.jt {
  --jt-paper: #E7DEC6;
  --jt-paper-2: #D9CDAE;
  --jt-ink: #25221C;
  --jt-ink-sub: #5A5244;
  --jt-red: #8A2A10;
  --jt-cloth: #22352D;
  --jt-gold: #C9A55A;
  --jt-oil: rgba(20, 14, 6, .16);
}

.jt-room { position: fixed; inset: 0; z-index: -3; width: 100%; height: 100%; display: block; pointer-events: none; background: #101113; }
.jt-room-shade {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    var(--svc-grain) 0 0 / 200px 200px,
    radial-gradient(ellipse 70% 60% at 50% 40%, transparent 30%, rgba(6, 6, 8, .72));
}

.jt-front {
  max-width: calc(1040px + var(--k-gutter) * 2); margin: 0 auto;
  padding: var(--k-sp-5) var(--k-gutter) var(--k-sp-4);
  display: grid; gap: var(--k-sp-4); grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 700px) and (max-width: 1179px) {
  .jt-front { grid-template-columns: minmax(0, 1fr) 190px; align-items: end; }
}
@media (max-width: 699px) {
  .jt-front { grid-template-columns: minmax(0, 1fr) clamp(56px, 18vw, 126px); gap: var(--k-sp-2); align-items: end; }
}
@media (max-width: 480px) {
  .jt-front { grid-template-columns: minmax(0, 1fr); }
  .jt-stacks { display: none; }
}

.jt-cover {
  position: relative; isolation: isolate;
  padding: var(--k-sp-5) var(--k-sp-4) var(--k-sp-4) calc(var(--k-sp-4) + 22px);
  color: #EDE4CC;
  background:
    radial-gradient(ellipse 22% 18% at 100% 0%, rgba(210, 200, 170, .16), transparent 70%),
    radial-gradient(ellipse 18% 14% at 100% 100%, rgba(210, 200, 170, .14), transparent 70%),
    radial-gradient(ellipse 30% 22% at 78% 92%, rgba(8, 6, 3, .5), transparent 72%),
    var(--svc-grain) 0 0 / 200px,
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .025) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg, rgba(0, 0, 0, .09) 0 1px, transparent 1px 3px),
    linear-gradient(160deg, #2c443a, var(--jt-cloth) 55%, #18261f);
  border-radius: 3px 8px 8px 3px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08), 0 22px 40px -14px rgba(0, 0, 0, .9);
}
.jt-cover::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 22px; z-index: -1;
  border-radius: 3px 0 0 3px;
  background:
    linear-gradient(180deg, transparent 12%, rgba(0, 0, 0, .45) 12% 13.5%, rgba(255, 255, 255, .08) 13.5% 14.5%, transparent 14.5% 85.5%, rgba(0, 0, 0, .45) 85.5% 87%, rgba(255, 255, 255, .08) 87% 88%, transparent 88%),
    linear-gradient(90deg, #0f1a15, #243a31 60%, #0c1511);
}
.jt-cover::after {
  content: ""; position: absolute; inset: 14px 14px 14px 36px; z-index: -1; pointer-events: none;
  border: 1px solid rgba(201, 165, 90, .32); outline: 1px solid rgba(0, 0, 0, .35); outline-offset: 4px;
  border-radius: 2px;
}
.jt-series {
  font-family: var(--k-font-en); font-weight: 800; font-size: var(--k-fs-sm); letter-spacing: .22em; color: var(--jt-gold);
}
.jt-title {
  margin-top: var(--k-sp-1);
  font-family: var(--k-font-head); font-weight: 900; font-size: var(--k-fs-hero); line-height: 1.2; letter-spacing: var(--k-head-ls);
  background: var(--svc-grain) 0 0 / 160px, linear-gradient(180deg, #f1d894, var(--jt-gold) 55%, #8f6a26);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 2px 0 rgba(0, 0, 0, .55));
}
.jt-tagline { margin-top: var(--k-sp-2); font-weight: 700; font-size: var(--k-fs-lead); color: #EDE4CC; }
.jt-label {
  margin: var(--k-sp-4) 0 0; width: min(240px, 100%); padding: var(--k-sp-1);
  background: linear-gradient(180deg, #f3ecd8, #e2d7b9);
  border: 1px solid #8d8269; border-radius: var(--k-rs);
  box-shadow: 0 2px 0 rgba(0, 0, 0, .35), 0 8px 14px -6px rgba(0, 0, 0, .7);
  rotate: -1.5deg;
}
.jt-label img { width: 100%; height: auto; }
.jt-colophon {
  display: flex; flex-wrap: wrap; gap: var(--k-sp-1) var(--k-sp-3); margin-top: var(--k-sp-4);
  padding-top: var(--k-sp-2); border-top: 1px solid rgba(201, 165, 90, .3);
}
.jt-colophon li { display: grid; gap: 0; line-height: 1.5; }
.jt-colophon span { font-family: "Chakra Petch", "Zen Kaku Gothic New", var(--k-gothic); font-weight: 500; font-size: var(--k-fs-2xs); letter-spacing: .14em; color: #B9B196; }
.jt-colophon b { font-family: var(--k-font-en); font-weight: 800; font-size: var(--k-fs-sm); letter-spacing: .14em; color: var(--jt-gold); }

.jt-stacks { height: 100%; min-width: 0; }
@media (min-width: 700px) and (max-width: 1179px) { .jt-stacks { height: 620px; } }
.jt-stacks-svg { display: block; width: 100%; height: 100%; overflow: visible; }
.jt-spine { font-family: var(--k-font-body); font-weight: 700; font-size: 8px; letter-spacing: .06em; fill: #E4CF97; }
.jt-shelf-tag { font-family: var(--k-font-body); font-weight: 700; font-size: 5.2px; letter-spacing: .04em; fill: #2a1d08; text-anchor: middle; }
.jt-pile { font-family: var(--k-font-body); font-weight: 700; font-size: 5.6px; fill: #9a8d6c; }
.jt-bot-id { font-family: var(--k-font-en); font-weight: 800; font-size: 4.2px; letter-spacing: .04em; fill: #d8c890; text-anchor: middle; }
.jt-led { fill: #ff3b2f; }

.jt-bot { transition: transform .7s var(--ease-in-out); }
.jt-arm { transform: rotate(78deg); transition: transform .28s var(--ease-out); }
.jt-arm.is-reach { transform: rotate(-6deg); }
.jt-vol { transition: transform .3s var(--ease-out); }
.jt-vol.is-out { transform: rotate(-11deg); }
.jt-stacks.is-still .jt-bot, .jt-stacks.is-still .jt-arm, .jt-stacks.is-still .jt-vol { transition: none; }
.jt-bot.is-climb .jt-leg-a { animation: jt-step .5s steps(1, end) infinite; }
.jt-bot.is-climb .jt-leg-b { animation: jt-step .5s steps(1, end) infinite; animation-delay: -.25s; }
@keyframes jt-step { 0% { transform: translateY(-6px); } 50% { transform: none; } }
.jt-bulb, .jt-cone { animation: jt-flicker 7.1s steps(1, end) infinite; }
@keyframes jt-flicker { 0%, 90%, 100% { opacity: 1; } 91% { opacity: .25; } 92% { opacity: 1; } 93.5% { opacity: .4; } 94.5% { opacity: 1; } }
.jt-led { animation: jt-led 1.6s steps(1, end) infinite; }
@keyframes jt-led { 50% { opacity: .15; } }

.jt-tsume { max-width: calc(1040px + var(--k-gutter) * 2); margin: 0 auto; padding: 0 var(--k-gutter); }
.jt-tsume ol { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 4px; }
.jt-tsume li:nth-child(1) { --c: #3f6b57; }
.jt-tsume li:nth-child(2) { --c: #8a2a10; }
.jt-tsume li:nth-child(3) { --c: #2f4f78; }
.jt-tsume li:nth-child(4) { --c: #8a6a2a; }
.jt-tsume li:nth-child(5) { --c: #5b4a6e; }
.jt-tsume a {
  display: grid; place-items: center; min-height: 44px; padding: 0 2px;
  font-weight: 700; font-size: var(--k-fs-sm); letter-spacing: .08em; text-decoration: none; white-space: nowrap;
  color: var(--jt-ink); background: var(--jt-paper-2);
  border-top: 5px solid var(--c); border-radius: 6px 6px 0 0;
  box-shadow: inset 0 -6px 8px -6px rgba(60, 40, 10, .4);
  touch-action: manipulation; cursor: pointer;
}
.jt-tsume a[aria-current] { background: var(--jt-paper); }
@media (min-width: 900px) {
  .jt-tsume { position: fixed; right: 0; top: 132px; z-index: 20; max-width: none; margin: 0; padding: 0 0 12px 14px; overflow: clip; }
  .jt-tsume ol { grid-template-columns: 44px; gap: 6px; }
  .jt-tsume a {
    writing-mode: vertical-rl; min-height: 76px; padding: var(--k-sp-2) 0;
    border-top: 0; border-left: 5px solid var(--c); border-radius: 6px 0 0 6px;
    box-shadow: inset 6px 0 8px -6px rgba(60, 40, 10, .4), -4px 4px 10px rgba(0, 0, 0, .45);
    transform: translateX(10px);
    transition: transform .2s var(--ease-out), background-color .2s ease;
  }
  .jt-tsume a[aria-current] { transform: none; }
}
@media (min-width: 900px) and (hover: hover) and (pointer: fine) {
  .jt-tsume a:hover { transform: translateX(4px); }
  .jt-tsume a[aria-current]:hover { transform: none; }
}

.jt-book {
  position: relative;
  max-width: calc(1040px + var(--k-gutter) * 2); margin: 0 auto;
  padding: var(--k-sp-4) var(--k-gutter) var(--k-sp-5);
  display: grid; gap: var(--k-sp-6); grid-template-columns: minmax(0, 1fr);
  overflow-x: clip;
}
.jt-spread {
  position: relative; isolation: isolate;
  display: grid; grid-template-columns: minmax(0, 1fr);
}
.jt-spread::before {
  content: ""; position: absolute; inset: -8px -8px -12px; z-index: -2;
  background: var(--svc-grain) 0 0 / 200px, linear-gradient(160deg, #2c443a, var(--jt-cloth) 60%, #16231d);
  border-radius: 6px;
  box-shadow: 0 26px 46px -18px rgba(0, 0, 0, .95);
}
.jt-spread::after {
  content: ""; position: absolute; inset: -18% -12% auto; height: 70%; z-index: -3; pointer-events: none;
  background: radial-gradient(ellipse 50% 60% at 50% 30%, rgba(255, 196, 110, .16), transparent 72%);
}
.jt-page {
  position: relative; min-width: 0;
  padding: var(--k-sp-4) var(--k-sp-4) var(--k-sp-5);
  color: var(--jt-ink);
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(255, 244, 214, .5), transparent 70%),
    var(--jt-paper);
  box-shadow: 0 2px 0 #cbbf9f, 0 4px 0 #b9ac8b, 0 6px 0 #a4977a;
}
.jt-page-l { border-radius: 4px 4px 0 0; }
.jt-page-r { border-radius: 0 0 4px 4px; }
.jt-page-l { background-image: linear-gradient(0deg, rgba(90, 64, 24, .2), transparent 14px), radial-gradient(ellipse 60% 40% at 50% 0%, rgba(255, 244, 214, .5), transparent 70%); }
.jt-page-r { background-image: linear-gradient(180deg, rgba(90, 64, 24, .2), transparent 14px), radial-gradient(ellipse 30% 22% at 92% 94%, var(--jt-oil), transparent 72%); }
@media (min-width: 900px) {
  .jt-spread { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .jt-page { padding: var(--k-sp-5) var(--k-sp-4) var(--k-sp-5); }
  .jt-page-l {
    border-radius: 4px 0 0 4px;
    background-image: linear-gradient(270deg, rgba(90, 64, 24, .28), rgba(90, 64, 24, .06) 26px, transparent 60px), radial-gradient(ellipse 60% 40% at 50% 0%, rgba(255, 244, 214, .5), transparent 70%);
  }
  .jt-page-r {
    border-radius: 0 4px 4px 0;
    background-image: linear-gradient(90deg, rgba(90, 64, 24, .28), rgba(90, 64, 24, .06) 26px, transparent 60px), radial-gradient(ellipse 30% 22% at 92% 94%, var(--jt-oil), transparent 72%);
  }
}

.jt-flip { display: grid; gap: var(--k-sp-6); grid-template-columns: minmax(0, 1fr); }
.jt-flip.is-book { position: relative; gap: 0; }
.jt-flip.is-book > .jt-spread:not(.is-cur) { display: none; }
.jt-flip [tabindex="-1"]:focus { outline: none; }
.jt-flip.is-book .jt-page-r { padding-bottom: calc(var(--k-sp-5) + 64px); }
@media (min-width: 900px) { .jt-flip.is-book .jt-page-l { padding-bottom: calc(var(--k-sp-5) + 64px); } }
.jt-flip.is-book .jt-page-r::after {
  content: ""; position: absolute; right: 0; bottom: 0; width: 38px; height: 38px; pointer-events: none;
  border-radius: 0 0 4px 0;
  background: linear-gradient(315deg, #16231d 0 50%, #cbbd97 50% 100%);
  box-shadow: -3px -3px 6px rgba(60, 40, 10, .22);
}

.jt-turns {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 4; pointer-events: none;
  display: flex; justify-content: space-between; align-items: flex-end; gap: var(--k-sp-2);
  padding: 0 calc(var(--k-sp-3) + 30px) var(--k-sp-3) var(--k-sp-3);
}
.jt-turn {
  pointer-events: auto; display: inline-grid; gap: 0; justify-items: start; min-height: 48px; padding: 5px 14px 6px;
  font: inherit; color: var(--jt-ink); text-decoration: none; text-align: left;
  background: rgba(201, 187, 150, .5); border: 1px solid rgba(90, 64, 24, .4); border-radius: 4px;
  cursor: pointer; touch-action: manipulation;
}
.jt-turn-next { justify-items: end; text-align: right; margin-left: auto; }
.jt-turn-k { font-weight: 700; font-size: var(--k-fs-xs); letter-spacing: .14em; color: var(--jt-red); }
.jt-turn b { font-weight: 900; font-size: var(--k-fs-h4); line-height: 1.35; white-space: nowrap; }
.jt-turn:focus-visible { outline: 3px solid var(--jt-red); outline-offset: 2px; }
@media (hover: hover) and (pointer: fine) {
  .jt-turn { transition: background-color .16s ease; }
  .jt-turn:hover { background: rgba(255, 250, 230, .75); }
}

.jt-over, .jt-leaf { position: absolute; top: 0; pointer-events: none; }
.jt-over { z-index: 5; }
.jt-leaf { z-index: 6; transform-origin: 0 50%; transform-style: preserve-3d; }
.jt-leaf-f, .jt-leaf-b { position: absolute; inset: 0; -webkit-backface-visibility: hidden; backface-visibility: hidden; }
.jt-leaf-b { transform: rotateY(180deg); }
.jt-over > *, .jt-leaf-f > .jt-page, .jt-leaf-b > .jt-page, .jt-leaf-f > .jt-spread, .jt-leaf-b > .jt-spread { height: 100%; }
.jt-leaf-sh {
  position: absolute; inset: 0; z-index: 7; pointer-events: none; opacity: 0;
  background: linear-gradient(90deg, rgba(40, 26, 8, .32), rgba(40, 26, 8, .06) 60%, rgba(40, 26, 8, 0));
}

.jt-kicker { font-family: var(--k-font-en); font-weight: 800; font-size: var(--k-fs-sm); letter-spacing: .22em; color: var(--jt-red); }
.jt-h2 { margin-top: 2px; font-family: var(--k-font-head); font-weight: 900; font-size: var(--k-fs-h2); line-height: 1.35; letter-spacing: var(--k-head-ls); color: var(--jt-ink); }
.jt-lead { margin-top: var(--k-sp-3); font-weight: 700; font-size: var(--k-fs-lead); line-height: 1.8; }
.jt-aside { margin-top: var(--k-sp-2); font-size: var(--k-fs-sm); color: var(--jt-ink-sub); }
.jt-aside b, .jt-motto b {
  font-weight: 700; color: var(--jt-ink);
  background: linear-gradient(transparent 62%, rgba(233, 177, 12, .42) 62% 92%, transparent 92%);
}
.jt-page-r > p + p { margin-top: var(--k-sp-2); }
.jt-page-r > p { font-size: var(--k-fs-body); line-height: 1.95; }
.jt code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Zen Kaku Gothic New", monospace; font-size: .9em; letter-spacing: 0;
  padding: 0 .3em; border-radius: 2px; background: rgba(37, 34, 28, .09); color: #3b1c0c;
  overflow-wrap: break-word;
}

.jt-feats { display: grid; gap: var(--k-sp-2); margin-top: var(--k-sp-3); }
.jt-feats li { position: relative; padding-left: 22px; font-weight: 700; line-height: 1.7; }
.jt-feats li::before {
  content: ""; position: absolute; left: 2px; top: .3em; width: 9px; height: 16px;
  background: var(--jt-red); clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 72%, 0 100%);
}

.jt-h3 { display: grid; font-weight: 900; font-size: var(--k-fs-h3); line-height: 1.4; }
.jt-h3 span { font-weight: 400; font-size: var(--k-fs-sm); color: var(--jt-ink-sub); }
.jt-index { display: grid; gap: var(--k-sp-3) var(--k-sp-4); margin-top: var(--k-sp-3); grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr)); }
.jt-index h4 { font-weight: 700; font-size: var(--k-fs-sm); color: var(--jt-red); border-bottom: 1px solid rgba(138, 42, 16, .4); padding-bottom: 2px; }
.jt-index h4 span { font-weight: 400; }
.jt-index li { font-size: var(--k-fs-sm); line-height: 1.6; padding: 3px 0; border-bottom: 1px dotted rgba(37, 34, 28, .28); }
.jt-page-r > p.jt-source { margin-top: var(--k-sp-3); font-size: var(--k-fs-xs); color: var(--jt-ink-sub); }

.jt-plate { margin: var(--k-sp-3) 0 0; }
.jt-page-r .jt-plate:first-child { margin-top: 0; }
.jt-plate .shot { border-color: #3a3326; box-shadow: 0 3px 0 rgba(60, 40, 10, .25), 0 10px 18px -8px rgba(0, 0, 0, .55); }
.jt-plate figcaption { display: flex; flex-wrap: wrap; gap: 0 var(--k-sp-2); margin-top: var(--k-sp-1); font-size: var(--k-fs-sm); color: var(--jt-ink-sub); }
.jt-plate figcaption b { font-weight: 700; color: var(--jt-red); }

.jt-motto { margin-top: var(--k-sp-4); font-weight: 700; font-size: var(--k-fs-h3); line-height: 1.6; }
.jt-log { position: relative; display: grid; }
.jt-log::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: rgba(138, 42, 16, .45); }
.jt-log li { display: grid; gap: 0; padding: var(--k-sp-2) 0 var(--k-sp-2) var(--k-sp-3); border-bottom: 1px solid rgba(37, 34, 28, .16); }
.jt-log li:first-child { padding-top: 0; }
.jt-day { font-family: var(--k-font-en); font-weight: 800; font-size: var(--k-fs-xs); letter-spacing: .2em; color: var(--jt-red); }
.jt-log b { font-weight: 900; font-size: var(--k-fs-h4); }
.jt-log li > span:last-child { font-size: var(--k-fs-sm); color: var(--jt-ink-sub); }

.jt .svc-cta { margin-top: 2px; color: var(--jt-ink); }
.jt .svc-cta h2 { color: var(--jt-ink); }
.jt .svc-cta p { font-size: var(--k-fs-body); }

.jt-card {
  position: relative; padding: var(--k-sp-3);
  color: #2a2418;
  background:
    repeating-linear-gradient(180deg, transparent 0 31px, rgba(80, 60, 20, .18) 31px 32px),
    linear-gradient(180deg, #e1cf9e, #d3be86);
  border: 1px solid #9c8656; border-radius: var(--k-rs);
  box-shadow: 0 10px 18px -8px rgba(0, 0, 0, .55);
  rotate: -1deg;
}
.jt-card-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 0 var(--k-sp-2); padding-bottom: var(--k-sp-1); border-bottom: 2px solid #6d5a2c; }
.jt-card-head b { font-weight: 900; font-size: var(--k-fs-h3); letter-spacing: .2em; }
.jt-card-head span { font-family: var(--k-font-en); font-weight: 800; font-size: var(--k-fs-xs); letter-spacing: .16em; color: #6d5a2c; }
.jt-card-row {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 0 var(--k-sp-2);
  min-height: 56px; padding: var(--k-sp-1) var(--k-sp-1);
  text-decoration: none; border-bottom: 1px solid rgba(80, 60, 20, .35);
  cursor: pointer; touch-action: manipulation;
}
.jt-card-dir { grid-column: 1; font-family: var(--k-font-en); font-weight: 800; font-size: var(--k-fs-xs); letter-spacing: .18em; color: var(--jt-red); }
.jt-card-name { grid-column: 1; font-weight: 900; font-size: var(--k-fs-h4); line-height: 1.4; }
.jt-card-go { grid-column: 2; grid-row: 1 / 3; font-weight: 700; color: var(--jt-red); }
.jt-card-note { margin-top: var(--k-sp-2); font-size: var(--k-fs-xs); color: #5c4e2e; }
@media (hover: hover) and (pointer: fine) {
  .jt-card-row { transition: background-color .16s ease; }
  .jt-card-row:hover { background-color: rgba(255, 250, 230, .45); }
}

@media (min-width: 1180px) {
  .jt-main { padding-left: 224px; padding-right: 56px; }
  .jt-front { max-width: calc(760px + var(--k-gutter) * 2); }
  .jt-stacks {
    position: fixed; left: 0; top: 62px; bottom: 0; z-index: 1;
    width: 220px; height: auto;
  }
  .jt .site-foot { z-index: 2; }
}
@media (min-width: 900px) and (max-width: 1179px) {
  .jt-main { padding-right: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  .jt-bot, .jt-arm, .jt-vol, .jt-tsume a, .jt-turn { transition: none; }
  .jt-bot.is-climb .jt-leg-a, .jt-bot.is-climb .jt-leg-b, .jt-bulb, .jt-cone, .jt-led { animation: none; }
}