/* 群馬モンスターズ ランディングページ
   夜の群馬（藍）× だるまの赤金 × オーロラの紫。
   見出しは明朝（重さ）、ラベルはドット（ゲームの声）で二重奏にしている。 */

:root{
  --ink:#050c16;
  --night:#07131f;
  --deep:#0a1b2b;
  --panel:#0b1d2c;
  --gold:#f3c45a;
  --gold-hi:#ffe79b;
  --gold-deep:#c98f28;
  --cream:#fff7e4;
  --mist:#b6c7d1;
  --mist-2:#7d939f;
  --aqua:#8ed9e5;
  --violet:#a98cff;
  --daruma:#e0483c;
  --line:rgba(255,224,137,.2);
  --line-soft:rgba(255,224,137,.1);
  --serif:"Shippori Mincho B1",'Hiragino Mincho ProN','Yu Mincho',serif;
  --dot:"DotGothic16",monospace;
  --sans:"Hiragino Sans","Yu Gothic UI","Yu Gothic",Meiryo,sans-serif;
}

*{box-sizing:border-box}
html{background:var(--ink);scroll-behavior:smooth}
body{
  margin:0;color:#eef3f5;background:var(--ink);
  font-family:var(--sans);line-height:1.85;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;-webkit-tap-highlight-color:transparent}
h1,h2,h3{margin:0;font-family:var(--serif);font-weight:800;letter-spacing:.02em}
p{margin:0}
ol,ul{margin:0;padding:0;list-style:none}

.wrap{width:min(1120px,calc(100% - 40px));margin-inline:auto}
.wrap.narrow{width:min(760px,calc(100% - 40px))}
.center{text-align:center}
.sp{display:none}

.eyebrow{
  display:inline-flex;align-items:center;gap:11px;margin:0 0 16px;
  color:var(--aqua);font-family:var(--dot);font-size:12px;
  letter-spacing:.22em;text-transform:uppercase;
}
.eyebrow:before{content:"";width:26px;height:1px;background:var(--gold);box-shadow:0 0 12px var(--gold)}
.center .eyebrow:after{content:"";width:26px;height:1px;background:var(--gold);box-shadow:0 0 12px var(--gold)}

h2{font-size:clamp(26px,5.4vw,58px);line-height:1.3;color:var(--cream);text-wrap:balance;line-break:strict;word-break:normal;overflow-wrap:normal}
.lead{max-width:62ch;margin:20px 0 0;color:var(--mist);font-size:clamp(15px,1.85vw,18px)}
.center .lead{margin-inline:auto}
.lead strong{color:var(--gold-hi);font-weight:700}
.lead.sub{color:var(--mist-2);font-size:15px}

/* ===================== nav ===================== */
.nav{
  position:fixed;z-index:100;inset:0 0 auto;height:62px;display:flex;align-items:center;
  background:linear-gradient(180deg,rgba(3,8,14,.94),rgba(3,8,14,.55));
  border-bottom:1px solid var(--line-soft);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;font-size:15px;white-space:nowrap}
.brand img{width:32px;height:32px;border-radius:9px;flex:none;box-shadow:0 0 18px rgba(245,195,77,.26)}
.nav-links{display:flex;align-items:center;gap:22px;color:#bccbd2;font-size:13px;white-space:nowrap}
.nav-links a{text-decoration:none;transition:color .2s}
.nav-links a:hover{color:var(--gold-hi)}
.nav-play{
  padding:9px 20px;color:#180f02;
  background:linear-gradient(135deg,var(--gold-hi),var(--gold));
  border-radius:999px;font-weight:900;box-shadow:0 6px 20px rgba(243,196,90,.24);
}
.nav-play:hover{color:#180f02}

/* ===================== hero ===================== */
.hero{
  position:relative;min-height:100svh;display:flex;flex-direction:column;
  justify-content:center;padding:96px 0 0;overflow:hidden;isolation:isolate;
}
.hero-art{position:absolute;inset:0;z-index:-2}
.hero-art img{width:100%;height:100%;object-fit:cover;object-position:50% 32%}
.hero-art:after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(120% 68% at 50% 26%,transparent 24%,rgba(5,12,22,.62) 62%,var(--ink) 96%),
    linear-gradient(180deg,rgba(5,12,22,.72) 0%,transparent 26%,rgba(5,12,22,.5) 72%,var(--ink) 100%);
}
/* 山頂から立ちのぼる光の柱。ゲームのタイトル画面と同じモチーフ */
.hero-beam{
  position:absolute;left:50%;top:-8%;width:min(230px,44vw);height:66%;
  transform:translateX(-50%);pointer-events:none;
  background:linear-gradient(180deg,rgba(169,140,255,.42),rgba(142,217,229,.16) 55%,transparent);
  filter:blur(22px);animation:beam 7s ease-in-out infinite;
}
@keyframes beam{50%{opacity:.55;width:min(300px,52vw)}}

.hero-inner{position:relative;z-index:1;text-align:center;padding-bottom:26px}
.hero-kicker{
  display:flex;justify-content:center;align-items:center;gap:12px;margin:0 0 22px;
  color:#cfe2e8;font-family:var(--dot);font-size:12px;letter-spacing:.2em;
}
.hero-kicker i{color:var(--gold);font-style:normal}

.logo{display:grid;gap:2px;line-height:1}
.logo-jp{
  font-size:clamp(58px,15vw,132px);letter-spacing:.06em;
  color:var(--gold-hi);
  text-shadow:
    0 2px 0 var(--gold-deep), 0 6px 0 #7c5511,
    0 0 34px rgba(243,196,90,.55), 0 14px 40px rgba(0,0,0,.7);
}
.logo-kana{
  font-size:clamp(30px,7.6vw,64px);letter-spacing:.14em;color:#fff;
  text-shadow:0 2px 0 #6b3fb8, 0 0 26px rgba(169,140,255,.7), 0 10px 30px rgba(0,0,0,.6);
}
.logo-en{
  margin-top:14px;font-family:var(--dot);font-size:clamp(11px,2.2vw,15px);
  font-weight:400;letter-spacing:.42em;color:#9fb6c0;text-indent:.42em;
}
.tagline{
  display:inline-block;margin:26px 0 0;padding:9px 22px;
  background:rgba(4,10,18,.72);border:1px solid var(--line);
  font-family:var(--serif);font-weight:700;font-size:clamp(16px,3.4vw,24px);
  color:var(--cream);letter-spacing:.06em;
}

.hero-cta{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin:34px 0 0}
.hero-meta{margin:22px 0 0;color:#93a8b2;font-family:var(--dot);font-size:11.5px;letter-spacing:.1em}

/* ===================== cta ===================== */
.cta{
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:58px;padding:9px 32px;border-radius:999px;text-decoration:none;
  color:#180f02;background:linear-gradient(135deg,#fff0ad,#eab63c);
  border:1px solid #fff2b6;font-weight:900;font-size:16px;letter-spacing:.03em;
  box-shadow:0 12px 34px rgba(226,171,52,.3);
  transition:transform .2s,box-shadow .2s;
}
.cta small{margin-top:2px;font-size:11px;font-weight:700;opacity:.72;letter-spacing:.04em}
.cta:hover{transform:translateY(-2px);box-shadow:0 18px 44px rgba(226,171,52,.44)}
.cta:focus-visible{outline:2px solid var(--cream);outline-offset:3px}
.cta.ghost{
  color:var(--gold-hi);background:rgba(6,16,26,.66);
  border:1px solid var(--line);box-shadow:none;font-size:15px;
}
.cta.ghost:hover{border-color:var(--gold);background:rgba(10,24,38,.86)}
.cta.big{min-height:66px;padding:11px 44px;font-size:18px;margin-top:30px}

/* ===================== ドット絵の帯 ===================== */
.hero-strip,.strip-wide{
  position:relative;z-index:1;overflow:hidden;
  padding:12px 0;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(4,12,20,.5),rgba(4,12,20,.82));
  mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent);
}
.strip-wide{margin-top:64px}
.strip-track{display:flex;width:max-content;align-items:flex-end;gap:26px;animation:marquee 78s linear infinite}
.strip-track.reverse{animation-direction:reverse}
/* ゲーム本体と同じ 112x140 のフィールド画像。等倍に近い大きさで出す。 */
.strip-track img{
  width:auto;height:96px;
  filter:drop-shadow(0 8px 10px rgba(0,0,0,.55));opacity:.92;
}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ===================== sections ===================== */
.section{position:relative;padding:clamp(78px,11vw,140px) 0}
.section:before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.016) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.016) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:linear-gradient(transparent,#000 22%,#000 78%,transparent);
}
.section>*{position:relative}

/* ---- 遊び方 ---- */
.how{background:radial-gradient(circle at 78% 12%,rgba(31,95,108,.24),transparent 42%)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:52px}
.step{
  position:relative;padding:34px 30px 30px;overflow:hidden;
  border:1px solid var(--line);border-radius:22px;
  background:linear-gradient(155deg,rgba(17,50,66,.68),rgba(6,18,29,.94));
  box-shadow:0 22px 56px rgba(0,0,0,.3);
}
.step:after{
  content:attr(data-no);position:absolute;right:16px;bottom:-30px;
  font-family:var(--dot);font-size:118px;line-height:1;
  color:rgba(255,224,137,.055);
}
.step h3{color:var(--gold-hi);font-size:23px;line-height:1.4}
.step p{margin-top:10px;color:var(--mist);font-size:14.5px}
.how-note{margin:26px 0 0;color:var(--mist-2);font-size:13px}

/* ---- 図鑑 ---- */
.dex{background:linear-gradient(180deg,transparent,rgba(14,44,50,.34),transparent)}
.dex-head{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.dex-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.dex-stats{
  display:grid;grid-template-columns:1fr 1fr;gap:1px;
  border:1px solid var(--line);border-radius:22px;background:var(--line);overflow:hidden;
}
.dex-stats div{padding:30px 16px;background:#08192a;text-align:center}
.dex-stats strong{
  display:block;font-family:var(--dot);font-size:clamp(32px,5vw,52px);line-height:1;
  color:var(--gold-hi);font-weight:400;
}
.dex-stats em{font-style:normal;font-size:.48em;color:var(--mist-2);margin-left:2px}
.dex-stats small{display:block;margin-top:12px;color:var(--mist-2);font-size:12px}

/* ---- 群馬の物語 ---- */
.world{background:radial-gradient(circle at 20% 40%,rgba(88,60,150,.2),transparent 46%)}
.origins{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:52px}
.origin{
  padding:0 30px 32px;border:1px solid var(--line-soft);border-radius:24px;
  background:linear-gradient(180deg,rgba(16,44,60,.5),rgba(5,16,26,.94));
  text-align:center;transition:border-color .25s,transform .25s;
}
.origin:hover{border-color:var(--gold);transform:translateY(-4px)}
.origin-art{position:relative;width:min(100%,260px);margin:-6px auto 4px}
.origin-art:before{
  content:"";position:absolute;left:50%;top:52%;width:74%;aspect-ratio:1;
  transform:translate(-50%,-50%);border-radius:50%;
  background:radial-gradient(circle,rgba(255,209,92,.18),transparent 66%);
}
.origin-art img{position:relative;width:100%;aspect-ratio:1;object-fit:contain;filter:drop-shadow(0 16px 18px rgba(0,0,0,.5))}
.origin-label{
  display:inline-block;padding:2px 16px;border:1px solid var(--line);border-radius:999px;
  color:var(--gold);font-family:var(--dot);font-size:12px;letter-spacing:.2em;
}
.origin h3{margin:14px 0 0;color:var(--cream);font-size:24px}
.origin p{margin-top:10px;color:var(--mist);font-size:14px;text-align:left}
.world-note{margin:32px 0 0;color:var(--mist-2);font-size:13px;text-align:center}

/* ---- 道ばたの人々 ---- */
.roadside{background:linear-gradient(180deg,transparent,rgba(10,30,26,.4),transparent)}
.roadside-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.roadside-people{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.roadside-people figure{
  margin:0;padding:16px 10px 12px;text-align:center;
  border:1px solid var(--line-soft);border-radius:18px;background:rgba(5,16,26,.6);
}
.roadside-people figure:nth-child(4){grid-column:1/2}
.roadside-people img{width:100%;aspect-ratio:1;object-fit:contain;filter:drop-shadow(0 10px 12px rgba(0,0,0,.5))}
.roadside-people figcaption{margin-top:8px;color:var(--mist-2);font-size:11px;line-height:1.55}

/* ---- 季節 ---- */
.season{background:radial-gradient(circle at 50% 40%,rgba(200,120,60,.16),transparent 44%)}
.season-note{margin:24px 0 0;color:var(--mist-2);font-size:13px}

/* ---- チーム ---- */
.team-name{margin:28px 0 0}
.team-name a{
  display:inline-block;padding:18px 34px;
  border:1px solid var(--line);border-radius:18px;background:rgba(6,20,32,.6);
  color:var(--cream);font-family:var(--serif);font-weight:800;
  font-size:clamp(19px,3.2vw,26px);text-decoration:none;
  transition:border-color .2s,transform .2s;
}
.team-name a:hover{border-color:var(--gold);color:var(--gold-hi);transform:translateY(-2px)}

.request{
  margin-top:22px;padding:clamp(28px,5vw,46px);
  border:1px solid var(--line);border-radius:24px;
  background:radial-gradient(circle at 88% 12%,rgba(246,191,75,.14),transparent 36%),
             linear-gradient(150deg,#12333f,#081824 66%);
}
.request h3{color:var(--gold-hi);font-size:clamp(21px,3.2vw,29px)}
.request p{margin-top:12px;max-width:62ch;color:var(--mist);font-size:14.5px}
.text-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  color:var(--gold-hi);font-weight:900;text-decoration:none;font-size:14.5px;
}
.text-link:hover{text-decoration:underline}

/* ---- FAQ ---- */
.faq-list{display:grid;gap:10px;margin-top:40px}
.faq-list details{
  border:1px solid var(--line-soft);border-radius:16px;
  background:rgba(6,20,32,.6);overflow:hidden;
  transition:border-color .2s;
}
.faq-list details[open]{border-color:var(--line)}
.faq-list summary{
  display:flex;align-items:center;gap:12px;
  padding:20px 22px;cursor:pointer;list-style:none;
  color:var(--cream);font-family:var(--serif);font-weight:700;
  font-size:clamp(15px,2.2vw,18px);line-height:1.6;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:before{
  content:"Q";flex:none;
  width:26px;height:26px;display:grid;place-items:center;
  border:1px solid var(--gold);border-radius:50%;
  color:var(--gold);font-family:var(--dot);font-size:12px;font-weight:400;
}
.faq-list summary:after{
  content:"";flex:none;margin-left:auto;
  width:9px;height:9px;border-right:2px solid var(--mist-2);border-bottom:2px solid var(--mist-2);
  transform:rotate(45deg) translateY(-2px);transition:transform .2s;
}
.faq-list details[open] summary:after{transform:rotate(-135deg) translateY(-2px)}
.faq-list summary:hover{color:var(--gold-hi)}
.faq-list p{
  margin:0;padding:0 22px 22px 60px;
  color:var(--mist);font-size:14.5px;line-height:1.95;
}
.faq-list p a{color:var(--gold-hi)}

/* ---- final ---- */
.final{padding-bottom:clamp(96px,13vw,170px)}
.final-sub{margin:20px 0 0;color:var(--mist-2);font-size:12.5px}

/* ===================== footer ===================== */
footer{
  padding:34px 0 calc(34px + env(safe-area-inset-bottom));
  border-top:1px solid rgba(255,255,255,.07);color:#7b8f99;font-size:12px;
}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{text-decoration:none}
.footer-links a:hover{color:var(--gold-hi)}
.mobile-cta{display:none}

/* ===================== スクロールで現れる ===================== */
/* 対応ブラウザだけの上乗せ。非対応では最初から見えている。 */
@supports (animation-timeline:view()){
  @media(prefers-reduced-motion:no-preference){
    .reveal{
      animation:rise linear both;
      animation-timeline:view();
      animation-range:entry 8% cover 26%;
    }
    @keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
  }
}

/* ===================== responsive ===================== */
@media(max-width:900px){
  .steps,.origins{grid-template-columns:1fr}
  .dex-head,.roadside-inner{grid-template-columns:1fr;gap:38px}
  .origin p{text-align:center}
  .roadside-people{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:680px){
  .wrap,.wrap.narrow{width:min(100% - 28px,1120px)}
  .sp{display:inline}
  .nav{height:56px}
  .nav-links a:not(.nav-play){display:none}
  .nav-play{padding:8px 16px;font-size:12.5px}
  .hero{min-height:96svh;padding-top:78px}
  .hero-art img{object-position:50% 28%}
  .tagline{padding:8px 16px}
  .hero-cta{flex-direction:column;align-items:stretch;gap:10px;margin-top:28px}
  .hero-cta .cta{width:100%}
  .strip-track img{height:70px}
  .strip-track{gap:18px}
  .strip-wide{margin-top:44px}
  .section{padding:64px 0}
  .faq-list summary{padding:16px;gap:10px}
  .faq-list p{padding:0 16px 18px}
  .step{padding:26px 22px 24px}
  .step:after{font-size:88px;bottom:-20px}
  .dex-stats div{padding:22px 10px}
  .origin{padding:0 22px 26px}
  .roadside-people{grid-template-columns:1fr 1fr;gap:10px}
  .roadside-people figure:nth-child(4){grid-column:auto}
  .footer-inner{justify-content:center;text-align:center}
  footer{padding-bottom:calc(94px + env(safe-area-inset-bottom))}
  .mobile-cta{
    position:fixed;z-index:99;left:12px;right:12px;bottom:calc(10px + env(safe-area-inset-bottom));
    display:flex;min-height:52px;align-items:center;justify-content:center;
    color:#180f02;text-decoration:none;
    background:linear-gradient(135deg,#fff0ad,#eab63c);
    border:1px solid #fff4c0;border-radius:999px;
    font-size:15px;font-weight:900;box-shadow:0 12px 40px rgba(0,0,0,.55);
  }
}

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

/* バージョン表記から、更新のあゆみへ */
.hero-meta a{color:#ffe79b;text-decoration:none;border-bottom:1px solid rgba(255,231,155,.35)}
.hero-meta a:hover{color:#fff7df;border-bottom-color:#fff7df}

/* ─────────────────────────────────────────────
   楽しみかた
   クリアも順位もないゲームなので、
   「何を目的にするか」を先に見せる。
   ───────────────────────────────────────────── */
.section.goals{background:linear-gradient(180deg,rgba(6,20,32,.55),transparent)}
.goal-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:14px;margin-top:30px;
}
.goal-card{
  position:relative;display:flex;flex-direction:column;
  padding:22px 22px 20px;
  border:1px solid rgba(255,224,137,.14);border-radius:16px;
  background:rgba(4,17,27,.6);
}
.goal-card.is-big{
  grid-column:span 1;
  border-color:rgba(255,224,137,.34);
  background:linear-gradient(150deg,rgba(46,38,14,.4),rgba(4,17,27,.66));
}
.goal-no{
  font-family:var(--dot);font-size:12px;letter-spacing:.14em;
  color:#f3c45a;opacity:.75;
}
.goal-card h3{margin:8px 0 0;font-size:19px;line-height:1.5;color:#fff7df}
.goal-card p{margin:9px 0 0;font-size:14px;line-height:1.95;color:#b9cad3}
.goal-card a{
  margin-top:14px;align-self:flex-start;
  color:#ffe79b;font-size:13.5px;font-weight:800;text-decoration:none;
  border-bottom:1px solid rgba(255,231,155,.4);
}
.goal-card a:hover{color:#fff7df;border-bottom-color:#fff7df}

.goals-note{
  margin:22px 0 0;padding:15px 18px;
  border:1px solid rgba(255,224,137,.12);border-radius:12px;
  background:rgba(4,17,27,.5);
  color:#8ba0ab;font-size:13px;line-height:1.9;
}

@media (max-width:700px){
  .goal-grid{grid-template-columns:1fr;gap:11px}
  .goal-card{padding:18px 18px 16px}
  .goal-card h3{font-size:17px}
}