/* works.html — page-specific styles, extracted from inline */

.works-intro{background:radial-gradient(ellipse at top,#16263F 0%,transparent 60%),radial-gradient(ellipse at bottom,#0A1424 0%,transparent 70%),#050810;padding:160px 32px 80px;text-align:center}
.works-intro .label{font-family:'Cinzel',serif;font-size:11px;letter-spacing:.6em;color:var(--gold);text-transform:uppercase;opacity:.6;margin-bottom:20px}
.works-intro h1{font-family:'Noto Serif JP',serif;font-weight:300;font-size:clamp(24px,3vw,42px);color:var(--bone);letter-spacing:.06em;line-height:1.5;margin-bottom:24px}
.works-intro p.en{font-family:'Cormorant Garamond',serif;font-style:italic;font-size:clamp(18px,2vw,24px);color:var(--gold);opacity:.75;letter-spacing:.04em}

/* Programme book */
.programme{background:radial-gradient(ellipse at center,#16263F 0%,#0F1A2E 40%,#050810 100%);padding:60px 32px 120px;flex-direction:column}
.programme-inner{max-width:1400px;width:100%;margin:0 auto}
.programme-meta{text-align:center;margin-bottom:48px;font-family:'Cinzel',serif;font-size:10px;letter-spacing:.5em;color:var(--gold);opacity:.6;text-transform:uppercase}
.book{position:relative;perspective:2400px;aspect-ratio:1.6;width:100%;cursor:grab}
.book:active{cursor:grabbing}

/* Closed cover (initial state) */
.book-cover{
  position:absolute;inset:0;z-index:50;
  background:url('/assets/programme/book-cover-pc.webp') center/cover no-repeat;
  box-shadow:0 80px 160px rgba(0,0,0,.7),inset 0 0 60px rgba(0,0,0,.4);
  cursor:pointer;
  transform-origin:left center;
  transform:rotateY(0);
  transition:transform 1.8s cubic-bezier(.55,.05,.6,.55),opacity 1s var(--ease) 1s;
}
.book.opened .book-cover{
  transform:rotateY(-160deg);
  opacity:0;pointer-events:none;
}
.book-cover::after{
  content:"";position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(0,0,0,.4) 0%,transparent 25%);
  pointer-events:none;
}
.book-cover-cta{
  position:absolute;bottom:32px;left:50%;
  transform:translateX(-50%);
  display:flex;align-items:center;gap:14px;
  font-family:'Cinzel',serif;font-size:11px;letter-spacing:.5em;
  color:var(--gold-light);text-transform:uppercase;
  padding:14px 28px;
  background:rgba(15,26,46,.85);
  border:1px solid var(--gold-light);
  backdrop-filter:blur(8px);
  animation:bookPulse 2.4s ease-in-out infinite;
}
@keyframes bookPulse{
  0%,100%{box-shadow:0 0 0 0 rgba(212,201,160,.4)}
  50%{box-shadow:0 0 24px 4px rgba(212,201,160,.5)}
}
.spread{position:absolute;inset:0;display:grid;grid-template-columns:1fr 1fr;background:#0d0c08;width:100%;height:100%;box-shadow:0 80px 160px rgba(0,0,0,.7),0 0 0 1px rgba(184,168,122,.1),inset 0 0 200px rgba(0,0,0,.4);transform-style:preserve-3d;transition:transform 1.6s cubic-bezier(.45,.05,.4,1),opacity 1.2s var(--ease);backface-visibility:hidden;will-change:transform,opacity}
.spread::before{content:"";position:absolute;top:5%;bottom:5%;left:50%;width:1px;background:linear-gradient(180deg,transparent 0%,rgba(184,168,122,.2) 50%,transparent 100%);z-index:5}
.spread::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 48%,rgba(0,0,0,.5) 50%,transparent 52%);pointer-events:none;z-index:6}
.spread:not(.active){opacity:0;pointer-events:none}
/* Natural page-flip — page hinges from the spine, falls forward */
.spread.flip-out-next{opacity:0;transform:rotateY(-160deg);transform-origin:left center}
.spread.flip-in-next{animation:flipInRight 1.6s cubic-bezier(.45,.05,.4,1) forwards}
.spread.flip-out-prev{opacity:0;transform:rotateY(160deg);transform-origin:right center}
.spread.flip-in-prev{animation:flipInLeft 1.6s cubic-bezier(.45,.05,.4,1) forwards}
@keyframes flipInRight{from{opacity:0;transform:rotateY(160deg);transform-origin:right center}50%{opacity:1}to{opacity:1;transform:rotateY(0)}}
@keyframes flipInLeft{from{opacity:0;transform:rotateY(-160deg);transform-origin:left center}50%{opacity:1}to{opacity:1;transform:rotateY(0)}}

/* Page corner curls — natural folding paper */
.page-corner{
  position:absolute;
  width:80px;height:80px;
  z-index:8;
  pointer-events:auto;cursor:pointer;
  transition:width .5s var(--ease),height .5s var(--ease),filter .5s var(--ease);
  filter:drop-shadow(0 4px 12px rgba(0,0,0,.5));
}
.page-corner svg{width:100%;height:100%;display:block}
.page-corner.left{bottom:0;left:0;transform-origin:bottom left}
.page-corner.right{bottom:0;right:0;transform-origin:bottom right}
.page-corner:hover{
  width:120px;height:120px;
  filter:drop-shadow(0 8px 22px rgba(0,0,0,.7)) drop-shadow(0 0 16px rgba(184,168,122,.45));
}
.page-corner.disabled{opacity:.15;cursor:default;pointer-events:none}

/* Click-to-flip side zones — 主動線として50%幅で本全体カバー (項目7) */
/* tabs 領域(上端80px) と corner 領域(下端60px) は除外 */
.flip-zone{
  position:absolute;top:80px;bottom:60px;width:50%;
  z-index:5;cursor:pointer;
  opacity:0;transition:opacity .3s var(--ease);
  display:flex;align-items:center;
}
.flip-zone.left{
  left:0;
  background:linear-gradient(90deg,rgba(184,168,122,.07) 0%,transparent 35%);
  justify-content:flex-start;padding-left:18px;
}
.flip-zone.right{
  right:0;
  background:linear-gradient(-90deg,rgba(184,168,122,.07) 0%,transparent 35%);
  justify-content:flex-end;padding-right:18px;
}
/* hover/タッチ時に hint 可視化 */
.book.opened:hover .flip-zone,
.book.opened .flip-zone:hover,
.book.opened.show-hints .flip-zone{opacity:1}
/* hint 矢印 */
.flip-zone::before{
  content:"";
  width:32px;height:32px;
  border:1px solid rgba(184,168,122,.5);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(10,10,10,.4);
  backdrop-filter:blur(4px);
  position:relative;
}
.flip-zone.left::after{
  content:"‹";
  position:absolute;left:26px;top:50%;transform:translateY(-52%);
  font-family:'Cinzel',serif;font-size:24px;color:var(--gold-light);
  line-height:1;pointer-events:none;
}
.flip-zone.right::after{
  content:"›";
  position:absolute;right:26px;top:50%;transform:translateY(-52%);
  font-family:'Cinzel',serif;font-size:24px;color:var(--gold-light);
  line-height:1;pointer-events:none;
}
/* Closed state では非表示 (book-cover が前面なので必須ではないが念のため) */
.book:not(.opened) .flip-zone{pointer-events:none;opacity:0!important}

/* Swipe hint (mobile + first-time) */
.book-swipe-hint{
  text-align:center;margin-top:16px;
  font-family:'Cinzel',serif;font-size:10px;letter-spacing:.4em;
  color:var(--gold);opacity:.5;text-transform:uppercase;
  display:flex;justify-content:center;align-items:center;gap:14px;
}
.book-swipe-hint .arrow-anim{animation:swipePulse 2s ease-in-out infinite}
.book-swipe-hint .arrow-anim.left{animation-name:swipePulseL}
@keyframes swipePulse{0%,100%{transform:translateX(0);opacity:.5}50%{transform:translateX(8px);opacity:1}}
@keyframes swipePulseL{0%,100%{transform:translateX(0);opacity:.5}50%{transform:translateX(-8px);opacity:1}}

.page{padding:clamp(32px,5vw,80px);display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.page-left{background:radial-gradient(ellipse at top right,rgba(184,168,122,.08) 0%,transparent 60%),linear-gradient(135deg,#15120c 0%,#0d0c08 100%)}
.page-right{padding:0;background:#000;position:relative}
.page-right img{width:100%;height:100%;object-fit:cover;filter:brightness(.95) contrast(1.05)}
.page-right::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.5) 0%,transparent 25%,transparent 75%,rgba(0,0,0,.3) 100%);pointer-events:none}

.chapter{font-family:'Cinzel',serif;font-size:10px;letter-spacing:.5em;color:var(--gold);text-transform:uppercase;opacity:.7;margin-bottom:48px}
.chapter::before{content:"— ";color:var(--gold-dark)}
.chapter::after{content:" —";color:var(--gold-dark)}
.quote-jp{font-family:'Noto Serif JP',serif;font-weight:300;font-size:clamp(28px,3.4vw,52px);color:var(--bone);line-height:1.6;letter-spacing:.06em}
.quote-jp.smaller{font-size:clamp(20px,2.4vw,32px)}
.quote-en{font-family:'Cormorant Garamond',serif;font-style:italic;font-weight:300;font-size:clamp(16px,1.8vw,24px);color:var(--gold);margin-top:32px;letter-spacing:.04em;line-height:1.5}
.folio{font-family:'Cinzel',serif;font-size:9px;letter-spacing:.4em;color:var(--gold);text-transform:uppercase;opacity:.4;display:flex;justify-content:space-between}

.book-nav{margin-top:32px;display:flex;justify-content:center;align-items:center;gap:24px}
.book-nav button{padding:14px 28px;border:1px solid rgba(184,168,122,.3);color:var(--gold);font-family:'Cinzel',serif;font-size:10px;letter-spacing:.4em;text-transform:uppercase;transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease)}
/* PC: close ボタン非表示 (本sectionから動線なし。SPだけ表示) */
.book-nav .book-close-btn{display:none}
.book-nav button:hover{background:var(--gold);color:var(--obsidian);border-color:var(--gold)}
.book-nav button:disabled{opacity:.3;cursor:not-allowed}
.book-nav .progress{font-family:'Cinzel',serif;font-size:11px;letter-spacing:.4em;color:var(--gold);opacity:.7;font-feature-settings:"tnum"}

.book-tabs{display:flex;justify-content:center;gap:8px;margin-bottom:24px;flex-wrap:wrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding-bottom:4px}
.book-tabs::-webkit-scrollbar{display:none}
.book-tabs button{padding:8px 16px;border:1px solid rgba(184,168,122,.2);color:var(--bone);font-family:'Cinzel',serif;font-size:9px;letter-spacing:.3em;text-transform:uppercase;opacity:.5;transition:all .3s;white-space:nowrap;flex:0 0 auto}
.book-tabs button.active{opacity:1;border-color:var(--gold);color:var(--gold)}
.book-tabs button:hover{opacity:1}

/* What we make grid (after the book) */
.what{background:linear-gradient(180deg,#080D17 0%,#0F1A2E 50%,#0A0F1A 100%);padding:120px 32px;border-top:1px solid rgba(184,168,122,.1);position:relative}
.what::before{content:"";position:absolute;inset:0;background:url('/assets/spaces/seven-pillars-bg.webp') center/cover no-repeat;opacity:.28;filter:hue-rotate(-8deg) saturate(.85) brightness(.7);mix-blend-mode:screen;pointer-events:none;z-index:0}
.what::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,transparent 20%,rgba(8,13,23,.6) 70%,rgba(10,15,26,.9) 100%);pointer-events:none;z-index:1}
.what-inner{position:relative;z-index:5}
.what-card{position:relative;z-index:5}
.what-inner{max-width:1200px;margin:0 auto}
.what h2{text-align:center;font-family:'Noto Serif JP',serif;font-weight:300;font-size:clamp(28px,4vw,48px);color:var(--bone);margin-bottom:64px;letter-spacing:.06em}
.what h2 em{font-family:'Cormorant Garamond',serif;font-style:italic;color:var(--gold);font-weight:400}
.what-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px}
.what-card{padding:40px 32px;border:1px solid rgba(184,168,122,.15);background:rgba(15,12,8,.4);transition:all .5s var(--ease)}
.what-card:hover{border-color:var(--gold);background:rgba(184,168,122,.06);transform:translateY(-4px)}
.what-card .num{font-family:'Cinzel',serif;font-size:9px;letter-spacing:.5em;color:var(--gold);opacity:.5}
.what-card h4{font-family:'Noto Serif JP',serif;font-weight:400;font-size:22px;color:var(--bone);margin:12px 0;letter-spacing:.04em}
.what-card p{font-family:'Noto Sans JP',sans-serif;font-size:13px;color:var(--bone);opacity:.7;line-height:1.8}

@media(max-width:1024px){
  .book{aspect-ratio:auto;perspective:none}
  .spread{position:relative;grid-template-columns:1fr}
  .spread:not(.active){display:none;transform:none}
  .page-right{aspect-ratio:.75}
}
@media(max-width:768px){
  /* SP: book-cover を縦長 portrait 画像に切替 */
  .book-cover{background-image:url('/assets/programme/book-cover-sp.webp')}
  .programme{padding:40px 12px calc(110px + env(safe-area-inset-bottom)) 12px}
  /* SP: book を 82vw に縮小 + 中央寄せ (項目3) */
  .book{max-width:82vw;width:82vw;margin:0 auto;overflow:hidden}
  /* book-cover も同じく 82vw に追随 + portrait 比率を維持 */
  .book-cover{aspect-ratio:.72}
  .spread{min-width:0;max-width:100%;overflow:hidden}
  .page{padding:22px 18px;min-width:0;max-width:100%;overflow:hidden;box-sizing:border-box}
  .page-left p,.page-left .chapter{word-break:keep-all;overflow-wrap:break-word;line-break:strict;max-width:100%}
  .page-right{aspect-ratio:1.05;max-width:100%;overflow:hidden}
  .page-right img{width:100%;height:100%;object-fit:cover}
  .book-tabs{justify-content:flex-start;flex-wrap:nowrap;padding:0 8px 8px;margin-bottom:16px}
  .what{padding:80px 16px}
  .works-intro{padding:120px 16px 60px}
  .programme-meta{font-size:9px}

  /* SP: sticky bottom navigation — めくり・閉じるボタンに即アクセス */
  .book-nav{
    position:fixed;
    bottom:0;left:0;right:0;
    margin:0;
    padding:12px 12px calc(12px + env(safe-area-inset-bottom)) 12px;
    background:linear-gradient(180deg,rgba(8,12,20,0) 0%,rgba(8,12,20,.85) 25%,rgba(5,8,16,.97) 100%);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-top:1px solid rgba(184,168,122,.25);
    z-index:80;
    gap:10px;
    justify-content:space-between;
    align-items:stretch;
  }
  .book-nav button{
    flex:1 1 0;
    padding:14px 12px;
    font-size:11px;letter-spacing:.25em;
    background:rgba(184,168,122,.12);
    border-color:rgba(184,168,122,.4);
    min-height:48px;
    touch-action:manipulation;
  }
  .book-nav button:active{background:rgba(184,168,122,.28);transform:scale(.97)}
  .book-nav .progress{
    flex:0 0 auto;align-self:center;
    font-size:10px;letter-spacing:.25em;
    padding:0 6px;white-space:nowrap;
  }
  /* SP: closeボタン表示 */
  .book-nav .book-close-btn{display:flex;align-items:center;justify-content:center;flex:0 0 auto;padding:14px 12px;font-size:10px;background:rgba(232,180,180,.06);border-color:rgba(232,180,180,.3);color:#E8B4B4}
  .book-nav .book-close-btn:active{background:rgba(232,180,180,.18)}
  /* SP: 本開封時 map-btn / audio-toggle 退避 */
  body.book-reading .map-btn,
  body.book-reading .audio-toggle{
    opacity:0;pointer-events:none;
    transition:opacity .4s var(--ease);
  }
}

.nyx-skip-to-content{
  position:fixed;left:-9999px;top:8px;z-index:9999;
  padding:10px 16px;background:#0A0A0A;color:#B8A87A;
  font-family:'Cinzel',serif;font-size:11px;letter-spacing:.3em;
  border:1px solid #B8A87A;text-decoration:none;text-transform:uppercase;
}
.nyx-skip-to-content:focus{left:8px}