:root {
  --bg: #05080d;
  --bg-soft: #0a1018;
  --panel: rgba(4, 8, 13, 0.84);
  --text: #e8edf4;
  --muted: #8d9aaa;
  --line: rgba(137, 163, 193, 0.22);
  --blue: #6ba9db;
  --red: #df5e76;
  --purple: #8a70b8;
  --max: 1120px;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.48);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 0%, rgba(44, 70, 98, 0.14), transparent 32rem),
    var(--bg);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.9;
  letter-spacing: 0.04em;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.035;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 2px, rgba(255,255,255,.5) 3px);
  mix-blend-mode: overlay;
}

img {
  display: block;
  width: 100%;
}

button, a {
  font: inherit;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 999;
  padding: 0.7rem 1rem;
  background: #fff;
  color: #000;
}

.skip-link:focus { top: 1rem; }

.site-header {
  position: fixed;
  z-index: 80;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  color: rgba(232, 237, 244, .72);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .72rem;
  letter-spacing: .22em;
  background: linear-gradient(to bottom, rgba(5,8,13,.9), transparent);
}

.site-logo {
  text-decoration: none;
  display: inline-flex;
  gap: .55rem;
  align-items: center;
}

.live-dot {
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 14px var(--red);
  animation: livePulse 2s infinite;
}

.hero {
  min-height: clamp(1060px, 118svh, 1220px);
  position: relative;
  display: grid;
  justify-items: center;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
  background: var(--bg);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("./assets/top-picture.png");
  background-size: cover;
  background-position: center 40%;
  background-repeat: no-repeat;
  filter: brightness(.74) contrast(1.08) saturate(1.02);
  z-index: -3;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(to right, rgba(5,8,13,.16) 0%, rgba(5,8,13,0) 14%, rgba(5,8,13,0) 86%, rgba(5,8,13,.16) 100%),
    linear-gradient(to bottom,
      rgba(5,8,13,0) 0%,
      rgba(5,8,13,.06) 36%,
      rgba(5,8,13,.38) 48%,
      rgba(5,8,13,.74) 60%,
      rgba(5,8,13,.9) 74%,
      rgba(5,8,13,.97) 88%,
      var(--bg) 100%);
}

.scanline {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to bottom, transparent 0 48%, rgba(107,169,219,.09) 49%, transparent 50%);
  background-size: 100% 22rem;
  animation: scan 12s linear infinite;
  opacity: .28;
}

.hero-content {
  width: min(92%, 780px);
  text-align: center;
  padding: 1rem 1rem clamp(2.25rem, 5vh, 3.5rem);
  text-shadow: 0 1px 6px rgba(0,0,0,.55);
}

.eyebrow,
.section-number {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .72rem;
  letter-spacing: .34em;
  text-transform: uppercase;
}

.hero-content .eyebrow {
  margin: 0;
}

h1 {
  margin: .6rem 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 400;
  font-size: clamp(1.9rem, 5.6vw, 3.4rem);
  letter-spacing: clamp(.02em, .6vw, .16em);
  text-shadow: 0 0 30px rgba(107,169,219,.3), 0 2px 12px rgba(0,0,0,.6);
  /* 折り返し時に1文字だけの行を作らない */
  text-wrap: balance;
}

@media (min-width: 640px) {
  .title-break { display: none; }
}

.hero-copy {
  margin: .7rem 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1rem, 2vw, 1.28rem);
}

.genre {
  margin: 0;
  color: var(--muted);
  font-size: .86rem;
}

.release-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.75rem;
  max-width: 760px;
  margin: 1.25rem auto 1.1rem;
}

.release-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  flex: 1 1 320px;
  border: 1px solid var(--line);
  background: var(--line);
}

.release-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  text-align: center;
  background: rgba(5,8,13,.82);
}

.release-grid span,
.release-grid strong {
  display: block;
}

.release-grid span {
  color: var(--text);
  font-size: .9rem;
  font-weight: 500;
}

.release-grid strong {
  margin-top: .25rem;
  font-size: .93rem;
  font-weight: 500;
}

.release-item--solo strong {
  margin-top: 0;
  font-size: 1.05rem;
}

.cta {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: min(100%, 21rem);
  padding: 1rem 1.5rem;
  border: 1px solid rgba(107,169,219,.65);
  background: rgba(13,30,45,.88);
  text-decoration: none;
  box-shadow: 0 0 30px rgba(107,169,219,.11);
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.cta:hover {
  transform: translateY(-2px);
  border-color: rgba(232,237,244,.9);
  background: rgba(19,42,62,.95);
}

.cta strong {
  font-size: 1rem;
  letter-spacing: .08em;
}

.cta small {
  color: var(--muted);
  font-size: .68rem;
}

.cta.secondary {
  border-color: rgba(223,94,118,.56);
  background: rgba(53,15,25,.76);
}

.micro-copy {
  margin-top: 1rem;
  color: rgba(141,154,170,.66);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .68rem;
  letter-spacing: .2em;
}

.section {
  width: min(calc(100% - 2rem), var(--max));
  margin-inline: auto;
  padding: clamp(5rem, 10vw, 9rem) 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
}

.section-heading h2,
.final-overlay h2,
.romaco-panel h2 {
  margin: .5rem 0 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.7rem, 4vw, 3.3rem);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: .08em;
  text-wrap: balance;
}

/* デスクトップでは1行、幅が足りない場合のみ自然な2行に収まるよう専用に幅を広げる */
.product-heading {
  max-width: 850px;
}

.product-heading h2 {
  line-break: strict;
}

.story-layout,
.voice-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .9fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
}

.product-layout {
  max-width: 560px;
  margin-inline: auto;
}

.prose p { margin: 0 0 1.45rem; }

.prose blockquote {
  margin: 2.2rem 0;
  padding: 1rem 0 1rem 1.4rem;
  border-left: 1px solid var(--purple);
  color: #f4f0fa;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.08rem;
}

.story-question {
  margin-top: 3rem !important;
  color: #fff;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.25rem;
}

.phone-stack {
  display: flex;
  justify-content: center;
}

.phone-shot {
  margin: 0;
  width: min(88%, 440px);
  border: 1px solid rgba(137,163,193,.3);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.bonus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 4rem;
  border: 1px solid var(--line);
  background: var(--line);
}

.bonus-grid article {
  background: var(--bg-soft);
  padding: clamp(1.4rem, 4vw, 2.5rem);
}

.bonus-index {
  color: var(--red);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .72rem;
}

.free-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid rgba(107,169,219,.34);
  background: linear-gradient(135deg, rgba(15,28,42,.92), rgba(5,8,13,.96));
}

.wave-pair {
  display: flex;
  justify-content: center;
}

.wave-pair figure {
  margin: 0;
  width: min(88%, 440px);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

/* サンプルボイス。フルボイス版の価値を、買う前に聞いて確かめてもらうためのブロック。 */
.voice-sample {
  margin-top: clamp(3rem, 8vw, 6rem);
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid rgba(107, 169, 219, .34);
  background: linear-gradient(135deg, rgba(15, 28, 42, .92), rgba(5, 8, 13, .96));
}

.voice-sample-heading h3 {
  margin: .5rem 0 1.2rem;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 400;
  font-size: clamp(1.35rem, 4vw, 1.9rem);
  line-height: 1.65;
}

.voice-sample-lead {
  margin: 0 0 2rem;
  color: var(--muted);
  font-size: .9rem;
}

/* JSが動いた時点で controls を外す。外れたら自前のUIだけを見せる。 */
.voice-player-native:not([controls]) { display: none; }

.voice-player-native[controls] {
  width: 100%;
  max-width: 30rem;
}

.voice-player-ui {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(1rem, 3vw, 1.8rem);
}

.voice-player-ui[hidden] { display: none; }

.voice-player-toggle {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  flex-shrink: 0;
  padding: .85rem 1.4rem;
  border: 1px solid rgba(107, 169, 219, .65);
  background: rgba(13, 30, 45, .88);
  color: var(--text);
  font-size: .9rem;
  letter-spacing: .08em;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.voice-player-toggle:hover,
.voice-player-toggle:focus-visible {
  border-color: rgba(232, 237, 244, .9);
  background: rgba(19, 42, 62, .95);
  transform: translateY(-1px);
}

.voice-player-toggle[disabled] {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
}

.voice-player-icon {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: .42rem 0 .42rem .68rem;
  border-color: transparent transparent transparent var(--blue);
}

.voice-player[data-state="playing"] .voice-player-icon {
  width: .62rem;
  height: .84rem;
  border-style: solid;
  border-width: 0 .21rem;
  border-color: var(--blue);
}

.voice-player-meter {
  flex: 1 1 12rem;
  min-width: 0;
  max-width: 26rem;
}

.voice-player-track {
  height: 2px;
  background: rgba(137, 163, 193, .22);
  overflow: hidden;
}

.voice-player-fill {
  display: block;
  width: 0;
  height: 100%;
  background: var(--blue);
  transition: width .15s linear;
}

.voice-player-time {
  margin: .6rem 0 0;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .7rem;
  letter-spacing: .12em;
}

/* 開発裏話配信。本文を左、視聴条件を右に並べる。 */
.devstory-card {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid rgba(107, 169, 219, .34);
  background: linear-gradient(135deg, rgba(15, 28, 42, .92), rgba(5, 8, 13, .96));
}

.devstory-copy p:last-child { margin-bottom: 0; }

.devstory-info dt {
  font-size: .8rem;
  letter-spacing: .06em;
}

.devstory-info dd {
  font-size: .92rem;
  line-height: 1.8;
}

/* 宣伝用ショート動画。縦長なので幅を絞り、説明と横並びにする。 */
.devstory-teaser {
  display: grid;
  grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  gap: clamp(1.6rem, 5vw, 3.5rem);
  align-items: center;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.devstory-short {
  width: 100%;
  max-width: 300px;
}

/* 押されるまでYouTubeを読み込まない、サムネイルだけの再生ボタン。 */
.devstory-short-facade {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  padding: 0;
  border: 1px solid rgba(107, 169, 219, .34);
  background: #000;
  color: var(--text);
  cursor: pointer;
  overflow: hidden;
  transition: border-color .2s ease, transform .2s ease;
}

.devstory-short-facade img {
  height: 100%;
  object-fit: cover;
  filter: brightness(.82);
  transition: filter .3s ease;
}

.devstory-short-facade:hover,
.devstory-short-facade:focus-visible {
  border-color: rgba(232, 237, 244, .9);
  transform: translateY(-2px);
}

.devstory-short-facade:hover img,
.devstory-short-facade:focus-visible img {
  filter: brightness(1);
}

.devstory-short-play {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 3.4rem;
  height: 3.4rem;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(107, 169, 219, .7);
  border-radius: 50%;
  background: rgba(5, 8, 13, .62);
}

.devstory-short-play::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 54%;
  transform: translate(-50%, -50%);
  border-style: solid;
  border-width: .48rem 0 .48rem .78rem;
  border-color: transparent transparent transparent var(--blue);
}

.devstory-short-label {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 1.6rem .8rem .7rem;
  background: linear-gradient(transparent, rgba(5, 8, 13, .92) 55%);
  font-size: .78rem;
  letter-spacing: .06em;
  text-align: center;
}

/* 再生後、上のボタンと差し替わるYouTubeプレイヤー。 */
.devstory-short-frame {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  border: 1px solid rgba(107, 169, 219, .34);
}

.devstory-teaser-copy { max-width: 34rem; }

.devstory-teaser-copy p { margin: 0 0 1rem; }

.devstory-teaser-copy p:last-child { margin-bottom: 0; }

.devstory-teaser-copy .section-number { margin: 0; }

.devstory-teaser-copy h3 {
  margin: .5rem 0 1.3rem;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 400;
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  line-height: 1.6;
  letter-spacing: .06em;
}

.devstory-teaser-note {
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.85;
}

.devstory-teaser-link a {
  color: var(--blue);
  font-size: .84rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(107, 169, 219, .45);
}

.devstory-teaser-link a:hover,
.devstory-teaser-link a:focus-visible {
  color: #fff;
  border-bottom-color: rgba(232, 237, 244, .9);
}

/* どのプランに声が入るかを、試聴のすぐ下で明示する。 */
.voice-sample-scope {
  margin: 2rem 0 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  font-size: .84rem;
  line-height: 1.85;
}

.voice-sample-scope strong {
  color: #fff;
  font-weight: 400;
  border-bottom: 1px solid rgba(107, 169, 219, .55);
}

.voice-sample-note {
  margin: .7rem 0 0;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .68rem;
  letter-spacing: .12em;
}

/* プラン表から試聴ブロックへ戻る導線。 */
.plan-sample {
  margin: .9rem 0 0;
  font-size: .78rem;
}

.plan-sample a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(107, 169, 219, .45);
}

.plan-sample a:hover,
.plan-sample a:focus-visible {
  color: #fff;
  border-bottom-color: rgba(232, 237, 244, .9);
}

.bonus-grid h3 {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 400;
  font-size: 1.2rem;
}

.corridor-visual {
  position: relative;
  margin: 4rem 0 0;
  max-height: 65svh;
  overflow: hidden;
}

.corridor-visual img {
  height: 65svh;
  object-fit: cover;
  filter: brightness(.66);
}

.corridor-visual figcaption {
  position: absolute;
  inset: auto 1rem 1rem;
  padding: 1rem;
  text-align: center;
  color: var(--muted);
  background: rgba(5,8,13,.72);
}

.romaco-panel {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 2.5rem;
  padding: clamp(2rem, 6vw, 5rem);
  border: 1px solid rgba(138,112,184,.36);
  background:
    radial-gradient(circle at 100% 0%, rgba(138,112,184,.15), transparent 34rem),
    var(--bg-soft);
}

.romaco-body {
  max-width: 640px;
}

.romaco-icon {
  width: clamp(160px, 16vw, 200px);
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid rgba(138,112,184,.45);
  box-shadow: 0 14px 32px rgba(0,0,0,.4);
}

.romaco-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 35%;
}

.romaco-panel blockquote {
  margin: 1.5rem 0 0;
  padding: 1.5rem;
  border-left: 1px solid var(--purple);
  color: #f4f0fa;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.2rem;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.plan {
  background: var(--bg-soft);
  padding: clamp(1.3rem, 2.5vw, 2rem);
}

.plan h3 {
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 400;
  font-size: 1.15rem;
}

.plan-price {
  margin: .4rem 0 1.1rem;
  font-size: 1.35rem;
  letter-spacing: .04em;
}

.plan-price span {
  color: var(--muted);
  font-size: .72rem;
}

.plan-features {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: .85rem;
}

.plan-features li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: .5rem;
}

.plan-features li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--blue);
}

.plan-bonus-heading {
  margin: 1.2rem 0 .5rem;
  color: var(--red);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .72rem;
  letter-spacing: .18em;
}

.plan--featured {
  background: linear-gradient(160deg, rgba(13, 30, 42, .96), var(--bg-soft));
  box-shadow: inset 0 0 0 1px rgba(107, 169, 219, .45);
}

.bonus-plans {
  margin: .8rem 0 0;
  color: var(--muted);
  font-size: .74rem;
  letter-spacing: .06em;
}

.romaco-links {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.romaco-links a {
  display: inline-block;
  padding: .5rem 1.15rem;
  border: 1px solid rgba(138, 112, 184, .5);
  border-radius: 999px;
  color: var(--text);
  text-decoration: none;
  font-size: .82rem;
  letter-spacing: .1em;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.romaco-links a:hover,
.romaco-links a:focus-visible {
  border-color: rgba(232, 237, 244, .9);
  background: rgba(138, 112, 184, .18);
  transform: translateY(-1px);
}

/* 「項目名：内容」の定義リスト。製品情報と開発裏話配信で共用する。 */
.spec-list {
  margin: 0;
}

.spec-list div {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1rem;
  padding: .8rem 0;
  border-bottom: 1px solid var(--line);
}

.spec-list dt { color: var(--muted); }
.spec-list dd { margin: 0; }

.product-info .spec-list {
  margin-bottom: 2.5rem;
}

.product-note {
  color: var(--muted);
  font-size: .8rem;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 1.2rem 0;
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::before {
  content: "+";
  display: inline-block;
  width: 2rem;
  color: var(--blue);
}

.faq-list details[open] summary::before { content: "−"; }

.faq-list p {
  margin: 1rem 0 0 2rem;
  color: var(--muted);
}

.final-cta {
  position: relative;
  min-height: 90svh;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.final-cta > img {
  position: absolute;
  inset: 0;
  height: 100%;
  object-fit: cover;
  filter: brightness(.35);
}

.final-overlay {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 2rem), 760px);
  padding: clamp(2rem, 6vw, 5rem);
  text-align: center;
  background: rgba(5,8,13,.76);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.romaco-line {
  color: var(--muted);
  margin-top: 2rem;
  font-size: .82rem;
}

.supporters {
  border-top: 1px solid var(--line);
}

.supporters-lead {
  margin-top: 1rem;
  color: var(--muted);
}

.supporters-empty {
  margin: 0;
  color: var(--muted);
}

.supporters-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--line);
}

.supporters-grid li {
  min-width: 0;
  padding: .8rem 1rem;
  background: var(--bg-soft);
  overflow-wrap: anywhere;
  word-break: break-word;
  font-size: .86rem;
}

footer {
  padding: 3rem 1rem;
  text-align: center;
  color: rgba(141,154,170,.58);
  font-size: .68rem;
}

@keyframes livePulse {
  50% { opacity: .35; }
}

@keyframes scan {
  from { background-position-y: -22rem; }
  to { background-position-y: 100vh; }
}

@media (max-width: 800px) {
  .story-layout,
  .voice-layout,
  .romaco-panel,
  .free-card,
  .devstory-card,
  .devstory-teaser {
    grid-template-columns: 1fr;
  }

  .devstory-short { margin-inline: auto; }

  .release-group { grid-template-columns: 1fr; gap: 0; }

  .release-item + .release-item { border-top: 1px solid var(--line); }

  .romaco-icon { width: clamp(120px, 34vw, 160px); margin-inline: auto; }

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

  .plan-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .free-card { gap: 1.5rem; }

  .romaco-panel { gap: 2rem; }

  .supporters-grid { grid-template-columns: repeat(3, 1fr); }

  .hero { min-height: clamp(1520px, 155svh, 1680px); }

  .hero-bg { background-position: 62% top; }
}

@media (max-width: 560px) {
  body { letter-spacing: .025em; }

  .site-header { padding-inline: .8rem; }

  .release-grid strong { font-size: .84rem; }

  .release-grid span { font-size: .8rem; }

  .spec-list div {
    grid-template-columns: 1fr;
    gap: .15rem;
  }

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

  .supporters-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}