/* ============================================================
   JPIF v1 — chapter detail page (vertical reading depth)
   Shares Brand System v06 tokens with the loop.
   ============================================================ */

:root{
  --red:#FF2B2B; --red-deep:#C8001C;
  --ink:#0A0A0C; --ink-2:#14141A;
  --paper:#F3F1EB; --concrete:#E4E2DC; --concrete-2:#CFCCC4;
  --stone:#6E6B64;
  --line:rgba(255,255,255,.10); --line-ink:rgba(0,0,0,.10);
  --display:'Unbounded',sans-serif;
  --headline:'Saira Condensed',sans-serif;
  --body:'Inter Tight',sans-serif;
  --mono:'JetBrains Mono',monospace;
  --tall:'Bebas Neue',sans-serif;
  --pad:clamp(20px,5vw,80px);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}
html,body{background:var(--ink)}
body{font-family:var(--body);color:var(--paper);font-size:16px;line-height:1.6}
a{color:inherit;text-decoration:none}
.mono{font-family:var(--mono);font-weight:500;letter-spacing:.16em;text-transform:uppercase}
.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--red)}
.red{color:var(--red)}

/* header */
.d-hd{position:fixed;top:0;left:0;right:0;z-index:20;height:60px;display:flex;align-items:center;
  justify-content:space-between;padding:0 var(--pad);
  background:rgba(10,10,12,.78);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
.d-back{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--paper);transition:gap .3s,color .3s}
.d-back:hover{color:var(--red);gap:14px}
.d-back .arr{transition:transform .3s}
.d-back:hover .arr{transform:translateX(-4px)}
.d-hd-r{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--stone)}
.d-logo{pointer-events:auto;display:inline-flex;align-items:center;height:34px}
.d-logo img{height:34px;width:auto;display:block}

/* progress bar */
#dProg{position:fixed;top:60px;left:0;height:2px;width:0;background:var(--red);z-index:21;transition:width .1s linear}

/* hero */
.d-hero{position:relative;min-height:84vh;display:flex;flex-direction:column;justify-content:flex-end;
  padding:120px var(--pad) clamp(48px,8vh,96px);overflow:hidden;border-bottom:1px solid var(--line)}
.d-hero .ghost{position:absolute;right:var(--pad);top:8%;font-family:var(--headline);font-weight:900;
  font-size:clamp(200px,40vw,560px);line-height:.7;color:var(--stone);opacity:.14;user-select:none;pointer-events:none}
.d-tag{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--stone);margin-bottom:24px;position:relative}
.d-title{font-family:var(--headline);font-weight:800;font-size:clamp(54px,9vw,140px);line-height:.85;
  letter-spacing:-.02em;text-transform:uppercase;position:relative;max-width:none}
.d-title .red{color:var(--red)}
.d-dek{margin-top:clamp(22px,3vh,34px);font-size:clamp(18px,2vw,26px);line-height:1.45;
  color:var(--concrete-2);max-width:60ch;position:relative}

/* body sections */
.d-body{max-width:1100px;margin:0 auto;padding:clamp(56px,9vh,120px) var(--pad)}
.d-sec{scroll-margin-top:74px;display:grid;grid-template-columns:minmax(0,0.62fr) minmax(0,2.2fr);gap:clamp(20px,5vw,72px);
  padding:clamp(40px,6vh,72px) 0;border-top:1px solid var(--line)}
.d-sec:first-child{border-top:0}
.d-sec-k{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--red)}
.d-sec-k span{display:block;color:var(--stone);margin-top:8px}
.d-h{font-family:var(--headline);font-weight:700;text-transform:uppercase;font-size:clamp(24px,3vw,37px);text-wrap:balance;
  line-height:1;letter-spacing:-.01em;margin-bottom:20px}
.d-p{font-size:clamp(16px,1.5vw,19px);color:var(--concrete-2);margin-bottom:18px;max-width:64ch}
.d-p:last-child{margin-bottom:0}
.d-p strong{color:var(--paper);font-weight:600}
.d-list{list-style:none;margin:18px 0 0;display:flex;flex-direction:column;gap:14px}
.d-list li{display:flex;gap:14px;font-size:clamp(15px,1.4vw,18px);color:var(--concrete-2)}
.d-list .n{font-family:var(--mono);font-size:12px;color:var(--red);flex:none;padding-top:4px;min-width:26px}
/* liner note (boxed) — one small size + consistent top space across every detail page */
.d-note{margin:22px 0 0;padding:16px 20px;background:var(--ink-2);border:1px solid var(--line);
  border-left:2px solid var(--red);font-size:13px;line-height:1.55;color:var(--concrete-2)}
.d-note .mono{display:block;color:var(--stone);font-size:10.5px;letter-spacing:.04em;margin-bottom:7px}

/* soon tag */
.d-soon{display:inline-flex;align-items:center;gap:10px;margin-top:16px;font-family:var(--mono);
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--stone);
  padding:8px 14px;border:1px dashed var(--line)}

/* signal — change log (before / after) */
.chg{margin-top:22px;border:1px solid var(--line);background:var(--ink-2)}
.chg-row{display:grid;grid-template-columns:74px minmax(0,1fr);gap:20px;padding:15px 22px;align-items:baseline}
.chg-row+.chg-row{border-top:1px solid var(--line)}
.chg-row.now{background:rgba(255,43,43,.05)}
.chg-k{font-family:var(--mono);font-size:10px;letter-spacing:.04em;text-transform:uppercase;color:var(--stone)}
.chg-row.now .chg-k{color:var(--red)}
.chg-v{font-size:clamp(15px,1.4vw,17px);line-height:1.5;color:var(--concrete-2)}
.chg-row.now .chg-v{color:var(--paper);font-weight:500}
/* liner note (inline) — matched to .d-note: same small size + same top space */
.chg-who{margin-top:22px;font-size:13px;line-height:1.55;color:var(--concrete-2)}
.chg-who .l{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin-right:10px;white-space:nowrap}
@media (max-width:760px){.chg-row{grid-template-columns:58px 1fr;gap:12px;padding:13px 15px}}

/* footer / next */
.d-foot{border-top:1px solid var(--line);padding:clamp(48px,8vh,96px) var(--pad);
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.d-next,.d-prev{font-family:var(--headline);font-weight:700;text-transform:uppercase;font-size:clamp(28px,5vw,60px);
  line-height:.9;letter-spacing:-.02em;display:inline-flex;align-items:center;gap:18px;transition:gap .3s,color .3s}
.d-next:hover,.d-prev:hover{color:var(--red);gap:26px}
.d-next .k{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--stone);display:block;margin-bottom:10px}
.d-prev .arr{transition:transform .3s}
.d-prev:hover .arr{transform:translateX(-4px)}
.d-home{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--stone);transition:color .3s}
.d-home:hover{color:var(--paper)}

@media (max-width:760px){
  .d-sec{grid-template-columns:1fr;gap:14px}
  .d-hd-r{display:none}
}

/* ---------- LEARN · track previews (45s capped player) ---------- */
.trk-list{margin:20px 0 12px;border-top:1px solid rgba(243,241,235,.14)}
.trk{display:flex;align-items:center;gap:14px;padding:13px 2px;border-bottom:1px solid rgba(243,241,235,.1)}
.trk-play{flex:0 0 auto;width:34px;height:34px;padding:0;border-radius:50%;border:1px solid var(--red,#FF2B2B);background:transparent;cursor:pointer;display:grid;place-items:center;transition:background .2s ease}
.trk-play:hover{background:rgba(255,43,43,.16)}
.trk-ico{display:block;width:0;height:0;border-style:solid;border-width:6px 0 6px 11px;border-color:transparent transparent transparent var(--red,#FF2B2B);margin-left:3px}
.trk.playing .trk-play{background:var(--red,#FF2B2B);border-color:var(--red,#FF2B2B)}
.trk.playing .trk-ico{width:11px;height:11px;border:0;margin:0;background:linear-gradient(90deg,#0A0A0C 0 34%,transparent 34% 66%,#0A0A0C 66% 100%)}
.trk-n{flex:0 0 auto;font-family:var(--mono,'JetBrains Mono',monospace);font-size:11px;color:var(--red,#FF2B2B);letter-spacing:.08em}
.trk-meta{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:2px}
.trk-title{font-family:var(--body,'Inter Tight',sans-serif);font-weight:600;font-size:15px;line-height:1.1;color:var(--paper,#F3F1EB)}
.trk-hook{font-family:var(--mono,'JetBrains Mono',monospace);font-size:10.5px;letter-spacing:.03em;color:rgba(243,241,235,.5)}
.trk-bar{flex:0 0 96px;height:2px;background:rgba(243,241,235,.16);position:relative;border-radius:2px;overflow:hidden}
.trk-fill{position:absolute;left:0;top:0;height:100%;width:0;background:var(--red,#FF2B2B);transition:width .08s linear}
.trk-time{flex:0 0 auto;font-family:var(--mono,'JetBrains Mono',monospace);font-size:11px;color:rgba(243,241,235,.45);min-width:30px;text-align:right}
.trk-note{margin-top:14px;font-family:var(--mono,'JetBrains Mono',monospace);font-size:11px;letter-spacing:.03em;color:rgba(243,241,235,.5);display:flex;align-items:flex-start;gap:8px}
.trk-note .dot{margin-top:5px}
@media (max-width:560px){.trk-bar,.trk-time{display:none}}

/* ---------- LEARN · sample lyric video + platform links ---------- */
.d-video{margin:20px 0 12px;border-radius:6px;overflow:hidden;background:#000;box-shadow:0 26px 70px rgba(0,0,0,.5);line-height:0}
.d-video video{display:block;width:100%;height:auto;aspect-ratio:16/9}
.d-cap{display:inline-flex;align-items:flex-start;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.03em;color:rgba(243,241,235,.5)}
.d-cap .dot{margin-top:4px}
.d-platforms{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.d-plat{display:inline-flex;align-items:center;gap:11px;padding:12px 20px 12px 15px;border:1px solid rgba(243,241,235,.18);border-radius:11px;text-decoration:none;color:var(--paper);font-family:var(--body);font-weight:600;font-size:14px;transition:border-color .2s,background .2s}
.d-plat:hover{border-color:var(--red);background:rgba(255,43,43,.08)}
.d-plat img{height:20px;width:auto;display:block}

/* LEARN · LISTEN ON — YouTube as the suggested format */
.d-plat--hero{width:100%;gap:14px;margin:18px 0 14px;padding:17px 22px;border-color:var(--red);background:rgba(255,43,43,.1)}
.d-plat--hero:hover{background:rgba(255,43,43,.18);border-color:var(--red)}
.d-plat--hero img{height:26px}
.d-plat-txt{display:flex;flex-direction:column;gap:3px;flex:1 1 auto}
.d-plat-txt strong{font-size:16px;color:var(--paper)}
.d-plat-txt small{font-family:var(--mono);font-weight:500;font-size:11px;letter-spacing:.02em;color:rgba(243,241,235,.62)}
.d-plat-arr{font-family:var(--headline);color:var(--red);font-size:22px;line-height:1}

/* ENROLL · THE SCHOOLS — SNG suggested partner + secondary schools */
.sng-card{border:1px solid var(--red);background:rgba(255,43,43,.08);border-radius:14px;padding:22px 24px;margin:18px 0 16px}
.sng-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px}
.sng-logo{height:30px;width:auto;max-width:130px;object-fit:contain}
.sng-tag{font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:#fff;background:var(--red);padding:5px 10px;border-radius:6px;white-space:nowrap}
.sng-name{font-family:var(--headline);font-weight:800;text-transform:uppercase;font-size:23px;letter-spacing:.01em;color:var(--paper);margin:0 0 9px;line-height:1.05}
.sng-desc{font-family:var(--body);font-size:14.5px;line-height:1.5;color:rgba(243,241,235,.82);margin:0 0 15px}
.sng-facts{list-style:none;margin:0 0 17px;padding:0;display:grid;gap:8px}
.sng-facts li{font-family:var(--mono);font-size:11.5px;letter-spacing:.02em;color:rgba(243,241,235,.66);padding-left:16px;position:relative}
.sng-facts li::before{content:"";position:absolute;left:0;top:5px;width:5px;height:5px;border-radius:50%;background:var(--red)}
.sng-cta{display:inline-flex;align-items:center;gap:8px;font-family:var(--headline);font-weight:700;text-transform:uppercase;font-size:14px;letter-spacing:.04em;color:var(--red);text-decoration:none;transition:gap .2s}
.sng-cta:hover{gap:13px}
.school-list{display:grid;gap:10px;margin-top:14px}
.school-row{display:flex;align-items:center;gap:14px;padding:14px 18px;border:1px solid rgba(243,241,235,.16);border-radius:11px;text-decoration:none;color:var(--paper);transition:border-color .2s,background .2s}
.school-row:hover{border-color:rgba(243,241,235,.4);background:rgba(243,241,235,.03)}
.school-row>img{height:22px;width:auto;max-width:88px;object-fit:contain;flex:0 0 auto;opacity:.96}
.school-row>img.inv,.sng-logo.inv{filter:brightness(0) invert(1);opacity:.85}
.school-txt{display:flex;flex-direction:column;gap:2px;flex:1 1 auto;font-family:var(--body)}
.school-txt strong{font-size:14.5px;color:var(--paper)}
.school-txt small{font-size:12px;color:rgba(243,241,235,.6)}
.school-row .arr{color:var(--red);font-family:var(--headline);flex:0 0 auto}

/* ---------- inline prose links: red + underline ---------- */
.d-p a,.d-list a,.chg-v a,.chg-who a,.d-note a,.sng-desc a{color:var(--red);text-decoration:underline;text-decoration-color:rgba(255,43,43,.45);text-decoration-thickness:1px;text-underline-offset:3px;transition:text-decoration-color .2s}
.d-p a:hover,.d-list a:hover,.chg-v a:hover,.chg-who a:hover,.d-note a:hover,.sng-desc a:hover{text-decoration-color:var(--red)}

.school-row>img[src*="facebook"]{height:31px}
.school-row>img[src*="japanvisasupport"]{height:38px;max-width:60px}
.school-row>img[src*="weave"]{height:31px}
.sng-logo[src*="robertwalters"]{height:50px;max-width:98px}
.sng-logo[src*="samurai"]{height:42px;max-width:155px}
.sng-logo[src*="linemo"]{height:24px}
.sng-logo[src*="shinseisbi"]{height:36px}

.chg-natz .chg-row{grid-template-columns:122px minmax(0,1fr)}
.chg-natz .chg-k{font-size:9px;white-space:nowrap;letter-spacing:.02em}

.chg-src{margin-top:11px;font-family:var(--mono);font-size:11px;letter-spacing:.01em;line-height:1.65;color:var(--stone)}
.chg-src .l{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin-right:12px;white-space:nowrap}
.chg-src a{color:var(--concrete-2);text-decoration:underline;text-decoration-color:rgba(255,255,255,.22);text-underline-offset:3px;text-decoration-thickness:1px;transition:text-decoration-color .2s,color .2s}
.chg-src a:hover{color:var(--paper);text-decoration-color:var(--red)}

/* ---------- custom cursor: big difference disc + trailing red brand ring (desktop only) ---------- */
@media (hover:hover) and (pointer:fine){
  html.has-cur, html.has-cur *{cursor:none!important}
  #cur,#curR,#curD{position:fixed;left:0;top:0;border-radius:50%;pointer-events:none;will-change:transform;transform:translate3d(-300px,-300px,0);contain:layout style size}
  #cur{width:36px;height:36px;background:#fff;mix-blend-mode:difference;z-index:999998}
  #curR{width:50px;height:50px;border:1.5px solid var(--red);z-index:999997}#curD{width:4px;height:4px;background:var(--red);z-index:999999}
}
@media (hover:none),(pointer:coarse){ #cur,#curR,#curD{display:none} }