/*
 * ======================================
 * 追加クラス一覧（共通SCSS取り込み検討用）
 * ======================================
 *
 * .okb-fill / .okb-media / .okb-pos-*   - 画像の枠いっぱい敷き（absolute+cover）と object-position 指定
 * .okb-overlay                          - ネイビーの横グラデ暗幕（ページヒーロー・CTA共通）
 * .okb-label-en                         - 14px / .24em の英字ラベル
 * .okb-header / __inner / .okb-gnav     - sticky＋下線ボーダーのヘッダー、日本語のみのナビ
 * .okb-logo__en / __ja                  - 英字＋日本語の2段テキストロゴ
 * .okb-header-tel                       - 青ベタの電話ボックス（番号＋受付時間）
 * .okb-heading / --side                 - 英字小ラベル＋日本語大見出し＋40px下線（左揃え）
 * .okb-title-row / .okb-badge           - 見出し横のバッジ（プロジェクター対応可）
 * .okb-btn                              - 角2pxのベタボタン（→付き）
 * .okb-sec / --mid / --last / --pt-mid  - セクション上下余白（120/128・112）
 * .okb-mv                               - 左ブルーパネル＋右写真のMV（左パネル幅はコンテナ左端基準）
 * .okb-svc-card                         - 事業案内カード（写真＋英字＋見出し＋本文＋ボタン）
 * .okb-side-layout                      - 見出し320px＋本文の2カラムgrid
 * .okb-info-table                       - 上2px緑ライン＋行区切りのdlテーブル
 * .okb-page-hero                        - 写真＋ネイビー暗幕の下層ヒーロー
 * .okb-breadcrumb                       - パンくずの余白・色
 * .okb-lead                             - 下層リード（テキスト＋520px写真）
 * .okb-split / .okb-points              - 写真＋テキストの白カード2分割、青枠ポイント
 * .okb-item-card / .okb-prd-card        - 番号付き修理カード / 上3pxラインの製品カード
 * .okb-grid-3                           - 3列grid gap32px
 * .okb-contact / .okb-contact-tel       - 写真背景CTA帯・白ベタ電話ボックス
 * .okb-footer                           - 青ベタフッター
 * .js-fade                              - スクロールフェードイン（common.jsで.is-visible付与）
 *
 * ======================================
 * 共通SCSSに不足していたもの
 * ======================================
 *
 * 値の粒度不足：fz-15/17/26/34/44、ls .18em/.22em/.24em、gap-12/14/18/28/32/36/48/72/80 が無い
 * 値の粒度不足：rounded 2px（rounded-sm が5px）が無い
 * 値の粒度不足：object-position の%指定が無い（obj-top/center/bottom のみ）
 * 構造不足　　：MVの「左ベタパネル＝コンテナ左端から始まり、右写真は画面端まで」型が無い
 * 構造不足　　：見出し固定幅＋テーブルの grid 2カラム（320px / 1fr）が無い（column2は%比率のみ）
 * 構造不足　　：dt固定幅（200px）の dl 型情報テーブルが無い（table-* は table 要素前提）
 * 構造不足　　：header__nav-item の下線がhoverアニメ固定で、常時フル幅下線（current）にできない
 * 装飾パターン不足：横グラデ暗幕（rgba(11,42,74,.92→.86→.7)）の overlay が無い
 * 状態不足　　：親カードhover時に子ボタンの色を変える state utility が無い
 *
 */

/* ---------- base ---------- */
.okb-media { position: relative; overflow: hidden; }
.okb-fill { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.okb-pos-40-50 { object-position: 40% 50%; }
.okb-pos-50-40 { object-position: 50% 40%; }
.okb-pos-50-55 { object-position: 50% 55%; }
.okb-pos-55-35 { object-position: 55% 35%; }
.okb-pos-55-45 { object-position: 55% 45%; }
.okb-pos-60-40 { object-position: 60% 40%; }
.okb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 42, 74, .92) 0%, rgba(11, 42, 74, .86) 45%, rgba(11, 42, 74, .7) 100%);
}
.okb-label-en { font-size: 1.4rem; font-weight: 600; letter-spacing: .24em; }

/* ---------- header ---------- */
.okb-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid #DCE6EE;
  box-shadow: none;
}
.okb-header__inner {
  max-width: 1200px;
  height: 96px;
  padding: 0;
  gap: 32px;
}
@media (max-width: 1320px) {
  .okb-header__inner { max-width: 95%; padding: 0 10px; }
}
.okb-header .header-logo { display: flex; color: inherit; }
.okb-header .header-logo:hover { opacity: 1; }
.okb-header .header-logo__body { gap: 2px; }
.okb-logo__en { font-size: 1.2rem; font-weight: 600; letter-spacing: .18em; color: #007FFF; line-height: 1; }
.okb-logo__ja { font-size: 2.4rem; font-weight: 700; letter-spacing: .08em; color: #00552E; line-height: 1.4; }

.okb-gnav { gap: 36px; margin-right: 0; }
.okb-gnav .header__nav-item a {
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}
.okb-gnav .header__nav-item a::after { display: none; }
.okb-gnav .header__nav-ja {
  margin-top: 0;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.4;
  color: #16252E;
  transition: color .3s ease;
}
.okb-gnav .header__nav-item a:hover .header__nav-ja,
.okb-gnav .header__nav-item--current .header__nav-ja { color: #007FFF; }
.okb-gnav .header__nav-item--current a { border-bottom-color: #007FFF; }

.okb-header-tel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 22px;
  border-radius: 2px;
  background: #007FFF;
  color: #fff;
}
.okb-header-tel:hover { background: #006FDF; color: #fff; opacity: 1; }
.okb-header-tel__num { display: block; font-size: 2.4rem; font-weight: 600; line-height: 1.2; }
.okb-header-tel__note { display: block; font-size: 1.2rem; font-weight: 500; line-height: 1.2; }

/* ---------- heading ---------- */
.okb-heading {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 56px;
}
.okb-heading .heading__en {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: .24em;
  line-height: 1.8;
  color: #007FFF;
}
.okb-heading .heading__ja {
  margin-top: 0;
  font-size: 3.4rem;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1.4;
}
.okb-heading .heading-deco-shape--line::before { border-radius: 0; }
.okb-heading--side { margin-bottom: 0; }

.okb-title-row { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.okb-badge {
  padding: 6px 16px;
  border-radius: 2px;
  background: #007FFF;
  color: #fff;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.6;
}

/* ---------- button ---------- */
.okb-btn {
  gap: 16px;
  width: auto;
  max-width: none;
  padding: 14px 28px;
  border: none;
  border-radius: 2px;
  font-size: 1.5rem;
  font-weight: 700;
}
.okb-btn:hover,
.okb-card:hover .okb-btn { background: #006FDF; }

/* ---------- section ---------- */
.okb-sec { padding-bottom: 128px; }
.okb-sec--mid { padding-top: 112px; padding-bottom: 112px; }
.okb-sec--last { padding-bottom: 128px; }
.okb-sec--pt-mid { padding-top: 112px; }
.okb-grid-3 { gap: 32px; }

/* ---------- MV ---------- */
.okb-mv {
  display: grid;
  grid-template-columns: calc((max(100vw, 1280px) - 1200px) / 2 + 540px) 1fr;
  min-height: 620px;
}
.okb-mv__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 36px;
  padding: 96px 64px 80px calc((max(100vw, 1280px) - 1200px) / 2);
  background: #007FFF;
  color: #fff;
}
.okb-mv__company { display: flex; flex-direction: column; gap: 8px; font-weight: 700; line-height: 1.2; }
.okb-mv__company-sub { font-size: 2.4rem; letter-spacing: .2em; }
.okb-mv__company-name { font-size: 5.6rem; letter-spacing: .08em; white-space: nowrap; }
.okb-mv__catch { font-size: 3.4rem; font-weight: 700; line-height: 1.65; letter-spacing: .06em; }
.okb-mv__line { width: 48px; height: 2px; background: #fff; }
#slideshow.okb-mv__img { position: relative; height: 100%; min-height: 620px; overflow: hidden; }
#slideshow .swiper,
#slideshow .swiper-wrapper,
#slideshow .swiper-slide,
#slideshow .main_slider__inner { position: absolute; inset: 0; width: 100%; height: 100%; }
#slideshow img { width: 100%; height: 100%; object-fit: cover; object-position: 40% 50%; }
.okb-mv__tel {
  position: absolute;
  right: 40px;
  bottom: 40px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 32px;
  border-radius: 2px;
  background: rgba(255, 255, 255, .94);
  color: #007FFF;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .15);
}
.okb-mv__tel:hover { color: #007FFF; opacity: .9; }
.okb-mv__tel-num { display: block; font-size: 4.4rem; font-weight: 600; line-height: 1.1; letter-spacing: .02em; }
.okb-mv__tel-note { display: block; margin-top: 4px; font-size: 1.5rem; font-weight: 500; line-height: 1.4; color: #16252e; }

/* ---------- service card ---------- */
.okb-svc-card {
  display: flex;
  flex-direction: column;
  border: 1px solid #DCE6EE;
  border-radius: 2px;
  color: inherit;
  transition: border-color .3s ease;
}
.okb-svc-card:hover { border-color: #007FFF; color: inherit; opacity: 1; }
.okb-svc-card__media { height: 340px; }
.okb-svc-card__media img { transition: transform .6s ease; }
.okb-svc-card:hover .okb-svc-card__media img { transform: scale(1.04); }
.okb-svc-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 18px;
  padding: 36px 40px 40px;
}
.okb-svc-card__en { font-size: 1.3rem; font-weight: 600; letter-spacing: .22em; color: #00552E; }
.okb-svc-card__title { font-size: 2.6rem; font-weight: 700; letter-spacing: .06em; line-height: 1.4; }
.okb-svc-card__text { flex: 1; font-size: 1.6rem; line-height: 2; }
.okb-svc-card .okb-btn { align-self: flex-start; }

/* ---------- side layout / info table ---------- */
.okb-side-layout { display: grid; grid-template-columns: 320px 1fr; gap: 80px; }
.okb-info-table { background: #fff; border-top: 2px solid #00552E; }
.okb-info-table__row { display: grid; grid-template-columns: 200px 1fr; border-bottom: 1px solid #DCE6EE; }
.okb-info-table dt { padding: 28px 32px; font-size: 1.5rem; font-weight: 700; color: #00552E; }
.okb-info-table dd { padding: 28px 32px 28px 0; font-size: 1.6rem; }
.okb-info-table__tel { font-size: 1.8rem; font-weight: 600; color: #006FDF; }
.okb-info-table__tel:hover { color: #00552E; opacity: 1; }

/* ---------- page hero / breadcrumb ---------- */
.okb-page-hero { background: #0B2A4A; color: #fff; }
.okb-page-hero .okb-overlay { z-index: 1; }
.okb-page-hero__content { gap: 10px; padding-top: 88px; padding-bottom: 92px; }
.okb-page-hero__title { font-size: 4rem; font-weight: 700; letter-spacing: .1em; line-height: 1.4; }

.okb-breadcrumb { padding: 18px 0; font-size: 1.3rem; color: #3A4A54; }
@media (max-width: 1320px) {
  .okb-breadcrumb { padding-left: 10px; padding-right: 10px; }
}
.okb-breadcrumb .breadcrumb__item:not(:last-child)::after { margin: 0 10px; color: #3A4A54; }
.okb-breadcrumb .breadcrumb__link { color: #006FDF; }
.okb-breadcrumb .breadcrumb__link:hover { color: #00552E; text-decoration: none; opacity: 1; }
.okb-breadcrumb .breadcrumb__current { color: #3A4A54; }

/* ---------- lead ---------- */
.okb-lead { padding: 72px 0 112px; }
.okb-lead__inner { display: grid; grid-template-columns: 1fr 520px; gap: 72px; align-items: center; }
.okb-lead__text { display: flex; flex-direction: column; gap: 28px; }
.okb-lead__catch { font-size: 2.8rem; font-weight: 700; line-height: 1.75; letter-spacing: .06em; }
.okb-lead__catch em { font-style: normal; color: #007FFF; }
.okb-lead__desc { font-size: 1.7rem; line-height: 2.1; }
.okb-lead__media { height: 360px; }

/* ---------- split / points ---------- */
.okb-split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); background: #fff; }
.okb-split__media { min-height: 420px; }
.okb-split__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 28px;
  padding: 64px 56px;
}
.okb-split__text { font-size: 1.7rem; line-height: 2.1; }
.okb-points { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.okb-points__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  border: 1px solid #007FFF;
}
.okb-points__en { font-size: 1.2rem; font-weight: 600; letter-spacing: .2em; color: #006FDF; }
.okb-points__ja { font-size: 1.5rem; font-weight: 700; }

/* ---------- item card / product card ---------- */
.okb-item-card { display: flex; flex-direction: column; border: 1px solid #DCE6EE; border-radius: 2px; }
.okb-item-card__media { height: 240px; }
.okb-item-card__body { display: flex; align-items: center; gap: 18px; padding: 28px 28px 32px; }
.okb-item-card__no { font-size: 2.8rem; font-weight: 600; line-height: 1; color: #007FFF; }
.okb-item-card__title { font-size: 1.8rem; font-weight: 700; letter-spacing: .06em; line-height: 1.5; }

.okb-prd-card { display: flex; flex-direction: column; background: #fff; border-radius: 2px; }
.okb-prd-card__media { height: 260px; }
.okb-prd-card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 28px 28px 32px;
  border-top: 3px solid #007FFF;
}
.okb-prd-card__en { font-size: 1.2rem; font-weight: 600; letter-spacing: .22em; color: #00552E; }
.okb-prd-card__title { font-size: 1.9rem; font-weight: 700; letter-spacing: .06em; line-height: 1.5; }

/* ---------- contact ---------- */
.okb-contact { padding: 0; background: #0B2A4A; color: #fff; overflow: hidden; }
.okb-contact::before { content: none; }
.okb-contact__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 48px;
  padding: 96px 0;
}
@media (max-width: 1320px) {
  .okb-contact__inner { max-width: 95%; padding-left: 10px; padding-right: 10px; }
}
.okb-contact__head { display: flex; flex-direction: column; gap: 10px; }
.okb-contact__lead { font-size: 2.6rem; font-weight: 700; letter-spacing: .06em; line-height: 1.6; }
.okb-contact-tel {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px 40px;
  border-radius: 2px;
  background: #fff;
  color: #00552E;
}
.okb-contact-tel:hover { background: #F2F6F9; color: #00552E; opacity: 1; }
.okb-contact-tel__num { display: block; font-size: 4.4rem; font-weight: 600; letter-spacing: .02em; line-height: 1.2; }
.okb-contact-tel__note { display: block; margin-top: 6px; font-size: 1.4rem; font-weight: 500; color: #16252E; }

/* ---------- footer ---------- */
.okb-footer { background: #007FFF; color: #fff; }
.okb-footer__top {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  padding-top: 56px;
  padding-bottom: 28px;
}
.okb-footer__name { display: block; margin-bottom: 14px; font-size: 2rem; font-weight: 700; letter-spacing: .08em; }
.okb-footer__address { font-size: 1.4rem; font-style: normal; line-height: 1.9; }
.okb-footer__address a { font-size: 1.6rem; font-weight: 600; color: #fff; }
.okb-footer__address a:hover { color: #fff; opacity: 1; }
.okb-fnav { flex-wrap: nowrap; align-items: flex-start; gap: 32px; }
.okb-fnav .footer-body__nav-item a { font-size: 1.4rem; font-weight: 500; color: #fff; }
.okb-fnav .footer-body__nav-item a:hover { color: #fff; text-decoration: underline; opacity: 1; }
.okb-footer__bottom {
  padding: 20px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, .3);
  text-align: left;
}
.okb-footer__bottom .footer-bottom__copyright { font-size: 1.3rem; font-weight: 600; letter-spacing: .08em; color: #fff; }

/* ---------- scroll fade-in ---------- */
.is-js .js-fade { opacity: 0; transform: translateY(20px); transition: opacity .8s ease, transform .8s ease; }
.is-js .js-fade.is-visible { opacity: 1; transform: none; }