@charset "UTF-8";
/*
 * ======================================
 * 株式会社沖縄工設 サイト固有CSS（site.css）
 * 追加クラス一覧（共通SCSS取り込み検討用）
 * ======================================
 *
 * .ok-eyebrow         - 英字小見出し（Josefin / letter-spacing大）。--cyan / --accent / --wide
 * .ok-h2              - セクション見出し（900）。--xl / --sm
 * .ok-bar-h / .ok-bar - 左に縦バーを持つ小見出し
 * .ok-btn             - ボタン基底。--solid / --outline-navy / --outline-accent / --full
 * .ok-arrow           - Josefin の矢印（→）
 * .ok-note            - 等幅の注釈テキスト（※…）
 * .ok-header          - 透過→スクロールで白背景の固定ヘッダー。--solid / --static
 * .ok-burger / .ok-drawer - SP用ハンバーガー＋ドロワー
 * .ok-hero            - TOPメインビュー（スライダー）
 * .ok-stats           - 濃紺の実績数値バンド
 * .ok-biz / .ok-bizcard      - 事業内容カード
 * .ok-newsblock / .ok-newslist - お知らせ（TOP / 一覧）
 * .ok-pagelinks / .ok-pagecard - ページ案内カード（濃紺）
 * .ok-cta             - 採用CTA帯
 * .ok-phero           - 下層ページヒーロー。--pattern / --recruit
 * .ok-block / .ok-band - 下層セクションのラッパー
 * .ok-message / .ok-philo / .ok-creed - 会社概要 代表挨拶・理念社訓
 * .ok-deflist         - 項目／内容の定義リスト（会社情報）
 * .ok-timeline        - 沿革（縦線＋ドット）
 * .ok-certcard        - ISO・宣言カード
 * .ok-dept / .ok-thumb - 部門紹介カード＋施工事例サムネ
 * .ok-merit / .ok-persona / .ok-benefit - 採用 各カード
 * .ok-jobtabs / .ok-jobtab / .ok-jobpanel / .ok-job - 募集要項タブ＋求人カード
 * .ok-newswrap / .ok-article - お知らせ一覧 / 詳細
 * .ok-form / .ok-form-done - 入力フォーム
 * .ok-lb              - 施工事例ライトボックス
 * .ok-pagetop         - ページトップボタン
 *
 * ======================================
 * 共通SCSSに不足していたもの（5分類）
 * ======================================
 * ・構造不足：透過→白へ切り替わる固定ヘッダー（ロゴ反転・現在地バー）／
 *   濃紺背景＋シアンEN＋角丸0 のコーポレート系トンマナ一式
 * ・装飾パターン不足：濃紺ページ案内カード・縦線ドット沿革・斜線プレースホルダー
 * ・値の粒度不足：clamp() ベースの見出しサイズ、24/26/34/42px 等の固有スケール
 */

:root {
  --accent: #0000e6;
  --navy: #01053d;
  --cyan: #7fd6e4;
  --radius: 0px;
}

@keyframes okRise {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* スクロールで各コンテンツがふわっと上に出る簡単な動き（JS有効時のみ隠す＝JS無効でも表示される） */
.js .ok-fade { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.js .ok-fade.is-in { opacity: 1; transform: none; }
.ok-fade--d1 { transition-delay: .1s; }
.ok-fade--d2 { transition-delay: .2s; }
@media (prefers-reduced-motion: reduce) {
  .js .ok-fade { opacity: 1; transform: none; transition: none; }
}

/* ============ 共通あしらい ============ */
.ok-eyebrow {
  font-family: "Josefin Sans", sans-serif;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.26em;
  color: var(--accent);
  line-height: 1.4;
}
.ok-eyebrow--cyan { color: var(--cyan); letter-spacing: 0.3em; }
.ok-eyebrow--accent { color: var(--accent); }
.ok-eyebrow--wide { letter-spacing: 0.3em; }

.ok-h2 {
  margin: 10px 0 0;
  font-weight: 900;
  font-size: clamp(26px, 3.4vw, 40px);
  letter-spacing: 0.02em;
  color: var(--navy);
  line-height: 1.3;
}
.ok-h2--xl { font-size: clamp(28px, 3.6vw, 42px); }
.ok-h2--sm { font-size: clamp(24px, 3vw, 34px); }
.ok-h2--mb { margin-bottom: 36px; }
.ok-h2--mb-sm { margin-bottom: 12px; }
.ok-h2--mb-news { margin-bottom: 24px; }

.ok-bar-h {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 12px;
  line-height: 1.4;
}
.ok-bar { width: 6px; height: 22px; background: var(--accent); display: block; flex: none; }
.ok-bar-h--mb { margin-bottom: 12px; }
.ok-bar-h--mb-lg { margin-bottom: 18px; }

.ok-arrow { font-family: "Josefin Sans", sans-serif; }
.ok-sp-br { display: none; } /* スマホ時のみ改行 */
/* .ok-pc-br: PCのみ改行（スマホでは改行しない）→ SP指定は @media(max-width:720px) 内 */
.ok-note { font-family: ui-monospace, monospace; font-size: 11px; color: #a6abc4; }
.ok-note--mt { margin-top: 14px; }
.ok-note--mt-xs { margin-top: 6px; }

/* ============ ボタン ============ */
.ok-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.4;
  padding: 15px 36px;
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: opacity .2s, background .25s, color .25s;
}
.ok-btn--solid { background: var(--accent); color: #fff; }
.ok-btn--solid:hover { opacity: .9; }
.ok-btn--outline-navy { background: #fff; color: var(--navy); border-color: var(--navy); }
.ok-btn--outline-navy:hover { background: var(--navy); color: #fff; }
.ok-btn--outline-accent { background: transparent; color: var(--accent); border: 1px solid var(--accent); font-size: 13px; padding: 11px 26px; font-weight: 700; }
.ok-btn--outline-accent:hover { background: var(--accent); color: #fff; }
.ok-btn--full { width: 100%; }

/* ============ ヘッダー ============ */
.ok-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 74px;
  z-index: 100;
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  color: #ffffff;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: background .3s, border-color .3s, color .3s;
}
.ok-header__inner {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.ok-header__logo { display: flex; align-items: center; flex: none; text-decoration: none; }
.ok-header__logo img { height: 38px; width: auto; display: block; filter: brightness(0) invert(1); transition: filter .3s; }
.ok-header__nav { margin-left: auto; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.ok-header__nav-link {
  position: relative;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: inherit;
  text-decoration: none;
  transition: opacity .2s;
}
.ok-header__nav-link:hover { opacity: .7; }
.ok-header__nav-link.is-current::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 2px;
  background: var(--cyan);
}
.ok-header__side { display: flex; align-items: center; gap: 14px; flex: none; }
.ok-header__tel { text-decoration: none; color: inherit; display: flex; flex-direction: column; line-height: 1.1; }
.ok-header__tel-lbl { font-family: "Josefin Sans", sans-serif; font-size: 9px; letter-spacing: 0.16em; opacity: .7; }
.ok-header__tel-num { font-weight: 700; font-size: 16px; letter-spacing: 0.02em; }
.ok-header__ig {
  width: 42px; height: 42px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(45deg, #feda75 0%, #fa7e1e 25%, #d62976 50%, #962fbf 75%, #4f5bd5 100%);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; color: #fff;
  transition: transform .2s;
}
.ok-header__ig:hover { transform: scale(1.08); }
.ok-ig-icon { color: #fff; font-size: 22px; line-height: 1; }
.ok-header__cta {
  text-decoration: none;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 13.5px;
  padding: 11px 20px;
  border-radius: var(--radius);
  white-space: nowrap;
}
/* 白背景（スクロール時 / ヒーローなしページ） */
.ok-header--solid {
  background: rgba(254, 254, 254, .92);
  border-bottom: 1px solid #e7eaf3;
  color: var(--navy);
}
.ok-header--solid .ok-header__logo img { filter: none; }
.ok-header--solid .ok-header__ig { border-color: #d3d8e8; }
.ok-header--solid .ok-header__nav-link.is-current::after { background: var(--accent); }

/* ---- PCナビ ドロップダウン ---- */
.ok-header__nav-item { position: relative; display: flex; align-items: center; }
.ok-header__dropdown {
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 140px;
  width: max-content;
  background: rgba(254, 254, 254, .98);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid #e7eaf3;
  box-shadow: 0 16px 36px rgba(1, 5, 61, .16);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .22s, transform .22s, visibility .22s;
  z-index: 120;
}
.ok-header__nav-item.has-dropdown:hover .ok-header__dropdown,
.ok-header__nav-item.has-dropdown:focus-within .ok-header__dropdown {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.ok-header__dropdown-link {
  display: block; white-space: nowrap;
  padding: 11px 18px;
  font-size: 13.5px; font-weight: 500;
  color: var(--navy); text-decoration: none;
  transition: background .18s, color .18s;
}
.ok-header__dropdown-link:hover { background: var(--accent); color: #fff; }

/* アンカー遷移時に固定ヘッダーへ隠れないよう余白を確保 */
html { scroll-behavior: smooth; }
#message, #philosophy, #company-data, #history, #contact,
#merit, #persona, #benefits, #requirements, #entry,
.ok-dept[id] { scroll-margin-top: 94px; }

/* ハンバーガー（ヘッダー外・最前面） */
.ok-burger {
  display: none;
  position: fixed;
  top: 13px; right: 14px;
  z-index: 310;
  width: 46px; height: 46px;
  flex-direction: column; justify-content: center; gap: 5px;
  background: rgba(255, 255, 255, .85);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: none; cursor: pointer; padding: 0;
}
.ok-burger span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 0 auto; transition: transform .3s, opacity .3s, background .3s; }
.ok-burger.is-active { background: transparent; }
.ok-burger.is-active span { background: #fff; }
.ok-burger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ok-burger.is-active span:nth-child(2) { opacity: 0; }
.ok-burger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* SPドロワー */
.ok-drawer {
  position: fixed; inset: 0;
  z-index: 300;
  background: linear-gradient(135deg, rgba(1, 5, 61, .97), rgba(0, 0, 32, .98));
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 90px 30px 40px;
  opacity: 0; visibility: hidden;
  transition: opacity .35s, visibility .35s;
  overflow-y: auto;
}
.ok-drawer.is-open { opacity: 1; visibility: visible; }
.ok-drawer__list { width: 100%; max-width: 320px; }
.ok-drawer__link {
  display: block; text-align: center;
  color: #fff; font-size: 16px; font-weight: 600;
  text-decoration: none; padding: 18px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, .15);
}
.ok-drawer__list .ok-drawer__link:first-child { border-top: 1px solid rgba(255, 255, 255, .15); }
.ok-drawer__foot { margin-top: 30px; width: 100%; max-width: 320px; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.ok-drawer__tel { color: #fff; font-family: "Josefin Sans", sans-serif; font-size: 22px; font-weight: 700; text-decoration: none; letter-spacing: 0.02em; }

/* ---- SPドロワー アコーディオン ---- */
.ok-drawer__group { border-bottom: 1px solid rgba(255, 255, 255, .15); }
.ok-drawer__group:first-child { border-top: 1px solid rgba(255, 255, 255, .15); }
.ok-drawer__row { position: relative; display: flex; align-items: center; justify-content: center; }
.ok-drawer__row .ok-drawer__link { border: 0; }
.ok-drawer__acc {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px;
  background: transparent; border: 0; color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; transition: transform .25s;
}
.ok-drawer__group.is-open .ok-drawer__acc { transform: translateY(-50%) rotate(180deg); }
.ok-drawer__sub { max-height: 0; overflow: hidden; transition: max-height .32s ease; }
.ok-drawer__group.is-open .ok-drawer__sub { max-height: 420px; }
.ok-drawer__sublink {
  display: block; text-align: center;
  color: rgba(255, 255, 255, .82); font-size: 14px; font-weight: 500;
  text-decoration: none; padding: 13px 8px;
}
.ok-drawer__sub .ok-drawer__sublink:last-child { padding-bottom: 20px; }

/* ============ TOP メインビュー（CMSスライダー差し替え対応／§10.1） ============ */
.ok-hero { position: relative; height: min(86vh, 720px); overflow: hidden; background: var(--navy); }
/* #slideshow（外枠）：CMSスライダーは height:100% で外枠に追従する。
   z-index:1 で内部Swiper（pagination等）の重なりを閉じ込め、スクリム/キャッチを上に出す */
.ok-hero__slideshow { position: absolute; inset: 0; height: 100%; z-index: 1; }
/* CMSスライダー出力（Swiper構造）を外枠いっぱいに追従させる */
.ok-hero__slideshow #cms-slider-1-1-area,
.ok-hero__slideshow .swiper,
.ok-hero__slideshow .swiper-container,
.ok-hero__slideshow .swiper-wrapper,
.ok-hero__slideshow .swiper-slide,
.ok-hero__slideshow .main_slider__inner { width: 100%; height: 100%; }
.ok-hero__slideshow img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ok-hero__scrim { position: absolute; inset: 0; z-index: 2; pointer-events: none; background: linear-gradient(90deg, rgba(1, 5, 61, .78) 0%, rgba(1, 5, 61, .22) 45%, rgba(1, 5, 61, 0) 100%); }
.ok-hero__body { position: absolute; inset: 0; z-index: 3; pointer-events: none; display: flex; align-items: center; }
.ok-hero__inner { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.ok-hero__anim { animation: okRise .9s ease both; pointer-events: auto; }
.ok-hero__en { font-family: "Josefin Sans", sans-serif; font-weight: 500; font-size: 14px; letter-spacing: 0.34em; color: var(--cyan); margin-bottom: 22px; }
.ok-hero__title { margin: 0; font-weight: 900; font-size: clamp(40px, 6.6vw, 84px); line-height: 1.15; color: #fff; letter-spacing: 0.02em; }
.ok-hero__lead { margin: 26px 0 0; font-size: clamp(16px, 1.8vw, 21px); color: #dfe4f4; font-weight: 500; }
.ok-hero__cta { margin-top: 40px; }

/* ============ 実績数値バンド ============ */
.ok-stats { background: var(--navy); color: #fff; }
.ok-stats__inner { max-width: 1240px; margin: 0 auto; padding: 46px 24px; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; text-align: center; }
.ok-stats__inner > div { border-left: 1px solid rgba(255, 255, 255, .2); }
.ok-stats__inner > div:first-child { border-left: none; }
.ok-stats__num { font-family: "Josefin Sans", sans-serif; font-weight: 600; font-size: 46px; line-height: 1; color: var(--cyan); }
.ok-stats__unit { font-size: 20px; margin-left: 3px; }
.ok-stats__label { margin-top: 10px; font-size: 13.5px; color: #c6cdec; letter-spacing: 0.04em; }

/* ============ 事業内容 ============ */
.ok-biz { max-width: 1240px; margin: 0 auto; padding: 104px 24px 40px; }
.ok-biz__lead { max-width: 660px; color: #475079; margin: 18px 0 0; font-size: 15.5px; }
.ok-biz__grid { margin-top: 48px; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.ok-bizcard { color: inherit; display: block; border: 1px solid #e7eaf3; border-radius: var(--radius); overflow: hidden; background: #fff; }
.ok-biz__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.ok-biz__intro { flex: 1 1 480px; }
.ok-biz__headbtn { flex: none; margin-bottom: 4px; }
.ok-bizcard__img { height: 220px; background-color: #e9edf6; background-size: cover; background-position: center; }
.ok-bizcard__body { padding: 26px; }
.ok-bizcard__en { font-family: "Josefin Sans", sans-serif; font-size: 11px; letter-spacing: 0.2em; color: var(--accent); }
.ok-bizcard__title { margin: 6px 0 10px; font-size: 20px; font-weight: 700; color: var(--navy); }
.ok-bizcard__desc { margin: 0; font-size: 14px; color: #52597c; }

/* ============ お知らせ ============ */
.ok-newsblock { max-width: 1240px; margin: 0 auto; padding: 80px 24px; }
.ok-newsblock__grid { display: grid; grid-template-columns: 300px 1fr; gap: 40px 60px; align-items: start; }
@media (max-width: 820px) {
  .ok-newsblock__grid { grid-template-columns: 1fr; gap: 28px; }
}
.ok-newsblock__head .ok-h2 { margin: 10px 0 24px; }
.ok-newslist { border-top: 1px solid #e7eaf3; }
.ok-newslist--strong { border-top: 2px solid var(--navy); }
.ok-newslist__item { text-decoration: none; color: inherit; display: flex; align-items: center; gap: 18px; padding: 20px 6px; border-bottom: 1px solid #e7eaf3; flex-wrap: wrap; transition: background .2s; }
.ok-newslist__item:hover { background: #fafbfe; }
.ok-newslist__date { font-family: "Josefin Sans", sans-serif; font-size: 14px; color: #8089a8; min-width: 90px; }
.ok-newslist__title { font-size: 14.5px; font-weight: 500; flex: 1; color: var(--navy); }
.ok-newslist__arrow { color: #c2c8df; font-family: "Josefin Sans", sans-serif; }
.ok-newslist--page .ok-newslist__item { gap: 22px; padding: 24px 6px; }
.ok-newslist--page .ok-newslist__date { min-width: 96px; }
.ok-newslist--page .ok-newslist__title { font-size: 15.5px; }
/* TOPお知らせ：3件以上はスクロール表示（高さ約3件分で固定） */
.ok-newslist--scroll { max-height: 232px; overflow-y: auto; }
.ok-newslist--scroll::-webkit-scrollbar { width: 6px; }
.ok-newslist--scroll::-webkit-scrollbar-thumb { background: #c2c8df; border-radius: 3px; }

/* ============ ページ案内 ============ */
.ok-pagelinks { max-width: 1240px; margin: 0 auto; padding: 20px 24px 100px; }
.ok-pagelinks__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.ok-pagecard { text-decoration: none; position: relative; overflow: hidden; border-radius: var(--radius); background-color: var(--navy); background-size: cover; background-position: center; color: #fff; padding: 38px 30px; min-height: 380px; display: flex; flex-direction: column; justify-content: flex-end; transition: transform .3s; }
/* 濃紺オーバーレイ（下を濃く）で写真上のテキストを読みやすく。
   ホバーで中央から円がぶわっと広がり、レイヤーカラーが消える（radial-gradient マスク＋@property でアニメ） */
@property --ok-hole {
  syntax: "<percentage>";
  inherits: false;
  initial-value: 0%;
}
.ok-pagecard::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(to top, rgba(1, 5, 61, .92) 0%, rgba(1, 5, 61, .6) 45%, rgba(1, 5, 61, .35) 100%);
  -webkit-mask: radial-gradient(circle at 50% 50%, transparent var(--ok-hole), #000 calc(var(--ok-hole) + 0.5%));
  mask: radial-gradient(circle at 50% 50%, transparent var(--ok-hole), #000 calc(var(--ok-hole) + 0.5%));
  transition: --ok-hole .55s ease;
}
.ok-pagecard:hover { transform: translateY(-4px); }
.ok-pagecard:hover::before { --ok-hole: 110%; }
.ok-pagecard__en { position: relative; z-index: 1; font-family: "Josefin Sans", sans-serif; font-size: 11px; letter-spacing: 0.2em; color: var(--cyan); text-shadow: 0 1px 10px rgba(1, 5, 61, .6); }
.ok-pagecard__title { position: relative; z-index: 1; margin: 6px 0 0; font-size: 23px; font-weight: 700; text-shadow: 0 1px 12px rgba(1, 5, 61, .6); }
.ok-pagecard__sub { position: relative; z-index: 1; margin-top: 8px; font-size: 13px; color: #dfe4f4; text-shadow: 0 1px 10px rgba(1, 5, 61, .6); }

/* ============ 採用CTA帯 ============ */
.ok-cta { background: #f5f7fc; }
.ok-cta__inner { max-width: 1140px; margin: 0 auto; padding: 80px 24px; text-align: center; }
.ok-cta__title { margin: 14px 0 14px; font-weight: 900; font-size: clamp(26px, 3.6vw, 40px); color: var(--navy); }
.ok-cta__lead { margin: 0 0 32px; color: #52597c; font-size: 15.5px; }
.ok-cta__btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============ 下層ヒーロー ============ */
.ok-phero { background: var(--navy); color: #fff; position: relative; overflow: hidden; }
.ok-phero__bg { position: absolute; inset: 0; background-size: cover; background-position: center 30%; }
.ok-phero__veil { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(1, 5, 61, .86) 0%, rgba(1, 5, 61, .55) 60%, rgba(1, 5, 61, .32) 100%); }
.ok-phero--pattern::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(45deg, #10163f, #10163f 22px, #161d4d 22px, #161d4d 44px); opacity: .5; }
.ok-phero__inner { position: relative; max-width: 1140px; margin: 0 auto; padding: 144px 24px 104px; }
.ok-phero__title { margin: 16px 0 12px; font-weight: 900; font-size: clamp(30px, 4.4vw, 52px); line-height: 1.35; }
.ok-phero__sub { margin: 0; font-size: 15px; color: #c6cdec; }
.ok-phero__lead { max-width: 760px; margin: 0; font-size: 16px; color: #dfe4f4; }
.ok-phero--recruit .ok-phero__inner { padding: 120px 24px 90px; }

/* ============ 下層セクション ラッパー ============ */
.ok-block { max-width: 1140px; margin: 0 auto; padding: 90px 24px 30px; }
.ok-block--tight { padding: 70px 24px 40px; }
.ok-block--flush { padding: 40px 24px 30px; }
.ok-block__note { margin: 22px 0 0; font-size: 12.5px; color: #8089a8; }
.ok-band { background: #f5f7fc; }
.ok-band--mt { margin-top: 70px; }
.ok-band--mt80 { margin-top: 80px; }
.ok-band__inner { max-width: 1140px; margin: 0 auto; padding: 80px 24px; }
.ok-band__note { margin: 36px 0 0; font-size: 14.5px; color: #3a4268; max-width: 820px; }

.ok-lead-p { color: #3a4268; font-size: 15.5px; line-height: 2; margin: 0 0 1.4em; }
.ok-lead-p:last-of-type { margin-bottom: 0; }

/* 会社概要：代表挨拶 */
.ok-message { max-width: 1140px; margin: 0 auto; padding: 90px 24px 30px; }
.ok-message__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 50px; align-items: center; }
.ok-message__body { max-width: 900px; margin: 0 auto; }
.ok-message__photo { aspect-ratio: 5/4; border-radius: var(--radius); background-color: #e9edf6; background-size: cover; background-position: center; }
.ok-message__title { margin: 10px 0 24px; font-weight: 900; font-size: clamp(24px, 3vw, 34px); line-height: 1.45; color: var(--navy); }
.ok-message__sign { font-size: 14px; color: #52597c; margin-top: 22px; text-align: right; }
.ok-message__sign b { font-size: 20px; font-weight: 700; color: var(--navy); }

/* 会社概要：理念・社訓 */
.ok-philo { background: #f5f7fc; margin-top: 70px; }
.ok-philo__inner { max-width: 1140px; margin: 0 auto; padding: 80px 24px; }
.ok-philo__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.ok-creed__label { margin: 0 0 14px; }
.ok-creed__frame { background: var(--navy); border-radius: var(--radius); padding: 30px 30px 36px; }
.ok-creed__frame img { width: 100%; height: auto; display: block; }

/* 会社情報 定義リスト */
.ok-deflist { border-top: 2px solid var(--navy); }
.ok-deflist__row { display: flex; gap: 24px; padding: 18px 6px; border-bottom: 1px solid #e7eaf3; flex-wrap: wrap; }
.ok-deflist__k { min-width: 160px; font-weight: 700; color: var(--navy); font-size: 14.5px; }
.ok-deflist__v { flex: 1; color: #3a4268; font-size: 14.5px; line-height: 1.75; }
.ok-maplink { display: inline-block; margin-left: 8px; color: #a3b1d9; font-weight: 700; font-size: 13px; text-decoration: underline; text-underline-offset: 2px; }
.ok-offices { list-style: none; margin: 0; padding: 0; }
.ok-offices li { padding: 12px 0; display: flex; }
.ok-offices li:first-child { padding-top: 0; }
.ok-offices li + li { border-top: 1px dashed #d7ddee; }
.ok-offices__name { flex: 0 0 auto; width: 124px; font-weight: 700; color: var(--navy); padding-right: 6px; }
.ok-offices__detail { flex: 1 1 auto; min-width: 0; }
.ok-offices__zip { margin-right: .5em; }

/* 沿革タイムライン */
.ok-timeline { position: relative; padding-left: 30px; }
.ok-timeline::before { content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px; background: #dde2f0; }
.ok-timeline__item { position: relative; padding: 0 0 30px; }
.ok-timeline__item::before { content: ""; position: absolute; left: -30px; top: 5px; width: 14px; height: 14px; border-radius: 50%; background: var(--accent); border: 3px solid #fff; box-shadow: 0 0 0 2px #dde2f0; }
.ok-timeline__row { display: flex; gap: 20px; flex-wrap: wrap; align-items: baseline; }
.ok-timeline__year { font-family: "Josefin Sans", sans-serif; font-weight: 600; font-size: 20px; color: var(--navy); min-width: 80px; }
.ok-timeline__text { font-size: 15px; color: #3a4268; line-height: 1.8; }

/* ISO・宣言 */
.ok-certgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.ok-certcard { border: 1px solid #e7eaf3; border-radius: var(--radius); padding: 32px 30px; background: #fff; }
.ok-certcard__img { height: 120px; background-size: contain; background-repeat: no-repeat; background-position: left center; margin-bottom: 20px; }
/* 画像・アイコンとも高さ120pxに揃え、EN/日本語タイトルの開始位置を3枚で統一 */
.ok-certcard__icon { height: 120px; margin-bottom: 20px; display: flex; align-items: center; justify-content: flex-start; }
.ok-certcard__icon-box { width: 64px; height: 64px; background: #eef1fb; display: flex; align-items: center; justify-content: center; color: var(--accent); }
.ok-certcard__en { font-family: "Josefin Sans", sans-serif; font-size: 11px; letter-spacing: 0.2em; color: var(--accent); }
.ok-certcard__title { margin: 8px 0 8px; font-size: 18px; font-weight: 700; color: var(--navy); }
.ok-certcard__desc { margin: 0; font-size: 13.5px; color: #52597c; }

/* 労務費見積り尊重宣言 */
.ok-roumu__intro { max-width: 900px; margin-top: 8px; }
.ok-roumu__box { margin-top: 30px; background: #f5f7fc; border: 1px solid #e7eaf3; border-radius: var(--radius); border-top: 3px solid var(--accent); padding: 40px 44px; }
.ok-roumu__title { margin: 0 0 18px; text-align: center; font-size: 19px; font-weight: 800; color: var(--accent); }
.ok-roumu__text { margin: 0; font-size: 15px; color: #3a4268; line-height: 2; }
.ok-roumu__sign { margin: 24px 0 0; text-align: right; font-size: 14px; color: #52597c; line-height: 1.8; }
@media (max-width: 720px) { .ok-roumu__box { padding: 28px 22px; } }

/* 問い合わせ / エントリー セクション */
.ok-contact { background: #f2f2f2; margin-top: 70px; scroll-margin-top: 90px; }
.ok-contact__inner { max-width: 820px; margin: 0 auto; padding: 84px 24px; }
.ok-contact__head { text-align: center; }
.ok-contact__lead { color: #52597c; font-size: 15px; margin: 0 0 40px; }
/* Googleフォーム埋め込み。iframe は自動リサイズできないため、実測した表示高さを幅別に指定する */
.ok-contact__gform { display: block; width: 100%; border: 0; height: 1060px; }
@media (max-width: 720px) { .ok-contact__gform { height: 1120px; } }
@media (max-width: 480px) { .ok-contact__gform { height: 1220px; } }
@media (max-width: 374px) { .ok-contact__gform { height: 1300px; } }
.ok-entry { background: #f1f3f9; color: var(--navy); margin-top: 80px; scroll-margin-top: 90px; }

/* ============ 部門紹介 ============ */
.ok-deptlist { max-width: 1140px; margin: 0 auto; padding: 80px 24px 100px; display: flex; flex-direction: column; gap: 48px; }
.ok-dept { border: 1px solid #e7eaf3; border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: 0 10px 30px rgba(1, 5, 61, 0.06); }
.ok-dept__head { position: relative; padding: 28px 42px 28px 48px; background: linear-gradient(100deg, var(--navy) 0%, #0a1259 100%); display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.ok-dept__head::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: var(--accent); }
.ok-dept__name { margin: 0; font-size: 26px; font-weight: 800; color: #fff; }
.ok-dept__en { font-family: "Josefin Sans", sans-serif; font-size: 12px; letter-spacing: 0.2em; color: var(--cyan); }
.ok-dept__main { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); align-items: stretch; }
.ok-dept__photo { min-height: 360px; background: repeating-linear-gradient(45deg, #eef1f8, #eef1f8 12px, #e4e9f5 12px, #e4e9f5 24px); display: flex; align-items: center; justify-content: center; }
.ok-dept__photo--img { padding: 40px 0 40px 42px; background: #e9edf6 center / cover no-repeat; background-origin: content-box; background-clip: content-box; }
.ok-dept__photo-ph { font-family: ui-monospace, monospace; font-size: 12px; color: #8089a8; }
.ok-dept__text { padding: 40px 42px; display: flex; flex-direction: column; justify-content: center; }
.ok-dept__gyomu { margin: 0; font-size: 15px; color: #3a4268; line-height: 1.9; }
.ok-dept__figures { padding: 34px 42px 6px; display: flex; flex-direction: column; gap: 22px; }
.ok-dept__figure { margin: 0; }
.ok-dept__figure img { width: 100%; height: auto; display: block; border: 1px solid #e7eaf3; border-radius: var(--radius); }
.ok-dept__gallery { padding: 36px 42px 40px; border-top: 1px solid #eef1f8; background: #fafbfe; }
.ok-dept__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 18px; }
.ok-dept__grid--row { grid-template-columns: repeat(4, 1fr); }
/* 浄水場・最終処分場（横並び4カラム）：タブレットは2カラム */
@media (max-width: 820px) { .ok-dept__grid--row { grid-template-columns: repeat(2, 1fr); } }
.ok-thumb { }
.ok-thumb.is-clickable { cursor: pointer; }
.ok-thumb__img { position: relative; aspect-ratio: 4/3; border-radius: var(--radius); overflow: hidden; background-color: #e9edf6; background-size: cover; background-position: center; display: flex; align-items: center; justify-content: center; margin-bottom: 9px; }
.ok-thumb__ph { font-family: ui-monospace, monospace; font-size: 10px; color: #9099b5; }
.ok-thumb__badge { position: absolute; top: 8px; right: 8px; display: flex; align-items: center; gap: 4px; background: rgba(1, 5, 61, .78); color: #fff; font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: 999px; }
.ok-thumb__title { font-size: 13px; font-weight: 600; color: var(--navy); line-height: 1.5; }
.ok-thumb__bartitle { font-size: 17px; margin: 0 0 12px; }
.ok-dept__note { margin: 14px 0 0; font-size: 12px; color: #8089a8; }
.ok-dept__empty { margin: 0; padding: 24px 0; color: #8089a8; font-size: 14px; }

/* ============ 採用 ============ */
/* 採用 イントロ（左画像／右テキストの2カラム） */
.ok-recruit-intro { border-bottom: 1px solid #e0e4ee; } /* 次セクションとの区切り（グレー横線） */
.ok-recruit-intro__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 48px; align-items: center; }
.ok-recruit-intro__photo { aspect-ratio: 4/3; border-radius: var(--radius); background: #e9edf6 center / cover no-repeat; }
.ok-recruit-intro .ok-h2 { line-height: 1.5; }
.ok-recruit-intro__lead { margin: 22px 0 0; font-size: 16px; color: #3a4268; line-height: 2; }

.ok-meritgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.ok-merit { border: 1px solid #e7eaf3; border-radius: var(--radius); padding: 32px 28px; background: #fff; }
.ok-merit__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.ok-merit__icon { width: 56px; height: 56px; background: #eef1fb; display: flex; align-items: center; justify-content: center; color: var(--accent); }
.ok-merit__no { font-family: "Josefin Sans", sans-serif; font-weight: 600; font-size: 30px; color: #dde2f0; line-height: 1; }
.ok-merit__title { margin: 0 0 12px; font-size: 17.5px; font-weight: 700; line-height: 1.45; color: var(--navy); }
.ok-merit__desc { margin: 0; font-size: 13.5px; color: #52597c; }

.ok-personagrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.ok-persona { display: flex; gap: 14px; align-items: center; background: #fff; border-radius: var(--radius); padding: 18px 22px; }
.ok-persona__check { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-family: "Josefin Sans", sans-serif; }
.ok-persona__text { font-size: 15px; font-weight: 500; }

.ok-benefitgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.ok-benefit { border-radius: var(--radius); background: #f1f3f9; color: var(--navy); padding: 30px 26px; }
.ok-benefit__icon { width: 50px; height: 50px; background: #fff; display: flex; align-items: center; justify-content: center; color: var(--accent); margin-bottom: 16px; }
.ok-benefit__en { font-family: "Josefin Sans", sans-serif; font-size: 12px; color: var(--accent); letter-spacing: 0.1em; }
.ok-benefit__title { margin: 12px 0 0; font-size: 18px; font-weight: 700; line-height: 1.45; }

/* 募集要項タブ */
.ok-jobtabs { display: flex; margin: 0 0 36px; flex-wrap: wrap; }
.ok-jobtab { cursor: pointer; padding: 13px 30px; font-weight: 700; font-size: 15px; border: 1px solid var(--navy); background: #fefefe; color: var(--navy); }
.ok-jobtab + .ok-jobtab { border-left: none; }
.ok-jobtab.is-active { background: var(--navy); color: #fff; }
.ok-jobpanel { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 20px; align-items: stretch; }
.ok-jobpanel[hidden] { display: none; }
.ok-job { border: 1px solid #e7eaf3; border-radius: var(--radius); overflow: hidden; background: #fff; display: flex; flex-direction: column; }
.ok-job__head { padding: 24px 26px 0; }
.ok-job__meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ok-job__dept { font-size: 12px; font-weight: 700; color: #fff; background: var(--accent); padding: 4px 12px; }
.ok-job__count { font-size: 12px; color: #52597c; }
.ok-job__title { margin: 14px 0 10px; font-size: 17px; font-weight: 800; line-height: 1.45; color: var(--navy); }
.ok-job__desc { margin: 0 0 20px; font-size: 13.5px; color: #52597c; }
.ok-job__rows { border-top: 1px solid #eef1f8; padding: 16px 26px 24px; margin-top: auto; }
.ok-job__row { display: flex; gap: 14px; padding: 7px 0; border-bottom: 1px solid #f3f5fb; }
.ok-job__k { min-width: 84px; font-weight: 700; font-size: 12.5px; color: var(--navy); }
.ok-job__v { flex: 1; font-size: 13px; color: #3a4268; }

/* ============ お知らせ 一覧 / 詳細 ============ */
.ok-newswrap { max-width: 900px; margin: 0 auto; padding: 70px 24px 100px; }

/* お知らせ一覧：メイン＋月別アーカイブ サイドバー */
.ok-blog-layout { max-width: 1140px; margin: 0 auto; padding: 70px 24px 100px; display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 48px; align-items: start; }
.ok-blog-main { min-width: 0; }
.ok-blog-side { position: sticky; top: 96px; }
.ok-archive__title { margin: 0; font-size: 16px; font-weight: 800; color: var(--navy); padding-bottom: 14px; border-bottom: 2px solid var(--navy); }
.ok-archive__list { margin-top: 4px; }
.ok-archive__link { display: flex; align-items: center; justify-content: space-between; text-decoration: none; color: #3a4268; font-size: 14px; padding: 13px 4px; border-bottom: 1px solid #e7eaf3; transition: color .2s; }
.ok-archive__link::after { content: "→"; font-family: "Josefin Sans", sans-serif; color: #c2c8df; transition: color .2s; }
.ok-archive__link:hover { color: var(--accent); }
.ok-archive__link:hover::after { color: var(--accent); }
.ok-archive__y { font-family: "Josefin Sans", sans-serif; letter-spacing: 0.04em; }
@media (max-width: 820px) {
  .ok-blog-layout { grid-template-columns: 1fr; gap: 40px; padding: 56px 24px 70px; }
  .ok-blog-side { position: static; }
}
.ok-article { max-width: 780px; margin: 0 auto; padding: 120px 24px 100px; }
.ok-article--hero { padding-top: 70px; }
.ok-back { text-decoration: none; display: inline-block; font-size: 13.5px; color: var(--accent); font-weight: 600; margin-bottom: 30px; }
.ok-article__meta { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.ok-article__date { font-family: "Josefin Sans", sans-serif; font-size: 14px; color: #8089a8; }
.ok-article__title { margin: 0 0 30px; font-weight: 900; font-size: clamp(22px, 3vw, 25px); line-height: 1.5; color: var(--navy); }
.ok-article__img { height: 300px; border-radius: var(--radius); overflow: hidden; background: repeating-linear-gradient(45deg, #eef1f8, #eef1f8 12px, #e4e9f5 12px, #e4e9f5 24px); display: flex; align-items: center; justify-content: center; margin-bottom: 36px; }
.ok-article__img--photo { background: #e9edf6; }
.ok-article__img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ok-article__img-ph { font-family: ui-monospace, monospace; font-size: 12px; color: #8089a8; }
.ok-article__body { font-size: 15.5px; color: #3a4268; line-height: 1.95; }
.ok-article__body #cms-blog-entry-detail-2-area { display: block; }
.ok-article__body p { font-size: 15.5px; color: #3a4268; margin: 0 0 18px; }
.ok-article__body p:last-child { margin-bottom: 0; }
.ok-article__body img { max-width: 100%; height: auto; }
.ok-article__pager { margin-top: 44px; padding-top: 24px; border-top: 1px solid #e7eaf3; font-size: 14px; }
.ok-article__pager a { color: var(--accent); text-decoration: none; }
.ok-article__pager a:hover { opacity: .7; }

/* ============ フォーム ============ */
.ok-form { display: flex; flex-direction: column; gap: 18px; }
.ok-form__row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.ok-form__field { display: block; }
.ok-form__field > span { display: block; font-size: 13px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.ok-form__field input, .ok-form__field textarea {
  width: 100%; padding: 13px 16px;
  border: 1px solid #d6dbeb; border-radius: var(--radius);
  background: #fff; color: var(--navy); font-size: 15px;
  font-family: "Noto Sans JP", sans-serif; outline: none; box-sizing: border-box;
}
.ok-form__field input:focus, .ok-form__field textarea:focus { border-color: var(--accent); }
.ok-form__field textarea { resize: vertical; min-height: 140px; }
.ok-form__submit {
  margin-top: 8px; align-self: center; cursor: pointer; border: none;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 15px;
  padding: 15px 56px; border-radius: var(--radius); font-family: "Noto Sans JP", sans-serif;
}
.ok-form__submit:hover { opacity: .9; }
.ok-form-done { text-align: center; padding: 50px 30px; border-radius: var(--radius); background: #fff; border: 1px solid #e7eaf3; }
.ok-form-done__mark { font-size: 40px; color: var(--cyan); font-family: "Josefin Sans", sans-serif; }
.ok-form-done__title { margin: 14px 0 8px; font-size: 20px; font-weight: 800; color: var(--navy); }
.ok-form-done__text { margin: 0; font-size: 14px; color: #52597c; }

/* ============ フッター ============ */
.ok-footer { background: var(--navy); color: #fff; }
.ok-footer__inner { max-width: 1240px; margin: 0 auto; padding: 70px 24px 30px; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 40px; }
.ok-footer__logo { height: 40px; width: auto; display: block; filter: brightness(0) invert(1); }
.ok-footer__addr { margin: 18px 0 0; font-size: 13.5px; color: #c6cdec; line-height: 1.9; }
.ok-footer__addr + .ok-footer__addr { margin-top: 14px; }
.ok-footer__actions { display: flex; gap: 14px; margin-top: 22px; align-items: center; }
.ok-footer__ig { width: 42px; height: 42px; border: none; border-radius: 50%; background: linear-gradient(45deg, #feda75 0%, #fa7e1e 25%, #d62976 50%, #962fbf 75%, #4f5bd5 100%); display: flex; align-items: center; justify-content: center; text-decoration: none; color: #fff; transition: transform .2s; }
.ok-footer__ig:hover { transform: scale(1.08); }
.ok-footer__heading { font-family: "Josefin Sans", sans-serif; font-size: 12px; letter-spacing: 0.2em; color: var(--cyan); margin-bottom: 18px; }
.ok-footer__link { display: block; text-decoration: none; font-size: 14px; color: #dfe4f4; padding: 8px 0; transition: opacity .2s; }
.ok-footer__link:hover { opacity: .7; }
.ok-footer__map { height: 170px; border-radius: var(--radius); overflow: hidden; background: #161d4d; display: flex; align-items: center; justify-content: center; }
.ok-footer__map-frame { width: 100%; height: 100%; border: 0; display: block; }
.ok-footer__map-ph { font-family: ui-monospace, monospace; font-size: 12px; color: #7882b8; }
.ok-footer__bottom { border-top: 1px solid #1c2453; }
.ok-footer__copy { max-width: 1240px; margin: 0 auto; padding: 22px 24px; font-family: "Josefin Sans", sans-serif; font-size: 12px; color: #8089b8; letter-spacing: 0.04em; }

/* ============ ライトボックス ============ */
.ok-lb { position: fixed; inset: 0; z-index: 1000; background: rgba(1, 5, 61, .92); display: none; flex-direction: column; align-items: center; justify-content: center; padding: 40px 20px; }
.ok-lb.is-open { display: flex; }
.ok-lb__inner { width: 100%; max-width: 980px; display: flex; flex-direction: column; align-items: center; }
.ok-lb__head { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.ok-lb__title { color: #fff; font-size: 17px; font-weight: 700; }
.ok-lb__title:empty { display: none; }
.ok-lb__caption { color: #fff; font-size: 16px; font-weight: 600; line-height: 1.5; }
.ok-lb__counter { font-family: "Josefin Sans", sans-serif; font-size: 13px; color: #9aa3cf; margin-top: 3px; }
.ok-lb__close { cursor: pointer; flex: none; width: 42px; height: 42px; border: 1px solid rgba(255, 255, 255, .35); display: flex; align-items: center; justify-content: center; color: #fff; }
.ok-lb__stage { position: relative; width: 100%; }
.ok-lb__image { width: 100%; aspect-ratio: 3/2; max-height: calc(100vh - 230px); background-color: #0b1138; display: flex; align-items: center; justify-content: center; overflow: hidden; }
/* 元サイズ以上には引き伸ばさない（枠より小さい画像は原寸で中央表示、大きい画像のみ縮小） */
.ok-lb__image img { max-width: 100%; max-height: 100%; width: auto; height: auto; display: block; }
.ok-lb__nav { cursor: pointer; position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: 50%; background: rgba(255, 255, 255, .9); display: none; align-items: center; justify-content: center; }
.ok-lb__nav--prev { left: 14px; }
.ok-lb__nav--next { right: 14px; }
.ok-lb__thumbs { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; justify-content: center; }
.ok-lb__thumb { cursor: pointer; width: 74px; aspect-ratio: 4/3; background-color: #0b1138; background-size: cover; background-position: center; border: 2px solid transparent; }
.ok-lb__thumb.is-active { border-color: var(--accent); }

/* ============ ページトップ ============ */
.ok-pagetop { position: fixed; right: 20px; bottom: 20px; width: 46px; height: 46px; border: none; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; z-index: 90; border-radius: var(--radius); }
.ok-pagetop.is-visible { opacity: 1; visibility: visible; }
.ok-pagetop:hover { opacity: .9; }

/* ============ レスポンシブ ============ */
@media (max-width: 980px) {
  .ok-header__nav, .ok-header__side { display: none; }
  .ok-burger { display: flex; }
  /* ハンバーガー表示時はフッターのSITEMAP列を省略（ナビと重複のため） */
  .ok-footer__col--sitemap { display: none; }
}
@media (max-width: 720px) {
  .ok-biz { padding: 64px 24px 30px; }
  .ok-newsblock { padding: 56px 24px; }
  .ok-pagelinks { padding: 16px 24px 70px; }
  .ok-pagelinks__grid { gap: 14px; }
  .ok-pagecard { min-height: 132px; padding: 22px 24px; }
  .ok-pagecard__title { font-size: 20px; }
  .ok-cta__inner { padding: 60px 24px; }
  .ok-message { padding: 64px 24px 20px; }
  .ok-philo__inner, .ok-band__inner { padding: 60px 24px; }
  .ok-block { padding: 64px 24px 20px; }
  .ok-block--tight { padding: 50px 24px 30px; }
  .ok-deptlist { padding: 60px 24px 70px; }
  .ok-dept__head { padding: 22px 24px 22px 28px; }
  .ok-dept__photo--img { padding: 24px 24px 0; }
  .ok-dept__text { padding: 30px 24px; }
  .ok-dept__figures { padding: 26px 24px 2px; gap: 16px; }
  .ok-dept__gallery { padding: 28px 24px 32px; }
  .ok-contact__inner { padding: 60px 24px; }
  .ok-phero__inner { padding: 116px 24px 76px; }
  .ok-phero--recruit .ok-phero__inner { padding: 100px 24px 64px; }
  .ok-stats__inner { grid-template-columns: repeat(2, 1fr); gap: 28px 24px; }
  .ok-stats__inner > div:nth-child(odd) { border-left: none; }
  .ok-stats__inner > div:nth-child(even) { border-left: 1px solid rgba(255, 255, 255, .2); }
  .ok-stats__num { font-size: 38px; }
  .ok-article { padding: 100px 24px 70px; }
  /* スマホ時のみ改行を有効化 */
  .ok-sp-br { display: inline; }
  /* PCのみ改行はスマホで無効化 */
  .ok-pc-br { display: none; }
  /* メインビュー：ENを小さく、キャッチコピーを下寄せ配置 */
  .ok-hero__en { font-size: 10px; margin-bottom: 16px; }
  .ok-hero__body { align-items: flex-end; }
  .ok-hero__inner { padding-bottom: 60px; }
  /* 問い合わせ等のリード文を小さく */
  .ok-contact__lead { font-size: 12px; }
  /* 会社情報テーブル：ラベルを上、内容を下に縦積み */
  .ok-deflist__row { flex-direction: column; gap: 6px; }
  .ok-deflist__k { min-width: 0; }
  /* 営業所：スマホでは名称の下に住所・電話を縦積み（1カラム） */
  .ok-offices li { flex-direction: column; }
  .ok-offices__name { width: auto; padding-right: 0; margin-bottom: 2px; }
  /* スマホでは郵便番号の後で改行（郵便番号→住所を別行に） */
  .ok-offices__zip { display: block; margin-right: 0; }
  /* ライトボックス：スマホ時は左右ページャを小さく */
  .ok-lb__nav { width: 34px; height: 34px; }
  .ok-lb__nav svg { width: 15px; height: 15px; }
  .ok-lb__nav--prev { left: 8px; }
  .ok-lb__nav--next { right: 8px; }
  /* 浄水場・最終処分場（横並び4カラム）はスマホでは2カラム */
  .ok-dept__grid--row { grid-template-columns: repeat(2, 1fr); }
}