/* ===== ヒーロー ===== */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  color:var(--ink);overflow:hidden;
}
.hero-slides{position:absolute;inset:0;z-index:0}
.hero-slide{
  position:absolute;inset:0;
  background-size:cover;background-position:center center;
  opacity:0;transform:scale(1);
  transition:opacity 1.2s ease;
}
.hero-slide.is-active{
  opacity:1;
  animation:heroKenBurns 8s linear forwards;
}
@keyframes heroKenBurns{
  from{transform:scale(1)}
  to{transform:scale(1.08)}
}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:rgba(0,0,0,0.65);
  pointer-events:none;
}
.hero-grid{display:none}
.hero-inner{
  position:relative;z-index:2;width:100%;
  max-width:none;margin:0;padding:0 80px;
  display:flex;flex-direction:column;align-items:center;
}
.hero-inner > *{max-width:100%}
.hero .en-title{
  font-family:"Noto Serif JP","Yu Mincho","Hiragino Mincho Pro","Hiragino Mincho ProN",serif;
  font-weight:600;color:#fff;
  font-size:clamp(32px,4.5vw,64px);letter-spacing:0.22em;line-height:1.15;
  margin:0;text-align:center;
}
.hero .en-title .title-line{display:block;white-space:nowrap;margin:0;text-align:center}
.hero .en-title .title-char{
  display:inline-block;
  opacity:0;
  transform:translateX(-24px);
  filter:blur(10px);
  animation:titleCharIn .9s cubic-bezier(.2,.7,.3,1) forwards;
}
.hero .en-title .title-char.title-space{width:0.6em}
@keyframes titleCharIn{
  to{opacity:1;transform:translateX(0);filter:blur(0)}
}
.headline-divider{
  width:120px;height:1px;background:rgba(255,255,255,.5);
  margin:44px 0 0 0;
}
.hero .ja-title{
  font-family:"Noto Serif JP","Yu Mincho","Hiragino Mincho Pro","Hiragino Mincho ProN",serif;
  color:#fff;
  font-size:clamp(27px,1vw,15px);line-height:1.8;
  margin:18px 0 0 0;letter-spacing:0.18em;
  max-width:520px;text-align:center;align-self:center;
  opacity:0;
  filter:blur(10px);
  animation:jaTitleIn 1.2s ease forwards;
  animation-delay:3.4s;
}
@keyframes jaTitleIn{
  to{opacity:1;filter:blur(0)}
}

/* hero の上の横線を非表示にする */
.hero .accent-line{display:none}
.scroll-hint{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);
  font-family:"Oswald",sans-serif;font-size:11px;letter-spacing:.3em;color:#fff;
  writing-mode:vertical-rl;z-index:2;
}
.scroll-hint::after{
  content:"";display:block;width:1px;height:50px;background:rgba(255,255,255,.4);
  margin:12px auto 0;animation:scrollLine 2s infinite;
}
@keyframes scrollLine{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.1%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

@media(max-width:760px){
  .hero{aspect-ratio:auto;min-height:0;height:calc(100vw + 68px);padding-top:90px;padding-bottom:40px}
  .hero-slide{background-position:center center}
  .hero-inner{
    width:100%;
    margin:0;
    padding:0 20px;
    align-items:center;
    text-align:center;
    justify-content:center;
  }
  .hero-inner > *{max-width:100%}
  .hero .en-title{
    font-size:clamp(20px,7vw,28px);
    letter-spacing:0.14em;
    line-height:1.25;
    text-align:center;
    color:#ffffff;
    text-shadow:0 2px 8px rgba(0,0,0,0.55);
  }
  .hero .en-title .title-line{white-space:nowrap;display:block}
  .hero .ja-title{
    font-size:17px;
    margin-top:16px;
    text-align:center;
    align-self:center;
    color:#f7f3e8;
    text-shadow:0 2px 6px rgba(0,0,0,0.45);
    font-weight:600;
  }
  .scroll-hint{display:none}
}

/* ===== ABOUT（TOPの「私たちについて」抜粋） ===== */
.about{padding:120px 0;background:#fff}
.about .sec-head{background:transparent}

/* ----- スクロール入場：写真は左からフェード+軽いズームアウト、
        右のテキストは ABOUT → 見出し → 下線 → 本文 → READ MORE の順に表示 ----- */
#about .about-img{
  opacity:0;
  transform:translateX(-30px);
  transition:opacity .8s cubic-bezier(.22,1,.36,1),transform .8s cubic-bezier(.22,1,.36,1);
}
#about .about-photo{
  transform:scale(1.04);
  transition:transform 1.1s cubic-bezier(.22,1,.36,1);
}
#about .about-grid.in .about-img{opacity:1;transform:none}
#about .about-grid.in .about-photo{transform:scale(1)}

#about .sec-head__en{
  opacity:0;
  transition:opacity .5s cubic-bezier(.22,1,.36,1);
}
#about .sec-head__jp{
  opacity:0;
  transform:translateY(20px);
  transition:opacity .6s cubic-bezier(.22,1,.36,1) .12s,transform .6s cubic-bezier(.22,1,.36,1) .12s;
}
#about .sec-head__jp::after{
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .55s cubic-bezier(.22,1,.36,1) .24s;
}
#about .about-body p{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s cubic-bezier(.22,1,.36,1) .36s,transform .6s cubic-bezier(.22,1,.36,1) .36s;
}
#about .about-body .btn{
  opacity:0;
  transition:opacity .6s cubic-bezier(.22,1,.36,1) .48s,color .3s,border-color .3s,transform .3s;
}
#about .about-grid.in .sec-head__en{opacity:1}
#about .about-grid.in .sec-head__jp{opacity:1;transform:translateY(0)}
#about .about-grid.in .sec-head__jp::after{transform:scaleX(1)}
#about .about-grid.in .about-body p{opacity:1;transform:translateY(0)}
#about .about-grid.in .about-body .btn{opacity:1}

/* ===== WORKS（TOPの「施工実績」、写真バナー＋白いカードパネル） ===== */
.works{padding:0 0 120px;background:#fff}

/* --- 上部の写真バナー --- */
.works-band{position:relative;padding:120px 0 190px;overflow:hidden}
.works-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;
  z-index:0;pointer-events:none;opacity:0.95;
}
.works-band::before{
  content:"";position:absolute;left:0;right:0;top:0;bottom:0;
  background:rgba(8, 15, 53, 0.9); /* 濃紺オーバーレイ */
  z-index:1;pointer-events:none;
}
.works-band__inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;
}
.works-band .sec-head__en{color:rgba(255,255,255,0.85)}
.works-band__title{
  font-family:"Noto Serif JP",serif;font-weight:500;font-style:italic;
  font-size:clamp(44px,6vw,72px);color:#fff;letter-spacing:.03em;
  margin-top:8px;line-height:1.05;
}
.works-band__sub{
  font-size:15px;color:rgba(255,255,255,0.85);letter-spacing:.1em;margin-top:10px;
}
.works-band__head{position:relative;padding-bottom:26px}
.works-band__head::after{
  content:"";position:absolute;left:0;bottom:0;width:52px;height:2px;background:#fff;
}
.works-band__desc p{
  color:rgba(255,255,255,0.85);font-size:14px;line-height:2;max-width:420px;
}
.works-band__desc .btn{
  margin-top:22px;color:#fff;border-color:rgba(255,255,255,0.35);
}
.works-band__desc .btn .arrow{background:#fff}
.works-band__desc .btn .arrow::after{border-color:#fff}
.works-band__desc .btn:hover .arrow{transform:translateX(5px)}

/* ----- スクロール入場：背景写真はゆっくりフェード＋微ズーム、
        WORKS → 施工実績 → 下線 → VIEW ALL の順に表示 ----- */
.works-bg{
  opacity:0;
  transform:scale(1.03);
  transition:opacity 1.1s ease,transform 1.1s ease;
}
.works-band.in .works-bg{opacity:0.95;transform:scale(1)}

.works-band .sec-head__en{
  opacity:0;
  transition:opacity .5s cubic-bezier(.22,1,.36,1);
}
.works-band__title{
  opacity:0;
  transform:translateY(30px);
  transition:opacity .8s cubic-bezier(.22,1,.36,1) .15s,transform .8s cubic-bezier(.22,1,.36,1) .15s;
}
.works-band__head::after{
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .6s cubic-bezier(.22,1,.36,1) .35s;
}
.works-band__desc{
  opacity:0;
  transition:opacity .7s cubic-bezier(.22,1,.36,1) .3s;
}
.works-band.in .sec-head__en{opacity:1}
.works-band.in .works-band__title{opacity:1;transform:translateY(0)}
.works-band.in .works-band__head::after{transform:scaleX(1)}
.works-band.in .works-band__desc{opacity:1}

/* --- 白いカードパネル（バナーに重ねて配置） --- */
.works-panel{
  position:relative;z-index:3;background:#fff;border-radius:0;
  box-shadow:0 30px 60px rgba(16,24,40,0.18);
  padding:56px 48px;margin-top:-140px;
  opacity:0;
  transform:translateY(50px);
  transition:opacity .9s cubic-bezier(.22,1,.36,1),transform .9s cubic-bezier(.22,1,.36,1);
}
.works-panel.in{opacity:1;transform:none}
.works-panel .work-thumb{border-radius:0}
.works-panel .work-year{border-radius:0}

/* ----- カード内の3項目：パネル表示後に左から順番にフェードアップ ----- */
.work-card{
  opacity:0;
  transform:translateY(20px);
}
.works-panel.in .work-card{
  opacity:1;transform:none;
  transition:opacity .7s cubic-bezier(.22,1,.36,1) .15s,transform .7s cubic-bezier(.22,1,.36,1) .15s;
}
.works-panel.in .work-card:nth-child(2){transition-delay:.28s}
.works-panel.in .work-card:nth-child(3){transition-delay:.41s}
.works-panel.in .work-card:hover{
  transform:translateY(-3px);
  transition-duration:.4s;
  transition-delay:0s;
}

/* ===== NEWS（TOPの「お知らせ」抜粋） ===== */
.news{padding:110px 0;background:#fafafa;color:var(--ink)}
.news-top{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:40px}

/* ----- スクロール入場：見出し→下線→VIEW ALLの順、
        一覧は各行が上から順番にフェードアップ ----- */
#news .sec-head__en{
  opacity:0;
  transition:opacity .5s cubic-bezier(.22,1,.36,1);
}
#news .sec-head__jp{
  opacity:0;
  transform:translateY(20px);
  transition:opacity .6s cubic-bezier(.22,1,.36,1) .12s,transform .6s cubic-bezier(.22,1,.36,1) .12s;
}
#news .sec-head__jp::after{
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .55s cubic-bezier(.22,1,.36,1) .24s;
}
#news .news-top .btn{
  opacity:0;
  transition:opacity .6s cubic-bezier(.22,1,.36,1) .36s,color .3s,border-color .3s,transform .3s;
}
#news .news-top.in .sec-head__en{opacity:1}
#news .news-top.in .sec-head__jp{opacity:1;transform:translateY(0)}
#news .news-top.in .sec-head__jp::after{transform:scaleX(1)}
#news .news-top.in .btn{opacity:1}

#news .news-row{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .6s cubic-bezier(.22,1,.36,1),transform .6s cubic-bezier(.22,1,.36,1);
}
#news .news-row.in{opacity:1;transform:none}
#news .news-list li.news-row:nth-child(2){transition-delay:.08s}
#news .news-list li.news-row:nth-child(3){transition-delay:.16s}
#news .news-list li.news-row:nth-child(4){transition-delay:.24s}

/* ホバー：テキストがわずかに右へ、タイトルの色が変化する控えめな演出 */
#news .news-list li a:hover{background:none;padding-left:8px}
#news .news-list li a .news-text{
  display:inline-block;
  transition:transform .3s cubic-bezier(.22,1,.36,1),color .3s cubic-bezier(.22,1,.36,1);
}
#news .news-list li a:hover .news-text{transform:translateX(4px);color:var(--brass)}

/* ===== レスポンシブ（WORKS バナー＋パネル） ===== */
@media(max-width:920px){
  .works-band__inner{grid-template-columns:1fr;gap:24px;align-items:start}
  .works-panel{padding:40px 28px;margin-top:-100px}
}
@media(max-width:760px){
  .about{padding:56px 0}
  .works{padding:0 0 80px}
  .works-band{padding:80px 0 150px}
  .works-panel{margin-top:-90px}
}