/* Lab の読み物ページ。色・書体・共通 UI は base.css / lab.css と共有する。 */
.content-section { padding-block: calc(var(--nav-h) + 72px) clamp(96px, 10vw, 144px); min-height: 65vh; }
.content-narrow { max-width: 860px; }
body[data-content-page="article"] .content-narrow { max-width: 680px; }
.content-head { padding-bottom: 44px; border-bottom: 1px solid var(--line); }
.content-head h1, .article-title { margin-top: 16px; font-size: clamp(34px, 5vw, 58px); line-height: 1.3; overflow-wrap: anywhere; }
.content-head .lead { max-width: 760px; }
.back-link { display: inline-block; color: var(--orange-2); font-size: 14px; font-weight: 700; margin-bottom: 36px; }
.back-link:hover, .detail-missing a:hover { text-decoration: underline; text-underline-offset: 4px; }
.detail-missing { margin-top: 36px; color: var(--text-2); }
.detail-missing a { color: var(--orange-2); margin-left: 0.5em; }

.updates-list { list-style: none; padding: 0; margin: 0; }
.update-row { display: grid; grid-template-columns: 112px 128px minmax(0, 1fr); gap: 24px; align-items: start; padding: 23px 0; border-bottom: 1px solid var(--line); }
.update-date { font-family: var(--font-mono); font-size: 13px; color: var(--muted); white-space: nowrap; }
.update-tag { justify-self: start; padding: 3px 11px; border: 1px solid var(--line-2); border-radius: 999px; color: var(--orange-2); font-size: 12px; line-height: 1.5; }
.update-text { min-width: 0; color: var(--text-2); line-height: 1.85; overflow-wrap: anywhere; }
.update-text a, .article-body a { color: var(--orange-2); text-decoration: underline; text-underline-offset: 3px; }

.article-list { display: grid; gap: 16px; margin-top: 32px; }
.article-card { position: relative; display: grid; gap: 12px; padding: clamp(22px, 3vw, 34px); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--ink-2); transition: border-color .25s, transform .25s, background .25s; min-width: 0; }
.article-card:hover { border-color: var(--orange); background: var(--ink-3); transform: translateY(-2px); }
.article-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; color: var(--muted); font-family: var(--font-mono); font-size: 12px; line-height: 1.6; }
.article-meta span { overflow-wrap: anywhere; }
.badge, .card-price { display: inline-block; padding: 2px 10px; border-radius: 999px; font-family: var(--font-jp); font-size: 12px; font-weight: 700; }
.badge-free { background: rgba(123,216,143,.12); color: var(--ok); }
.badge-draft { background: rgba(255,255,255,.08); color: var(--text-2); }
.card-price { background: var(--orange-soft); color: var(--orange-2); }
.article-card__title { font-size: clamp(20px, 2.3vw, 27px); line-height: 1.4; overflow-wrap: anywhere; }
.article-card__excerpt { color: var(--text-2); line-height: 1.8; }
.article-more { color: var(--orange-2); font-weight: 700; font-size: 14px; }

.article { min-width: 0; }
.article-title { margin: 22px 0 36px; }
body[data-content-page="article"] .article-title { font-size: clamp(28px, 3.4vw, 42px); line-height: 1.4; }
.article-body, .paid-zone { color: var(--text-2); font-size: 16px; line-height: 2.05; overflow-wrap: anywhere; }
.article-p { margin: 0 0 1.55em; }
.article-body h2, .paid-zone h2 { margin: 2.3em 0 .8em; color: var(--text); font-size: 1.55em; line-height: 1.45; }
.article-body h3, .paid-zone h3 { margin: 2em 0 .6em; color: var(--text); font-size: 1.2em; }
.article-body :is(code, pre), .paid-zone :is(code, pre) { font-family: var(--font-mono); font-size: .9em; }
.article-body code, .paid-zone code { padding: .15em .35em; background: var(--ink-3); border-radius: 4px; }
.article-body pre, .paid-zone pre { max-width: 100%; overflow-x: auto; padding: 18px; border: 1px solid var(--line); border-radius: 10px; background: var(--ink-2); }
.article-body pre code, .paid-zone pre code { padding: 0; background: none; }
.article-body img, .paid-zone img { max-width: 100%; height: auto; border-radius: 12px; }
.article-body table, .paid-zone table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
.article-body th, .article-body td, .paid-zone th, .paid-zone td { border: 1px solid var(--line-2); padding: 9px 12px; text-align: left; }
.article-body ul, .article-body ol, .paid-zone ul, .paid-zone ol { padding-left: 1.4em; margin-block: 1em; }
.article-body li, .paid-zone li { padding-left: .2em; }

.paid-zone { margin-top: 42px; }
.paywall { position: relative; border: 1px solid var(--line-2); border-radius: var(--radius-lg); overflow: hidden; background: var(--ink-2); }
.paywall-preview { max-height: 190px; overflow: hidden; filter: blur(5px); opacity: .4; padding: 28px 32px 0; user-select: none; pointer-events: none; }
.paywall-gate { position: relative; z-index: 1; padding: 28px 32px 32px; background: linear-gradient(transparent, var(--ink-2) 14%); }
.paywall-label { color: var(--text); font-size: 18px; font-weight: 800; }
.paywall-sub { margin: 8px 0 20px; color: var(--text-2); font-size: 14px; line-height: 1.8; overflow-wrap: anywhere; }
.paywall-note { margin-top: 14px; color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.buy-btn { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 10px 24px; border-radius: 999px; background: var(--orange); color: #140a00; font-size: 15px; font-weight: 800; line-height: 1.4; }
.buy-btn:hover:not(:disabled) { background: var(--orange-2); }
.buy-btn:disabled { opacity: .55; cursor: default; }
.unlocked-note, .bundle-box { padding: 20px 24px; margin-bottom: 24px; border: 1px solid var(--line-2); border-radius: 12px; background: var(--ink-2); }
.unlocked-note { color: var(--ok); }
.bundle-box p { margin-bottom: 18px; }
.redeem-panel { padding: clamp(24px, 4vw, 40px); margin-top: 34px; border: 1px solid var(--line-2); border-radius: var(--radius-lg); background: var(--ink-2); }
.redeem-panel .detail-missing { margin: 0; }

/* 既存の導入 CTA を旧 styles.css なしで使うため、変数と余白を現行 Lab に合わせる。 */
.connect-cta { --panel: var(--ink-2); --card: var(--ink-3); --edge: var(--line-2); --accent: var(--orange); --accent-soft: var(--orange-soft); --free: var(--ok); --free-soft: rgba(123,216,143,.12); margin: 10px 0 36px; padding: 24px; background: var(--ink-2); border: 1px solid var(--line-2); border-radius: var(--radius-lg); }
.connect-cta-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.connect-cta-copy { flex: 1 1 280px; min-width: 0; }
.connect-cta-body { font-size: 14px; line-height: 1.8; }
.connect-cta-steps { margin: 12px 0; padding-left: 1.4em; color: var(--text-2); font-size: 13px; }
.connect-cta-note, .connect-cta-cli { color: var(--muted); font-size: 12px; margin-top: 8px; }
.connect-cta-cli { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.connect-cta-cli code { padding: 3px 7px; background: var(--ink-3); border-radius: 5px; color: var(--text); }
.connect-cta-copy-btn, .connect-cta-link { display: inline-block; padding: 6px 13px; border: 1px solid var(--line-2); border-radius: 999px; color: var(--orange-2); font-size: 12px; font-weight: 700; }
.connect-cta-copy-btn:hover, .connect-cta-link:hover { border-color: var(--orange); }
.connect-cta-links { display: flex; flex-wrap: wrap; gap: 8px; }
.connect-cta-link-primary { background: var(--orange); color: #140a00; }
.cta-diagram-steps { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.cta-diagram-step { width: 76px; font-size: 11px; text-align: center; color: var(--muted); }
.cta-diagram-icon { width: 52px; height: 39px; margin: auto; }
.cta-diagram-arrow { display: flex; align-items: center; }
.cta-diagram-arrow svg { width: 12px; height: 12px; }
.copy-fallback { position: fixed; z-index: 1100; left: 50%; bottom: 20px; transform: translateX(-50%); width: min(92vw, 480px); padding: 16px; border: 1px solid var(--line-2); border-radius: 12px; background: var(--ink-2); box-shadow: 0 16px 48px rgba(0,0,0,.5); color: var(--text-2); font-size: 13px; }
.copy-fallback span { display: block; margin-bottom: 8px; }
.copy-fallback textarea { width: 100%; min-height: 70px; padding: 10px; border: 1px solid var(--line-2); border-radius: 6px; background: var(--ink); color: var(--text); font: 13px var(--font-mono); resize: vertical; }

/* redeem は従来の pending action を扱う auth-gate.js を使う。モーダルを現行テーマに合わせる。 */
.email-gate-backdrop[hidden] { display: none; }
.email-gate-backdrop { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 16px; background: rgba(0,0,0,.75); overflow-y: auto; }
.email-gate-dialog { position: relative; width: min(100%, 480px); max-height: calc(100dvh - 32px); overflow-y: auto; padding: clamp(24px, 5vw, 38px); border: 1px solid var(--line-2); border-radius: 20px; background: var(--ink-2); box-shadow: 0 24px 80px rgba(0,0,0,.65); }
.email-gate-dialog h2 { margin-right: 34px; font-size: 25px; }
.email-gate-dialog p { margin-top: 10px; color: var(--text-2); font-size: 14px; }
.email-gate-benefits { color: var(--muted) !important; }
.email-gate-close { position: absolute; top: 16px; right: 18px; width: 34px; height: 34px; border-radius: 50%; color: var(--text-2); font-size: 24px; }
.email-gate-field { display: grid; gap: 8px; margin-top: 24px; font-size: 13px; font-weight: 700; }
.email-gate-field input { width: 100%; min-height: 48px; padding: 10px 14px; border: 1px solid var(--line-2); border-radius: 9px; background: var(--ink); color: var(--text); font: inherit; }
.email-gate-optin { display: flex; align-items: center; gap: 8px; margin: 16px 0; font-size: 13px; }
.email-gate-optin input { width: 18px; height: 18px; accent-color: var(--orange); }
.email-gate-submit { min-height: 48px; width: 100%; border-radius: 999px; background: var(--orange); color: #140a00; font-weight: 800; }
.email-gate-submit:disabled { opacity: .6; }
.email-gate-message { margin-top: 12px; font-size: 13px; color: var(--text-2); overflow-wrap: anywhere; }
.email-gate-message a { color: var(--orange-2); text-decoration: underline; }
body.email-gate-open { overflow: hidden; }

@media (max-width: 640px) {
  .content-section { padding-top: calc(var(--nav-h) + 42px); }
  .content-head { padding-bottom: 28px; }
  .update-row { grid-template-columns: 1fr auto; gap: 7px 12px; }
  .update-text { grid-column: 1 / -1; }
  .article-meta { gap: 7px 12px; }
  .article-body, .paid-zone { font-size: 15px; line-height: 1.95; }
  .paywall-preview, .paywall-gate { padding-inline: 20px; }
  .connect-cta { padding: 20px; }
  .cta-diagram-steps { display: none; }
  .redeem-panel .buy-btn { width: 100%; }
}