/* ═══════════════════════════════════════════════════════
   YugenK — Gallery Portfolio
   Design: Editorial / Gallery / Luxury Automotive
   ═══════════════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --paper:   #FAF8F4;
  --surface: #FFFFFF;
  --ink:     #14161A;
  --ink-sub: #6B6F76;
  --line:    #E3DFD8;
  --accent:  #C0531A;
  --dark:    #14161A;
  --font-head: 'Archivo', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-ja:   'Noto Sans JP', sans-serif;
  --font-serif:'Instrument Serif', Georgia, serif;
  --nav-h: 60px;
  --trans: 0.35s ease;
  --radius: 2px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { background: none; border: none; cursor: pointer; font-family: inherit; }
ul { list-style: none; }

/* ── Container ── */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3.5rem);
}
.section-pad { padding: clamp(4rem, 10vw, 8rem) 0; }
.section-paper { background: var(--surface); }
.section-dark   { background: var(--dark); }

/* ── Section headers ── */
.section-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section-label--light { color: rgba(255,255,255,0.5); }

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--ink);
  margin-bottom: 1.5rem;
}
.section-title--light { color: #fff; }

.section-sub {
  font-size: 0.95rem;
  color: var(--ink-sub);
  max-width: 520px;
  line-height: 1.8;
  margin-bottom: 0.4rem;
}
.section-sub--ja {
  font-family: var(--font-ja);
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--ink-sub);
}
.section-header { margin-bottom: clamp(2.5rem, 5vw, 4rem); }

/* ════════════════════════════════
   LANGUAGE TOGGLE
════════════════════════════════ */
#lang-toggle {
  position: fixed;
  top: calc((var(--nav-h) - 30px) / 2);
  right: clamp(1rem, 3vw, 2rem);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(250,248,244,0.9);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(227,223,216,0.7);
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ink-sub);
  transition: opacity var(--trans);
}
.lang-btn {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ink-sub);
  padding: 0.15rem 0.1rem;
  transition: color var(--trans);
  line-height: 1;
}
.lang-btn.active { color: var(--ink); font-weight: 700; }
.lang-btn:hover  { color: var(--accent); }

/* ════════════════════════════════
   NAVIGATION
════════════════════════════════ */
#site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background var(--trans), border-color var(--trans), box-shadow var(--trans);
  border-bottom: 1px solid transparent;
}
/* Hero上では文字を白に */
#site-nav:not(.scrolled) .nav-logo,
#site-nav:not(.scrolled) .nav-links a,
#site-nav:not(.scrolled) .nav-ig {
  color: rgba(255,255,255,0.85);
}
#site-nav.scrolled {
  background: rgba(250,248,244,0.96);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
  box-shadow: 0 1px 0 var(--line);
}
/* \u30b9\u30af\u30ed\u30fc\u30eb\u5f8c\u306f\u6587\u5b57\u8272\u3092\u6b63\u898f\u306b\u623b\u3059 */
#site-nav.scrolled .nav-logo { color: var(--ink); }
#site-nav.scrolled .nav-links a { color: var(--ink-sub); }
#site-nav.scrolled .nav-ig { color: var(--ink-sub); }
.nav-inner {
  height: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3.5rem);
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-logo {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  gap: 1.8rem;
  align-items: center;
  margin-left: auto;
  margin-right: 7rem; /* room for lang toggle */
}
.nav-links a {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-sub);
  transition: color var(--trans);
  padding: 0.2rem 0;
  border-bottom: 1px solid transparent;
  transition: color var(--trans), border-color var(--trans);
}
.nav-links a:hover { color: var(--ink); border-bottom-color: var(--accent); }
.nav-ig {
  font-size: 1.1rem;
  color: var(--ink-sub);
  transition: color var(--trans);
  flex-shrink: 0;
}
.nav-ig:hover { color: var(--accent); }

/* ════════════════════════════════
   HERO
════════════════════════════════ */
#hero {
  position: relative;
  height: 100vh;
  height: 100svh; /* progressive enhancement */
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  padding-bottom: clamp(3rem, 8vw, 5rem);
  overflow: hidden;
}
.hero-img-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(20,22,26,0.82) 0%,
    rgba(20,22,26,0.35) 50%,
    rgba(20,22,26,0.1) 100%
  );
}
.hero-body {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 3.5rem);
}
.hero-label {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 0.75rem;
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(3.2rem, 10vw, 7rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 0.95;
  color: #fff;
  margin-bottom: 1rem;
}
.hero-statement {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: rgba(255,255,255,0.75);
  margin-bottom: 2rem;
  max-width: 400px;
}
.hero-ctas {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.75rem;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: background var(--trans), color var(--trans);
  min-height: 48px;
  border-radius: var(--radius);
}
.btn-primary:hover { background: var(--accent); color: #fff; }

.btn-ig {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  background: transparent;
  color: rgba(255,255,255,0.9);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.45);
  transition: background var(--trans), border-color var(--trans);
  min-height: 48px;
  border-radius: var(--radius);
}
.btn-ig:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.8); }

/* ════════════════════════════════
   WORKS
════════════════════════════════ */
#works { background: var(--paper); }

.works-filter {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-btn {
  padding: 0.45rem 1.1rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-sub);
  border: 1px solid var(--line);
  transition: all var(--trans);
  border-radius: var(--radius);
  min-height: 36px;
}
.filter-btn:hover  { color: var(--ink); border-color: var(--ink); }
.filter-btn.active { color: var(--surface); background: var(--ink); border-color: var(--ink); }

/* Masonry 2-col */
.masonry {
  columns: 2;
  column-gap: 24px;
}
@media (max-width: 600px) { .masonry { columns: 1; } }

.work-card {
  break-inside: avoid;
  margin-bottom: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--trans);
}
.work-card:hover { box-shadow: 0 4px 24px rgba(20,22,26,0.08); }
.work-card.hidden { display: none; }

.work-img-wrap {
  position: relative;
  overflow: hidden;
}
.work-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}
.work-card:hover .work-img-wrap img { transform: scale(1.03); }

.work-zoom {
  position: absolute;
  top: 0.75rem; right: 0.75rem;
  width: 36px; height: 36px;
  background: rgba(250,248,244,0.9);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  opacity: 0;
  transition: opacity var(--trans), background var(--trans);
  border-radius: var(--radius);
}
.work-card:hover .work-zoom { opacity: 1; }
.work-zoom:hover { background: var(--accent); color: #fff; }

/* Placeholder cards */
.work-img-placeholder {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.placeholder-inner {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--line);
  line-height: 2;
}

.work-meta {
  padding: 1rem 1.25rem 1.25rem;
  border-top: 1px solid var(--line);
}
.work-title {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.work-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
}
.work-specs li {
  display: flex;
  gap: 0.4rem;
  font-size: 0.72rem;
  align-items: baseline;
}
.spec-key {
  color: var(--ink-sub);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  flex-shrink: 0;
}
.spec-val { color: var(--ink); font-weight: 500; }

/* Age highlight */
.spec-age     { color: var(--accent); }
.spec-age-val {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
}

/* ════════════════════════════════
   RECOGNITION
════════════════════════════════ */
.recog-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  border: 1px solid rgba(255,255,255,0.1);
  padding: 2rem;
  margin-bottom: 3.5rem;
}
.recog-item {
  text-align: center;
  padding: 0 2.5rem;
}
.recog-name {
  display: block;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.85);
}
.recog-sub {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-top: 0.2rem;
}
.recog-divider {
  width: 1px;
  height: 2rem;
  background: rgba(255,255,255,0.15);
  flex-shrink: 0;
}

.stats-row {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 4rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.stat-block { text-align: center; }
.stat-num {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #fff;
  line-height: 1;
  display: inline;
}
.stat-unit {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  vertical-align: super;
}
.stat-label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-top: 0.4rem;
}

.recog-photos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
}
.recog-photo {
  overflow: hidden;
  aspect-ratio: 1;
  position: relative;
}
.recog-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  filter: grayscale(20%) brightness(0.85);
  transition: filter var(--trans), transform 0.5s ease;
}
.recog-photo:hover img { filter: grayscale(0%) brightness(1); transform: scale(1.04); }
.recog-photo figcaption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 0.6rem 0.8rem;
  background: linear-gradient(transparent, rgba(20,22,26,0.75));
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}
@media (max-width: 600px) {
  .recog-photos { grid-template-columns: 1fr 1fr; }
  .recog-photos .recog-photo:last-child { display: none; }
}

/* ════════════════════════════════
   THE ARTIST
════════════════════════════════ */
#artist { background: var(--paper); }
.artist-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}
@media (max-width: 768px) {
  .artist-grid { grid-template-columns: 1fr; }
}
.artist-photo-main img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius);
}
.artist-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--ink);
  line-height: 1.6;
  border-left: 2px solid var(--accent);
  padding-left: 1.25rem;
  margin: 1.5rem 0 1.5rem;
}
.artist-bio {
  font-size: 0.95rem;
  color: var(--ink-sub);
  line-height: 1.85;
  margin-bottom: 1rem;
}
.artist-bio p + p { margin-top: 0.85rem; }

/* Japanese bio — subordinate styling */
.artist-bio[data-lang-show="ja"] {
  font-family: var(--font-ja);
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--ink-sub);
  line-height: 2;
}

.artist-managed {
  margin-top: 1.75rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--ink-sub);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: var(--radius);
}
.artist-managed i { color: var(--accent); }

/* ════════════════════════════════
   SUPPORT
════════════════════════════════ */
.support-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 2rem;
}
@media (max-width: 768px) {
  .support-cards { grid-template-columns: 1fr; }
}
.support-card {
  background: var(--surface);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
}
.support-num {
  font-family: var(--font-head);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.support-card-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.75rem;
}
.support-card-body {
  font-size: 0.88rem;
  color: var(--ink-sub);
  line-height: 1.75;
  flex: 1;
}
.support-card-body--ja {
  font-family: var(--font-ja);
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--ink-sub);
  line-height: 2;
  margin-top: 0.4rem;
  flex: 0;
  display: none; /* shown by JS when ja active */
}
.support-card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1.5rem;
  padding: 0.7rem 1.5rem;
  background: var(--ink);
  color: var(--surface);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background var(--trans);
  min-height: 48px;
  border-radius: var(--radius);
}
.support-card-btn:hover { background: var(--accent); }
.support-card-btn--outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.support-card-btn--outline:hover { background: var(--ink); color: var(--surface); }

.support-note {
  font-size: 0.78rem;
  color: var(--ink-sub);
  line-height: 1.7;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}
.support-note i { color: var(--accent); flex-shrink: 0; margin-top: 2px; }

/* ════════════════════════════════
   CONNECT
════════════════════════════════ */
.connect-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}
@media (max-width: 600px) {
  .connect-grid { grid-template-columns: 1fr; justify-items: center; }
}

.connect-qr { text-align: center; }
#qrcode {
  display: inline-block;
  padding: 1rem;
  background: #fff;
  border-radius: var(--radius);
  line-height: 0;
}
#qrcode canvas { border-radius: 2px; }

.qr-label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-top: 0.75rem;
}
.qr-handle {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: rgba(255,255,255,0.75);
  margin-top: 0.25rem;
}

.connect-btns { display: flex; flex-direction: column; gap: 0.75rem; padding-top: 0.5rem; }

.connect-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius);
  transition: border-color var(--trans), background var(--trans);
  min-height: 64px;
  color: #fff;
}
.connect-btn:hover { border-color: rgba(255,255,255,0.55); background: rgba(255,255,255,0.05); }
.connect-btn i { font-size: 1.4rem; flex-shrink: 0; color: rgba(255,255,255,0.55); }
.connect-btn strong { display: block; font-size: 0.85rem; font-weight: 700; }
.connect-btn em { display: block; font-size: 0.72rem; font-style: normal; color: rgba(255,255,255,0.45); margin-top: 0.1rem; }
.connect-btn--ig i { color: #e1306c; }

.connect-managed {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.05em;
  padding: 0.5rem 0;
}

/* ════════════════════════════════
   FOOTER
════════════════════════════════ */
.site-footer {
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1.75rem 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-logo {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  color: rgba(255,255,255,0.7);
}
.footer-copy {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.03em;
  flex: 1;
}
.footer-ig {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.35);
  transition: color var(--trans);
}
.footer-ig:hover { color: var(--accent); }

/* ════════════════════════════════
   LIGHTBOX
════════════════════════════════ */
#lightbox { position: fixed; inset: 0; z-index: 9000; display: flex; align-items: center; justify-content: center; }
#lightbox[hidden] { display: none; }
#lb-backdrop {
  position: absolute; inset: 0;
  background: rgba(20,22,26,0.95);
  backdrop-filter: blur(6px);
}
.lb-wrap {
  position: relative;
  z-index: 1;
  width: min(96vw, 1100px);
  max-height: 94vh;
  overflow-y: auto;
  background: var(--surface);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
}
.lb-close {
  position: absolute;
  top: 0.75rem; right: 0.75rem;
  z-index: 2;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: var(--ink-sub);
  transition: color var(--trans);
  border-radius: var(--radius);
}
.lb-close:hover { color: var(--accent); }
.lb-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  transition: color var(--trans), border-color var(--trans);
  z-index: 9001;
}
.lb-prev { left: 1rem; }
.lb-next { right: 1rem; }
.lb-nav:hover { color: #fff; border-color: rgba(255,255,255,0.6); }
.lb-inner {
  display: grid;
  grid-template-columns: 1fr 320px;
  min-height: 0;
}
@media (max-width: 680px) {
  .lb-inner { grid-template-columns: 1fr; }
}
.lb-img-col {
  overflow: hidden;
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
}
.lb-img-col img {
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
}
.lb-info-col {
  padding: 2rem 1.5rem;
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
}
.lb-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.lb-specs {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.lb-specs li {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--line);
}
.lb-specs li:last-child { border-bottom: none; }
.lb-specs .sk { color: var(--ink-sub); }
.lb-specs .sv { color: var(--ink); font-weight: 600; }
.lb-specs .sv-age { color: var(--accent); font-weight: 700; }
.lb-ep {
  font-size: 0.85rem;
  color: var(--ink-sub);
  line-height: 1.8;
  font-style: italic;
}

/* ════════════════════════════════
   SCROLL REVEAL
════════════════════════════════ */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ════════════════════════════════
   REDUCED MOTION
════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .fade-up { opacity: 1; transform: none; transition: none; }
}

/* ════════════════════════════════
   RESPONSIVE
════════════════════════════════ */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-inner  { justify-content: space-between; }
  /* \u30e2\u30d0\u30a4\u30eb: logo\u3068lang\u30c8\u30b0\u30eb\u304c\u91cd\u306a\u3089\u306a\u3044\u3088\u3046\u306b\u30c4\u30fc\u30eb */
  .nav-ig { margin-right: 6rem; }
}
@media (max-width: 480px) {
  .recog-bar { flex-direction: column; gap: 1.5rem; }
  .recog-divider { width: 2rem; height: 1px; }
  .stats-row { gap: 1.5rem; }
  /* \u30e2\u30d0\u30a4\u30eb: lang\u30c8\u30b0\u30eb\u306e\u4f4d\u7f6e\u8abf\u6574 */
  #lang-toggle { right: 0.75rem; }
  .nav-ig { margin-right: 5.5rem; }
}

/* ════════════════════════════════
   SCROLLBAR
════════════════════════════════ */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-sub); }