* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: #0e0e10;
  color: #efeff1;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.7;
}

.container {
  margin: 0 auto;
  max-width: 800px;
  padding: 0 24px;
}

.lang-anchor {
  display: none;
}

.lang-switcher {
  display: flex;
  gap: 4px;
  justify-content: flex-end;
  padding: 16px 0 0;
}

.lang-btn {
  background: transparent;
  border: 1px solid #2f2f35;
  border-radius: 6px;
  color: #adadb8;
  font-size: 0.8rem;
  padding: 4px 12px;
  text-decoration: none;
}

.lang-btn:hover {
  border-color: #bf94ff;
  color: #efeff1;
}

.lang-btn.active {
  background: #bf94ff;
  border-color: #bf94ff;
  color: #0e0e10;
}

body:has(.lang-anchor:target) .lang-btn.active {
  background: transparent;
  border-color: #2f2f35;
  color: #adadb8;
}

body:has(#lang-en:target) .lang-btn[href="#lang-en"],
body:has(#lang-ja:target) .lang-btn[href="#lang-ja"],
body:has(#lang-zh:target) .lang-btn[href="#lang-zh"],
body:has(#lang-ko:target) .lang-btn[href="#lang-ko"] {
  background: #bf94ff;
  border-color: #bf94ff;
  color: #0e0e10;
}

[data-lang] {
  display: none;
}

[data-lang].active {
  display: block;
}

a[data-lang].active {
  display: inline;
}

.feature-grid[data-lang].active,
.pricing-grid[data-lang].active {
  display: grid;
}

table[data-lang].active {
  display: table;
}

body:has(.lang-anchor:target) [data-lang].active {
  display: none;
}

body:has(.lang-anchor:target) a[data-lang].active {
  display: none;
}

body:has(#lang-en:target) [data-lang="en"],
body:has(#lang-ja:target) [data-lang="ja"],
body:has(#lang-zh:target) [data-lang="zh"],
body:has(#lang-ko:target) [data-lang="ko"] {
  display: block;
}

body:has(#lang-en:target) a[data-lang="en"],
body:has(#lang-ja:target) a[data-lang="ja"],
body:has(#lang-zh:target) a[data-lang="zh"],
body:has(#lang-ko:target) a[data-lang="ko"] {
  display: inline;
}

body:has(#lang-en:target) .feature-grid[data-lang="en"],
body:has(#lang-ja:target) .feature-grid[data-lang="ja"],
body:has(#lang-zh:target) .feature-grid[data-lang="zh"],
body:has(#lang-ko:target) .feature-grid[data-lang="ko"],
body:has(#lang-en:target) .pricing-grid[data-lang="en"],
body:has(#lang-ja:target) .pricing-grid[data-lang="ja"],
body:has(#lang-zh:target) .pricing-grid[data-lang="zh"],
body:has(#lang-ko:target) .pricing-grid[data-lang="ko"] {
  display: grid;
}

body:has(#lang-en:target) table[data-lang="en"],
body:has(#lang-ja:target) table[data-lang="ja"],
body:has(#lang-zh:target) table[data-lang="zh"],
body:has(#lang-ko:target) table[data-lang="ko"] {
  display: table;
}

header {
  border-bottom: 1px solid #2f2f35;
  padding: 48px 0 40px;
  text-align: center;
}

header h1 {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}

header p {
  color: #adadb8;
  font-size: 1.15rem;
  margin: 0 auto;
  max-width: 560px;
}

.features,
.platforms,
.pricing {
  border-bottom: 1px solid #2f2f35;
  padding: 48px 0;
}

.platforms {
  text-align: center;
}

.features h2,
.platforms h2,
.pricing h2 {
  font-size: 1.4rem;
  margin-bottom: 24px;
  text-align: center;
}

.platforms h2 {
  margin-bottom: 16px;
}

.feature-grid,
.pricing-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr 1fr;
}

.feature-card,
.pricing-card,
.steps,
.faq-item {
  background: #18181b;
  border: 1px solid #2f2f35;
  border-radius: 8px;
}

.feature-card {
  padding: 24px;
}

.feature-card h3 {
  color: #bf94ff;
  font-size: 1rem;
  margin-bottom: 8px;
}

.feature-card p {
  color: #adadb8;
  font-size: 0.9rem;
}

.platform-badges {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-top: 12px;
}

.badge {
  background: #18181b;
  border: 1px solid #2f2f35;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  padding: 12px 28px;
}

.badge.twitch {
  color: #a970ff;
}

.badge.youtube {
  color: #ff4444;
}

.pricing-card {
  padding: 28px;
  text-align: center;
}

.pricing-card.pro {
  border-color: #bf94ff;
}

.pricing-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.price,
.pricing-card .price {
  color: #efeff1;
  font-size: 1.6rem;
  font-weight: 700;
  margin: 12px 0;
}

.price span,
.pricing-card .price span {
  color: #adadb8;
  font-size: 0.85rem;
  font-weight: 400;
}

.pricing-card ul {
  list-style: none;
  margin-top: 16px;
  text-align: left;
}

.pricing-card li {
  color: #adadb8;
  font-size: 0.9rem;
  padding: 6px 0;
}

.pricing-card li::before {
  color: #00c853;
  content: "\\2713  ";
  font-weight: 700;
}

.back {
  color: #bf94ff;
  display: inline-block;
  font-size: 0.9rem;
  padding: 16px 0;
  text-decoration: none;
}

.back:hover,
footer a:hover,
td a:hover {
  text-decoration: underline;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.updated {
  color: #adadb8;
  font-size: 0.9rem;
  margin-bottom: 32px;
}

h2 {
  color: #bf94ff;
  font-size: 1.2rem;
  font-weight: 600;
  margin: 32px 0 12px;
}

h3 {
  color: #efeff1;
  font-size: 1rem;
  font-weight: 600;
  margin: 20px 0 8px;
}

p,
li {
  color: #d3d3d8;
  font-size: 0.95rem;
  margin-bottom: 12px;
}

ul,
ol {
  margin-bottom: 12px;
  padding-left: 24px;
}

li {
  margin-bottom: 6px;
}

a {
  color: #bf94ff;
}

strong {
  color: #efeff1;
}

.steps,
.faq-item {
  margin: 12px 0;
  padding: 16px 20px;
}

.steps ol {
  margin-bottom: 0;
}

.steps li:last-child {
  margin-bottom: 0;
}

.faq-q {
  color: #efeff1;
  font-weight: 600;
  margin-bottom: 8px;
}

.faq-a {
  color: #d3d3d8;
  margin-bottom: 0;
}

.pro-badge {
  background: #bf94ff;
  border-radius: 4px;
  color: #0e0e10;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  vertical-align: middle;
}

.contact-note {
  margin-top: 24px;
}

table {
  border-collapse: collapse;
  margin-bottom: 32px;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid #2f2f35;
  font-size: 0.95rem;
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
}

th {
  color: #bf94ff;
  font-weight: 600;
  white-space: nowrap;
  width: 200px;
}

td {
  color: #d3d3d8;
}

td a {
  color: #bf94ff;
  text-decoration: none;
}

footer {
  border-top: 1px solid #2f2f35;
  color: #adadb8;
  font-size: 0.85rem;
  margin-top: 40px;
  padding: 40px 0;
  text-align: center;
}

footer p {
  margin-bottom: 8px;
}

footer a {
  color: #bf94ff;
  text-decoration: none;
}

/* Keep language variants hidden even when later element styles set display. */
[data-lang] {
  display: none !important;
}

[data-lang].active {
  display: block !important;
}

a[data-lang].active {
  display: inline !important;
}

.feature-grid[data-lang].active,
.pricing-grid[data-lang].active {
  display: grid !important;
}

table[data-lang].active {
  display: table !important;
}

body:has(.lang-anchor:target) [data-lang].active {
  display: none !important;
}

body:has(#lang-en:target) [data-lang="en"],
body:has(#lang-ja:target) [data-lang="ja"],
body:has(#lang-zh:target) [data-lang="zh"],
body:has(#lang-ko:target) [data-lang="ko"] {
  display: block !important;
}

body:has(#lang-en:target) a[data-lang="en"],
body:has(#lang-ja:target) a[data-lang="ja"],
body:has(#lang-zh:target) a[data-lang="zh"],
body:has(#lang-ko:target) a[data-lang="ko"] {
  display: inline !important;
}

body:has(#lang-en:target) .feature-grid[data-lang="en"],
body:has(#lang-ja:target) .feature-grid[data-lang="ja"],
body:has(#lang-zh:target) .feature-grid[data-lang="zh"],
body:has(#lang-ko:target) .feature-grid[data-lang="ko"],
body:has(#lang-en:target) .pricing-grid[data-lang="en"],
body:has(#lang-ja:target) .pricing-grid[data-lang="ja"],
body:has(#lang-zh:target) .pricing-grid[data-lang="zh"],
body:has(#lang-ko:target) .pricing-grid[data-lang="ko"] {
  display: grid !important;
}

body:has(#lang-en:target) table[data-lang="en"],
body:has(#lang-ja:target) table[data-lang="ja"],
body:has(#lang-zh:target) table[data-lang="zh"],
body:has(#lang-ko:target) table[data-lang="ko"] {
  display: table !important;
}

@media (max-width: 600px) {
  .container {
    padding: 0 18px;
  }

  header h1 {
    font-size: 1.8rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  .feature-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .platform-badges {
    gap: 12px;
  }

  .badge {
    flex: 1;
    padding: 10px 16px;
  }

  th {
    font-size: 0.85rem;
    width: 120px;
  }

  td {
    font-size: 0.85rem;
  }
}