@font-face {
  font-family: 'LogoType';
  src: url('fonts/logotype.woff2') format('woff2');
  font-display: swap;
}

:root {
  --bg: #fff8ee;
  --grid: #ecdcc6;
  --navy: #12355a;
  --ink: #2b2b2b;
  --blue: #5b8cac;
  --lit: #fe401c;
  --unlit: #a3a3a3;
  --gray: #8a8a8a;
  --brown: #6a3708;
  --f-logo: 'LogoType', 'Hiragino Maru Gothic ProN', 'Hiragino Sans', sans-serif;
  --f-num: 'Apple SD Gothic Neo', 'Hiragino Sans', 'Noto Sans JP', system-ui, sans-serif;
  /* デザイン(1080x1920)の1pxぶん */
  --vh: 100vh;
  --u: calc(min(100vw, var(--vh) * 0.5625) / 1080);
  --sx: calc((100vw - var(--u) * 1080) / 2);
  --sy: calc((var(--vh) - var(--u) * 1920) / 2);
}
@supports (height: 100dvh) { :root { --vh: 100dvh; } }

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; height: 100%; overflow: hidden;
  background: var(--bg); color: var(--ink);
  font-family: var(--f-logo);
  overscroll-behavior: none;
  -webkit-user-select: none; user-select: none;
  -webkit-touch-callout: none;
}
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; touch-action: manipulation; }
img { -webkit-user-drag: none; user-select: none; }
[hidden] { display: none !important; }

.grid-bg {
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid) 1.5px, transparent 1.5px),
    linear-gradient(90deg, var(--grid) 1.5px, transparent 1.5px);
  background-size: calc(min(100vw, var(--vh)) / 11) calc(min(100vw, var(--vh)) / 11);
  background-position: center top;
}

.screen {
  position: fixed; inset: 0;
  opacity: 0; visibility: hidden;
  transition: opacity .35s ease, visibility 0s linear .35s;
  overflow: hidden;
}
.screen.active { opacity: 1; visibility: visible; transition: opacity .35s ease; }

.stage {
  position: absolute;
  left: var(--sx); top: var(--sy);
  width: calc(var(--u) * 1080); height: calc(var(--u) * 1920);
}
.stage > * { position: absolute; }

/* ===== タイトル ===== */
.t-logo { left: calc(var(--u)*98); top: calc(var(--u)*222); width: calc(var(--u)*885); }
.t-lead {
  margin: 0; left: 0; right: 0; top: calc(var(--u)*668);
  text-align: center; color: var(--navy);
  font-size: calc(var(--u)*44); line-height: 1.68; letter-spacing: .08em;
}
.t-hatch {
  left: calc(var(--u)*265); width: calc(var(--u)*555); top: calc(var(--u)*830); height: calc(var(--u)*34);
  background: repeating-linear-gradient(45deg, #8a8f93 0 1.4px, transparent 1.4px 6px),
              repeating-linear-gradient(-45deg, #8a8f93 0 1.4px, transparent 1.4px 6px);
  clip-path: polygon(2% 0, 98% 0, 100% 100%, 0 100%);
  opacity: .9;
}
.t-book { left: calc(var(--u)*194); top: calc(var(--u)*939); width: calc(var(--u)*714); }
.t-start {
  left: calc(var(--u)*307); top: calc(var(--u)*1552); width: calc(var(--u)*466); height: calc(var(--u)*152);
  border-radius: 999px; background: var(--blue); color: #fff;
  font-size: calc(var(--u)*58); letter-spacing: .1em;
  box-shadow: 0 calc(var(--u)*6) 0 rgba(30,60,90,.18);
  transition: transform .12s;
}
.t-start:active { transform: translateY(calc(var(--u)*4)) scale(.98); }

/* ===== 進み具合 ===== */
.p-logo { left: calc(var(--u)*273); top: calc(var(--u)*112); width: calc(var(--u)*525); }
.ring { left: calc(var(--u)*160); top: calc(var(--u)*420); width: calc(var(--u)*760); height: calc(var(--u)*760); }
.ring > * { position: absolute; }
.ring-lines { inset: 0; width: 100%; height: 100%; overflow: visible; }
.slot {
  width: calc(var(--u)*104); height: calc(var(--u)*104);
  margin: calc(var(--u)*-52) 0 0 calc(var(--u)*-52);
  color: var(--unlit);
  transition: color .5s ease;
}
.slot svg { width: 100%; height: 100%; display: block; }
.slot.lit { color: var(--lit); }
.slot.pop { animation: pop .9s cubic-bezier(.2,1.6,.4,1); }
.slot.pop::after {
  content: ''; position: absolute; inset: -40%; border-radius: 50%;
  background: radial-gradient(circle, rgba(254,64,28,.35), rgba(254,64,28,0) 65%);
  animation: glow 1.4s ease-out forwards;
}
@keyframes pop { 0% { transform: scale(.6); } 60% { transform: scale(1.35); } 100% { transform: scale(1); } }
@keyframes glow { 0% { opacity: 0; transform: scale(.4); } 30% { opacity: 1; } 100% { opacity: 0; transform: scale(1.6); } }
.pos0 { left: calc(var(--u)*637); top: calc(var(--u)*123); } /* 右上 */
.pos1 { left: calc(var(--u)*637); top: calc(var(--u)*637); } /* 右下 */
.pos2 { left: calc(var(--u)*123); top: calc(var(--u)*637); } /* 左下 */
.pos3 { left: calc(var(--u)*123); top: calc(var(--u)*123); } /* 左上 */
.stamp { left: calc(var(--u)*232); top: calc(var(--u)*218); width: calc(var(--u)*300); }

.found { left: calc(var(--u)*262); top: calc(var(--u)*1228); width: calc(var(--u)*570); }
.found-row {
  display: flex; justify-content: space-between; align-items: flex-end;
  border-bottom: calc(var(--u)*3) solid #111; padding: 0 calc(var(--u)*10) calc(var(--u)*2);
}
.found-label { font-size: calc(var(--u)*50); color: #222; letter-spacing: .03em; }
.found-num { font-family: var(--f-num); font-size: calc(var(--u)*56); color: #222; letter-spacing: .02em; }
.found-num b { font-weight: 400; color: var(--lit); margin-right: calc(var(--u)*6); }
.found-pages { margin-top: calc(var(--u)*10); padding-left: calc(var(--u)*12); font-family: var(--f-num); font-size: calc(var(--u)*30); color: var(--gray); }
.all-done { display: none; margin-left: calc(var(--u)*24); color: var(--lit); font-family: var(--f-logo); }
.all-done.show { display: inline; }

.sets { left: calc(var(--u)*80); top: calc(var(--u)*1408); width: calc(var(--u)*920); height: calc(var(--u)*190); display: flex; }
.set { flex: 1; display: flex; flex-direction: column; align-items: center; position: relative; }
.set + .set::before {
  content: ''; position: absolute; left: 0; top: calc(var(--u)*140); width: calc(var(--u)*3); height: calc(var(--u)*36); background: #555;
}
.set-img {
  position: relative; width: calc(var(--u)*212); height: calc(var(--u)*134); overflow: hidden;
  background: #eee;
}
.set-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: filter 1.4s ease, transform 1.4s ease; }
.set-img .q {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: var(--f-num); font-weight: 700; font-size: calc(var(--u)*80); color: #fff;
  text-shadow: 0 0 calc(var(--u)*10) rgba(0,0,0,.25);
  background: rgba(255,255,255,.25);
  transition: opacity 1s ease;
}
.set.locked .set-img img { filter: blur(calc(var(--u)*10)) saturate(.4); transform: scale(1.1); }
.set:not(.locked) .set-img .q { opacity: 0; }
.set span { margin-top: calc(var(--u)*12); font-family: var(--f-num); font-size: calc(var(--u)*30); color: #222; }

.p-btn {
  top: calc(var(--u)*1660); width: calc(var(--u)*348); height: calc(var(--u)*150);
  border-radius: calc(var(--u)*26);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: calc(var(--u)*8);
  font-size: calc(var(--u)*34); letter-spacing: .04em;
  transition: transform .12s;
}
.p-btn:active { transform: scale(.97); }
.p-btn svg { width: calc(var(--u)*80); height: calc(var(--u)*80); }
.p-scan { left: calc(var(--u)*151); background: var(--blue); color: #fff; box-shadow: 0 calc(var(--u)*5) calc(var(--u)*10) rgba(30,60,90,.2); }
.p-read { left: calc(var(--u)*586); background: #fffaf3; color: #333; border: calc(var(--u)*5) solid #333; }
.p-read svg { width: calc(var(--u)*90); height: calc(var(--u)*90); }
.p-read.nudge { animation: nudge 1.2s ease-in-out infinite; }
@keyframes nudge { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }

/* ===== スキャン ===== */
#s-scan { background: #2a2623; }
#s-scan video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
#vbg { filter: blur(14px) brightness(.9); transform: scale(1.08); }
#vwin { clip-path: inset(var(--win-t, 30%) var(--win-r, 20%) var(--win-b, 40%) var(--win-l, 20%) round calc(var(--u)*40)); }
.scan-dim { position: absolute; inset: 0; background: rgba(40,30,25,.18); pointer-events: none; }
.scan-win { left: calc(var(--u)*230); top: calc(var(--u)*350); width: calc(var(--u)*635); height: calc(var(--u)*620); border-radius: calc(var(--u)*40); }
.scan-brackets { left: calc(var(--u)*172); top: calc(var(--u)*293); width: calc(var(--u)*750); height: calc(var(--u)*734); overflow: visible; }
.scan-msg {
  left: calc(var(--u)*230); top: calc(var(--u)*350); width: calc(var(--u)*635); height: calc(var(--u)*620);
  display: flex; align-items: center; justify-content: center; text-align: center;
  border-radius: calc(var(--u)*40);
  font-size: calc(var(--u)*54); line-height: 1.5; color: var(--navy);
  background: rgba(255,248,238,.9);
  opacity: 0; transform: scale(.9); pointer-events: none;
  transition: opacity .25s, transform .25s;
}
.scan-msg.show { opacity: 1; transform: scale(1); }
.scan-msg.big { font-size: calc(var(--u)*80); color: var(--lit); }
.tori { left: calc(var(--u)*464); top: calc(var(--u)*1060); width: calc(var(--u)*182); }
.tori.hop { animation: hop .6s ease 2; }
@keyframes hop { 0%,100% { transform: translateY(0); } 40% { transform: translateY(calc(var(--u)*-40)); } }
.scan-hint { margin: 0; left: 0; right: 0; top: calc(var(--u)*1410); text-align: center; color: #fff; font-size: calc(var(--u)*44); letter-spacing: .08em; text-shadow: 0 1px 6px rgba(0,0,0,.35); }
.scan-close {
  left: calc(var(--u)*470); top: calc(var(--u)*1570); width: calc(var(--u)*140); height: calc(var(--u)*140);
  border-radius: 50%; background: #2e2523; display: flex; align-items: center; justify-content: center;
}
.scan-close svg { width: 55%; height: 55%; }
.scan-error {
  position: absolute; left: 50%; top: 40%; transform: translate(-50%, -50%);
  width: min(86vw, 420px); padding: 24px 20px; border-radius: 20px;
  background: var(--bg); color: var(--navy); text-align: center; z-index: 5;
}
.se-title { margin: 0 0 10px; font-size: 22px; }
.se-body { margin: 0 0 18px; font-family: var(--f-num); font-size: 14px; line-height: 1.7; color: #444; }
.se-btn { padding: 12px 22px; border-radius: 999px; background: var(--blue); color: #fff; font-size: 17px; }

/* ===== 読む（たて） ===== */
.r-back {
  left: calc(var(--u)*36); top: calc(var(--u)*56); width: calc(var(--u)*110); height: calc(var(--u)*110);
  display: flex; align-items: center; justify-content: center; color: var(--navy);
  border-radius: 50%; background: rgba(255,248,238,.9); border: calc(var(--u)*4) solid var(--navy);
}
.r-back svg { width: 55%; height: 55%; }
.r-pdf {
  right: calc(var(--u)*36); top: calc(var(--u)*66); height: calc(var(--u)*90); padding: 0 calc(var(--u)*28);
  display: flex; align-items: center; gap: calc(var(--u)*8);
  border-radius: 999px; background: var(--lit); color: #fff; text-decoration: none;
  font-family: var(--f-num); font-weight: 700; font-size: calc(var(--u)*36);
}
.r-pdf svg { width: calc(var(--u)*44); height: calc(var(--u)*44); }
.r-logo { left: calc(var(--u)*285); top: calc(var(--u)*128); width: calc(var(--u)*510); }
.r-full, .r-shrink {
  display: flex; align-items: center; justify-content: center; gap: calc(var(--u)*18);
  border: calc(var(--u)*4) solid var(--navy); border-radius: 999px; background: #fffaf3; color: var(--navy);
  font-size: calc(var(--u)*38);
}
.r-full { left: calc(var(--u)*818); top: calc(var(--u)*1230); width: calc(var(--u)*250); height: calc(var(--u)*82); }
.r-full svg { width: calc(var(--u)*48); height: calc(var(--u)*48); }
.pager { left: calc(var(--u)*290); top: calc(var(--u)*1330); width: calc(var(--u)*500); height: calc(var(--u)*100); }
.pager > * { position: absolute; }
.pg-prev, .pg-next { top: 0; width: calc(var(--u)*80); height: calc(var(--u)*100); color: var(--navy); display: flex; align-items: center; justify-content: center; }
.pg-prev svg, .pg-next svg { width: calc(var(--u)*40); height: calc(var(--u)*60); }
.pg-prev { left: calc(var(--u)*-8); }
.pg-next { right: calc(var(--u)*-8); }
.pg-prev:disabled, .pg-next:disabled, .sw-prev:disabled, .sw-next:disabled { opacity: .25; }
.counter {
  left: calc(var(--u)*78); width: calc(var(--u)*344); top: calc(var(--u)*8); height: calc(var(--u)*78);
  text-align: center; font-family: var(--f-num); font-weight: 700; font-size: calc(var(--u)*56); line-height: calc(var(--u)*70); color: var(--navy);
}
/* ページ数の下の線：めくっている途中は真ん中に向かって縮む */
.counter::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: calc(var(--u)*4);
  background: var(--navy); border-radius: 2px;
  transform: scaleX(1); transform-origin: 50% 50%;
  transition: transform .45s cubic-bezier(.3,.7,.3,1);
}
.counter.moving::after { transform: scaleX(.06); transition: transform .2s ease-out; }
.swipe-hint { margin: 0; left: 0; right: 0; top: calc(var(--u)*1462); text-align: center; color: var(--navy); font-size: calc(var(--u)*36); letter-spacing: .04em; }

/* ページのトラック（ふつう表示） */
.track {
  position: absolute;
  left: var(--sx); width: calc(var(--u) * 1080);
  top: calc(var(--sy) + var(--u) * 440); height: calc(var(--u) * 1080 * 729 / 1032);
  display: flex; overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x mandatory; scrollbar-width: none;
  -webkit-overflow-scrolling: touch; overscroll-behavior-x: contain;
  touch-action: pan-x;
}
.track::-webkit-scrollbar, .strip::-webkit-scrollbar { display: none; }
.slide { flex: 0 0 100%; height: 100%; scroll-snap-align: center; scroll-snap-stop: always; display: flex; align-items: center; justify-content: center; }

/* ページ（ぼかし＋？の演出つき） */
.pv { position: relative; width: 100%; height: 100%; overflow: hidden; background: #f4efe7; }
.pv img { width: 100%; height: 100%; object-fit: contain; display: block; transition: filter 1.9s ease, transform 1.9s ease; }
.pv .veil {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: rgba(255,250,242,.42); opacity: 0; transition: opacity 1.3s ease; pointer-events: none;
}
.pv .qmark {
  font-family: var(--f-num); font-weight: 800; color: #fff; line-height: 1;
  font-size: min(42vw, 38vh); text-shadow: 0 0 .12em rgba(60,40,20,.35);
  transition: transform 1.2s ease;
}
.pv .veil p {
  margin: .6em 0 0; padding: .45em 1.1em; border-radius: 999px; background: rgba(18,53,90,.82); color: #fff;
  text-align: center; line-height: 1.55; font-size: min(3.9vw, 3.6vh); letter-spacing: .04em;
}
.pv.veiled img { filter: blur(18px) saturate(.55) brightness(1.05); transform: scale(1.08); }
.pv.veiled .veil { opacity: 1; }
.pv.revealing .qmark { transform: scale(1.6); }
.pv.revealing::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(255,255,255,.85), rgba(255,255,255,0) 60%);
  animation: flash 1.6s ease-out forwards;
}
@keyframes flash { 0% { opacity: 0; transform: scale(.3); } 25% { opacity: 1; } 100% { opacity: 0; transform: scale(1.8); } }

/* サムネの列 */
.strip-wrap {
  position: absolute;
  left: var(--sx); width: calc(var(--u) * 1080);
  top: calc(var(--sy) + var(--u) * 1556); height: calc(var(--u) * 330);
}
.sw-prev, .sw-next { display: none; }
.strip {
  position: absolute; inset: 0;
  display: flex; align-items: flex-start; gap: calc(var(--u)*77);
  overflow-x: auto; overflow-y: hidden; scroll-snap-type: x mandatory; scrollbar-width: none;
  padding: calc(var(--u)*50) calc(50% - var(--u)*104) 0;
  -webkit-overflow-scrolling: touch; touch-action: pan-x;
}
.th { flex: 0 0 auto; width: calc(var(--u)*208); scroll-snap-align: center; display: flex; flex-direction: column; align-items: center; }
.thi {
  position: relative; width: 100%; aspect-ratio: 1032 / 729; overflow: hidden; background: #eee;
  transition: transform .2s ease; transform-origin: 50% 50%;
}
.thi img { width: 100%; height: 100%; display: block; object-fit: cover; transition: filter 1.6s ease; }
.thi .tq {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: var(--f-num); font-weight: 800; font-size: calc(var(--u)*80); color: #fff;
  text-shadow: 0 0 6px rgba(60,40,20,.35); background: rgba(255,250,242,.3);
  opacity: 0; transition: opacity 1.2s ease;
}
.th.veiled .thi img { filter: blur(6px) saturate(.5); }
.th.veiled .tq { opacity: 1; }
.th .tn { margin-top: calc(var(--u)*46); font-family: var(--f-num); font-size: calc(var(--u)*40); color: var(--navy); transition: transform .2s; }
.th.cur .thi { transform: scale(1.38); outline: calc(var(--u)*4) solid #fff; box-shadow: 0 0 0 calc(var(--u)*8) #222; }
.th.cur .tn { transform: scale(1.3); font-weight: 700; }

.r-shrink { display: none; }

/* ===== 全画面（横・没入） ===== */
#s-read.imm { --W: 100vw; --H: var(--vh); --y: calc(min(var(--H), var(--W)) / 1080); }
/* 縦持ちで全画面を押したとき：中身を90度回して横画面のように見せる */
#s-read.imm.rot { --W: var(--vh); --H: 100vw; inset: auto; top: 0; left: 100vw; width: var(--vh); height: 100vw; transform-origin: 0 0; transform: rotate(90deg); }
#s-read.rot .track, #s-read.rot .strip { overflow: hidden; scroll-snap-type: none !important; touch-action: none; }
#s-read.rot .stage { display: none; }
#s-read.imm .stage { display: none; }
#s-read.imm .track { left: 0; top: 0; width: var(--W); height: var(--H); }
#s-read.imm .slide .pv { width: min(var(--W), var(--H) * 1032 / 729); height: min(var(--H), var(--W) * 729 / 1032); }
#s-read.imm .pv .qmark { font-size: min(var(--W) * .3, var(--H) * .38); }
#s-read.imm .strip-wrap {
  left: 50%; transform: translateX(-50%) translateY(12px);
  width: min(calc(var(--W) * .94), calc(var(--y)*1380)); top: auto; bottom: calc(var(--y)*70); height: calc(var(--y)*262);
  border: 2.5px solid var(--navy); border-radius: calc(var(--y)*44);
  background: rgba(255,250,242,.86);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s;
}
#s-read.imm .strip { left: calc(var(--y)*90); right: calc(var(--y)*90); padding: calc(var(--y)*30) calc(50% - var(--y)*90) 0; gap: calc(var(--y)*45); }
#s-read.imm .th { width: calc(var(--y)*180); }
#s-read.imm .th .tn { margin-top: calc(var(--y)*30); font-size: calc(var(--y)*36); }
#s-read.imm .thi .tq { font-size: calc(var(--y)*70); }
#s-read.imm .th.cur .thi { outline-width: 2px; box-shadow: 0 0 0 4px #222; transform: scale(1.22); }
#s-read.imm .sw-prev, #s-read.imm .sw-next {
  display: flex; position: absolute; top: 0; bottom: 0; width: calc(var(--y)*90); align-items: center; justify-content: center; color: #222;
}
#s-read.imm .sw-prev { left: calc(var(--y)*10); }
#s-read.imm .sw-next { right: calc(var(--y)*10); }
#s-read.imm .sw-prev svg, #s-read.imm .sw-next svg { width: calc(var(--y)*40); height: calc(var(--y)*60); }
#s-read.imm .r-shrink {
  display: flex; position: absolute; left: 50%; transform: translateX(-50%) translateY(12px);
  bottom: calc(var(--y)*(70 + 262 - 22)); width: calc(var(--y)*250); height: calc(var(--y)*80);
  font-size: calc(var(--y)*36); border-width: 2.5px; z-index: 2;
  opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s;
}
#s-read.imm .r-shrink svg { width: calc(var(--y)*44); height: calc(var(--y)*44); }
#s-read.imm.ui .strip-wrap, #s-read.imm.ui .r-shrink { opacity: 1; pointer-events: auto; transform: translateX(-50%); }
#s-read.imm .pv .veil p { font-size: min(calc(var(--W) * .026), calc(var(--H) * .042)); }

/* ===== その他 ===== */
.rotate-note {
  position: fixed; inset: 0; z-index: 50; display: none; align-items: center; justify-content: center;
  background: var(--bg); color: var(--navy); font-size: 22px;
}
.rotate-note.show { display: flex; }
.toast {
  position: fixed; left: 50%; bottom: 12%; z-index: 60;
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  padding: 12px 22px; border-radius: 999px; background: rgba(18,53,90,.92); color: #fff;
  font-size: 17px; white-space: nowrap; transition: opacity .25s, transform .25s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.instant, .instant * { transition: none !important; }