/* bottlecube.games — 共通スタイル（手で書く。HTML は src/build.py が生成）
   方針：BC 公式の青（#0070C0→#8DCFFF）を軸に、原宿っぽいポップでかわいい差し色。
   ステッカー（白ふち＋かげ）、ななめ、ティッカー、ドット。 */
:root{
  --blue:#0070c0; --sky:#8dcfff; --aqua:#4dc1e9; --navy:#1f3d58;
  --pink:#ff5fa2; --pink-soft:#ffd3e6;
  --lemon:#ffe14d; --mint:#5be0c0; --lilac:#b79cff; --red:#f23a3c; --orange:#ff9f2e;
  --paper:#fff; --cream:#fffaf2;
  --ink:#1f3d58;
  --ink-soft:#4b6276;
  --r:26px;
  --sticker:0 0 0 4px #fff, 0 10px 0 4px var(--ink);
  --font-pop:"Dela Gothic One","Poppins",system-ui,sans-serif;
  --font-latin:"Poppins","M PLUS Rounded 1c",system-ui,sans-serif;
  --font-body:"M PLUS Rounded 1c","Hiragino Maru Gothic ProN",system-ui,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- ヘッダー ---------- */
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:3px solid var(--ink)}
.site-header .wrap{display:flex;align-items:center;gap:16px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img.bc{height:28px;width:auto}
.brand .games{font-family:var(--font-latin);font-weight:800;font-size:15px;color:#fff;background:var(--pink);padding:2px 12px;border-radius:999px;transform:rotate(-6deg);box-shadow:0 3px 0 var(--ink);border:2px solid var(--ink)}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav a{text-decoration:none;font-weight:800;padding:6px 14px;border-radius:999px;font-size:15px;transition:background .15s}
.nav a:hover,.nav a[aria-current=page]{background:var(--lemon)}
.lang{position:relative}
.lang summary{list-style:none;cursor:pointer;border:2.5px solid var(--ink);border-radius:999px;padding:4px 14px;font-weight:800;font-size:14px;background:var(--paper);box-shadow:0 3px 0 var(--ink)}
.lang summary::-webkit-details-marker{display:none}
.lang ul{position:absolute;right:0;top:calc(100% + 8px);margin:0;padding:6px;list-style:none;background:var(--paper);border:2.5px solid var(--ink);border-radius:16px;box-shadow:0 5px 0 var(--ink);min-width:150px}
.lang li a{display:block;padding:6px 12px;border-radius:10px;text-decoration:none;font-weight:700}
.lang li a:hover{background:var(--pink-soft)}
.lang li a[aria-current=true]{background:var(--lemon)}
@media (max-width:680px){
  .site-header .wrap{flex-wrap:wrap;padding-top:8px;padding-bottom:8px;gap:6px}
  .brand img.bc{height:24px}
  .nav{margin-left:0;width:100%;justify-content:space-between}
  .nav a{padding:4px 8px;font-size:14px}
}

/* ---------- ティッカー ---------- */
.ticker{background:var(--ink);color:#fff;overflow:hidden;border-bottom:3px solid var(--ink);white-space:nowrap}
.ticker .track{display:inline-flex;animation:ticker 32s linear infinite;padding:9px 0}
.ticker span{font-family:var(--font-latin);font-weight:800;font-size:15px;letter-spacing:.08em;padding:0 22px}
.ticker span:nth-child(4n+1){color:var(--lemon)}
.ticker span:nth-child(4n+2){color:var(--sky)}
.ticker span:nth-child(4n+3){color:var(--pink)}
.ticker span:nth-child(4n){color:var(--mint)}
@keyframes ticker{to{transform:translateX(-50%)}}

/* ---------- 部品 ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-pop);font-size:16px;text-decoration:none;color:var(--ink);background:var(--lemon);border:3px solid var(--ink);border-radius:999px;padding:12px 26px;box-shadow:0 5px 0 var(--ink);transition:transform .12s,box-shadow .12s;line-height:1.3;cursor:pointer}
.btn:hover{transform:translateY(-3px) rotate(-1deg);box-shadow:0 8px 0 var(--ink)}
.btn:active{transform:translateY(4px);box-shadow:0 1px 0 var(--ink)}
.btn.pink{background:var(--pink);color:#fff}
.btn.blue{background:var(--blue);color:#fff}
.btn.white{background:#fff}
.btn[aria-disabled=true]{background:#eef2f5;color:#8a9aa8;border-color:#9aaab8;box-shadow:0 5px 0 #9aaab8;pointer-events:none}
.tag{display:inline-block;font-family:var(--font-pop);font-size:13px;padding:3px 14px;border-radius:999px;border:2.5px solid var(--ink);background:#fff;line-height:1.6}
.tag.live{background:var(--red);color:#fff}
.tag.soon{background:var(--lemon)}
.tag.plat{background:var(--sky)}
.ext::after{content:"↗";font-size:.85em;margin-left:3px}
.h-section{font-family:var(--font-pop);font-size:clamp(30px,5vw,54px);line-height:1.15;margin:0 0 8px;letter-spacing:.01em}
.h-kicker{display:inline-block;font-family:var(--font-latin);font-weight:800;font-size:14px;letter-spacing:.18em;color:#fff;background:var(--blue);padding:2px 14px;border-radius:999px;margin-bottom:12px;transform:rotate(-3deg)}
.section{padding:88px 0;position:relative}
.check{background-color:#fff;background-image:conic-gradient(var(--pink-soft) 25%,transparent 0 50%,var(--pink-soft) 0 75%,transparent 0);background-size:40px 40px}

/* ---------- トップ：ヒーロー ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(128deg,var(--blue) 8%,var(--sky) 100%);color:#fff;padding:64px 0 110px}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.22) 2.4px,transparent 2.8px);background-size:26px 26px}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.hero h1{font-family:var(--font-pop);font-size:clamp(42px,7vw,88px);line-height:1.12;margin:0 0 22px;letter-spacing:.01em;text-shadow:0 5px 0 var(--navy);font-weight:400}
.hero h1 .w{display:inline-block}
.hero h1 .w1{color:var(--lemon);transform:rotate(-4deg)}
.hero h1 .w3{color:var(--pink);transform:rotate(3deg)}
.hero .lead{font-size:clamp(16px,1.8vw,19px);font-weight:800;margin:0 0 28px;max-width:30em}
.hero .cta{display:flex;flex-wrap:wrap;gap:14px}
.collage{position:relative;aspect-ratio:1/1;max-width:540px;margin-left:auto;width:100%}
.collage .v{position:absolute;border-radius:22px;overflow:hidden;box-shadow:0 0 0 5px #fff,0 14px 0 5px var(--navy);background:#000}
.collage .v video{width:100%;height:100%;object-fit:cover}
.collage .v1{width:80%;aspect-ratio:16/9;left:0;top:8%;transform:rotate(-5deg)}
.collage .v2{width:76%;aspect-ratio:16/9;right:0;top:46%;transform:rotate(4deg)}
.collage .s{position:absolute;filter:drop-shadow(0 6px 0 rgba(31,61,88,.35))}
.collage .hk{width:30%;left:-4%;bottom:-3%;animation:bob 3s ease-in-out infinite}
.collage .ck{width:22%;right:2%;top:-5%;animation:bob 2.4s ease-in-out infinite .5s}
.collage .star{position:absolute;font-size:46px;line-height:1;color:var(--lemon);text-shadow:0 3px 0 var(--navy);animation:spin 6s linear infinite}
.collage .st1{left:70%;top:0}.collage .st2{left:44%;bottom:3%;color:var(--pink);font-size:36px;animation-duration:8s}
@keyframes bob{0%,100%{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-16px) rotate(3deg)}}
@keyframes spin{to{transform:rotate(360deg)}}
.edge{position:absolute;left:0;right:0;bottom:-1px;height:48px;background:var(--cream);clip-path:polygon(0 60%,5% 30%,10% 60%,15% 30%,20% 60%,25% 30%,30% 60%,35% 30%,40% 60%,45% 30%,50% 60%,55% 30%,60% 60%,65% 30%,70% 60%,75% 30%,80% 60%,85% 30%,90% 60%,95% 30%,100% 60%,100% 100%,0 100%)}
.edge.white{background:#fff}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.collage{margin:20px auto 0;max-width:460px}}

/* ---------- トップ：ゲーム ---------- */
.games-wrap{display:flex;flex-direction:column;gap:80px;margin-top:44px}
.game{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.game.rev{grid-template-columns:.85fr 1.15fr}
.game.rev .media{order:2}
.game .media{position:relative;display:block;border-radius:var(--r);overflow:hidden;box-shadow:var(--sticker);aspect-ratio:16/9;background:#000;transform:rotate(-1.5deg);transition:transform .25s}
.game.rev .media{transform:rotate(1.5deg)}
.game:hover .media{transform:rotate(0) scale(1.01)}
.game .media video{width:100%;height:100%;object-fit:cover}
.game .media .corner{position:absolute;top:14px;left:14px}
.game .info .logo{max-width:340px;margin:0 0 14px}
.game .info .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.game .info h3{font-family:var(--font-pop);font-weight:400;font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin:0 0 10px}
.game .info p{margin:0 0 22px;color:var(--ink-soft);font-weight:700}
.game .strip{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:0 0 22px}
.game .strip video{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;border:3px solid var(--ink)}
.coming{margin-top:80px;text-align:center;padding:36px 20px;border-radius:var(--r);border:3px dashed var(--ink);background:rgba(255,255,255,.75)}
.coming img{width:150px;margin:0 auto 6px;animation:bob 3s ease-in-out infinite}
.coming p{margin:0;font-family:var(--font-pop);font-size:18px}
@media (max-width:860px){
  .game,.game.rev{grid-template-columns:1fr;gap:28px}
  .game.rev .media{order:0}
  .game .info .logo{max-width:260px}
}

/* ---------- トップ：会社紹介 ---------- */
.about{background:linear-gradient(135deg,var(--blue) 8%,var(--sky) 100%);color:#fff;overflow:hidden}
.about::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.18) 2.4px,transparent 2.8px);background-size:26px 26px}
.about .wrap{position:relative;display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:center}
.about .h-kicker{background:var(--pink)}
.about .catch{font-family:var(--font-pop);font-weight:400;font-size:clamp(30px,4.6vw,52px);line-height:1.2;margin:0 0 18px;text-shadow:0 4px 0 var(--navy)}
.about p{font-weight:700;margin:0 0 14px}
.about .facts{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 28px}
.about .facts span{background:#fff;color:var(--ink);border-radius:999px;padding:4px 16px;font-weight:800;font-size:14px;border:2.5px solid var(--ink)}
.about .bc-big{width:280px;margin:0 0 18px;filter:drop-shadow(0 4px 0 var(--navy))}
.about .mascot img{width:100%;max-width:280px;margin:0 auto;animation:bob 3.4s ease-in-out infinite;filter:drop-shadow(0 8px 0 rgba(31,61,88,.4))}
.about .bubble{position:relative;margin-top:22px;background:#fff;color:var(--ink);border:3px solid var(--ink);border-radius:22px;padding:14px 18px;font-size:14px;font-weight:700;box-shadow:0 5px 0 var(--ink)}
.about .bubble::before{content:"";position:absolute;top:-14px;left:50%;width:22px;height:22px;background:#fff;border-left:3px solid var(--ink);border-top:3px solid var(--ink);transform:translateX(-50%) rotate(45deg)}
@media (max-width:860px){.about .wrap{grid-template-columns:1fr}.about .mascot img{max-width:200px}}

/* ---------- ミニメニパニック ---------- */
.mmp-hero{position:relative;overflow:hidden;background:var(--lemon);padding:36px 0 130px;text-align:center}
.mmp-hero .bgv{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35}
.mmp-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(255,225,77,.35),rgba(255,225,77,.9) 78%);pointer-events:none}
.mmp-hero .wrap{position:relative;z-index:2}
.mmp-hero .logo{width:100%;max-width:820px;margin:0 auto;filter:drop-shadow(0 8px 0 rgba(31,61,88,.25));animation:hop 2.8s ease-in-out infinite;transform-origin:50% 100%}
@keyframes hop{0%,70%,100%{transform:translateY(0) scale(1)}78%{transform:translateY(4px) scale(1.03,.97)}86%{transform:translateY(-14px) scale(.99,1.02)}94%{transform:translateY(0) scale(1.02,.98)}}
.mmp-hero .catch{font-family:var(--font-pop);font-weight:400;font-size:clamp(22px,3.4vw,36px);margin:4px 0 16px;text-shadow:0 3px 0 #fff}
.mmp-hero .row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;align-items:center}
.chicks{display:flex;justify-content:center;gap:clamp(4px,2vw,22px);margin:4px 0 12px}
.chick{width:clamp(52px,8vw,90px);aspect-ratio:1;background:url(img/chick-01.png) center/contain no-repeat;animation:squash .9s steps(1) infinite,hop2 .9s ease-in-out infinite}
.chick:nth-child(2){animation-delay:.15s,.15s}.chick:nth-child(3){animation-delay:.3s,.3s}.chick:nth-child(4){animation-delay:.45s,.45s}
@keyframes squash{0%{background-image:url(img/chick-01.png)}33%{background-image:url(img/chick-02.png)}66%{background-image:url(img/chick-03.png)}}
@keyframes hop2{0%,100%{transform:translateY(0)}45%{transform:translateY(-18px)}}
.trailer{max-width:980px;margin:-90px auto 0;position:relative;z-index:3;padding:0 20px}
.trailer .frame{border-radius:var(--r);overflow:hidden;box-shadow:var(--sticker);background:#000}
.trailer video{width:100%;aspect-ratio:16/9}
.story{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.story .txt p{font-weight:700;margin:0 0 12px}
.story .txt .big{font-family:var(--font-pop);font-weight:400;font-size:clamp(22px,2.6vw,30px);line-height:1.45;margin-bottom:16px}
.story .clip{border-radius:var(--r);overflow:hidden;box-shadow:var(--sticker);transform:rotate(2deg)}
.story .clip video{width:100%;aspect-ratio:16/9;object-fit:cover}
@media (max-width:860px){.story{grid-template-columns:1fr}}
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:36px}
.feature{padding:24px 18px;text-align:center;border-radius:var(--r);border:3px solid var(--ink);box-shadow:0 7px 0 var(--ink);transition:transform .2s}
.feature:nth-child(1){background:var(--sky);transform:rotate(-2deg)}
.feature:nth-child(2){background:var(--pink-soft);transform:rotate(1.5deg)}
.feature:nth-child(3){background:#d6fff3;transform:rotate(-1deg)}
.feature:nth-child(4){background:#ece4ff;transform:rotate(2deg)}
.feature:hover{transform:rotate(0) translateY(-4px)}
.feature .num{font-family:var(--font-pop);font-size:44px;line-height:1.1}
.feature h3{font-family:var(--font-pop);font-weight:400;font-size:18px;margin:6px 0}
.feature p{margin:0;font-size:14px;font-weight:700;color:var(--ink-soft)}
@media (max-width:860px){.features{grid-template-columns:repeat(2,1fr)}}
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.shots figure{margin:0;border-radius:18px;overflow:hidden;box-shadow:0 0 0 4px #fff,0 8px 0 4px var(--ink);transition:transform .2s}
.shots figure:nth-child(odd){transform:rotate(-1.5deg)}.shots figure:nth-child(even){transform:rotate(1.5deg)}
.shots figure:hover{transform:rotate(0) scale(1.03)}
.shots img{width:100%;aspect-ratio:16/9;object-fit:cover}
@media (max-width:760px){.shots{grid-template-columns:repeat(2,1fr);gap:14px}}
.partners{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:40px;margin:8px 0 18px}
.partners img{height:66px;width:auto}
.partners img.bc{height:34px}
.credit{text-align:center;font-weight:700;color:var(--ink-soft);font-size:14px;margin:0 0 22px}

/* ---------- 読み物 ---------- */
.page-head{background:linear-gradient(128deg,var(--blue) 8%,var(--sky) 100%);color:#fff;padding:52px 0 96px;position:relative;overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.2) 2.4px,transparent 2.8px);background-size:26px 26px}
.page-head .wrap{position:relative}
.page-head h1{font-family:var(--font-pop);font-weight:400;font-size:clamp(32px,5vw,52px);margin:0 0 8px;line-height:1.2;text-shadow:0 4px 0 var(--navy)}
.page-head p{margin:0;font-weight:700;max-width:40em}
.page-head .mascot{position:absolute;right:20px;top:0;width:140px;animation:bob 3s ease-in-out infinite}
@media (max-width:760px){.page-head .mascot{display:none}}
.toc{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.toc a{font-size:13px;font-weight:800;background:#fff;color:var(--ink);text-decoration:none;padding:2px 12px;border-radius:999px}
.doc{max-width:900px;margin:-56px auto 96px;position:relative;padding:36px clamp(20px,4vw,52px);border-radius:var(--r);border:3px solid var(--ink);box-shadow:0 8px 0 var(--ink);background:#fff}
.doc-wrap{padding:0 20px}
.doc h2{font-family:var(--font-pop);font-weight:400;font-size:21px;margin:38px 0 10px;display:flex;gap:12px;align-items:center}
.doc h2::before{content:"";width:14px;height:14px;border-radius:4px;background:var(--pink);transform:rotate(45deg);flex:none}
.doc h2:first-child{margin-top:0}
.doc h3{font-size:18px;margin:22px 0 6px}
.doc ul{padding-left:1.4em}.doc li{margin:4px 0}
.doc .note{background:var(--pink-soft);border-radius:16px;padding:14px 18px;margin:16px 0;font-weight:700}
.doc a{color:var(--blue);font-weight:700}
.mailbox{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;padding:22px 24px;margin:8px 0 24px;border-radius:20px;background:var(--lemon);border:3px solid var(--ink);box-shadow:0 6px 0 var(--ink)}
.mailbox .addr{font-family:var(--font-latin);font-weight:800;font-size:clamp(17px,2.6vw,24px);word-break:break-all}
.updated{font-size:14px;color:var(--ink-soft);margin-top:32px}

/* ---------- フッター ---------- */
.site-footer{background:var(--navy);color:#fff;padding:56px 0 28px;position:relative}
.site-footer a{color:#fff}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:28px;align-items:flex-start;justify-content:space-between}
.site-footer .bc img{height:38px;width:auto;margin-bottom:10px}
.site-footer .bc span{font-weight:700;font-size:14px;opacity:.9}
.site-footer nav{display:flex;flex-wrap:wrap;gap:8px 22px;font-weight:700;font-size:15px}
.site-footer nav a{text-decoration:none}
.site-footer nav a:hover{color:var(--lemon)}
.site-footer .copy{width:100%;font-size:13px;opacity:.75;border-top:1px solid #ffffff33;padding-top:16px;margin:0}
.site-footer .peek{position:absolute;right:6%;top:-62px;width:86px;animation:bob 3s ease-in-out infinite}

/* ---------- 404 ---------- */
.notfound{text-align:center;padding:80px 20px}
.notfound img{width:220px;margin:0 auto 16px;animation:bob 2.4s ease-in-out infinite}
.notfound h1{font-family:var(--font-pop);font-weight:400;font-size:32px;margin:0 0 8px}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
:focus-visible{outline:3px solid var(--pink);outline-offset:3px;border-radius:6px}

.facts b{margin-right:.45em;opacity:.8}
@media (max-width:520px){.notfound h1{font-size:24px}}