@charset "UTF-8";
/* =========================================================
   Idol Xmas Fes 2026  LP
   PC: design width 1440 / content 1000 (>=992px)
   SP: <=991px
========================================================= */

:root {
  --red: #9a1820;
  --red-btn: #a1000a;
  --red-header: hsla(357, 73%, 35%, 0.72);
  --green: #02491e;
  --gold: #c59e69;
  --gold-dark: #ae8f38;
  --brown: #37190b;
  --white: #fff;
  --font-en: "League Spartan", sans-serif;
  --font-jp: "Noto Sans JP", sans-serif;
  --font-zen: "Zen Kaku Gothic New", sans-serif;
  --font-serif: "Newsreader", "Times New Roman", serif;
  --header-h: 100px;
  --header-h-active: 70px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 1.7;
  color: var(--brown);
  background: #fff;
  overflow-x: hidden;
  overflow-x: clip;
}
img, video, iframe { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, ul { margin: 0; padding: 0; }
ul { list-style: none; }
a { color: inherit; }
button { font: inherit; }
.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
section { position: relative; scroll-margin-top: var(--header-h-active); }

.container {
  width: min(1000px, calc(100% - 32px));
  margin-inline: auto;
  position: relative;
}

/* =========================================================
   Common parts
========================================================= */
.sec-title {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 41px;
  line-height: 1;
  letter-spacing: 0.06em;
  text-align: center;
  padding-top: 0.12em; /* League Spartan cap alignment */
}
.sec-title--white { color: var(--white); }
.sec-title--gold  { color: var(--gold); }
.sec-title--brown { color: var(--brown); }

/* "coming soon..." : Newsreader Bold（デザインの書体に近いGoogle Font） */
.soon {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 32px;
  line-height: 1;
  letter-spacing: 0;
  text-align: center;
  white-space: nowrap;
}
.soon--gold  { color: var(--gold); }
.soon--white { color: var(--white); }
.soon--red   { color: var(--red); }
.soon--brown { color: var(--brown); }

/* ---------- Ticket button (+ shiny effect, same as reference site) ---------- */
.btn-ticket {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.9em;
  color: #fff;
  text-decoration: none;
  font-family: var(--font-zen);
  font-weight: 900;
  letter-spacing: 0.12em;
  background: var(--red-btn);
  border-radius: 6px;
  transition: filter .3s, transform .3s;
}
.btn-ticket:hover {
  filter: drop-shadow(0 .5rem 1rem rgba(0, 0, 0, .25));
  transform: translateY(-2px);
}
.btn-ticket .chev {
  width: .55em; height: .55em;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
  flex: none;
}
.btn-ticket--sm {
  width: 229px; height: 48px;
  font-size: 14.5px;
  letter-spacing: 0.08em;
  border: 1px solid rgba(255, 255, 255, .45);
  border-radius: 4px;
}
.btn-ticket--lg {
  display: flex;
  width: min(580px, 100%);
  height: 120px;
  margin-inline: auto;
  font-size: 24px;
  letter-spacing: 0.08em;
  border-radius: 8px;
}
.btn-ticket--lg .chev { border-width: 3px; }

.shiny { overflow: hidden; }
.shiny::after {
  content: "";
  position: absolute;
  top: -100px; left: -100px;
  width: 50px; height: 50px;
  background-image: linear-gradient(100deg, rgba(255,255,255,0) 10%, #fff 100%, rgba(255,255,255,0) 0%);
  animation: shiny 3s ease-in-out infinite;
  pointer-events: none;
}
@keyframes shiny {
  0%   { transform: scale(0) rotate(25deg);   opacity: 0; }
  50%  { transform: scale(1) rotate(25deg);   opacity: 1; }
  100% { transform: scale(500) rotate(25deg); opacity: 0; }
}

/* ---------- Scroll fade-in ---------- */
.js-fade {
  opacity: 0;
  transform: translate3d(0, 30px, 0);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
  transition-delay: var(--delay, 0s);
}
.js-fade.is-show { opacity: 1; transform: none; }
.no-js .js-fade { opacity: 1; transform: none; }

/* ---------- Loop animations ---------- */
@keyframes up-down {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(var(--swing, 10px)); }
}
@keyframes sway {
  0%, 100% { transform: rotate(calc(var(--deg, 4deg) * -1)); }
  50%      { transform: rotate(var(--deg, 4deg)); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes twinkle {
  0%, 100% { opacity: 1; }
  50%      { opacity: .35; }
}

/* =========================================================
   Header
========================================================= */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  padding-top: env(safe-area-inset-top, 0px);
  box-sizing: content-box;
  z-index: 100;
  height: var(--header-h);
  transition: height .3s;
}
/* 背景とぼかしは疑似要素に持たせる（header自体に backdrop-filter を付けると
   固定配置のSPメニューの基準がヘッダーに変わり、白いパネルが一瞬表示される不具合になるため） */
.header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: transparent;
  transition: background-color .3s;
  pointer-events: none;
}
.header.is-active { height: var(--header-h-active); }
.header.is-active::before,
body:not(.home) .header::before {
  background: var(--red-header);
  -webkit-backdrop-filter: blur(6px);
          backdrop-filter: blur(6px);
}
.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: 34px 54px;
}
.header__logo { display: block; flex: none; transition: opacity .3s; }
.header__logo:hover { opacity: .75; }
.header__logo img { width: 143px; transition: width .3s; }
.header.is-active .header__logo img { width: 124px; }

.gnav { display: flex; align-items: center; gap: 57px; }
.gnav__list { display: flex; align-items: center; gap: 34px; }
.gnav__list a {
  position: relative;
  display: block;
  color: #fff;
  text-decoration: none;
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: 0.06em;
  line-height: 1;
  padding-block: 6px 4px;
}
.gnav__list a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .35s var(--ease);
}
.gnav__list a:hover::after { transform: scaleX(1); transform-origin: left; }

.hamburger, .drawer-overlay { display: none; }

/* =========================================================
   FV
========================================================= */
.fv {
  background: var(--red) url(../img/hero-bg.webp) center / cover no-repeat;
  overflow: hidden;
}
.fv__stage {
  position: relative;
  width: 100%;
  max-width: 1920px;
  margin-inline: auto;
  aspect-ratio: 1440 / 800;
}
.fv__stage > * { position: absolute; margin: 0; }
.fv__stage img { width: 100%; }
.fv__sleigh--l { left: 0;       top: 1.25%;  width: 35.625%; z-index: 1; }
.fv__logo      { left: 26.632%; top: 12.5%;  width: 45%;     z-index: 2; }
.fv__sleigh--r { left: 52.5%;   top: 57.81%; width: 47.5%;   z-index: 3; }
.fv__date      { left: 3.125%;  top: 76.63%; width: 27.29%;  z-index: 4; }

/* opening */
.fv__logo      { animation: fvLogo 1.4s var(--ease) .2s both; }
.fv__sleigh--l { animation: fvFromLeft 1.8s var(--ease) .5s both; }
.fv__sleigh--r { animation: fvFromRight 1.8s var(--ease) .7s both; }
.fv__date      { animation: fvUp 1.2s var(--ease) 1.1s both; }
.fv__sleigh--l img { animation: up-down 4.5s ease-in-out 2.3s infinite; --swing: 12px; }
.fv__sleigh--r img { animation: up-down 5s ease-in-out 2.5s infinite;   --swing: -12px; }

@keyframes fvLogo {
  from { opacity: 0; transform: scale(.86) rotate(-4deg); }
  to   { opacity: 1; transform: none; }
}
@keyframes fvFromLeft {
  from { opacity: 0; transform: translate(-40%, 12%); }
  to   { opacity: 1; transform: none; }
}
@keyframes fvFromRight {
  from { opacity: 0; transform: translate(40%, -12%); }
  to   { opacity: 1; transform: none; }
}
@keyframes fvUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: none; }
}

/* =========================================================
   CTA / Video
========================================================= */
.cta { padding: 61px 0 80px; text-align: center; }
.cta__catch {
  margin-top: 70px;
  font-family: var(--font-zen);
  font-weight: 900;
  font-size: 36px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--gold);
  text-wrap: balance;
}
.sp-only { display: none; }
.video { margin-top: 62px; background: #000; }
.video video { width: 100%; aspect-ratio: 16 / 9; object-fit: contain; background: #000; }
.cta__link {
  display: inline-block;
  margin-top: 26px;
  font-size: 24px;
  line-height: 1.3;
  color: var(--gold);
  text-underline-offset: 5px;
  text-decoration-thickness: 1px;
  transition: opacity .3s;
}
.cta__link:hover { opacity: .7; }

/* =========================================================
   Concept
========================================================= */
.concept {
  background: var(--red) url(../img/bg-snow.webp) center top / cover no-repeat;
  min-height: 1057px;
  padding: 175px 0 120px;
  color: #fff;
  z-index: 1;
}
.concept__ornaments { position: absolute; inset: 0; pointer-events: none; }
.orn {
  position: absolute;
  top: 0;
  transform-origin: 50% 0;
  animation: sway var(--dur, 4s) ease-in-out var(--dl, 0s) infinite;
}
.orn--gift  { left: 3.19%;  width: 64px;  --deg: 3deg;   --dur: 4.2s; }
.orn--star  { left: 14.3%;  width: 82px;  --deg: 4deg;   --dur: 3.6s; --dl: -.8s; }
.orn--ball1 { left: 26.39%; width: 70px;  --deg: 3.5deg; --dur: 4.6s; --dl: -1.6s; }
.orn--ball2 { left: 68.47%; width: 68px;  --deg: 3.5deg; --dur: 4.4s; --dl: -.4s; top: -17px; }
.orn--snow  { left: 79.51%; width: 73px;  --deg: 3deg;   --dur: 3.8s; --dl: -2s;  top: 3px; }
.orn--deer  { left: 88.96%; width: 101px; --deg: 4deg;   --dur: 4.8s; --dl: -1.2s; }

.concept__row {
  display: grid;
  grid-template-columns: 428px 1fr;
  margin-top: 131px;
}
.concept__illust { position: relative; }
.concept__snowman { position: absolute; left: -89px; top: 44px;  width: 296px; }
.concept__gift    { position: absolute; left: 195px; top: 379px; width: 117px; --delay: .25s; }
.concept__snowman.is-show { animation: up-down 5s ease-in-out 1s infinite; --swing: -8px; }
.concept__desc { font-size: 16px; line-height: 2.875; max-width: 610px; }
.concept__desc p + p { margin-top: 2.875em; }

/* =========================================================
   Artists
========================================================= */
.artists { padding: 0 0 43px; overflow-x: clip; }
.artists__stars {
  width: 98.65%;
  margin-bottom: -14px;
  animation: twinkle 3.5s ease-in-out infinite;
}
.artists__list {
  display: grid;
  grid-template-columns: repeat(3, 302px);
  justify-content: space-between;
  row-gap: 40px;
  margin-top: 60px;
}
.artist__img {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 302 / 163.5;
}
.artist__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.artist:hover .artist__img img { transform: scale(1.06); }
.artist__img--blank { background: #c4c4c4; }
.artist__name {
  margin-top: 12px;
  font-family: var(--font-zen);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.5;
  text-align: center;
  color: var(--gold);
}
.artists__sub { margin-top: 78px; }
.artists__lead {
  margin-top: 62px;
  text-align: center;
  font-size: 16px;
  line-height: 1.65;
  color: var(--gold);
}
.artists__list--selection {
  grid-template-columns: repeat(2, 302px);
  justify-content: center;
  column-gap: 90px;
  margin-top: 58px;
}
.artists__note {
  margin-top: 26px;
  text-align: right;
  font-size: 14px;
  color: var(--gold);
}

/* =========================================================
   News
========================================================= */
.news { background: var(--green); padding: 54px 33px 44px 34px; }
.news__frame {
  border: 1px solid var(--gold);
  border-radius: 4px;
  padding: 25px 26px;
}
.news__frame-inner {
  border: 1px solid var(--gold);
  border-radius: 4px;
  min-height: 472px;
  padding: 52px 20px 60px;
}
.news__title { color: var(--gold-dark); }
.news .soon { margin-top: 142px; }

/* =========================================================
   Goods
========================================================= */
.goods {
  background: var(--red);
  min-height: 762px;
  padding: 97px 0 100px;
  overflow: hidden;
}
.deco { position: absolute; inset: 0; pointer-events: none; }
.deco > img { position: absolute; }
.deco__stockings { left: 1.49%; top: 0; width: 350px; transform-origin: 50% 0; animation: sway 5s ease-in-out infinite; --deg: 2deg; }
.deco__horse { left: 86.53%; top: 559px; width: 123px; transform-origin: 50% 90%; animation: sway 2.6s ease-in-out infinite; --deg: 6deg; }
.deco__flake { animation: spin 18s linear infinite; }
.deco__flake--g1 { left: 61.18%; top: 38px;  width: 59px; }
.deco__flake--g2 { left: 82.78%; top: 472px; width: 59px; animation-duration: 22s; animation-direction: reverse; }
.deco__flake--g3 { left: 7.5%;   top: 322px; width: 59px; animation-duration: 26s; }
.deco__flake--g4 { left: 91.18%; top: 329px; width: 50px; animation-duration: 14s; animation-direction: reverse; }
.deco__flake--g5 { left: 13.4%;  top: 421px; width: 50px; animation-duration: 16s; }
.goods .soon { margin-top: 224px; }

/* =========================================================
   Campaign
========================================================= */
.campaign { min-height: 1193px; padding: 75px 0 100px; }
.campaign .soon { margin-top: 425px; }

/* =========================================================
   Timetable
========================================================= */
.timetable {
  background: var(--red);
  padding: 58px 0 109px;
  overflow: hidden;
}
.deco__bunting { left: 0; top: -2px; width: 269px; transform-origin: 0 0; animation: sway 6s ease-in-out infinite; --deg: 1.5deg; }
.deco__hat { left: 85.9%; top: 49px; width: 129px; transform-origin: 20% 40%; animation: sway 3.4s ease-in-out infinite; --deg: 6deg; }
.deco__flake--t1 { left: 87.85%; top: 736px;  width: 59px; }
.deco__flake--t2 { left: 7.08%;  top: 365px;  width: 59px; animation-duration: 24s; animation-direction: reverse; }
.deco__flake--t3 { left: 91.94%; top: 602px;  width: 57px; animation-duration: 15s; }
.deco__flake--t4 { left: 4.44%;  top: 1093px; width: 57px; animation-duration: 17s; animation-direction: reverse; }
.timetable__box {
  margin-top: 64px;
  background: #fff;
  border-radius: 10px;
  min-height: 994px;
  padding: 458px 20px 60px;
}

/* =========================================================
   Info
========================================================= */
.info { padding: 74px 0 150px; }
.info__row {
  display: grid;
  grid-template-columns: 463px 1fr;
  column-gap: 115px;
  margin-top: 6px;
}
.info__map {
  margin-top: 51px;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 463 / 542;
  background: #eee;
}
.info__map { position: relative; }
.info__map iframe { position: relative; z-index: 1; width: 100%; height: 100%; border: 0; }
/* 地図の埋め込みが使えない環境用の静的地図（通常はiframeの下に隠れる） */
.info__map-static { position: absolute; inset: 0; display: block; }
.info__map-static img { width: 100%; height: 100%; object-fit: cover; }
.info__map.is-static iframe { display: none; }
.info__desc { grid-column: 2; grid-row: 1 / span 2; position: relative; font-size: 16px; line-height: 1.6; --delay: .15s; }
.info__desc p + p { margin-top: 15px; }
.info__desc b { font-weight: 700; }
.info__event { font-size: 18px; font-weight: 700; margin-bottom: 22px; }
.info__holly { position: absolute; right: -90px; bottom: -40px; width: 143px; animation: sway 4s ease-in-out infinite; --deg: 5deg; transform-origin: 20% 80%; }

/* =========================================================
   Ticket
========================================================= */
.ticket__box {
  border: 1px solid var(--gold);
  border-radius: 10px;
  padding: 60px 120px 60px;
}
.ticket__title {
  font-size: 33px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.07em;
  text-align: center;
}
.ticket__lead {
  width: fit-content;
  max-width: 100%;
  margin: 40px auto 0;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.78;
}
.ticket__price {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 30px;
  font-family: var(--font-jp);
  line-height: 1;
}
.ticket__price-regular { color: var(--brown); font-weight: 700; }
.ticket__price-label { display: block; font-size: 12px; margin-bottom: 4px; }
.ticket__price-num {
  position: relative;
  display: flex;
  align-items: flex-end;
  font-size: 26px;
  letter-spacing: 0.02em;
  line-height: 1;
  font-feature-settings: "palt";
}
.ticket__price-num .ticket__price-yen { font-size: 14px; margin-left: 2px; }
.ticket__price-num .ticket__price-yen small { font-size: 8px; margin-bottom: 2px; }
/* 取り消し線（金額〜円まで一本で通す） */
.ticket__price-num::after {
  content: "";
  position: absolute;
  left: -2px; right: -2px;
  bottom: 0.36em;
  height: 2px;
  background: var(--brown);
}
.ticket__price-arrow {
  width: 0; height: 0;
  border-style: solid;
  border-width: 9px 0 9px 12px;
  border-color: transparent transparent transparent var(--brown);
  margin-top: 14px;
}
.ticket__price-sale {
  display: flex;
  align-items: flex-end;
  color: var(--red-btn);
  font-weight: 900;
  font-size: 58px;
  letter-spacing: 0.02em;
}
.ticket__price-yen {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-left: 4px;
  font-size: 30px;
  line-height: 1;
}
.ticket__price-yen small { font-size: 11px; font-weight: 700; margin-bottom: 4px; }
.ticket__sponsor {
  display: block;
  width: 401px;
  max-width: 100%;
  margin: 36px auto 0;
  border-radius: 6px;
  overflow: hidden;
  transition: filter .3s, transform .3s;
}
.ticket__sponsor:hover { filter: drop-shadow(0 .5rem 1rem rgba(0,0,0,.15)); transform: translateY(-2px); }
.ticket__sale-name {
  margin-top: 60px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
}
.ticket__sale-date {
  margin-top: 10px;
  font-size: 22px;
  font-weight: 500;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.ticket__sale-date small { font-size: 76%; }
.pc-only { display: inline; }
.info__present {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 4px;
  background: var(--red);
  color: #fff;
  font-weight: 700;
}
.info__maplink {
  grid-column: 1;
  grid-row: 2;
  justify-self: start;
  margin-top: 12px;
  font-size: 14px;
  color: var(--brown);
  text-underline-offset: 4px;
  transition: opacity .3s;
}
.info__maplink:hover { opacity: .6; }
.ticket__btns {
  display: grid;
  justify-items: center;
  gap: 40px;
  margin-top: 40px;
}
.ticket__btn { display: block; width: 360px; max-width: 100%; transition: filter .3s, transform .3s; }
.ticket__btn:hover { filter: drop-shadow(0 .5rem 1rem rgba(0,0,0,.15)); transform: translateY(-2px); }
.ticket__subtitle {
  margin-top: 64px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
}
.ticket__notes {
  margin-top: 50px;
  font-size: 12px;
  line-height: 2.5;
  font-weight: 500;
}
.ticket__notes p + p { margin-top: 24px; }

/* =========================================================
   Sponsors / Contact
========================================================= */
.sponsors { padding: 132px 0 0; }
.contact  { padding: 120px 0 140px; }
.plain-center {
  margin-top: 90px;
  text-align: center;
  font-size: 16px;
  line-height: 1.875;
}
.contact .plain-center { line-height: 1.55; margin-top: 72px; }
.plain-center a { text-underline-offset: 4px; transition: opacity .3s; }
.plain-center a:hover { opacity: .6; }

/* =========================================================
   Footer
========================================================= */
.footer {
  background: var(--red);
  color: #fff;
  text-align: center;
  padding: 33px 0 30px;
}
.footer__logo { display: block; width: 234px; margin-inline: auto; transition: transform .4s var(--ease); }
.footer__logo:hover { transform: scale(1.04) rotate(-2deg); }
.footer__sns { display: block; width: 63px; margin: 43px auto 0; transition: opacity .3s; }
.footer__sns:hover { opacity: .7; }
.footer__copy { margin-top: 32px; font-size: 16px; line-height: 1.5; }
.footer__copy small { font-size: inherit; }

/* =========================================================
   Tablet (992 - 1279) : tighten header
========================================================= */
@media (min-width: 992px) and (max-width: 1279px) {
  .header__inner { padding-inline: 20px; }
  .gnav { gap: 20px; }
  .gnav__list { gap: 16px; }
  .gnav__list a { font-size: 14px; }
  .header__logo img { width: 116px; }
  .btn-ticket--sm { width: 190px; font-size: 13px; }
}
@media (min-width: 992px) and (max-width: 1100px) {
  .concept__row { grid-template-columns: 38% 1fr; }
  .concept__snowman { left: -40px; width: 250px; }
  .concept__gift { left: 170px; }
  .artists__list { grid-template-columns: repeat(3, 30%); }
  .artists__list--selection { grid-template-columns: repeat(2, 30%); }
  .info__row { grid-template-columns: 44% 1fr; column-gap: 60px; }
  .info__holly { right: -20px; }
}

/* =========================================================
   SP (<= 991)
========================================================= */
@media (max-width: 991px) {
  :root { --header-h: 64px; --header-h-active: 56px; }
  body { font-size: 14px; }
  html { overflow-x: hidden; overflow-x: clip; }
  .header__inner { padding-inline: 16px 0; }
  .header__logo img, .header.is-active .header__logo img { width: 112px; }

  /* hamburger */
  .hamburger {
    display: block;
    position: relative;
    z-index: 120;
    width: 64px; height: 64px;
    border: 0; background: transparent;
    cursor: pointer;
  }
  .hamburger span,
  .hamburger span::before,
  .hamburger span::after {
    position: absolute; left: 50%;
    width: 28px; height: 2px;
    margin-left: -14px;
    background: #fff;
    transition: transform .35s var(--ease), background-color .35s, top .35s var(--ease);
  }
  .hamburger span { top: 50%; margin-top: -1px; }
  .hamburger span::before, .hamburger span::after { content: ""; left: 0; margin-left: 0; }
  .hamburger span::before { top: -9px; }
  .hamburger span::after  { top: 9px; }
  .is-drawer-open .hamburger span { background: transparent; }
  .is-drawer-open .hamburger span::before { top: 0; transform: rotate(45deg);  background: var(--red); }
  .is-drawer-open .hamburger span::after  { top: 0; transform: rotate(-45deg); background: var(--red); }

  /* drawer */
  .gnav {
    position: fixed;
    top: 0; right: 0;
    z-index: 110;
    width: min(320px, 82vw);
    height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    gap: 32px;
    padding: 88px 28px 40px;
    background: #fff;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform .45s var(--ease);
  }
  .is-drawer-open .gnav { transform: none; box-shadow: -10px 0 30px rgba(0,0,0,.2); }
  .gnav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .gnav__list li { border-bottom: 1px solid rgba(154, 24, 32, .15); }
  .gnav__list a {
    color: var(--red);
    font-size: 18px;
    font-weight: 700;
    padding: 18px 4px 14px;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity .4s, transform .4s var(--ease);
  }
  .gnav__list a::after { display: none; }
  .is-drawer-open .gnav__list a { opacity: 1; transform: none; }
  .is-drawer-open .gnav__list li:nth-child(1) a { transition-delay: .10s; }
  .is-drawer-open .gnav__list li:nth-child(2) a { transition-delay: .14s; }
  .is-drawer-open .gnav__list li:nth-child(3) a { transition-delay: .18s; }
  .is-drawer-open .gnav__list li:nth-child(4) a { transition-delay: .22s; }
  .is-drawer-open .gnav__list li:nth-child(5) a { transition-delay: .26s; }
  .is-drawer-open .gnav__list li:nth-child(6) a { transition-delay: .30s; }
  .is-drawer-open .gnav__list li:nth-child(7) a { transition-delay: .34s; }
  .is-drawer-open .gnav__list li:nth-child(8) a { transition-delay: .38s; }
  .btn-ticket--sm { width: 100%; height: 56px; font-size: 15px; border: 0; flex: none; }

  .drawer-overlay {
    display: block;
    position: fixed; inset: 0;
    z-index: 90; /* ヘッダー(100)より下：メニュー内リンクを塞がない */
    background: rgba(0, 0, 0, .45);
    opacity: 0;
    visibility: hidden;
    transition: opacity .4s, visibility .4s;
  }
  .is-drawer-open .drawer-overlay { opacity: 1; visibility: visible; }
  .is-drawer-open { overflow: hidden; }

  /* FV */
}
@media (max-width: 599px) {
  .fv { background-position: 38% center; }
  .fv__stage { aspect-ratio: 375 / 700; }
  .fv__sleigh--l { left: -6%;  top: 9.4%;  width: 58%; }
  .fv__logo      { left: 13%;  top: 29.3%; width: 74%; }
  .fv__sleigh--r { left: 38%;  top: 66%;   width: 66%; }
  .fv__date      { left: 6%;   top: 85%;   width: 60%; }
}
@media (max-width: 991px) {

  /* common */
  .sec-title { font-size: 32px; }
  .soon { font-size: 26px; }

  /* CTA */
  .cta { padding: 40px 0 48px; }
  .btn-ticket--lg { height: 84px; font-size: 19px; }
  .cta__catch { margin-top: 40px; font-size: 22px; line-height: 1.5; }
  .sp-only { display: inline; }
  .video { margin-top: 28px; }
  .cta__link { font-size: 16px; margin-top: 16px; }

  /* Concept */
  .concept { min-height: 0; padding: 150px 0 60px; }
  .orn--gift  { width: 36px; left: 3%; }
  .orn--star  { width: 46px; left: 17%; }
  .orn--ball1 { width: 40px; left: 31%; }
  .orn--ball2 { width: 38px; left: 60%; top: -10px; }
  .orn--snow  { width: 41px; left: 74%; }
  .orn--deer  { width: 56px; left: 85%; }
  .concept__row { grid-template-columns: 1fr; margin-top: 36px; }
  .concept__illust { order: 2; height: 230px; margin-top: 32px; }
  .concept__snowman { left: 50%; top: 0; width: 160px; margin-left: -110px; }
  .concept__gift    { left: 50%; top: 150px; width: 70px; margin-left: 50px; }
  .concept__desc { order: 1; font-size: 14px; line-height: 2.2; }
  .concept__desc p + p { margin-top: 1.6em; }

  /* Artists */
  .artists { padding-bottom: 50px; }
  .artists__stars { width: 140%; max-width: none; margin-left: -20%; margin-bottom: 0; }
  .artists__list { grid-template-columns: repeat(2, 1fr); column-gap: 16px; row-gap: 22px; margin-top: 36px; }
  .artists__list--selection { grid-template-columns: repeat(2, 1fr); column-gap: 16px; margin-top: 30px; }
  .artist__name { font-size: 14px; margin-top: 8px; }
  .artists__list > li:last-child:nth-child(odd) { grid-column: 1 / -1; justify-self: center; width: calc(50% - 8px); }
  .artists__sub { margin-top: 56px; font-size: 22px; }
  .artists__lead { margin-top: 24px; font-size: 13px; }
  .artists__note { font-size: 12px; margin-top: 18px; }

  /* News */
  .news { padding: 32px 14px; }
  .news__frame { padding: 12px; }
  .news__frame-inner { min-height: 300px; padding: 44px 16px; }
  .news .soon { margin-top: 80px; }

  /* Goods */
  .goods { min-height: 0; padding: 150px 0 190px; }
  .deco__stockings { width: 180px; left: 2%; }
  .deco__horse { width: 70px; left: auto; right: 6%; top: auto; bottom: 30px; }
  .deco__flake--g1 { left: 72%; top: 24px; width: 36px; }
  .deco__flake--g2 { left: 80%; top: 250px; width: 36px; }
  .deco__flake--g3 { left: 6%;  top: 260px; width: 36px; }
  .deco__flake--g4 { left: 88%; top: 150px; width: 30px; }
  .deco__flake--g5 { left: 20%; top: 340px; width: 30px; }
  .goods .soon { margin-top: 90px; }

  /* Campaign */
  .campaign { min-height: 0; padding: 70px 0 120px; }
  .campaign .soon { margin-top: 120px; }

  /* Timetable */
  .timetable { padding: 100px 0 70px; }
  .deco__bunting { width: 150px; }
  .deco__hat { width: 70px; left: auto; right: 5%; top: 20px; }
  .deco__flake--t1 { left: 88%; top: auto; bottom: 20px; width: 34px; }
  .deco__flake--t2 { left: 3%;  top: 300px; width: 34px; }
  .deco__flake--t3, .deco__flake--t4 { display: none; }
  .timetable__box { margin-top: 36px; min-height: 420px; padding: 190px 16px 40px; }

  /* Info */
  .info { padding: 64px 0 80px; }
  .info__row { grid-template-columns: 1fr; row-gap: 32px; margin-top: 36px; }
  .info__map { margin-top: 0; aspect-ratio: 4 / 3; }
  .info__desc { font-size: 14px; }
  .info__holly { width: 84px; right: 0; bottom: -10px; }

  /* Ticket */
  .ticket__box { padding: 44px 18px; }
  .ticket__title { font-size: 26px; }
  .pc-only { display: none; }
  .ticket__lead { margin-top: 28px; font-size: 13px; }
  .ticket__price { gap: 10px; margin-top: 24px; }
  .ticket__price-num { font-size: 18px; }
  .ticket__price-sale { font-size: 44px; }
  .ticket__price-yen { font-size: 22px; }
  .ticket__sponsor { margin-top: 28px; }
  .ticket__sale-name { margin-top: 44px; font-size: 19px; }
  .ticket__sale-date { font-size: 16px; }
  .info__maplink { grid-row: auto; margin-top: -20px; }
  .info__desc { grid-column: auto; grid-row: auto; }
  .ticket__btns { margin-top: 36px; gap: 20px; }
  .ticket__btn { width: 300px; }
  .ticket__subtitle { font-size: 20px; margin-top: 50px; }
  .ticket__notes { margin-top: 28px; line-height: 2.1; }

  /* Sponsors / Contact */
  .sponsors { padding-top: 80px; }
  .contact { padding: 80px 0 90px; }
  .plain-center, .contact .plain-center { margin-top: 32px; font-size: 14px; }

  /* Footer */
  .footer__logo { width: 180px; }
  .footer__sns { width: 44px; margin-top: 28px; }
  .footer__copy { font-size: 12px; margin-top: 24px; }
}

/* =========================================================
   Reduced motion
========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .js-fade { opacity: 1; transform: none; }
}

/* =========================================================
   Sub page : NEWS detail
========================================================= */
body:not(.home) .header {
  position: sticky;
  top: 0;
  height: var(--header-h-active);
}
body:not(.home) .header__logo img { width: 124px; }
.news-page { padding: 64px 0 120px; }
.news-page__title {
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  letter-spacing: 0.02em;
}
.news-page__cat { margin-top: 22px; font-size: 24px; font-weight: 700; line-height: 1.4; }
.interview { max-width: 846px; margin: 88px auto 0; }
.interview + .interview { margin-top: 64px; padding-top: 64px; border-top: 2px solid var(--red-btn); }
.interview__banner { width: 100%; }
.interview__body { margin-top: 64px; font-size: 16px; font-weight: 500; line-height: 1.8; }
.interview__body p + p { margin-top: 1.8em; }
.btn-x {
  display: flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  margin: 28px 0 0 auto;
  padding: 7px 16px 7px 18px;
  border-radius: 999px;
  background: #000;
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: opacity .3s, transform .3s;
}
.btn-x svg { width: 18px; height: 18px; }
.btn-x:hover { opacity: .8; transform: translateY(-2px); }
.interview__sign {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  font-size: 14px;
  font-weight: 500;
  text-align: right;
}
.news-page__back { margin-top: 80px; text-align: center; }
.news-page__back a {
  display: inline-block;
  padding: 14px 48px;
  border: 1px solid var(--brown);
  border-radius: 999px;
  text-decoration: none;
  font-weight: 500;
  transition: background-color .3s, color .3s;
}
.news-page__back a:hover { background: var(--brown); color: #fff; }
@media (max-width: 991px) {
  .news-page { padding: 44px 0 80px; }
  .news-page__title { font-size: 32px; }
  .news-page__cat { font-size: 18px; }
  .interview { margin-top: 36px; }
  .interview__body { margin-top: 32px; font-size: 14px; }
  .interview + .interview { margin-top: 48px; padding-top: 48px; }
}