/* DIP CHASE 紹介ページ。法的表記の style.css とは別（あちらは生成物）。
   色は docs/15_art_direction.md §2 の CyberColors と揃えてある。 */

:root{
  --void:#05070C;        /* 下地 */
  --panel:#0B1220;       /* 面 */
  --cyan:#3FE0FF;        /* SYSTEMの主色 */
  --bus:#5B73E8;
  --taxi:#F9D054;
  --train:#E06337;
  --magenta:#FF2FB0;     /* 逃走側 */
  --pink:#FF6EC7;
  --alert:#FF3B30;
  --grid:#16243D;
  --fg:#E8F3FA;
  --muted:#8FA5BC;
  --dim:#5A6270;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --sans:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",
         system-ui,-apple-system,sans-serif;
}

*{box-sizing:border-box}
/* βテスト案内はHTML先頭の設定1つで切り替える。余白と操作対象も隠す。 */
html:not([data-beta-visible="true"]) [data-beta-invite]{display:none!important}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--void);color:var(--fg);
  font-family:var(--sans);line-height:1.9;font-size:16px;
  -webkit-text-size-adjust:100%;overflow-x:hidden;
}
/* height属性（480x368 のような指定）が効いたままだと、CSSで幅だけ変えた
   ときに縦が固定されて絵が潰れる。**高さは必ず幅から決める。** */
img{max-width:100%;display:block;height:auto}
a{color:var(--cyan)}

/* 走査線とGRID。背景なので薄く。docs/15 §5 の情報階層 */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;
  background:
    repeating-linear-gradient(0deg,
      rgba(63,224,255,.035) 0 1px, transparent 1px 3px);
  mix-blend-mode:screen;
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;
  background:radial-gradient(120% 80% at 50% 0%,transparent 40%,
    rgba(0,0,0,.75) 100%);
}

.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------------------------------------------------------- 共通の部品 */

.sys{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--cyan);line-height:1.6;
}
.sys--dim{color:var(--dim)}
.sys--mag{color:var(--pink)}

.wrap{max-width:74rem;margin:0 auto;padding:0 1.25rem}

section{position:relative;z-index:2;padding:6.5rem 0}
section + section{border-top:1px solid rgba(63,224,255,.10)}

.head{margin-bottom:3rem}
.head h2{
  font-size:clamp(1.6rem,4.4vw,2.6rem);line-height:1.35;margin:.5rem 0 0;
  font-weight:800;letter-spacing:.02em;
}
.head p{color:var(--muted);margin:.9rem 0 0;max-width:40rem}

/* 角を落とした面。丸めない（docs/15 §2） */
.panel{
  background:linear-gradient(180deg,rgba(11,18,32,.92),rgba(5,7,12,.92));
  border:1px solid rgba(63,224,255,.22);
  clip-path:polygon(14px 0,100% 0,100% calc(100% - 14px),
    calc(100% - 14px) 100%,0 100%,0 14px);
  padding:1.6rem;
}
.panel--mag{border-color:rgba(255,47,176,.30)}

.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.85rem 1.7rem;border:1px solid var(--cyan);color:var(--cyan);
  background:rgba(63,224,255,.07);text-decoration:none;font-weight:700;
  letter-spacing:.04em;
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),
    calc(100% - 10px) 100%,0 100%,0 10px);
  transition:background .2s,color .2s;
}
.btn:hover,.btn:focus-visible{background:var(--cyan);color:#04121a}
.btn--ghost{border-color:rgba(143,165,188,.45);color:var(--muted);
  background:transparent}
.btn--ghost:hover,.btn--ghost:focus-visible{
  background:rgba(143,165,188,.14);color:var(--fg)}
.btn--beta{
  border-color:var(--pink);color:#fff;
  background:linear-gradient(110deg,rgba(255,47,176,.28),rgba(46,123,255,.22));
  box-shadow:0 0 22px rgba(255,47,176,.24),inset 0 0 16px rgba(63,224,255,.08)}
.btn--beta:hover,.btn--beta:focus-visible{
  background:linear-gradient(110deg,var(--magenta),#7947d8);color:#fff}
.btn--beta-large{padding:1rem 2rem;font-size:1.05rem}
.btn[aria-disabled="true"]{
  border-color:rgba(143,165,188,.35);color:var(--dim);
  background:transparent;cursor:default}
.btn[aria-disabled="true"]:hover{background:transparent;color:var(--dim)}

/* -------------------------------------------------------------- 上の帯 */

header.bar{
  position:fixed;top:0;left:0;right:0;z-index:20;
  display:flex;align-items:center;gap:1.25rem;
  padding:.55rem 1.25rem;
  background:rgba(5,7,12,.78);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(63,224,255,.14);
}
header.bar .brand{
  display:flex;align-items:center;gap:.8rem;text-decoration:none;color:var(--fg)}
/* 2段組みのロゴなので、字が読める大きさまで上げる。
   **横を決めて、縦を自動にする。** 逆にすると Safari が、CSSではなく
   img の width 属性（680）を使って並べ、ロゴだけ巨大になる。 */
header.bar .brand img{width:52px;height:auto;flex:0 0 auto}
header.bar .brand span{font-size:.6rem}
@media(max-width:560px){
  header.bar .brand img{width:42px}
  header.bar .brand span{display:none}
}
header.bar nav{display:flex;gap:1.4rem;margin-left:auto}
header.bar nav a{
  color:var(--muted);text-decoration:none;font-size:.85rem;font-weight:600}
header.bar nav a:hover{color:var(--cyan)}
header.bar .btn{padding:.5rem 1.1rem;font-size:.85rem}
@media(max-width:760px){
  header.bar nav{display:none}
  header.bar .btn{margin-left:auto}
}

/* ---------------------------------------------------------------- HERO */

.hero{
  min-height:100svh;display:grid;place-items:center;text-align:center;
  padding:7rem 1.25rem 7rem;overflow:hidden;border-top:none;
}
.hero .grid-art{
  position:absolute;inset:-10%;z-index:0;opacity:.30;
  background:url(/assets/tokyo_grid.svg) center/contain no-repeat;
  animation:drift 64s ease-in-out infinite alternate;
}
.hero .glow{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(42% 34% at 50% 44%,rgba(46,123,255,.30),transparent 70%),
    radial-gradient(30% 26% at 72% 66%,rgba(255,47,176,.16),transparent 70%);
}
/* レーダー掃引。1本だけ、ゆっくり */
.hero .sweep{
  position:absolute;left:50%;top:44%;width:150vmax;height:150vmax;
  transform:translate(-50%,-50%);z-index:0;pointer-events:none;opacity:.35;
  background:conic-gradient(from 0deg,
    rgba(63,224,255,.20) 0deg,transparent 26deg,transparent 360deg);
  animation:spin 14s linear infinite;
}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
@keyframes drift{
  from{transform:scale(1.02) translate(-1%,0)}
  to{transform:scale(1.10) translate(1%,-1.5%)}
}

.hero .inner{position:relative;z-index:3;max-width:52rem}
@media(max-width:600px){
  .hero{padding:5.5rem 1.1rem 6rem}
  .hero .wordmark{width:min(70vw,19rem);margin-top:.6rem}
  .hero .lead{margin-top:1.4rem}
  .hero .cta{margin-top:1.4rem}
  .hero .stores{margin-top:1.8rem}
  .hero .cta .btn{width:100%;justify-content:center}
}
.hero .wordmark{
  width:min(82vw,30rem);margin:1.2rem auto 0;
  filter:drop-shadow(0 0 26px rgba(46,123,255,.45));
}
.hero .lead{
  font-size:clamp(1.5rem,5.6vw,2.7rem);font-weight:800;line-height:1.4;
  margin:2rem 0 0;letter-spacing:.02em;
}
.hero .lead em{font-style:normal;color:var(--pink)}
.hero .sub{color:var(--muted);margin:1rem auto 0;max-width:32rem}
.beta-invite{
  display:flex;flex-direction:column;align-items:center;gap:.22rem;
  width:min(100%,38rem);margin:1.5rem auto 0;padding:1.05rem 1.3rem;
  color:var(--fg);text-decoration:none;
  border:1px solid var(--pink);
  background:linear-gradient(115deg,rgba(255,47,176,.22),rgba(46,123,255,.18));
  box-shadow:0 0 34px rgba(255,47,176,.25),inset 0 0 24px rgba(63,224,255,.08);
  clip-path:polygon(14px 0,100% 0,100% calc(100% - 14px),
    calc(100% - 14px) 100%,0 100%,0 14px);
  transition:transform .2s,background .2s,box-shadow .2s}
.beta-invite .sys{color:var(--pink)}
.beta-invite strong{font-size:clamp(1.25rem,4.6vw,1.8rem);letter-spacing:.04em}
.beta-invite span:last-child{color:var(--muted);font-size:.88rem}
.beta-invite:hover,.beta-invite:focus-visible{
  transform:translateY(-2px);
  background:linear-gradient(115deg,rgba(255,47,176,.34),rgba(46,123,255,.28));
  box-shadow:0 0 42px rgba(255,47,176,.38),inset 0 0 24px rgba(63,224,255,.12)}
.hero .cta{
  display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap;margin-top:2.4rem}
.hero .note{color:var(--dim);font-size:.8rem;margin-top:1rem}

/* 配信日。ヒーローの中で**いちばん先に日付が読める**よう、枠で囲って光らせる */
.hero .release{
  display:inline-flex;align-items:center;flex-wrap:wrap;justify-content:center;
  gap:.35rem .8rem;margin:1.8rem auto 0;padding:.55rem 1.3rem;
  border:1px solid rgba(63,224,255,.55);background:rgba(11,18,32,.7);
  box-shadow:0 0 22px rgba(63,224,255,.22),inset 0 0 14px rgba(63,224,255,.08);
  font-weight:800;font-size:clamp(1rem,3.6vw,1.3rem);line-height:1.5}
.hero .release .sys{font-size:.72rem;letter-spacing:.2em}
.hero .release time{color:var(--cyan);font-size:clamp(1.25rem,5vw,1.75rem);
  text-shadow:0 0 16px rgba(63,224,255,.55)}
.hero .release time small{font-size:.6em;color:var(--muted);font-weight:700}

/* ストアのバッジ。**絵に手を入れない。**大きさだけ変える */
.stores{
  display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap;
  margin-top:2.4rem}
.stores a{display:inline-block;line-height:0;transition:opacity .2s}
.stores a:hover,.stores a:focus-visible{opacity:.82}
.stores img{width:153px;height:auto}
.stores a[aria-disabled="true"]{cursor:default}
@media(max-width:600px){.stores img{width:135px}}
@media(max-width:600px){
  .beta-invite{padding:.9rem .8rem}
  .btn--beta-large{width:100%;justify-content:center;padding:.9rem .8rem}
}

.ticker{
  position:absolute;bottom:0;left:0;right:0;z-index:3;
  border-top:1px solid rgba(63,224,255,.14);
  background:rgba(5,7,12,.6);overflow:hidden;white-space:nowrap;
}
.ticker span{
  display:inline-block;padding:.5rem 0;
  animation:slide 38s linear infinite;
}
.ticker span i{font-style:normal;padding:0 2rem;opacity:.75}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* -------------------------------------------------------------- 数字帯 */

.figures{padding:3.2rem 0}
.figures ul{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(63,224,255,.14);border:1px solid rgba(63,224,255,.14);
}
.figures li{background:var(--void);padding:1.6rem 1rem;text-align:center}
.figures b{
  display:block;font-family:var(--mono);font-size:clamp(1.8rem,5vw,2.8rem);
  font-weight:700;color:var(--cyan);line-height:1.1;letter-spacing:.02em;
}
.figures small{display:block;color:var(--muted);font-size:.8rem;margin-top:.4rem}
@media(max-width:640px){.figures ul{grid-template-columns:repeat(2,1fr)}}

/* ---------------------------------------------------------------- 役割 */

.roles{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
@media(max-width:860px){.roles{grid-template-columns:1fr}}
.role{position:relative;overflow:hidden;padding:0}
.role img{width:100%;aspect-ratio:1/1;object-fit:cover;opacity:.92}
.role .body{padding:1.5rem 1.6rem 1.8rem}
.role h3{margin:.4rem 0 .6rem;font-size:1.5rem;letter-spacing:.06em}
.role p{margin:0;color:var(--muted)}
.role .tag{
  position:absolute;top:1rem;left:1rem;padding:.25rem .7rem;
  background:rgba(5,7,12,.8);border:1px solid currentColor}
.role--dipper h3,.role--dipper .tag{color:var(--pink)}
.role--police h3,.role--police .tag{color:var(--cyan)}
.role ul{margin:1rem 0 0;padding-left:1.1rem;color:var(--muted);font-size:.92rem}

/* -------------------------------------------------------- 手掛かりと券 */

.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
@media(max-width:860px){.cards{grid-template-columns:repeat(2,1fr)}}
.card h4{margin:.6rem 0 .4rem;font-size:1.05rem}
.card p{margin:0;color:var(--muted);font-size:.9rem}
.card .rule{height:3px;width:3.4rem}
.rule--taxi{background:var(--taxi)}
.rule--bus{background:var(--bus)}
.rule--train{background:var(--train)}
.rule--ship{background:repeating-linear-gradient(90deg,
  var(--cyan) 0 5px,transparent 5px 11px)}

/* 公開ターンの帯 */
.turns{margin-top:2.5rem}
.turns .track{
  display:grid;grid-template-columns:repeat(24,1fr);gap:3px;margin-top:.8rem}
.turns .t{height:34px;background:rgba(63,224,255,.10);position:relative}
.turns .t.on{background:linear-gradient(180deg,var(--magenta),#B01F7C)}
.turns .t.on::after{
  content:attr(data-n);position:absolute;left:50%;top:calc(100% + .35rem);
  transform:translateX(-50%);font-family:var(--mono);font-size:.7rem;
  color:var(--pink)}
.turns .legend{
  display:flex;gap:1.4rem;flex-wrap:wrap;color:var(--muted);
  font-size:.85rem;margin-top:2.2rem}

/* ---------------------------------------------------------------- 切札 */

.trumps{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
@media(max-width:760px){.trumps{grid-template-columns:1fr}}
.trump h3{margin:.5rem 0 .6rem;font-size:1.3rem;color:var(--pink);
  letter-spacing:.08em}
.trump p{margin:0;color:var(--muted)}

/* -------------------------------------------------------------- モード */

.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
@media(max-width:860px){.modes{grid-template-columns:1fr}}
.mode h3{margin:.6rem 0 .5rem;font-size:1.2rem}
.mode p{margin:0;color:var(--muted);font-size:.93rem}
.mode .num{
  font-family:var(--mono);color:var(--dim);font-size:.75rem;letter-spacing:.2em}

/* ------------------------------------------------------------------ 駒 */

.strip{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(9.5rem,1fr);
  gap:1rem;overflow-x:auto;padding-bottom:1rem;
  scroll-snap-type:x mandatory;
}
.strip figure{margin:0;scroll-snap-align:start}
.strip img{
  width:100%;aspect-ratio:1/1;object-fit:cover;
  border:1px solid rgba(63,224,255,.18)}
.strip .ssr-piece img{
  object-fit:contain;
  background:radial-gradient(circle at 50% 45%,#18205a 0,#080716 58%,#02030a 100%);
  border:1px solid #b665ff;
  box-shadow:0 0 1.2rem rgba(91,115,232,.28),inset 0 0 1rem rgba(255,83,201,.12)}
.strip .ssr-piece figcaption{color:#d8a7ff}
.strip figcaption{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;
  color:var(--dim);margin-top:.5rem;text-transform:uppercase}

/* ---------------------------------------------------------------- 段位 */

.ranks{display:flex;gap:.6rem;flex-wrap:wrap;align-items:flex-end;
  margin-top:1.5rem}
.ranks figure{margin:0;text-align:center;width:5rem}
.ranks img{width:100%}
.ranks figcaption{font-family:var(--mono);font-size:.7rem;color:var(--dim);
  letter-spacing:.12em}

/* ------------------------------------------------------------ 最後の帯 */

.finale{text-align:center;position:relative;overflow:hidden}
.finale .grid-art{
  position:absolute;inset:-20% -10%;z-index:0;opacity:.16;
  background:url(/assets/tokyo_grid.svg) center/cover no-repeat}
.finale .inner{position:relative;z-index:2}
.finale img.icon{
  width:96px;margin:0 auto 1.5rem;
  border:1px solid rgba(63,224,255,.25)}
.finale h2{font-size:clamp(1.5rem,4.6vw,2.4rem);margin:0 0 1rem;font-weight:800}
.finale .cta{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap;
  margin-top:2rem}

footer.foot{
  position:relative;z-index:2;
  border-top:1px solid rgba(63,224,255,.14);padding:3rem 0 4.5rem;
  color:var(--muted);font-size:.85rem}
footer.foot ul{list-style:none;display:flex;flex-wrap:wrap;gap:1.4rem;
  padding:0;margin:0 0 1.4rem}
footer.foot a{color:var(--muted);text-decoration:none}
footer.foot a:hover{color:var(--cyan);text-decoration:underline}
footer.foot .small{color:var(--dim);font-size:.78rem;line-height:1.8}

/* -------------------------------------------------------- 出てくる動き */

.rise{opacity:0;transform:translateY(18px);
  transition:opacity .7s ease,transform .7s ease}
.rise.in{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero .sweep,.hero .grid-art,.ticker span{animation:none}
  .rise{opacity:1;transform:none;transition:none}
}