .ts50-sub__list a { grid-template-columns: 1fr; gap: 2px; }
  .ts50-sub__map, .ts50-sub__map iframe { min-height: 300px; }
}

/* 開催概要：最寄り駅から（駅名・出口・分数を罫線の表に） */
.ts50-sub__access-title { margin: 34px 0 10px; font-family: var(--ts50-mincho); font-size: 17px; font-weight: 700; color: var(--ts50-ink); }
.ts50-sub__access { list-style: none; margin: 0; padding: 0; border-top: 1px solid rgba(0, 16, 64, .2); }
.ts50-sub__access li { display: grid; grid-template-columns: auto 1fr auto; align-items: baseline; gap: 2px 14px; padding: 12px 2px; border-bottom: 1px solid rgba(0, 16, 64, .12); }
.ts50-sub__access b { font-family: var(--ts50-mincho); font-size: 16px; color: var(--ts50-ink); }
.ts50-sub__access-exit { font-size: 13px; color: #5a6270; white-space: nowrap; }
.ts50-sub__access-min { font-family: var(--ts50-mincho); font-size: 18px; font-weight: 700; color: var(--ts50-spot); white-space: nowrap; }
.ts50-sub__access small { grid-column: 1 / -1; font-size: 12px; line-height: 1.7; color: #6b7280; }
.ts50-sub__countdown a { margin-left: 14px; color: var(--ts50-ink); font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; }

/* 式典レポート：写真は切らずに石畳の並び（PC3列・スマホ2列） */
.ts50-report__venue { margin: 0 0 28px; font-family: var(--ts50-mincho); font-size: 18px; font-weight: 700; color: var(--ts50-ink); }
.ts50-report__gallery { columns: 3; column-gap: 8px; margin: 0; padding: 0; list-style: none; }
.ts50-report__gallery li { break-inside: avoid; margin: 0 0 8px; background: #e6e0d3; }
.ts50-report__gallery figure { margin: 0; }
.ts50-report__gallery img { display: block; width: 100%; height: auto; }
.ts50-report__gallery figcaption { padding: 8px 10px 10px; font-size: 12px; line-height: 1.6; color: #404853; background: #f4f1ea; }

/* 部会紹介：実行委員長の札と、三つの部会（メンバーは届きしだい名簿で足す） */
.ts50-cmt__chair { display: grid; grid-template-columns: 150px 1fr; align-items: end; gap: 28px; padding: 0 0 0 10px; color: inherit; text-decoration: none; border-bottom: 2px solid var(--ts50-ink); }
.ts50-cmt__chair figure { margin: 0; height: 200px; display: flex; align-items: flex-end; justify-content: center; }
.ts50-cmt__chair img { display: block; width: auto; max-height: 200px; }
.ts50-cmt__chair-body { display: grid; gap: 4px; padding-bottom: 22px; }
.ts50-cmt__chair-body small { font-size: 13px; color: #5a6270; }
.ts50-cmt__chair-body b { font-family: var(--ts50-mincho); font-size: 30px; color: var(--ts50-ink); letter-spacing: .06em; }
.ts50-cmt__chair-body > span { font-size: 14px; color: #404853; }
.ts50-cmt__chair-body em { margin-top: 8px; font-style: normal; font-size: 14px; font-weight: 600; color: var(--ts50-ink); }
.ts50-cmt__chair-body em i { margin-left: 12px; font-style: normal; }
.ts50-cmt__chair:hover em { color: #007eaf; }
.ts50-bukai { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin: 8px 0 0; padding: 0; list-style: none; }
.ts50-bukai__item { display: flex; flex-direction: column; padding: 26px 26px 28px; background: rgba(255, 255, 255, .55); border-top: 3px solid var(--ts50-ink); }
.ts50-bukai__num { font-family: var(--ts50-mincho); font-size: 15px; font-weight: 700; color: var(--ts50-spot); }
.ts50-bukai__name { margin: 6px 0 0 !important; font-family: var(--ts50-mincho); font-size: 26px !important; font-weight: 800; line-height: 1.4 !important; color: var(--ts50-ink); letter-spacing: .04em; }
.ts50-bukai__role { margin: 12px 0 0 !important; font-size: 14px !important; line-height: 1.8; color: #344054; }
.ts50-bukai__soon { margin: auto 0 0 !important; padding-top: 30px; font-size: 13px !important; color: #6b7280 !important; }
.ts50-bukai__soon::before { content: ""; display: block; width: 100%; margin-bottom: 14px; border-top: 1px dashed rgba(0, 16, 64, .2); }
.ts50-bukai .ts50-cmt__members { grid-template-columns: 1fr; margin-top: 18px; }
.ts50-cmt__members { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(0, 16, 64, .2); }
.ts50-cmt__members li { display: grid; gap: 2px; padding: 14px 2px; border-bottom: 1px solid rgba(0, 16, 64, .12); }
.ts50-cmt__members b { font-family: var(--ts50-mincho); font-size: 19px; color: var(--ts50-ink); letter-spacing: .05em; }
.ts50-cmt__members small { font-size: 12px; line-height: 1.6; color: #5a6270; }
.ts50-cmt__role { justify-self: start; padding: 1px 9px; font-size: 11px; font-weight: 700; letter-spacing: .08em; color: #fff; background: var(--ts50-ink); }
@media (max-width: 767px) {
  .ts50-sub__access li { grid-template-columns: 1fr auto; }
  .ts50-sub__access-exit { grid-row: 2; grid-column: 1; }
  .ts50-sub__access-min { grid-row: 1 / span 2; grid-column: 2; align-self: center; }
  .ts50-report__gallery { columns: 2; column-gap: 6px; }
  .ts50-report__gallery li { margin-bottom: 6px; }
  .ts50-cmt__chair { grid-template-columns: 96px 1fr; gap: 16px; padding-left: 0; }
  .ts50-cmt__chair figure { height: 140px; }
  .ts50-cmt__chair img { max-height: 140px; }
  .ts50-cmt__chair-body b { font-size: 24px; }
  .ts50-cmt__members { grid-template-columns: 1fr; }
  .ts50-bukai { grid-template-columns: 1fr; gap: 14px; }
  .ts50-bukai__item { padding: 22px 20px 24px; }
  .ts50-bukai__name { font-size: 23px !important; }
  .ts50-bukai__soon { padding-top: 20px; }
}