/* ============================================================
   NOCTURNE — Apple-style premium redesign
   apple.css  ·  black solder resist branding
   ============================================================ */
:root {
  --black: #000000;
  --ink-0: #050506;
  --ink-1: #0a0a0c;
  --ink-2: #101013;
  --ink-3: #16161a;
  --line: rgba(255,255,255,0.10);
  --line-soft: rgba(255,255,255,0.06);
  --white: #f5f5f7;
  --gray: #a1a1a6;
  --gray-dim: #6e6e73;
  --gold: #e8c074;
  --gold-bright: #f3dca0;
  --gold-deep: #c79a4b;

  --font-sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --font-serif: "Noto Serif JP", "Times New Roman", serif;

  --max: 1180px;
  --max-narrow: 920px;
  --pad: clamp(20px, 5vw, 60px);
  --sec-y: clamp(110px, 16vh, 220px);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

* , *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.is-gold { color: var(--gold); }
.is-gold-soft { color: var(--gold-bright); }
/* keyword color-coding: 黒 = deep gold w/ glowing outline, 緑 = green */
.kw-black {
  color: #c79a4b;
  text-shadow:
    0 0 5px rgba(232,192,116,0.7),
    0 0 14px rgba(207,154,75,0.55),
    0 0 30px rgba(180,128,48,0.38);
}
/* radiant gold with a metallic shimmer — toned down */
.kw-black--shine {
  position: relative;
  color: transparent;
  background: linear-gradient(100deg,
    #b9863a 0%, #f3d488 22%, #fff6df 38%, #ffd97a 50%,
    #fff6df 62%, #f3d488 78%, #b9863a 100%);
  background-size: 260% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
  filter:
    drop-shadow(0 0 4px rgba(255,235,170,0.5))
    drop-shadow(0 0 11px rgba(232,192,116,0.4))
    drop-shadow(0 0 24px rgba(207,154,75,0.26));
  animation: kwShine 4.8s ease-in-out infinite;
}
@keyframes kwShine {
  0%, 100% { background-position: 150% 0; }
  50%      { background-position: -50% 0; }
}
@media (prefers-reduced-motion: reduce) {
  .kw-black--shine { animation: none; background-position: 50% 0; }
}
.kw-green-keep {
  color: #5fae6b;
  text-shadow:
    0 0 5px rgba(120,200,140,0.65),
    0 0 14px rgba(80,165,100,0.45),
    0 0 28px rgba(55,130,75,0.3);
}
::selection { background: rgba(232,192,116,0.3); color: #fff; }

/* ---------- scroll reveal primitives ---------- */
[data-reveal] {
  transition: opacity 1.1s var(--ease), transform 1.1s var(--ease);
  will-change: opacity, transform;
}
/* hidden ONLY when JS is active (body.js-anim) and not yet revealed.
   Default (no JS / frozen transitions) keeps content visible. */
body.js-anim [data-reveal]:not(.in) {
  opacity: 0;
  transform: translateY(38px);
}
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }
[data-reveal][data-delay="5"] { transition-delay: .40s; }

/* ============================================================
   NAV — slim frosted bar
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 56px;
  display: flex; align-items: center;
  background: rgba(8,8,10,0.55);
  backdrop-filter: saturate(160%) blur(20px);
  -webkit-backdrop-filter: saturate(160%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: background .4s ease, border-color .4s ease;
}
.nav.is-scrolled {
  background: rgba(8,8,10,0.82);
  border-bottom-color: var(--line-soft);
}
.nav__inner {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--pad);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
}
.nav__brand {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 19px;
  letter-spacing: 0.34em;
  text-indent: 0.34em;
  color: #fff;
  white-space: nowrap;
  text-shadow:
    0 0 14px rgba(160,210,255,0.95),
    0 0 34px rgba(90,170,255,0.8),
    0 0 64px rgba(60,145,255,0.6),
    0 0 110px rgba(50,130,255,0.42),
    0 0 160px rgba(45,120,255,0.28);
  animation: navBrandGlow 6s ease-in-out infinite;
}
@keyframes navBrandGlow {
  0% {
    text-shadow:
      0 0 12px rgba(150,205,255,0.6),
      0 0 26px rgba(80,160,255,0.4),
      0 0 50px rgba(55,135,255,0.26),
      0 0 90px rgba(45,120,255,0.16);
  }
  35% {
    text-shadow:
      0 0 20px rgba(180,220,255,1),
      0 0 46px rgba(100,180,255,0.95),
      0 0 90px rgba(65,150,255,0.72),
      0 0 150px rgba(50,130,255,0.5),
      0 0 220px rgba(45,120,255,0.34);
  }
  55% {
    text-shadow:
      0 0 14px rgba(155,205,255,0.7),
      0 0 30px rgba(85,165,255,0.5),
      0 0 58px rgba(58,140,255,0.32),
      0 0 100px rgba(48,125,255,0.2);
  }
  78% {
    text-shadow:
      0 0 22px rgba(185,225,255,1),
      0 0 52px rgba(105,185,255,0.92),
      0 0 100px rgba(70,155,255,0.68),
      0 0 170px rgba(52,132,255,0.46),
      0 0 240px rgba(45,120,255,0.3);
  }
  100% {
    text-shadow:
      0 0 12px rgba(150,205,255,0.6),
      0 0 26px rgba(80,160,255,0.4),
      0 0 50px rgba(55,135,255,0.26),
      0 0 90px rgba(45,120,255,0.16);
  }
}
@media (prefers-reduced-motion: reduce) { .nav__brand { animation: none; } }
.nav__brand img {
  height: 26px;
  width: auto;
  display: block;
}
.nav__links {
  display: flex; align-items: center;
  gap: clamp(14px, 2vw, 34px);
  list-style: none; margin: 0; padding: 0;
}
.nav__links a {
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--gray);
  transition: color .25s ease;
}
.nav__links a:hover { color: #fff; }
.nav__cta {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 17px;
  border-radius: 980px;
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: #1a1206;
  background: linear-gradient(180deg, #fbe7b8 0%, #ecc479 52%, #d2a153 100%);
  box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 4px 14px -4px rgba(232,192,116,0.5);
  white-space: nowrap;
  transition: transform .25s var(--ease), box-shadow .25s ease, filter .25s ease;
}
.nav__cta:hover { transform: translateY(-1px); filter: brightness(1.08); box-shadow: 0 1px 0 rgba(255,255,255,0.75) inset, 0 0 44px 8px rgba(232,192,116,0.6), 0 0 100px 26px rgba(232,192,116,0.42), 0 0 160px 48px rgba(232,192,116,0.28), 0 10px 30px -4px rgba(232,192,116,0.7); }
.nav__cta svg { width: 13px; height: 13px; }
.nav__lang {
  flex-shrink: 0;
  margin-left: 4px;
  padding: 7px 13px;
  border-radius: 980px;
  border: 1px solid rgba(255,255,255,0.22);
  background: transparent;
  color: var(--gray);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  cursor: pointer;
  min-width: 48px;
  transition: color .25s ease, border-color .25s ease, background .25s ease;
}
.nav__lang:hover { color: #fff; border-color: rgba(232,192,116,0.7); background: rgba(232,192,116,0.08); }

/* ---- Request Sample click burst (shared) ---- */
.nav__cta, .cta__btn { position: relative; overflow: hidden; isolation: isolate; }
.nav__cta > *, .cta__btn > * { position: relative; z-index: 2; }
.nav__cta::before, .cta__btn::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.9) 48%, transparent 66%);
  transform: translateX(-130%);
  pointer-events: none;
}
.nav__cta.req-glow::before, .cta__btn.req-glow::before {
  animation: reqSheen .85s var(--ease) forwards;
}
@keyframes reqSheen { to { transform: translateX(130%); } }
.nav__cta.req-glow {
  animation: reqFlashSm .9s ease-out;
}
.cta__btn.req-glow {
  animation: reqFlashLg .9s ease-out;
}
.cta__btn--overlay.req-glow {
  animation: reqFlashOverlay .9s ease-out;
}
@keyframes reqFlashOverlay {
  0%   { box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 12px 34px -10px rgba(232,192,116,0.7); filter: brightness(1); transform: translate(-50%,-50%); }
  18%  { box-shadow: 0 0 0 4px rgba(255,250,235,1), 0 0 70px 18px rgba(232,192,116,1), 0 0 150px 50px rgba(232,192,116,0.85), 0 0 260px 90px rgba(232,192,116,0.5); filter: brightness(1.7) saturate(1.25); transform: translate(-50%, calc(-50% - 2px)) scale(1.09); }
  45%  { box-shadow: 0 0 0 3px rgba(255,250,235,0.7), 0 0 50px 14px rgba(232,192,116,0.8), 0 0 120px 36px rgba(232,192,116,0.45); filter: brightness(1.3); transform: translate(-50%, calc(-50% - 2px)) scale(1.04); }
  100% { box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 12px 34px -10px rgba(232,192,116,0.7); filter: brightness(1); transform: translate(-50%,-50%); }
}
@keyframes reqFlashSm {
  0%   { box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 4px 14px -4px rgba(232,192,116,0.5); filter: brightness(1); }
  18%  { box-shadow: 0 0 0 3px rgba(255,250,235,1), 0 0 40px 10px rgba(232,192,116,1), 0 0 90px 28px rgba(232,192,116,0.85), 0 0 150px 50px rgba(232,192,116,0.5); filter: brightness(1.6) saturate(1.2); transform: translateY(-1px) scale(1.08); }
  45%  { box-shadow: 0 0 0 2px rgba(255,250,235,0.7), 0 0 30px 8px rgba(232,192,116,0.8), 0 0 70px 20px rgba(232,192,116,0.4); filter: brightness(1.25); transform: translateY(-1px) scale(1.04); }
  100% { box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 4px 14px -4px rgba(232,192,116,0.5); filter: brightness(1); transform: none; }
}
@keyframes reqFlashLg {
  0%   { box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 12px 34px -10px rgba(232,192,116,0.7); filter: brightness(1); }
  18%  { box-shadow: 0 0 0 4px rgba(255,250,235,1), 0 0 70px 18px rgba(232,192,116,1), 0 0 150px 50px rgba(232,192,116,0.85), 0 0 260px 90px rgba(232,192,116,0.5); filter: brightness(1.7) saturate(1.25); transform: translateY(-2px) scale(1.09); }
  45%  { box-shadow: 0 0 0 3px rgba(255,250,235,0.7), 0 0 50px 14px rgba(232,192,116,0.8), 0 0 120px 36px rgba(232,192,116,0.45); filter: brightness(1.3); transform: translateY(-2px) scale(1.04); }
  100% { box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 12px 34px -10px rgba(232,192,116,0.7); filter: brightness(1); transform: none; }
}

/* expanding shockwave ring fired on click (appended to <body>) */
.req-shock {
  position: fixed;
  z-index: 2000;
  pointer-events: none;
  border-radius: 980px;
  transform: translate(-50%, -50%) scale(0.4);
  background: radial-gradient(circle, rgba(255,250,235,0.55) 0%, rgba(232,192,116,0.35) 38%, transparent 68%);
  box-shadow: 0 0 0 2px rgba(255,248,228,0.9), 0 0 40px 8px rgba(232,192,116,0.7);
  opacity: 0;
  animation: reqShock .8s cubic-bezier(.15,.7,.25,1) forwards;
}
@keyframes reqShock {
  0%   { opacity: 0.95; transform: translate(-50%,-50%) scale(0.35); }
  100% { opacity: 0;    transform: translate(-50%,-50%) scale(3.4); }
}
@media (max-width: 940px) { .nav__links { display: none; } }

/* ============================================================
   HERO — full-screen video, giant wordmark
   ============================================================ */
.hero {
  position: relative;
  height: 100svh;
  min-height: 620px;
  width: 100%;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  background: #000;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg video {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(112%) contrast(106%);
}
.hero__bg::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(130% 90% at 50% 42%, transparent 32%, rgba(0,0,0,0.55) 88%),
    linear-gradient(180deg, rgba(0,0,0,0.5) 0%, transparent 26%, transparent 58%, rgba(0,0,0,0.85) 100%);
}
.hero__inner {
  position: relative; z-index: 2;
  text-align: center;
  padding: 0 var(--pad);
  display: flex; flex-direction: column; align-items: center;
}
.hero__eyebrow {
  font-size: clamp(11px, 1.1vw, 13px);
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  color: rgba(255,255,255,0.72);
  margin: 0 0 clamp(20px, 4vh, 40px);
  transition: opacity 1s var(--ease) .2s, transform 1s var(--ease) .2s;
}
.hero__logo {
  position: relative;
  margin: 0;
  width: min(86vw, 920px);
  z-index: 1;
  /* nudge slightly right & down so the wordmark sits at the optical center */
  transform: translate(2.5%, 6%);
}
/* bloom that flares up behind the wordmark as it rises — blue */
.hero__logo::after {
  content: "";
  position: absolute;
  left: 50%; top: 52%;
  width: 116%; height: 215%;
  transform: translate(-50%, -50%) scale(0.45);
  background: radial-gradient(44% 46% at 50% 50%, rgba(90,170,255,0.5) 0%, rgba(60,140,255,0.16) 44%, transparent 72%);
  filter: blur(46px);
  z-index: -1;
  opacity: 0;
  pointer-events: none;
}
body.hero-shown .hero__logo::after {
  animation: logoBloom 4.5s var(--ease) forwards;
}
@keyframes logoBloom {
  0%   { opacity: 0;    transform: translate(-50%,-50%) scale(0.4); }
  45%  { opacity: 0.9;  transform: translate(-50%,-50%) scale(1.12); }
  100% { opacity: 0.5;  transform: translate(-50%,-50%) scale(1); }
}
.hero__logo img {
  width: 100%;
  height: auto;
  /* transparent PNG — only the white wordmark shows */
  filter: drop-shadow(0 6px 36px rgba(0,0,0,0.5)) drop-shadow(0 0 50px rgba(150,170,220,0.12));
  transition:
    opacity 2.1s var(--ease),
    transform 2.4s cubic-bezier(.18,.82,.25,1),
    filter 2.1s var(--ease);
}
/* pull back from full-screen — starts huge & blurred, recedes into place */
body.js-anim:not(.hero-shown) .hero__logo img {
  opacity: 0;
  transform: scale(3.4);
  filter: blur(42px) brightness(1.9) drop-shadow(0 6px 36px rgba(0,0,0,0.5));
}
/* blue outline glow gradually emerges, then gently breathes */
@keyframes logoBlueRise {
  0% {
    filter:
      drop-shadow(0 6px 36px rgba(0,0,0,0.5))
      drop-shadow(0 0 0 rgba(90,170,255,0));
  }
  28% {
    filter:
      drop-shadow(0 6px 30px rgba(0,0,0,0.5))
      drop-shadow(0 0 14px rgba(120,190,255,0.45))
      drop-shadow(0 0 30px rgba(70,150,255,0.3));
  }
  60% {
    filter:
      drop-shadow(0 4px 26px rgba(0,0,0,0.45))
      drop-shadow(0 0 22px rgba(140,200,255,0.85))
      drop-shadow(0 0 50px rgba(70,150,255,0.6))
      drop-shadow(0 0 90px rgba(50,130,255,0.4));
  }
  100% {
    filter:
      drop-shadow(0 4px 26px rgba(0,0,0,0.45))
      drop-shadow(0 0 18px rgba(130,195,255,0.7))
      drop-shadow(0 0 42px rgba(70,150,255,0.5))
      drop-shadow(0 0 80px rgba(50,130,255,0.32));
  }
}
/* keep a soft blue breathing after the rise completes */
body.hero-shown .hero__logo img {
  animation: logoBlueRise 5.5s ease-out forwards, logoBlueBreath 6.5s ease-in-out 5.5s infinite;
}
@keyframes logoBlueBreath {
  0%, 100% {
    filter:
      drop-shadow(0 4px 26px rgba(0,0,0,0.45))
      drop-shadow(0 0 18px rgba(130,195,255,0.6))
      drop-shadow(0 0 42px rgba(70,150,255,0.42))
      drop-shadow(0 0 80px rgba(50,130,255,0.26));
  }
  50% {
    filter:
      drop-shadow(0 4px 26px rgba(0,0,0,0.45))
      drop-shadow(0 0 26px rgba(150,205,255,0.9))
      drop-shadow(0 0 58px rgba(80,160,255,0.6))
      drop-shadow(0 0 110px rgba(55,135,255,0.4));
  }
}

.hero__word {
  position: relative;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(62px, 13vw, 200px);
  line-height: 0.94;
  letter-spacing: 0.06em;
  margin: 0;
  color: #fff;
  z-index: 1;
  /* weight + warm halo on the rendered (gradient) letters */
  filter:
    drop-shadow(0 12px 30px rgba(0,0,0,0.65))
    drop-shadow(0 2px 2px rgba(0,0,0,0.5))
    drop-shadow(0 0 52px rgba(232,192,116,0.22));
}
/* luminous bloom that swells up behind the wordmark */
.hero__word::before {
  content: "";
  position: absolute;
  left: 50%; top: 54%;
  width: 132%; height: 230%;
  transform: translate(-50%, -50%) scale(1);
  background: radial-gradient(46% 46% at 50% 50%, rgba(232,192,116,0.34) 0%, rgba(232,192,116,0.09) 42%, transparent 72%);
  filter: blur(28px);
  z-index: -1;
  pointer-events: none;
  transition: opacity 1.9s var(--ease) .3s, transform 1.9s var(--ease) .3s;
}
.hero__word span {
  display: inline-block;
  background: linear-gradient(180deg, #ffffff 0%, #f7eed5 32%, #ddbf84 64%, #fff6e2 100%);
  background-size: 100% 230%;
  background-position: 50% 28%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  transition: opacity 1.4s var(--ease), transform 1.5s var(--ease), filter 1.4s var(--ease);
}
/* sunken, blurred, heavier-than-air starting state — only while JS drives the reveal */
body.js-anim:not(.hero-shown) .hero__word span {
  opacity: 0;
  transform: translateY(0.6em) scale(1.07);
  filter: blur(18px);
}
body.js-anim:not(.hero-shown) .hero__word::before {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.5);
}
/* slow metallic shimmer once it has settled */
body.hero-shown .hero__word span {
  animation: heroShimmer 7.5s ease-in-out 1.9s infinite;
}
@keyframes heroShimmer {
  0%, 100% { background-position: 50% 28%; }
  50% { background-position: 50% 82%; }
}
.hero__tag {
  margin: clamp(20px, 4vh, 38px) 0 0;
  font-size: clamp(15px, 1.8vw, 22px);
  font-weight: 300;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.9);
  white-space: nowrap;
  transition: opacity 1.1s var(--ease) 1s, transform 1.1s var(--ease) 1s;
}
.hero__links {
  display: flex; gap: 30px; flex-wrap: wrap; justify-content: center;
  margin-top: clamp(28px, 5vh, 46px);
}
.hero__link {
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--gold);
  display: inline-flex; align-items: center; gap: 6px;
  transition: gap .25s ease, color .25s ease;
}
.hero__link::after { content: "›"; font-size: 17px; transition: transform .25s ease; }
.hero__link:hover { color: var(--gold-bright); }
.hero__link:hover::after { transform: translateX(3px); }
.hero__link--ghost { color: rgba(255,255,255,0.82); }
.hero__link--ghost:hover { color: #fff; }

.hero__word span:nth-child(1) { transition-delay: .10s; }
.hero__word span:nth-child(2) { transition-delay: .22s; }
.hero__word span:nth-child(3) { transition-delay: .34s; }
.hero__word span:nth-child(4) { transition-delay: .46s; }
.hero__word span:nth-child(5) { transition-delay: .58s; }
.hero__word span:nth-child(6) { transition-delay: .70s; }
.hero__word span:nth-child(7) { transition-delay: .82s; }
.hero__word span:nth-child(8) { transition-delay: .94s; }

@keyframes heroUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes heroLetter { from { opacity: 0; transform: translateY(0.4em); } to { opacity: 1; transform: none; } }

.hero__scroll {
  position: absolute; left: 50%; bottom: 26px; z-index: 3;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  transition: opacity 1.1s var(--ease) 1.5s;
}
.hero__scroll-label { font-size: 10px; letter-spacing: 0.34em; color: rgba(255,255,255,0.5); }
.hero__scroll-line {
  width: 1px; height: 46px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
  animation: scrollDrip 2.2s ease-in-out infinite;
}
@keyframes scrollDrip {
  0% { transform: scaleY(0.2); transform-origin: top; opacity: 1; }
  55% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  56% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0.3; }
}

/* ============================================================
   STATEMENT — big pinned typographic moment
   ============================================================ */
.statement {
  padding: clamp(140px, 22vh, 300px) var(--pad);
  text-align: center;
  background: var(--black);
}
.statement__eyebrow {
  font-size: 12px; letter-spacing: 0.4em; text-indent: 0.4em;
  color: var(--gold); margin: 0 0 clamp(28px, 5vh, 56px);
}
.statement__big {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(34px, 6.4vw, 96px);
  line-height: 1.28;
  letter-spacing: 0.03em;
  margin: 0 auto;
  max-width: 16em;
  color: #fff;
}
.statement__big .row { display: block; }
.statement__sub {
  margin: clamp(40px, 7vh, 80px) auto 0;
  max-width: 40em;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 2.1;
  font-weight: 300;
  color: var(--gray);
}

/* ============================================================
   FULL-BLEED MEDIA MOMENT
   ============================================================ */
.bleed {
  position: relative;
  height: 100svh; min-height: 560px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: #000;
}
.bleed__img { position: absolute; inset: 0; z-index: 0; }
.bleed__img img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.06);
  /* soft-fade every edge so the image emerges from black */
  -webkit-mask-image: radial-gradient(125% 125% at 50% 48%, #000 42%, rgba(0,0,0,0.55) 68%, transparent 92%);
  mask-image: radial-gradient(125% 125% at 50% 48%, #000 42%, rgba(0,0,0,0.55) 68%, transparent 92%);
}
.bleed__img::after {
  content: ""; position: absolute; inset: 0;
  background:
    /* overall darken */
    linear-gradient(0deg, rgba(0,0,0,0.34), rgba(0,0,0,0.34)),
    /* readability vignette behind the title */
    radial-gradient(60% 58% at 50% 50%, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.18) 42%, transparent 75%),
    /* feather edges into pure black */
    linear-gradient(180deg, #000 0%, transparent 26%, transparent 56%, #000 100%),
    linear-gradient(90deg, #000 0%, transparent 16%, transparent 84%, #000 100%);
}
.bleed__inner {
  position: relative; z-index: 2; text-align: center;
  padding: 0 var(--pad); max-width: min(96%, 1140px);
}
.bleed__title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(30px, 5.5vw, 76px);
  line-height: 1.32;
  letter-spacing: 0.04em;
  margin: 0;
  text-wrap: balance;
  text-shadow: 0 4px 50px rgba(0,0,0,0.85);
}
.bleed__title--big {
  font-size: clamp(34px, 6.4vw, 92px);
  white-space: nowrap;
}
/* faint blue light flowing left→right across the ブランド word */
.kw-blue {
  position: relative;
  color: #cfe3ff;
  background: linear-gradient(100deg,
    #cfe3ff 0%, #cfe3ff 38%,
    #ffffff 47%, #aee0ff 50%, #ffffff 53%,
    #cfe3ff 62%, #cfe3ff 100%);
  background-size: 280% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
  filter:
    drop-shadow(0 0 6px rgba(130,195,255,0.5))
    drop-shadow(0 0 16px rgba(80,165,255,0.34));
  animation: kwBlueFlow 3.4s linear infinite;
}
@keyframes kwBlueFlow {
  0%   { background-position: 150% 0; }
  100% { background-position: -130% 0; }
}
@media (prefers-reduced-motion: reduce) { .kw-blue { animation: none; background-position: 50% 0; } }
.bleed__sub {
  margin: 28px auto 0;
  font-size: clamp(18px, 2.1vw, 27px);
  font-weight: 300;
  line-height: 2;
  color: rgba(255,255,255,0.82);
  max-width: 30em;
}

/* ============================================================
   SECTION SHELL
   ============================================================ */
.sec { padding: var(--sec-y) var(--pad); }
.sec--ink { background: var(--ink-0); }
.wrap { max-width: var(--max); margin: 0 auto; }
.wrap--narrow { max-width: var(--max-narrow); margin: 0 auto; }

.kicker {
  font-size: 12px; letter-spacing: 0.34em; text-indent: 0.34em;
  color: var(--gold); text-transform: uppercase;
  margin: 0 0 22px;
}
.h-sec {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(30px, 4.6vw, 60px);
  line-height: 1.32;
  letter-spacing: 0.03em;
  margin: 0;
  color: #fff;
  text-wrap: balance;
}
.lede-sec {
  margin: 26px 0 0;
  font-size: clamp(15px, 1.4vw, 18px);
  font-weight: 300; line-height: 2;
  color: var(--gray);
  max-width: 34em;
}
.sec__head { text-align: center; margin: 0 auto clamp(56px, 8vh, 100px); max-width: min(94%, 1000px); }
.sec__head .lede-sec { margin-left: auto; margin-right: auto; }

/* ============================================================
   CORE VALUE — big stacked moments
   ============================================================ */
.value-row {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
  padding: clamp(50px, 8vh, 90px) 0;
  border-top: none;
}
/* faint blue-glowing divider line */
.value-row::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(120,185,255,0.55) 18%,
    rgba(140,200,255,0.7) 50%,
    rgba(120,185,255,0.55) 82%,
    transparent 100%);
  box-shadow: 0 0 8px rgba(90,165,255,0.45), 0 0 16px rgba(70,150,255,0.28);
}
.value-row:last-child::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(120,185,255,0.55) 18%,
    rgba(140,200,255,0.7) 50%,
    rgba(120,185,255,0.55) 82%,
    transparent 100%);
  box-shadow: 0 0 8px rgba(90,165,255,0.45), 0 0 16px rgba(70,150,255,0.28);
}
.value-row__num {
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: clamp(54px, 8vw, 124px);
  line-height: 0.9;
  background: linear-gradient(180deg, #fff 10%, rgba(255,255,255,0.35) 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.value-row__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.4;
  margin: 0 0 22px;
  letter-spacing: 0.02em;
}
.value-row__text {
  margin: 0;
  font-size: clamp(15px, 1.3vw, 17px);
  font-weight: 300; line-height: 2.1;
  color: var(--gray);
  max-width: 38em;
}
@media (max-width: 680px) {
  .value-row { grid-template-columns: 1fr; gap: 14px; }
  .value-row__num { font-size: 60px; }
}

/* ============================================================
   TECHNOLOGY — bento grid
   ============================================================ */
.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 1.6vw, 22px);
}
.bento__card {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  display: flex; flex-direction: column;
  min-height: 520px;
  transition: transform .5s var(--ease), border-color .5s ease, box-shadow .5s ease;
}
.bento__card:hover {
  transform: translateY(-6px);
  border-color: rgba(232,192,116,0.3);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.8);
}
.bento__media { position: relative; height: 230px; overflow: hidden; }
.bento__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.bento__card:hover .bento__media img { transform: scale(1.06); }
.bento__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(16,16,19,0.6) 80%, var(--ink-2) 100%);
}
.bento__body { padding: clamp(24px, 2.4vw, 34px); display: flex; flex-direction: column; flex: 1; }
.bento__point {
  font-size: 11px; letter-spacing: 0.28em; color: var(--gold);
  margin: 0 0 16px;
}
.bento__title {
  font-family: var(--font-serif); font-weight: 400;
  font-size: clamp(22px, 2.2vw, 30px); line-height: 1.35;
  margin: 0 0 16px;
}
.bento__text {
  margin: 0 0 22px;
  font-size: 14px; font-weight: 300; line-height: 2;
  color: var(--gray);
}
.bento__text em { font-style: normal; color: rgba(255,255,255,0.92); }
.bento__chips { list-style: none; margin: auto 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.bento__chips li span {
  display: inline-block; padding: 6px 14px;
  border: 1px solid var(--line); border-radius: 980px;
  font-size: 11.5px; letter-spacing: 0.08em; color: var(--gray);
}
@media (max-width: 920px) { .bento { grid-template-columns: 1fr; } .bento__card { min-height: 0; } }

/* ============================================================
   APPLICATIONS — gallery with zoom
   ============================================================ */
.gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(12px, 1.4vw, 18px);
}
.gallery__item {
  position: relative;
  flex: 0 0 calc(33.333% - clamp(12px, 1.4vw, 18px) * 2 / 3);
  border-radius: 16px;
  overflow: hidden;
  background: #000;
  border: 1px solid var(--line-soft);
  aspect-ratio: 4 / 3;
  z-index: 1;
  transition: transform .5s var(--ease), border-color .4s ease, box-shadow .5s ease, z-index 0s;
}
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.gallery__item--labeled img { object-position: left center; }
/* labeled tile — "Smartphone" title overlay in Noto Sans JP with blue glow */
.gallery__item--labeled .gallery__label {
  position: absolute;
  top: clamp(10px, 7%, 26px); left: clamp(14px, 7%, 30px);
  z-index: 3;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  font-size: clamp(15px, 7cqw, 40px);
  line-height: 1;
  letter-spacing: 0.005em;
  color: #eef4ff;
  pointer-events: none;
  text-shadow:
    0 0 5px rgba(150,200,255,0.95),
    0 0 14px rgba(70,150,255,0.85),
    0 0 30px rgba(40,120,255,0.7),
    0 0 60px rgba(30,110,255,0.5);
}
.gallery__item--labeled .gallery__label::after {
  content: "";
  position: absolute;
  left: 2px; width: 88%;
  bottom: -0.34em; height: 2px;
  background: linear-gradient(90deg, rgba(140,200,255,0.98), rgba(60,140,255,0.25) 80%, transparent);
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(90,170,255,0.95), 0 0 26px rgba(50,130,255,0.75);
}
.gallery__item { container-type: inline-size; }
/* show the full image (letterboxed) instead of cropping */
.gallery__item--contain { background: #04060c; }
.gallery__item--contain img { object-fit: contain; }
.gallery__item--contain .gallery__label--top-center { top: 8%; }
/* centered title variant (matches sibling tiles) */
.gallery__label--top-center {
  left: 50% !important;
  transform: translateX(-50%);
  text-align: center;
}
.gallery__label--top-center::after { left: 6% !important; width: 88% !important; }
.gallery__item:hover {
  transform: scale(1.5);
  z-index: 9;
  border-color: rgba(232,192,116,0.5);
  box-shadow: 0 40px 90px -20px rgba(0,0,0,0.85);
}
.gallery__item:nth-child(3n+1):hover { transform-origin: left center; }
.gallery__item:nth-child(3n):hover { transform-origin: right center; }
.gallery__item:nth-child(3n+2):hover { transform-origin: center center; }
@media (max-width: 860px) {
  .gallery__item { flex: 0 0 calc(50% - clamp(12px, 1.4vw, 18px) / 2); }
  .gallery__item:hover { transform: scale(1.12); }
}

/* ============================================================
   PRODUCTS — clean catalog row
   ============================================================ */
.products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 1.8vw, 26px);
}
.product {
  display: flex; flex-direction: column; gap: 16px;
  position: relative;
}
.product__card {
  position: relative;
  border-radius: 16px; overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-1);
  transition: transform .5s var(--ease), border-color .4s ease, box-shadow .5s ease, z-index 0s;
  z-index: 1;
}
.product__card img { width: 100%; height: auto; }
.product:hover .product__card {
  transform: scale(2);
  z-index: 9;
  border-color: rgba(232,192,116,0.4);
  box-shadow: 0 40px 90px -20px rgba(0,0,0,0.85);
}
.products .product:nth-child(1):hover .product__card,
.products .product:nth-child(2):hover .product__card { transform-origin: left center; }
.products .product:nth-child(3):hover .product__card,
.products .product:nth-child(4):hover .product__card { transform-origin: right center; }
.product__meta { display: flex; flex-direction: column; gap: 5px; }
.product__name {
  font-size: 14px; font-weight: 500; letter-spacing: 0.02em; color: #fff;
  display: inline-flex; align-items: center; gap: 6px;
}
.product__name .ext { color: var(--gold); font-size: 12px; }
.product__cat { font-size: 12px; color: var(--gray-dim); letter-spacing: 0.04em; }
.products-note { margin: 30px 0 0; font-size: 11.5px; color: var(--gray-dim); letter-spacing: 0.06em; }
@media (max-width: 820px) { .products { grid-template-columns: repeat(2, 1fr); } }

/* ============================================================
   EVOLUTION — green vs black
   ============================================================ */
.evo2 { background: var(--ink-0); }
.evo2__compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(18px, 3vw, 40px);
  align-items: stretch;
  margin-top: clamp(48px, 7vh, 80px);
}
.evo2__col {
  border-radius: 20px; overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-1);
}
.evo2__col--black { border-color: rgba(232,192,116,0.22); position: relative; transition: transform .5s var(--ease), box-shadow .5s ease, border-color .4s ease; will-change: transform; }
/* gold light running around the border on hover */
.evo2__col--black::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: conic-gradient(from var(--evo-angle, 0deg),
    transparent 0deg,
    rgba(232,192,116,0) 60deg,
    rgba(255,240,200,0.9) 88deg,
    #ffe9b0 100deg,
    rgba(255,240,200,0.9) 112deg,
    rgba(232,192,116,0) 140deg,
    transparent 360deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .35s ease;
  pointer-events: none;
  z-index: 5;
}
.evo2__col--black:hover::before {
  opacity: 1;
  animation: evoBorderRun 1.6s linear infinite;
}
@property --evo-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}
@keyframes evoBorderRun {
  to { --evo-angle: 360deg; }
}
/* glow + lift on hover */
.evo2__col--black:hover {
  transform: translateY(-14px) scale(1.015);
  box-shadow:
    0 0 0 1px rgba(232,192,116,0.5),
    0 0 34px -4px rgba(232,192,116,0.5),
    0 50px 90px -34px rgba(0,0,0,0.9);
}
@media (prefers-reduced-motion: reduce) {
  .evo2__col--black:hover::before { animation: none; opacity: 1; }
}
.evo2__media { position: relative; aspect-ratio: 16 / 11; overflow: hidden; }
.evo2__media img { width: 100%; height: 100%; object-fit: cover; }
.evo2__col--black .evo2__media { cursor: pointer; }
.evo2__col--black .evo2__media img {
  transition: transform .5s var(--ease);
}
.evo2__col--black .evo2__media:hover img {
  transform: scale(1.05);
}
/* darken the next-gen black board image */
.evo2__col--black .evo2__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.42), rgba(0,0,0,0.42));
  pointer-events: none;
}
.evo2__tag {
  position: absolute; top: 16px; left: 16px; z-index: 2;
  font-size: 10.5px; letter-spacing: 0.22em;
  padding: 6px 13px; border-radius: 980px;
  background: rgba(0,0,0,0.5); color: var(--gray);
  border: 1px solid var(--line);
}
.evo2__tag--gold { color: #1a1206; background: linear-gradient(180deg,#f3dca0,#d2a153); border: none; }
.evo2__body { padding: clamp(24px, 2.6vw, 38px); }
.evo2__name {
  font-family: var(--font-serif); font-weight: 400;
  font-size: clamp(22px, 2.4vw, 32px); margin: 0 0 14px; letter-spacing: 0.03em;
}
.evo2__desc { margin: 0 0 24px; font-size: 14px; font-weight: 300; line-height: 1.9; color: var(--gray); }
.evo2__attrs { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.evo2__attrs li { display: flex; justify-content: space-between; gap: 16px; font-size: 13px; border-top: 1px solid var(--line-soft); padding-top: 12px; }
.evo2__attrs dt, .evo2__attrs .k { color: var(--gray-dim); letter-spacing: 0.14em; font-size: 10.5px; text-transform: uppercase; }
.evo2__attrs .v { color: var(--white); text-align: right; }
.evo2__col--black .evo2__attrs .v { color: var(--gold-bright); }
@media (max-width: 760px) { .evo2__compare { grid-template-columns: 1fr; } }

.evo2__features {
  list-style: none; margin: clamp(48px,7vh,80px) 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: 16px; overflow: hidden;
}
.evo2__feature { background: var(--ink-1); padding: clamp(24px,3vw,36px); }
.evo2__feature-cat { font-size: 10px; letter-spacing: 0.22em; color: var(--gold); margin: 0 0 14px; }
.evo2__feature-title { font-family: var(--font-serif); font-weight: 400; font-size: clamp(18px,1.8vw,24px); margin: 0 0 10px; }
.evo2__feature-text { margin: 0; font-size: 13px; font-weight: 300; line-height: 1.8; color: var(--gray); }
.evo2__feature-text sup { color: var(--gold); }
@media (max-width: 880px) { .evo2__features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .evo2__features { grid-template-columns: 1fr; } }

.evo2__board {
  position: relative;
  margin: clamp(56px, 9vh, 110px) auto 0;
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}
.cta__board { margin-top: clamp(40px, 6vh, 72px); margin-bottom: clamp(36px, 6vh, 64px); }
.cta__btn--overlay {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  margin-top: 0;
  z-index: 3;
}
.cta__btn.cta__btn--overlay { transform: translate(-50%, -50%); }
.cta__btn.cta__btn--overlay:hover { transform: translate(-50%, calc(-50% - 2px)); }
.evo2__board img {
  width: 100%; height: auto;
  -webkit-mask-image:
    radial-gradient(125% 145% at 50% 50%, #000 30%, rgba(0,0,0,0.35) 62%, transparent 88%),
    linear-gradient(90deg, transparent 0%, #000 22%, #000 78%, transparent 100%),
    linear-gradient(0deg, transparent 0%, #000 20%, #000 80%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    radial-gradient(125% 145% at 50% 50%, #000 30%, rgba(0,0,0,0.35) 62%, transparent 88%),
    linear-gradient(90deg, transparent 0%, #000 22%, #000 78%, transparent 100%),
    linear-gradient(0deg, transparent 0%, #000 20%, #000 80%, transparent 100%);
  mask-composite: intersect;
}

/* ============================================================
   CTA CLOSING
   ============================================================ */
.cta {
  text-align: center;
  padding: clamp(120px, 20vh, 240px) var(--pad);
  background:
    /* soft fade from the section above into pure black (keeps the seam invisible) */
    linear-gradient(180deg, var(--ink-0) 0%, #000 14%),
    radial-gradient(80% 120% at 50% 0%, rgba(232,192,116,0.045), transparent 58%),
    #000000;
}
.cta__title {
  font-family: var(--font-serif); font-weight: 300;
  font-size: clamp(34px, 6vw, 86px); line-height: 1.2; margin: clamp(40px, 8vh, 90px) 0 0;
  letter-spacing: 0.03em;
}
.cta__sub { margin: 26px auto 0; max-width: 32em; font-size: clamp(14px,1.4vw,17px); font-weight: 300; color: var(--gray); line-height: 2; }
.cta__btn {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: clamp(36px, 6vh, 56px);
  padding: 16px 38px;
  border-radius: 980px;
  font-size: 16px; letter-spacing: 0.04em;
  color: #1a1206;
  background: linear-gradient(180deg, #fbe7b8 0%, #ecc479 50%, #d2a153 100%);
  box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 12px 34px -10px rgba(232,192,116,0.7);
  transition: transform .25s var(--ease), box-shadow .25s ease, filter .25s ease;
}
.cta__btn:hover { transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 1px 0 rgba(255,255,255,0.75) inset, 0 0 88px 20px rgba(232,192,116,0.6), 0 0 200px 56px rgba(232,192,116,0.4), 0 0 320px 96px rgba(232,192,116,0.24), 0 22px 50px -10px rgba(232,192,116,0.85); }
.cta__btn svg { width: 17px; height: 17px; }

.official {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  text-align: center;
  max-width: var(--max); margin: clamp(64px,9vh,110px) auto 0;
  padding: clamp(28px,3vw,42px) clamp(28px,3.4vw,48px);
  border-radius: 20px;
  border: 1px solid var(--line-soft);
  background: var(--ink-1);
  box-shadow: 0 18px 44px -18px rgba(0,0,0,0.85), 0 0 0 1px rgba(255,255,255,0.02) inset;
  transform: translateY(0);
  transition: border-color .4s ease, background .4s ease, transform .4s var(--ease), box-shadow .4s ease;
}
.official:hover { border-color: rgba(232,192,116,0.7); background: var(--ink-2); transform: translateY(-12px) scale(1.012); box-shadow: 0 50px 90px -30px rgba(0,0,0,0.9), 0 0 0 1px rgba(232,192,116,0.5), 0 0 38px -2px rgba(232,192,116,0.55), 0 0 90px 4px rgba(232,192,116,0.3); }
.official__label { font-size: 11px; letter-spacing: 0.26em; color: var(--gold); margin: 0 0 10px; }
.official__title { font-size: clamp(16px,1.8vw,21px); font-weight: 500; margin: 0; }
.official__sub { font-size: 12px; color: var(--gray-dim); margin: 6px 0 0; letter-spacing: 0.04em; }
.official__arrow { flex-shrink: 0; color: var(--gray); transition: transform .3s var(--ease), color .3s ease; }
.official:hover .official__arrow { transform: translateY(-4px); color: var(--gold); }

/* ============================================================
   FOOTER
   ============================================================ */
.foot {
  border-top: 1px solid var(--line-soft);
  padding: 40px var(--pad);
  text-align: center;
}
.foot__brand { font-family: var(--font-serif); letter-spacing: 0.3em; text-indent: 0.3em; font-size: 15px; color: #fff; margin: 0 0 12px; }
.foot__copy { font-size: 11.5px; color: var(--gray-dim); letter-spacing: 0.06em; margin: 0; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .hero__eyebrow, .hero__word span, .hero__tag, .hero__links, .hero__scroll {
    opacity: 1 !important; transform: none !important; animation: none !important;
  }
}

/* ============================================================
   BGM mute toggle + autoplay prompt
   ============================================================ */
.bgm-toggle {
  position: fixed;
  right: clamp(18px, 3vw, 34px);
  bottom: clamp(18px, 3vw, 30px);
  z-index: 900;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(10,10,12,0.55);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  color: rgba(255,255,255,0.85);
  cursor: pointer;
  opacity: 0;
  animation: bgmIn .6s ease forwards;
  transition: color .25s ease, border-color .25s ease, background .25s ease, transform .25s ease;
}
.bgm-toggle:hover { color: #fff; border-color: rgba(232,192,116,0.6); background: rgba(20,18,14,0.7); transform: scale(1.06); }
.bgm-toggle[hidden] { display: none; }
.bgm-toggle svg { width: 20px; height: 20px; }
.bgm-toggle .bgm-slash { opacity: 0; transition: opacity .2s ease; }
.bgm-toggle .bgm-wave { opacity: 1; transition: opacity .2s ease; }
.bgm-toggle.is-muted .bgm-wave { opacity: 0; }
.bgm-toggle.is-muted .bgm-slash { opacity: 1; }
@keyframes bgmIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* "tap for sound" prompt — only shown when audible autoplay is blocked */
#bgm-prompt {
  position: fixed;
  right: clamp(18px, 3vw, 34px);
  bottom: calc(clamp(18px, 3vw, 30px) + 58px);
  z-index: 901;
  display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 18px 11px 15px;
  border-radius: 980px;
  border: 1px solid rgba(232,192,116,0.55);
  background: linear-gradient(180deg, rgba(28,24,16,0.92), rgba(14,12,8,0.92));
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  color: #f3dca0;
  font-family: var(--font-sans);
  font-size: 13px; letter-spacing: 0.06em;
  cursor: pointer;
  white-space: nowrap;
  opacity: 0; transform: translateY(8px);
  transition: opacity .4s var(--ease), transform .4s var(--ease);
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.8), 0 0 0 0 rgba(232,192,116,0.5);
  animation: bgmPromptPulse 2.4s ease-in-out infinite;
}
#bgm-prompt.show { opacity: 1; transform: none; }
#bgm-prompt:hover { color: #fff6df; border-color: rgba(232,192,116,0.9); }
.bgm-prompt__ico {
  display: inline-grid; place-items: center;
  width: 22px; height: 22px; border-radius: 50%;
  background: linear-gradient(180deg, #f3dca0, #d2a153);
  color: #1a1206; font-size: 13px;
}
@keyframes bgmPromptPulse {
  0%, 100% { box-shadow: 0 10px 30px -10px rgba(0,0,0,0.8), 0 0 0 0 rgba(232,192,116,0.5); }
  50%      { box-shadow: 0 10px 30px -10px rgba(0,0,0,0.8), 0 0 0 8px rgba(232,192,116,0); }
}
@media (prefers-reduced-motion: reduce) {
  #bgm-prompt { animation: none; }
  .bgm-toggle { animation: none; opacity: 1; }
}