:root {
  --paper: #faf6ef;
  --paper-dark: #f1e9dc;
  --ink: #2a2230;
  --ink-light: #5d5363;
  --wine: #7b1f2e;
  --wine-dark: #561421;
  --curtain: #8e2434;
  --lamp: #f2c46d;
  --lamp-light: #fbe7bd;
  --stage: #1e1a26;
  --stage-light: #2d2738;
  --white: #fffdf9;
  --line: #e6dccb;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic", system-ui, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.9;
}
h1, h2, h3, h4, p, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, .logo__mark, .price strong, .poster__title { font-family: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif; }

.container { width: min(1080px, 100% - 32px); margin-inline: auto; }
.sp { display: none; }

/* buttons */
.btn {
  display: inline-block; padding: 14px 32px; border-radius: 999px; font-weight: 700;
  background: var(--wine); color: var(--white); border: 2px solid var(--wine);
  font: inherit; font-weight: 700; cursor: pointer;
  transition: background .2s, color .2s, transform .2s;
}
.btn:hover { background: var(--wine-dark); border-color: var(--wine-dark); transform: translateY(-1px); }
.btn--light { background: var(--lamp); border-color: var(--lamp); color: var(--stage); }
.btn--light:hover { background: var(--lamp-light); border-color: var(--lamp-light); }
.btn--ghost-light { background: transparent; border-color: rgba(255,255,255,.6); color: #fff; }
.btn--ghost-light:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn--block { display: block; width: 100%; }

/* top bar */
.topbar { background: var(--stage); color: #fff; text-align: center; font-size: .85rem; }
.topbar a { display: block; padding: 8px 16px; }
.topbar a:hover { background: var(--stage-light); }
.topbar strong { margin-right: 12px; padding: 1px 10px; border-radius: 999px; background: var(--lamp); color: var(--stage); font-size: .7rem; letter-spacing: .15em; }

/* header */
.header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,253,249,.94); backdrop-filter: blur(6px);
  border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s;
}
.header.is-scrolled { border-color: var(--line); box-shadow: 0 4px 16px rgba(42,34,48,.06); }
.header__inner { display: flex; align-items: center; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.logo__lamp {
  width: 14px; height: 14px; border-radius: 50%; background: var(--lamp);
  box-shadow: 0 0 0 4px rgba(242,196,109,.25), 0 0 18px 4px rgba(242,196,109,.6);
}
.logo__mark { font-size: 1.3rem; font-weight: 700; letter-spacing: .08em; white-space: nowrap; }
.nav ul { display: flex; align-items: center; gap: 26px; font-size: .92rem; white-space: nowrap; }
.nav a { position: relative; padding: 4px 0; }
.nav a:not(.nav__cta)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--wine); transform: scaleX(0); transition: transform .2s;
}
.nav a:not(.nav__cta):hover::after { transform: scaleX(1); }
.nav__cta { padding: 8px 20px !important; border-radius: 999px; background: var(--wine); color: #fff; font-weight: 700; }
.nav__cta:hover { background: var(--wine-dark); }
.menu-btn { display: none; }

/* hero */
.hero {
  position: relative; overflow: hidden; color: #fff; text-align: center;
  background:
    linear-gradient(180deg, rgba(29,27,36,.55) 0%, rgba(29,27,36,.25) 50%, rgba(29,27,36,0) 75%),
    url(images/hero.jpg?v=2) center bottom / auto 74% no-repeat,
    #1d1b24;
  padding: 120px 0 330px;
}
.hero__curtain {
  position: absolute; top: 0; bottom: 0; width: 22%;
  background: repeating-linear-gradient(90deg, var(--curtain) 0 18px, var(--wine-dark) 18px 30px, var(--curtain) 30px 44px);
  box-shadow: inset 0 -40px 60px rgba(0,0,0,.35);
  animation: curtain-open 1.6s cubic-bezier(.6,.05,.3,1) both;
}
.hero__curtain--left { left: 0; border-bottom-right-radius: 70% 22%; transform-origin: left; }
.hero__curtain--right { right: 0; border-bottom-left-radius: 70% 22%; transform-origin: right; }
.hero__valance {
  position: absolute; top: 0; left: 0; right: 0; height: 44px;
  background: radial-gradient(circle at 50% 0, var(--curtain) 70%, transparent 71%) 0 0 / 80px 44px repeat-x;
  filter: drop-shadow(0 6px 6px rgba(0,0,0,.35));
}
.hero__inner { position: relative; }
.hero__label {
  display: inline-block; padding: 4px 18px; margin-bottom: 18px; border: 1px solid rgba(242,196,109,.7);
  border-radius: 999px; color: var(--lamp); font-size: .85rem; letter-spacing: .3em;
}
.hero__title { font-size: clamp(2.6rem, 7vw, 4.6rem); line-height: 1.3; letter-spacing: .14em; text-shadow: 0 2px 16px rgba(20,16,28,.8), 0 0 30px rgba(242,196,109,.35); }
.hero__lead, .hero__date { text-shadow: 0 1px 10px rgba(20,16,28,.9); }
.hero__lead { margin-top: 18px; font-size: 1.05rem; color: rgba(255,255,255,.85); }
.hero__date { margin-top: 28px; font-size: 1.5rem; font-weight: 700; letter-spacing: .08em; color: var(--lamp); }
.hero__date small { font-size: .7rem; letter-spacing: .1em; }
.hero__date span { display: block; font-size: .9rem; font-weight: 400; color: rgba(255,255,255,.75); letter-spacing: .1em; }
.hero__actions { margin-top: 36px; display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }

@keyframes curtain-open {
  from { transform: scaleX(2.3); }
  to { transform: scaleX(1); }
}

/* news */
.news { background: var(--paper); border-bottom: 1px solid var(--line); }
.news__inner { display: flex; gap: 40px; padding: 28px 0; }
.news__title { flex-shrink: 0; font-size: 1.05rem; padding-top: 2px; }
.news__list li { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; padding: 4px 0; font-size: .92rem; }
.news__list time { color: var(--ink-light); font-size: .85rem; }
.tag { padding: 0 10px; border-radius: 4px; background: var(--wine); color: #fff; font-size: .72rem; }
.tag--sub { background: var(--ink-light); }

/* section */
.section { padding: 100px 0; }
.section__head { margin-bottom: 48px; text-align: center; }
.section__title { font-size: clamp(1.6rem, 3.6vw, 2.1rem); line-height: 1.5; letter-spacing: .06em; }
.section__lead { margin-top: 12px; color: var(--ink-light); }
.eyebrow { margin-bottom: 8px; color: var(--wine); font-size: .8rem; font-weight: 700; letter-spacing: .3em; text-transform: uppercase; }
.eyebrow--light { color: var(--lamp); }

/* about */
.about__inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: center; }
.about__text .section__title { margin-bottom: 24px; }
.about__text p + p { margin-top: 16px; }
.about__facts { display: grid; gap: 16px; }
.about__facts li {
  display: flex; align-items: baseline; gap: 16px; padding: 18px 28px;
  background: var(--paper); border-left: 4px solid var(--wine); border-radius: 0 var(--radius) var(--radius) 0;
}
.about__facts strong { font-family: "Hiragino Mincho ProN", "Yu Mincho", serif; font-size: 2.4rem; line-height: 1; color: var(--wine); }

/* stage */
.stage { background: var(--stage); color: #fff; }
.stage__grid { display: grid; grid-template-columns: 340px 1fr; gap: 56px; align-items: start; }
.poster {
  position: relative; aspect-ratio: 1 / 1.414; border-radius: 6px; overflow: hidden;
  background: var(--stage-light);
  box-shadow: 0 24px 48px rgba(0,0,0,.45);
}
.poster img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.poster__title { position: absolute; top: 10%; left: 12%; font-size: 2rem; line-height: 1.35; letter-spacing: .12em; writing-mode: vertical-rl; height: 60%; text-shadow: 0 2px 12px rgba(20,16,28,.7); }
.poster__credit { position: absolute; left: 0; right: 0; bottom: 3%; text-align: center; font-size: .66rem; letter-spacing: .2em; color: rgba(255,255,255,.85); }
.stage__catch { font-size: 1.35rem; line-height: 1.6; margin-bottom: 18px; color: var(--lamp); }
.stage__body > p { color: rgba(255,255,255,.85); }
.stage__info { margin-top: 28px; border-top: 1px solid rgba(255,255,255,.15); }
.stage__info div { display: grid; grid-template-columns: 6.5em 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.15); font-size: .93rem; }
.stage__info dt { color: var(--lamp); }

.schedule { margin-top: 64px; padding: 36px; background: var(--stage-light); border-radius: var(--radius); }
.schedule__title { margin-bottom: 18px; font-size: 1.2rem; }
.schedule__scroll { overflow-x: auto; }
.schedule__table { width: 100%; min-width: 440px; border-collapse: collapse; text-align: center; }
.schedule__table th, .schedule__table td { padding: 14px 12px; border-bottom: 1px solid rgba(255,255,255,.12); }
.schedule__table thead th { color: var(--lamp); font-size: .85rem; font-weight: 700; letter-spacing: .1em; }
.schedule__table tbody th { text-align: left; font-weight: 700; }
.schedule__table small { color: rgba(255,255,255,.6); font-weight: 400; }
.seat { margin-left: 4px; color: #9ed9a6; }
.seat--few { color: #f5a38f; }
.badge { margin-left: 4px; padding: 1px 8px; border-radius: 4px; background: var(--wine); font-size: .7rem; }
.schedule__note { margin-top: 14px; font-size: .8rem; color: rgba(255,255,255,.6); }

/* members */
.members { background: var(--paper); }
.members__sub, .works__sub {
  display: flex; align-items: center; gap: 16px; margin: 0 0 24px; font-size: 1.1rem; color: var(--wine);
}
.members__sub::after, .works__sub::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.members__list + .members__sub { margin-top: 56px; }
.members__list { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr)); gap: 24px; }
.member {
  position: relative; padding: 32px 28px 28px; background: var(--white); border-radius: var(--radius);
  box-shadow: 0 6px 20px rgba(42,34,48,.06); transition: transform .25s, box-shadow .25s;
}
.member:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(42,34,48,.1); }
.member__avatar {
  display: block; width: 96px; height: 96px; margin-bottom: 18px; border-radius: 50%; object-fit: cover;
  background: #f4ecdd; box-shadow: 0 0 0 4px var(--white), 0 0 0 5px var(--line);
}
.member__cast {
  display: inline-block; margin-bottom: 10px; padding: 2px 12px; border-radius: 999px;
  background: var(--stage); color: var(--lamp-light); font-size: .78rem;
}
.member__cast b { color: var(--lamp); }
.member h4 { font-size: 1.25rem; line-height: 1.5; }
.member h4 small { display: block; font-family: "Hiragino Sans", system-ui, sans-serif; font-size: .72rem; font-weight: 400; color: var(--ink-light); letter-spacing: .12em; }
.member__role { margin: 6px 0 12px; color: var(--wine); font-size: .85rem; font-weight: 700; }
.member > p:last-child { font-size: .9rem; color: var(--ink-light); }
.member--guest::before {
  content: "GUEST"; position: absolute; top: 18px; right: 18px; padding: 1px 10px; border-radius: 4px;
  border: 1px solid var(--wine); color: var(--wine); font-size: .7rem; font-weight: 700; letter-spacing: .15em;
}

/* works */
.works__list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.work { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.work__visual {
  display: grid; place-items: center; aspect-ratio: 16 / 10;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif; font-size: 1.6rem; letter-spacing: .3em; color: #fff;
  text-shadow: 0 2px 12px rgba(0,0,0,.25);
}
.work__visual img { width: 100%; height: 100%; object-fit: cover; display: block; }
.work__body { padding: 24px; }
.work__meta { color: var(--ink-light); font-size: .8rem; }
.work h3 { margin: 4px 0 10px; font-size: 1.2rem; }
.work__body > p:last-child { font-size: .9rem; color: var(--ink-light); }
.works__list + .works__sub { margin-top: 64px; }

.history { border-top: 1px solid var(--line); }
.history li {
  display: grid; grid-template-columns: 4.5em 7.5em 1fr; gap: 4px 20px; align-items: baseline;
  padding: 16px 8px; border-bottom: 1px solid var(--line);
}
.history__no { color: var(--wine); font-size: .88rem; font-weight: 700; }
.history time { color: var(--ink-light); font-size: .85rem; }
.history h4 { font-size: 1.05rem; line-height: 1.6; }
.history p { margin-top: 2px; color: var(--ink-light); font-size: .88rem; }
.history__tag {
  margin-left: 6px; padding: 1px 8px; border: 1px solid var(--wine); border-radius: 4px;
  color: var(--wine); font-family: "Hiragino Sans", system-ui, sans-serif; font-size: .7rem; font-weight: 700; vertical-align: 2px;
}
.history .history__gap { display: block; padding: 10px; background: var(--paper); color: var(--ink-light); font-size: .82rem; text-align: center; }

/* ticket */
.ticket { background: var(--paper-dark); }
.ticket__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.ticket__info .section__title { margin-bottom: 16px; }
.price { margin: 28px 0 20px; background: var(--white); border-radius: var(--radius); padding: 8px 24px; }
.price li { display: flex; justify-content: space-between; align-items: baseline; padding: 14px 0; border-bottom: 1px dashed var(--line); }
.price li:last-child { border-bottom: 0; }
.price strong { font-size: 1.5rem; color: var(--wine); }
.price small { font-size: .8rem; margin-left: 2px; }
.ticket__note { font-size: .8rem; color: var(--ink-light); }

.form { padding: 36px; background: var(--white); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(42,34,48,.08); }
.form__title { margin-bottom: 20px; font-size: 1.25rem; }
.field { display: block; margin-bottom: 16px; }
.field span { display: block; margin-bottom: 4px; font-size: .88rem; font-weight: 700; }
.field em { margin-left: 6px; padding: 0 6px; border-radius: 3px; background: var(--wine); color: #fff; font-size: .68rem; font-style: normal; }
.field input, .field select {
  width: 100%; padding: 11px 14px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--paper); font: inherit; color: inherit;
}
.field input:focus, .field select:focus { outline: 2px solid var(--lamp); outline-offset: 1px; border-color: var(--wine); }
.field .is-invalid, .field input.is-invalid, .field select.is-invalid { border-color: #c0392b; background: #fdf0ee; }
.form__row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.form__total { margin: 4px 0 18px; text-align: right; }
.form__total strong { font-family: "Hiragino Mincho ProN", "Yu Mincho", serif; font-size: 1.6rem; color: var(--wine); }
.form__total small { color: var(--ink-light); }
.form__error { margin-bottom: 14px; color: #c0392b; font-size: .88rem; }
.form__done { margin-top: 16px; padding: 16px; border-radius: 8px; background: #eef7ef; color: #2f6b3a; font-size: .9rem; }

/* access */
.access__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.access__info { margin-top: 24px; }
.access__info div { display: grid; grid-template-columns: 5em 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: .93rem; }
.access__info dt { color: var(--wine); font-weight: 700; }
.map {
  position: relative; aspect-ratio: 4 / 3; border-radius: var(--radius); overflow: hidden;
  background: #ece6da linear-gradient(90deg, rgba(0,0,0,.035) 1px, transparent 1px) 0 0 / 28px 28px;
}
.map__road { position: absolute; background: #fff; }
.map__road--h { left: 0; right: 0; top: 58%; height: 18px; }
.map__road--v { top: 0; bottom: 0; left: 38%; width: 18px; }
.map__rail { position: absolute; left: 0; right: 0; top: 20%; height: 8px; background: repeating-linear-gradient(90deg, var(--ink-light) 0 20px, #fff 20px 40px); }
.map__station { position: absolute; top: calc(20% - 34px); left: 30%; padding: 2px 10px; border-radius: 4px; background: var(--ink); color: #fff; font-size: .75rem; }
.map__pin {
  position: absolute; top: 66%; left: 54%; padding: 4px 12px; border-radius: 6px; background: var(--wine); color: #fff;
  font-size: .8rem; font-weight: 700; box-shadow: 0 6px 14px rgba(123,31,46,.35);
}
.map__pin::before { content: ""; position: absolute; left: -10px; top: 50%; width: 14px; height: 14px; margin-top: -7px; border-radius: 50%; background: var(--lamp); border: 3px solid var(--wine); }

/* workshop */
.workshop { padding: 64px 0; background: linear-gradient(120deg, var(--wine-dark), var(--wine)); color: #fff; }
.workshop__inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.workshop h2 { font-size: 1.5rem; margin-bottom: 8px; }
.workshop p { color: rgba(255,255,255,.85); }
.workshop .btn { flex-shrink: 0; }

/* footer */
.footer { background: var(--stage); color: rgba(255,255,255,.8); text-align: center; padding: 48px 0 32px; }
.footer .logo__mark { color: #fff; }
.footer__note { margin-top: 8px; font-size: .8rem; }
.footer__copy { margin-top: 16px; color: rgba(255,255,255,.5); }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s, transform .7s; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__curtain { animation: none; }
  html { scroll-behavior: auto; }
}

/* responsive */
@media (max-width: 900px) {
  .about__inner, .ticket__inner, .access__inner { grid-template-columns: 1fr; gap: 40px; }
  .stage__grid { grid-template-columns: 1fr; gap: 40px; }
  .stage__poster { max-width: 300px; margin-inline: auto; width: 100%; }
  .works__list { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; }
}

/* タブレット以下はメニューをハンバーガーに */
@media (max-width: 960px) {
  .menu-btn {
    display: grid; gap: 5px; place-content: center; width: 44px; height: 44px;
    border: 0; background: transparent; cursor: pointer;
  }
  .menu-btn span { width: 24px; height: 2px; background: var(--ink); transition: transform .2s, opacity .2s; }
  .menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav {
    position: absolute; top: 68px; left: 0; right: 0; background: var(--white);
    border-bottom: 1px solid var(--line); box-shadow: 0 10px 20px rgba(42,34,48,.08);
    display: none; max-height: calc(100vh - 68px); overflow-y: auto;
  }
  .nav.is-open { display: block; }
  .nav ul { flex-direction: column; align-items: stretch; gap: 0; width: min(1080px, 100% - 32px); margin-inline: auto; padding: 8px 0 20px; }
  .nav li a { display: block; padding: 12px 4px; border-bottom: 1px solid var(--line); }
  .nav a:not(.nav__cta)::after { display: none; }
  .nav__cta { margin-top: 12px; text-align: center; border-bottom: 0 !important; }
}

@media (max-width: 760px) {
  .sp { display: inline; }
  .hero { padding: 96px 0 230px; background-size: auto, auto 46%, auto; }
  .hero__curtain { width: 14%; }
  .hero__date { font-size: 1.2rem; }
  .news__inner { flex-direction: column; gap: 8px; }
  .section { padding: 72px 0; }
  .schedule, .form { padding: 24px 18px; }
  .schedule { margin-top: 48px; }
  .schedule__table { min-width: 0; font-size: .9rem; }
  .schedule__table th, .schedule__table td { padding: 12px 4px; }
  .schedule__table thead th { font-size: .78rem; letter-spacing: .05em; }
  .schedule__table small { display: block; font-size: .72rem; line-height: 1.2; }
  .badge { display: inline-block; margin: 2px 0 0; }
  .form__row { gap: 8px; }
  .workshop__inner { flex-direction: column; text-align: center; }
  .history li { grid-template-columns: auto 1fr; gap: 0 12px; }
  .history li > div { grid-column: 1 / -1; margin-top: 4px; }
}
