/* ============================================================
   雪那 The Setsuna — staysetsuna.com
   Tokens lifted verbatim from The Setsuna Brand Book.
   Do not re-derive the palette.
   ============================================================ */

:root{
  --sumi:#141613;  --stone:#262924;  --line:#383d37;
  --walnut:#3A2A1D; --walnut-2:#5a4430;
  --jade-deep:#0F3A2E; --jade:#2F6C55; --jade-hi:#63A181;
  --creme:#E9E0C8; --creme-2:#b3a98f; --snow:#FFFFFF;

  --display:"Big Caslon","Baskerville Old Face",Baskerville,"Hoefler Text","Times New Roman","Hiragino Mincho ProN","Yu Mincho",serif;
  --body:"Iowan Old Style",Palatino,"Palatino Linotype","Book Antiqua",Georgia,"Hiragino Mincho ProN","Yu Mincho","Noto Serif JP",serif;
  --mincho:"Hiragino Mincho ProN","Hiragino Mincho Pro","Yu Mincho",YuMincho,"Noto Serif JP","Noto Serif CJK JP",serif;
  --sans:Optima,Candara,"Gill Sans","Gill Sans MT","Segoe UI",sans-serif;

  --gutter:clamp(1.5rem,6vw,7rem);
  --measure:34rem;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--sumi);
  color:var(--creme);
  font-family:var(--body);
  font-size:clamp(1rem,.55vw + .88rem,1.125rem);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

/* The book defines a real focus treatment; jade carries meaning, and a focus
   ring is meaning. This is the one place jade is allowed to appear anywhere. */
:focus-visible{outline:2px solid var(--jade-hi); outline-offset:3px}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.skip{
  position:absolute;left:-9999px;top:0;z-index:50;
  background:var(--stone);color:var(--creme);padding:.75rem 1.25rem;
  font-family:var(--sans);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;
}
.skip:focus{left:0}

/* ── shared type ───────────────────────────────────────────── */
.label{
  font-family:var(--sans);
  font-size:.6875rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--creme-2);
  margin:0;
}
.label--dim{color:#8b8471}

.section-h{
  font-family:var(--display);
  font-weight:400;
  font-size:clamp(1.5rem,2.4vw,2.1rem);
  line-height:1.2;
  margin:0 0 clamp(2.5rem,5vw,4rem);
  color:var(--creme);
}

/* ── 1 · hero ──────────────────────────────────────────────
   One frame. The mark, one line, and where it is. Nothing else.
   ─────────────────────────────────────────────────────────── */
.hero{
  min-height:100svh;
  padding:var(--gutter);
  display:grid;
  grid-template-rows:1fr auto auto;
  align-items:center;
  justify-items:center;
  text-align:center;
  gap:clamp(2rem,6vh,4rem);
}
.hero__mark{align-self:end}

/* Furigana at the shoulder — the book's primary lockup. */
.furigana{
  font-family:var(--mincho);
  font-size:clamp(.7rem,1.5vw,.9rem);
  letter-spacing:.5em;
  text-indent:.5em;              /* letter-spacing adds a trailing gap; recentre */
  color:var(--creme-2);
  margin:0 0 .5em;
  opacity:.8;
}
.mark{
  font-family:var(--mincho);
  font-weight:400;
  font-size:clamp(4.5rem,17vw,10rem);
  line-height:1;
  letter-spacing:.12em;
  text-indent:.12em;
  margin:0;
  color:var(--creme);
}
.romaji{
  font-family:var(--sans);
  font-size:.75rem;
  letter-spacing:.42em;
  text-indent:.42em;
  text-transform:uppercase;
  color:var(--creme-2);
  margin:1.4em 0 0;
}
.hero__line{
  font-family:var(--display);
  font-size:clamp(1.15rem,2.6vw,1.9rem);
  line-height:1.4;
  max-width:22ch;
  margin:0;
  color:var(--creme);
}
.hero__foot{
  align-self:end;
  display:grid;
  gap:.9rem;
  justify-items:center;
}

/* ── 2 · the reveal ────────────────────────────────────────
   The road opens. Text arrives after the frame has had its second.
   ─────────────────────────────────────────────────────────── */
.reveal{
  min-height:78svh;
  display:grid;
  align-content:center;
  padding:clamp(5rem,14vh,10rem) var(--gutter);
  max-width:calc(var(--measure) + var(--gutter) * 2);
}
.reveal__line{
  font-family:var(--display);
  font-size:clamp(1.5rem,4vw,2.6rem);
  line-height:1.32;
  margin:0 0 1.4em;
  color:var(--creme);
}
.reveal__body{
  margin:0;
  color:var(--creme-2);
  max-width:var(--measure);
}

/* ── 3 · the map ───────────────────────────────────────────
   A photograph of a place. Full bleed, one frame.
   ─────────────────────────────────────────────────────────── */
.atlas{padding:clamp(2rem,6vh,5rem) 0}
.plate{
  margin:0;
  display:flex;
  flex-direction:column;   /* the caption stacks under the plate, not beside it */
  align-items:center;
}
/* The frame shrink-wraps the image so the markers, positioned in percentages,
   can never drift off the geography. Capping the height keeps the whole plate
   inside one screen — the book asks for one frame per screen, and a map you
   have to scroll to finish is two. */
.plate__frame{
  position:relative;
  max-height:100svh;
  line-height:0;
}
.plate__frame img{
  display:block;
  width:auto;
  height:auto;
  max-width:100%;
  max-height:100svh;
}

.marks{position:absolute;inset:0;pointer-events:none}

.mk{
  position:absolute;
  left:var(--x);
  top:var(--y);
  display:flex;
  align-items:center;
  gap:.55rem;
  transform:translateY(-50%);
}
/* leader runs left, label sits left of the point */
.mk--r{flex-direction:row; transform:translate(0,-50%)}
/* leader runs right, label sits right of the point */
.mk--l{flex-direction:row-reverse; transform:translate(-100%,-50%)}
.mk--l .mk__lead{transform:scaleX(-1)}

.mk__tick,.mk__dot{
  flex:0 0 auto;
  border-radius:50%;
}
.mk__tick{
  width:3px;height:3px;
  background:var(--creme-2);
  box-shadow:0 0 0 3px rgba(20,22,19,.55);
}
.mk__lead{
  flex:0 0 auto;
  width:clamp(1.25rem,3.2vw,3rem);
  height:1px;
  background:linear-gradient(to right,var(--line),rgba(56,61,55,.15));
}
.mk__label{
  font-family:var(--sans);
  font-size:11px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--creme-2);
  white-space:nowrap;
  text-shadow:0 1px 10px rgba(20,22,19,.95), 0 0 3px rgba(20,22,19,.95),
              0 0 18px rgba(20,22,19,.7);
}

/* The one jade element in this view. The house, and nothing else. */
.mk--home .mk__dot{
  width:7px;height:7px;
  background:var(--jade-hi);
  box-shadow:0 0 0 4px rgba(15,58,46,.55), 0 0 14px 2px rgba(99,161,129,.35);
}
.mk--home{flex-direction:row-reverse; transform:translate(-100%,-50%)}
.mk--home .mk__lead{
  transform:scaleX(-1);
  background:linear-gradient(to right,var(--jade),rgba(47,108,85,.15));
}
.mk--home .mk__label{
  font-family:var(--mincho);
  font-size:clamp(13px,1.5vw,17px);
  letter-spacing:.16em;
  text-transform:none;
  color:var(--creme);
}
.mk__label-en{
  font-family:var(--sans);
  font-size:10px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--creme-2);
  margin-inline-start:.5rem;
}

.plate__cap{
  width:100%;
  display:flex;
  flex-wrap:wrap;
  gap:.5rem 1.5rem;
  justify-content:space-between;
  padding:1rem var(--gutter) 0;
  font-family:var(--sans);
  font-size:.625rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:#7d7666;
}
.plate__attr{color:#6b6558}

/* ── 4 · what is around it ─────────────────────────────────── */
.around{padding:clamp(5rem,14vh,10rem) var(--gutter)}
.places{margin:0;display:grid;gap:0}
.place{
  display:grid;
  grid-template-columns:1fr;
  gap:.35rem;
  padding:clamp(1.6rem,3.5vh,2.4rem) 0;
  border-top:1px solid var(--line);
  max-width:52rem;
}
.place:last-child{border-bottom:1px solid var(--line)}
.place dt{
  font-family:var(--sans);
  font-size:.6875rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--creme-2);
}
.place dd{
  margin:0;
  max-width:var(--measure);
  color:var(--creme);
}
@media (min-width:52rem){
  .place{grid-template-columns:14rem 1fr; gap:2.5rem}
  .place dt{padding-top:.45em}
}

/* ── 5 · the house ─────────────────────────────────────────── */
.house{
  padding:clamp(5rem,14vh,10rem) var(--gutter);
  background:var(--stone);
}
.house__lines p{
  font-family:var(--display);
  font-size:clamp(1.15rem,2.2vw,1.6rem);
  line-height:1.55;
  margin:0 0 .55em;
  max-width:30ch;
  color:var(--creme);
}
.house__lines p:last-child{margin-bottom:0;color:var(--creme-2)}

/* ── 6 · the capture ───────────────────────────────────────── */
.capture{
  padding:clamp(6rem,18vh,12rem) var(--gutter);
  display:grid;
  justify-items:start;
}

/* The interval: a single line with a breath cut out of it.
   This view's one jade element. */
.interval{
  display:block;
  width:7.5rem;height:1px;
  margin-bottom:clamp(2.5rem,6vh,4rem);
  background:linear-gradient(to right,
    var(--jade) 0 42%, transparent 42% 58%, var(--jade) 58% 100%);
  opacity:.85;
}

.capture__h{
  font-family:var(--display);
  font-weight:400;
  font-size:clamp(1.35rem,3vw,2.1rem);
  line-height:1.35;
  margin:0 0 clamp(2rem,5vh,3rem);
  max-width:24ch;
  color:var(--creme);
}

.signup{width:100%;max-width:34rem}
.signup__label{
  display:block;
  font-family:var(--sans);
  font-size:.6875rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--creme-2);
  margin-bottom:.85rem;
}
.signup__row{
  display:flex;
  flex-wrap:wrap;
  gap:1rem 1.5rem;
  align-items:baseline;
  border-bottom:1px solid var(--line);
  padding-bottom:.75rem;
  transition:border-color .5s ease;
}
.signup__row:focus-within{border-color:var(--creme-2)}
.signup__input{
  flex:1 1 14rem;
  min-width:0;
  background:none;
  border:0;
  padding:0;
  color:var(--creme);
  font-family:var(--body);
  font-size:1.0625rem;
}
.signup__input::placeholder{color:#6b6558}
.signup__input:focus{outline:none}
.signup__go{
  flex:0 0 auto;
  background:none;
  border:0;
  padding:0;
  cursor:pointer;
  font-family:var(--sans);
  font-size:.6875rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--creme-2);
  transition:color .4s ease;
}
.signup__go:hover{color:var(--creme)}
.signup__note{
  min-height:1.5em;
  margin:1.25rem 0 0;
  font-family:var(--sans);
  font-size:.75rem;
  letter-spacing:.14em;
  color:var(--creme-2);
}
/* Snow white is used exactly once on this page, as the book asks:
   one struck note, at the single moment of arrival. */
.signup__note.is-done{color:var(--snow)}
.signup__note.is-bad{color:var(--creme-2)}

.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ── footer ────────────────────────────────────────────────── */
.foot{
  padding:clamp(4rem,10vh,7rem) var(--gutter) clamp(3rem,8vh,5rem);
  display:grid;
  justify-items:center;
  border-top:1px solid var(--line);
}
.foot__mark{
  font-family:var(--mincho);
  font-size:1.5rem;
  letter-spacing:.3em;
  text-indent:.3em;
  color:var(--creme-2);
  margin:0;
}

/* ── motion ────────────────────────────────────────────────
   Text arrives after the image has had its second. Nothing moves
   far; nothing bounces.
   ─────────────────────────────────────────────────────────── */
[data-rise]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity 1.1s cubic-bezier(.22,1,.36,1),
             transform 1.1s cubic-bezier(.22,1,.36,1);
}
[data-rise][data-delay="1"]{transition-delay:.12s}
[data-rise][data-delay="2"]{transition-delay:.24s}
[data-rise][data-delay="3"]{transition-delay:.36s}
[data-rise][data-delay="4"]{transition-delay:.48s}
[data-rise].is-in{opacity:1;transform:none}

/* Labels hold until the plate has been seen. */
.marks .mk{opacity:0;transition:opacity 1.4s ease .35s}
.plate.is-in .mk{opacity:1}

/* No JS: nothing is ever hidden. */
html:not(.js) [data-rise]{opacity:1;transform:none}
html:not(.js) .marks .mk{opacity:1}

@media (prefers-reduced-motion:reduce){
  [data-rise],[data-rise].is-in,.marks .mk{
    opacity:1 !important;transform:none !important;transition:none !important;
  }
  html{scroll-behavior:auto}
}

/* ── small screens ─────────────────────────────────────────
   The mobile plate is a different crop, so two labels fall
   outside it and are simply not drawn.
   ─────────────────────────────────────────────────────────── */
@media (max-width:699px){
  .mk--hide-sm{display:none}
  .mk__label{font-size:10px;letter-spacing:.2em}
  .mk__lead{width:1rem}
  /* re-base x into the mobile crop's coordinate space (25%..97%) */
  .mk{left:calc((var(--x) - 25%) / 0.72)}
}