/* =========================================================
   Air inner — TOP（.theme-air）の見た目を下層ページに適用する
   service-ai-dx.html で確認用。承認後、他の下層ページへ展開する。
   styles.css の後に読み込む。
   ========================================================= */
.theme-air {
  --red: #d93b48; --brand: #d93b48; --brand-deep: #b92f3b;
  --ink: #1f2937; --ink-strong: #4b5563; --ink-muted: #6b7280;
  --paper: #fff; --surface: #fff; --sec: #f8f9fa; --rule: #e5e7eb;
  --sky: #bae6fd; --lav: #d8b4fe;
  --air-bar: linear-gradient(90deg, #d93b48, #d8b4fe, #bae6fd);
  --air-shadow: 0 20px 60px rgba(0,0,0,.08);
  --air-shadow-sm: 0 6px 24px rgba(17,24,39,.06);
  --r-card: 12px;
  background: #fff; color: var(--ink);
}
.theme-air .grain { display: none; }
.theme-air .nav { background: rgba(255,255,255,.92); }
.theme-air .btn { border-radius: 50px; }
.theme-air .btn-primary { background: var(--red); }
.theme-air .btn-primary:hover { background: var(--red); opacity: .88; box-shadow: none; }
.theme-air .btn-outline { border-color: var(--red); color: var(--red); background: #fff; }
.theme-air .badge-gold { background: #fdecef; color: var(--red); }

/* 比較用バー */
.compare-bar { display: block; text-align: center; background: #1f2937; color: #fff; font-size: 13px; padding: 8px 16px; letter-spacing: .04em; }
.compare-bar:hover { background: #111827; }

/* ---- 見出し（中央・赤の明朝 eyebrow・赤い短線） ---- */
.air-head { text-align: center; max-width: 820px; margin: 0 auto; }
.air-head .eyebrow { display: block; font-family: var(--f-serif); font-weight: 700; font-size: 14px; letter-spacing: .1em; color: var(--red); text-transform: none; margin-bottom: 16px; }
.air-head .eyebrow::before, .air-head .eyebrow::after { display: none; content: none; }
.air-head .h1 { font-size: clamp(26px, 3vw, 38px); letter-spacing: .04em; line-height: 1.5; }
.air-line { display: block; width: 48px; height: 2px; margin: 24px auto 0; background: var(--red); }
.air-head .lead { margin: 24px auto 0; max-width: 640px; font-size: 15px; color: var(--ink-strong); text-align: center; }

/* ---- セクション（白 / #f8f9fa 交互） ---- */
.air-sec { padding: clamp(72px, 9vw, 112px) 0; background: #fff; border: 0; }
.air-sec.air-alt { background: var(--sec); }
.air-sec .container > .grid, .air-sec .air-checks, .air-sec .air-vs { margin-top: 56px; }
.air-sec .container > .plan-table, .air-sec .container > .plan-wrap { margin-top: 48px; }

/* ---- カード ---- */
.theme-air .card, .air-card, .theme-air .faq-item {
  background: #fff; border: 0; border-radius: var(--r-card); box-shadow: var(--air-shadow-sm); overflow: hidden; position: relative;
}
.theme-air .card::before, .air-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--air-bar); }
.theme-air .rule-gold { background: var(--red); }
.theme-air .card:hover { background: #fff; box-shadow: var(--air-shadow); transform: none; }
.theme-air .faq-item[open] { background: #fff; }

/* ---- ファーストビュー ---- */
.air-hero { position: relative; background: #fff; overflow: hidden; }
.air-hero-bg { position: absolute; inset: 0; background:
  linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.88) 45%, rgba(255,255,255,.55) 100%),
  url('service-ai-dx.jpg') center/cover no-repeat; }
.air-hero-bg::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 120px; background: linear-gradient(180deg, rgba(255,255,255,0), #fff); }
.air-hero-in { position: relative; z-index: 2; padding-top: clamp(48px, 6vw, 96px); padding-bottom: clamp(64px, 7vw, 104px); }
.theme-air .air-hero .display { color: var(--ink); font-weight: 700; letter-spacing: .02em; }
.theme-air .air-hero .lead { color: var(--ink-strong); }
.theme-air .fv-crumb, .theme-air .fv-crumb-sep { color: var(--ink-muted); }
.theme-air .fv-tag { color: var(--red); font-family: var(--f-serif); font-weight: 700; letter-spacing: .1em; }
.theme-air .fv-video-frame { border-radius: var(--r-card); box-shadow: var(--air-shadow); overflow: hidden; }

/* ---- 課題チェック ---- */
.air-checks { max-width: 760px; margin-left: auto; margin-right: auto; display: grid; gap: 14px; }
.air-checks .check-item { background: #fff; border-radius: var(--r-card); box-shadow: var(--air-shadow-sm); padding: 20px 26px; font-size: 17px; line-height: 1.7; color: var(--ink); cursor: default; }

/* ---- OUR STANCE（白カード 2 枚） ---- */
.air-vs { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; max-width: 980px; margin-left: auto; margin-right: auto; }
.air-card { padding: 0 0 32px; }
.air-card-label { padding: 28px 32px 0; font-family: var(--f-serif); font-weight: 700; font-size: 18px; color: var(--ink); }
.air-card--muted .air-card-label { color: var(--ink-muted); }
.air-card--ours .air-card-label { color: var(--red); }
.air-card ul { list-style: none; margin: 18px 0 0; padding: 0 32px; display: grid; gap: 12px; }
.air-card li { line-height: 1.8; font-size: 15px; padding-left: 1.6em; position: relative; color: var(--ink-strong); }
.air-card--muted li { color: var(--ink-muted); }
.air-card--muted li::before { content: "—"; position: absolute; left: 0; }
.air-card--ours li { color: var(--ink); font-weight: 500; }
.air-card--ours li::before { content: "◎"; position: absolute; left: 0; color: var(--red); }
@media (max-width: 800px) { .air-vs { grid-template-columns: 1fr; } }

/* ---- 数字 ---- */
.theme-air .stat-label { color: var(--ink-strong); }
.theme-air .stat-rule { background: var(--red); }
#why .grid.cols-3, #why .air-stats { text-align: center; }
#why .grid.cols-3 .stat-rule, #why .air-stats .stat-rule { margin-left: auto; margin-right: auto; }

/* ---- 進め方 ---- */
.theme-air .step-dot { box-shadow: 0 0 0 6px var(--sec), 0 0 0 7px var(--rule); }

/* ---- CTA（淡いグレー帯） ---- */
.air-sec.air-cta { background: #f4f6f8; text-align: center; }
.air-cta .eyebrow { display: block; font-family: var(--f-serif); font-weight: 700; font-size: 14px; letter-spacing: .1em; color: var(--red); text-transform: none; margin-bottom: 16px; }
.air-cta .eyebrow::before, .air-cta .eyebrow::after { display: none; content: none; }
.air-cta .h1 { font-size: clamp(26px, 3vw, 38px); letter-spacing: .04em; }
.air-cta .lead { color: var(--ink-strong); }

/* ---- フッター（TOP と同じ） ---- */
.theme-air .footer { background: #1f2937; margin-top: 0; }

/* 見出しの折り返し（句読点が行頭に来ないように） */
.theme-air .air-hero .display { font-size: clamp(30px, 3.4vw, 46px); line-height: 1.45; word-break: keep-all; overflow-wrap: anywhere; line-break: strict; }

/* ヒーローのページ内リンク */
.plan-link { color: var(--red); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
#process, #pricing { scroll-margin-top: 80px; }
/* GET STARTED は旧ページと同じ文字サイズ */
.air-cta .display { font-size: clamp(36px, 4.4vw, 56px); letter-spacing: .02em; }

/* プラン名の下の小さめボタン */
.plan-btn { margin-top: 14px; padding: 8px 16px; font-size: 12px; }
/* 先頭へ戻るボタン（「相談する」バーと同じ出現条件・同じ高さ。バーの右側） */
.theme-air .float-cta { right: 100px; }
.to-top { position: fixed; right: 24px; bottom: 24px; z-index: 40; width: 66px; height: 66px; padding: 0; border-radius: 50%; border: 0; background: var(--n-900); display: flex; align-items: center; justify-content: center; cursor: pointer; box-shadow: var(--sh-lg);
  opacity: 0; transform: translateY(20px) scale(.96); pointer-events: none; transition: all .5s cubic-bezier(.2,.7,.2,1); }
.to-top.is-visible { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.to-top-in { width: 42px; height: 42px; border-radius: 50%; background: var(--red); color: #fff; display: flex; align-items: center; justify-content: center; transition: background .25s; }
.to-top:hover .to-top-in { background: var(--brand-deep); }

/* 料金表のタイトル行（固定表示中も不透明） */
.theme-air .plan-head { background: #fdecef; color: var(--red); font-weight: 700; box-shadow: 0 1px 0 #f5c6cc, 0 6px 14px -10px rgba(0,0,0,.25); }
/* 料金表：角丸は外枠で切り抜き、固定表示中のタイトル行は四角にして、罫線とズレないようにする */
.theme-air .plan-table { overflow: clip; border-radius: var(--r-card); }
.theme-air .plan-head { border-radius: 0; }

/* ======== 下層ページ共通（AI人材・業務システム・アプリ開発・プライバシー） ======== */
.air-hero--hr .air-hero-bg { background-image: linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.88) 45%, rgba(255,255,255,.93) 100%), url('service-hr.jpg'); }
.air-hero--dev .air-hero-bg { background-image: linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.88) 45%, rgba(255,255,255,.93) 100%), url('service-dev.jpg'); }
.air-sub { margin-top: 10px; font-family: var(--f-mono); font-size: 12px; letter-spacing: .12em; color: var(--ink-muted); }
.air-head .air-strong { font-weight: 700; color: var(--ink); margin-top: 24px; }
.air-head .air-strong + .lead { margin-top: 10px; }
.air-head .lead.air-left { text-align: left; max-width: 68ch; }
.air-page-head { background: #fff; padding: clamp(40px, 5vw, 72px) 0 clamp(32px, 4vw, 56px); }
.air-page-head .fv-shoulder { justify-content: center; }
.theme-air .fv-crumb:last-child { color: var(--ink-muted); }

/* 要点カード（3 / 4 列） */
.air-points { display: grid; gap: 20px; margin: 56px auto 0; max-width: 1080px; }
.air-points--2 { grid-template-columns: repeat(2, 1fr); }
.air-points--3 { grid-template-columns: repeat(3, 1fr); }
.air-points--4 { grid-template-columns: repeat(4, 1fr); }
.air-point { position: relative; background: #fff; border-radius: var(--r-card); box-shadow: var(--air-shadow-sm); padding: 36px 26px 28px; overflow: hidden; }
.air-point::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--air-bar); }
.air-point-no { display: block; font-family: var(--f-serif); font-weight: 700; font-size: 26px; color: var(--red); margin-bottom: 10px; }
.air-point p { margin: 0; font-size: 14.5px; line-height: 1.9; color: var(--ink-strong); }
.air-point b { color: var(--ink); }
.air-points--lead .air-point b { display: block; font-size: 19px; line-height: 1.7; margin-bottom: 6px; }
@media (max-width: 960px) { .air-points--3, .air-points--4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .air-points--2, .air-points--3, .air-points--4 { grid-template-columns: 1fr; } }

/* サブ見出し（研修一覧など） */
.air-sec .tr-list-h { text-align: center; font-family: var(--f-serif); font-size: clamp(22px, 2.4vw, 28px); margin-top: 0; }
.air-sec .tr-list-h::after { content: ""; display: block; width: 48px; height: 2px; margin: 18px auto 0; background: var(--red); }
.air-sec .sub-block { margin-top: clamp(64px, 8vw, 96px); }
.air-sec .sub-block > .small { text-align: center; }

/* 年収タイル */
.theme-air .salary-tile { background: #fff; border-radius: var(--r-card); box-shadow: var(--air-shadow-sm); position: relative; overflow: hidden; }
.theme-air .salary-tile::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--air-bar); }
.theme-air .salary-tile:hover { background: #fff; box-shadow: var(--air-shadow); }
.theme-air .salary-line { background: var(--red); opacity: .5; }
.theme-air .pos-grid { gap: 20px; background: transparent; border: 0; }

/* 業務システム・アプリ開発 */
.air-checks .issue-item { background: #fff; border: 0; border-radius: var(--r-card); box-shadow: var(--air-shadow-sm); padding: 20px 26px; font-size: 16px; line-height: 1.7; color: var(--ink); transform: none; }
.air-checks .issue-item:hover { transform: none; }
.dev-menus { display: grid; gap: 16px; max-width: 980px; margin: 56px auto 0; }
.theme-air .dev-menu { background: #fff; border: 0; border-radius: var(--r-card); box-shadow: var(--air-shadow-sm); position: relative; overflow: hidden; }
.theme-air .dev-menu::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--air-bar); }
.theme-air .dev-menu:hover { transform: none; box-shadow: var(--air-shadow); }
.theme-air .dm-no { font-family: var(--f-serif); font-weight: 700; color: var(--red); }
.air-vwrap { margin-top: 56px; }
.theme-air .v-model { background: transparent; gap: 10px; }
.theme-air .v-stage { background: #fff; border-radius: var(--r-card); box-shadow: var(--air-shadow-sm); }
.theme-air .v-stage:hover { background: #fff; }
.theme-air .v-stage.strong { background: #fdecef; color: var(--ink); }
.theme-air .v-stage.strong .v-no, .theme-air .v-tag { color: var(--red); }

/* プライバシーポリシー */
.theme-air .privacy-doc { background: #fff; border-radius: var(--r-card); box-shadow: var(--air-shadow-sm); padding: clamp(28px, 4vw, 56px); }
.theme-air .privacy-no { font-family: var(--f-serif); font-weight: 700; }
.theme-air .privacy-contact { background: var(--sec); border-left: 2px solid var(--red); }
.air-page-head .fv-shoulder { margin-bottom: 28px; }

/* スマホ幅：ナビのリンクを隠し（TOPと同じ）、横はみ出しを防ぐ */
@media (max-width: 900px) { .theme-air .nav-link { display: none; } .theme-air .nav-links { gap: 12px; } .theme-air .nav-inner { gap: 12px; } }

/* ページ内リンクの共通ルール：見出しの固定ナビ分だけ余白を取る */
html { scroll-padding-top: 90px; }

/* AI人材：OUR STANCE の大きなページ内リンク */
.air-biglinks { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 920px; margin: 56px auto 0; }
.air-biglink { position: relative; display: block; background: #fff; border-radius: var(--r-card); box-shadow: var(--air-shadow-sm); padding: 40px 36px 36px; overflow: hidden; color: var(--ink); text-decoration: none; transition: box-shadow .3s, transform .3s; }
.air-biglink::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--air-bar); }
.air-biglink:hover { box-shadow: var(--air-shadow); transform: translateY(-3px); }
.air-biglink-k { display: block; font-family: var(--f-serif); font-weight: 700; font-size: 13px; letter-spacing: .1em; color: var(--red); }
.air-biglink-t { display: block; margin-top: 12px; font-family: var(--f-serif); font-weight: 700; font-size: clamp(20px, 2.2vw, 26px); line-height: 1.4; }
.air-biglink-s { display: block; margin-top: 12px; font-size: 14.5px; line-height: 1.8; color: var(--ink-strong); padding-right: 56px; }
.air-biglink-go { position: absolute; right: 28px; bottom: 28px; width: 44px; height: 44px; border-radius: 50%; background: var(--red); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 20px; }
@media (max-width: 700px) { .air-biglinks { grid-template-columns: 1fr; } }

/* AI Careers ロゴ */
.air-logo-h { margin: 0 auto; line-height: 0; }
.air-logo-h a { display: inline-block; }
.air-logo-h img { width: clamp(220px, 30vw, 360px); height: auto; display: block; }

/* 業務システム・アプリ開発：進め方（並行して進める図） */
.air-flow { max-width: 1000px; margin: 56px auto 0; background: #fff; border-radius: var(--r-card); box-shadow: var(--air-shadow-sm); padding: clamp(24px, 3vw, 40px); position: relative; overflow: hidden; }
.air-flow::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--air-bar); }
.af-axis { display: grid; grid-template-columns: 200px 72fr 28fr; margin-bottom: 14px; font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--ink-muted); }
.af-axis span { display: block; }
.af-grid { position: relative; display: grid; row-gap: 12px; }
.af-lane { display: grid; grid-template-columns: 200px 1fr; align-items: center; }
.af-name { font-family: var(--f-serif); font-weight: 700; font-size: 15px; line-height: 1.4; color: var(--ink); padding-right: 12px; }
.af-name small { display: inline-block; margin-left: 8px; padding: 1px 8px; border-radius: 50px; background: var(--red); color: #fff; font-family: var(--f-mono); font-size: 10px; letter-spacing: .1em; vertical-align: middle; }
.af-bar { height: 34px; border-radius: 50px; background: #fdecef; border: 1px solid #f5c6cc; position: relative; }
.af-core .af-bar { background: var(--red); border-color: var(--red); }
.af-b1 { margin-left: 0;   width: 58%; }
.af-b2 { margin-left: 12%; width: 58%; }
.af-b3 { margin-left: 0;   width: 70%; }
.af-b4 { margin-left: 62%; width: 24%; background: #eef2f6; border-color: #dde3ea; }
.af-b5 { margin-left: 82%; width: 18%; background: #eef2f6; border-color: #dde3ea; }
.af-sync { position: absolute; left: 200px; top: -6px; width: calc((100% - 200px) * .72); height: calc(3 * 34px + 2 * 12px + 12px); border: 2px dashed var(--red); border-radius: 18px; pointer-events: none; opacity: .45; }
.af-sync span { position: absolute; right: 14px; top: -12px; background: #fff; padding: 0 10px; font-size: 12px; font-weight: 700; color: var(--red); }
.af-note { margin: 22px 0 0; font-size: 13.5px; line-height: 1.8; color: var(--ink-strong); }
@media (max-width: 760px) {
  .af-axis { display: none; }
  .af-lane { grid-template-columns: 1fr; row-gap: 6px; }
  .af-sync { display: none; }
}

/* ヒーローのページ内リンク（下線なし、丸に下向きの＜） */
.air-jump { display: flex; gap: 10px 28px; flex-wrap: wrap; margin-top: 44px; font-size: 14px; }
.air-jump a { display: inline-flex; align-items: center; gap: 10px; color: var(--ink-strong); text-decoration: none; border: 0; padding: 0; }
.air-jump a::before { content: ""; flex: 0 0 24px; width: 24px; height: 24px; border-radius: 50%; background: var(--red) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M7 10l5 5 5-5' stroke='%23fff' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/24px 24px no-repeat; transition: transform .25s; }
.air-jump a:hover { color: var(--red); }
.air-jump a:hover::before { transform: translateY(2px); }

/* AI人材ページ：ヒーローのページ内リンク4つを、1行に並べる（広い画面） */
@media (min-width: 1100px) { .air-hero--hr .air-jump { flex-wrap: nowrap; white-space: nowrap; width: max-content; gap: 10px 24px; } }

/* 事業紹介動画の枠：「準備中」の表示をやめ、画像（poster）を見せる */
.theme-air .fv-vid-overlay { display: none; }
.theme-air .fv-video-frame { aspect-ratio: 16 / 9; background: #e9eef3; }
.theme-air .fv-vid { display: none; }
.air-hero--dx .fv-video-frame { background: #e9eef3 url("img/hero-a.webp") center/cover no-repeat; }
.air-hero--hr .fv-video-frame { background: #e9eef3 url("img/biz-hr.webp") center/cover no-repeat; }
.air-hero--dev .fv-video-frame { background: #e9eef3 url("img/biz-dev.webp") center/cover no-repeat; }
/* お試し導入の料金の補足 */
.plan-fee-note { margin: 6px 0 0 !important; font-size: 12px !important; line-height: 1.6 !important; color: var(--ink-muted) !important; }


/* 「なぜ、AI Human Capital なのか」：TOPの「選ばれる、4つの理由」と同じ見せ方 */
.air-str-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; max-width: 1000px; margin: 48px auto 0; }
.air-str { display: grid; grid-template-columns: minmax(0, 1fr) 86px; gap: 0 28px; align-items: center; padding: 36px 36px; background: #fff; border-radius: var(--r-card); box-shadow: var(--air-shadow-sm); }
.air-str-lab { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .2em; color: var(--red); }
.air-str h3 { margin: 10px 0 14px; font-family: var(--f-sans); font-weight: 700; font-size: clamp(19px, 1.7vw, 22px); color: var(--ink); }
.air-str p { margin: 0; font-size: 15px; line-height: 1.95; color: var(--ink-strong); }
.air-str-ico { width: 86px; height: 86px; }
@media (max-width: 900px) { .air-str-grid { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .air-str { grid-template-columns: minmax(0, 1fr) 64px; padding: 26px 22px; } .air-str-ico { width: 64px; height: 64px; } }
/* AI・DXのヒーロー見出し：スマホ幅で、読点が行頭に来ないよう、文字サイズを少し下げる */
@media (max-width: 480px) { .theme-air .air-hero--dx .display { font-size: 26px; } }

/* 進め方（フロー）：TOP の「HOW WE WORK」と同じデザイン（赤い点と大きな番号、薄い紫の線） */
.theme-air .r-flow { position: relative; margin-top: 40px; }
.theme-air .r-flow-line { position: absolute; left: 0; right: 0; top: 7px; height: 2px; width: 100%; overflow: visible; }
.theme-air .r-flow-line path { stroke: var(--lav); stroke-width: 2; fill: none; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 1.6s cubic-bezier(.2,.7,.2,1); }
.theme-air .is-drawn .r-flow-line path { stroke-dashoffset: 0; }
.theme-air .r-flow-steps { position: relative; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: clamp(16px, 2vw, 32px); }
.theme-air .r-flow-steps li { min-width: 0; padding: 0; }
.theme-air .r-flow-dot { display: block; width: 15px; height: 15px; border-radius: 50%; background: var(--paper, #fff); border: 1.5px solid var(--red); transition: background .4s cubic-bezier(.2,.7,.2,1); }
.theme-air .is-drawn .r-flow-dot { background: var(--red); }
.theme-air .is-drawn li:nth-child(1) .r-flow-dot { transition-delay: .1s; }
.theme-air .is-drawn li:nth-child(2) .r-flow-dot { transition-delay: .45s; }
.theme-air .is-drawn li:nth-child(3) .r-flow-dot { transition-delay: .8s; }
.theme-air .is-drawn li:nth-child(4) .r-flow-dot { transition-delay: 1.15s; }
.theme-air .is-drawn li:nth-child(5) .r-flow-dot { transition-delay: 1.5s; }
.theme-air .r-flow-no { display: block; margin-top: 22px; font-family: var(--f-serif); font-weight: 700; color: var(--red); font-size: clamp(32px, 3vw, 44px); line-height: 1; }
.theme-air .r-flow-t { margin: 14px 0 8px; font-family: var(--f-serif); font-weight: 600; font-size: 19px; }
.theme-air .r-flow-s { font-size: 13.5px; line-height: 1.8; color: var(--ink-strong, var(--ink)); }
@media (max-width: 900px) {
  .theme-air .r-flow-line { left: 7px; right: auto; top: 0; bottom: 0; width: 2px; height: 100%; }
  .theme-air .r-flow-line path { stroke-dasharray: none; stroke-dashoffset: 0; }
  .theme-air .r-flow-steps { grid-template-columns: 1fr; gap: 0; }
  .theme-air .r-flow-steps li { display: grid; grid-template-columns: 15px 64px minmax(0, 1fr); gap: 0 18px; padding-bottom: 28px; align-items: start; }
  .theme-air .r-flow-no { margin-top: 0; font-size: 36px; grid-column: 2; grid-row: 1 / span 2; }
  .theme-air .r-flow-t { margin: 2px 0 4px; grid-column: 3; }
  .theme-air .r-flow-s { grid-column: 3; }
  .theme-air .r-flow-dot { grid-row: 1; margin-top: 8px; }
}
@media (prefers-reduced-motion: reduce) { .theme-air .r-flow-line path { stroke-dashoffset: 0; transition: none; } }