:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-strong: #cbd5e1;
  --accent: #111827;
  --accent-soft: #eff6ff;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 12px;
  --font-sans: "Pretendard Variable", "Pretendard", "Apple SD Gothic Neo", sans-serif;
  font-family: var(--font-sans);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 24px 24px 72px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 4px 0 24px;
}

.brand-lockup {
  display: grid;
  gap: 2px;
}

.brand-name,
.brand-mark,
.eyebrow,
.price-label,
.footer-domain {
  margin: 0;
}

.brand-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark,
.eyebrow,
.price-label,
.footer-domain {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.web-lang-switch {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}

.web-lang-btn {
  min-height: 30px;
  padding: 0 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.web-lang-btn-active {
  background: var(--accent);
  color: #fff;
}

.topbar-link,
.primary-cta,
.secondary-cta,
.purchase-form button,
.method-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 13px;
  font-weight: 600;
}

.topbar-link-strong,
.primary-cta,
.purchase-form button {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.primary-cta-block {
  width: 100%;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
  align-items: start;
  padding: 48px 0 20px;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted);
}

h1,
h2 {
  margin: 0;
  letter-spacing: -0.04em;
}

h1 {
  margin-top: 16px;
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.05;
}

h2 {
  font-size: 1.5rem;
  line-height: 1.15;
}

.lead,
.section-copy,
.price-copy,
.form-remark,
.method-card p,
.status-panel {
  color: var(--muted);
}

.lead {
  max-width: 48ch;
  margin: 14px 0 0;
  font-size: 15px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.price-card,
.table-wrap,
.purchase-form,
.method-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.price-card {
  padding: 20px;
}

.price-row {
  display: flex;
  align-items: end;
  gap: 10px;
  margin-top: 8px;
}

.price-value {
  font-size: 2.5rem;
  line-height: 1;
  letter-spacing: -0.05em;
}

.price-note {
  padding-bottom: 5px;
  color: var(--muted);
  font-size: 13px;
}

.price-copy {
  margin: 10px 0 18px;
  font-size: 13px;
}

.section {
  margin-top: 44px;
}

.section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.section-copy {
  margin: 0;
  font-size: 14px;
}

.table-wrap {
  overflow-x: auto;
}

.plan-table {
  width: 100%;
  border-collapse: collapse;
}

.plan-table th,
.plan-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: center;
  white-space: nowrap;
}

.plan-table th:first-child,
.plan-table td:first-child {
  width: 100%;
  text-align: left;
  white-space: normal;
}

.plan-table thead th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.plan-table tbody tr:last-child td {
  border-bottom: 0;
}

.purchase-section {
  display: grid;
  gap: 16px;
}

.screen-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.screen-card {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
}

.screen-card img {
  display: block;
  width: 100%;
  height: auto;
}

.screen-card figcaption {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.method-grid {
  display: grid;
  gap: 10px;
}

.method-card {
  padding: 16px;
}

.method-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.method-card-meta strong {
  font-size: 14px;
}

.method-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.method-card p {
  margin: 8px 0 0;
  font-size: 13px;
}

.method-link {
  margin-top: 12px;
}

.purchase-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 20px;
}

.purchase-form label {
  display: grid;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
}

.purchase-note-field,
.purchase-form button,
.form-remark,
.status-panel {
  grid-column: 1 / -1;
}

.purchase-form input,
.purchase-form select,
.purchase-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 13px;
  background: #fff;
  color: var(--ink);
}

.purchase-form textarea {
  resize: vertical;
}

.purchase-form input::placeholder,
.purchase-form textarea::placeholder {
  color: #94a3b8;
}

.form-remark {
  margin: -4px 0 0;
  font-size: 13px;
}

.status-panel {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  white-space: pre-wrap;
}

.status-panel.is-error {
  border-color: #fecaca;
  background: #fef2f2;
  color: #991b1b;
}

.hidden {
  display: none;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-domain {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted);
}

#purchase {
  scroll-margin-top: 80px;
}

@media (max-width: 900px) {
  .hero,
  .purchase-form {
    grid-template-columns: 1fr;
  }

  .price-card {
    max-width: 320px;
  }

  .screen-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page {
    padding: 18px 16px 56px;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar-actions {
    flex-wrap: wrap;
  }

  .web-lang-switch,
  .topbar-link {
    width: 100%;
  }

  .hero {
    padding-top: 24px;
  }

  h1 {
    font-size: clamp(1.85rem, 9vw, 2.45rem);
  }

  .hero-actions a,
  .primary-cta-block,
  .purchase-form button {
    width: 100%;
  }

  .plan-table th,
  .plan-table td {
    padding: 12px 14px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}