:root {
  --paper:      #f2eee3;
  --paper-deep: #e7e1d2;
  --ink:        #171d27;
  --ink-soft:   rgba(23, 29, 39, .58);
  --ink-faint:  rgba(23, 29, 39, .2);

  --gold:       #9a7415;
  --gold-soft:  #c8a24a;

  --hero-ink:   #0a0e16;
  --hero-fg:    #f3efe6;
  
  --dot-center: #9a7415;
  --dot-branch: #171d27;
  --dot-leaf:   #434b5a;
  --edge:       rgba(23, 29, 39, .24);

  --ease:       cubic-bezier(.2, .7, .2, 1);

  --hero-pad-top: clamp(76px, 12vh, 132px);
}

*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho",
               "Noto Serif JP", "Source Han Serif", "IBM Plex Serif", serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

.topbar {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(16px, 2.4vw, 28px) clamp(18px, 3.4vw, 46px);
  font-size: clamp(12px, 1.05vw, 15px);
  letter-spacing: .34em;
  color: var(--hero-fg);
  text-shadow: 0 1px 20px rgba(10, 14, 22, .85);
}
.topbar__mark   { font-weight: 600; color: inherit; text-decoration: none; }
.topbar__slogan { opacity: .8; }

.topbar__nav {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(12px, 2vw, 30px);
}

.topbar__link--gate {
  pointer-events: none;
  transition: none;
  border-bottom-color: transparent !important;
  opacity: .65;
  position: absolute;
  right: calc(100% + clamp(12px, 2vw, 30px));
  top: 0;
  white-space: nowrap;
}

.topbar__link {
  color: inherit;
  text-decoration: none;
  opacity: .65;
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: opacity .25s ease, border-color .25s ease;
}
.topbar__link:hover,
.topbar__link:focus-visible { opacity: 1; border-bottom-color: currentColor; }
.topbar__link[aria-current="page"] { opacity: 1; border-bottom-color: currentColor; }

@media (max-width: 640px) {
  .topbar { flex-wrap: wrap; letter-spacing: .16em; font-size: 11px; }
  .topbar__slogan { display: none; }
  .topbar__nav { flex: 1 1 100%; justify-content: flex-start; margin-top: 10px; }
  .topbar__link--gate { position: static; }
  .hero { --hero-pad-top: clamp(104px, 18vh, 156px); }
}

.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(10px, 2vh, 26px);
  padding: var(--hero-pad-top) clamp(18px, 3.4vw, 46px) clamp(26px, 5vh, 54px);
  isolation: isolate;
  overflow: hidden;
  background: var(--hero-ink);
}

.hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: clamp(140px, 30vh, 340px);
  z-index: 3;
  pointer-events: none;
  background: var(--paper);
  -webkit-mask-image: linear-gradient(to bottom,
      rgba(0,0,0,0) 0%,
      rgba(0,0,0,.05) 28%,
      rgba(0,0,0,.22) 52%,
      rgba(0,0,0,.62) 76%,
      rgba(0,0,0,.92) 92%,
      #000 100%);
          mask-image: linear-gradient(to bottom,
      rgba(0,0,0,0) 0%,
      rgba(0,0,0,.05) 28%,
      rgba(0,0,0,.22) 52%,
      rgba(0,0,0,.62) 76%,
      rgba(0,0,0,.92) 92%,
      #000 100%);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 45%;
  -webkit-mask-image: linear-gradient(to bottom, #000 40%, rgba(0,0,0,.45) 74%, transparent 96%);
          mask-image: linear-gradient(to bottom, #000 40%, rgba(0,0,0,.45) 74%, transparent 96%);
}

.hero__scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10,14,22,.25) 0%, rgba(10,14,22,.1) 34%,
                            rgba(10,14,22,.08) 74%, rgba(10,14,22,.04) 100%),
    radial-gradient(74% 62% at 50% 46%, rgba(10,14,22,.18) 0%,
                                        rgba(10,14,22,.04) 62%, rgba(10,14,22,.2) 100%);
  -webkit-mask-image: linear-gradient(to bottom, #000 40%, rgba(0,0,0,.45) 74%, transparent 96%);
          mask-image: linear-gradient(to bottom, #000 40%, rgba(0,0,0,.45) 74%, transparent 96%);
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right,  rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: clamp(48px, 5.2vw, 84px) clamp(48px, 5.2vw, 84px);
  -webkit-mask-image: linear-gradient(to bottom, #000 40%, rgba(0,0,0,.45) 74%, transparent 96%);
          mask-image: linear-gradient(to bottom, #000 40%, rgba(0,0,0,.45) 74%, transparent 96%);
}

.hero__dots {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  -webkit-mask-image: linear-gradient(to bottom, #000 62%, transparent 97%);
          mask-image: linear-gradient(to bottom, #000 62%, transparent 97%);
}

.hero__meta,
.hero__latin,
.hero__slogan,
.scrollcue {
  position: relative;
  z-index: 2;
  pointer-events: none;
  text-align: center;
  color: var(--hero-fg);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: clamp(14px, 2vw, 30px);
}
.hero__title {
  margin: 0;
  font-size: clamp(24px, 2.8vw, 44px);
  font-weight: 600;
  letter-spacing: .5em;
  text-indent: .5em;
}
.hero__year {
  margin: 0;
  font-family: ui-sans-serif, "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(24px, 2.8vw, 44px);
  letter-spacing: .3em;
  text-indent: .3em;
  color: var(--gold-soft);
}

.hero__latin {
  margin: auto 0 0;
  font-family: ui-sans-serif, "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(13px, 1.5vw, 24px);
  font-weight: 500;
  letter-spacing: .68em;
  text-indent: .68em;
  color: rgba(243, 239, 230, .72);
}

.hero__slogan {
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 2.4vw, 40px);
  margin: 0;
  font-size: clamp(22px, 3vw, 46px);
  letter-spacing: .42em;
  text-indent: .42em;
  text-shadow: 0 2px 30px rgba(10, 14, 22, .8);
}
.hero__slogan-line {
  display: block;
  width: clamp(40px, 8vw, 130px);
  height: 1px;
  background: linear-gradient(90deg, transparent, #40474e);
}
.hero__slogan-line:last-child {
  background: linear-gradient(90deg, #40474e, transparent);
}

.scrollcue {
  display: grid;
  justify-items: center;
  gap: 10px;
  z-index: 4;
  color: var(--ink-soft);
  font-family: ui-sans-serif, "Helvetica Neue", Arial, sans-serif;
  font-size: 10px;
  letter-spacing: .4em;
  text-indent: .4em;
  pointer-events: auto;
  text-decoration: none;
}
.scrollcue:hover { color: var(--gold); }
.scrollcue__bar {
  width: 1px; height: 30px;
  background: linear-gradient(180deg, var(--ink-faint), transparent);
  animation: drop 2.4s var(--ease) infinite;
}
@keyframes drop {
  0%   { transform: scaleY(0); transform-origin: top; }
  45%  { transform: scaleY(1); transform-origin: top; }
  55%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero__meta, .hero__latin, .hero__slogan, .scrollcue {
    animation: rise 1.2s var(--ease) both;
  }
  .hero__meta   { animation-delay: .2s; }
  .hero__latin  { animation-delay: .8s; }
  .hero__slogan { animation-delay: 1s;  }
  .scrollcue    { animation-delay: 1.3s; }
  @keyframes rise { from { opacity: 0; } to { opacity: 1; } }
}
@media (prefers-reduced-motion: reduce) {
  .scrollcue__bar { animation: none; }
}

@media (max-width: 700px) {
  .topbar { letter-spacing: .22em; }
}

@media (max-height: 620px) {
  .hero {
    --hero-pad-top: clamp(60px, 13vh, 96px);
    gap: clamp(6px, 1.4vh, 14px);
    padding-bottom: clamp(16px, 3.5vh, 34px);
  }
  .hero__title,
  .hero__year  { font-size: clamp(18px, 2.2vw, 28px); }
  .hero__latin { font-size: clamp(11px, 1.2vw, 16px); letter-spacing: .5em; text-indent: .5em; }
  .hero__slogan { font-size: clamp(18px, 2.4vw, 30px); gap: clamp(10px, 1.6vw, 24px); }
  .hero__slogan-line { width: clamp(28px, 6vw, 90px); }
  .branchmap__word { font-size: clamp(16px, 2vw, 26px); }
  .scrollcue__bar { display: none; }
  .hero__meta { order: -1; }
  .hero__dots {
    position: relative;
    inset: auto;
    flex: 1 1 0;
    min-height: 40px;
    height: auto;
  }
}

@media (max-height: 620px) and (max-width: 640px) {
  .hero { --hero-pad-top: clamp(100px, 26vh, 124px); }
}

.concept {
  position: relative;
  padding: clamp(40px, 7vh, 90px) clamp(18px, 4vw, 60px) clamp(60px, 10vh, 120px);
  max-width: 1360px;
  margin: 0 auto;
}

.concept::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: clamp(120px, 22vh, 260px);
  pointer-events: none;
  background-image:
    linear-gradient(to right,  rgba(23,29,39,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(23,29,39,.055) 1px, transparent 1px);
  background-size: clamp(48px, 5.2vw, 84px) clamp(48px, 5.2vw, 84px);
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent);
          mask-image: linear-gradient(to bottom, #000, transparent);
}

.concept__head {
  position: relative;
  z-index: 1;
  text-align: center;
  margin-bottom: clamp(10px, 2vh, 26px);
}

.concept__label {
  margin: 0 0 clamp(14px, 2.4vh, 26px);
  font-family: ui-sans-serif, "Helvetica Neue", Arial, sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .5em;
  text-indent: .5em;
  color: var(--gold);
}

.concept__lead {
  margin: 0 auto;
  max-width: 42em;
  font-size: clamp(13px, 1.25vw, 17px);
  line-height: 2.1;
  letter-spacing: .1em;
  color: var(--ink-soft);
}

.graph { position: relative; z-index: 1; }

.graph__canvas {
  display: block;
  width: 100%;
  height: auto;
  cursor: default;
}

.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .8rem 1rem;
  padding: clamp(20px, 3vh, 34px) clamp(18px, 4vw, 60px);
  border-top: 1px solid var(--ink-faint);
  font-family: ui-sans-serif, "Helvetica Neue", Arial, sans-serif;
  font-size: 11px;
  letter-spacing: .34em;
  color: var(--ink-soft);
}

/* The festival name and the source note read as one left-hand group, so they travel
   together when the footer wraps and only the page word sits on the right. */
.foot__group {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem clamp(16px, 2.4vw, 34px);
}

/* Baseline, not centre: the link carries a padding-bottom for its underline, which
   under centre alignment lifts its text a pixel or two above the licence note. */
.foot__meta {
  display: flex;
  align-items: baseline;
  gap: .7em;
}

/* Drawn here rather than written into the markup: it stays out of the accessibility
   tree without an aria-hidden attribute, and an unset site.repo_url leaves no stray
   separator behind, because without the link there is no sibling to match. */
.foot__link + .foot__license::before {
  content: "\00b7";
  margin-right: .7em;
  color: var(--ink-faint);
}

.foot__link {
  color: inherit;
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color .25s ease, border-color .25s ease;
}
.foot__link:hover,
.foot__link:focus-visible { color: var(--ink); border-bottom-color: currentColor; }

@media (max-width: 640px) {
  .foot { letter-spacing: .16em; }
}

.branchmap {
  position: relative;
  z-index: 4;
  margin-top: auto;
  width: min(860px, 84vw);
  pointer-events: none;
  color: var(--ink);
  text-align: center;
}

.branchmap__stem {
  display: block;
  width: 1px;
  height: clamp(26px, 6vh, 70px);
  margin: 0 auto;
  background: linear-gradient(180deg, transparent, var(--ink-faint));
}

.branchmap__bar {
  display: block;
  width: 66.66%;
  height: 1px;
  margin: 0 auto;
  background: linear-gradient(90deg,
      transparent, var(--ink-faint) 12%, var(--ink-faint) 88%, transparent);
}

.branchmap__row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.branchmap__node {
  display: grid;
  justify-items: center;
  gap: 6px;
}
.branchmap__node::before {
  content: "";
  width: 1px;
  height: clamp(20px, 4vh, 44px);
  background: linear-gradient(180deg, var(--ink-faint), rgba(23, 29, 39, .3));
  margin-bottom: clamp(8px, 1.4vh, 16px);
}

.branchmap__grade {
  font-family: ui-sans-serif, "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(11px, 1.2vw, 16px);
  letter-spacing: .3em;
  text-indent: .3em;
  color: var(--gold);
}
.branchmap__word {
  font-size: clamp(20px, 2.6vw, 38px);
  font-weight: 600;
  letter-spacing: .24em;
  text-indent: .24em;
  color: var(--ink);
}

@media (max-width: 640px) {
  .branchmap__word { letter-spacing: .12em; text-indent: .12em; }
}

.works {
  background: var(--paper);
  padding: 0 clamp(18px, 4vw, 48px) clamp(56px, 10vh, 120px);
}

.branchmap--works {
  width: min(1040px, 92vw);
  margin: 0 auto;
  pointer-events: auto;
}

.branchmap--works .branchmap__stem { height: clamp(40px, 8vh, 96px); }

.branchmap--works .branchmap__row {
  gap: clamp(18px, 3vw, 44px);
  align-items: start;
}

.branchmap--works .branchmap__node { gap: 10px; }

.branchmap--works .branchmap__word {
  font-size: clamp(17px, 1.9vw, 27px);
  letter-spacing: .12em;
  text-indent: .12em;
}

.branchmap__desc {
  margin: 2px 0 0;
  max-width: 24ch;
  font-size: clamp(12px, 1.1vw, 15px);
  line-height: 2;
  color: var(--ink-soft);
  text-align: center;
}

.branchmap__btn {
  margin-top: clamp(8px, 1.6vh, 18px);
  padding: .72em 1.5em;
  font-family: inherit;
  font-size: clamp(11px, 1vw, 14px);
  letter-spacing: .2em;
  text-indent: .2em;
  color: var(--gold);
  text-decoration: none;
  border: 1px solid var(--ink-faint);
  border-radius: 999px;
  background: transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease),
              background-color .25s var(--ease);
}
.branchmap__btn:hover,
.branchmap__btn:focus-visible {
  color: var(--paper);
  border-color: var(--gold);
  background: var(--gold);
}

/* The PDF password form. It appears above the works list when the gate is armed, so
   the token is posted once and never placed in a URL. */
.pdfgate {
  width: min(1040px, 92vw);
  margin: 0 auto clamp(24px, 4vh, 48px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.pdfgate__label {
  font-size: clamp(12px, 1.1vw, 15px);
  letter-spacing: .14em;
  color: var(--ink-soft);
}

.pdfgate__row {
  display: flex;
  gap: 10px;
  align-items: stretch;
}

.pdfgate__input {
  min-width: 0;
  padding: .72em 1.1em;
  font-family: inherit;
  font-size: clamp(13px, 1.1vw, 15px);
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink-faint);
  border-radius: 999px;
}

.pdfgate__input:focus-visible {
  outline: none;
  border-color: var(--gold);
}

.pdfgate__submit {
  padding: .72em 1.6em;
  font-family: inherit;
  font-size: clamp(11px, 1vw, 14px);
  letter-spacing: .2em;
  text-indent: .2em;
  color: var(--gold);
  background: transparent;
  border: 1px solid var(--ink-faint);
  border-radius: 999px;
  cursor: pointer;
  transition: color .25s var(--ease), border-color .25s var(--ease),
              background-color .25s var(--ease);
}

.pdfgate__submit:hover,
.pdfgate__submit:focus-visible {
  color: var(--paper);
  border-color: var(--gold);
  background: var(--gold);
}

/* The file list on a work's chooser page (/works/{key}). */
.workfiles {
  width: min(1040px, 92vw);
  margin: 0 auto;
  padding: 0;
  list-style: none;
  display: grid;
  gap: clamp(12px, 2vh, 20px);
}

.workfiles__item {
  display: flex;
  justify-content: center;
}

.workfiles__link {
  display: block;
  width: min(420px, 80vw);
  padding: clamp(14px, 2.2vh, 20px) clamp(18px, 3vw, 28px);
  font-size: clamp(14px, 1.4vw, 18px);
  letter-spacing: .12em;
  text-align: center;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--ink-faint);
  border-radius: 14px;
  transition: color .25s var(--ease), border-color .25s var(--ease),
              background-color .25s var(--ease);
}

.workfiles__link:hover,
.workfiles__link:focus-visible {
  color: var(--paper);
  border-color: var(--gold);
  background: var(--gold);
}

.workfiles__back {
  width: min(1040px, 92vw);
  margin: clamp(24px, 4vh, 40px) auto 0;
  text-align: center;
}

.workfiles__back a {
  font-size: clamp(12px, 1.1vw, 14px);
  letter-spacing: .12em;
  color: var(--ink-soft);
  text-decoration: none;
}

.workfiles__back a:hover,
.workfiles__back a:focus-visible {
  color: var(--gold);
}

@media (max-width: 720px) {
  .branchmap--works .branchmap__row { grid-template-columns: 1fr; }
  .branchmap--works .branchmap__bar { display: none; }
  .branchmap--works .branchmap__word { letter-spacing: .08em; text-indent: .08em; }
}

/* ---------------------------------------------------------------------------
   Setup banner.

   Shown only when required config keys are still unset. It has to be impossible
   to miss without blocking the page, so it sits above the header in normal flow
   rather than overlaying anything.
   --------------------------------------------------------------------------- */
.setup-banner {
  margin: 0;
  padding: .7rem 1rem;
  background: #9a7415;
  color: #0a0e16;
  font-size: .9rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
}

/* ---------------------------------------------------------------------------
   Setup checklist (/setup, development only).
   --------------------------------------------------------------------------- */
.setup { margin: 0 auto; max-width: 60rem; padding: 0 1rem 3rem; }

.setup__table { border-collapse: collapse; font-size: .9rem; width: 100%; }

.setup__table th,
.setup__table td {
  border-bottom: 1px solid rgba(243, 239, 230, .14);
  padding: .5rem .6rem;
  text-align: left;
  vertical-align: top;
}

.setup__table th { font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }

.setup__table code { font-size: .95em; word-break: break-all; }

.setup__note { font-size: .8rem; opacity: .7; }

/* ---------------------------------------------------------------------------
   Visible page lead and ABOUT section.

   Real, indexable prose. The lead repeats the page's own description; the ABOUT
   block states the school, festival, dates and theme in plain text, so the page
   is not a canvas with nothing for a search engine to read.
   --------------------------------------------------------------------------- */
.page-lead {
  padding: clamp(28px, 5vh, 60px) clamp(18px, 4vw, 60px) 0;
  max-width: 1360px;
  margin: 0 auto;
}

.page-lead__text {
  margin: 0 auto;
  max-width: 42em;
  text-align: center;
  font-size: clamp(13px, 1.25vw, 17px);
  line-height: 2.1;
  letter-spacing: .1em;
  color: var(--ink-soft);
}

.about {
  padding: clamp(40px, 7vh, 90px) clamp(18px, 4vw, 60px) clamp(60px, 10vh, 120px);
  max-width: 1360px;
  margin: 0 auto;
  border-top: 1px solid var(--ink-faint);
}

.about__head {
  text-align: center;
  margin-bottom: clamp(18px, 3vh, 34px);
}

.about__label {
  margin: 0 0 clamp(14px, 2.4vh, 26px);
  font-family: ui-sans-serif, "Helvetica Neue", Arial, sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .5em;
  text-indent: .5em;
  color: var(--gold);
}

.about__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 34px);
  letter-spacing: .14em;
  color: var(--ink);
}

.about__body {
  max-width: 42em;
  margin: 0 auto;
}

.about__text {
  margin: 0 0 .6em;
  font-size: clamp(13px, 1.25vw, 17px);
  line-height: 2.1;
  letter-spacing: .08em;
  color: var(--ink-soft);
}

.works__title {
  margin: 0 0 clamp(14px, 2.4vh, 26px);
  text-align: center;
  font-size: clamp(18px, 2.2vw, 28px);
  letter-spacing: .14em;
  color: var(--ink);
}