/* RoundaChat クローズドβのご案内 (/products/roundachat/beta/)。
   配色・書体は roundachat.css のトークンを使い、構成は「募集要項」の体裁にする。 */
.nb { display: inline-block; }
.lp-logo--with-icon { display: inline-flex; align-items: center; gap: 8px; }
.beta-zoom img { width: 100%; height: auto; }
/* header: 募集要項の表紙 */
.beta-head { padding-block: clamp(48px, 8vw, 104px) 0; border-bottom: 1px solid var(--line); }
.beta-head__inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: clamp(24px, 5vw, 72px); align-items: center; }
.beta-kicker { margin: 0 0 18px; font-size: 13px; letter-spacing: 0.12em; color: var(--accent); font-weight: 700; }
.beta-title { margin: 0; font-size: clamp(30px, 4.6vw, 56px); line-height: 1.3; font-weight: 900; letter-spacing: 0.01em; text-wrap: balance; }
.beta-lead { margin: 22px 0 0; max-width: 36em; color: var(--ink-2); font-size: 16px; line-height: 1.9; }
.beta-status { margin: 22px 0 0; display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 14px; }
.beta-status__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px rgba(43,196,176,0.18); }
.beta-emblem { width: clamp(120px, 18vw, 230px); height: auto; opacity: 0.95; }
.beta-spec { margin: clamp(40px, 6vw, 72px) 0 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.beta-spec div { padding: 22px 20px 26px; border-left: 1px solid var(--line); }
.beta-spec div:first-child { border-left: 0; padding-left: 0; }
.beta-spec dt { font-size: 12px; color: var(--ink-3); letter-spacing: 0.08em; }
.beta-spec dd { margin: 6px 0 0; font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; color: var(--ink); font-variant-numeric: tabular-nums; }
.beta-spec small { font-size: 14px; font-weight: 600; color: var(--ink-2); margin-left: 4px; }

/* document body: 目次 + 本文 */
.beta-doc { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); padding-block: clamp(40px, 6vw, 80px); }
.beta-toc { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 84px); align-self: start; font-size: 14px; }
.beta-toc p { margin: 0 0 10px; font-size: 12px; color: var(--ink-3); letter-spacing: 0.1em; }
.beta-toc ol { margin: 0; padding-left: 1.4em; display: grid; gap: 8px; color: var(--ink-3); }
.beta-toc a { color: var(--ink-2); text-decoration: none; }
.beta-toc a:hover, .beta-toc a:focus-visible { color: var(--accent); }
.beta-main { min-width: 0; max-width: 760px; }
.beta-sec { padding-bottom: clamp(40px, 5vw, 64px); scroll-margin-top: 84px; }
.beta-h2 { margin: 0 0 22px; display: flex; align-items: baseline; gap: 14px; font-size: clamp(22px, 2.6vw, 28px); font-weight: 800; }
.beta-num { font-family: var(--mono); font-size: 14px; color: var(--accent); min-width: 1.5em; }
.beta-h3 { margin: 28px 0 10px; font-size: 18px; }
.beta-p { margin: 0; color: var(--ink-2); line-height: 1.9; }
.beta-p--dim { color: var(--ink-3); font-size: 14px; margin-top: 18px; }
.beta-fine { margin: 16px 0 0; color: var(--ink-3); font-size: 12px; line-height: 1.9; }
/* 募集要項の表: 項目と内容を罫線で */
.beta-req { margin: 0; border-top: 1px solid var(--ink-3); }
.beta-req div { display: grid; grid-template-columns: 9em minmax(0, 1fr); gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.beta-req dt { font-weight: 700; color: var(--ink); }
.beta-req dd { margin: 0; color: var(--ink-2); line-height: 1.85; }
/* 利用枠の目安: 大きな数字 */
.beta-usage { list-style: none; padding: 0; margin: 22px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.beta-usage li { display: grid; gap: 6px; padding: 4px 20px; border-left: 1px solid var(--line); }
.beta-usage li:first-child { border-left: 0; padding-left: 0; }
.beta-usage b { font-size: clamp(32px, 4.2vw, 48px); font-weight: 800; color: var(--accent); font-variant-numeric: tabular-nums; line-height: 1.1; }
.beta-usage b::before { content: "約"; font-size: 14px; font-weight: 600; color: var(--ink-3); margin-right: 4px; }
.beta-usage small { font-size: 16px; color: var(--ink-2); margin-left: 2px; font-weight: 600; }
.beta-usage span { font-size: 13px; color: var(--ink-2); }
.beta-quote { margin: 0; padding-left: 18px; border-left: 3px solid var(--accent); font-size: 18px; line-height: 1.8; font-weight: 600; }
/* 想定する企業 */
.beta-fit { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; border-top: 1px solid var(--line); }
.beta-fit li { display: grid; grid-template-columns: 1.2em minmax(0, 1fr); column-gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.beta-fit li::before { content: "✓"; color: var(--accent); font-weight: 800; grid-row: 1 / 3; }
.beta-fit b { font-size: 16px; }
.beta-fit span { color: var(--ink-2); font-size: 14px; margin-top: 2px; }
/* 参加の流れ: 比率どおりの時間軸 */
.beta-time { margin-top: 8px; }
.beta-time__track { display: flex; height: 64px; border-radius: 6px; overflow: hidden; }
.beta-seg { flex-basis: 0; display: grid; align-content: center; padding: 0 12px; min-width: 0; }
.beta-seg b { font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.beta-seg i { font-style: normal; font-size: 12px; white-space: nowrap; }
.beta-seg--review { background: rgba(242,244,243,0.08); color: var(--ink); }
.beta-seg--use { background: var(--accent); color: var(--bg-deep); }
.beta-seg--view { background: rgba(43,196,176,0.22); color: var(--ink); }
/* 帯と目盛りは同じ % の幅で並べる（審査・招待 3 週 : ご利用 13 週 : 閲覧のみ 30 日 ≒ 4.3 週）。
   「クローズ」は帯の右端に揃え、狭い幅では下の段に置く */
.beta-time__marks { position: relative; display: flex; margin-top: 8px; font-size: 12px; color: var(--ink-3); }
.beta-time__marks > span { box-sizing: border-box; min-width: 0; border-left: 1px solid var(--ink-3); padding-left: 6px; white-space: nowrap; }
.beta-time__marks > .beta-time__end { position: absolute; top: 0; right: 0; border-left: 0; border-right: 1px solid var(--ink-3); padding: 0 6px 0 0; }
.beta-seg { box-sizing: border-box; }
.beta-s { display: none; }
/* 画面: クリックで拡大 */
.beta-shots { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.beta-shot { margin: 0; min-width: 0; }
.beta-shot--big { grid-column: 1 / -1; }
.beta-zoom { all: unset; position: relative; display: block; width: 100%; cursor: zoom-in; border-radius: 8px; overflow: hidden; border: 1px solid var(--line); }
.beta-zoom img { display: block; width: 100%; height: auto; transition: transform 0.3s; }
.beta-zoom:hover img { transform: scale(1.015); }
.beta-zoom:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.beta-zoom__hint { position: absolute; right: 10px; bottom: 10px; font-size: 11px; padding: 4px 8px; border-radius: 4px; background: rgba(11,14,16,0.78); color: var(--ink); }
.beta-shot figcaption { margin-top: 10px; display: grid; gap: 2px; font-size: 13px; color: var(--ink-2); }
.beta-shot figcaption b { color: var(--ink); font-size: 14px; }
.beta-lightbox { border: 0; padding: 0; background: transparent; max-width: min(1400px, 96vw); width: 96vw; color: var(--ink); }
.beta-lightbox::backdrop { background: rgba(5,7,9,0.88); }
.beta-lightbox img { display: block; width: 100%; height: auto; max-height: 82vh; object-fit: contain; border-radius: 8px; }
.beta-lightbox__close { all: unset; cursor: pointer; display: block; margin: 0 0 10px auto; padding: 6px 12px; border: 1px solid rgba(255,255,255,0.3); border-radius: 6px; font-size: 13px; color: var(--ink); }
.beta-lightbox__close:focus-visible { outline: 2px solid var(--accent); }
.beta-lightbox__cap { margin: 10px 0 0; font-size: 13px; color: var(--ink-2); text-align: center; }
/* 参加規約: ぶら下がりの番号 */
.beta-rules ol { margin: 0; padding-left: 2em; display: grid; gap: 14px; color: var(--ink-2); font-size: 14px; line-height: 1.95; }
.beta-rules li::marker { color: var(--accent); font-family: var(--mono); font-weight: 600; }
.beta-rules strong { color: var(--ink); }
.beta-rules a, .beta-related a { color: var(--accent); }
/* お申し込み */
.beta-apply { border-top: 1px solid var(--ink-3); padding-top: 32px; }
.beta-apply .beta-h2 { margin-bottom: 12px; }
.beta-apply__big { margin: 0 0 20px; font-size: 16px; font-weight: 600; color: var(--ink-2); line-height: 1.8; }
.beta-contact { margin: 22px 0 0; display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: baseline; color: var(--ink-3); font-size: 13px; }
.beta-mail { color: var(--ink); font-family: var(--mono); font-size: 15px; user-select: all; }
.beta-related { padding-top: 24px; border-top: 1px solid var(--line); font-size: 14px; }
.beta-related > p:first-child { margin: 0 0 10px; font-size: 12px; color: var(--ink-3); letter-spacing: 0.1em; }
.beta-related ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 24px; }
.beta-related a[aria-current="page"] { color: var(--ink-3); text-decoration: none; pointer-events: none; }
.beta-version { margin: 18px 0 0; font-size: 12px; color: var(--ink-3); }
@media (max-width: 900px) {
  .beta-doc { grid-template-columns: minmax(0, 1fr); }
  .beta-toc { position: static; }
  .beta-toc ol { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 24px; }
}
@media (max-width: 640px) {
  .beta-head__inner { grid-template-columns: minmax(0, 1fr); }
  .beta-emblem { grid-row: 1; width: 96px; }
  .beta-spec { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .beta-spec div:nth-child(3) { border-left: 0; padding-left: 0; }
  .beta-spec div { border-top: 1px solid var(--line); }
  .beta-req div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .beta-usage { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .beta-usage li { border-left: 0; padding-left: 0; }
  .beta-shots { grid-template-columns: minmax(0, 1fr); }
  .beta-seg { padding: 0 6px; }
  .beta-l { display: none; }
  .beta-s { display: inline; }
  .beta-time__marks { padding-bottom: 1.8em; }
  .beta-time__marks > .beta-time__end { top: 1.8em; }
  .beta-seg--review b, .beta-seg--view b { display: none; }
}
@media (prefers-reduced-motion: reduce) { .beta-zoom img { transition: none; } }
/* 拡大表示中は背景のページをスクロールさせない */
html:has(dialog[open]) { overflow: hidden; }