/* ─────────────────────────────────────────────────────────────
   Otō Matsuri special page — sei.css の上に薄く差分追加
   ───────────────────────────────────────────────────────────── */

body.kura-otou {
  background: var(--paper);
  color: var(--ink);
  --gutter: clamp(20px, 4vw, 64px);
  --maxw: 1200px;
  --sec-pad: clamp(96px, 14vh, 180px);
}

/* ── Hero ── */
.otou-hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: #0a0805;
  color: var(--paper);
}
.otou-hero__img {
  position: absolute; inset: 0;
}
.otou-hero__img img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.05);
  animation: otouKB 22s var(--ease-out) infinite alternate;
}
@keyframes otouKB {
  0%   { transform: scale(1.05) translate3d(0, 0, 0); }
  100% { transform: scale(1.16) translate3d(-1%, -2%, 0); }
}
.otou-hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(10,8,5,.5) 0%, rgba(10,8,5,.0) 25%, rgba(10,8,5,.25) 55%, rgba(10,8,5,.85) 100%),
    linear-gradient(90deg, rgba(10,8,5,.55) 0%, rgba(10,8,5,0) 50%);
}

/* Forest hero variant — kinegadani (bright photo, green-tinted dark scrim) */
.otou-hero--forest { background: #0d1109; }
.otou-hero--forest .otou-hero__scrim {
  background:
    linear-gradient(180deg, rgba(13,17,9,.55) 0%, rgba(13,17,9,.1) 30%, rgba(13,17,9,.4) 60%, rgba(13,17,9,.92) 100%),
    linear-gradient(90deg, rgba(13,17,9,.6) 0%, rgba(13,17,9,0) 55%);
}
.otou-hero--forest .otou-hero__eyebrow .vm { color: #B5C7A8; }
.otou-hero--forest .otou-hero__date strong { color: #B5C7A8; }
.otou-hero--forest .otou-hero__eyebrow .rule { background: #B5C7A8; }

/* Vermillion hero variant — hayatama (朱の神門) */
.otou-hero--vermillion { background: #1a0b07; }
.otou-hero--vermillion .otou-hero__scrim {
  background:
    linear-gradient(180deg, rgba(26,11,7,.55) 0%, rgba(26,11,7,.1) 30%, rgba(26,11,7,.4) 60%, rgba(26,11,7,.92) 100%),
    linear-gradient(90deg, rgba(26,11,7,.6) 0%, rgba(26,11,7,0) 55%);
}
.otou-hero--vermillion .otou-hero__eyebrow .vm { color: #D9967C; }
.otou-hero--vermillion .otou-hero__date strong { color: #D9967C; font-family: var(--mincho); font-size: 22px; font-style: normal; }
.otou-hero--vermillion .otou-hero__eyebrow .rule { background: #D9967C; }
.otou-hero__shell {
  position: relative; z-index: 2;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 100px var(--gutter) 80px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.otou-hero__topmeta {
  display: flex; justify-content: space-between;
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: .32em;
  text-transform: uppercase;
  opacity: .82;
}
.otou-hero__topmeta a { transition: opacity .3s; }
.otou-hero__topmeta a:hover { opacity: .6; }

.otou-hero__center {
  display: flex; align-items: flex-end;
  padding-bottom: clamp(60px, 12vh, 140px);
  max-width: 880px;
}
.otou-hero__eyebrow {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: .36em;
  text-transform: uppercase;
  opacity: .9;
  margin-bottom: 28px;
}
.otou-hero__eyebrow .rule {
  display: inline-block; width: 56px; height: 1px;
  background: #C97043; opacity: 1;
}
.otou-hero__eyebrow .vm { color: #E8896A; }

.otou-hero__title {
  font-family: var(--mincho);
  font-weight: 500;
  font-size: clamp(46px, 7vw, 104px);
  line-height: 1.18;
  letter-spacing: .06em;
  margin: 0;
}
.otou-hero__title .small {
  display: block;
  margin-top: 18px;
  font-size: clamp(16px, 1.6vw, 22px);
  letter-spacing: .3em;
  font-weight: 400;
  font-family: var(--serif-en);
  font-style: italic;
  opacity: .82;
}
.otou-hero__sub {
  font-family: var(--serif-ja);
  font-size: clamp(15px, 1.4vw, 18px);
  letter-spacing: .12em;
  margin-top: 28px;
  max-width: 560px;
  line-height: 1.95;
  opacity: .92;
}

.otou-hero__bottom {
  display: flex; justify-content: space-between; align-items: end;
  gap: 24px;
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: .3em;
  text-transform: uppercase;
}
.otou-hero__date {
  font-family: var(--mincho);
  text-transform: none;
  letter-spacing: .14em;
  font-size: 14px;
}
.otou-hero__date strong {
  display: block;
  font-family: var(--serif-en);
  font-size: 28px;
  font-weight: 300;
  font-style: italic;
  letter-spacing: .04em;
  margin-bottom: 4px;
  color: #E8896A;
}

/* ── Sections ── */
.otou-sec {
  padding: var(--sec-pad) var(--gutter);
}
.otou-sec--paper-deep { background: var(--paper-deep); }
.otou-sec--ink { background: var(--ink); color: var(--paper); }
.otou-sec__inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.otou-prose {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(30px, 5vw, 80px);
  align-items: start;
  padding: clamp(60px, 8vw, 100px) 0;
  border-top: 1px solid var(--hairline);
}
.otou-prose:last-of-type { border-bottom: 1px solid var(--hairline); }
.otou-prose__index {
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: .36em;
  text-transform: uppercase;
  color: var(--moss);
}
.otou-prose__index .num {
  display: block;
  font-size: 24px;
  font-style: italic;
  font-weight: 400;
  letter-spacing: .04em;
  text-transform: none;
  color: var(--ink);
  margin-bottom: 14px;
}
.otou-prose__body h3 {
  font-family: var(--mincho);
  font-weight: 500;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.4;
  letter-spacing: .04em;
  margin: 0 0 28px;
}
.otou-prose__body p {
  font-size: 16px;
  line-height: 2;
  letter-spacing: .04em;
  color: var(--ink);
  margin: 0 0 16px;
  max-width: 60ch;
}
.otou-prose__body p.muted { color: var(--ink-soft); }

.otou-prose__pull {
  margin-top: 28px;
  padding: 24px 28px;
  border-left: 3px solid var(--vermillion);
  background: var(--paper-soft);
  font-family: var(--mincho);
  font-size: 15px;
  line-height: 1.95;
  letter-spacing: .04em;
}
.otou-sec--paper-deep .otou-prose__pull { background: rgba(244,239,232,.5); }
.otou-sec--ink .otou-prose__pull { background: rgba(244,239,232,.06); border-left-color: #E8896A; }

/* ── KURA from section (positioning) ── */
.otou-position {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
}
.otou-position__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--ink);
}
.otou-position__media img {
  width: 100%; height: 100%; object-fit: cover;
}
.otou-position__copy h3 {
  font-family: var(--mincho);
  font-weight: 500;
  font-size: clamp(30px, 3.8vw, 50px);
  line-height: 1.4;
  letter-spacing: .04em;
  margin: 0 0 32px;
}
.otou-position__copy p {
  font-size: 16px;
  line-height: 2;
  margin: 0 0 16px;
}
.otou-position__cta {
  display: inline-flex; align-items: center; gap: 14px;
  margin-top: 32px;
  padding: 18px 32px;
  background: var(--moss);
  color: var(--paper);
  font-family: var(--mincho);
  font-size: 14px;
  letter-spacing: .2em;
  transition: background .4s, transform .4s var(--ease-out);
}
.otou-position__cta:hover { background: var(--moss-deep); transform: translateY(-2px); }
.otou-position__cta::after { content: "→"; font-family: var(--serif-en); }
.otou-position__cta .en {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 12px;
  opacity: .75;
  letter-spacing: .14em;
  margin-left: 10px;
  text-transform: none;
}

/* ── Practical info grid ── */
.otou-info {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--hairline);
  background: var(--paper-soft);
}
.otou-info__cell {
  padding: clamp(28px, 3vw, 44px);
  border-right: 1px solid var(--hairline);
}
.otou-info__cell:last-child { border-right: none; }
.otou-info__cell h5 {
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: .36em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 14px;
  font-weight: 500;
}
.otou-info__cell .val {
  font-family: var(--mincho);
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: .04em;
}
.otou-info__cell .val em {
  display: block;
  margin-top: 6px;
  font-style: normal;
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ink-soft);
}

/* ── Heritage / numbers band ── */
.otou-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: clamp(40px, 6vw, 80px);
  border-top: 1px solid rgba(244,239,232,.16);
  border-bottom: 1px solid rgba(244,239,232,.16);
}
.otou-band__cell {
  padding: clamp(32px, 4vw, 48px) clamp(20px, 2.4vw, 36px);
  border-right: 1px solid rgba(244,239,232,.16);
}
.otou-band__cell:last-child { border-right: none; }
.otou-band__num {
  font-family: var(--serif-en);
  font-size: clamp(36px, 4.5vw, 60px);
  font-weight: 300;
  font-style: italic;
  line-height: 1;
  color: #E8896A;
  margin-bottom: 14px;
  letter-spacing: .04em;
}
.otou-band__lbl {
  font-family: var(--mincho);
  font-size: 13px;
  letter-spacing: .14em;
  opacity: .85;
  line-height: 1.7;
}

/* ── Sources / footer ── */
.otou-foot {
  padding: clamp(60px, 8vw, 100px) var(--gutter) clamp(40px, 4vw, 60px);
  background: var(--paper-deep);
  border-top: 1px solid var(--hairline);
}
.otou-foot__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(30px, 5vw, 80px);
}
.otou-foot h6 {
  font-family: var(--serif-en);
  font-size: 11px;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 16px;
  font-weight: 500;
}
.otou-foot ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 8px;
}
.otou-foot ul a {
  font-family: var(--mincho);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--moss);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.otou-foot ul a:hover { border-bottom-color: var(--moss); }
.otou-foot__back {
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: inline-flex; align-items: center; gap: 12px;
}
.otou-foot__back::before { content: "←"; font-style: italic; }

/* ── Reveal ── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1.1s var(--ease-out), transform 1.1s var(--ease-out); }
.reveal.is-in { opacity: 1; transform: translateY(0); }

/* ── Responsive ── */
@media (max-width: 900px) {
  body.kura-otou { --gutter: 22px; }
  .otou-hero__title { font-size: clamp(40px, 11vw, 64px); }
  .otou-hero__shell { padding: 80px var(--gutter) 60px; }
  .otou-hero__topmeta { flex-direction: column; align-items: flex-start; gap: 6px; font-size: 9px; }
  .otou-hero__center { padding-bottom: 56px; }
  .otou-prose { grid-template-columns: 1fr; gap: 18px; padding: clamp(40px, 8vw, 70px) 0; }
  .otou-prose__index { display: flex; gap: 14px; align-items: baseline; }
  .otou-prose__index .num { display: inline; margin: 0; font-size: 22px; }
  .otou-prose__body h3 { font-size: clamp(24px, 6.4vw, 34px); }
  .otou-position { grid-template-columns: 1fr; gap: 30px; }
  .otou-info, .otou-band { grid-template-columns: 1fr 1fr; }
  .otou-info__cell, .otou-band__cell {
    border-right: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
  }
  .otou-info__cell:nth-child(2n), .otou-band__cell:nth-child(2n) { border-right: none; }
  .otou-band__cell { border-right-color: rgba(244,239,232,.16); border-bottom-color: rgba(244,239,232,.16); }
  .otou-band__cell:nth-child(2n) { border-right: none; }
  .otou-band__num { font-size: clamp(32px, 8vw, 44px); }
  .otou-foot__inner { grid-template-columns: 1fr; gap: 30px; }
}

/* ── Vertical timeline (kinegadani) ── */
.otou-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.otou-timeline::before {
  content: "";
  position: absolute;
  left: 132px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: rgba(244, 239, 232, 0.2);
}
.otou-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 132px 28px 1fr;
  align-items: start;
  gap: 0;
  padding: clamp(20px, 2.6vw, 32px) 0;
}
.otou-timeline__item + .otou-timeline__item {
  border-top: 1px solid rgba(244, 239, 232, 0.08);
}
.otou-timeline__year {
  font-family: var(--serif-en);
  font-size: 13px;
  font-style: italic;
  letter-spacing: .14em;
  color: rgba(244, 239, 232, 0.62);
  padding-top: 4px;
}
.otou-timeline__node {
  position: relative;
  width: 28px;
  height: 28px;
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 7px;
}
.otou-timeline__node::before {
  content: "";
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(244, 239, 232, 0.35);
  border: 1px solid rgba(244, 239, 232, 0.55);
  transition: transform .5s var(--ease-out);
}
.otou-timeline__item.is-here .otou-timeline__node::before {
  background: #B5C7A8;
  border-color: #B5C7A8;
  transform: scale(1.6);
  box-shadow: 0 0 0 6px rgba(181, 199, 168, 0.12);
}
.otou-timeline__item.is-now .otou-timeline__node::before {
  background: var(--paper);
  border-color: var(--paper);
}
.otou-timeline__body {
  padding-left: clamp(16px, 2vw, 28px);
}
.otou-timeline__body h4 {
  font-family: var(--mincho);
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 500;
  margin: 0 0 8px;
  letter-spacing: .04em;
  color: var(--paper);
}
.otou-timeline__body p {
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(244, 239, 232, 0.78);
  margin: 0;
  max-width: 56ch;
}
.otou-timeline__pin {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 12px;
  font-family: var(--mincho);
  font-size: 12px;
  letter-spacing: .14em;
  color: #B5C7A8;
  border: 1px solid #B5C7A8;
  border-radius: 999px;
}

@media (max-width: 720px) {
  .otou-timeline::before { left: 14px; }
  .otou-timeline__item { grid-template-columns: 28px 1fr; gap: 0; padding: 18px 0; }
  .otou-timeline__year {
    grid-column: 1 / -1;
    padding-left: 0;
    margin-bottom: 8px;
    font-size: 12px;
  }
  .otou-timeline__node { padding-top: 6px; }
  .otou-timeline__body { padding-left: 14px; }
  .otou-timeline__body h4 { font-size: 17px; }
}
  body.kura-otou { --gutter: 18px; --sec-pad: clamp(56px, 10vw, 88px); }
  .otou-hero__title { font-size: clamp(36px, 12vw, 52px); }
  .otou-hero__title .small { font-size: 13px; letter-spacing: .22em; }
  .otou-hero__sub { font-size: 14px; }
  .otou-hero__bottom { font-size: 9px; }
  .otou-hero__date strong { font-size: 22px; }
  .otou-info__cell, .otou-band__cell { padding: 22px 18px; }
  .otou-info__cell .val { font-size: 16px; }
  .otou-band__num { font-size: 32px; }
  .otou-prose__pull { padding: 18px 20px; font-size: 14px; }
}