/* ============================================================
   work-detail.css — 施工事例 詳細ページ固有スタイル
   (site.css + menu-detail.css を併用。ここは事例詳細だけのもの)
   ============================================================ */

/* ===== hero ===== */
.wd-hero{
  position: relative;
  padding: 150px 0 0;
  background: var(--paper);
}
.wd-hero .crumb{
  display:flex; align-items:center; gap: 12px;
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 30px;
}
.wd-hero .crumb a{ color: var(--muted); }
.wd-hero .crumb a:hover{ color: var(--navy); }
.wd-hero .crumb .sep{ color: var(--rule-2); }

.wd-hero .head-grid{
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: end;
  padding-bottom: 40px;
}
.wd-hero .ix{
  display: flex; align-items: baseline; gap: 14px;
  margin-bottom: 20px;
}
.wd-hero .ix .cat{
  font-family: var(--display-en); font-style: italic;
  font-size: 13px; color: var(--ember); letter-spacing: 0.1em;
}
.wd-hero .ix .no{
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--muted); padding-left: 14px; border-left: 1px solid var(--rule-2);
}
.wd-hero h1{
  font-family: var(--display-jp);
  font-weight: 500;
  font-size: clamp(34px, 4.8vw, 68px);
  line-height: 1.32;
  letter-spacing: 0.07em;
  color: var(--ink);
  margin: 0 0 18px;
  max-width: 14em;
  word-break: keep-all; line-break: strict; text-wrap: pretty;
}
.wd-hero h1 .navy{ color: var(--navy); }
.wd-hero .lead{
  font-family: var(--display-jp);
  font-size: 14.5px; line-height: 2.1;
  color: var(--ink-3); letter-spacing: 0.06em;
  margin: 0; max-width: 600px;
}
.wd-hero .place{
  text-align: right;
}
.wd-hero .place .pin{
  font-family: var(--display-en); font-style: italic;
  font-size: clamp(22px, 2.6vw, 32px);
  color: var(--navy); line-height: 1; letter-spacing: 0.02em;
}
.wd-hero .place .pin-jp{
  font-family: var(--display-jp);
  font-size: 13px; color: var(--ink-3);
  letter-spacing: 0.08em; margin-top: 8px;
}

.wd-hero-visual{
  position: relative;
  aspect-ratio: 16/8;
  overflow: hidden;
  background: var(--paper-2);
}
.wd-hero-visual img{
  width:100%; height:100%; object-fit: cover;
  transform: scale(1.02);
  animation: wdPan 30s ease-in-out infinite alternate;
}
@keyframes wdPan{
  from{ transform: scale(1.02) translate3d(0,0,0); }
  to{ transform: scale(1.07) translate3d(-1.5%, -1%, 0); }
}
.wd-hero-visual .tag{
  position:absolute; left:0; bottom:0;
  background: var(--navy); color: var(--white);
  padding: 12px 20px;
  font-family: var(--display-en); font-style: italic;
  font-size: 12px; letter-spacing: 0.12em;
}

/* ===== before / after slider ===== */
.ba{
  padding: clamp(80px, 10vw, 140px) 0;
  background: var(--paper-2);
}
.ba .head{
  text-align: center;
  margin-bottom: clamp(40px, 5vw, 64px);
}
.ba .head .eyebrow{ justify-content: center; }
.ba .head .eyebrow::before{ display:none; }
.ba .head h2{
  font-family: var(--display-jp); font-weight: 500;
  font-size: clamp(26px, 3vw, 40px);
  letter-spacing: 0.08em; color: var(--ink);
  margin: 16px 0 14px; line-height: 1.5;
}
.ba .head h2 .en{
  display:block;
  font-family: var(--display-en); font-style: italic; font-weight: 400;
  font-size: 0.42em; color: var(--navy); margin-top: 12px; letter-spacing: 0.04em;
}
.ba .head p{
  font-family: var(--display-jp);
  font-size: 14px; line-height: 2; color: var(--ink-3);
  letter-spacing: 0.06em; max-width: 560px; margin: 0 auto;
}

.ba-stage{
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--paper-3);
  user-select: none;
  touch-action: none;
  cursor: ew-resize;
  border: 1px solid var(--rule);
}
.ba-stage img{
  position:absolute; inset:0;
  width:100%; height:100%; object-fit: cover;
  pointer-events: none;
  -webkit-user-drag: none;
}
.ba-stage .after-layer{
  /* on top, clipped from the right by the handle position */
  clip-path: inset(0 0 0 var(--pos, 50%));
}
.ba-stage .lab{
  position: absolute; top: 18px;
  padding: 7px 14px;
  font-family: var(--display-en); font-style: italic;
  font-size: 12px; letter-spacing: 0.1em;
  background: var(--paper); color: var(--navy);
  border: 1px solid var(--rule);
  z-index: 3;
}
.ba-stage .lab.before{ left: 18px; }
.ba-stage .lab.after{ right: 18px; background: var(--navy); color: var(--white); border-color: var(--navy); }

.ba-stage .divider{
  position:absolute; top:0; bottom:0;
  left: var(--pos, 50%);
  width: 2px; background: var(--white);
  transform: translateX(-1px);
  z-index: 4;
  box-shadow: 0 0 0 1px rgba(15,35,71,.15);
}
.ba-stage .knob{
  position:absolute; top: 50%;
  left: var(--pos, 50%);
  width: 52px; height: 52px;
  transform: translate(-50%, -50%);
  background: var(--white);
  border: 1px solid var(--rule-2);
  border-radius: 50%;
  z-index: 5;
  display: grid; place-content: center;
  box-shadow: 0 12px 30px -12px rgba(27,58,111,.4);
}
.ba-stage .knob::before,
.ba-stage .knob::after{
  content:""; position:absolute; top:50%;
  width: 7px; height: 7px;
  border-top: 1.5px solid var(--navy); border-right: 1.5px solid var(--navy);
}
.ba-stage .knob::before{ left: 14px; transform: translateY(-50%) rotate(-135deg); }
.ba-stage .knob::after{ right: 14px; transform: translateY(-50%) rotate(45deg); }
.ba-hint{
  text-align: center;
  margin-top: 18px;
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--muted);
}

/* ===== story (challenge / proposal / result) ===== */
.story{
  padding: clamp(90px, 11vw, 150px) 0;
  background: var(--paper);
}
.story .container{ max-width: 1100px; }
.story-row{
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: clamp(28px, 4vw, 64px);
  padding: clamp(36px, 4vw, 56px) 0;
  border-top: 1px solid var(--rule);
}
.story-row:last-child{ border-bottom: 1px solid var(--rule); }
.story-row .tag{
  display: flex; flex-direction: column; gap: 10px;
}
.story-row .tag .n{
  font-family: var(--display-en); font-style: italic;
  font-size: 30px; color: var(--ember); line-height: 1;
}
.story-row .tag .k{
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted);
}
.story-row .tag .jp{
  font-family: var(--display-jp); font-weight: 500;
  font-size: 17px; color: var(--navy); letter-spacing: 0.08em;
}
.story-row .body p{
  font-family: var(--display-jp);
  font-size: 15px; line-height: 2.15;
  color: var(--ink-3); letter-spacing: 0.06em;
  margin: 0;
}
.story-row .body p + p{ margin-top: 18px; }
.story-row .body b{ color: var(--navy); font-weight: 500; }

/* ===== gallery ===== */
.wd-gallery{
  padding: clamp(70px, 8vw, 110px) 0 clamp(90px, 11vw, 150px);
  background: var(--paper);
  overflow: hidden;
}
.wd-gallery .head{ margin-bottom: clamp(36px, 4vw, 56px); }
.gal-grid{
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-flow: dense;
  align-items: start;
  gap: clamp(14px, 2vw, 24px);
}
.gal-grid figure{
  margin: 0;
  overflow: hidden;
  background: var(--paper-3);
  position: relative;
  box-shadow: 0 18px 46px rgba(15,35,71,.08);
}
.gal-grid figure img{
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
  transition: transform .8s ease;
}
.gal-grid figure:hover img{ transform: scale(1.015); }
.gal-grid figure figcaption{
  padding: 10px 14px 12px;
  background: rgba(15,35,71,.92); color: var(--white);
  font-family: var(--display-jp); font-size: 11.5px;
  letter-spacing: 0.08em;
}
.gal-grid .g-wide{ grid-column: span 7; }
.gal-grid .g-tall{ grid-column: span 4; }
.gal-grid .g-half{ grid-column: span 5; }
.gal-grid .g-third{ grid-column: span 4; }
.gal-grid figure:nth-child(3n+2){ margin-top: clamp(28px, 5vw, 72px); }
.gal-grid figure:nth-child(4n+3){ margin-top: clamp(10px, 3vw, 44px); }

@media (max-width: 760px){
  .wd-gallery .container{
    padding-right: 0;
  }
  .wd-gallery .head{
    padding-right: var(--pad);
  }
  .gal-grid{
    display: flex;
    gap: 14px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 0 var(--pad) 18px 0;
  }
  .gal-grid::-webkit-scrollbar{
    height: 4px;
  }
  .gal-grid::-webkit-scrollbar-thumb{
    background: var(--rule-2);
  }
  .gal-grid figure,
  .gal-grid .g-wide,
  .gal-grid .g-tall,
  .gal-grid .g-half,
  .gal-grid .g-third{
    flex: 0 0 min(82vw, 390px);
    grid-column: auto;
    margin-top: 0;
    scroll-snap-align: start;
  }
  .gal-grid figure img{
    max-height: 68vh;
    width: 100%;
    object-fit: contain;
    background: var(--paper-3);
  }
}

/* ===== voice ===== */
.voice{
  padding: clamp(90px, 11vw, 150px) 0;
  background: var(--navy);
  color: var(--white);
  position: relative; overflow: hidden;
}
.voice::before{
  content:"”"; position:absolute;
  right: 4%; top: -10%;
  font-family: var(--display-en); font-style: italic;
  font-size: 420px; line-height: 1;
  color: rgba(251,249,244,.05);
  pointer-events: none;
}
.voice .container{ max-width: 920px; position: relative; }
.voice .eyebrow{ color: rgba(251,249,244,.85); }
.voice .eyebrow .num{ color: var(--sage); }
.voice blockquote{
  margin: 26px 0 0;
  font-family: var(--display-jp); font-weight: 400;
  font-size: clamp(20px, 2.6vw, 32px);
  line-height: 1.9; letter-spacing: 0.06em;
  color: var(--white);
  word-break: keep-all; line-break: strict; text-wrap: pretty;
}
.voice blockquote .em{
  color: var(--sage);
  border-bottom: 1px solid rgba(168,182,160,.5);
}
.voice .who{
  display:flex; align-items:center; gap: 16px;
  margin-top: 36px;
  font-family: var(--display-jp); font-size: 13px;
  color: rgba(251,249,244,.7); letter-spacing: 0.08em;
}
.voice .who .line{ width: 40px; height: 1px; background: rgba(251,249,244,.4); }
.voice .who .en{ font-family: var(--display-en); font-style: italic; color: rgba(251,249,244,.55); }

/* ===== spec table ===== */
.spec{
  padding: clamp(90px, 11vw, 150px) 0;
  background: var(--paper);
}
.spec .container{ max-width: 1000px; }
.spec .head{ margin-bottom: clamp(36px, 4vw, 56px); }
.spec-table{
  border-top: 1px solid var(--rule-2);
}
.spec-table .row{
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}
.spec-table .row .k{
  font-family: var(--display-jp); font-weight: 500;
  font-size: 13.5px; color: var(--navy); letter-spacing: 0.08em;
  display: flex; align-items: baseline; gap: 12px;
}
.spec-table .row .k .en{
  font-family: var(--display-en); font-style: italic;
  font-size: 11px; color: var(--muted); letter-spacing: 0.04em;
}
.spec-table .row .v{
  font-family: var(--display-jp);
  font-size: 14.5px; line-height: 1.9; color: var(--ink-2);
  letter-spacing: 0.04em;
}

/* ===== prev/next nav ===== */
.wd-nav{
  background: var(--paper-2);
  border-top: 1px solid var(--rule);
}
.wd-nav .container{
  display: grid; grid-template-columns: 1fr auto 1fr;
}
.wd-nav a{
  padding: 36px 0;
  display: flex; flex-direction: column; gap: 8px;
  transition: background .25s ease;
}
.wd-nav a:hover{ background: var(--paper-3); }
.wd-nav a.prev{ padding-right: 32px; }
.wd-nav a.next{ padding-left: 32px; align-items: flex-end; text-align: right; }
.wd-nav .dir{
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--ember);
}
.wd-nav .t{
  font-family: var(--display-jp); font-weight: 500;
  font-size: 16px; color: var(--ink); letter-spacing: 0.06em;
  line-height: 1.5;
}
.wd-nav .mid{
  display: grid; place-items: center;
  border-left: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  padding: 0 36px;
}
.wd-nav .mid a{
  padding: 0; flex-direction: row; align-items: center; gap: 10px;
  font-family: var(--display-en); font-style: italic;
  font-size: 13px; color: var(--navy);
}
.wd-nav .mid a:hover{ background: transparent; color: var(--ember); }

/* ===== responsive ===== */
@media (max-width: 960px){
  .wd-hero{ padding-top: 120px; }
  .wd-hero .head-grid{ grid-template-columns: 1fr; gap: 24px; align-items: start; }
  .wd-hero .place{ text-align: left; }
  .wd-hero-visual{ aspect-ratio: 16/10; }
  .story-row{ grid-template-columns: 1fr; gap: 18px; }
  .story-row .tag{ flex-direction: row; align-items: baseline; gap: 16px; }
  .gal-grid{ grid-template-columns: repeat(2, 1fr); }
  .gal-grid .g-wide, .gal-grid .g-tall, .gal-grid .g-half, .gal-grid .g-third{
    grid-column: span 1; aspect-ratio: 4/3;
  }
  .spec-table .row{ grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 560px){
  .ba-stage{ aspect-ratio: 4/3; }
  .gal-grid{ grid-template-columns: 1fr; }
  .wd-nav .container{ grid-template-columns: 1fr; }
  .wd-nav .mid{ border: 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 20px; }
  .wd-nav a.next{ align-items: flex-start; text-align: left; }
}