:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #777777;
  --faint: #b8b8b8;
  --line: rgba(0,0,0,.08);
  --soft: rgba(0,0,0,.035);
  --card: rgba(255,255,255,.74);
  --shadow: 0 18px 60px rgba(0,0,0,.08);
  --serif: "Georgia", "Times New Roman", "Noto Serif JP", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  --article-serif: Georgia, "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --article-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --article-text: color-mix(in srgb, var(--text) 82%, var(--muted));
}

html[data-theme="dark"] {
  --bg: #050505;
  --text: #eeeeee;
  --muted: #9a9a9a;
  --faint: #565656;
  --line: rgba(255,255,255,.11);
  --soft: rgba(255,255,255,.055);
  --card: rgba(10,10,10,.72);
  --shadow: 0 18px 70px rgba(0,0,0,.42);
}

html[data-theme="summer"] {
  --bg: #dfecc8;
  --text: #13281e;
  --muted: #4f614e;
  --faint: #75866f;
  --line: rgba(27,56,28,.19);
  --soft: rgba(41,87,39,.12);
  --card: rgba(242,250,222,.38);
  --shadow: 0 24px 78px rgba(18,42,20,.2);
  --article-text: color-mix(in srgb, var(--text) 78%, var(--muted));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: 0;
  transition: background .28s ease, color .28s ease;
}
body::selection { background: var(--text); color: var(--bg); }

html[data-theme="summer"] body {
  position: relative;
  isolation: isolate;
  background:
    linear-gradient(180deg, rgba(7,26,10,.02) 0%, rgba(8,31,11,.08) 52%, rgba(9,24,11,.16) 100%),
    url("../theme/summer-forest-bg.jpg");
  background-attachment: fixed;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
}

html[data-theme="summer"] body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: .17;
  mix-blend-mode: overlay;
  background:
    url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20width='140'%20height='140'%20viewBox='0%200%20140%20140'%3E%3Cfilter%20id='n'%3E%3CfeTurbulence%20type='fractalNoise'%20baseFrequency='.86'%20numOctaves='3'%20stitchTiles='stitch'/%3E%3CfeColorMatrix%20type='saturate'%20values='0'/%3E%3C/filter%3E%3Crect%20width='140'%20height='140'%20filter='url(%23n)'%20opacity='.48'/%3E%3C/svg%3E");
}

html[data-theme="summer"] body::after {
  content: "";
  position: fixed;
  inset: -8%;
  z-index: 0;
  pointer-events: none;
  opacity: .7;
  filter: none;
  background:
    radial-gradient(ellipse at 50% 34%, transparent 0 44%, rgba(7,25,10,.18) 100%),
    linear-gradient(105deg, rgba(255,247,149,.08), transparent 38%, rgba(16,57,17,.12));
}

html[data-theme="summer"] .site-header,
html[data-theme="summer"] main,
html[data-theme="summer"] .site-footer,
html[data-theme="summer"] .lightbox {
  position: relative;
  z-index: 1;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px clamp(22px, 5vw, 72px);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 55%, transparent);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  font-size: 13px;
  color: var(--muted);
}
.brand-mark {
  font-family: var(--serif);
  font-style: italic;
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0;
  color: var(--text);
}
.nav {
  display: flex;
  align-items: center;
  gap: 21px;
  font-size: 13px;
  color: var(--muted);
}
.nav a, .icon-btn {
  position: relative;
  color: var(--muted);
  transition: color .18s ease, opacity .18s ease, transform .18s ease;
}
.nav a:hover, .nav a.active { color: var(--text); }
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -7px;
  height: 1px;
  background: var(--text);
  transform: scaleX(0);
  transform-origin: center;
  opacity: .55;
  transition: transform .22s ease;
}
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }

.icon-btn {
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  display: inline-grid;
  place-items: center;
}
.icon-btn svg { width: 18px; height: 18px; stroke-width: 1.75; }
.icon-btn:hover { color: var(--text); transform: translateY(-1px); }

main {
  width: min(1040px, calc(100% - 44px));
  margin: 0 auto;
}

.hero {
  padding: clamp(80px, 14vw, 190px) 0 70px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(44px, 8vw, 110px);
  align-items: end;
}
.kicker {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .42em;
  color: #9b6b3a;
  font-size: 12px;
  margin-bottom: 24px;
}
html[data-theme="dark"] .kicker { color: #b8966d; }
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(68px, 11vw, 138px);
  line-height: .86;
  letter-spacing: 0;
  margin: 0 0 30px;
  font-weight: 700;
}
.hero p {
  max-width: 480px;
  color: var(--muted);
  font-size: 16px;
  margin: 0;
}
.hero-side {
  color: var(--muted);
  border-left: 1px solid var(--line);
  padding-left: 28px;
  max-width: 350px;
  justify-self: end;
}
.hero-side .year {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
  margin-bottom: 12px;
}
.hero-side a {
  display: inline-block;
  margin-top: 18px;
  color: var(--text);
  font-size: 13px;
}
.section {
  padding: 62px 0;
  border-top: 1px solid var(--line);
}
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 26px;
  gap: 20px;
}
.section-title {
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: 0;
  margin: 0;
}
.section-link {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}
.section-link:hover { color: var(--text); }

.photo-strip {
  display: grid;
  grid-template-columns: 1.28fr .86fr .86fr;
  gap: 12px;
}
.photo-card {
  position: relative;
  overflow: hidden;
  background: var(--soft);
  cursor: zoom-in;
  min-height: 260px;
}
.photo-card:first-child { grid-row: span 2; min-height: 535px; }
.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .55s cubic-bezier(.2,.8,.2,1), filter .55s ease;
}
.photo-card:hover img { transform: scale(1.035); filter: contrast(1.03); }
.photo-meta {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: white;
  font-size: 13px;
  text-shadow: 0 2px 14px rgba(0,0,0,.42);
}
.photo-meta span:last-child {
  font-family: var(--mono);
  opacity: .72;
  font-size: 12px;
}

.posts-list { display: grid; gap: 2px; }
.year-group {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
  padding: 12px 0 34px;
}
.year-label {
  font-family: var(--mono);
  color: var(--faint);
  font-size: 12px;
  padding-top: 7px;
}
.post-row {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 16px;
  align-items: baseline;
  padding: 9px 0;
  border-radius: 8px;
  color: var(--muted);
  transition: color .16s ease, transform .16s ease, background .16s ease;
}
.post-row:hover {
  color: var(--text);
  transform: translateX(4px);
}
.post-date, .post-read {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
}
.post-title {
  color: inherit;
  font-size: 15px;
}
.post-row:hover .post-title { color: var(--text); }

.page-head {
  padding: 90px 0 46px;
}
.page-head h1 {
  font-family: var(--serif);
  font-size: clamp(54px, 8vw, 96px);
  line-height: .92;
  letter-spacing: 0;
  margin: 0 0 22px;
}
.page-head p {
  color: var(--muted);
  max-width: 630px;
  margin: 0;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 32px;
}
.filter-btn {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 7px 12px;
  font: 12px var(--mono);
  cursor: pointer;
  transition: border .18s ease, color .18s ease, background .18s ease;
}
.filter-btn:hover, .filter-btn.active {
  color: var(--text);
  background: var(--soft);
  border-color: color-mix(in srgb, var(--text) 22%, transparent);
}

.photo-grid {
  columns: 3 250px;
  column-gap: 14px;
  padding-bottom: 80px;
}
.grid-card {
  break-inside: avoid;
  margin: 0 0 14px;
  cursor: zoom-in;
}
.grid-card img {
  width: 100%;
  background: var(--soft);
  transition: opacity .2s ease, transform .38s ease;
}
.grid-card:hover img { opacity: .92; transform: translateY(-2px); }
.grid-caption {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0 20px;
  font-size: 13px;
  color: var(--muted);
}
.grid-caption strong { color: var(--text); font-weight: 500; }
.grid-caption span { font-family: var(--mono); font-size: 12px; color: var(--faint); }

.search-wrap {
  max-width: 760px;
  padding-bottom: 80px;
}
.search-box {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font-family: var(--serif);
  font-size: clamp(36px, 7vw, 72px);
  letter-spacing: 0;
  padding: 8px 0 20px;
  outline: 0;
}
.search-box::placeholder { color: var(--faint); }
.search-results { margin-top: 34px; }
.result-item {
  display: block;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}
.result-type {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: .16em;
}
.result-title { margin-top: 2px; font-size: 18px; }
.result-desc { color: var(--muted); font-size: 14px; margin-top: 4px; }

.article {
  max-width: 720px;
  padding: clamp(72px, 10vw, 118px) 0 90px;
}
.article h1 {
  font-family: Georgia, "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: clamp(42px, 5.5vw, 72px);
  line-height: 1.08;
  letter-spacing: 0;
  margin: 0 0 18px;
  text-wrap: balance;
}
.article-meta {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
}
.article-meta span::before {
  content: "";
  display: inline-block;
  width: 3px;
  height: 3px;
  margin-right: 10px;
  border-radius: 999px;
  background: currentColor;
  vertical-align: middle;
}
.article p {
  font-size: 18px;
  line-height: 1.95;
  letter-spacing: 0;
  font-weight: 400;
  color: color-mix(in srgb, var(--text) 76%, var(--muted));
  margin: 0 0 1.35em;
}
.article h2 {
  font-family: Georgia, "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "Hiragino Mincho ProN", "Yu Mincho", serif;
  letter-spacing: 0;
  line-height: 1.22;
  font-size: clamp(28px, 3vw, 38px);
  margin: 2.45em 0 .72em;
}
.article blockquote {
  margin: 2.4em 0;
  padding: 2px 0 2px 22px;
  border-left: 2px solid color-mix(in srgb, var(--text) 28%, transparent);
  color: color-mix(in srgb, var(--text) 68%, var(--muted));
  font-family: Georgia, "Songti SC", "Noto Serif CJK SC", serif;
  font-size: clamp(21px, 2.3vw, 28px);
  line-height: 1.65;
}

.about-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 70px;
  padding-bottom: 90px;
}
.about-grid .mono {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: .18em;
}
.about-grid p {
  color: var(--muted);
  font-size: 17px;
  margin-top: 0;
}

.site-footer {
  width: min(1040px, calc(100% - 44px));
  margin: 0 auto;
  padding: 42px 0 60px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-family: var(--mono);
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
  background: rgba(0,0,0,.86);
  padding: 44px;
  cursor: zoom-out;
}
.lightbox.open { display: grid; }
.lightbox img {
  max-width: min(1120px, 92vw);
  max-height: 86vh;
  object-fit: contain;
  box-shadow: 0 28px 90px rgba(0,0,0,.55);
}
.lightbox-caption {
  position: fixed;
  left: 32px;
  bottom: 24px;
  color: rgba(255,255,255,.7);
  font-size: 13px;
}

.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .65s ease, transform .65s cubic-bezier(.2,.8,.2,1);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 760px) {
  .site-header {
    padding: 20px 20px;
    align-items: flex-start;
  }
  .brand span:not(.brand-mark) { display: none; }
  .nav { gap: 13px; font-size: 12px; }
  main { width: min(100% - 32px, 1040px); }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 82px;
  }
  .hero-side {
    justify-self: stretch;
    border-left: 0;
    padding-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 24px;
  }
  .photo-strip {
    grid-template-columns: 1fr;
  }
  .photo-card, .photo-card:first-child {
    grid-row: auto;
    min-height: 360px;
  }
  .year-group {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .post-row {
    grid-template-columns: 62px 1fr;
  }
  .post-read { display: none; }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .site-footer { flex-direction: column; }
}


/* Sponsors */
.sponsor-intro {
  max-width: 760px;
  padding-bottom: 34px;
}
.sponsor-intro p {
  color: var(--muted);
  font-size: 17px;
  margin: 0 0 18px;
}
.sponsor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.sponsor-button {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 14px;
  color: var(--muted);
  background: color-mix(in srgb, var(--card) 68%, transparent);
  transition: color .18s ease, transform .18s ease, border-color .18s ease, background .18s ease;
}
.sponsor-button:hover {
  color: var(--text);
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--text) 22%, transparent);
  background: var(--soft);
}
.sponsor-button svg {
  width: 17px;
  height: 17px;
  stroke-width: 1.8;
}
.sponsor-section {
  padding: 46px 0 74px;
  border-top: 1px solid var(--line);
}
.sponsor-tabs {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin: 0 0 48px;
  color: var(--muted);
}
.sponsor-tabs button {
  border: 0;
  background: transparent;
  color: inherit;
  font: 14px var(--sans);
  cursor: pointer;
  padding: 6px 2px;
}
.sponsor-tabs button.active {
  color: var(--text);
}
.sponsor-tabs .divider {
  color: var(--faint);
}
.sponsor-panel {
  display: none;
}
.sponsor-panel.active {
  display: block;
}
.sponsor-circles {
  position: relative;
  min-height: 260px;
  width: min(700px, 100%);
  margin: 0 auto;
}
.sponsor-avatar {
  position: absolute;
  left: 50%;
  top: 50%;
  width: var(--size);
  height: var(--size);
  margin-left: calc(var(--size) / -2);
  margin-top: calc(var(--size) / -2);
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 25%, rgba(255,255,255,.38), transparent 32%),
    linear-gradient(135deg, var(--a), var(--b));
  border: 1px solid color-mix(in srgb, var(--bg) 55%, transparent);
  box-shadow: 0 12px 35px rgba(0,0,0,.16);
  transform: translate(var(--x), var(--y));
  transition: transform .22s ease, box-shadow .22s ease;
}
.sponsor-avatar:hover {
  transform: translate(var(--x), calc(var(--y) - 6px)) scale(1.04);
  box-shadow: 0 18px 46px rgba(0,0,0,.22);
}
.sponsor-avatar::after {
  content: attr(data-name);
  position: absolute;
  left: 50%;
  bottom: -30px;
  transform: translateX(-50%);
  white-space: nowrap;
  opacity: 0;
  color: var(--muted);
  font-size: 12px;
  pointer-events: none;
  transition: opacity .18s ease;
}
.sponsor-avatar:hover::after {
  opacity: 1;
}
.tiers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.tier-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  background: var(--soft);
}
.tier-card h3 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 26px;
  letter-spacing: 0;
}
.tier-price {
  font-family: var(--mono);
  color: var(--faint);
  font-size: 12px;
  margin-bottom: 18px;
}
.tier-card p {
  color: var(--muted);
  margin: 0 0 18px;
}
.payment-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 26px;
}
.payment-card {
  display: flex;
  flex-direction: column;
  min-height: 188px;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  background: color-mix(in srgb, var(--card) 70%, transparent);
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.payment-card-link {
  cursor: pointer;
}
.payment-card-link:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--text) 25%, transparent);
  background: color-mix(in srgb, var(--card) 88%, var(--soft));
}
.payment-card-disabled {
  opacity: .62;
  cursor: not-allowed;
}
.payment-card h3 {
  margin: 0 0 6px;
  font-size: 16px;
}
.payment-card p {
  color: var(--muted);
  margin: 0;
  font-size: 13px;
}
.payment-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  margin-top: auto;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text);
  padding: 8px 10px;
  border: 1px solid color-mix(in srgb, var(--text) 18%, transparent);
  border-radius: 999px;
  background: var(--soft);
}
.payment-card-link:hover .payment-cta {
  border-color: color-mix(in srgb, var(--text) 32%, transparent);
}
.payment-cta-muted {
  color: var(--faint);
  border-color: var(--line);
  background: transparent;
}
@media (max-width: 820px) {
  .tiers-grid, .payment-grid { grid-template-columns: 1fr; }
  .sponsor-circles { min-height: 360px; }
}


/* Photo detail */
.photo-detail-head {
  padding: 86px 0 34px;
  max-width: 820px;
}
.photo-detail-head h1 {
  font-family: var(--serif);
  font-size: clamp(54px, 8vw, 104px);
  line-height: .92;
  letter-spacing: 0;
  margin: 0 0 22px;
}
.photo-detail-head p {
  color: var(--muted);
  max-width: 620px;
  margin: 0;
  font-size: 17px;
}
.photo-detail-image {
  margin: 0 0 56px;
  background: var(--soft);
}
.photo-detail-image img {
  width: 100%;
  max-height: 78vh;
  object-fit: cover;
}
.photo-detail-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 70px;
  padding: 0 0 76px;
}
.photo-detail-grid h2,
.exif-card h2 {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: 0;
}
.photo-detail-grid p {
  color: var(--muted);
  font-size: 17px;
  margin: 0;
}
.exif-card {
  border-left: 1px solid var(--line);
  padding-left: 28px;
}
.exif-card dl {
  margin: 0;
  display: grid;
  grid-template-columns: 105px 1fr;
  gap: 9px 14px;
}
.exif-card dt {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: .12em;
}
.exif-card dd {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.tag-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}
.tag-line span {
  font-family: var(--mono);
  color: var(--muted);
  font-size: 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 8px;
}
.related-photos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.related-photos .grid-caption {
  display: flex;
}
@media (max-width: 820px) {
  .photo-detail-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .exif-card {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 28px;
  }
  .related-photos {
    grid-template-columns: 1fr;
  }
}


/* v4.3 compact photo detail */
.photo-detail-head.compact {
  padding-bottom: 28px;
}

.metadata-strip {
  display: grid;
  grid-template-columns: 1.25fr .8fr 1fr 1fr 1.25fr;
  gap: 18px;
  padding: 26px 0 28px;
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  margin-bottom: 18px;
}

.metadata-strip div {
  min-width: 0;
}

.metadata-strip span {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 8px;
}

.metadata-strip strong {
  display: block;
  font-weight: 450;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.compact-tags {
  margin-top: 0;
  margin-bottom: 62px;
}

.photo-note {
  max-width: 760px;
  padding: 0 0 72px;
}

.photo-note h2 {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-size: 30px;
  letter-spacing: 0;
}

.photo-note p {
  color: var(--muted);
  font-size: 17px;
  margin: 0;
}

/* hide the older two-column detail module if any remains */
.photo-detail-grid {
  display: none;
}

@media (max-width: 980px) {
  .metadata-strip {
    grid-template-columns: 1fr 1fr;
  }
  .metadata-strip div:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .metadata-strip {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .compact-tags {
    margin-bottom: 44px;
  }
}


/* v4.4 cleaner search page */
.search-empty {
  padding: 22px 0 0;
  color: var(--muted);
}

.search-empty p {
  margin: 0 0 18px;
  font-size: 14px;
}

.search-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.search-chips button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 10px;
  font: 12px var(--mono);
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background .18s ease, transform .18s ease;
}

.search-chips button:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--text) 24%, transparent);
  background: var(--soft);
  transform: translateY(-1px);
}


/* v4.5 caption overlap fix */
.grid-card {
  display: block;
}

.grid-card img {
  display: block;
}

.grid-caption {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 16px;
  padding: 12px 0 22px;
  line-height: 1.35;
}

.grid-caption strong {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: normal;
}

.grid-caption span {
  white-space: nowrap;
  justify-self: end;
  padding-top: 1px;
}

.photo-meta {
  align-items: end;
}

.photo-meta span:first-child {
  min-width: 0;
  overflow-wrap: anywhere;
  line-height: 1.25;
}

.photo-meta span:last-child {
  flex: 0 0 auto;
  white-space: nowrap;
}


/* v4.6 final safety: card captions are the only text over images */
.photo-meta {
  z-index: 2;
  pointer-events: none;
}

.photo-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 38%;
  background: linear-gradient(to top, rgba(0,0,0,.42), transparent);
  opacity: .9;
  pointer-events: none;
}

.grid-card {
  position: relative;
}


/* v4.7.1 language switcher */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-left: 2px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px;
}

.lang-switcher button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: 10px var(--mono);
  border-radius: 999px;
  padding: 4px 6px;
  cursor: pointer;
  transition: color .18s ease, background .18s ease;
}

.lang-switcher button:hover,
.lang-switcher button.active {
  color: var(--text);
  background: var(--soft);
}

html[data-lang="zh"] body,
html[data-lang="ja"] body {
  letter-spacing: 0;
}

html[data-lang="zh"] .hero h1,
html[data-lang="ja"] .hero h1,
html[data-lang="zh"] .page-head h1,
html[data-lang="ja"] .page-head h1,
html[data-lang="zh"] .photo-detail-head h1,
html[data-lang="ja"] .photo-detail-head h1 {
  letter-spacing: 0;
  line-height: 1.04;
}

html[data-lang="zh"] .kicker,
html[data-lang="ja"] .kicker {
  letter-spacing: .26em;
}

@media (max-width: 760px) {
  .lang-switcher button {
    padding: 4px 5px;
  }
}


/* v4.7.2 visibility safety */
.no-js .fade-in {
  opacity: 1;
  transform: none;
}


/* v4.7.3 sponsor payment: five-card layout */
.payment-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

@media (max-width: 1180px) {
  .payment-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .payment-grid {
    grid-template-columns: 1fr;
  }
}


/* v4.9 photo protection */
img,
.photo-card,
.grid-card,
.photo-detail-image {
  -webkit-user-drag: none;
  user-drag: none;
  -webkit-touch-callout: none;
  user-select: none;
}

.no-save-hint {
  position: fixed;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .18s ease, transform .18s ease;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  color: var(--text);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  font: 12px var(--mono);
  box-shadow: var(--shadow);
}

.no-save-hint.show {
  opacity: 1;
  transform: translateY(0);
}

/* Optional visual cue on protected photos */
.photo-card::before,
.grid-card::before,
.photo-detail-image::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.photo-detail-image {
  position: relative;
}


/* v5.0 social links */
.social-block {
  margin-top: 36px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.social-block .mono {
  margin-bottom: 14px;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-button {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 13px;
  color: var(--muted);
  background: color-mix(in srgb, var(--card) 56%, transparent);
  transition: color .18s ease, border-color .18s ease, background .18s ease, transform .18s ease;
}

.social-button svg {
  width: 17px;
  height: 17px;
  stroke-width: 1.85;
}

.social-button span {
  font-size: 13px;
}

.social-button:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--text) 24%, transparent);
  background: var(--soft);
  transform: translateY(-1px);
}

.compact-social-section {
  padding-top: 28px;
  padding-bottom: 38px;
}

.compact-social-section .section-title {
  font-size: 22px;
}

@media (max-width: 620px) {
  .social-button span {
    display: none;
  }

  .social-button {
    width: 42px;
    height: 42px;
    justify-content: center;
    padding: 0;
  }
}


/* v5.1 featured socials */
.featured-socials-section {
  padding-top: 44px;
  padding-bottom: 48px;
}

.featured-socials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.featured-social-card {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  min-height: 148px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    radial-gradient(circle at 78% 18%, color-mix(in srgb, var(--text) 8%, transparent), transparent 34%),
    color-mix(in srgb, var(--card) 62%, transparent);
  color: var(--muted);
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.featured-social-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--text) 24%, transparent);
  background:
    radial-gradient(circle at 78% 18%, color-mix(in srgb, var(--text) 12%, transparent), transparent 34%),
    var(--soft);
}

.featured-social-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
}

.featured-social-icon svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.85;
}

.featured-social-card strong {
  display: block;
  color: var(--text);
  font-size: 16px;
  margin-bottom: 2px;
}

.featured-social-card span {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
  margin-bottom: 14px;
}

.featured-social-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

@media (max-width: 860px) {
  .featured-socials {
    grid-template-columns: 1fr;
  }
  .featured-social-card {
    min-height: auto;
  }
}


/* v5.3 AdSense placeholder */
.ad-slot {
  margin: 44px 0;
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 18px;
  color: var(--faint);
  font: 12px var(--mono);
  text-align: center;
}

.ad-slot::before {
  content: "Ad space";
}

html[data-theme="dark"] .ad-slot {
  background: rgba(255,255,255,.02);
}

html[data-theme="light"] .ad-slot {
  background: rgba(0,0,0,.015);
}


/* v5.4 final polish */
.error-page {
  min-height: 58vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}


/* v5.7 Jekyll Markdown + Catalog */
html { scroll-behavior: smooth; }

.article-layout {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 720px) 240px;
  gap: clamp(46px, 6vw, 76px);
  align-items: start;
  padding: clamp(74px, 9vw, 128px) 0 100px;
}

.article-layout .article {
  width: 100%;
  margin: 0;
  max-width: none;
  padding: 0;
}

.article-head {
  margin-bottom: clamp(46px, 7vw, 72px);
}

.article-kicker {
  margin-bottom: 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted) 72%, transparent);
}

.article-subtitle {
  max-width: 680px;
  margin: -4px 0 18px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.75;
}

.article-body h2,
.article-body h3,
.article-body h4 {
  scroll-margin-top: 116px;
}

.article-body h3 {
  font-family: Georgia, "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", serif;
  letter-spacing: 0;
  line-height: 1.28;
  font-size: 25px;
  margin: 2em 0 .65em;
}

.article-body h4 {
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.45;
  margin: 1.8em 0 .55em;
  color: var(--text);
}

.article-body ul,
.article-body ol {
  margin: 0 0 1.45em;
  padding-left: 1.35em;
  color: color-mix(in srgb, var(--text) 82%, var(--muted));
  font-size: 18px;
  line-height: 1.9;
}

.article-body li {
  margin: .42em 0;
  padding-left: .18em;
}

.article-body strong {
  color: color-mix(in srgb, var(--text) 92%, var(--muted));
  font-weight: 650;
}

.article-body hr {
  border: 0;
  border-top: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  margin: 2.8em 0;
}

.article-body img {
  width: 100%;
  height: auto;
  margin: 2.2em 0;
  border-radius: 8px;
  background: var(--soft);
}

.article-body pre {
  overflow: auto;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  font: 13px/1.65 var(--mono);
}

.article-body code {
  font-family: var(--mono);
  font-size: .92em;
}

.article-body p a {
  border-bottom: 1px solid var(--line);
}

.article-toc {
  position: sticky;
  top: 124px;
  max-height: calc(100vh - 156px);
  overflow: auto;
  padding: 12px 0 12px 22px;
  border-left: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  color: var(--muted);
}

.toc-title {
  font: 650 11px var(--mono);
  letter-spacing: .18em;
  color: color-mix(in srgb, var(--muted) 72%, transparent);
  margin-bottom: 16px;
}

.article-toc nav {
  display: grid;
  gap: 10px;
}

.article-toc a {
  display: block;
  color: color-mix(in srgb, var(--muted) 70%, transparent);
  line-height: 1.45;
  font-size: 12px;
  transition: color .18s ease, transform .18s ease;
}

.article-toc a:hover {
  color: var(--text);
  transform: translateX(2px);
}

.article-toc .toc-level-2 {
  font-weight: 620;
  color: color-mix(in srgb, var(--muted) 86%, transparent);
}

.article-toc .toc-level-3 {
  padding-left: 14px;
  font-size: 12px;
}

.article-toc .toc-level-4 {
  padding-left: 28px;
  font-size: 12px;
  opacity: .82;
}

html[data-lang="zh"] .article h1,
html[data-lang="ja"] .article h1 {
  letter-spacing: 0;
  line-height: 1.14;
}

html[data-theme="dark"] .article p,
html[data-theme="dark"] .article-body ul,
html[data-theme="dark"] .article-body ol {
  color: color-mix(in srgb, var(--text) 72%, var(--muted));
}

html[data-theme="dark"] .article-body strong {
  color: color-mix(in srgb, var(--text) 88%, var(--muted));
}

@media (max-width: 980px) {
  .article-layout {
    display: block;
    width: min(760px, calc(100% - 36px));
    padding: 58px 0 84px;
  }
  .article-toc {
    display: none;
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: center;
    gap: 10px;
    padding: 18px 14px;
  }

  .nav {
    flex: 1;
    justify-content: flex-end;
    gap: 9px;
    min-width: 0;
  }

  .nav a:not(.icon-btn) {
    font-size: 11px;
  }

  .lang-switcher {
    transform: scale(.92);
    transform-origin: right center;
  }

  .article h1 {
    font-size: clamp(38px, 12vw, 52px);
    line-height: 1.1;
    letter-spacing: 0;
  }

  .article p,
  .article-body ul,
  .article-body ol {
    font-size: 17px;
    line-height: 1.9;
  }
}

@media (max-width: 620px) {
  .sponsor-section {
    overflow: hidden;
  }

  .sponsor-circles {
    width: min(100%, 340px);
    min-height: 250px;
  }

  .sponsor-avatar:nth-child(1) { --x: -138px !important; --y: 58px !important; }
  .sponsor-avatar:nth-child(2) { --x: -96px !important; --y: 18px !important; }
  .sponsor-avatar:nth-child(3) { --x: -52px !important; --y: -8px !important; }
  .sponsor-avatar:nth-child(4) { --x: -4px !important; --y: -38px !important; }
  .sponsor-avatar:nth-child(5) { --x: 54px !important; --y: -28px !important; }
  .sponsor-avatar:nth-child(6) { --x: 104px !important; --y: 4px !important; }
  .sponsor-avatar:nth-child(7) { --x: 136px !important; --y: 46px !important; }
  .sponsor-avatar:nth-child(8) { --x: 70px !important; --y: 66px !important; }
  .sponsor-avatar:nth-child(9) { --x: -64px !important; --y: 62px !important; }
  .sponsor-avatar:nth-child(10) { --x: 4px !important; --y: 54px !important; }
}


/* v5.9 reading system + direct payment polish */
.article-layout {
  grid-template-columns: minmax(0, 760px) 220px;
  gap: clamp(38px, 5vw, 64px);
  padding-top: clamp(86px, 8vw, 118px);
}

.article-head {
  margin-bottom: clamp(34px, 5vw, 54px);
  padding-bottom: 28px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}

.article h1 {
  max-width: 760px;
  font-family: var(--article-serif);
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.16;
  letter-spacing: 0;
  margin-bottom: 18px;
}

.article-subtitle {
  font-family: var(--article-sans);
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.8;
}

.article-body {
  font-family: var(--article-sans);
  color: var(--article-text);
  text-wrap: pretty;
}

.article p,
.article-body ul,
.article-body ol {
  max-width: 70ch;
  font-size: 17.5px;
  line-height: 2.02;
  color: var(--article-text);
}

.article-body h2 {
  max-width: 760px;
  font-family: var(--article-serif);
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.28;
  letter-spacing: 0;
  margin: 2.35em 0 .75em;
}

.article-body h3 {
  max-width: 720px;
  font-family: var(--article-serif);
  font-size: clamp(22px, 2.2vw, 27px);
  line-height: 1.35;
  letter-spacing: 0;
}

.article-body strong {
  color: color-mix(in srgb, var(--text) 88%, var(--muted));
  font-weight: 600;
}

.article-body figure,
.article-body p:has(> img) {
  max-width: 100%;
  margin: 2.4em 0;
}

.article-body figure img,
.article-body p:has(> img) img {
  width: 100%;
  border-radius: 10px;
  background: var(--soft);
  box-shadow: 0 14px 44px rgba(0,0,0,.08);
}

.article-body blockquote {
  max-width: 720px;
  margin: 2.25em 0;
  padding: 2px 0 2px 20px;
  font-family: var(--article-serif);
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.75;
}

.callout {
  max-width: 720px;
  margin: 2.2em 0;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid color-mix(in srgb, var(--text) 34%, transparent);
  border-radius: 10px;
  background: color-mix(in srgb, var(--card) 76%, var(--soft));
}

.callout-label {
  margin-bottom: 8px;
  font: 650 11px var(--mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--faint);
}

.callout p,
.callout ul {
  margin-bottom: .65em;
  font-size: 16px;
  line-height: 1.82;
}

.callout p:last-child,
.callout ul:last-child {
  margin-bottom: 0;
}

.callout-tip { border-left-color: #6c9f82; }
.callout-warning { border-left-color: #c69b54; }

.article-toc {
  top: 112px;
  font-family: var(--article-sans);
}

.payment-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  max-width: 680px;
}

.payment-card {
  min-height: 176px;
  border-radius: 12px;
}

.payment-card-link {
  position: relative;
  overflow: hidden;
}

.payment-card-link::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  border-radius: inherit;
  pointer-events: none;
  transition: border-color .18s ease;
}

.payment-card-link:hover::after {
  border-color: color-mix(in srgb, var(--text) 18%, transparent);
}

@media (max-width: 980px) {
  .article-layout {
    width: min(780px, calc(100% - 36px));
  }
}

@media (max-width: 760px) {
  .article-layout {
    padding-top: 46px;
  }

  .article-head {
    margin-bottom: 30px;
    padding-bottom: 22px;
  }

  .article h1 {
    font-size: clamp(34px, 10vw, 46px);
    line-height: 1.18;
  }

  .article p,
  .article-body ul,
  .article-body ol {
    font-size: 16.5px;
    line-height: 1.96;
  }
}


/* v5.10 summer film theme */
html[data-theme="summer"] .site-header {
  background: rgba(224,241,199,.34);
  border-bottom-color: rgba(24,61,24,.16);
}

html[data-theme="summer"] .kicker {
  color: #6f8f45;
}

html[data-theme="summer"] .hero-side,
html[data-theme="summer"] .article-toc,
html[data-theme="summer"] .exif-card {
  border-color: rgba(58,91,54,.16);
}

html[data-theme="summer"] .photo-card,
html[data-theme="summer"] .grid-card img,
html[data-theme="summer"] .photo-detail-image,
html[data-theme="summer"] .tier-card,
html[data-theme="summer"] .payment-card,
html[data-theme="summer"] .featured-social-card,
html[data-theme="summer"] .callout,
html[data-theme="summer"] .ad-slot {
  background: color-mix(in srgb, var(--card) 64%, transparent);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px) saturate(1.04);
  -webkit-backdrop-filter: blur(8px) saturate(1.04);
}

html[data-theme="summer"] .photo-card img,
html[data-theme="summer"] .grid-card img,
html[data-theme="summer"] .photo-detail-image img,
html[data-theme="summer"] .article-body figure img,
html[data-theme="summer"] .article-body p:has(> img) img {
  filter: saturate(1.06) contrast(1.05) brightness(1.03);
}

html[data-theme="summer"] .photo-card::after {
  background: linear-gradient(to top, rgba(18,42,29,.48), transparent);
}

html[data-theme="summer"] .post-row:hover,
html[data-theme="summer"] .search-chips button:hover,
html[data-theme="summer"] .sponsor-button:hover,
html[data-theme="summer"] .social-button:hover {
  background: rgba(229,246,201,.28);
}

html[data-theme="summer"] .payment-cta,
html[data-theme="summer"] .sponsor-button,
html[data-theme="summer"] .social-button,
html[data-theme="summer"] .tag-line span {
  border-color: rgba(30,70,31,.18);
  background: rgba(227,244,198,.22);
}

html[data-theme="summer"] .article-head,
html[data-theme="summer"] .section,
html[data-theme="summer"] .sponsor-section,
html[data-theme="summer"] .metadata-strip {
  border-color: rgba(58,91,54,.13);
}

html[data-theme="summer"] .callout-tip {
  border-left-color: #7ea95d;
}

html[data-theme="summer"] .callout-warning {
  border-left-color: #c0a056;
}


/* v5.11 compact music toggle */
.music-toggle {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 10000;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 44px;
  height: 44px;
  border: 1px solid color-mix(in srgb, var(--text) 12%, transparent);
  border-radius: 999px;
  color: var(--text);
  background: color-mix(in srgb, var(--bg) 68%, transparent);
  box-shadow: 0 16px 46px rgba(0,0,0,.1);
  backdrop-filter: blur(20px) saturate(1.08);
  -webkit-backdrop-filter: blur(20px) saturate(1.08);
  cursor: pointer;
  overflow: hidden;
  transition: width .22s ease, color .18s ease, border-color .18s ease, background .18s ease, transform .18s ease, opacity .18s ease;
}

.music-toggle:hover,
.music-toggle:focus-visible {
  width: 148px;
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--text) 22%, transparent);
  outline: 0;
}

.music-glyph {
  position: relative;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
}

.music-ring {
  position: absolute;
  inset: 2px;
  border: 1px solid currentColor;
  border-radius: 999px;
  opacity: .48;
  transition: opacity .18s ease, transform .18s ease, border-color .18s ease;
}

.music-core {
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: currentColor;
  opacity: .72;
  transition: opacity .18s ease, transform .18s ease;
}

.music-label {
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  white-space: nowrap;
  font: 11px var(--mono);
  color: color-mix(in srgb, var(--text) 72%, var(--muted));
  transition: max-width .22s ease, opacity .18s ease;
}

.music-toggle:hover .music-label,
.music-toggle:focus-visible .music-label {
  max-width: 98px;
  opacity: 1;
}

.music-bars {
  position: absolute;
  inset: 0;
  display: inline-flex;
  align-items: end;
  justify-content: center;
  gap: 2px;
  padding-bottom: 5px;
  opacity: 0;
  transform: translateY(3px) scale(.84);
  transition: opacity .18s ease, transform .18s ease;
}

.music-bars i {
  display: block;
  width: 2px;
  height: 4px;
  border-radius: 999px;
  background: currentColor;
  opacity: .78;
  animation: musicPulse 1s ease-in-out infinite;
}

.music-bars i:nth-child(2) { animation-delay: .14s; }
.music-bars i:nth-child(3) { animation-delay: .28s; }

.music-toggle.playing .music-ring {
  opacity: .82;
  animation: musicRing 1.8s ease-in-out infinite;
}

.music-toggle.playing .music-core {
  opacity: 0;
  transform: scale(.4);
}

.music-toggle.playing .music-bars {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.music-toggle.music-unavailable {
  opacity: .58;
}

html[data-theme="dark"] .music-toggle {
  background: rgba(12,12,12,.58);
  border-color: rgba(255,255,255,.16);
  box-shadow: 0 18px 52px rgba(0,0,0,.34);
}

html[data-theme="summer"] .music-toggle {
  color: #19391e;
  background: rgba(202,231,154,.28);
  border-color: rgba(27,70,28,.17);
  box-shadow: 0 18px 48px rgba(15,52,18,.2);
}

html[data-theme="summer"] .music-toggle.playing {
  background: rgba(177,221,104,.34);
  border-color: rgba(44,93,31,.24);
}

@keyframes musicRing {
  0%, 100% { transform: scale(1); opacity: .58; }
  50% { transform: scale(1.12); opacity: .92; }
}

@keyframes musicPulse {
  0%, 100% { height: 4px; opacity: .45; }
  50% { height: 13px; opacity: .95; }
}

@media (max-width: 620px) {
  .music-toggle {
    right: 14px;
    bottom: 14px;
    width: 42px;
    height: 42px;
  }

  .music-toggle:hover,
  .music-toggle:focus-visible {
    width: 42px;
  }

  .music-label {
    display: none;
  }
}