@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@500;600&display=swap');

/* ============================================================
   大裕工務株式会社 リニューアルデモ
   デザインシステム「墨付け」ライト
   - 白基調のクリーン × 墨 × 朱墨アクセント
   - 見出し: Shippori Mincho / 本文: Zen Kaku Gothic New
   ============================================================ */

:root {
  --shirokuro: #fbfaf7;   /* 基調の白（背景） */
  --sumi: #26231f;        /* 墨（文字） */
  --sumi-usu: #6d675f;    /* 薄墨（補助文字） */
  --shumi: #b23a1d;       /* 朱墨（アクセント） */
  --kinari: #f2f0e9;      /* 生成（セクション差し色） */
  --keisen: #e2ded4;      /* 罫線 */
  --font-min: "Shippori Mincho", serif;
  --font-goth: "Zen Kaku Gothic New", sans-serif;
  --font-en: "Playfair Display", serif;
  --pad-x: clamp(20px, 5vw, 72px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-goth);
  background: var(--shirokuro);
  color: var(--sumi);
  font-size: 15px;
  line-height: 2;
  letter-spacing: 0.06em;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* 日本語の自然な改行（対応ブラウザは文節単位で折り返す） */
p, .lead, h2, h3, .def-table td {
  word-break: auto-phrase;
  text-wrap: pretty;
}

/* ---- 墨線（ページ左右の基準線） ---- */
.sumi-lines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
}
.sumi-lines::before,
.sumi-lines::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 1px;
  background: rgba(38, 35, 31, .08);
}
.sumi-lines::before { left: max(12px, 2.5vw); }
.sumi-lines::after { right: max(12px, 2.5vw); }

/* ============================================================
   ヘッダー
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--pad-x);
  transition: background .4s ease, box-shadow .4s ease, padding .4s ease;
}
.header.is-scrolled {
  background: rgba(251, 250, 247, .9);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--keisen);
  padding: 12px var(--pad-x);
}

.logo {
  font-family: var(--font-min);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  line-height: 1.3;
  color: var(--sumi);
  z-index: 110;
}
.logo small {
  display: block;
  font-size: 0.58rem;
  letter-spacing: 0.32em;
  color: var(--sumi-usu);
  font-family: var(--font-goth);
}

.gnav { display: flex; align-items: center; gap: 34px; }
.gnav a {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  position: relative;
  padding: 4px 0;
}
.gnav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--shumi);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .35s ease;
}
.gnav a:hover::after,
.gnav a.is-current::after { transform: scaleX(1); transform-origin: left; }

.gnav .nav-tel {
  border: 1px solid var(--sumi);
  padding: 8px 18px;
  font-family: var(--font-min);
  letter-spacing: 0.08em;
}
.gnav .nav-tel::after { display: none; }
.gnav .nav-tel:hover { background: var(--shumi); border-color: var(--shumi); color: #fff; }

/* ヒーロー写真の上では白文字（スクロールで通常色に戻る） */
.header.on-photo .logo { color: #fff; }
.header.on-photo .logo small { color: rgba(255,255,255,.65); }
.header.on-photo .gnav a { color: rgba(255,255,255,.92); }
.header.on-photo .gnav .nav-tel { border-color: rgba(255,255,255,.7); }
.header.on-photo .gnav .nav-tel:hover { border-color: var(--shumi); }
.header.on-photo .menu-btn span { background: #fff; }
body.menu-open .header.on-photo .menu-btn span { background: var(--sumi); }

/* ハンバーガー */
.menu-btn {
  display: none;
  z-index: 110;
  background: none;
  border: none;
  width: 44px; height: 44px;
  cursor: pointer;
  position: relative;
}
.menu-btn span {
  position: absolute;
  left: 8px; right: 8px;
  height: 1px;
  background: var(--sumi);
  transition: transform .35s ease, opacity .3s ease, top .35s ease;
}
.menu-btn span:nth-child(1) { top: 15px; }
.menu-btn span:nth-child(2) { top: 22px; }
.menu-btn span:nth-child(3) { top: 29px; }
body.menu-open .menu-btn span:nth-child(1) { top: 22px; transform: rotate(30deg); }
body.menu-open .menu-btn span:nth-child(2) { opacity: 0; }
body.menu-open .menu-btn span:nth-child(3) { top: 22px; transform: rotate(-30deg); }

/* モバイルメニュー（白基調） */
.mnav {
  position: fixed;
  inset: 0;
  z-index: 105;
  background: rgba(251, 250, 247, .97);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .45s ease, visibility .45s ease;
}
body.menu-open .mnav { opacity: 1; visibility: visible; }
.mnav a {
  color: var(--sumi);
  font-family: var(--font-min);
  font-size: 1.3rem;
  letter-spacing: 0.24em;
  padding: 12px 0;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .5s ease, transform .5s ease;
}
.mnav a small {
  display: block;
  text-align: center;
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  color: var(--shumi);
  font-family: var(--font-goth);
}
body.menu-open .mnav a { opacity: 1; transform: none; }
body.menu-open .mnav a:nth-child(1) { transition-delay: .1s; }
body.menu-open .mnav a:nth-child(2) { transition-delay: .16s; }
body.menu-open .mnav a:nth-child(3) { transition-delay: .22s; }
body.menu-open .mnav a:nth-child(4) { transition-delay: .28s; }
body.menu-open .mnav a:nth-child(5) { transition-delay: .34s; }
body.menu-open .mnav a:nth-child(6) { transition-delay: .4s; }
body.menu-open .mnav a:nth-child(7) { transition-delay: .46s; }
body.menu-open .mnav a:nth-child(8) { transition-delay: .52s; }

/* ============================================================
   ヒーロー（フルスクリーン写真スライド / vegahouse型のシンプル構成）
   ============================================================ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  overflow: hidden;
  background: #1a1815;
}

/* 写真スライド（DRAFT参考：ゆったりクロスフェード＋連続ズーム） */
.kv-photos { position: absolute; inset: 0; }
.kv-photos img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.5s ease;
}
.kv-photos img.is-active {
  opacity: 1;
  z-index: 2;
}
/* 前のスライドは動きを保ったままフェードアウト（切替時のガタつき防止） */
.kv-photos img.is-leaving {
  opacity: 0;
  z-index: 1;
}
/* 動きは data-fx で画像ごとに切替（is-leaving 中も同じアニメを継続） */
.kv-photos img.is-active,
.kv-photos img.is-leaving {
  animation-duration: 8s;
  animation-timing-function: cubic-bezier(.2,.6,.35,1);
  animation-fill-mode: forwards;
}
.kv-photos img[data-fx="zoom-out"].is-active,
.kv-photos img[data-fx="zoom-out"].is-leaving { animation-name: kvZoomOut; }
.kv-photos img[data-fx="zoom-in"].is-active,
.kv-photos img[data-fx="zoom-in"].is-leaving { animation-name: kvZoomIn; }
.kv-photos img[data-fx="pan-right"].is-active,
.kv-photos img[data-fx="pan-right"].is-leaving { animation-name: kvPanRight; }
.kv-photos img[data-fx="pan-left"].is-active,
.kv-photos img[data-fx="pan-left"].is-leaving { animation-name: kvPanLeft; }
.kv-photos img[data-fx="rise"].is-active,
.kv-photos img[data-fx="rise"].is-leaving { animation-name: kvRise; }
.kv-photos img[data-fx="sink"].is-active,
.kv-photos img[data-fx="sink"].is-leaving { animation-name: kvSink; }

@keyframes kvZoomOut {
  from { transform: scale(1.08); }
  to { transform: scale(1); }
}
@keyframes kvZoomIn {
  from { transform: scale(1.02); }
  to { transform: scale(1.1); }
}
@keyframes kvPanRight {
  from { transform: scale(1.12) translateX(-1.8%); }
  to { transform: scale(1.12) translateX(1.8%); }
}
@keyframes kvPanLeft {
  from { transform: scale(1.12) translateX(1.8%); }
  to { transform: scale(1.12) translateX(-1.8%); }
}
@keyframes kvRise {
  from { transform: scale(1.1) translateY(2.2%); }
  to { transform: scale(1.1) translateY(-1.2%); }
}
@keyframes kvSink {
  from { transform: scale(1.1) translateY(-1.8%); }
  to { transform: scale(1.1) translateY(1.2%); }
}

/* スライド連動の事例キャプション＋進行インジケーター */
.kv-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px 28px;
  margin-top: 30px;
  opacity: 0;
  animation: fadeUp 1.2s ease 1.1s forwards;
}
.kv-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  transition: opacity .45s ease, transform .45s ease;
}
.kv-title.is-switching { opacity: 0; transform: translateY(8px); }
.kv-title .jp {
  font-family: var(--font-min);
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,.95);
}
.kv-title .en2 {
  font-family: var(--font-en);
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  color: rgba(255,255,255,.55);
}
.kv-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,.8);
}
.kv-progress .bar {
  position: relative;
  width: 68px;
  height: 1px;
  background: rgba(255,255,255,.28);
  overflow: hidden;
}
.kv-progress .bar i {
  position: absolute;
  inset: 0;
  width: 100%;
  background: #fff;
  transform: scaleX(0);
  transform-origin: left;
}
.kv-progress .bar i.is-running {
  animation: kvBar var(--kv-dur, 6s) linear forwards;
}
@keyframes kvBar { to { transform: scaleX(1); } }
.kv-progress .tot { color: rgba(255,255,255,.45); }

/* 文字の可読性を確保する控えめなグラデーション */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(to top, rgba(16, 14, 11, .58), transparent 46%),
    linear-gradient(105deg, rgba(16, 14, 11, .3), transparent 55%);
}

/* コピー（左下・横書き・最小限） */
.hero-inner {
  position: absolute;
  z-index: 2;
  left: var(--pad-x);
  right: var(--pad-x);
  bottom: clamp(84px, 13vh, 150px);
  color: #fff;
}
.hero-inner { text-shadow: 0 1px 16px rgba(0, 0, 0, .45); }
.hero-lede {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-min);
  font-size: 0.78rem;
  letter-spacing: 0.34em;
  color: rgba(255,255,255,.95);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 1.1s ease .3s forwards;
}
.hero-lede::before {
  content: "";
  width: 30px;
  height: 1px;
  background: var(--shumi);
}
.hero-copy {
  font-family: var(--font-min);
  font-weight: 600;
  font-size: clamp(1.8rem, 4.4vw, 3.3rem);
  letter-spacing: 0.16em;
  line-height: 1.75;
  opacity: 0;
  animation: fadeUp 1.3s cubic-bezier(.22,1,.36,1) .55s forwards;
}
.hero-sub {
  margin-top: 22px;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  line-height: 2.2;
  color: rgba(255,255,255,.78);
  opacity: 0;
  animation: fadeUp 1.2s ease .85s forwards;
}
.hero-sub .en {
  display: block;
  font-family: var(--font-en);
  font-size: 0.6rem;
  letter-spacing: 0.42em;
  color: rgba(255,255,255,.55);
  margin-bottom: 8px;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

/* 墨出し目盛り（ヒーロー下辺・写真上なので白） */
.hero-scale {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  height: 40px;
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,.4) 0 1px, transparent 1px 10px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.6) 0 1px, transparent 1px 100px);
  background-size: auto 8px, auto 15px;
  background-repeat: repeat-x;
  background-position: bottom left;
  opacity: .3;
}
.hero-scroll {
  position: absolute;
  right: var(--pad-x);
  bottom: 54px;
  z-index: 2;
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  color: rgba(255,255,255,.65);
  writing-mode: vertical-rl;
  padding-top: 46px;
}
.hero-scroll::before {
  content: "";
  position: absolute;
  top: 0; right: 50%;
  width: 1px; height: 38px;
  background: linear-gradient(to bottom, var(--shumi), transparent);
  animation: scrollHint 2s ease infinite;
}
@keyframes scrollHint {
  0% { transform: scaleY(0); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: top; }
  56% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   共通セクション
   ============================================================ */
.section { padding: clamp(90px, 13vw, 150px) var(--pad-x); position: relative; }
.section.bg-kinari { background: var(--kinari); }
/* 旧ダークセクションもライトトーンに統一 */
.section.bg-sumi { background: var(--kinari); color: var(--sumi); }

.sec-head { margin-bottom: clamp(44px, 6vw, 70px); }
.sec-head .en {
  display: block;
  font-family: var(--font-en);
  font-weight: 500;
  font-size: clamp(1.9rem, 4.6vw, 3.2rem);
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--shumi);
  margin-bottom: 18px;
}
.sec-head h2 {
  font-family: var(--font-min);
  font-weight: 600;
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  letter-spacing: 0.14em;
  line-height: 1.6;
}
.sec-head .lead {
  margin-top: 20px;
  max-width: 640px;
  color: var(--sumi-usu);
  font-size: 0.92rem;
}

/* 見出し横の墨線 */
.sec-head.with-rule h2 {
  display: flex;
  align-items: center;
  gap: 26px;
}
.sec-head.with-rule h2::after {
  content: "";
  flex: 1;
  max-width: 220px;
  height: 1px;
  background: linear-gradient(to right, var(--shumi) 0 34px, var(--keisen) 34px);
}

/* スクロール出現 */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity .9s cubic-bezier(.22,1,.36,1), transform .9s cubic-bezier(.22,1,.36,1);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }

/* 写真は左からのワイプ＋ズームアウトで現れる */
.reveal .ph {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1.1s cubic-bezier(.65,0,.35,1);
}
.reveal .ph img {
  transform: scale(1.14);
  transition: transform 1.6s cubic-bezier(.22,1,.36,1) .1s;
}
.reveal.is-visible .ph { clip-path: inset(0); }
.reveal.is-visible .ph img { transform: scale(1); }
.reveal[data-delay="1"] .ph { transition-delay: .12s; }
.reveal[data-delay="2"] .ph { transition-delay: .24s; }

/* 見出し横の墨線は出現時に伸びる */
.sec-head.with-rule h2::after {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.1s cubic-bezier(.65,0,.35,1) .35s;
}
.sec-head.with-rule.is-visible h2::after { transform: scaleX(1); }

/* 下層ヒーローの登場（見出し文字はJSで1字ずつ分割） */
.page-hero .en {
  opacity: 0;
  animation: fadeUp .9s ease .15s forwards;
}
.page-hero h1 .ch {
  display: inline-block;
  opacity: 0;
  transform: translateY(.55em);
  animation: chIn .8s cubic-bezier(.22,1,.36,1) forwards;
  animation-delay: calc(var(--i, 0) * 70ms + .35s);
}
@keyframes chIn { to { opacity: 1; transform: translateY(0); } }
.page-hero .lead {
  opacity: 0;
  animation: fadeUp 1s ease .8s forwards;
}

/* マーキー（トップ：流れる大文字） */
.marquee {
  overflow: hidden;
  padding: clamp(26px, 4vw, 44px) 0;
  border-top: 1px solid var(--keisen);
  border-bottom: 1px solid var(--keisen);
  background: var(--shirokuro);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee-track span {
  font-family: var(--font-en);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  letter-spacing: 0.12em;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px rgba(38, 35, 31, .3);
}
.marquee-track span i {
  font-style: normal;
  -webkit-text-stroke: 1px rgba(178, 58, 29, .45);
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* パララックス対象（JSがtranslateYを制御） */
[data-plx] { will-change: transform; }

/* 写真枠（img があれば表示、なければ差し替えラベル付きプレースホルダ） */
.ph {
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, #eceade 0%, #e0dccd 60%, #d5d0bf 100%);
}
.ph img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.ph::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(100deg, rgba(38,35,31,.02) 0 1px, transparent 1px 46px);
}
.ph::after {
  content: attr(data-label);
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-min);
  font-size: 0.66rem;
  letter-spacing: 0.4em;
  color: rgba(38,35,31,.35);
  white-space: nowrap;
}
.ph:has(img)::before,
.ph:has(img)::after { content: none; }
/* 旧クラス互換（トーン違いは廃止） */
.ph.ph-light, .ph.ph-warm { background: linear-gradient(140deg, #eceade 0%, #e0dccd 60%, #d5d0bf 100%); }

/* ============================================================
   トップ：こだわり
   ============================================================ */
.concept-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(28px, 4vw, 56px);
}
.concept-card { position: relative; }
.concept-card .ph { aspect-ratio: 16 / 10; }
.concept-card h3 {
  font-family: var(--font-min);
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  margin: 22px 0 10px;
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.concept-card h3 .oshi {
  font-family: var(--font-min);
  font-size: 0.66rem;
  letter-spacing: 0.3em;
  color: var(--shumi);
  border-bottom: 1px solid var(--shumi);
  padding-bottom: 2px;
  white-space: nowrap;
}
.concept-card p { font-size: 0.88rem; color: var(--sumi-usu); }

/* ============================================================
   トップ：Movie
   ============================================================ */
.movie-wrap {
  max-width: 980px;
  margin: 0 auto;
}
.movie-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #171511;
  outline: 1px solid var(--keisen);
  outline-offset: 12px;
}
.movie-frame iframe,
.movie-frame video {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  border: 0;
}
.movie-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  color: rgba(255,255,255,.6);
  background:
    radial-gradient(100% 90% at 50% 30%, rgba(178,58,29,.18), transparent 60%),
    radial-gradient(120% 100% at 80% 90%, rgba(210,170,110,.1), transparent 55%);
}
.movie-placeholder .play {
  width: 76px; height: 76px;
  border: 1px solid rgba(255,255,255,.5);
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: background .3s ease, transform .3s ease;
}
.movie-placeholder .play::after {
  content: "";
  border-style: solid;
  border-width: 9px 0 9px 15px;
  border-color: transparent transparent transparent rgba(255,255,255,.85);
  margin-left: 4px;
}
.movie-placeholder:hover .play { background: var(--shumi); transform: scale(1.06); }
.movie-placeholder .cap {
  font-size: 0.68rem;
  letter-spacing: 0.34em;
  font-family: var(--font-min);
}
.movie-note {
  margin-top: 26px;
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--sumi-usu);
}

/* ============================================================
   トップ：施工事例
   ============================================================ */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 40px);
}
.work-card { display: block; }
.work-card .ph {
  aspect-ratio: 4 / 3;
  transition: transform .5s ease, box-shadow .5s ease;
}
.work-card:hover .ph {
  transform: translateY(-6px);
  box-shadow: 0 18px 34px rgba(38,35,31,.12);
}
.work-card .cat {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.62rem;
  letter-spacing: 0.26em;
  color: var(--shumi);
  border: 1px solid rgba(178,58,29,.45);
  padding: 3px 10px;
}
.work-card h3 {
  font-family: var(--font-min);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.1em;
  margin-top: 10px;
}

/* もっと見るリンク */
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-top: clamp(40px, 5vw, 60px);
  font-family: var(--font-min);
  font-size: 0.86rem;
  letter-spacing: 0.24em;
}
.more-link .bar {
  width: 56px; height: 1px;
  background: var(--sumi);
  position: relative;
  transition: width .35s ease, background .35s ease;
}
.more-link .bar::after {
  content: "";
  position: absolute;
  right: 0; bottom: 0;
  width: 12px; height: 1px;
  background: inherit;
  transform: rotate(35deg);
  transform-origin: right;
}
.more-link:hover .bar { width: 84px; background: var(--shumi); }

/* ============================================================
   トップ：会社案内帯 / 求人帯
   ============================================================ */
.banner-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.banner-duo a {
  position: relative;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px var(--pad-x);
  color: #fff;
  overflow: hidden;
}
.banner-duo a .bg {
  position: absolute;
  inset: 0;
  transition: transform .6s ease;
}
.banner-duo a:hover .bg { transform: scale(1.05); }
.banner-duo a .bg::after {
  content: "";
  position: absolute;
  inset: 0;
  /* 明るい写真でも文字が読めるよう、文字側（下部）を濃くする */
  background: linear-gradient(to top, rgba(20, 17, 12, .82) 0%, rgba(20, 17, 12, .38) 55%, rgba(20, 17, 12, .16) 100%);
  transition: background .4s ease;
}
.banner-duo a:hover .bg::after {
  background: linear-gradient(to top, rgba(140, 45, 18, .82) 0%, rgba(140, 45, 18, .4) 55%, rgba(140, 45, 18, .18) 100%);
}
.banner-duo .en {
  position: relative;
  font-family: var(--font-en);
  font-size: 0.64rem;
  letter-spacing: 0.42em;
  margin-bottom: 12px;
  color: rgba(255,255,255,.8);
}
.banner-duo h3 {
  position: relative;
  font-family: var(--font-min);
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  font-weight: 600;
  letter-spacing: 0.18em;
}
.banner-duo p {
  position: relative;
  margin-top: 10px;
  font-size: 0.82rem;
  color: rgba(255,255,255,.92);
}
.banner-duo .en,
.banner-duo h3,
.banner-duo p { text-shadow: 0 1px 14px rgba(0, 0, 0, .5); }
/* タップ/クリックできることを示す矢印 */
.banner-duo a::before {
  content: "→";
  position: absolute;
  right: clamp(20px, 3vw, 40px);
  bottom: 22px;
  z-index: 1;
  font-family: var(--font-min);
  font-size: 1.1rem;
  color: #fff;
  opacity: .85;
  transition: transform .35s ease;
}
.banner-duo a:hover::before { transform: translateX(6px); }

/* ============================================================
   下層ページ共通（白基調）
   ============================================================ */
.page-hero {
  padding: clamp(150px, 20vw, 210px) var(--pad-x) clamp(56px, 8vw, 84px);
  background:
    repeating-linear-gradient(90deg, rgba(38,35,31,.025) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(0deg, rgba(38,35,31,.02) 0 1px, transparent 1px 120px),
    var(--shirokuro);
  color: var(--sumi);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 30px;
  background:
    repeating-linear-gradient(90deg, rgba(38,35,31,.35) 0 1px, transparent 1px 10px),
    repeating-linear-gradient(90deg, rgba(38,35,31,.55) 0 1px, transparent 1px 100px);
  background-size: auto 8px, auto 15px;
  background-repeat: repeat-x;
  background-position: bottom left;
  opacity: .22;
}
.page-hero .en {
  display: block;
  font-family: var(--font-en);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 3.4rem);
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--shumi);
  margin-bottom: 18px;
}
.page-hero h1 {
  font-family: var(--font-min);
  font-weight: 600;
  font-size: clamp(1.9rem, 4.2vw, 2.8rem);
  letter-spacing: 0.2em;
}
.page-hero .lead {
  margin-top: 18px;
  font-size: 0.9rem;
  color: var(--sumi-usu);
  max-width: 620px;
}
.breadcrumb {
  padding: 14px var(--pad-x);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--sumi-usu);
  border-bottom: 1px solid var(--keisen);
}
.breadcrumb a:hover { color: var(--shumi); }
.breadcrumb .sep { margin: 0 10px; color: var(--keisen); }

/* 表組み（会社概要・求人） */
.def-table {
  width: 100%;
  border-collapse: collapse;
  max-width: 860px;
}
.def-table th,
.def-table td {
  text-align: left;
  padding: 20px 14px;
  border-bottom: 1px solid var(--keisen);
  vertical-align: top;
  font-weight: 400;
  font-size: 0.9rem;
}
.def-table th {
  width: 190px;
  font-family: var(--font-min);
  letter-spacing: 0.16em;
  color: var(--sumi);
  white-space: nowrap;
  position: relative;
}
.def-table th::before {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  width: 34px; height: 1px;
  background: var(--shumi);
}
.def-table td { color: var(--sumi-usu); }

/* CTA帯（白基調＋朱） */
.cta-band {
  background: var(--kinari);
  color: var(--sumi);
  text-align: center;
  padding: clamp(70px, 9vw, 110px) var(--pad-x);
  border-top: 1px solid var(--keisen);
}
.cta-band .en {
  display: block;
  font-family: var(--font-en);
  font-size: 0.66rem;
  letter-spacing: 0.44em;
  color: var(--shumi);
  margin-bottom: 16px;
}
.cta-band h2 {
  font-family: var(--font-min);
  font-weight: 600;
  font-size: clamp(1.4rem, 2.8vw, 1.9rem);
  letter-spacing: 0.18em;
  margin-bottom: 14px;
}
.cta-band p { font-size: 0.86rem; color: var(--sumi-usu); margin-bottom: 34px; }
.cta-tel {
  display: inline-block;
  font-family: var(--font-min);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  letter-spacing: 0.1em;
  border: 1px solid var(--sumi);
  padding: 18px 54px;
  background: var(--shirokuro);
  transition: background .3s ease, border-color .3s ease, color .3s ease;
}
.cta-tel small {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.32em;
  color: var(--sumi-usu);
  margin-bottom: 6px;
  font-family: var(--font-goth);
  transition: color .3s ease;
}
.cta-tel:hover { background: var(--shumi); border-color: var(--shumi); color: #fff; }
.cta-tel:hover small { color: rgba(255,255,255,.75); }
/* CTA帯：メールフォームへの導線 */
.cta-mail {
  display: block;
  width: fit-content;
  margin: 26px auto 0;
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  color: var(--sumi);
  border-bottom: 1px solid var(--sumi);
  padding-bottom: 4px;
  transition: color .3s ease, border-color .3s ease;
}
.cta-mail::after { content: " →"; color: var(--shumi); }
.cta-mail:hover { color: var(--shumi); border-color: var(--shumi); }

/* ============================================================
   フッター（白基調）
   ============================================================ */
.footer {
  background: var(--shirokuro);
  color: var(--sumi);
  padding: clamp(60px, 8vw, 90px) var(--pad-x) 30px;
  border-top: 1px solid var(--keisen);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--keisen);
}
.footer .logo { color: var(--sumi); }
.footer .logo small { color: var(--sumi-usu); }
.footer-addr {
  margin-top: 18px;
  font-size: 0.8rem;
  line-height: 2.2;
  color: var(--sumi-usu);
}
.footer-nav {
  display: flex;
  gap: clamp(24px, 4vw, 56px);
  flex-wrap: wrap;
}
.footer-nav a {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  padding: 6px 0;
}
.footer-nav a:hover { color: var(--shumi); }
.copyright {
  padding-top: 26px;
  font-size: 0.64rem;
  letter-spacing: 0.2em;
  color: var(--sumi-usu);
  text-align: center;
}

/* ============================================================
   レスポンシブ
   ============================================================ */
@media (max-width: 900px) {
  .gnav { display: none; }
  .menu-btn { display: block; }
  .concept-grid { grid-template-columns: 1fr; }
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  /* バナーは左右に余白＋間隔を入れて「独立した2つのボタン」に見せる */
  .banner-duo {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 0 20px;
  }
  .banner-duo a { min-height: 220px; }
  .banner-duo p { font-size: 0.86rem; }
  .def-table th { width: 130px; }

  /* ヒーロー（モバイル）：コピーを読みやすく */
  .hero-inner { bottom: clamp(70px, 11vh, 110px); }
  .hero::after {
    background:
      linear-gradient(to top, rgba(16, 14, 11, .74), rgba(16, 14, 11, .28) 55%, transparent 78%),
      linear-gradient(105deg, rgba(16, 14, 11, .38), transparent 60%);
  }
  .hero-copy { font-size: clamp(1.6rem, 7vw, 2.2rem); letter-spacing: 0.12em; }
  .hero-scroll { display: none; }
}
@media (max-width: 560px) {
  body { font-size: 14px; }
  .works-grid { grid-template-columns: 1fr; }
  .def-table th,
  .def-table td { display: block; width: 100%; padding: 12px 4px; }
  .def-table th { border-bottom: none; padding-bottom: 0; }
}

/* アクセシビリティ */
:focus-visible { outline: 2px solid var(--shumi); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .reveal .ph { clip-path: inset(0); }
  .reveal .ph img { transform: none; }
  .sec-head.with-rule h2::after { transform: none; }
  .hero-lede, .hero-copy, .hero-sub, .kv-meta { opacity: 1; transform: none; }
  .kv-photos img:first-child { opacity: 1; transform: none; }
  .kv-progress .bar i { transform: scaleX(1); }
  .page-hero .en, .page-hero h1 .ch, .page-hero .lead { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}