:root {
  --ink: #071019;
  --deep: #0a1721;
  --surface: #101f29;
  --paper: #dfe2dc;
  --muted: #9aa8aa;
  --gold: #d9b873;
  --gold-pale: #f0d99f;
  --teal: #6faea9;
  --line: rgba(217, 184, 115, .24);
  /* 作品名の読みのローマ字。アプリのタイトル画面と同じセリフ体（Apple端末はNew York）と青白 */
  --reading-font: ui-serif, "New York", "Source Serif 4", serif;
  --reading-ink: #d1e6f0;
  --reading-mist: rgba(189, 214, 224, .17);
}

* { box-sizing: border-box; }
/* 日本語の折り返し。対応する閲覧環境では文節で折り、小書きカナや句読点を行頭へ送らない */
body, h1, h2, h3, blockquote, p, li { word-break: auto-phrase; line-break: strict; }
/* 見出しは行の長さを揃え、本文は最後の行に1〜2文字だけ残さない */
h2, blockquote { text-wrap: balance; }
p { text-wrap: pretty; }
html { scroll-behavior: smooth; background: var(--ink); }
body {
  margin: 0;
  color: var(--paper);
  background:
    radial-gradient(circle at 15% 38%, rgba(57, 105, 113, .12), transparent 28rem),
    var(--ink);
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.8;
}
a { color: inherit; }
img { display: block; max-width: 100%; }

.site-header {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 4.5vw;
  border-bottom: 1px solid rgba(255,255,255,.1);
  background: linear-gradient(180deg, rgba(5,12,18,.94), rgba(5,12,18,.68));
  backdrop-filter: blur(14px);
}
.wordmark { text-decoration: none; font: 700 1.1rem "Noto Serif JP", serif; letter-spacing: .14em; }
.wordmark span { display: block; }
.wordmark .reading { margin-bottom: -6px; color: var(--gold); font: 400 .6rem var(--reading-font); letter-spacing: .48em; }
nav { display: flex; align-items: center; gap: clamp(1rem, 3vw, 2.8rem); }
nav a { color: #cdd3d0; text-decoration: none; font-size: .82rem; letter-spacing: .12em; }
nav a:hover { color: var(--gold-pale); }
.nav-cta { padding: .62rem 1rem; border: 1px solid var(--line); }

.hero { position: relative; min-height: 100svh; overflow: hidden; display: grid; align-items: end; padding: 9rem 7vw 8vh; }
.hero-world { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 43%; filter: saturate(.72) contrast(1.06); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,9,14,.96) 0%, rgba(3,9,14,.72) 44%, rgba(3,9,14,.12) 76%), linear-gradient(0deg, rgba(3,9,14,.9), transparent 38%, rgba(3,9,14,.18)); }
.hero-copy { position: relative; z-index: 1; width: min(780px, 92vw); }
.hero-title-reading { position: relative; isolation: isolate; display: inline-block; margin: 0 0 .7rem; text-indent: 12px; color: var(--reading-ink); font: 300 clamp(1.05rem, 1.6vw, 1.5rem) var(--reading-font); letter-spacing: .72em; text-shadow: 0 0 7px rgba(255, 255, 255, .42), 0 0 20px rgba(176, 214, 232, .45), 0 2px 18px #000; animation: reading-reveal 1.5s ease-out 1s both; }
/* 文字の背後に漂う霧。アプリのタイトルロゴと同じく、ぼかした面をうっすら敷く */
.hero-title-reading::before { content: ""; position: absolute; z-index: -1; inset: -.75em -.45em; border-radius: 999px; background: var(--reading-mist); filter: blur(13px); }
/* 作品名より少し遅れて、ぼけた状態から浮かび上がる（アプリは1秒後に1.5秒かけて出す） */
@keyframes reading-reveal { from { opacity: 0; filter: blur(4px); transform: scale(.96); } to { opacity: 1; filter: blur(0); transform: scale(1); } }
.eyebrow { margin: 0 0 1.25rem; color: var(--gold); font-size: .74rem; font-weight: 700; letter-spacing: .32em; text-transform: uppercase; }
h1, h2, blockquote { font-family: "Noto Serif JP", serif; }
h1 { margin: 0; max-width: 920px; font-size: clamp(4.1rem, 9.2vw, 9.2rem); line-height: 1.08; letter-spacing: -.065em; text-shadow: 0 3px 30px #000; }
h1 em { color: var(--gold-pale); font-style: normal; }
ruby rt { font-family: "Noto Sans JP", sans-serif; font-size: .16em; letter-spacing: .4em; }
.hero-slogan { margin: 1.5rem 0 0; color: var(--gold-pale); font: 600 clamp(1.25rem, 2vw, 1.8rem) "Noto Serif JP", serif; letter-spacing: .08em; }
.hero-lead { margin: 1.2rem 0 2.5rem; max-width: 610px; color: #d3d7d4; font-size: clamp(1rem, 1.4vw, 1.2rem); }
.primary-cta { display: inline-flex; align-items: center; gap: 2.5rem; padding: 1rem 1.25rem; border-bottom: 1px solid var(--gold); color: var(--gold-pale); text-decoration: none; font-weight: 600; letter-spacing: .12em; }
.primary-cta span { font-size: 1.3rem; transition: transform .25s ease; }
.primary-cta:hover span { transform: translateY(4px); }
.hero-note { position: absolute; z-index: 1; right: 4vw; bottom: 6vh; display: flex; align-items: center; gap: .9rem; }
.hero-note > span { color: var(--gold); font: 600 2.6rem "Noto Serif JP", serif; }
.hero-note p { margin: 0; padding-left: .9rem; border-left: 1px solid var(--line); color: var(--muted); font-size: .7rem; line-height: 1.6; letter-spacing: .15em; }
.hero-note strong { color: var(--paper); }

.manifesto { display: grid; grid-template-columns: .95fr 1.3fr; gap: 5vw; padding: clamp(5rem, 11vw, 10rem) 7vw; border-bottom: 1px solid var(--line); }
h2 { margin: 0 0 1.8rem; font-size: clamp(2.2rem, 4.2vw, 4.4rem); line-height: 1.3; letter-spacing: -.035em; }
.manifesto-copy > p:last-child, .leaders-copy > p:last-child { max-width: 31rem; color: #aeb9b8; }
.rule-stack { border-top: 1px solid var(--line); }
.rule-stack article { display: grid; grid-template-columns: 3rem 1fr; column-gap: 1.4rem; padding: 1.5rem 0 1.8rem; border-bottom: 1px solid var(--line); }
.rule-stack article > span { color: var(--gold); font: 600 1.35rem "Noto Serif JP", serif; }
.rule-stack h3 { margin: 0; font: 600 1.3rem "Noto Serif JP", serif; }
.rule-stack p { grid-column: 2; margin: .55rem 0 0; color: var(--muted); font-size: .94rem; }

.leaders { min-height: 760px; display: grid; grid-template-columns: .7fr 1.3fr; align-items: center; gap: 4vw; padding: 6rem 7vw; overflow: hidden; background: linear-gradient(120deg, #0e1d26, #071019 66%); }
.leaders-copy { position: relative; z-index: 2; }
/* 実際のカードを4枚。中央を手前に、両端を外へ倒して扇のように並べる */
.card-stage { position: relative; display: flex; justify-content: center; align-items: center; align-self: stretch; min-height: 560px; }
.card-stage::before { content: ""; position: absolute; inset: 14% 4%; background: radial-gradient(circle, rgba(178,140,77,.24), transparent 64%); filter: blur(26px); }
.stage-card { position: relative; width: 30%; max-width: 244px; height: auto; border-radius: 12px; border: 1px solid rgba(217,184,115,.34); box-shadow: 0 26px 38px rgba(0,0,0,.7); transform-origin: 50% 100%; }
.stage-card:nth-child(1) { z-index: 1; margin-right: -4%; transform: rotate(-8deg) translateY(14px); }
.stage-card:nth-child(2) { z-index: 2; margin-right: -4%; transform: rotate(-2.6deg); }
.stage-card:nth-child(3) { z-index: 3; margin-right: -4%; transform: rotate(2.6deg); }
.stage-card:nth-child(4) { z-index: 4; transform: rotate(8deg) translateY(14px); }

blockquote { margin: 0 0 2.4rem; color: var(--gold-pale); font-size: clamp(2rem, 4.6vw, 4.5rem); font-weight: 600; line-height: 1.4; }
.story-link { display: inline-flex; align-items: center; gap: 2rem; margin-top: 1.4rem; padding: .9rem 0; border-bottom: 1px solid var(--gold); color: var(--gold-pale); text-decoration: none; font-weight: 600; letter-spacing: .1em; }
.story-link span { transition: transform .25s ease; }
.story-link:hover span { transform: translateX(5px); }

.status { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; padding: clamp(5rem, 11vw, 9rem) 12vw; }
.status-copy { padding-top: 2.5rem; color: #aeb8b6; }
.status-chip { display: inline-flex; align-items: center; gap: .7rem; margin-top: 1.5rem; padding: .65rem .9rem; border: 1px solid var(--line); color: var(--gold-pale); font-size: .72rem; font-weight: 700; letter-spacing: .16em; }
.status-chip span { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 14px var(--teal); }

footer { display: grid; grid-template-columns: 1fr 1fr auto; align-items: end; gap: 2rem; padding: 3rem 7vw; border-top: 1px solid var(--line); color: var(--muted); }
.footer-title { color: var(--paper); font: 700 1.15rem "Noto Serif JP", serif; letter-spacing: .13em; }
.footer-title span { display: block; color: var(--gold); font: 400 .58rem var(--reading-font); letter-spacing: .4em; }
footer p { margin: 0; font-size: .82rem; }
footer small { font-size: .68rem; }

.episode-page { background: #071019; }
.episode-hero { position: relative; min-height: min(820px, 92svh); display: grid; align-items: end; overflow: hidden; padding: 9rem 10vw 7rem; }
.episode-hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 34%; filter: saturate(.52) contrast(1.08); }
.episode-hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,10,16,.97), rgba(4,10,16,.58) 60%, rgba(4,10,16,.18)), linear-gradient(0deg, #071019 0%, transparent 48%); }
.episode-hero-copy { position: relative; z-index: 1; max-width: 1240px; }
.episode-kicker { margin: 0 0 1rem; color: #c4cdca; font-size: .9rem; letter-spacing: .18em; }
.episode-hero h1 { margin: 0; max-width: 100%; font-size: clamp(2.2rem, 5.4vw, 6rem); line-height: 1.24; letter-spacing: -.055em; line-break: strict; }
.episode-date { margin: 2rem 0 0; color: var(--gold); font: 600 .78rem "Noto Sans JP", sans-serif; letter-spacing: .42em; }
.episode-article { width: min(760px, 88vw); margin: 0 auto; padding: clamp(5rem, 10vw, 9rem) 0; }
.episode-article > p { margin: 0 0 2rem; color: #c3ccca; font-family: "Noto Serif JP", serif; font-size: clamp(1.08rem, 1.7vw, 1.28rem); line-height: 2.25; }
.episode-article .episode-lead { margin-bottom: 3rem; color: var(--gold-pale); font-size: clamp(1.75rem, 3vw, 2.7rem); font-weight: 600; line-height: 1.6; }
.memory-rule { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1.5rem; margin: clamp(4rem, 9vw, 7rem) 0; color: var(--gold); font: 600 1rem "Noto Serif JP", serif; }
.memory-rule::before, .memory-rule::after { content: ""; height: 1px; background: linear-gradient(90deg, transparent, var(--line)); }
.memory-rule::after { background: linear-gradient(90deg, var(--line), transparent); }
.episode-article blockquote { margin: 4rem 0 1.4rem; padding: 0 0 0 2rem; border-left: 2px solid var(--gold); color: var(--gold-pale); font-size: clamp(2rem, 4.5vw, 3.8rem); line-height: 1.55; }
.episode-article .episode-closing { margin-top: clamp(5rem, 10vw, 8rem); padding-top: 3rem; border-top: 1px solid var(--line); color: var(--paper); font-size: clamp(1.3rem, 2.2vw, 1.8rem); font-weight: 600; }
.episode-note { margin-top: 4rem; padding: 1.2rem 1.4rem; border: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
.episode-note p { margin: 0; }
.episode-back { margin-top: 2rem; }

@media (max-width: 860px) {
  .site-header { min-height: 66px; padding: 0 5vw; }
  nav a:not(.nav-cta) { display: none; }
  .hero { min-height: 900px; align-items: center; padding: 8rem 6vw 10rem; }
  .hero-world { object-position: 58% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(3,9,14,.96) 0%, rgba(3,9,14,.56) 64%, rgba(3,9,14,.28)); }
  .hero-copy { margin-top: 14rem; }
  h1 { font-size: clamp(4rem, 16vw, 6.6rem); }
  .hero-note { left: 6vw; right: auto; bottom: 4vh; }
  .manifesto { grid-template-columns: 1fr; gap: 2rem; padding-inline: 6vw; }
  .leaders { grid-template-columns: 1fr; min-height: 0; padding: 5rem 6vw 4rem; }
  .card-stage { min-height: 0; margin-top: 1rem; }
  .stage-card { width: 27%; max-width: 200px; }
  .stage-card:nth-child(1), .stage-card:nth-child(2), .stage-card:nth-child(3) { margin-right: -5%; }
  .status { grid-template-columns: 1fr; gap: 0; padding-inline: 6vw; }
  .status-copy { padding-top: 0; }
  footer { grid-template-columns: 1fr; align-items: start; }
  .episode-hero { min-height: 760px; padding: 8rem 6vw 5rem; }
  .episode-hero > img { object-position: 58% 35%; }
  .episode-hero-shade { background: linear-gradient(0deg, #071019 0%, rgba(4,10,16,.58) 72%, rgba(4,10,16,.25)); }
}

@media (max-width: 520px) {
  .stage-card { width: 29%; }
  .stage-card:nth-child(1), .stage-card:nth-child(2), .stage-card:nth-child(3) { margin-right: -7%; }
  .nav-cta { padding: .45rem .7rem; font-size: .72rem; }
  .hero { min-height: 820px; }
  .hero-title-reading { letter-spacing: .48em; }
  h1 { font-size: clamp(3.8rem, 17vw, 5.4rem); }
  .hero-slogan { font-size: 1.2rem; }
  .hero-lead br { display: none; }
  .primary-cta { gap: 1.3rem; }
  blockquote br { display: none; }
  .episode-hero { min-height: 700px; }
  .episode-hero h1 { font-size: clamp(1.9rem, 7.6vw, 3rem); }
  .episode-article blockquote { padding-left: 1.3rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* βの案内ページ（サポート・プライバシー・利用規約）への導線 */
.footer-links { margin: .6rem 0 .2rem; font-size: .82rem; letter-spacing: .06em; }
.footer-links a { color: var(--gold-pale); text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }