@charset "utf-8";
/* ============================================================
   来週のヒーローズ / The Next Week's Heroes -- Official Site
   style.css
   ------------------------------------------------------------
   [ 差し替えポイント ]
   ・スプラッシュ / ヒーロー画像 → 下の --img-splash / --img-hero
   ・配色                       → :root のカラートークン
   ============================================================ */

/* ------------------------------------------------------------
   1. Design Tokens
------------------------------------------------------------ */
:root {
  /* --- 画像（ここだけ差し替えれば全体に反映されます） --- */
  /* 例: --img-splash: url("images/splash.jpg"); */
  --img-splash: url("images/splash.svg");
  --img-hero:   url("images/hero.svg");

  /* トップの背景スライドショーの濃さ（0=見えない 〜 1=くっきり）と切り替え速度。
     画像が明るくて文字が読みにくいときは数値を下げてください */
  --hero-slide-opacity: .42;
  --hero-slide-fade: 2.4s;   /* フェードにかける時間 */
  --hero-slide-drift: 11s;   /* ゆっくり寄る動きの時間 */

  /* --- Color --- */
  --c-bg:        #08080a;
  --c-bg-alt:    #0e0e12;
  --c-surface:   #141419;
  --c-surface-2: #1c1c23;
  --c-line:      #2a2a33;
  --c-line-soft: rgba(255, 255, 255, .09);

  --c-orange:      #ff6a00;
  --c-orange-lt:   #ff9d3c;
  --c-orange-deep: #d94e00;
  --grad-orange: linear-gradient(100deg, var(--c-orange-deep), var(--c-orange) 45%, var(--c-orange-lt));

  --c-text:      #f2f2f4;
  --c-text-mute: #a5a5b0;
  /* 日付・価格など小さい文字にも使うので、黒背景で4.5:1を確保した明度 */
  --c-text-dim:  #7e7e8a;

  /* --- Typography --- */
  --f-jp: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  --f-en: "Oswald", "Arial Narrow", var(--f-jp);
  --f-mono: "Roboto Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  /* --- Layout --- */
  --w-max: 1160px;
  --pad-x: clamp(20px, 5vw, 56px);
  --h-nav: 68px;
  --h-nav-sm: 60px;

  /* --- Motion --- */
  --e-out: cubic-bezier(.16, 1, .3, 1);
  --e-io:  cubic-bezier(.65, 0, .35, 1);
  --t-fast: .2s var(--e-io);
  --t-mid:  .45s var(--e-out);

  --z-splash: 9999;
  --z-nav: 900;
  --z-drawer: 880;
}

/* ------------------------------------------------------------
   2. Reset / Base
------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--h-nav) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--c-bg);
  color: var(--c-text);
  font-family: var(--f-jp);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: .04em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 画面全体にかける微光。フラットさを消すための下地 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: .55;
  background:
    radial-gradient(120% 60% at 50% -10%, rgba(255, 106, 0, .09), transparent 60%),
    radial-gradient(90% 50% at 50% 110%, rgba(255, 106, 0, .05), transparent 60%);
}

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--c-orange); color: #fff; }

/* キーボード操作時だけリングを出す */
:focus-visible {
  outline: 2px solid var(--c-orange-lt);
  outline-offset: 3px;
  border-radius: 2px;
}

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

.skip-link {
  position: fixed;
  top: 8px; left: 8px;
  z-index: calc(var(--z-splash) + 1);
  padding: 10px 18px;
  background: var(--c-orange);
  color: #fff;
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform var(--t-fast);
}
.skip-link:focus-visible { transform: translateY(0); }

/* ------------------------------------------------------------
   3. Layout Utilities
------------------------------------------------------------ */
.l-wrap {
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}
.l-wrap--narrow { max-width: 900px; }

.l-section { position: relative; z-index: 2; padding-block: clamp(72px, 11vw, 132px); }
.l-section--alt { background: var(--c-bg-alt); border-block: 1px solid var(--c-line-soft); }

/* --- セクション見出し（番号 + 英字 + 和文の3層） --- */
.sec-head { margin-bottom: clamp(32px, 5vw, 56px); }

.sec-head__label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--c-orange);
  margin-bottom: 10px;
}
.sec-head__label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--c-orange), transparent);
  opacity: .55;
}

.sec-head__title {
  font-family: var(--f-en);
  font-size: clamp(2rem, 6.4vw, 3.4rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.sec-head__ja {
  display: block;
  margin-top: 8px;
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--c-text-mute);
}

/* --- Button --- */
.btn {
  --btn-fg: var(--c-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 48px;
  padding: 0 30px;
  position: relative;
  font-family: var(--f-en);
  font-size: .95rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--btn-fg);
  border: 1px solid var(--c-line);
  background: var(--c-surface);
  overflow: hidden;
  isolation: isolate;
  transition: color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--grad-orange);
  transform: translateX(-101%);
  transition: transform .4s var(--e-out);
}
.btn:hover, .btn:focus-visible { --btn-fg: #fff; border-color: transparent; }
.btn:hover::before, .btn:focus-visible::before { transform: translateX(0); }
.btn:active { transform: translateY(1px); }
.btn__arrow { transition: transform var(--t-fast); }
.btn:hover .btn__arrow { transform: translateX(4px); }

.btn--primary { background: var(--grad-orange); border-color: transparent; color: #fff; font-weight: 700; }
.btn--primary::before { background: #fff; opacity: .18; }

/* ------------------------------------------------------------
   4. Splash
   JSが動いている時だけ <html> に .is-splashing が付いて表示。
   （JSが落ちてもサイトを覆い続けない安全設計）
------------------------------------------------------------ */
.splash {
  position: fixed;
  inset: 0;
  z-index: var(--z-splash);
  display: none;
  place-items: center;
  background: var(--c-bg);
  overflow: hidden;
}
html.is-splashing .splash { display: grid; }
html.is-splashing body { overflow: hidden; }

/* 画像レイヤー。ファイルが無ければ下地のベタ塗りが出るだけで崩れません */
.splash__media {
  position: absolute;
  inset: 0;
  background-color: #101014;
  background-image: var(--img-splash);
  background-size: cover;
  background-position: center;
  opacity: 0;
  animation: splashMedia 3.6s var(--e-out) forwards;
}
.splash__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(closest-side at 50% 50%, rgba(8, 8, 10, .35), rgba(8, 8, 10, .88)),
    linear-gradient(180deg, rgba(8, 8, 10, .6), transparent 35%, rgba(8, 8, 10, .78));
}

.splash__inner { position: relative; text-align: center; padding: 24px; }

.splash__title {
  font-size: clamp(1.9rem, 8vw, 4.2rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: .14em;
}
/* 1文字ずつ立ち上がる（JSでspanに分割） */
.splash__char {
  display: inline-block;
  opacity: 0;
  transform: translateY(.7em);
  animation: charIn .8s var(--e-out) forwards;
  animation-delay: calc(var(--i, 0) * 55ms + 220ms);
}
.splash__rule {
  width: 0;
  height: 2px;
  margin: 22px auto 18px;
  background: var(--grad-orange);
  animation: ruleIn .9s var(--e-out) .95s forwards;
}
.splash__sub {
  font-family: var(--f-en);
  font-size: clamp(.72rem, 2.6vw, 1.05rem);
  font-weight: 400;
  letter-spacing: .42em;
  text-transform: uppercase;
  color: var(--c-orange-lt);
  opacity: 0;
  animation: fadeUp .9s var(--e-out) 1.15s forwards;
}

.splash__skip {
  position: absolute;
  bottom: clamp(20px, 6vh, 48px);
  left: 50%;
  transform: translateX(-50%);
  min-height: 44px;
  padding: 0 20px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--c-text-dim);
  opacity: 0;
  animation: fadeUp .6s var(--e-out) 1.7s forwards;
  transition: color var(--t-fast);
}
.splash__skip:hover { color: var(--c-orange-lt); }

.splash.is-leaving { animation: splashOut .8s var(--e-io) forwards; pointer-events: none; }

@keyframes splashMedia {
  0%   { opacity: 0; transform: scale(1.12); }
  40%  { opacity: 1; }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes charIn { to { opacity: 1; transform: translateY(0); } }
@keyframes ruleIn { to { width: min(280px, 60vw); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes splashOut { to { opacity: 0; visibility: hidden; transform: scale(1.04); } }

/* ------------------------------------------------------------
   5. Header / Navigation
------------------------------------------------------------ */
.nav {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: var(--h-nav);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--t-mid), border-color var(--t-mid), backdrop-filter var(--t-mid);
}
/* ヒーローの上では透過、スクロールしたら実体化 */
.nav.is-stuck,
.nav--solid {
  background: rgba(8, 8, 10, .82);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--c-line-soft);
}

/* common/menuBar.html を読み込めなかったときの最小構成。
   ドロワーが無いので、横並びリンクを画面幅にかかわらず出します */
.nav--fallback .nav__list { display: flex; }
.nav--fallback .nav__toggle { display: none; }

.nav__inner {
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.nav__brand { display: flex; align-items: center; gap: 11px; min-height: 44px; }
.nav__mark {
  width: 26px; height: 26px;
  flex: none;
  background: var(--grad-orange);
  clip-path: polygon(50% 0, 100% 26%, 100% 74%, 50% 100%, 0 74%, 0 26%);
  transition: transform var(--t-mid);
}
.nav__brand:hover .nav__mark { transform: rotate(180deg); }
.nav__brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.nav__brand-ja { font-size: .95rem; font-weight: 700; letter-spacing: .1em; }
.nav__brand-en {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: .2em;
  color: var(--c-text-dim);
  text-transform: uppercase;
}

/* --- PC: 横並びリンク --- */
.nav__list { display: flex; align-items: center; gap: clamp(8px, 2.4vw, 30px); }
.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-inline: 4px;
  font-family: var(--f-en);
  font-size: .92rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-text-mute);
  transition: color var(--t-fast);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 11px;
  width: 100%; height: 2px;
  background: var(--grad-orange);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .35s var(--e-out);
}
.nav__link:hover, .nav__link:focus-visible { color: var(--c-text); }
.nav__link:hover::after, .nav__link:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav__link[aria-current="page"] { color: var(--c-text); }
.nav__link[aria-current="page"]::after { transform: scaleX(1); }

/* --- ハンバーガー（SP専用） --- */
.nav__toggle {
  display: none;
  position: relative;
  width: 46px; height: 46px;
  margin-right: -10px;
  z-index: calc(var(--z-drawer) + 10);
}
.nav__toggle-bar {
  position: absolute;
  left: 11px;
  width: 24px; height: 2px;
  background: var(--c-text);
  transition: transform .4s var(--e-out), opacity .2s linear;
}
.nav__toggle-bar:nth-child(1) { top: 16px; }
.nav__toggle-bar:nth-child(2) { top: 22px; }
.nav__toggle-bar:nth-child(3) { top: 28px; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) { opacity: 0; transform: scaleX(.2); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --- 全画面ドロワー --- */
.drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-drawer);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--h-nav) var(--pad-x) 0;
  background: linear-gradient(160deg, #101014, #08080a 60%);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity .38s var(--e-out), transform .38s var(--e-out), visibility .38s;
}
.drawer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--img-hero) center / cover no-repeat;
  opacity: .1;
  filter: grayscale(1) contrast(1.2);
}
.drawer.is-open { opacity: 1; visibility: visible; transform: translateY(0); }

.drawer__list { position: relative; display: flex; flex-direction: column; gap: 4px; }
.drawer__item { opacity: 0; transform: translateY(18px); }
.drawer.is-open .drawer__item {
  animation: fadeUp .5s var(--e-out) forwards;
  animation-delay: calc(var(--i, 0) * 70ms + 100ms);
}
.drawer__link {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--c-line-soft);
  transition: padding-left var(--t-fast), border-color var(--t-fast);
}
.drawer__link:hover, .drawer__link:focus-visible { padding-left: 14px; border-bottom-color: var(--c-orange); }
.drawer__num { font-family: var(--f-mono); font-size: 11px; color: var(--c-orange); letter-spacing: .1em; }
.drawer__en {
  font-family: var(--f-en);
  font-size: clamp(1.7rem, 9vw, 2.6rem);
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  line-height: 1.1;
}
.drawer__ja { font-size: .72rem; letter-spacing: .18em; color: var(--c-text-dim); margin-left: auto; }
.drawer__foot {
  position: relative;
  margin-top: 44px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--c-text-dim);
}

/* ------------------------------------------------------------
   6. Hero (index)
------------------------------------------------------------ */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-color: #0b0b10;
  background-image: var(--img-hero);
  background-size: cover;
  background-position: center;
}
.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 8, 10, .85) 0%, rgba(8, 8, 10, .4) 35%, rgba(8, 8, 10, .95) 100%),
    linear-gradient(90deg, rgba(8, 8, 10, .8), transparent 65%);
}

/* --- 背景スライドショー ---------------------------------------
   images/indexSlider/ の画像を薄く重ねて自動で入れ替えます。
   画像が1枚も見つからないときは、この層自体が作られないので
   --img-hero の静止画がそのまま表示されます。
--------------------------------------------------------------- */
.hero__slider {
  position: absolute;
  inset: 0;
  overflow: hidden;
  /* 文字が乗る左下側は薄く、右上に向かって濃くして背景に馴染ませる */
  -webkit-mask-image: linear-gradient(100deg, transparent 4%, rgba(0, 0, 0, .45) 34%, #000 72%);
  mask-image: linear-gradient(100deg, transparent 4%, rgba(0, 0, 0, .45) 34%, #000 72%);
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.07);
  will-change: opacity, transform;
  transition:
    opacity var(--hero-slide-fade) var(--e-io),
    transform var(--hero-slide-drift) linear;
}
.hero__slide.is-active { opacity: var(--hero-slide-opacity); transform: scale(1); }

/* スライドショーが動いているときは、下地の静止画を消して二重写しを防ぐ */
.hero.has-slider .hero__media { background-image: none; }
/* 走査線のアクセント */
.hero__scan {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(255, 255, 255, .028) 0 1px, transparent 1px 4px);
  mix-blend-mode: overlay;
}

.hero__inner { position: relative; padding-block: calc(var(--h-nav) + 40px) 120px; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .26em;
  color: var(--c-orange);
  margin-bottom: 22px;
}
.hero__eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--c-orange); }

.hero__title {
  font-size: clamp(2.3rem, 9vw, 5.2rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: .06em;
  text-shadow: 0 2px 40px rgba(0, 0, 0, .6);
}
.hero__title em {
  font-style: normal;
  background: var(--grad-orange);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__en {
  display: block;
  margin-top: 14px;
  font-family: var(--f-en);
  font-size: clamp(.8rem, 2.8vw, 1.25rem);
  font-weight: 400;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--c-text-mute);
}
.hero__lead {
  max-width: 30em;
  margin-top: 26px;
  color: var(--c-text-mute);
  font-size: clamp(.9rem, 2.4vw, 1rem);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }

.hero__scroll {
  position: absolute;
  left: var(--pad-x);
  bottom: 26px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .26em;
  color: var(--c-text-dim);
}
.hero__scroll-line {
  display: block;
  position: relative;
  width: 56px; height: 1px;
  background: var(--c-line);
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--c-orange);
  animation: scrollLine 2.2s var(--e-io) infinite;
}
@keyframes scrollLine {
  0%   { transform: translateX(-100%); }
  60%  { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}

/* ------------------------------------------------------------
   7. Notice
------------------------------------------------------------ */
.notice { border-top: 1px solid var(--c-line-soft); }
.notice__item { border-bottom: 1px solid var(--c-line-soft); }

.notice__link {
  display: grid;
  grid-template-columns: 124px 104px 1fr auto;
  align-items: center;
  gap: 6px 18px;
  padding: 20px 6px;
  position: relative;
  transition: background var(--t-fast), padding-left var(--t-fast);
}
.notice__link::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--grad-orange);
  transform: scaleY(0);
  transition: transform .3s var(--e-out);
}
a.notice__link:hover, a.notice__link:focus-visible { background: var(--c-surface); padding-left: 18px; }
a.notice__link:hover::before, a.notice__link:focus-visible::before { transform: scaleY(1); }

.notice__date {
  font-family: var(--f-mono);
  font-size: .82rem;
  letter-spacing: .08em;
  color: var(--c-text-dim);
}
.notice__tag {
  justify-self: start;
  min-width: 92px;
  padding: 3px 8px;
  text-align: center;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-orange-lt);
  border: 1px solid rgba(255, 106, 0, .45);
  background: rgba(255, 106, 0, .07);
}
.notice__tag[data-tag="RELEASE"] { color: #fff; background: var(--grad-orange); border-color: transparent; }
.notice__tag[data-tag="EVENT"]   { color: #7ddcff; border-color: rgba(125, 220, 255, .4); background: rgba(125, 220, 255, .07); }
.notice__tag[data-tag="MEDIA"]   { color: #c6a2ff; border-color: rgba(198, 162, 255, .4); background: rgba(198, 162, 255, .07); }

.notice__text { font-size: .95rem; line-height: 1.7; }
.notice__new {
  display: inline-block;
  margin-left: 10px;
  padding: 1px 7px;
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: .12em;
  color: #fff;
  background: #e02020;
  vertical-align: 2px;
}
.notice__ext { color: var(--c-text-dim); transition: transform var(--t-fast), color var(--t-fast); }
a.notice__link:hover .notice__ext { color: var(--c-orange); transform: translateX(3px); }

.notice__more { margin-top: 34px; text-align: center; }

/* 読み込み中 / 該当なし / エラー の共通メッセージ */
.state-msg {
  padding: 48px 20px;
  text-align: center;
  font-size: .9rem;
  color: var(--c-text-dim);
}
.state-msg a { color: var(--c-orange-lt); border-bottom: 1px solid var(--c-line); }

/* ------------------------------------------------------------
   8. Works (一覧 / Pickup のカード)
------------------------------------------------------------ */
.filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--c-line-soft);
}
.filter__btn {
  min-height: 40px;
  padding: 0 20px;
  font-family: var(--f-en);
  font-size: .84rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-text-mute);
  border: 1px solid var(--c-line);
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.filter__btn:hover { color: var(--c-text); border-color: var(--c-text-dim); }
.filter__btn[aria-pressed="true"] {
  color: #fff;
  background: var(--grad-orange);
  border-color: transparent;
  font-weight: 600;
}
.filter__count { font-family: var(--f-mono); font-size: .78rem; color: var(--c-text-dim); margin-left: auto; align-self: center; }

.works {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: clamp(20px, 3vw, 34px);
}

.work {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  overflow: hidden;
  transition: transform var(--t-mid), border-color var(--t-mid), box-shadow var(--t-mid);
}
.work:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 106, 0, .55);
  box-shadow: 0 20px 46px -22px rgba(0, 0, 0, .9), 0 0 0 1px rgba(255, 106, 0, .1);
}
.work[hidden] { display: none; }

.work__thumb { position: relative; overflow: hidden; background: var(--c-surface-2); }
.work__thumb img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .7s var(--e-out), filter .5s var(--e-out);
}
.work:hover .work__thumb img { transform: scale(1.06); filter: saturate(1.1); }
.work__thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(20, 20, 25, .9));
}

.work__type {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 2;
  padding: 4px 11px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(8, 8, 10, .78);
  border: 1px solid var(--c-line);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.work__type[data-type="game"]  { border-color: rgba(255, 106, 0, .7); color: var(--c-orange-lt); }
.work__type[data-type="novel"] { border-color: rgba(125, 220, 255, .55); color: #7ddcff; }

.work__body { display: flex; flex-direction: column; flex: 1; padding: 22px 22px 24px; }

.work__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-text-dim);
  margin-bottom: 10px;
}
.work__meta span + span::before { content: "/"; margin-right: 10px; opacity: .5; }

.work__title {
  font-size: 1.16rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .04em;
  margin-bottom: 12px;
  transition: color var(--t-fast);
}
.work:hover .work__title { color: var(--c-orange-lt); }

/* 説明文は3行で切りそろえてカードの高さを揃える */
.work__desc {
  font-size: .88rem;
  line-height: 1.75;
  color: var(--c-text-mute);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  overflow: hidden;
  min-height: calc(.88rem * 1.75 * 3);
}

.work__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--c-line-soft);
}
.work__price { font-family: var(--f-mono); font-size: .8rem; color: var(--c-text-dim); }
.work__more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--f-en);
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-orange);
}
/* カード全体をクリック領域にする */
.work__more::after { content: ""; position: absolute; inset: 0; }
.work__more span { transition: transform var(--t-fast); }
.work:hover .work__more span { transform: translateX(4px); }

/* ------------------------------------------------------------
   8-b. Work Detail ( works/detail.html )
------------------------------------------------------------ */
.detail__hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: min(72svh, 640px);
  overflow: hidden;
  isolation: isolate;
}
.detail__hero-media { position: absolute; inset: 0; z-index: -1; background: #0b0b10; }
.detail__hero-media img { width: 100%; height: 100%; object-fit: cover; }
.detail__hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 8, 10, .88) 0%, rgba(8, 8, 10, .35) 40%, rgba(8, 8, 10, .96) 100%),
    linear-gradient(90deg, rgba(8, 8, 10, .75), transparent 70%);
}
.detail__hero-inner { padding-block: calc(var(--h-nav) + 48px) clamp(36px, 6vw, 64px); }

.detail__crumb {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-text-dim);
  margin-bottom: 18px;
}
.detail__crumb a { transition: color var(--t-fast); }
.detail__crumb a:hover { color: var(--c-orange-lt); }
.detail__crumb-current { color: var(--c-text-mute); }

.work__type--static { position: static; display: inline-block; margin-bottom: 14px; }

.detail__title {
  font-size: clamp(1.9rem, 6.4vw, 3.6rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: .04em;
  text-shadow: 0 2px 30px rgba(0, 0, 0, .6);
}
.detail__title-en {
  display: block;
  margin-top: 10px;
  font-family: var(--f-en);
  font-size: clamp(.78rem, 2.4vw, 1.05rem);
  font-weight: 400;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--c-orange-lt);
}

.detail__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px clamp(20px, 4vw, 44px);
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--c-line-soft);
}
.detail__fact dt {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-orange);
  margin-bottom: 3px;
}
.detail__fact dd { font-size: .95rem; font-weight: 500; }

.detail__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.detail__body { padding-block: clamp(56px, 8vw, 96px) clamp(40px, 6vw, 72px); }
.detail__block + .detail__block { margin-top: clamp(56px, 8vw, 96px); }
.detail__block .sec-head { margin-bottom: clamp(24px, 3.5vw, 36px); }
.detail__block .sec-head__title { font-size: clamp(1.5rem, 4.4vw, 2.2rem); }

.detail__text { max-width: 46em; color: var(--c-text-mute); }
.detail__text p + p { margin-top: 1.4em; }

.detail__missing { padding-block: calc(var(--h-nav) + 100px) 120px; text-align: center; }
.detail__missing .sec-head__title { margin-bottom: 18px; }
.detail__missing .about__text { margin-bottom: 30px; }

/* --- Gallery --- */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: clamp(12px, 2vw, 20px);
}
.gallery__item {
  position: relative;
  display: block;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: var(--c-surface);
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.gallery__item img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform .6s var(--e-out), opacity var(--t-fast);
}
.gallery__item:hover { border-color: rgba(255, 106, 0, .6); }
.gallery__item:hover img { transform: scale(1.05); opacity: .8; }
.gallery__zoom {
  position: absolute;
  right: 10px; bottom: 10px;
  width: 30px; height: 30px;
  display: grid;
  place-items: center;
  font-size: 15px;
  color: #fff;
  background: rgba(8, 8, 10, .78);
  border: 1px solid var(--c-line);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--t-fast), transform var(--t-fast);
}
.gallery__item:hover .gallery__zoom,
.gallery__item:focus-visible .gallery__zoom { opacity: 1; transform: translateY(0); }

/* --- Lightbox --- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 950;
  display: grid;
  place-items: center;
  padding: clamp(16px, 5vw, 56px);
  background: rgba(6, 6, 8, .95);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity .25s var(--e-io);
}
/* 閉じているときは必ず消す。
   [hidden] と .lightbox は詳細度が同じで、後に書いた display:grid が
   勝ってしまうため、透明なまま画面を覆ってクリックを奪う。そのための明示指定 */
.lightbox[hidden] { display: none; }

.lightbox.is-open { opacity: 1; }
.lightbox__figure { max-width: 100%; text-align: center; }
.lightbox__img {
  max-width: 100%;
  max-height: 78svh;
  width: auto;
  object-fit: contain;
  margin-inline: auto;
  border: 1px solid var(--c-line);
}
.lightbox__caption {
  margin-top: 16px;
  font-size: .85rem;
  letter-spacing: .08em;
  color: var(--c-text-mute);
}
.lightbox__close {
  position: absolute;
  top: clamp(10px, 3vw, 24px);
  right: clamp(10px, 3vw, 24px);
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  font-size: 28px;
  line-height: 1;
  color: var(--c-text-mute);
  border: 1px solid var(--c-line);
  background: rgba(20, 20, 25, .8);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.lightbox__close:hover { color: var(--c-orange); border-color: var(--c-orange); }

/* --- 前後の作品 --- */
.pager {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  margin-top: clamp(56px, 8vw, 96px);
  padding-top: 28px;
  border-top: 1px solid var(--c-line-soft);
}
.pager__side { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.pager__side--next { text-align: right; align-items: flex-end; }
.pager__label {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--c-orange);
}
.pager__title {
  font-size: .88rem;
  color: var(--c-text-mute);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
  transition: color var(--t-fast);
}
a.pager__side:hover .pager__title { color: var(--c-text); }
.pager__all {
  font-family: var(--f-en);
  font-size: .82rem;
  letter-spacing: .16em;
  color: var(--c-text-mute);
  padding: 10px 18px;
  border: 1px solid var(--c-line);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.pager__all:hover { color: var(--c-orange-lt); border-color: var(--c-orange); }

/* ------------------------------------------------------------
   9. About
------------------------------------------------------------ */
.about { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 6vw, 72px); align-items: start; }
.about__lead {
  font-size: clamp(1.15rem, 3.2vw, 1.5rem);
  font-weight: 700;
  line-height: 1.75;
  letter-spacing: .06em;
  margin-bottom: 22px;
}
.about__lead em { font-style: normal; color: var(--c-orange); }
.about__text { color: var(--c-text-mute); font-size: .95rem; }
.about__text + .about__text { margin-top: 1.2em; }

.data { border-top: 1px solid var(--c-line-soft); }
.data__row {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 14px;
  padding: 15px 4px;
  border-bottom: 1px solid var(--c-line-soft);
}
.data__key {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-orange);
  padding-top: 3px;
}
.data__val { font-size: .92rem; }
.data__val a { border-bottom: 1px solid var(--c-line); transition: color var(--t-fast), border-color var(--t-fast); }
.data__val a:hover { color: var(--c-orange-lt); border-color: var(--c-orange); }

/* ------------------------------------------------------------
   8-c. Events ( events.html )
------------------------------------------------------------ */
.event-section { padding-block: clamp(48px, 7vw, 80px) 0; }
.event-section .sec-head { margin-bottom: clamp(24px, 3.5vw, 36px); }
.event-section .sec-head__title { font-size: clamp(1.5rem, 4.4vw, 2.2rem); }

/* --- 次回予定の大きなカード --- */
.event-next {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  overflow: hidden;
  isolation: isolate;
}
/* 上辺のオレンジのライン */
.event-next::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--grad-orange);
}
/* 右上にうっすら光を置いて、告知面を目立たせる */
.event-next::after {
  content: "";
  position: absolute;
  top: -40%; right: -10%;
  width: 60%; aspect-ratio: 1;
  z-index: -1;
  background: radial-gradient(closest-side, rgba(255, 106, 0, .16), transparent);
  pointer-events: none;
}

.event-next__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(20px, 3vw, 26px) clamp(20px, 3.5vw, 36px);
  border-bottom: 1px solid var(--c-line-soft);
}

.event-next__badge { display: flex; align-items: center; gap: 12px; }
.event-next__badge-label {
  padding: 5px 14px;
  font-family: var(--f-en);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .22em;
  color: #fff;
  background: var(--grad-orange);
}
.event-next__status {
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--c-text-mute);
  padding: 4px 12px;
  border: 1px solid var(--c-line);
}

.event-next__count { display: flex; align-items: baseline; gap: 8px; }
.event-next__count-label {
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--c-text-mute);
}
.event-next__count-num {
  font-family: var(--f-en);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 600;
  line-height: 1;
  color: var(--c-orange-lt);
}
.event-next__count-today {
  font-family: var(--f-en);
  font-size: 1.2rem;
  letter-spacing: .16em;
  color: var(--c-orange-lt);
}

.event-next__body { padding: clamp(24px, 4vw, 40px) clamp(20px, 3.5vw, 36px) clamp(28px, 4vw, 40px); }

.event-next__short {
  font-family: var(--f-en);
  font-size: clamp(2.4rem, 8vw, 4.4rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: .04em;
  background: var(--grad-orange);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.event-next__name {
  font-size: clamp(1.2rem, 3.4vw, 1.7rem);
  font-weight: 700;
  letter-spacing: .06em;
  margin-top: 6px;
}

/* --- 開催日・会場などの一覧 --- */
.event__facts {
  margin-top: clamp(24px, 3.5vw, 34px);
  border-top: 1px solid var(--c-line-soft);
}
.event__fact {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 14px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--c-line-soft);
}
.event__fact dt {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-orange);
  padding-top: 4px;
}
.event__fact dd { font-size: .98rem; font-weight: 500; }

/* --- 頒布予定 --- */
.event__items { margin-top: clamp(24px, 3.5vw, 32px); }
.event__items-title {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-orange);
  margin-bottom: 12px;
}
.event__item-list { display: flex; flex-direction: column; gap: 8px; }
.event__item-list li {
  position: relative;
  padding-left: 18px;
  font-size: .94rem;
}
.event__item-list li::before {
  content: "";
  position: absolute;
  left: 0; top: .7em;
  width: 8px; height: 1px;
  background: var(--c-orange);
}
.event__items-empty { font-size: .9rem; color: var(--c-text-mute); }

.event__note {
  margin-top: clamp(20px, 3vw, 28px);
  padding: 16px 18px;
  font-size: .86rem;
  line-height: 1.8;
  color: var(--c-text-mute);
  background: var(--c-bg);
  border-left: 2px solid var(--c-line);
}

.event__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: clamp(22px, 3vw, 30px); }

/* --- 予定なしのとき --- */
.event-none {
  padding: clamp(40px, 7vw, 72px) 24px;
  text-align: center;
  color: var(--c-text-mute);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
}

/* --- 一覧（そのあとの予定・参加履歴） --- */
.event-list { border-top: 1px solid var(--c-line-soft); }
.event-row {
  display: grid;
  grid-template-columns: 150px 1fr auto;
  align-items: center;
  gap: 6px 20px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--c-line-soft);
  transition: background var(--t-fast);
}
.event-row:hover { background: var(--c-surface); }
.event-row--past { opacity: .62; }

.event-row__date {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-family: var(--f-mono);
  font-size: .84rem;
  letter-spacing: .06em;
  color: var(--c-text-dim);
}
.event-row__day { font-size: 10px; letter-spacing: .14em; color: var(--c-orange); }
.event-row__name { font-size: 1rem; font-weight: 700; letter-spacing: .04em; }
.event-row__meta { margin-top: 4px; font-size: .84rem; color: var(--c-text-mute); }
.event-row__status {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--c-text-mute);
  padding: 4px 10px;
  border: 1px solid var(--c-line);
  white-space: nowrap;
}

/* ------------------------------------------------------------
   9-b. Member ( aboutUs.html )
------------------------------------------------------------ */
.members {
  display: grid;
  /* min() を挟んで、狭い画面でカードがはみ出さないようにする */
  grid-template-columns: repeat(auto-fit, minmax(min(360px, 100%), 1fr));
  gap: clamp(20px, 3vw, 36px);
}

.member {
  position: relative;
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: clamp(18px, 2.6vw, 28px);
  padding: clamp(20px, 3vw, 30px);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  transition: border-color var(--t-mid), transform var(--t-mid);
}
.member:hover { border-color: rgba(255, 106, 0, .4); transform: translateY(-4px); }
/* 左端のオレンジのライン */
.member::before {
  content: "";
  position: absolute;
  left: -1px; top: 0; bottom: 0;
  width: 2px;
  background: var(--grad-orange);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .5s var(--e-out);
}
.member:hover::before { transform: scaleY(1); }

.member__photo {
  width: 132px;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--c-surface-2);
  border: 1px solid var(--c-line);
  clip-path: polygon(0 0, 100% 0, 100% 86%, 86% 100%, 0 100%);
}
.member__photo img { width: 100%; height: 100%; object-fit: cover; }

.member__role {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-orange);
  margin-bottom: 8px;
}
.member__name {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1.4;
  margin-bottom: 14px;
}
.member__reading {
  display: block;
  margin-top: 4px;
  font-family: var(--f-en);
  font-size: .72rem;
  font-weight: 400;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--c-text-dim);
}
.member__text { font-size: .88rem; color: var(--c-text-mute); }
.member__text + .member__text { margin-top: .9em; }

.member__tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.member__tags li {
  padding: 3px 11px;
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--c-text-mute);
  border: 1px solid var(--c-line);
  background: var(--c-bg);
}

/* .link-row はメンバー欄以外（お問い合わせのSNS一覧など）でも使う共通の並び */
.member__links,
.link-row { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 18px; }
.member__links a,
.link-row a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  font-family: var(--f-en);
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-text-mute);
  border-bottom: 1px solid var(--c-line);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.member__links a:hover,
.link-row a:hover { color: var(--c-orange-lt); border-color: var(--c-orange); }

/* ------------------------------------------------------------
   10. Footer
------------------------------------------------------------ */
.footer {
  position: relative;
  z-index: 2;
  padding-block: clamp(56px, 8vw, 88px) 32px;
  background: var(--c-bg-alt);
  border-top: 1px solid var(--c-line-soft);
}
.footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 36px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--c-line-soft);
}
.footer__brand-ja { font-size: 1.3rem; font-weight: 700; letter-spacing: .1em; }
.footer__brand-en {
  font-family: var(--f-en);
  font-size: .78rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--c-orange);
  margin-top: 6px;
}
.footer__desc { margin-top: 16px; font-size: .84rem; color: var(--c-text-dim); max-width: 34em; }

.footer__nav { display: flex; gap: clamp(28px, 6vw, 64px); flex-wrap: wrap; }
.footer__col-title {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--c-text-dim);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.footer__list { display: flex; flex-direction: column; gap: 2px; }
.footer__list a {
  display: inline-block;
  padding: 7px 0;
  font-size: .88rem;
  color: var(--c-text-mute);
  transition: color var(--t-fast), transform var(--t-fast);
}
.footer__list a:hover { color: var(--c-orange-lt); transform: translateX(3px); }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-top: 26px;
}
.footer__copy { font-family: var(--f-mono); font-size: 10px; letter-spacing: .12em; color: var(--c-text-dim); }

.to-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 800;
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  color: var(--c-text-mute);
  background: rgba(20, 20, 25, .9);
  border: 1px solid var(--c-line);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--t-mid), transform var(--t-mid), visibility var(--t-mid), color var(--t-fast), border-color var(--t-fast);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { color: var(--c-orange); border-color: var(--c-orange); }

/* ------------------------------------------------------------
   11. Scroll reveal
   JS有効時（html.js）だけ隠す。JS無効でも本文は読めます
------------------------------------------------------------ */
html.js [data-reveal] { opacity: 0; transform: translateY(26px); }
html.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity .8s var(--e-out), transform .8s var(--e-out);
  transition-delay: var(--reveal-delay, 0s);
}

/* ------------------------------------------------------------
   12. Responsive
------------------------------------------------------------ */
@media (max-width: 1000px) {
  .about { grid-template-columns: 1fr; }
}

/* ここでPCナビ → ハンバーガーに切り替え */
@media (max-width: 900px) {
  :root { --h-nav: 60px; }
  .nav__list { display: none; }
  .nav__toggle { display: block; }

  /* 縦画面では文字が全幅に広がるので、マスクの向きを上下に変える */
  .hero__slider {
    -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .5) 52%, transparent 92%);
    mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .5) 52%, transparent 92%);
  }
  .notice__link { grid-template-columns: auto 1fr; padding-block: 18px; }
  .notice__date { grid-column: 1; }
  .notice__tag  { grid-column: 2; justify-self: end; }
  .notice__text { grid-column: 1 / -1; margin-top: 4px; }
  .notice__ext  { display: none; }
}

@media (max-width: 600px) {
  body { font-size: 15px; line-height: 1.8; }
  .works { grid-template-columns: 1fr; }
  .work__thumb img { aspect-ratio: 16 / 10; }
  .hero { min-height: 92svh; }
  .hero__actions .btn { flex: 1 1 100%; }
  .data__row { grid-template-columns: 1fr; gap: 2px; }
  .footer__top { flex-direction: column; }
  .filter__btn { flex: 1 1 auto; min-height: 44px; padding: 0 14px; }
  .filter__count { width: 100%; margin-left: 0; }

  /* メンバーカードは写真を上に積む */
  .member { grid-template-columns: 1fr; }
  .member__photo { width: 110px; }
  .member__name { font-size: 1.25rem; }

  /* 前後の作品リンクは縦並び */
  .pager { grid-template-columns: 1fr; gap: 20px; }
  .pager__side, .pager__side--next { align-items: center; text-align: center; }
  .pager__side.is-empty { display: none; }
  .pager__all { justify-self: center; }

  .detail__hero { min-height: min(64svh, 520px); }
  .detail__actions .btn { flex: 1 1 100%; }

  /* イベント：狭い画面では日付を上に積む */
  .event__fact { grid-template-columns: 1fr; gap: 2px; }
  .event-row { grid-template-columns: 1fr auto; }
  .event-row__date { grid-column: 1; flex-direction: row; align-items: baseline; gap: 10px; }
  .event-row__status { grid-column: 2; }
  .event-row__main { grid-column: 1 / -1; }
  .event__actions .btn { flex: 1 1 100%; }
  .event-next__head { gap: 10px; }
  .gallery { grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr)); }
}

/* 横向きの低い画面でスプラッシュが窮屈にならないように */
@media (max-height: 480px) {
  .splash__rule { margin-block: 14px 12px; }
  .splash__skip { bottom: 10px; }
}

/* ------------------------------------------------------------
   13. Accessibility / Print
------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html.js [data-reveal] { opacity: 1; transform: none; }
  .splash__char, .splash__sub, .splash__skip, .splash__media { opacity: 1; transform: none; }
  .splash__rule { width: min(280px, 60vw); }
  /* スライドショーは切り替えず、1枚目を止めて表示します */
  .hero__slide { transform: none; }
  .hero__slide.is-active { opacity: var(--hero-slide-opacity); transform: none; }
}

@media print {
  .nav, .drawer, .splash, .to-top, .hero__scroll, .filter, .lightbox, .pager { display: none !important; }
  body { background: #fff; color: #000; }
  .work { break-inside: avoid; border-color: #ccc; }
}