:root {
  --navy: #17334f;
  --navy-deep: #10283f;
  --ink: #203d58;
  --muted: #5d7288;
  --mint: #4fcdb6;
  --lime: #a6e56d;
  --gold: #ffce62;
  --coral: #ff8e73;
  --violet: #8662d9;
  --header-h: 79px;
}
* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: clip;
  color: var(--navy);
  background: #bcebf2;
  font-family: 'Trebuchet MS', 'Arial Rounded MT Bold', Arial, sans-serif;
}
:focus-visible { outline: 4px solid #ffad43; outline-offset: 4px; }
[hidden] { display: none !important; }
html[data-text-size="large"] { font-size: 112.5%; }
html[data-high-contrast="true"] { --navy: #08243d; --ink: #102e45; --muted: #33475a; }
html[data-calm-motion="true"] *, html[data-calm-motion="true"] *::before, html[data-calm-motion="true"] *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }

.world {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(circle at 78% 8%, #fff9c5 0 70px, transparent 71px), linear-gradient(165deg, #bdf2f2 0%, #ddf8f5 48%, #aee4d7 100%);
}
.world-orb { position: absolute; border: 2px solid #ffffff70; border-radius: 50%; }
.orb-one { width: 520px; height: 520px; top: -270px; left: -180px; }
.orb-two { width: 380px; height: 380px; right: -140px; top: 25%; }
.world-cloud { position: absolute; width: 115px; height: 26px; background: #ffffffa8; border-radius: 20px; box-shadow: 23px -15px #ffffffa8, 58px -6px #ffffffa8; }
.cloud-one { top: 13%; left: 9%; }
.cloud-two { right: 14%; top: 31%; transform: scale(.65); }
.world-hill { position: absolute; bottom: -110px; width: 60vw; height: 240px; background: #7dd0ad82; border-radius: 50% 50% 0 0; }
.hill-one { left: -9%; }
.hill-two { right: -16%; bottom: -145px; background: #7dcbb39c; }
.landing-shell {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto 36px;
  background: #f7fcfb;
  border: 3px solid var(--navy);
  border-radius: 0;
  overflow: hidden;
  overflow: clip;
  box-shadow: 0 22px 55px #1c617e2b, 0 8px 0 #2e78955c;
}
.landing-header {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  min-height: 79px;
  padding: 0 clamp(20px, 4vw, 42px);
  background: var(--navy);
  color: #fff;
}
.logo { display: inline-flex; align-items: center; gap: 12px; font-size: 1.4rem; font-weight: 900; letter-spacing: -.07em; line-height: 1; white-space: nowrap; color: inherit; text-decoration: none; }
.logo b { color: #aee77e; font-weight: 900; }
.logo-mark { width: 39px; height: 39px; display: grid; place-items: center; color: var(--navy); font-size: 1.5rem; background: var(--gold); border: 3px solid var(--navy); border-radius: 10px; box-shadow: 3px 3px 0 #0d2539; transform: rotate(-7deg); }
.landing-page .floating-brand {
  position: fixed;
  top: max(14px, env(safe-area-inset-top));
  left: max(14px, env(safe-area-inset-left));
  z-index: 100;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 52px;
  padding: 5px 14px 5px 6px;
  border: 2px solid #ffe07a;
  border-radius: 16px;
  color: #fff;
  background: #172447;
  box-shadow: 0 8px 24px #060d2c99;
  font-size: 1.03rem;
  font-weight: 900;
  letter-spacing: -.06em;
  line-height: 1;
  text-decoration: none;
}
.landing-page .floating-brand b { color: #82f3d7; }
.landing-page .floating-brand img.logo-mark { width: 37px; height: 37px; box-shadow: none; }
.landing-page .floating-brand:hover,
.landing-page .floating-brand:focus-visible { background: #26356f; }
@media (max-width: 620px) {
  .landing-page .floating-brand {
    top: auto;
    left: auto;
    right: max(14px, env(safe-area-inset-right));
    bottom: max(14px, env(safe-area-inset-bottom));
    width: 46px;
    height: 46px;
    padding: 5px;
    justify-content: center;
    border-radius: 50%;
  }
  .landing-page .floating-brand img.logo-mark { width: 31px; height: 31px; }
  .landing-page .floating-brand > span { display: none; }
}
.header-nav { display: flex; gap: 20px; }
.header-nav a { color: #bcd7df; font-size: .78rem; font-weight: 900; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; white-space: nowrap; }
.header-nav a:hover, .header-nav a:focus-visible { color: #fff; }
.landing-header-right { display: flex; align-items: center; gap: 16px; }
.mobile-contact { display: none; }
.sound-toggle { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; color: #dff2f6; background: #ffffff1a; border: 2px solid #ffffff3d; border-radius: 10px; font: inherit; font-size: .82rem; font-weight: 900; cursor: pointer; transition: background .12s, border-color .12s, color .12s; }
.sound-toggle:hover { background: #ffffff2e; border-color: #ffffff5c; }
.sound-toggle .control-icon { font-size: 1.05rem; }
.sound-toggle[aria-pressed="false"] { color: #9db3c0; background: #ffffff0f; border-color: #ffffff26; }
.sound-toggle[aria-pressed="false"] .control-icon { opacity: .6; }

/* ---------- Botones ---------- */
.cta { display: inline-flex; align-items: center; gap: 10px; border: 2px solid var(--navy); border-radius: 12px; color: var(--navy); background: var(--gold); font-weight: 900; text-decoration: none; box-shadow: 0 6px 0 #d59a39; transition: transform .12s, box-shadow .12s, filter .12s; }
.cta:hover { filter: brightness(1.04); box-shadow: 0 9px 0 #d59a39; }
.cta:active { box-shadow: 0 2px 0 #d59a39; }
.cta-primary { min-height: 62px; padding: 13px 24px; font-size: 1.18rem; }
.cta-small { padding: 9px 16px; font-size: .9rem; box-shadow: 0 4px 0 #d59a39; }
.cta-small:hover { box-shadow: 0 6px 0 #d59a39; }
.cta-play { position: relative; isolation: isolate; animation: play-bob 2.6s ease-in-out infinite; }
.cta-play::after { content: ''; position: absolute; inset: -4px; z-index: -1; border: 3px solid var(--gold); border-radius: 15px; animation: play-pulse 2.6s ease-out infinite; }
.cta-play .arrow { display: inline-block; animation: play-arrow 1.2s ease-in-out infinite; }
.cta-hero { min-height: 72px; padding: 16px 30px; font-size: 1.32rem; }
.cta-hero .arrow { font-size: 1.6rem; line-height: 1; }
.cta-final { min-height: 68px; padding: 15px 28px; font-size: 1.24rem; }
.cta-final .arrow { font-size: 1.55rem; line-height: 1; }
@keyframes play-bob { 50% { transform: translateY(-5px); } }
@keyframes play-pulse { 0% { opacity: .85; transform: scale(1); } 70%, 100% { opacity: 0; transform: scale(1.38); } }
@keyframes play-arrow { 50% { transform: translateX(6px); } }

/* ---------- Hero ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  align-items: center;
  gap: clamp(25px, 3.5vw, 60px);
  row-gap: clamp(12px, 1.6vw, 20px);
  padding: clamp(28px, 4vw, 58px) clamp(24px, 5vw, 64px) clamp(30px, 4vw, 54px);
  background: radial-gradient(circle at 38% 45%, #d5f7f0 0, transparent 38%), linear-gradient(112deg, #f9fffd 55%, #e9f7f7 100%);
}
.hero-copy { min-width: 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: #206678; font-size: .73rem; font-weight: 900; letter-spacing: .16em; }
.eyebrow-star { display: grid; place-items: center; width: 26px; height: 26px; color: var(--navy); background: var(--lime); border: 2px solid var(--navy); border-radius: 7px; font-size: 1rem; letter-spacing: 0; }
.hero h1 { max-width: 640px; margin: 19px 0 16px; font-size: clamp(3.1rem, 5.4vw, 5.4rem); line-height: .98; letter-spacing: -.075em; font-weight: 900; }
.hero h1 em { color: #7755c7; font-style: normal; text-decoration: underline; text-decoration-color: #c5b0f4; text-decoration-thickness: .09em; text-underline-offset: .1em; }
.hero-sub { margin: 0 0 8px; color: #244a65; font-size: clamp(1.13rem, 1.8vw, 1.43rem); font-weight: 900; }
.hero-text { max-width: 560px; margin: 0; color: var(--muted); font-size: 1.02rem; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; margin-top: 26px; }
.hero-note { color: #4f7787; font-size: .82rem; font-weight: 900; }
.hero-secondary { color: #3156a7; font-weight: 900; font-size: .95rem; text-decoration: none; border-bottom: 2px solid #bcd0f0; padding-bottom: 2px; }
.hero-secondary:hover { border-color: #3156a7; }
.hero-stats { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 30px; margin: 0; padding: 18px 0 0; border-top: 1px dashed #cbe6e2; }
.hero-stats div { display: flex; flex-direction: column; align-items: center; text-align: center; }
.hero-stats b { font-size: 1.55rem; letter-spacing: -.04em; line-height: 1; }
.hero-stats span { margin-top: 5px; color: #4f7787; font-size: .68rem; font-weight: 900; letter-spacing: .13em; }
.hero-art { position: relative; display: flex; flex-direction: column; align-items: center; width: 100%; max-width: 560px; justify-self: center; }
.island-art { position: relative; width: 100%; height: auto; aspect-ratio: 640 / 385; overflow: visible; filter: drop-shadow(0 12px 16px #315e7726); animation: float-in 5s ease-in-out infinite; }
.art-caption { margin-top: 14px; color: #508293; font-size: .65rem; font-weight: 900; letter-spacing: .2em; }

/* ---------- Secciones ---------- */
.hero, .section, .final-cta { scroll-margin-top: calc(var(--header-h) + 14px); }
.section { padding: clamp(36px, 5vw, 68px) clamp(24px, 5vw, 64px); }
.section + .section { border-top: 1px solid #e2f1ee; }
.section--tint { background: linear-gradient(180deg, #eefaf7, #f7fcfb); }
.section-head { max-width: 740px; margin: 0 auto clamp(24px, 3.4vw, 42px); text-align: center; }
.section-head h2 { margin: 15px 0 11px; font-size: clamp(1.75rem, 3.6vw, 2.7rem); line-height: 1.04; letter-spacing: -.045em; font-weight: 900; }
.section-head h2 em { color: #7755c7; font-style: normal; }
.section-head p { margin: 0; color: var(--muted); font-size: 1.03rem; line-height: 1.55; }

.benefits { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; max-width: 1060px; margin: 0 auto; }
.benefit { flex: 0 1 250px; padding: 22px 20px; background: #fff; border: 2px solid var(--navy); border-radius: 16px; box-shadow: 5px 6px 0 #cfe9e2; }
.benefit-icon { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 13px; font-size: 1.4rem; background: var(--lime); border: 2px solid var(--navy); border-radius: 12px; }
.benefit:nth-child(2n) .benefit-icon { background: #b9f0e8; }
.benefit:nth-child(3n) .benefit-icon { background: #ffe6a1; }
.benefit h3 { margin: 0 0 7px; font-size: 1.06rem; letter-spacing: -.02em; }
.benefit p { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.5; }

.modes { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; max-width: 1060px; margin: 0 auto; }
.mode-card { flex: 0 1 330px; display: flex; flex-direction: column; padding: 24px 22px; background: #fff; border: 2px solid var(--navy); border-radius: 18px; box-shadow: 6px 7px 0 #cfe9e2; }
.mode-badge { align-self: flex-start; padding: 5px 11px; border: 2px solid var(--navy); border-radius: 999px; background: var(--gold); font-size: .66rem; font-weight: 900; letter-spacing: .13em; }
.mode-card h3 { margin: 14px 0 8px; font-size: 1.2rem; letter-spacing: -.02em; }
.mode-card p { margin: 0; color: var(--muted); font-size: .94rem; line-height: 1.5; }
.mode-card .mode-icon { margin-left: auto; font-size: 2rem; line-height: 1; }

.ages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 920px; margin: 0 auto; }
.age-card { padding: 26px 20px; text-align: center; background: #fff; border: 2px solid var(--navy); border-radius: 16px; box-shadow: 5px 6px 0 #cfe9e2; }
.age-num { display: block; font-size: 2.3rem; font-weight: 900; letter-spacing: -.05em; color: #7755c7; }
.age-card h3 { margin: 8px 0 8px; font-size: 1rem; }
.age-card p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.45; }
.age-note { max-width: 700px; margin: 22px auto 0; color: #4f7787; text-align: center; font-size: .92rem; line-height: 1.5; font-weight: 900; }

.steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 18px; max-width: 920px; margin: 0 auto; padding: 0; list-style: none; counter-reset: step; }
.step { position: relative; padding: 26px 20px 20px; background: #fff; border: 2px solid var(--navy); border-radius: 16px; box-shadow: 5px 6px 0 #cfe9e2; }
.step::before { counter-increment: step; content: counter(step); position: absolute; top: -18px; left: 20px; display: grid; place-items: center; width: 40px; height: 40px; background: var(--gold); border: 2px solid var(--navy); border-radius: 11px; font-size: 1.15rem; font-weight: 900; }
.step h3 { margin: 0 0 7px; font-size: 1.06rem; }
.step p { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.5; }
.learning-preview { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 20px 26px; max-width: 920px; margin: 30px auto 0; padding: 24px; border: 2px solid var(--navy); border-radius: 20px; background: linear-gradient(130deg, #17334f, #285774); color: #fff; box-shadow: 6px 7px 0 #b7ded6; }
.learning-preview-intro { align-self: center; }
.learning-preview-label { color: #baf2ca; font-size: .69rem; font-weight: 900; letter-spacing: .14em; }
.learning-preview h3 { margin: 9px 0 10px; font-size: clamp(1.55rem, 2.7vw, 2.2rem); line-height: 1.08; letter-spacing: -.04em; }
.learning-preview-intro p, .learning-preview-option p, .learning-preview-note { margin: 0; line-height: 1.5; }
.learning-preview-intro p { color: #e0f2f3; font-size: .93rem; }
.learning-preview-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.learning-preview-option { padding: 16px; border: 2px solid var(--navy); border-radius: 14px; background: #f8fffc; color: var(--navy); box-shadow: 3px 4px 0 #10283f; }
.learning-preview-option:nth-child(2) { background: #fff7de; }
.learning-preview-icon { display: grid; place-items: center; width: fit-content; min-width: 42px; height: 38px; margin-bottom: 12px; padding: 0 7px; border: 2px solid var(--navy); border-radius: 9px; background: #baf2ca; font-size: .78rem; font-weight: 900; }
.learning-preview-option:nth-child(2) .learning-preview-icon { background: #ffdc82; font-size: 1.4rem; }
.learning-preview-option strong { display: block; margin-bottom: 6px; font-size: .96rem; }
.learning-preview-option p { color: #3d566a; font-size: .84rem; }
.learning-preview-note { grid-column: 1 / -1; padding-top: 13px; border-top: 1px solid #ffffff50; color: #d7f2ef; font-size: .82rem; font-weight: 800; }
.how-note { max-width: 760px; margin: 24px auto 0; color: #375d6b; text-align: center; font-size: .95rem; font-weight: 800; line-height: 1.5; }

.faq { display: grid; gap: 10px; max-width: 780px; margin: 0 auto; }
.faq details { padding: 0 18px; background: #fff; border: 2px solid var(--navy); border-radius: 14px; }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 17px 0; font-weight: 900; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: #7755c7; font-size: 1.5rem; line-height: 1; }
.faq details[open] summary::after { content: '–'; }
.faq p { margin: 0 0 18px; color: var(--muted); font-size: .95rem; line-height: 1.55; }

.final-cta { padding: clamp(40px, 6vw, 78px) clamp(24px, 5vw, 64px); text-align: center; background: radial-gradient(circle at 50% 0, #d7f6ef, transparent 55%), linear-gradient(160deg, #1a3c5c, #10283f); color: #fff; }
.final-cta h2 { margin: 0 0 12px; font-size: clamp(1.9rem, 4vw, 3rem); letter-spacing: -.05em; font-weight: 900; }
.final-cta p { max-width: 560px; margin: 0 auto 28px; color: #bfdde7; font-size: 1.05rem; line-height: 1.55; }
.final-cta .hero-note { display: block; margin-top: 16px; color: #9fc0cb; }

/* ---------- Contacto ---------- */
.contact-section { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1fr); gap: clamp(24px, 5vw, 70px); align-items: center; padding: clamp(42px, 6vw, 76px) clamp(22px, 6vw, 76px); background: linear-gradient(145deg, #e8fff4, #d9f4f6); }
.contact-intro h2 { margin: 20px 0 12px; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.1; letter-spacing: -.04em; }
.contact-intro h2 em { color: #5e47ae; font-style: normal; }
.contact-intro p { max-width: 430px; color: #405e71; font-size: 1rem; line-height: 1.6; }
.contact-intro > a { display: inline-block; margin-top: 9px; color: #184d61; font-weight: 900; overflow-wrap: anywhere; }
.contact-form { position: relative; display: grid; gap: 9px; min-width: 0; padding: clamp(19px, 3vw, 32px); border: 2px solid var(--navy); border-radius: 19px; background: #fff; box-shadow: 7px 8px 0 #9ddacb; }
.contact-form > label:not(.contact-check) { font-size: .82rem; font-weight: 900; }
.contact-form input:not([type="checkbox"]), .contact-form select, .contact-form textarea { width: 100%; min-height: 46px; padding: 10px 12px; border: 2px solid #a9c9ce; border-radius: 10px; background: #fbfffd; color: var(--navy); font: inherit; font-size: .92rem; }
.contact-form textarea { min-height: 116px; resize: vertical; }
.contact-form input:focus-visible, .contact-form select:focus-visible, .contact-form textarea:focus-visible { border-color: #5e47ae; }
.contact-check { display: flex; align-items: flex-start; gap: 10px; color: #405e71; font-size: .78rem; line-height: 1.45; cursor: pointer; }
.contact-check input { flex: none; width: 20px; height: 20px; margin: 0; accent-color: #6246ae; }
.contact-check a, .contact-privacy a { color: #254a9f; font-weight: 800; }
.contact-privacy { margin: 3px 0; color: #56717e; font-size: .73rem; line-height: 1.45; }
.contact-submit { justify-content: center; cursor: pointer; }
.contact-submit:disabled { opacity: .55; cursor: default; filter: grayscale(.25); box-shadow: 0 3px 0 #b7aaa0; }
.contact-status { min-height: 1.4em; margin: 0; color: #405e71; font-size: .81rem; font-weight: 800; }
.contact-status[data-state="error"] { color: #a42638; }
.contact-status[data-state="success"] { color: #14644b; }
.contact-honeypot { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }

/* ---------- Pie ---------- */
.landing-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 15px; padding: 16px 22px; border-top: 1px solid #d8eeea; background: #ebf7f5; color: #7894a4; font-size: .66rem; font-weight: 900; letter-spacing: .16em; }
.landing-footer .legal-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 13px; padding-left: 13px; border-left: 1px solid #cfe6e2; }
.landing-footer .legal-links a { color: #5c7d8b; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.landing-footer .legal-links a:hover, .landing-footer .legal-links a:focus-visible { color: #3156a7; text-decoration: underline; }
.landing-copy { color: #8aa4af; font-size: .62rem; letter-spacing: .06em; }
.landing-credits { flex-basis: 100%; display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center; }
.landing-dev { color: #8aa4af; font-size: .6rem; letter-spacing: .06em; }

@keyframes float-in { 50% { transform: translateY(-7px); } }

/* ---------- Responsive ---------- */
@media (max-width: 1160px) {
  .header-nav { display: none; }
  .mobile-contact { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; color: #dff2f6; font-size: .78rem; font-weight: 900; text-decoration: none; }
  .mobile-contact span:first-child { font-size: 1.1rem; }
}
@media (max-width: 860px) {
  .contact-section { grid-template-columns: 1fr; }
  .contact-intro { text-align: center; }
  .contact-intro .eyebrow { justify-content: center; }
  .contact-intro p { margin-left: auto; margin-right: auto; }
  .hero { grid-template-columns: 1fr; text-align: center; }
  .eyebrow, .hero-actions, .hero-stats { justify-content: center; }
  .hero h1, .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-text { margin: 0 auto; }
  .hero-art { order: -1; max-width: 430px; }
  .ages, .steps { grid-template-columns: 1fr; }
  .learning-preview { grid-template-columns: 1fr; }
  .age-num { font-size: 2rem; }
}
@media (max-width: 520px) {
  :root { --header-h: 66px; }
  .landing-shell { width: calc(100% - 20px); margin: 0 auto 20px; border-radius: 0; }
  .landing-header { padding: 0 14px; min-height: 66px; }
  .landing-header .logo { gap: 6px; font-size: 1rem; }
  .landing-header .logo-mark { width: 32px; height: 32px; }
  .landing-header-right { gap: 7px; }
  .landing-header .sound-toggle { min-height: 44px; padding: 8px 9px; }
  .landing-header .cta-small { min-height: 44px; gap: 5px; padding: 8px 10px; font-size: .8rem; }
  .sound-toggle .control-text { display: none; }
  .cta-hero, .cta-final { width: 100%; justify-content: space-between; }
  .hero-actions { gap: 16px; }
  .section { padding-left: 18px; padding-right: 18px; }
  .learning-preview { padding: 19px; }
  .learning-preview-options { grid-template-columns: 1fr; }
  .mobile-contact span:last-child { display: none; }
  .contact-section { padding: 38px 17px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .island-art, .cta-play, .cta-play::after, .cta-play .arrow { animation: none; }
  .cta-play::after { display: none; }
}
/* Aviso flotante si el navegador bloquea el inicio automático del audio. */
.sound-notice {
  position: fixed;
  left: 50%;
  bottom: 18px;
  z-index: 70;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  max-width: min(92vw, 470px);
  padding: 11px 18px;
  border: 2px solid var(--navy);
  border-radius: 999px;
  background: #fffdfa;
  color: var(--navy);
  font: inherit;
  font-size: .9rem;
  font-weight: 600;
  line-height: 1.25;
  text-align: left;
  box-shadow: 0 10px 26px rgb(16 40 63 / 22%);
  transform: translateX(-50%);
  animation: sound-notice-in .35s ease both;
}
.sound-notice[hidden] { display: none; }
.sound-notice:hover { transform: translateX(-50%) translateY(-2px); }
.sound-notice b { font-weight: 900; }
.sound-notice-icon { font-size: 1.15rem; }
@keyframes sound-notice-in {
  from { opacity: 0; transform: translateX(-50%) translateY(12px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
@media (max-width: 520px) {
  .sound-notice { bottom: 12px; padding: 9px 14px; font-size: .8rem; }
}
@media (prefers-reduced-motion: reduce) {
  .sound-notice, .sound-notice:hover { animation: none; transform: translateX(-50%); }
}