/* =========================================================================
   ANBY Slide Template — deck.css
   スライドの土台（16:9 キャンバス、切り替え、ナビ、一覧、印刷）。
   通常は編集不要です。
   ========================================================================= */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: #000;
  color: #fff;
  font-family: var(--f-gothic);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "palt" 1;
  word-break: auto-phrase;   /* 日本語を文節で改行（対応ブラウザのみ） */
  line-break: strict;
}
img { display: block; max-width: 100%; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }

/* ---------- Viewport & stage ---------- */
.deck {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background: #000;
  user-select: none;
  -webkit-user-select: none;
}
.deck.is-idle { cursor: none; }
.stage {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1920px;
  height: 1080px;
  transform: translate(-50%, -50%) scale(var(--scale, .5));
  transform-origin: center center;
  overflow: hidden;
  background: var(--c-ink);
  contain: layout paint;
}
/* 質感：うっすらとしたフィルムグレイン */
.stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: .07;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ---------- Slides ---------- */
.slide {
  position: absolute;
  inset: 0;
  width: 1920px;
  height: 1080px;
  overflow: hidden;
  padding: var(--pad-y) var(--pad-x);
  display: flex;
  flex-direction: column;
  color: var(--fg);
  background: var(--bg-image, var(--bg));
  background-color: var(--bg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-slide) var(--ease-in-out), visibility 0s linear var(--dur-slide);
}
.slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
  transition: opacity var(--dur-slide) var(--ease-in-out);
}
.slide.is-leaving { z-index: 1; }
.stage.is-instant > .slide { transition: none !important; }
.slide > :where(:not(.bg, .chrome, .notes)) { position: relative; z-index: 2; }
.notes { display: none; }

/* ---------- Chrome (ロゴ・セクション名・ページ番号：JSが自動挿入) ---------- */
.chrome {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  font-family: var(--f-sans-en);
}
.chrome__top,
.chrome__bottom {
  position: absolute;
  left: 64px;
  right: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.chrome__top { top: 46px; }
.chrome__bottom { bottom: 42px; }
.chrome__section {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.chrome__section:not(:empty)::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--accent);
}
.chrome__logo { height: 22px; width: auto; opacity: .92; }
.chrome__logo.is-white { display: var(--logo-white); }
.chrome__logo.is-blue  { display: var(--logo-blue); }
.chrome__copy {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--fg-3);
}
.chrome__page {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--fg-3);
  font-variant-numeric: tabular-nums;
}
.chrome__page b { color: var(--fg); font-weight: 700; }
.chrome__page i { display: block; width: 40px; height: 1px; background: var(--line-strong); }
.slide[data-chrome="minimal"] .chrome__top { display: none; }

/* ---------- Tracks（分岐：対象外のスライド・要素は非表示） ---------- */
.is-off-track { display: none !important; }
.chrome__track {
  margin-left: 6px;
  padding: 5px 10px 4px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  font: 700 11px/1 var(--f-gothic);
  font-style: normal;
  letter-spacing: .14em;
  color: var(--accent);
}

/* ---------- Progress ---------- */
.progress {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 100%;
  z-index: 70;
  transform-origin: left center;
  transform: scaleX(var(--progress, 0));
  background: linear-gradient(90deg, var(--c-brand), var(--c-brand-bright) 70%, var(--c-brand-glow));
  transition: transform .8s var(--ease-out);
  pointer-events: none;
}

/* ---------- Curtain transition（セクション扉で使用） ---------- */
.curtain {
  position: absolute;
  inset: 0;
  z-index: 80;
  pointer-events: none;
  transform: scaleX(0);
  background:
    linear-gradient(90deg, transparent calc(100% - 6px), var(--c-brand-glow) calc(100% - 6px)),
    linear-gradient(120deg, var(--c-brand-deep), var(--c-brand) 60%, var(--c-brand-light));
}

/* ---------- On-screen controls ---------- */
.controls {
  position: fixed;
  right: 22px;
  bottom: 20px;
  z-index: 100;
  display: flex;
  gap: 6px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(10, 12, 22, .72);
  border: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .35s, transform .35s;
}
.deck.show-ui .controls,
.controls:hover { opacity: 1; transform: none; }
.controls button {
  appearance: none;
  border: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: transparent;
  cursor: pointer;
  transition: background .2s;
}
.controls button:hover { background: rgba(255, 255, 255, .12); }
.controls button:focus-visible { outline: 2px solid var(--c-brand-bright); outline-offset: 1px; }
.controls svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.6; }
/* ボタンの名前とショートカットキー（マウスを乗せると表示） */
.controls button { position: relative; --tip-x: -50%; }
.controls button:last-child { --tip-x: -78%; }
.controls button[data-tip]::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 12px);
  transform: translate(var(--tip-x), 4px);
  padding: 7px 11px;
  border-radius: 6px;
  white-space: nowrap;
  font: 500 12px/1 var(--f-gothic);
  letter-spacing: .06em;
  color: #fff;
  background: rgba(10, 12, 22, .92);
  border: 1px solid rgba(255, 255, 255, .14);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s, transform .18s;
}
.controls button:hover::after,
.controls button:focus-visible::after { opacity: 1; transform: translate(var(--tip-x), 0); }
.controls button.controls__track {
  width: auto;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .22);
  font: 700 12px/1 var(--f-gothic);
  letter-spacing: .1em;
}
.controls__count {
  align-self: center;
  min-width: 70px;
  text-align: center;
  font: 600 12px/1 var(--f-sans-en);
  letter-spacing: .14em;
  color: rgba(255, 255, 255, .7);
  font-variant-numeric: tabular-nums;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  top: 22px;
  z-index: 120;
  transform: translate(-50%, -12px);
  padding: 10px 18px;
  border-radius: 999px;
  font: 600 13px/1 var(--f-sans-en);
  letter-spacing: .08em;
  color: #fff;
  background: rgba(10, 12, 22, .85);
  border: 1px solid rgba(255, 255, 255, .14);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s, transform .3s;
}
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Hint（初回のみ表示する操作ヒント） ---------- */
.hint {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 105;
  display: flex;
  gap: 18px;
  padding: 10px 18px;
  border-radius: 999px;
  font: 500 13px/1 var(--f-gothic);
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .86);
  background: rgba(10, 12, 22, .78);
  border: 1px solid rgba(255, 255, 255, .14);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transform: translate(-50%, 10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .5s, transform .5s;
}
.hint.is-on { opacity: 1; transform: translate(-50%, 0); }
.hint span { display: flex; align-items: center; gap: 7px; white-space: nowrap; }
.hint kbd {
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: 5px;
  border: 1px solid rgba(255, 255, 255, .3);
  font: 700 11px/1 var(--f-sans-en);
}

/* ---------- Overview（Oキー / Escで一覧） ---------- */
.overview {
  position: fixed;
  inset: 0;
  z-index: 110;
  overflow-y: auto;
  padding: 64px 56px 80px;
  background: rgba(3, 4, 10, .94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s, visibility 0s linear .35s;
  user-select: none;
}
.overview.is-open { opacity: 1; visibility: visible; transition: opacity .35s; }
.overview__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  max-width: 1600px;
  margin: 0 auto 28px;
  font: 600 13px/1 var(--f-sans-en);
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
}
.overview__tracks { display: flex; gap: 8px; }
.overview__tracks button {
  appearance: none;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .25);
  background: transparent;
  color: rgba(255, 255, 255, .7);
  font: 700 12px/1 var(--f-gothic);
  letter-spacing: .12em;
  cursor: pointer;
}
.overview__tracks button.is-on { background: #fff; color: #111; border-color: #fff; }
.ov-item[hidden] { display: none; }
.overview__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(288px, 1fr));
  gap: 26px 22px;
  max-width: 1600px;
  margin: 0 auto;
}
.ov-item {
  appearance: none;
  border: 0;
  padding: 0;
  background: none;
  text-align: left;
  color: #fff;
  cursor: pointer;
}
.ov-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  outline: 1px solid rgba(255, 255, 255, .1);
  transition: outline-color .2s, transform .3s var(--ease-out);
}
.ov-thumb > .slide {
  transform-origin: 0 0;
  transform: scale(var(--thumb-scale, .15));
  pointer-events: none;
}
.ov-item:hover .ov-thumb { transform: translateY(-3px); outline-color: rgba(255, 255, 255, .4); }
.ov-item.is-current .ov-thumb { outline: 2px solid var(--c-brand-bright); }
.ov-item:focus-visible { outline: none; }
.ov-item:focus-visible .ov-thumb { outline: 2px solid #fff; }
.ov-label {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  font: 500 12px/1.4 var(--f-gothic);
  color: rgba(255, 255, 255, .6);
}
.ov-label b { font: 700 12px/1.4 var(--f-sans-en); color: #fff; letter-spacing: .1em; }

/* ---------- Notes & help panels ---------- */
.panel {
  position: fixed;
  z-index: 115;
  left: 50%;
  bottom: 24px;
  width: min(880px, calc(100vw - 32px));
  transform: translate(-50%, 16px);
  padding: 22px 26px;
  border-radius: 14px;
  background: rgba(10, 12, 22, .92);
  border: 1px solid rgba(255, 255, 255, .14);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: rgba(255, 255, 255, .86);
  font: 400 15px/1.8 var(--f-gothic);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, transform .3s, visibility 0s linear .3s;
}
.panel.is-open { opacity: 1; visibility: visible; transform: translate(-50%, 0); transition: opacity .3s, transform .3s; }
.panel h4 { font: 700 12px/1 var(--f-sans-en); letter-spacing: .24em; text-transform: uppercase; color: var(--c-brand-glow); margin-bottom: 12px; }
.panel kbd {
  display: inline-block;
  min-width: 26px;
  padding: 3px 7px;
  margin-right: 8px;
  border-radius: 5px;
  border: 1px solid rgba(255, 255, 255, .25);
  font: 600 12px/1.2 var(--f-sans-en);
  text-align: center;
}
.panel dl { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 28px; }
.panel dt { display: none; }

/* ---------- Static mode（URL に ?static を付けるとアニメーションなし） ---------- */
.is-static-mode *,
.is-static-mode *::before,
.is-static-mode *::after { transition: none !important; animation: none !important; }
.is-static-mode .controls { display: none; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  :root { --dur: 1ms; --dur-slide: 1ms; }
  .bg__img, .glow, .orbit__spin, .pulse { animation: none !important; }
}

/* ---------- Print / PDF 書き出し（ブラウザの印刷 → PDFに保存） ---------- */
@page { size: 1920px 1080px; margin: 0; }
@media print {
  html, body { height: auto; overflow: visible; background: #000; }
  * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
  .deck { position: static; display: block; }
  .stage { position: static; transform: none !important; width: 1920px; height: auto; overflow: visible; contain: none; background: none; }
  .stage::after, .progress, .curtain, .controls, .toast, .overview, .panel, .hint { display: none !important; }
  .slide {
    position: relative;
    opacity: 1 !important;
    visibility: visible !important;
    transition: none !important;
    break-after: page;
    page-break-after: always;
  }
}

/* ---------- Lite mode（スマホ・タブレットで自動。?lite で強制、?full で解除） ----------
   iPhone のブラウザは縮小表示した大きな要素を元のサイズでメモリに描くため、
   縮小を zoom で行い、メモリを多く使う演出をオフにしてページの強制終了を防ぎます。 */
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
.is-lite .stage { transform: translate(-50%, -50%); }
.is-lite .stage::after { display: none; }                       /* フィルムの粒子 */
.is-lite .bg__img { transform: none !important; transition: none !important; }   /* 写真のズーム */
.is-lite [data-anim="chars"] .char { filter: none !important; }  /* 文字のぼかし */
.is-lite [data-anim="blur"] { filter: none; }
.is-lite .glow, .is-lite .moon, .is-lite .float, .is-lite .orbit__spin,
.is-lite .vision__ring, .is-lite .pulse::after { animation: none !important; }
.is-lite .bubbles, .is-lite .bg__video { display: none !important; }
.is-lite .bg__tint { mix-blend-mode: normal; opacity: .38; }
.is-lite .controls, .is-lite .hint, .is-lite .toast, .is-lite .overview,
.is-lite .panel, .is-lite .steps { backdrop-filter: none !important; -webkit-backdrop-filter: none !important; }
.is-lite .ov-thumb > .slide { transform: none; zoom: var(--thumb-scale, .15); }
@media print { .stage { zoom: 1 !important; } }