/* Native Real home: ListenUp LP's warm paper, teal, coral and rounded type. */
:root {
  --home-bg: #f6f3ec;
  --home-paper: #fffefa;
  --home-ink: #33414a;
  --home-sub: #64747b;
  --home-teal: #1d7f96;
  --home-teal-dark: #186f83;
  --home-teal-soft: #e5f3f5;
  --home-coral: #ef8577;
  --home-coral-soft: #fff0eb;
  --home-line: #e5dfd2;
  --home-shadow: 0 16px 44px rgba(51, 65, 74, .08);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  color: var(--home-ink);
  background-color: var(--home-bg);
  background-image: radial-gradient(rgba(51, 65, 74, .055) 1px, transparent 1px);
  background-size: 28px 28px;
  font-family: 'Zen Maru Gothic', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}
body, button, input { font-family: 'Zen Maru Gothic', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
img, svg { display: block; }
.icon-library { position: absolute; width: 0; height: 0; overflow: hidden; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.site-header[data-tool="top"] {
  --header-bg: rgba(246, 243, 236, .94);
  --header-border: var(--home-line);
  --header-accent: var(--home-teal);
}
.site-header-logo-mark { border-radius: 50%; }
.home-wrap { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.home-improvements { padding: 24px 0; background: #eef7f3; border-block: 1px solid #d3dae0; }
.home-improvements__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.home-improvements__label { margin: 0 0 5px; font-size: 12px; font-weight: 700; color: #187a4c; }
.home-improvements h2 { margin: 0; font-size: clamp(19px, 3vw, 25px); }
.home-improvements p:not(.home-improvements__label) { margin: 8px 0 0; line-height: 1.7; }
.home-improvements a { flex: none; color: #07576a; font-weight: 700; }
@media (max-width: 640px) { .home-improvements__inner { display: block; } .home-improvements a { display: inline-block; margin-top: 14px; } }

.home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(42px, 7vw, 88px) 0 clamp(50px, 7vw, 88px);
  isolation: isolate;
}
.home-hero::before,
.home-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: min(48vw, 620px);
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(2px);
  pointer-events: none;
}
.home-hero::before {
  top: -58%; left: -16%;
  background: radial-gradient(circle, rgba(29, 127, 150, .11), transparent 68%);
}
.home-hero::after {
  right: -16%; bottom: -72%;
  background: radial-gradient(circle, rgba(239, 133, 119, .12), transparent 68%);
}
.home-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
  gap: clamp(24px, 5vw, 76px);
  align-items: center;
}
.home-hero__copy { max-width: 620px; }
.home-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  padding: 7px 13px;
  border: 1px solid rgba(29, 127, 150, .18);
  border-radius: 999px;
  background: rgba(255, 254, 250, .72);
  color: var(--home-teal-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
  line-height: 1.4;
}
.home-kicker__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--home-coral); }
.home-hero h1 {
  margin: 0;
  font-size: clamp(34px, 5.3vw, 60px);
  font-weight: 900;
  letter-spacing: -.045em;
  line-height: 1.34;
}
.home-hero h1 span {
  color: var(--home-teal);
  background: linear-gradient(transparent 68%, rgba(29, 127, 150, .15) 0);
}
.home-hero__lead {
  max-width: 34em;
  margin: 20px 0 0;
  color: var(--home-sub);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.95;
}
.home-hero__facts { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 0; padding: 0; list-style: none; }
.home-hero__facts li {
  display: inline-flex; align-items: center; gap: 7px;
  min-height: 34px; padding: 4px 11px;
  border: 1px solid rgba(51, 65, 74, .1); border-radius: 999px;
  background: rgba(255, 254, 250, .74);
  color: var(--home-ink); font-size: 12px; font-weight: 700;
}
.home-hero__facts svg { width: 15px; height: 15px; color: var(--home-teal); }
.home-hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-top: 27px; }
.home-button {
  display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 10px;
  padding: 0 22px; border: 0; border-radius: 999px; cursor: pointer;
  font-size: 15px; font-weight: 900; line-height: 1.25;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease;
}
.home-button:hover { transform: translateY(-2px); }
.home-button:focus-visible, .tool-filter:focus-visible, .tool-search:focus-visible, .tool-card:focus-visible {
  outline: 3px solid rgba(29, 127, 150, .42); outline-offset: 3px;
}
.home-button--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--home-teal-dark), var(--home-teal) 62%, #65adbb);
  box-shadow: 0 8px 20px rgba(29, 127, 150, .22);
}
.home-button--primary:hover { box-shadow: 0 11px 25px rgba(29, 127, 150, .28); }
.home-button--primary svg, .home-button--light svg { width: 18px; height: 18px; }
.home-button--light {
  min-height: 48px; padding-inline: 14px; color: var(--home-teal-dark); background: transparent;
}
.home-button--light:hover { background: rgba(29, 127, 150, .07); }

.home-hero__visual {
  position: relative;
  min-height: 340px;
  display: grid;
  place-items: center;
}
.home-artboard {
  position: relative;
  width: min(100%, 480px);
  min-height: 320px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .82);
  border-radius: 34px;
  background:
    radial-gradient(circle at 50% 52%, rgba(255,255,255,.96) 0 27%, rgba(255,255,255,.36) 28% 48%, transparent 72%),
    linear-gradient(145deg, rgba(229, 243, 245, .92), rgba(255, 241, 235, .7));
  box-shadow: var(--home-shadow);
}
.home-artboard::before, .home-artboard::after {
  content: ""; position: absolute; border: 1px solid rgba(29, 127, 150, .16); border-radius: 50%;
}
.home-artboard::before { width: 270px; height: 270px; }
.home-artboard::after { width: 350px; height: 350px; border-color: rgba(239, 133, 119, .2); }
.home-listener { position: relative; z-index: 1; width: min(54%, 236px); height: auto; filter: drop-shadow(0 9px 5px rgba(51,65,74,.05)); }
.home-listener .head { fill: #f8cfa9; }
.home-listener .hair { fill: #3d5a66; }
.home-listener .headphones { stroke: var(--home-teal); }
.home-listener .shirt { fill: var(--home-coral); }
.home-listener .face { stroke: #33414a; }
.home-listener .sound { stroke: rgba(29, 127, 150, .58); }
.home-float {
  position: absolute; z-index: 2;
  display: flex; align-items: center; gap: 10px;
  min-width: 132px; padding: 11px 14px;
  border: 1px solid rgba(51, 65, 74, .09); border-radius: 15px;
  background: var(--home-paper); box-shadow: 0 9px 24px rgba(51,65,74,.09);
  animation: home-drift 5s ease-in-out infinite;
}
.home-float svg { width: 27px; height: 27px; flex: none; color: var(--home-teal); }
.home-float span { display: grid; color: var(--home-sub); font-size: 10px; font-weight: 700; line-height: 1.35; }
.home-float strong { color: var(--home-ink); font-size: 13px; }
.home-float--listen { top: 18%; left: 4%; transform: rotate(-5deg); }
.home-float--words { top: 23%; right: 3%; color: var(--home-coral); animation-delay: -1.2s; transform: rotate(4deg); }
.home-float--words svg { color: var(--home-coral); }
.home-float--speak { right: 9%; bottom: 15%; animation-delay: -2.1s; transform: rotate(-4deg); }
.home-art-note {
  position: absolute; z-index: 2; left: 50%; bottom: 10%; transform: translateX(-50%);
  width: max-content; color: var(--home-teal-dark); font-size: 12px; font-weight: 900;
}
@keyframes home-drift { 0%, 100% { translate: 0 0; } 50% { translate: 0 -6px; } }

.tool-explorer { padding: 34px 0 76px; }
.tool-explorer__panel {
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid rgba(229, 223, 210, .9);
  border-radius: 28px;
  background: rgba(255, 254, 250, .82);
  box-shadow: 0 10px 34px rgba(51, 65, 74, .045);
}
.tool-explorer__head {
  display: flex; align-items: end; justify-content: space-between; gap: 20px;
  margin-bottom: 25px;
}
.section-kicker { margin: 0 0 8px; color: var(--home-teal); font-size: 11px; font-weight: 900; letter-spacing: .13em; }
.tool-explorer h2 { margin: 0; font-size: clamp(24px, 3.3vw, 37px); font-weight: 900; letter-spacing: -.035em; line-height: 1.4; }
.tool-explorer__intro { margin: 8px 0 0; color: var(--home-sub); font-size: 14px; }
.tool-pick-random {
  flex: none; min-height: 44px; padding: 8px 14px;
  border: 1px solid rgba(29, 127, 150, .26); border-radius: 999px;
  background: var(--home-teal-soft); color: var(--home-teal-dark);
  font-size: 13px; font-weight: 900; cursor: pointer;
  transition: background-color .18s ease, transform .18s ease;
}
.tool-pick-random:hover { transform: translateY(-1px); background: #d9edf0; }
.tool-pick-random:focus-visible { outline: 3px solid rgba(29, 127, 150, .42); outline-offset: 3px; }
.tool-controls { display: grid; gap: 16px; margin-bottom: 14px; }
.tool-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.tool-filter {
  min-height: 42px; padding: 7px 15px; border: 1px solid var(--home-line); border-radius: 999px;
  background: #fff; color: var(--home-sub); font-size: 13px; font-weight: 700; cursor: pointer;
  transition: color .16s ease, background-color .16s ease, border-color .16s ease, transform .16s ease;
}
.tool-filter:hover { transform: translateY(-1px); border-color: rgba(29, 127, 150, .4); color: var(--home-teal-dark); }
.tool-filter[aria-pressed="true"] { border-color: var(--home-teal); background: var(--home-teal); color: #fff; }
.tool-search-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.tool-search-wrap { position: relative; width: min(100%, 410px); }
.tool-search-wrap svg { position: absolute; left: 14px; top: 50%; width: 19px; height: 19px; color: #829198; transform: translateY(-50%); pointer-events: none; }
.tool-search {
  width: 100%; min-height: 48px; padding: 10px 16px 10px 43px;
  border: 1px solid var(--home-line); border-radius: 14px; background: #fff;
  color: var(--home-ink); font-size: 14px; outline: none;
}
.tool-search::placeholder { color: #8a969a; }
.tool-search:focus { border-color: rgba(29,127,150,.7); box-shadow: 0 0 0 3px rgba(29,127,150,.1); }
.tool-results { margin: 0; color: var(--home-sub); font-size: 12px; font-weight: 700; white-space: nowrap; }
.tool-results strong { color: var(--home-teal-dark); font-size: 15px; font-variant-numeric: tabular-nums; }
.tool-grid { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 15px; }
@media (min-width: 620px) { .tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; } }
@media (min-width: 1000px) { .tool-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; } }
.tool-card {
  position: relative; min-width: 0; min-height: 230px; padding: 19px 19px 17px;
  display: flex; flex-direction: column; align-items: flex-start;
  border: 1px solid var(--home-line); border-radius: 19px;
  background: #fff; color: var(--home-ink); overflow: hidden;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.tool-card::after {
  content: ""; position: absolute; right: -24px; top: -28px; width: 100px; height: 100px;
  border-radius: 50%; background: var(--card-tint, var(--home-teal-soft)); opacity: .68; transition: transform .2s ease;
}
.tool-card:hover { transform: translateY(-3px); border-color: rgba(29,127,150,.42); box-shadow: 0 12px 28px rgba(51,65,74,.09); text-decoration: none; }
.tool-card:hover::after { transform: scale(1.35); }
.tool-card.is-picked { border-color: var(--home-coral); background: #fffdfa; box-shadow: 0 0 0 3px rgba(239,133,119,.17), 0 12px 28px rgba(51,65,74,.08); }
.tool-card[hidden] { display: none !important; }
.tool-card__top, .tool-card h3, .tool-card__description, .tool-card__meta, .tool-card__open { position: relative; z-index: 1; }
.tool-card__top { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 12px; }
.tool-card__icon {
  display: grid; place-items: center; width: 44px; height: 44px; flex: none;
  border-radius: 14px; background: var(--card-tint, var(--home-teal-soft)); color: var(--card-accent, var(--home-teal));
}
.tool-card__icon svg { width: 24px; height: 24px; }
.tool-card__category {
  padding: 5px 9px; border-radius: 999px; background: var(--card-tint, var(--home-teal-soft));
  color: var(--card-accent, var(--home-teal-dark)); font-size: 10px; font-weight: 900; letter-spacing: .03em;
}
.tool-card h3 { margin: 13px 0 4px; font-size: 18px; font-weight: 900; letter-spacing: -.02em; line-height: 1.45; }
.tool-card__description { margin: 0; color: var(--home-sub); font-size: 12px; line-height: 1.7; }
.tool-card__meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tool-card__meta span {
  display: inline-flex; align-items: center; min-height: 24px; padding: 3px 8px;
  border-radius: 7px; background: #f6f7f5; color: #68777c; font-size: 10px; font-weight: 700; line-height: 1.3;
}
.tool-card__open { display: flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 14px; color: var(--card-accent, var(--home-teal-dark)); font-size: 12px; font-weight: 900; }
.tool-card__open svg { width: 15px; height: 15px; transition: transform .18s ease; }
.tool-card:hover .tool-card__open svg { transform: translateX(3px); }
.tone-listen { --card-accent: #1d7f96; --card-tint: #e5f3f5; }
.tone-read { --card-accent: #5275a9; --card-tint: #edf1f8; }
.tone-grammar { --card-accent: #7664a7; --card-tint: #f0edf8; }
.tone-words { --card-accent: #b68142; --card-tint: #f8f0e4; }
.tone-speak { --card-accent: #d47768; --card-tint: #fff0eb; }
.tone-toeic { --card-accent: #4d6587; --card-tint: #edf1f5; }
.tool-empty {
  padding: 38px 18px; border: 1px dashed var(--home-line); border-radius: 18px;
  color: var(--home-sub); text-align: center; font-size: 14px;
}
.tool-empty[hidden] { display: none; }
.tool-explorer__foot {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px;
  margin: 20px 0 0; color: var(--home-sub); font-size: 12px; text-align: center;
}
.tool-explorer__foot span { display: inline-flex; align-items: center; gap: 6px; }
.tool-explorer__foot svg { width: 15px; height: 15px; color: var(--home-teal); }

.home-footer { padding: 24px 0 36px; border-top: 1px solid var(--home-line); background: rgba(255,254,250,.55); }
.home-footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; }
.home-footer__brand { color: var(--home-ink); font-size: 17px; font-weight: 900; }
.home-footer__tagline { margin: 2px 0 0; color: var(--home-sub); font-size: 11px; }
.home-footer nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.home-footer nav a { display: inline-flex; align-items: center; min-height: 40px; color: var(--home-sub); font-size: 12px; font-weight: 700; }
.home-footer nav a:hover { color: var(--home-teal); text-decoration: underline; }

@media (max-width: 760px) {
  .home-hero { padding-top: 39px; }
  .home-hero__inner { grid-template-columns: 1fr; gap: 22px; }
  .home-hero__copy { margin-inline: auto; text-align: center; }
  .home-hero__lead { margin-inline: auto; }
  .home-hero__facts, .home-hero__actions { justify-content: center; }
  .home-hero__visual { min-height: 275px; }
  .home-artboard { min-height: 270px; width: min(100%, 430px); }
  .home-listener { width: min(48%, 200px); }
  .home-artboard::before { width: 220px; height: 220px; }
  .home-artboard::after { width: 292px; height: 292px; }
  .home-float--listen { top: 14%; left: 1%; }
  .home-float--words { top: 17%; right: 0; }
  .home-float--speak { right: 3%; bottom: 11%; }
  .tool-explorer__head { align-items: flex-start; flex-direction: column; }
  .tool-pick-random { align-self: flex-start; }
  .tool-search-row { align-items: flex-start; flex-direction: column; gap: 8px; }
  .tool-search-wrap { width: 100%; }
}
@media (max-width: 420px) {
  .home-wrap { width: min(100% - 28px, 1160px); }
  .home-hero h1 { font-size: clamp(31px, 9vw, 40px); }
  .home-hero__actions { flex-direction: column; align-items: stretch; }
  .home-button { width: 100%; }
  .home-hero__visual { min-height: 248px; }
  .home-artboard { min-height: 244px; border-radius: 26px; }
  .home-float { min-width: 112px; gap: 7px; padding: 8px 10px; }
  .home-float svg { width: 23px; height: 23px; }
  .home-float--listen { top: 13%; left: 0; }
  .home-float--words { top: 18%; right: 0; }
  .home-float--speak { right: 1%; bottom: 10%; }
  .tool-explorer { padding-bottom: 48px; }
  .tool-explorer__panel { padding: 20px 14px; border-radius: 23px; }
  .tool-filters { flex-wrap: nowrap; overflow-x: auto; margin-inline: -2px; padding: 2px 2px 7px; scrollbar-width: thin; }
  .tool-filter { flex: none; }
  .tool-card { min-height: 218px; padding: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
