/* =========================================
   hmb-st beats — one-page site
   Dark / minimal / emotional · monochrome
   Mobile-first
   ========================================= */

/* ---------- Tokens ---------- */
:root {
  /* Color */
  --bg:        #050505;
  --bg-0:      #020203;
  --bg-1:      #0a0a0c;
  --bg-2:      #101013;
  --line:      #1e1e21;
  --line-2:    #2a2a2e;
  --fg:        #f4f4f4;
  --fg-mute:   #9a9a9a;
  --fg-dim:    #6a6a6a;
  --fg-dimmer: #3f3f3f;
  --accent:    #ffffff;

  /* Type */
  --font-en: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-jp: 'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', "Yu Gothic", "Meiryo", sans-serif;
  --font-sans: var(--font-en), var(--font-jp);

  /* Layout */
  --container: 1120px;
  --pad-x: clamp(1.25rem, 4vw, 2.5rem);

  /* Motion */
  --ease: cubic-bezier(.2, .7, .15, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  /* Almost-black with ultra-subtle radial lift at top. */
  background:
    radial-gradient(120vw 80vh at 50% -10%, #14141a 0%, #0a0a0c 35%, var(--bg-0) 75%) fixed,
    var(--bg-0);
  color: var(--fg);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  position: relative;
}
img, svg, picture { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }

/* ---------- Ambient layers ---------- */
.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
/* Subtle directional gradient on top of the base gradient. */
.ambient--gradient {
  background:
    radial-gradient(60vw 60vh at 80% 110%, rgba(255,255,255,.025), transparent 60%),
    radial-gradient(40vw 40vh at 15% 0%, rgba(255,255,255,.02), transparent 60%);
  mix-blend-mode: screen;
}
/* SVG-based film grain — quiet, ~3% intensity. */
.ambient--grain {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 220 220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.05 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 220px 220px;
  opacity: .8;
  mix-blend-mode: overlay;
}

body > *:not(.ambient) { position: relative; z-index: 1; }

/* ---------- A11y ---------- */
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 0; top: 0; padding: .75rem 1rem;
  background: var(--fg); color: var(--bg); transform: translateY(-110%);
  transition: transform .2s var(--ease);
  z-index: 100;
}
.skip-link:focus { transform: translateY(0); outline: 2px solid var(--fg); }
:focus-visible {
  outline: 1px solid var(--fg);
  outline-offset: 4px;
}

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--pad-x);
}
.section {
  position: relative;
  padding-block: clamp(5rem, 14vw, 9rem);
  border-top: 1px solid var(--line);
}
.section:first-of-type { border-top: 0; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .9rem var(--pad-x);
  background: linear-gradient(to bottom, rgba(0,0,0,.85), rgba(0,0,0,.35) 70%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background .35s var(--ease);
}
.site-header.is-scrolled {
  background: linear-gradient(to bottom, rgba(0,0,0,.92), rgba(0,0,0,.55) 80%, rgba(0,0,0,.15));
}
.site-header .brand {
  color: var(--fg);
  display: inline-flex;
  align-items: center;
  transition: opacity .25s var(--ease);
}
.site-header .brand:hover { opacity: .75; }
.site-header .brand img { height: 1.7rem; width: auto; }

.site-nav ul {
  display: flex;
  gap: clamp(.9rem, 2.5vw, 1.8rem);
}
.site-nav a {
  font-family: var(--font-en);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-mute);
  padding: .4rem .1rem;
  position: relative;
  transition: color .25s var(--ease);
}
.site-nav a:hover { color: var(--fg); }
.site-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--fg);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.site-nav a:hover::after { transform: scaleX(1); }

@media (max-width: 540px) {
  .site-nav ul { gap: 1rem; }
  .site-nav a { font-size: .68rem; letter-spacing: .1em; }
}

/* ---------- HERO (visual-only KV banner) ---------- */
.hero {
  position: relative;
  height: clamp(22rem, 75svh, 44rem);
  overflow: hidden;
  border-top: 0;
}
.hero__bg {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 1;
  filter: saturate(.92) contrast(1.04);
}
.hero::before {
  /* Soft vignette + bottom fade — keeps the photo dominant
     but blends into the dark page below. */
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(0,0,0,0) 0%, rgba(0,0,0,.25) 60%, rgba(0,0,0,.55) 100%),
    linear-gradient(to bottom, rgba(0,0,0,.15) 0%, rgba(0,0,0,0) 25%, rgba(0,0,0,.6) 92%, var(--bg-0) 100%);
  pointer-events: none;
  z-index: 1;
}
@media (max-width: 720px) {
  .hero { height: clamp(20rem, 60svh, 32rem); }
}

/* ---------- INTRO (text block under the KV) ---------- */
.intro {
  /* The KV already sits flush above — no top border, gentler top padding. */
  border-top: 0;
  padding-top: clamp(3rem, 8vw, 5rem);
  padding-bottom: clamp(4rem, 10vw, 7rem);
}
.intro__inner { position: relative; }

.eyebrow {
  font-family: var(--font-en);
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--fg-mute);
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.5rem);
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--fg);
  box-shadow: 0 0 0 4px rgba(255,255,255,.06);
  animation: pulse 2.6s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(255,255,255,.06); }
  50%      { box-shadow: 0 0 0 8px rgba(255,255,255,.02); }
}

/* Hero tagline now functions as the H1 — large, layered over the studio shot. */
.hero__tagline {
  margin: 0 0 clamp(2rem, 4vw, 2.75rem);
  max-width: 26ch;
  color: var(--fg);
}
.hero__tagline-en {
  display: block;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: clamp(2.4rem, 6.5vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: -.035em;
  color: var(--fg);
}
.hero__tagline-jp {
  display: block;
  margin-top: 1rem;
  font-family: var(--font-jp);
  font-size: clamp(.85rem, 1.6vw, 1.05rem);
  font-weight: 300;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--fg-mute);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  padding: .95rem 1.4rem;
  font-family: var(--font-en);
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  border: 1px solid var(--fg);
  transition: background .3s var(--ease), color .3s var(--ease), transform .3s var(--ease);
}
.btn .arrow { width: 1.05rem; height: 1.05rem; transition: transform .3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn--primary { background: var(--fg); color: var(--bg-0); }
.btn--primary:hover { background: transparent; color: var(--fg); }
.btn--ghost { color: var(--fg); border-color: var(--line-2); }
.btn--ghost:hover { border-color: var(--fg); }

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 1.75rem;
  transform: translateX(-50%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  color: var(--fg-dim);
  font-family: var(--font-en);
  font-size: .7rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  z-index: 3;
}
.hero__scroll-line {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, var(--fg-dim), transparent);
  position: relative; overflow: hidden;
}
.hero__scroll-line::after {
  content: ''; position: absolute; left: 0; top: -36px;
  width: 1px; height: 36px; background: var(--fg);
  animation: scrollDrip 2.2s var(--ease) infinite;
}
@keyframes scrollDrip {
  0%   { top: -36px; }
  60%  { top: 36px;  }
  100% { top: 36px;  }
}

/* ---------- B-roll ---------- */
.broll {
  margin: 0;
  padding: 0;
  overflow: hidden;
  position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.broll img {
  width: 100%;
  height: clamp(14rem, 38vw, 26rem);
  object-fit: cover;
  filter: saturate(.95) contrast(1.04) brightness(.95);
  transition: filter .9s var(--ease), transform 1.2s var(--ease);
}
.broll.is-revealed img { filter: saturate(1) contrast(1.06) brightness(1); }

.broll-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
@media (min-width: 720px) {
  .broll-split { grid-template-columns: 1fr 1fr; }
}
.broll-split__cell { margin: 0; overflow: hidden; }
.broll-split__cell img {
  width: 100%;
  height: clamp(12rem, 32vw, 22rem);
  object-fit: cover;
  filter: saturate(.95) contrast(1.05) brightness(.95);
}

/* ---------- Section heading ---------- */
.section__head {
  display: grid;
  gap: .5rem;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
  max-width: 50rem;
}
.section__num {
  font-family: var(--font-en);
  font-size: .8rem;
  letter-spacing: .35em;
  color: var(--fg-dim);
}
.section__title {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: clamp(2rem, 6vw, 3.2rem);
  line-height: 1.04;
  letter-spacing: -.025em;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1rem;
}
.section__title .jp {
  font-family: var(--font-jp);
  font-weight: 400;
  font-size: .42em;
  letter-spacing: .04em;
  color: var(--fg-mute);
}
.section__desc {
  color: var(--fg-mute);
  font-size: .98rem;
  max-width: 40rem;
  margin-top: .5rem;
}
.section__desc span { display: block; }
.section__desc span + span { color: var(--fg-dim); font-size: .9em; margin-top: .25rem; font-family: var(--font-en); }

/* ---------- Latest Beat ---------- */
.video-card { position: relative; }
.video-card__embed {
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  overflow: hidden;
  isolation: isolate;
}
.video-card__embed iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}
.video-card__poster {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  color: var(--fg);
  background:
    radial-gradient(ellipse at center, rgba(255,255,255,.06), transparent 60%),
    var(--bg-1);
  transition: background .35s var(--ease);
}
.video-card__poster:hover {
  background:
    radial-gradient(ellipse at center, rgba(255,255,255,.1), transparent 60%),
    var(--bg-1);
}
.video-card__icon {
  width: clamp(4rem, 9vw, 6rem);
  height: clamp(4rem, 9vw, 6rem);
  color: var(--fg);
  transition: transform .35s var(--ease);
}
.video-card__poster:hover .video-card__icon { transform: scale(1.06); }
.video-card__poster-label {
  font-family: var(--font-en);
  font-size: .78rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

/* Thumbnail variant — used when the JS successfully fetches the
   latest upload from the YouTube Data API. */
.video-card__thumb {
  position: absolute;
  inset: 0;
  border: 0;
  padding: 0;
  background: none;
  cursor: pointer;
  overflow: hidden;
  display: block;
}
.video-card__thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease), filter .35s var(--ease);
}
.video-card__thumb:hover img,
.video-card__thumb:focus-visible img {
  transform: scale(1.03);
  filter: brightness(.78);
}
.video-card__play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: clamp(4.5rem, 9vw, 6.5rem);
  height: clamp(4.5rem, 9vw, 6.5rem);
  color: var(--fg);
  pointer-events: none;
  transition: transform .35s var(--ease);
  filter: drop-shadow(0 4px 24px rgba(0,0,0,.45));
}
.video-card__thumb:hover .video-card__play,
.video-card__thumb:focus-visible .video-card__play {
  transform: translate(-50%, -50%) scale(1.06);
}
.video-card__title {
  margin: 1rem 0 0;
  font-family: var(--font-en);
  font-size: clamp(.95rem, 1.6vw, 1.1rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -.005em;
  color: var(--fg);
  max-width: 50rem;
}

.video-card__meta {
  margin-top: .9rem;
  font-family: var(--font-en);
  font-size: .8rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--fg-dim);
  display: flex; gap: .65rem; flex-wrap: wrap;
}
.video-card__meta a { color: var(--fg-mute); }
.video-card__meta a:hover { color: var(--fg); }

/* ---------- Beat Store ---------- */
.store-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .store-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}
.store-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: var(--bg-1);
  padding: clamp(1.5rem, 3vw, 2rem);
  transition: border-color .35s var(--ease), transform .35s var(--ease), background .35s var(--ease);
}
.store-card--main {
  min-height: 0;
  position: relative;
  overflow: hidden;
}
.store-card--main::after {
  content: '';
  position: absolute;
  inset: auto -10% -40% auto;
  width: 70%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(255,255,255,.06), transparent 60%);
  pointer-events: none;
}
.store-card--main:hover {
  border-color: var(--fg);
  background: #0c0c0e;
}
.store-card__head {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-en);
  font-size: .72rem; letter-spacing: .25em; text-transform: uppercase;
  color: var(--fg-dim);
}
.store-card__tag { color: var(--fg-mute); }
.store-card__title {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1;
  letter-spacing: -.03em;
  margin-top: 1.75rem;
}
.store-card__desc {
  color: var(--fg-mute);
  margin-top: 1rem;
  font-size: .95rem;
}
.store-card__cta {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-en);
  font-size: .82rem; letter-spacing: .18em; text-transform: uppercase;
  margin-top: 1.75rem;
  color: var(--fg);
}
.store-card__cta .arrow { width: 1rem; height: 1rem; transition: transform .3s var(--ease); }
.store-card__cta:hover .arrow, .store-card__cta:focus-visible .arrow { transform: translateX(4px); }
.store-card__cta:focus-visible { outline: 1px solid var(--fg); outline-offset: 5px; }
.store-tracks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(.55rem, 1.8vw, 1.25rem); margin-top: clamp(2rem, 4vw, 3rem); position: relative; z-index: 1; }
.store-track { min-width: 0; display: block; overflow: hidden; border: 1px solid var(--line-2); background: #111; transition: border-color .25s var(--ease); }
.store-track:hover, .store-track:focus-visible { border-color: var(--fg); }
.store-track img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: center; filter: saturate(.78) brightness(.85); transition: filter .3s var(--ease), transform .3s var(--ease); }
.store-track:hover img { filter: saturate(1) brightness(1); transform: scale(1.025); }
.store-track__name { display: flex; align-items: center; justify-content: space-between; gap: .25rem; padding: .65rem .75rem; font: 500 clamp(.7rem, 1.6vw, .85rem)/1.35 var(--font-en); letter-spacing: .02em; }
.store-track__name span { color: var(--fg-mute); }
@media (max-width: 550px) {
  .store-tracks { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: .4rem; }
  .store-track { flex: 0 0 76%; scroll-snap-align: start; }
}
.store-cards-stack { display: grid; gap: 1rem; }
.store-card--info { gap: .25rem; }
.store-card__kicker {
  font-family: var(--font-en);
  font-size: .68rem; letter-spacing: .3em; text-transform: uppercase;
  color: var(--fg-dim);
}
.store-card__h {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 1.4rem;
  letter-spacing: -.01em;
  margin-top: .3rem;
}

.license-options { margin-top: clamp(2.5rem, 5vw, 4rem); }
.license-options > .store-card__kicker { margin-bottom: .8rem; }
.license-row { border-top: 1px solid var(--line-2); padding: clamp(1.4rem, 3vw, 2rem) 0; }
.license-row__head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: .85rem; }
.license-row__head h3 { font: 600 clamp(1.15rem, 2.4vw, 1.55rem)/1.35 var(--font-en); letter-spacing: -.02em; }
.license-row__head p { font: 500 clamp(1rem, 2vw, 1.2rem)/1.3 var(--font-en); white-space: nowrap; }
.license-row > p { color: var(--fg-mute); font-size: .88rem; line-height: 1.75; }
.license-row > p[lang="en"] { font-family: var(--font-en); margin-top: .25rem; }
.major-inquiry { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.45rem; border: 1px solid var(--line-2); background: var(--bg-1); transition: border-color .25s var(--ease); }
.major-inquiry:hover, .major-inquiry:focus-visible { border-color: var(--fg); }
.major-inquiry strong, .major-inquiry small { display: block; }
.major-inquiry strong { font: 600 clamp(1rem, 2vw, 1.25rem)/1.5 var(--font-en); }
.major-inquiry small { color: var(--fg-mute); font-size: .82rem; margin-top: .35rem; }
.major-inquiry__hint { margin: .65rem 0 0; color: var(--fg-dim); font: .76rem var(--font-en); }
.license-notice { margin-top: clamp(3rem, 6vw, 5rem); border-top: 1px solid var(--line-2); padding-top: 1.5rem; }
.license-notice h3 { font: 600 1.15rem var(--font-en); margin-bottom: 1.4rem; }
.license-notice h3 span { font: 300 .8rem var(--font-jp); color: var(--fg-mute); }
.license-notice__grid { display: grid; gap: 2rem; }
@media (min-width: 800px) { .license-notice__grid { grid-template-columns: 1fr 1fr; gap: 3rem; } }
.license-notice__grid p { color: var(--fg-mute); font-size: .82rem; line-height: 1.85; margin-bottom: .85rem; }
@media (max-width: 550px) { .license-row__head { display: block; } .license-row__head p { margin-top: .4rem; } }

/* ---------- About ---------- */
.about-layout {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .about-layout {
    grid-template-columns: 1fr 1.15fr;
    gap: clamp(2.5rem, 5vw, 4rem);
    align-items: start;
  }
}
.about-photo {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-1);
}
.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 5;
  filter: saturate(.95) contrast(1.05) brightness(1);
}
.about-text {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.25rem);
}
.about-col {
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}
.about-lang {
  font-family: var(--font-en);
  font-size: .7rem; letter-spacing: .35em; text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 1rem;
}
.about-lead {
  font-weight: 500;
  font-size: 1.15rem;
  line-height: 1.55;
  margin-bottom: 1rem;
  color: var(--fg);
}
.about-col p { margin-bottom: 1rem; color: var(--fg-mute); }
.about-col[lang="en"] { font-family: var(--font-en); }
.about-col[lang="ja"] { font-family: var(--font-jp); font-weight: 300; }

.about-tags {
  display: flex; flex-wrap: wrap; gap: .5rem;
  margin-top: clamp(.5rem, 1.5vw, 1rem);
}
.about-tags li {
  font-family: var(--font-en);
  font-size: .76rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: .55rem .9rem;
  border: 1px solid var(--line-2);
  color: var(--fg-mute);
}

/* ---------- Links ---------- */
.link-list { border-top: 1px solid var(--line); }
.link-list li { border-bottom: 1px solid var(--line); }
.link-list a {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 1rem;
  padding: clamp(1.1rem, 3.5vw, 1.6rem) 0;
  transition: padding .35s var(--ease), color .35s var(--ease);
}
.link-list a:hover {
  padding-inline: .5rem;
  color: var(--fg);
}
.link-list__num {
  font-family: var(--font-en);
  font-size: .78rem; letter-spacing: .25em;
  color: var(--fg-dim);
  min-width: 2.5rem;
}
.link-list__label {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: clamp(1.4rem, 4vw, 2.4rem);
  letter-spacing: -.02em;
  color: var(--fg);
}
.link-list__handle {
  font-family: var(--font-en);
  font-size: .85rem;
  letter-spacing: .05em;
  color: var(--fg-mute);
  display: none;
}
@media (min-width: 700px) { .link-list__handle { display: inline; } }
.link-list__arrow {
  width: 1.4rem; height: 1.4rem;
  color: var(--fg-dim);
  transition: color .3s var(--ease), transform .3s var(--ease);
}
.link-list a:hover .link-list__arrow {
  color: var(--fg);
  transform: translate(3px, -3px);
}

/* ---------- Contact ---------- */
.section--contact { padding-bottom: clamp(6rem, 12vw, 9rem); }
.contact-card {
  border: 1px solid var(--line);
  background: var(--bg-1);
  padding: clamp(1.75rem, 5vw, 3rem);
  display: grid;
  gap: 1.5rem;
}
.contact-card__copy span { display: block; }
.contact-card__copy span[lang="en"] {
  color: var(--fg-dim);
  font-size: .9em;
  margin-top: .65rem;
  font-family: var(--font-en);
}
.contact-card__copy span[lang="ja"] {
  color: var(--fg-mute);
  font-family: var(--font-jp);
}
.contact-card__mail {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: padding .35s var(--ease);
}
.contact-card__mail:hover { padding-inline: .25rem; }
.contact-card__mail-label {
  font-family: var(--font-en);
  font-size: .72rem; letter-spacing: .3em; text-transform: uppercase;
  color: var(--fg-dim);
}
.contact-card__mail-addr {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: clamp(1.1rem, 3.5vw, 1.75rem);
  letter-spacing: -.01em;
  word-break: break-all;
}
.contact-card__mail .arrow {
  width: 1.4rem; height: 1.4rem;
  transition: transform .3s var(--ease);
}
.contact-card__mail:hover .arrow { transform: translateX(4px); }
.contact-card__copybtn {
  align-self: start;
  font-family: var(--font-en);
  font-size: .72rem; letter-spacing: .25em; text-transform: uppercase;
  color: var(--fg-mute);
  padding: .55rem .9rem;
  border: 1px solid var(--line-2);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.contact-card__copybtn:hover {
  color: var(--fg);
  border-color: var(--fg);
}
.contact-card__copybtn.is-copied .contact-card__copybtn-label::after {
  content: ' — copied';
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 2.5rem;
}
.site-footer__row {
  display: grid;
  gap: 1.25rem;
  align-items: center;
}
@media (min-width: 720px) {
  .site-footer__row { grid-template-columns: 1fr auto auto; gap: 2rem; }
}
.site-footer__brand img { height: 1.4rem; width: auto; }
.site-footer__meta {
  display: flex; flex-wrap: wrap; gap: .65rem;
  font-family: var(--font-en);
  font-size: .72rem;
  letter-spacing: .15em;
  color: var(--fg-dim);
  text-transform: uppercase;
}
.site-footer__back a {
  font-family: var(--font-en);
  font-size: .72rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--fg-mute);
  transition: color .25s var(--ease);
}
.site-footer__back a:hover { color: var(--fg); }

/* ---------- Reveal animation ----------
 * Only hide elements when JS has confirmed it can drive the reveal.
 * Without the `html.js` class (script blocked, error, or print) the
 * elements stay fully visible as a safety net. */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}
html.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- Selection ---------- */
::selection { background: var(--fg); color: var(--bg-0); }

/* =========================================================
   PREVIEW PASSWORD GATE
   Visible only while <html> has class "locked".
   When unlocked, the gate is hidden and the rest of the
   document becomes visible normally.
   ========================================================= */
.auth-gate { display: none; }
html.locked body > *:not(.auth-gate):not(.ambient) { display: none !important; }
html.locked .ambient { opacity: .4; }
html.locked { overflow: hidden; }
html.locked .auth-gate {
  display: flex;
  position: fixed;
  inset: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--bg-0);
}

.auth-gate__inner {
  width: 100%;
  max-width: 26rem;
  text-align: center;
}
.auth-gate__brand { margin: 0 0 clamp(2rem, 6vw, 3rem); }
.auth-gate__brand img {
  height: clamp(2rem, 6vw, 2.5rem);
  width: auto;
  margin: 0 auto;
}
.auth-gate__eyebrow {
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin: 0 0 .65rem;
}
.auth-gate__title {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: clamp(1.4rem, 4vw, 1.85rem);
  letter-spacing: -.02em;
  color: var(--fg);
  margin: 0 0 .5rem;
}
.auth-gate__desc {
  font-family: var(--font-en);
  color: var(--fg-mute);
  font-size: .9rem;
  margin: 0 0 clamp(1.5rem, 4vw, 2rem);
}
.auth-gate__form {
  display: flex;
  flex-direction: column;
  gap: .65rem;
}
.auth-gate__input {
  width: 100%;
  padding: .95rem 1rem;
  background: transparent;
  border: 1px solid var(--line-2);
  border-radius: 0;
  color: var(--fg);
  font-family: var(--font-en);
  font-size: 1rem;
  letter-spacing: .02em;
  outline: none;
  transition: border-color .25s var(--ease);
  -webkit-appearance: none; appearance: none;
}
.auth-gate__input::placeholder { color: var(--fg-dim); }
.auth-gate__input:focus { border-color: var(--fg); }
.auth-gate__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  padding: .95rem 1rem;
  background: var(--fg);
  color: var(--bg-0);
  border: 1px solid var(--fg);
  font-family: var(--font-en);
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .25s var(--ease), color .25s var(--ease), transform .15s var(--ease);
}
.auth-gate__btn .arrow {
  width: 1.05rem; height: 1.05rem;
  transition: transform .25s var(--ease);
}
.auth-gate__btn:hover {
  background: transparent;
  color: var(--fg);
}
.auth-gate__btn:hover .arrow { transform: translateX(4px); }
.auth-gate__btn:active { transform: scale(.985); }
.auth-gate__msg {
  font-family: var(--font-en);
  font-size: .82rem;
  color: #e88a8a;
  margin: .9rem 0 0;
  letter-spacing: .02em;
}
.auth-gate.is-shake .auth-gate__inner {
  animation: gate-shake .35s var(--ease);
}
@keyframes gate-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}