:root {
  --sf-bg: #FAF7F2;
  --sf-bg-warm: #F4EFE6;
  --sf-surface: #FFFDF8;
  --sf-surface-raised: rgba(255, 253, 248, 0.88);
  --sf-ink: #1E3F20;
  --sf-ink-2: #264A28;
  --sf-green: #2E5731;
  --sf-brown: #8C6239;
  --sf-amber: #D99F45;
  --sf-blue: #5D7F92;
  --sf-muted: rgba(30, 63, 32, 0.64);
  --sf-soft: rgba(30, 63, 32, 0.46);
  --sf-line: rgba(30, 63, 32, 0.14);
  --sf-line-strong: rgba(30, 63, 32, 0.22);
  --sf-shadow-soft: 0 16px 44px rgba(30, 63, 32, 0.08);
  --sf-shadow-panel: 0 24px 74px rgba(30, 63, 32, 0.12);
  --sf-radius: 8px;
  --sf-radius-control: 999px;
  --sf-font: "Pretendard Variable", "Pretendard", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --sf-serif: Georgia, "Times New Roman", Didot, "Bodoni MT", serif;
}

body.sf-landing,
body.sf-marketing,
body.sf-pricing,
body.sf-auth,
body.sf-parent-app,
body.sf-reader {
  font-family: var(--sf-font);
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

body.sf-landing h1,
body.sf-landing h2,
body.sf-landing h3,
body.sf-marketing h1,
body.sf-marketing h2,
body.sf-marketing h3,
body.sf-pricing h1,
body.sf-pricing h2,
body.sf-pricing h3,
body.sf-auth h1,
body.sf-auth h2,
body.sf-auth h3,
body.sf-parent-app h1,
body.sf-parent-app h2,
body.sf-parent-app h3 {
  letter-spacing: 0;
}

body.sf-landing :focus-visible,
body.sf-marketing :focus-visible,
body.sf-pricing :focus-visible,
body.sf-auth :focus-visible,
body.sf-parent-app :focus-visible,
body.sf-reader :focus-visible {
  outline: 3px solid rgba(217, 159, 69, 0.52);
  outline-offset: 3px;
}

.sf-mobile-break {
  display: none;
}

body.sf-marketing,
body.sf-pricing,
body.sf-auth,
body.sf-parent-app {
  background:
    radial-gradient(circle at 12% 4%, rgba(217, 159, 69, 0.13), transparent 26%),
    radial-gradient(circle at 88% 18%, rgba(93, 127, 146, 0.10), transparent 28%),
    linear-gradient(180deg, #FFFDF8 0%, var(--sf-bg) 45%, #F0EADF 100%);
  color: var(--sf-ink);
}

body.sf-marketing nav,
body.sf-pricing nav {
  height: 68px;
  padding: 0;
  background: rgba(250, 247, 242, 0.86);
  border-bottom: 1px solid rgba(30, 63, 32, 0.09);
  box-shadow: 0 1px 0 rgba(255, 253, 248, 0.74) inset;
  backdrop-filter: blur(18px) saturate(118%);
  -webkit-backdrop-filter: blur(18px) saturate(118%);
}

body.sf-pricing nav {
  position: fixed;
  display: flex;
  align-items: center;
  pointer-events: auto;
}

body.sf-pricing nav::before {
  display: none;
}

body.sf-marketing .nav-inner,
body.sf-pricing .nav-inner {
  max-width: 1240px;
  min-height: 68px;
  padding-left: clamp(20px, 4.8vw, 56px);
  padding-right: clamp(20px, 4.8vw, 56px);
}

body.sf-marketing .logo,
body.sf-pricing .logo {
  gap: 9px;
  color: var(--sf-ink);
  font-family: var(--sf-serif);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

body.sf-marketing .logo .brand-symbol,
body.sf-pricing .logo .brand-symbol {
  display: none;
}

body.sf-marketing .logo::before,
body.sf-pricing .logo::before {
  content: "";
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='24 44 112 112' xmlns='http://www.w3.org/2000/svg'%3E%3Cg transform='translate(80,100)'%3E%3Crect x='-38' y='-20' width='8' height='6' rx='3' fill='%23264A28'/%3E%3Crect x='-44' y='-10' width='16' height='6' rx='3' fill='%23264A28'/%3E%3Crect x='-40' y='0' width='12' height='6' rx='3' fill='%23264A28'/%3E%3Crect x='-50' y='10' width='32' height='6' rx='3' fill='%23264A28'/%3E%3Crect x='-46' y='20' width='24' height='6' rx='3' fill='%23264A28'/%3E%3Crect x='-50' y='30' width='32' height='6' rx='3' fill='%23264A28'/%3E%3Crect x='-37' y='40' width='6' height='6' rx='3' fill='%238C6239'/%3E%3Crect x='-4' y='-50' width='8' height='6' rx='3' fill='%231E3F20'/%3E%3Crect x='-10' y='-40' width='20' height='6' rx='3' fill='%231E3F20'/%3E%3Crect x='-6' y='-30' width='12' height='6' rx='3' fill='%231E3F20'/%3E%3Crect x='-14' y='-20' width='28' height='6' rx='3' fill='%231E3F20'/%3E%3Crect x='-10' y='-10' width='20' height='6' rx='3' fill='%231E3F20'/%3E%3Crect x='-14' y='0' width='28' height='6' rx='3' fill='%231E3F20'/%3E%3Crect x='-12' y='10' width='24' height='6' rx='3' fill='%231E3F20'/%3E%3Crect x='-14' y='20' width='28' height='6' rx='3' fill='%231E3F20'/%3E%3Crect x='-14' y='30' width='28' height='6' rx='3' fill='%231E3F20'/%3E%3Crect x='-3' y='40' width='6' height='6' rx='3' fill='%238C6239'/%3E%3Crect x='28' y='-10' width='8' height='6' rx='3' fill='%232E5731'/%3E%3Crect x='22' y='0' width='20' height='6' rx='3' fill='%232E5731'/%3E%3Crect x='26' y='10' width='12' height='6' rx='3' fill='%232E5731'/%3E%3Crect x='18' y='20' width='28' height='6' rx='3' fill='%232E5731'/%3E%3Crect x='18' y='30' width='28' height='6' rx='3' fill='%232E5731'/%3E%3Crect x='29' y='40' width='6' height='6' rx='3' fill='%238C6239'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
}

body.sf-marketing .nav-links,
body.sf-pricing .nav-links {
  gap: 26px;
}

body.sf-marketing .nav-actions,
body.sf-pricing .nav-actions {
  gap: 16px;
}

body.sf-marketing .nav-links a,
body.sf-marketing .nav-trigger,
body.sf-marketing .nav-actions > a:not(.btn),
body.sf-pricing .nav-links a,
body.sf-pricing .nav-actions > a:not(.btn) {
  position: relative;
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--sf-muted);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0;
}

body.sf-marketing .logo,
body.sf-pricing .logo,
body.sf-marketing footer a {
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
}

body.sf-marketing .nav-links a.active,
body.sf-marketing .nav-actions a.active,
body.sf-pricing .nav-links a.active,
body.sf-pricing .nav-actions a.active {
  color: var(--sf-ink);
}

body.sf-marketing .nav-links a.active::after,
body.sf-marketing .nav-actions a.active::after,
body.sf-pricing .nav-links a.active::after,
body.sf-pricing .nav-actions a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  height: 2px;
  border-radius: 999px;
  background: var(--sf-green);
}

body.sf-marketing .btn,
body.sf-landing .btn,
body.sf-pricing .btn,
body.sf-auth .btn-primary,
body.sf-auth .btn-main,
body.sf-parent-app .generate-primary,
body.sf-parent-app .guide-action {
  min-height: 44px;
  border-radius: var(--sf-radius-control);
  background: var(--sf-green);
  color: var(--sf-bg);
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(30, 63, 32, 0.14);
}

body.sf-marketing .btn:hover,
body.sf-pricing .btn:hover,
body.sf-auth .btn-primary:hover,
body.sf-auth .btn-main:hover,
body.sf-parent-app .generate-primary:hover,
body.sf-parent-app .guide-action:hover {
  background: var(--sf-ink);
  transform: translateY(-1px);
}

body.sf-marketing .btn.secondary,
body.sf-pricing .plan-card .btn:not(.btn-primary) {
  background: rgba(255, 253, 248, 0.62);
  color: var(--sf-ink);
  border: 1px solid var(--sf-line-strong);
  box-shadow: none;
}

body.sf-marketing .nav-actions .nav-enterprise,
body.sf-landing .nav-actions .nav-enterprise,
body.sf-pricing .nav-actions .nav-enterprise {
  background: rgba(255, 253, 248, 0.48);
  color: var(--sf-ink);
  border: 1px solid var(--sf-line-strong);
  box-shadow: none;
}

body.sf-marketing .nav-actions .nav-enterprise:hover,
body.sf-landing .nav-actions .nav-enterprise:hover,
body.sf-pricing .nav-actions .nav-enterprise:hover {
  background: rgba(255, 253, 248, 0.68);
  color: var(--sf-ink);
  border-color: rgba(30, 63, 32, 0.3);
}

body.sf-marketing .container,
body.sf-pricing .container {
  max-width: 1240px;
}

body.sf-marketing .hero {
  position: relative;
  min-height: clamp(430px, 52vh, 560px);
  padding-top: clamp(86px, 12vw, 132px);
  padding-bottom: clamp(44px, 6vw, 70px);
  display: grid;
  align-content: center;
}

body.sf-marketing .hero::after {
  content: "";
  position: absolute;
  left: clamp(20px, 5vw, 72px);
  right: clamp(20px, 5vw, 72px);
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(30, 63, 32, 0), rgba(30, 63, 32, 0.18), rgba(30, 63, 32, 0));
}

body.sf-marketing .eyebrow {
  color: var(--sf-brown);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

body.sf-marketing h1 {
  max-width: 920px;
  margin-top: 14px;
  margin-bottom: 18px;
  font-size: clamp(34px, 5.2vw, 62px);
  line-height: 1.08;
  font-weight: 850;
}

body.sf-marketing .lead {
  max-width: 760px;
  color: var(--sf-muted);
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.72;
}

body.sf-marketing .hero-actions {
  gap: 10px;
  margin-top: 28px;
}

body.sf-marketing .section {
  padding-top: clamp(46px, 6vw, 74px);
  padding-bottom: clamp(46px, 6vw, 74px);
}

body.sf-marketing .section-head {
  align-items: flex-start;
  margin-bottom: 22px;
}

body.sf-marketing h2 {
  max-width: 720px;
  color: var(--sf-ink);
  font-size: clamp(27px, 3.4vw, 42px);
  line-height: 1.18;
  font-weight: 850;
}

body.sf-marketing .section-note {
  color: var(--sf-muted);
}

body.sf-marketing .grid {
  gap: 18px;
}

body.sf-marketing .card,
body.sf-marketing .support-proof,
body.sf-marketing .demo-placeholder,
body.sf-marketing .reader-shell {
  border: 1px solid var(--sf-line);
  border-radius: var(--sf-radius);
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.92), rgba(255, 253, 248, 0.74)),
    rgba(255, 253, 248, 0.84);
  box-shadow: var(--sf-shadow-soft);
}

body.sf-marketing .card {
  min-height: 168px;
  padding: clamp(20px, 2.2vw, 28px);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

body.sf-marketing .card:hover {
  transform: translateY(-2px);
  border-color: var(--sf-line-strong);
  box-shadow: var(--sf-shadow-panel);
}

body.sf-marketing .card h3 {
  color: var(--sf-ink);
  font-size: 1.08rem;
  line-height: 1.35;
  font-weight: 850;
}

body.sf-marketing .card p {
  color: var(--sf-muted);
  font-size: 0.95rem;
  line-height: 1.68;
}

body.sf-marketing .tag {
  background: rgba(46, 87, 49, 0.09);
  border: 1px solid rgba(46, 87, 49, 0.10);
  color: var(--sf-green);
  font-weight: 850;
}

body.sf-marketing .band {
  border: 1px solid rgba(255, 253, 248, 0.16);
  background:
    linear-gradient(135deg, rgba(24, 53, 29, 0.96), rgba(46, 87, 49, 0.90)),
    var(--sf-green);
  color: #FFFDF8;
  box-shadow: 0 26px 72px rgba(30, 63, 32, 0.18);
}

body.sf-marketing .band h2,
body.sf-marketing .band h3,
body.sf-marketing .band strong {
  color: #FFFDF8;
}

body.sf-marketing .band .eyebrow {
  color: rgba(244, 239, 230, 0.74);
}

body.sf-marketing .band p,
body.sf-marketing .band .section-note,
body.sf-marketing .band .list-item span {
  color: rgba(255, 253, 248, 0.86);
}

body.sf-marketing .band .list-item {
  border-bottom-color: rgba(255, 253, 248, 0.20);
}

body.sf-marketing .band .list-item.empty-slot strong,
body.sf-marketing .band .list-item.empty-slot span {
  color: rgba(255, 253, 248, 0.56);
}

body.sf-marketing .band .btn {
  background: #FFFDF8;
  color: var(--sf-ink);
  border: 1px solid rgba(255, 253, 248, 0.74);
  box-shadow: 0 12px 28px rgba(13, 18, 14, 0.14);
}

body.sf-marketing .band .btn:hover {
  background: #F4EFE6;
  color: var(--sf-ink);
}

body.sf-marketing .band .btn.secondary {
  background: rgba(255, 253, 248, 0.10);
  color: #FFFDF8;
  border-color: rgba(255, 253, 248, 0.30);
  box-shadow: none;
}

body.sf-marketing .band .btn.secondary:hover {
  background: rgba(255, 253, 248, 0.16);
  color: #FFFDF8;
}

body.sf-marketing footer {
  border-top: 1px solid var(--sf-line);
  color: var(--sf-soft);
}

body.sf-pricing html,
body.sf-pricing {
  overflow-x: hidden;
}

body.sf-pricing {
  min-height: 100dvh;
  overflow-y: auto;
}

body.sf-pricing .page {
  width: auto;
  min-height: 100dvh;
  height: auto;
  align-items: stretch;
  padding: 104px clamp(20px, 4.8vw, 56px) 34px;
  overflow: visible;
  background: transparent;
}

body.sf-pricing .container {
  height: auto;
  min-height: calc(100dvh - 138px);
  justify-content: flex-start;
  gap: 22px;
}

body.sf-pricing header.headline {
  max-width: 760px;
  margin: 0 auto 2px;
}

body.sf-pricing h1 {
  color: var(--sf-ink);
  font-size: clamp(34px, 4.8vw, 58px);
  line-height: 1.1;
  font-weight: 850;
}

body.sf-pricing .lead {
  color: var(--sf-muted);
  font-size: 1rem;
}

body.sf-pricing .billing-row {
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
}

body.sf-pricing .billing-toggle-wrapper,
body.sf-pricing .mobile-plan-tabs {
  border: 1px solid var(--sf-line);
  background: rgba(255, 253, 248, 0.68);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

body.sf-pricing .billing-toggle-wrapper button,
body.sf-pricing .mobile-plan-tab-btn {
  min-height: 44px;
}

body.sf-pricing .billing-slider {
  background: var(--sf-green);
}

body.sf-pricing main.plans {
  flex: 0 0 auto;
  gap: 18px;
  align-items: stretch;
}

body.sf-pricing .plan-card {
  min-height: 520px;
  border: 1px solid var(--sf-line);
  border-radius: var(--sf-radius);
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.94), rgba(255, 253, 248, 0.76)),
    rgba(255, 253, 248, 0.86);
  box-shadow: var(--sf-shadow-soft);
}

body.sf-pricing .plan-card.featured {
  background:
    linear-gradient(180deg, rgba(30, 63, 32, 0.98), rgba(38, 74, 40, 0.98)),
    var(--sf-ink);
  border-color: rgba(30, 63, 32, 0.88);
  box-shadow: 0 28px 76px rgba(30, 63, 32, 0.22);
}

body.sf-pricing .plan-card.featured .btn {
  background: #FFFDF8;
  color: var(--sf-ink);
  border-color: rgba(255, 253, 248, 0.72);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
}

body.sf-pricing .plan-card.featured .btn:hover {
  background: #F4EFE6;
  border-color: #F4EFE6;
}

body.sf-pricing .card-badge {
  border: 1px solid rgba(30, 63, 32, 0.10);
  border-radius: 999px;
  letter-spacing: 0.06em;
}

body.sf-pricing .features-list li {
  color: var(--sf-muted);
}

body.sf-pricing footer.addon-bar {
  height: auto;
  min-height: 60px;
  border-radius: var(--sf-radius);
  background: rgba(255, 253, 248, 0.76);
  border-color: var(--sf-line);
  box-shadow: var(--sf-shadow-soft);
}

body.sf-auth .bg-glow {
  background:
    radial-gradient(circle at 50% 7%, rgba(217, 159, 69, 0.16), transparent 32%),
    radial-gradient(circle at 82% 78%, rgba(93, 127, 146, 0.10), transparent 34%),
    radial-gradient(circle at 16% 86%, rgba(46, 87, 49, 0.10), transparent 38%),
    var(--sf-bg);
}

body.sf-auth .progress {
  background: var(--sf-green);
}

body.sf-auth .topbar {
  height: 64px;
  background: rgba(250, 247, 242, 0.72);
  border-bottom: 1px solid rgba(30, 63, 32, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

body.sf-auth .brand,
body.sf-auth .login-head .logo-big {
  color: var(--sf-ink);
  font-family: var(--sf-serif);
  letter-spacing: 0.05em;
}

body.sf-auth .flow {
  padding-top: 92px;
}

body.sf-auth .screen.active > .card {
  max-width: 460px;
  padding: clamp(24px, 3.4vw, 38px);
  border: 1px solid var(--sf-line);
  border-radius: var(--sf-radius);
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.92), rgba(255, 253, 248, 0.78)),
    rgba(255, 253, 248, 0.82);
  box-shadow: var(--sf-shadow-panel);
}

body.sf-auth h1.title,
body.sf-auth h2.title {
  color: var(--sf-ink);
  font-weight: 850;
}

body.sf-auth .sub,
body.sf-auth .consent-intro,
body.sf-auth .legal-fine {
  color: var(--sf-muted);
}

body.sf-auth .btn-auth,
body.sf-auth .btn-email,
body.sf-auth input,
body.sf-auth textarea,
body.sf-auth .choice-card,
body.sf-auth .hero-dropzone,
body.sf-auth .composer-bar {
  border-radius: var(--sf-radius);
}

body.sf-auth .btn-apple,
body.sf-auth .btn-google,
body.sf-auth .btn-email {
  background: rgba(255, 253, 248, 0.74);
  border: 1px solid var(--sf-line);
  color: #0D120E;
}

body.sf-auth .btn-email {
  color: var(--sf-ink);
  border-color: var(--sf-line-strong);
}

body.sf-auth .divider {
  color: var(--sf-muted);
}

body.sf-auth .divider::before,
body.sf-auth .divider::after {
  background: var(--sf-line);
}

body.sf-parent-app .bg-glow {
  background:
    radial-gradient(circle at 50% 76%, rgba(46, 87, 49, 0.08), transparent 48%),
    radial-gradient(circle at 15% 16%, rgba(217, 159, 69, 0.10), transparent 34%),
    radial-gradient(circle at 86% 9%, rgba(93, 127, 146, 0.09), transparent 34%),
    var(--sf-bg);
}

body.sf-parent-app .sidebar {
  visibility: hidden;
  pointer-events: none;
  background: rgba(255, 253, 248, 0.86);
  border-right: 1px solid var(--sf-line);
  box-shadow: 16px 0 60px rgba(30, 63, 32, 0.08);
}

body.sf-parent-app.sidebar-open .sidebar {
  visibility: visible;
  pointer-events: auto;
}

body.sf-parent-app .brand-lockup {
  color: var(--sf-ink);
  font-family: var(--sf-serif);
  letter-spacing: 0.05em;
}

body.sf-parent-app .menu-btn,
body.sf-parent-app .child-switch,
body.sf-parent-app .credit-pill,
body.sf-parent-app .home-child-chip,
body.sf-parent-app .composer-bar,
body.sf-parent-app .generation-actions {
  border: 1px solid var(--sf-line);
  background: rgba(255, 253, 248, 0.70);
  box-shadow: 0 10px 28px rgba(30, 63, 32, 0.06);
}

body.sf-parent-app .menu-btn {
  width: 44px;
  height: 44px;
  color: var(--sf-ink);
}

body.sf-parent-app .home-child-chip,
body.sf-parent-app .sub-chip {
  min-height: 44px;
}

body.sf-parent-app .child-row,
body.sf-parent-app .sidebar-row,
body.sf-parent-app .empty-child-note {
  border-radius: var(--sf-radius);
}

body.sf-parent-app .new-story-btn,
body.sf-parent-app .child-row.active,
body.sf-parent-app .child-row.selected,
body.sf-parent-app .sidebar-row.active,
body.sf-parent-app .home-child-chip.selected {
  background: rgba(46, 87, 49, 0.11);
  color: var(--sf-ink);
}

body.sf-parent-app .creation-canvas {
  gap: clamp(0.9rem, 2.2svh, 1.45rem);
}

body.sf-parent-app .hero-dropzone {
  border-radius: var(--sf-radius);
  border: 1px dashed rgba(46, 87, 49, 0.30);
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.72), rgba(250, 247, 242, 0.50)),
    radial-gradient(circle at 50% 20%, rgba(46, 87, 49, 0.10), transparent 66%);
  box-shadow: inset 0 0 0 1px rgba(255, 253, 248, 0.58), var(--sf-shadow-soft);
}

body.sf-parent-app .dropzone-guide {
  width: min(82%, 390px);
  border-radius: var(--sf-radius);
  border: 1px solid rgba(30, 63, 32, 0.12);
  background: rgba(255, 253, 248, 0.82);
  box-shadow: var(--sf-shadow-soft);
}

body.sf-parent-app .guide-icon,
body.sf-parent-app .avatar-bullet,
body.sf-parent-app .row-icon,
body.sf-parent-app .child-avatar {
  background: rgba(46, 87, 49, 0.11);
}

body.sf-parent-app .guide-title,
body.sf-parent-app .active-child-name,
body.sf-parent-app .child-name {
  color: var(--sf-ink);
}

body.sf-parent-app .guide-sub,
body.sf-parent-app .active-child-meta,
body.sf-parent-app .child-meta,
body.sf-parent-app .sub-chip {
  color: var(--sf-muted);
}

body.sf-parent-app .choice-card,
body.sf-parent-app .book-card,
body.sf-parent-app .empty-bookshelf,
body.sf-parent-app .photo-card {
  border-radius: var(--sf-radius);
  border-color: var(--sf-line);
  background: rgba(255, 253, 248, 0.76);
  box-shadow: var(--sf-shadow-soft);
}

body.sf-parent-app .composer-bar:focus-within {
  border-color: rgba(46, 87, 49, 0.40);
  background: rgba(255, 253, 248, 0.94);
}

body.sf-parent-app .action-send-btn {
  width: 44px;
  height: 44px;
  background: var(--sf-green);
  color: var(--sf-bg);
}

body.sf-parent-app .composer-textarea {
  min-height: 44px;
}

body.sf-parent-app .composer-textarea::placeholder {
  color: rgba(30, 63, 32, 0.48);
}

body.sf-reader {
  --reader-accent: #2E5731;
  --reader-bg: #0D120E;
  --reader-glass: rgba(13, 18, 14, 0.68);
  --reader-glass-strong: rgba(13, 18, 14, 0.82);
  --reader-line: rgba(250, 247, 242, 0.17);
  --reader-panel-bg: linear-gradient(135deg, rgba(255, 253, 248, 0.92), rgba(244, 239, 230, 0.80)), rgba(255, 253, 248, 0.84);
  --reader-panel-border: rgba(250, 247, 242, 0.54);
  --reader-panel-text: #1E2419;
  --reader-panel-strong: #1E3F20;
  --reader-panel-muted: rgba(30, 63, 32, 0.50);
}

body.sf-reader .reader-stage {
  background: #12160f;
}

body.sf-reader .home-btn,
body.sf-reader .music-btn,
body.sf-reader .slider-control,
body.sf-reader .player-shell,
body.sf-reader .nav-hit {
  border: 1px solid rgba(250, 247, 242, 0.14);
  background: rgba(13, 18, 14, 0.66);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.09), 0 14px 34px rgba(0, 0, 0, 0.30);
}

body.sf-reader .music-btn {
  background: var(--reader-accent);
  color: #FFFDF8;
  border-color: rgba(255, 253, 248, 0.18);
}

body.sf-reader:not(.music-on) .music-btn {
  background: rgba(13, 18, 14, 0.66);
}

body.sf-reader .player-progress {
  background: linear-gradient(90deg, #D99F45, #F4EFE6);
}

body.sf-reader .reader-panel {
  border-radius: var(--sf-radius);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.78),
    0 22px 62px rgba(0, 0, 0, 0.30);
}

body.sf-reader .reader-text {
  color: var(--reader-panel-text);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.58);
}

body.sf-reader .nav-hit {
  color: rgba(255, 253, 248, 0.90);
}

body.sf-landing nav {
  height: 68px;
}

body.sf-landing .nav-inner {
  min-height: 68px;
}

body.sf-landing .logo {
  letter-spacing: 0.05em;
}

body.sf-landing .logo,
body.sf-landing .nav-links a,
body.sf-landing .nav-actions > a:not(.btn),
body.sf-landing .overlay-action,
body.sf-landing .sample-action,
body.sf-landing .footer-col a,
body.sf-landing .faq-footer a {
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
}

/* Nav links hug their text so inter-item spacing is governed purely by `gap`.
   min-width:44px over-padded short Korean links (회사/정책) and made the gaps
   look uneven. Vertical touch target stays via min-height above. */
body.sf-marketing .nav-links a,
body.sf-pricing .nav-links a,
body.sf-landing .nav-links a {
  min-width: 0;
}

body.sf-landing .hero .headline-huge {
  letter-spacing: 0;
  font-weight: 850;
}

body.sf-landing .btn-primary {
  border-radius: 999px;
  font-weight: 800;
}

@media (max-width: 900px) {
  .sf-mobile-break {
    display: block;
  }

  body.sf-marketing .nav-links,
  body.sf-pricing .nav-links {
    display: none;
  }

  body.sf-marketing .nav-actions,
  body.sf-pricing .nav-actions {
    gap: 10px;
  }

  body.sf-marketing .nav-actions > a:not(.btn),
  body.sf-pricing .nav-actions > a:not(.btn) {
    display: none;
  }

  body.sf-marketing .nav-actions .nav-enterprise,
  body.sf-landing .nav-actions .nav-enterprise,
  body.sf-pricing .nav-actions .nav-enterprise {
    display: none !important;
  }

  body.sf-marketing .grid,
  body.sf-marketing .grid.two,
  body.sf-pricing main.plans {
    grid-template-columns: 1fr;
  }

  body.sf-marketing .section-head {
    display: grid;
    gap: 12px;
  }

  body.sf-marketing h1,
  body.sf-pricing h1 {
    width: min(100%, 342px);
    max-width: 342px;
    white-space: normal !important;
    word-break: break-all !important;
    line-break: anywhere;
    overflow-wrap: anywhere !important;
  }

  body.sf-marketing h1 {
    font-size: clamp(31px, 6vw, 44px);
    line-height: 1.14;
  }

  body.sf-marketing .lead,
  body.sf-marketing .section-note,
  body.sf-marketing .card h3,
  body.sf-marketing .card p,
  body.sf-pricing .lead,
  body.sf-pricing .features-list li {
    width: min(100%, 342px);
    max-width: 342px;
    white-space: normal !important;
    word-break: break-all !important;
    line-break: anywhere;
    overflow-wrap: anywhere !important;
  }

  body.sf-marketing .hero-actions,
  body.sf-pricing .billing-row,
  body.sf-auth .screen.active > .card {
    width: min(100%, 342px);
    max-width: 342px;
  }

  body.sf-pricing .page {
    padding-top: 88px;
    justify-content: flex-start;
  }

  body.sf-pricing .container {
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  body.sf-pricing h1 {
    font-size: clamp(30px, 5.6vw, 42px);
    line-height: 1.14;
  }

  body.sf-pricing header.headline,
  body.sf-pricing .lead,
  body.sf-pricing .mobile-plan-tabs,
  body.sf-pricing main.plans,
  body.sf-pricing footer.addon-bar {
    width: min(100%, 342px);
    max-width: 342px;
    margin-left: 0;
    margin-right: 0;
  }

  body.sf-pricing header.headline {
    text-align: left;
  }

  body.sf-auth .screen.active {
    align-items: flex-start;
  }

  body.sf-auth .screen.active > .card {
    width: 320px !important;
    max-width: 320px !important;
  }

  body.sf-parent-app .app-shell {
    justify-content: flex-start;
  }

  body.sf-parent-app .app-wrap {
    width: 366px;
    max-width: 366px;
    margin-left: 0;
    margin-right: 0;
  }
}

@media (max-width: 540px) {
  body.sf-landing,
  body.sf-marketing,
  body.sf-pricing,
  body.sf-auth,
  body.sf-parent-app,
  body.sf-reader {
    max-width: 100%;
    overflow-x: hidden;
  }

  body.sf-landing .nav-links,
  body.sf-landing .nav-actions,
  body.sf-marketing .nav-actions,
  body.sf-pricing .nav-actions {
    display: none;
  }

  body.sf-marketing nav,
  body.sf-pricing nav {
    height: 60px;
  }

  body.sf-marketing .nav-inner,
  body.sf-pricing .nav-inner {
    min-height: 60px;
  }

  body.sf-marketing .logo,
  body.sf-pricing .logo {
    font-size: 0.86rem;
  }

  body.sf-marketing .logo::before,
  body.sf-pricing .logo::before {
    width: 22px;
    height: 22px;
  }

  body.sf-marketing .hero {
    min-height: auto;
    padding-top: 96px;
    padding-bottom: 40px;
  }

  body.sf-marketing .hero.container,
  body.sf-marketing .section.container {
    max-width: 100%;
    overflow: hidden;
  }

  body.sf-marketing h1 {
    width: min(100%, calc(100vw - 48px));
    max-width: calc(100vw - 48px);
    font-size: clamp(27px, 7.6vw, 31px);
    line-height: 1.16;
    white-space: normal !important;
    word-break: break-all !important;
    line-break: anywhere;
    overflow-wrap: anywhere !important;
  }

  body.sf-marketing h2 {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    font-size: clamp(25px, 7vw, 31px);
    line-height: 1.18;
    white-space: normal !important;
    word-break: break-all !important;
    line-break: anywhere;
    overflow-wrap: anywhere !important;
  }

  body.sf-marketing .support-proof-copy h2 {
    font-size: clamp(26px, 6.7vw, 30px);
    word-break: keep-all !important;
    line-break: strict;
    overflow-wrap: normal !important;
  }

  body.sf-marketing .lead,
  body.sf-marketing .section-note,
  body.sf-marketing .card p,
  body.sf-marketing .card h3,
  body.sf-marketing .demo-placeholder h3,
  body.sf-marketing .demo-placeholder p,
  body.sf-marketing .list-item strong,
  body.sf-marketing .list-item span,
  body.sf-pricing .lead,
  body.sf-pricing .features-list li,
  body.sf-auth .sub,
  body.sf-auth .legal-fine {
    max-width: calc(100vw - 48px);
    white-space: normal !important;
    word-break: break-all !important;
    line-break: anywhere;
    overflow-wrap: anywhere !important;
  }

  body.sf-marketing .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: min(100%, calc(100vw - 48px));
  }

  body.sf-marketing .hero-actions .btn {
    width: 100%;
  }

  body.sf-marketing .band {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    padding: 24px;
  }

  body.sf-marketing .band,
  body.sf-marketing .band > *,
  body.sf-marketing .band .list,
  body.sf-marketing .band .list-item {
    min-width: 0;
  }

  body.sf-marketing .band.split {
    grid-template-columns: minmax(0, 1fr);
  }

  body.sf-marketing .band h2,
  body.sf-marketing .band p,
  body.sf-marketing .band .list-item strong,
  body.sf-marketing .band .list-item span {
    width: 100%;
    max-width: 100%;
    white-space: normal !important;
    word-break: break-all !important;
    line-break: anywhere;
    overflow-wrap: anywhere !important;
  }

  body.sf-pricing .page {
    padding-left: 20px;
    padding-right: 20px;
  }

  body.sf-pricing h1 {
    width: min(100%, calc(100vw - 48px));
    max-width: calc(100vw - 48px);
    font-size: clamp(26px, 7.4vw, 31px);
    line-height: 1.16;
    white-space: normal !important;
    word-break: break-all !important;
    line-break: anywhere;
    overflow-wrap: anywhere !important;
  }

  body.sf-pricing .billing-row {
    max-width: 100%;
  }

  body.sf-pricing .mobile-plan-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    overflow: hidden;
  }

  body.sf-pricing .mobile-plan-tab-btn {
    min-width: 0;
    padding: 0 4px;
    font-size: 0.72rem;
  }

  body.sf-pricing .plan-card {
    min-width: 0;
    min-height: 0;
    height: auto;
    justify-content: flex-start;
  }

  body.sf-pricing .plan-card .btn {
    min-height: 44px;
    height: 44px;
  }

  body.sf-auth .flow {
    padding-left: 20px;
    padding-right: 20px;
  }

  body.sf-auth .screen.active > .card {
    width: min(100%, calc(100vw - 40px));
    max-width: calc(100vw - 40px);
    padding: 22px;
  }
}