/* KDSトレーディングカードゲーム ランディングページ
   色は学校のロゴ（赤・橙・黄・緑・青）と、ゲームの夜空の紺。暗い帯と明るい帯を交互に並べる */
:root{
  --navy:#0b1230; --navy2:#141c3a; --ink:#16203f; --paper:#f7f5ef; --white:#ffffff;
  --red:#e5393a; --orange:#f39c12; --yellow:#ffd84d; --green:#7cb342; --blue:#1e88e5; --gold:#ffc850;
  --mute:#5b6480; --mute-d:#b9c2df;
  --display:"M PLUS Rounded 1c","Hiragino Maru Gothic ProN","Noto Sans JP",sans-serif;
  --body:"Noto Sans JP","Hiragino Sans","Yu Gothic",sans-serif;
  --gutter:max(16px, env(safe-area-inset-left, 0px));
  --gutter-r:max(16px, env(safe-area-inset-right, 0px));
  color-scheme: light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--display);line-height:1.25;text-wrap:balance;margin:0}
h2{font-size:clamp(28px,4.4vw,48px);font-weight:900;margin-bottom:12px}
h3{font-size:20px;font-weight:800}
.eyebrow{font-family:var(--display);font-weight:800;font-size:14px;letter-spacing:.12em;color:var(--orange);margin:0 0 8px}
.sub{color:var(--mute);max-width:52ch;margin:0 0 24px}
.dark .sub,.dark .note{color:var(--mute-d)}
.note{font-size:13.5px;color:var(--mute);margin:10px 0 0}
.center{text-align:center}.center .sub{margin-inline:auto}
.inner{max-width:1160px;margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter-r);position:relative;z-index:2}
.inner.narrow{max-width:760px}

/* ボタン */
.btn{display:inline-flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:900;
  border:0;border-radius:999px;padding:14px 28px;font-size:18px;cursor:pointer;text-decoration:none;
  background:linear-gradient(180deg,#ff5a4f,var(--red));color:#fff;box-shadow:0 6px 0 #a3201f,0 12px 24px rgba(0,0,0,.25);
  transition:transform .12s ease, box-shadow .12s ease}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(3px);box-shadow:0 2px 0 #a3201f,0 6px 14px rgba(0,0,0,.25)}
.btn:focus-visible,.store:focus-visible,.tab:focus-visible,summary:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}
.btn-sm{padding:8px 18px;font-size:15px;box-shadow:0 4px 0 #a3201f}
.btn-big{padding:18px 44px;font-size:22px;margin-top:8px}
.stores{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.stores.big{justify-content:center}
.store{display:flex;flex-direction:column;justify-content:center;min-width:210px;padding:10px 22px;border-radius:14px;
  background:#000;color:#fff;text-decoration:none;font-family:var(--display);font-weight:800;font-size:19px;line-height:1.25;
  border:2px solid rgba(255,255,255,.25);transition:transform .15s ease}
.store small{font-size:12px;font-weight:600;opacity:.8}
.store:hover{transform:translateY(-3px)}

/* 上の帯 */
.top{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;gap:16px;
  padding:calc(8px + env(safe-area-inset-top,0px)) var(--gutter-r) 8px var(--gutter);
  background:rgba(11,18,48,.72);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:#fff}
.brand img{height:46px;width:auto}
.topnav{display:flex;gap:4px;margin-left:auto}
.topnav a{text-decoration:none;font-weight:600;font-size:14px;padding:6px 10px;border-radius:8px}
.topnav a:hover{background:rgba(255,255,255,.12)}

/* 背景の映像 */
.bgvideo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.band{position:relative;padding-block:96px;overflow:hidden}
.band.dark{background:var(--navy);color:#fff}
.band.light{background:var(--paper)}
.band-shade{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(11,18,48,.82),rgba(11,18,48,.55) 40%,rgba(11,18,48,.88))}

/* 1. 最初の画面 */
.hero{position:relative;min-height:min(100svh,920px);display:flex;align-items:center;overflow:hidden;color:#fff;background:var(--navy);
  padding-top:96px;padding-bottom:64px}
.hero-shade{position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(11,18,48,.78),rgba(11,18,48,.25) 60%,rgba(11,18,48,.1)),linear-gradient(180deg,rgba(11,18,48,.35),transparent 30%,transparent 75%,rgba(11,18,48,.7))}
.hero-inner{position:relative;z-index:2;max-width:1200px;margin:0 auto;width:100%;
  padding-left:var(--gutter);padding-right:var(--gutter-r);display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center}
.hero-copy{min-width:0}
.hero h1{font-size:clamp(34px,4.6vw,70px);font-weight:900;letter-spacing:.01em;margin:4px 0 18px}
.hero h1 .line{display:block;white-space:nowrap;animation:rise .8s cubic-bezier(.2,.8,.2,1) both}
.hero h1 .line:nth-child(2){animation-delay:.18s}
.hero h1 .accent{background:linear-gradient(90deg,var(--yellow),var(--orange),var(--red));-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 4px 12px rgba(0,0,0,.35))}
.hero .lead{font-size:clamp(16px,1.8vw,20px);max-width:34em;margin:0}
.hero .lead strong{color:var(--yellow);font-size:1.25em}
.hero .note{color:var(--mute-d)}
@keyframes rise{from{opacity:.001;transform:translateY(24px)}to{opacity:1;transform:none}}
.hero-stage{position:relative;height:620px;perspective:1200px}
.fan{position:absolute;inset:0;transform-style:preserve-3d;transition:transform .2s ease-out}
.fan-card{position:absolute;width:230px;border-radius:14px;box-shadow:0 20px 50px rgba(0,0,0,.5);top:120px}
.fan-card.c1{left:2%;transform:rotate(-16deg) translateZ(-40px)}
.fan-card.c2{right:2%;transform:rotate(16deg) translateZ(-40px)}
.fan-card.c3{left:50%;top:40px;transform:translateX(-50%) rotate(-4deg) translateZ(-10px);animation:float 5s ease-in-out infinite}
@keyframes float{50%{transform:translateX(-50%) rotate(2deg) translateY(-14px)}}
.phone{position:relative;border-radius:34px;background:#0d0f16;padding:9px;box-shadow:0 24px 60px rgba(0,0,0,.55),inset 0 0 0 2px #3a4052}
.phone video,.phone img{border-radius:26px;width:100%;height:auto}
.hero-phone{position:absolute;width:250px;left:50%;bottom:0;transform:translateX(-50%) translateZ(40px)}
.scroll-hint{position:absolute;z-index:3;left:50%;bottom:16px;transform:translateX(-50%);color:#fff;text-decoration:none;font-size:13px;
  letter-spacing:.2em;opacity:.8;animation:bob 1.8s ease-in-out infinite}
.scroll-hint::after{content:"";display:block;width:12px;height:12px;margin:4px auto 0;border-right:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(45deg)}
@keyframes bob{50%{transform:translate(-50%,6px)}}

/* 2. ガチャ体験 */
.gacha-stage{position:relative;overflow:visible;height:440px;display:grid;place-items:center;perspective:1200px;margin:10px 0}
.gcard{position:relative;width:280px;aspect-ratio:868/1213;transform-style:preserve-3d;transition:transform 1.4s cubic-bezier(.2,.8,.2,1)}
.gcard .face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:16px;overflow:hidden;
  box-shadow:0 0 0 4px rgba(255,255,255,.8),0 0 50px rgba(255,200,80,.55)}
.gcard .face img{width:100%;height:100%;object-fit:cover}
.gcard .front{transform:rotateY(180deg)}
.gcard.shake{animation:shake .5s ease-in-out infinite}
@keyframes shake{25%{transform:rotate(-3deg)}75%{transform:rotate(3deg)}}
#confetti{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:3}
.gacha-result{font-family:var(--display);font-weight:900;font-size:26px;min-height:1.6em;margin:6px 0 14px;color:var(--yellow)}

/* 光るカード（触ると虹色の光が流れる） */
.holo{--mx:50%;--my:50%}
.holo::after,.holo-wrap::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;mix-blend-mode:color-dodge;opacity:.55;
  background:radial-gradient(circle at var(--mx) var(--my),rgba(255,255,255,.7),transparent 35%),
    linear-gradient(115deg,transparent 20%,rgba(255,0,150,.35) 35%,rgba(0,220,255,.35) 50%,rgba(255,240,0,.35) 65%,transparent 80%);
  background-size:100% 100%,250% 250%;background-position:center,var(--mx) var(--my)}
.holo-wrap{position:relative;border-radius:16px;--mx:50%;--my:50%;transition:transform .15s ease-out;transform-style:preserve-3d}
.holo-card{border-radius:16px;width:100%}

/* 3. 魅力 */
.features{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:28px}
.feature{background:#fff;border-radius:22px;padding:18px 18px 22px;box-shadow:0 8px 30px rgba(22,32,63,.08)}
.f-media{height:300px;display:grid;place-items:center;margin-bottom:14px;background:linear-gradient(160deg,#e9eefc,#fdf3df);border-radius:16px;overflow:hidden}
.f-media .holo-wrap{width:190px}
.f-media .phone.small{width:150px}
.feature h3{display:flex;gap:10px;align-items:flex-start;font-size:19px;margin-bottom:8px}
.num{flex:none;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--red);color:#fff;font-size:18px}
.feature:nth-child(2) .num{background:var(--orange)}.feature:nth-child(3) .num{background:var(--green)}.feature:nth-child(4) .num{background:var(--blue)}
.feature p{margin:0;color:var(--mute);font-size:15px}

/* 4. 動画 */
.reel-row{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:24px var(--gutter-r) 12px var(--gutter);
  scrollbar-width:thin;position:relative;z-index:2}
.reel{flex:none;width:230px;scroll-snap-align:start;cursor:pointer;border:0;padding:0;background:none;color:#fff;text-align:left;font:inherit}
.reel .frame{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:9/16;background:#000;box-shadow:0 14px 40px rgba(0,0,0,.45)}
.reel video{width:100%;height:100%;object-fit:cover}
.reel .play{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.6));transition:opacity .2s}
.reel .play::before{content:"";width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.9) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 5v14l11-7z' fill='%230b1230'/%3E%3C/svg%3E") center/34px no-repeat}
.reel.playing .play{opacity:0}
.reel span{display:block;font-weight:800;margin-top:10px;font-size:15px}

/* 5. カード */
.cards-sec{padding-bottom:72px}
.marquee{overflow:hidden;margin:18px 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.track{position:relative;height:210px}
.track img{position:absolute;left:0;top:0;width:150px;height:210px;border-radius:10px;box-shadow:0 6px 18px rgba(0,0,0,.18);will-change:transform}
.tabs{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:30px 0 8px}
.tab{font:inherit;font-weight:800;border:2px solid var(--ink);background:#fff;color:var(--ink);border-radius:999px;padding:8px 20px;cursor:pointer}
.tab.on{background:var(--ink);color:#fff}
.type-note{text-align:center;color:var(--mute);margin:6px 0 18px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:12px}
.grid button{border:0;padding:0;background:none;cursor:pointer;border-radius:10px;transition:transform .15s}
.grid button:hover{transform:translateY(-4px) rotate(-1deg)}
.grid img{width:100%;height:auto;aspect-ratio:868/1213;object-fit:cover;border-radius:10px;box-shadow:0 6px 16px rgba(0,0,0,.15)}

/* 6. じゃんけん */
.jk-board{display:flex;align-items:center;justify-content:center;gap:24px;margin:20px 0 8px}
.jk-side{display:flex;flex-direction:column;align-items:center;gap:6px;width:150px}
.jk-label{font-weight:800;color:var(--mute-d)}
.jk-hand{display:grid;place-items:center;width:130px;height:130px;border-radius:50%;background:rgba(255,255,255,.1);
  border:3px solid rgba(255,255,255,.35);font-family:var(--display);font-weight:900;font-size:40px}
.jk-vs{font-family:var(--display);font-weight:900;font-size:44px;color:var(--yellow)}
.jk-msg{font-family:var(--display);font-weight:900;font-size:26px;min-height:1.5em;margin:6px 0 12px}
.jk-buttons{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.btn.jk{min-width:110px;background:linear-gradient(180deg,#3b9cff,var(--blue));box-shadow:0 6px 0 #0f4f99,0 12px 24px rgba(0,0,0,.25)}
.jk-win{position:relative;width:220px;margin:24px auto 0;animation:pop .5s cubic-bezier(.2,1.5,.4,1)}
.jk-win img{border-radius:14px;box-shadow:0 0 0 4px #fff,0 0 60px rgba(255,200,80,.8)}
.jk-win span{position:absolute;left:50%;top:-18px;transform:translateX(-50%) rotate(-6deg);white-space:nowrap;font-family:var(--display);
  font-weight:900;font-size:34px;color:var(--yellow);-webkit-text-stroke:2px #8a1520;paint-order:stroke}
@keyframes pop{from{transform:scale(.4);opacity:0}}

/* 7. 遊び方 */
.steps{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;counter-reset:s}
.steps li{position:relative;background:#fff;border-radius:22px;padding:22px;text-align:center;box-shadow:0 8px 30px rgba(22,32,63,.08);counter-increment:s}
.steps li::before{content:counter(s);position:absolute;top:-16px;left:50%;transform:translateX(-50%);width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;background:var(--red);color:#fff;font-family:var(--display);font-weight:900;font-size:22px}
.steps .phone.small{width:150px;margin:12px auto 14px}
.steps .iconimg{border-radius:26px}
.manual-link{text-align:center;margin:34px 0 0}
.steps h3{margin-bottom:4px}.steps p{margin:0;color:var(--mute)}

/* 8. 教習生 */
.photo-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:24px}
.photo-grid figure{margin:0;border-radius:18px;overflow:hidden;background:#000;position:relative}
.photo-grid img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .6s ease}
.photo-grid figure:hover img{transform:scale(1.06)}
.photo-grid figcaption{position:absolute;inset:auto 0 0 0;padding:28px 14px 12px;font-weight:800;background:linear-gradient(transparent,rgba(0,0,0,.8))}

/* 9. 質問 */
details{background:#fff;border-radius:16px;margin:10px 0;box-shadow:0 4px 18px rgba(22,32,63,.06)}
summary{cursor:pointer;list-style:none;padding:16px 48px 16px 20px;font-weight:800;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"＋";position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--red);font-size:20px}
details[open] summary::after{content:"－"}
details p{margin:0;padding:0 20px 18px;color:var(--mute)}

/* 10. 最後 */
.final{position:relative;padding-block:110px;color:#fff;overflow:hidden;background:var(--navy)}
.final-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.final-logo{width:min(320px,70%);height:auto;margin:0 auto 18px;filter:drop-shadow(0 8px 20px rgba(0,0,0,.4))}
.qrs{display:flex;justify-content:center;gap:28px;margin-top:28px}
.qrs figure{margin:0;background:#fff;color:var(--ink);border-radius:16px;padding:12px 12px 6px;font-weight:800;font-size:14px}
.qrs img{width:140px;height:140px}

.foot{background:#070b1f;color:var(--mute-d);text-align:center;padding:28px var(--gutter-r) calc(90px + env(safe-area-inset-bottom,0px)) var(--gutter);font-size:14px}
.foot p{margin:4px 0}.foot .small{font-size:11.5px;opacity:.7}

/* スマホの下の帯 */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;align-items:center;gap:10px;
  padding:10px var(--gutter-r) calc(10px + env(safe-area-inset-bottom,0px)) var(--gutter);background:rgba(255,255,255,.96);
  box-shadow:0 -6px 24px rgba(0,0,0,.18);transform:translateY(110%);transition:transform .3s ease}
.sticky-cta.show{transform:none}
.sticky-cta img{border-radius:10px}
.sticky-cta span{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.sticky-cta b{font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sticky-cta small{color:var(--mute);font-size:12px}
.sticky-cta .btn{margin-left:auto;flex:none;white-space:nowrap}

/* カードを大きく見る */
.modal{position:fixed;inset:0;z-index:80;background:rgba(5,8,22,.86);display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:24px var(--gutter-r) 24px var(--gutter)}
.modal[hidden]{display:none}
.modal-card{width:min(380px,82vw);perspective:1000px}
.modal-name{color:#fff;font-family:var(--display);font-weight:900;font-size:24px;margin:16px 0 0}
.modal-close{position:absolute;top:calc(14px + env(safe-area-inset-top,0px));right:calc(14px + env(safe-area-inset-right,0px));width:48px;height:48px;border-radius:50%;
  border:0;background:#fff;font-size:26px;cursor:pointer}

/* 画面のはばに合わせて */
@media (max-width:1024px){
  .features{grid-template-columns:repeat(2,minmax(0,1fr))}
  .photo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .topnav{display:none}
  .top .btn{margin-left:auto}
  .hero{min-height:auto;padding-top:88px}
  .hero-inner{grid-template-columns:1fr}
  .hero-stage{height:470px}
  .fan-card{width:170px;top:90px}
  .hero-phone{width:200px}
  .sticky-cta{display:flex}
  .steps{grid-template-columns:1fr}
}
@media (max-width:520px){
  .band{padding-block:72px}
  .features{grid-template-columns:1fr}
  .f-media{height:260px}
  .reel{width:190px}
  .gacha-stage{height:380px}
  .gcard{width:230px}
  .jk-board{gap:10px}.jk-side{width:110px}.jk-hand{width:100px;height:100px;font-size:30px}.jk-vs{font-size:32px}
  .store{min-width:0;flex:1 1 150px;font-size:15px;padding:10px 14px;white-space:nowrap}
  .hero h1{font-size:clamp(26px,8.6vw,40px)}
  .qrs{gap:14px}.qrs img{width:120px;height:120px}
  .grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
  .grid img{border-radius:6px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* ===== 追加のしかけ（2026-10-19） ===== */
/* オープニング */
.opening{position:fixed;inset:0;z-index:100;background:radial-gradient(ellipse at center,#1b2a6b,#05081a 70%);display:flex;flex-direction:column;
  align-items:center;justify-content:center;overflow:hidden;transition:opacity .5s ease}
.opening.out{opacity:0;pointer-events:none}
.op-cards img{position:absolute;width:120px;border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.5);top:-200px;animation:opfall 1.6s cubic-bezier(.3,.7,.3,1) forwards}
@keyframes opfall{to{transform:translateY(var(--y)) rotate(var(--r))}}
.op-logo{position:relative;z-index:2;width:min(380px,70vw);height:auto;opacity:0;transform:scale(.3);animation:oplogo .7s 1.1s cubic-bezier(.2,1.6,.4,1) forwards;
  filter:drop-shadow(0 10px 40px rgba(255,200,80,.6))}
@keyframes oplogo{to{opacity:1;transform:none}}
.op-copy{position:relative;z-index:2;color:#fff;font-family:var(--display);font-weight:900;font-size:clamp(18px,3vw,28px);margin:16px 0 0;opacity:0;animation:rise .6s 1.6s forwards}
.op-skip{position:absolute;right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:3;
  font:inherit;font-weight:800;color:#fff;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.4);border-radius:999px;padding:8px 18px;cursor:pointer}

/* 季節の演出 */
.season{position:fixed;inset:0;width:100%;height:100%;z-index:45;pointer-events:none}

/* 音のボタン */
.sound-toggle{position:fixed;left:calc(14px + env(safe-area-inset-left,0px));bottom:calc(14px + env(safe-area-inset-bottom,0px));z-index:65;
  display:flex;align-items:center;gap:6px;font:inherit;font-weight:800;font-size:14px;color:#fff;background:rgba(11,18,48,.85);
  border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:8px 14px;cursor:pointer;backdrop-filter:blur(6px)}
.sound-toggle .ico{width:18px;height:18px;background:currentColor;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 9v6h4l5 5V4L7 9H3z'/%3E%3Cpath d='M16 8l6 8M22 8l-6 8' stroke='black' stroke-width='2'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 9v6h4l5 5V4L7 9H3z'/%3E%3Cpath d='M16 8l6 8M22 8l-6 8' stroke='black' stroke-width='2'/%3E%3C/svg%3E") center/contain no-repeat}
.sound-toggle[aria-pressed="true"]{background:var(--red)}
.sound-toggle[aria-pressed="true"] .ico{
  -webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 9v6h4l5 5V4L7 9H3z'/%3E%3Cpath d='M15 9a4 4 0 010 6M18 6a8 8 0 010 12' stroke='black' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 9v6h4l5 5V4L7 9H3z'/%3E%3Cpath d='M15 9a4 4 0 010 6M18 6a8 8 0 010 12' stroke='black' stroke-width='2' fill='none'/%3E%3C/svg%3E")}
@media (max-width:860px){.sound-toggle{left:auto;right:calc(12px + env(safe-area-inset-right,0px));bottom:calc(84px + env(safe-area-inset-bottom,0px));width:44px;height:44px;padding:0;justify-content:center}.sound-toggle #soundLabel{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.sound-toggle .ico{width:22px;height:22px}}

/* いま対戦中 */
.live{display:inline-flex;align-items:center;gap:8px;margin:16px 0 0;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.25);font-weight:800;font-size:14px;color:#fff}
.live b{color:var(--yellow);font-size:1.15em}
.live .dot{width:10px;height:10px;border-radius:50%;background:#2fe06b;box-shadow:0 0 0 0 rgba(47,224,107,.7);animation:pulse 1.6s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(47,224,107,0)}100%{box-shadow:0 0 0 0 rgba(47,224,107,0)}}
.center-live{margin-top:20px}

/* 推し診断 */
.shindan{background:radial-gradient(ellipse at 50% 0%,#2a3f9e,var(--navy) 65%)}
.quiz{max-width:640px;margin:10px auto 0;min-height:360px}
.quiz-step{color:var(--mute-d);font-weight:800;margin:0}
.quiz-title{font-size:clamp(22px,3.4vw,30px);margin:6px 0 20px}
.quiz-opts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.quiz-opts button{font:inherit;font-weight:800;font-size:16px;color:var(--ink);background:#fff;border:0;border-radius:16px;padding:18px 14px;cursor:pointer;
  box-shadow:0 5px 0 rgba(0,0,0,.25);transition:transform .12s}
.quiz-opts button:hover{transform:translateY(-3px)}
.quiz-opts button:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}
.quiz-q.enter{animation:rise .35s ease}
.quiz-type{font-family:var(--display);font-weight:900;font-size:24px;color:var(--yellow);margin:0 0 14px}
.quiz-card{width:min(280px,70vw);margin:0 auto;animation:pop .6s cubic-bezier(.2,1.5,.4,1)}
.quiz-name{font-family:var(--display);font-weight:900;font-size:clamp(22px,6.4vw,32px);white-space:nowrap;margin:14px 0 0}
.quiz-hobby{color:var(--mute-d);margin:2px 0 14px}
.quiz-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.btn-ghost{background:transparent;color:#fff;border:2px solid #fff;box-shadow:none}

/* ミニカードバトル */
.mini{background:linear-gradient(180deg,#fdf3df,#f7f5ef)}
.mb-score{display:flex;justify-content:center;align-items:center;gap:22px;font-weight:800;font-size:18px}
.mb-score b{font-size:28px;color:var(--red)}
.mb-round{background:var(--ink);color:#fff;border-radius:999px;padding:4px 14px;font-size:14px}
.mb-field{display:flex;justify-content:center;align-items:center;gap:20px;margin:18px 0 8px;min-height:250px}
.mb-slot{position:relative;width:160px;aspect-ratio:868/1213;border-radius:12px;border:3px dashed #c9cfe0;display:grid;place-items:center;color:var(--mute);font-weight:800}
.mb-slot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:10px;animation:pop .35s cubic-bezier(.2,1.5,.4,1)}
.mb-slot.win img{box-shadow:0 0 0 4px var(--yellow),0 0 40px rgba(255,200,80,.9)}
.mb-slot.lose img{filter:grayscale(.8) brightness(.7)}
.mb-pow{position:absolute;left:50%;bottom:-16px;transform:translateX(-50%);z-index:2;background:var(--red);color:#fff;font-family:var(--display);font-weight:900;
  border-radius:999px;padding:2px 12px;white-space:nowrap}
.mb-vs{font-family:var(--display);font-weight:900;font-size:40px;color:var(--red)}
.mb-vs.hit{animation:shake .4s 2}
.mb-msg{font-family:var(--display);font-weight:900;font-size:22px;min-height:1.5em;margin:18px 0 8px}
.mb-hand{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.mb-hand button{position:relative;width:120px;border:0;padding:0;background:none;cursor:pointer;transition:transform .15s}
.mb-hand button:hover{transform:translateY(-8px) rotate(-2deg)}
.mb-hand button:disabled{opacity:.25;cursor:default;transform:none}
.mb-hand img{width:100%;height:auto;aspect-ratio:868/1213;border-radius:10px;box-shadow:0 8px 20px rgba(0,0,0,.2)}
.mb-hand .mb-pow{bottom:-12px;font-size:13px}
.mb-final{font-family:var(--display);font-weight:900;font-size:30px;margin:10px 0}

/* スクロールで現れる・飛び回る（7） */
.js-reveal .reveal{opacity:0;transform:perspective(900px) translateY(40px) rotateX(18deg);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
.js-reveal .reveal.in{opacity:1;transform:none}
.deco-card{position:absolute;width:150px;height:auto;aspect-ratio:868/1213;border-radius:10px;opacity:.9;z-index:1;pointer-events:none;
  box-shadow:0 14px 30px rgba(0,0,0,.25);transform:rotate(var(--r));will-change:transform}
.features,.steps{position:relative;z-index:2}

@media (max-width:520px){
  .quiz-opts{grid-template-columns:1fr}
  .mb-slot{width:120px}.mb-field{gap:10px;min-height:190px}.mb-vs{font-size:30px}
  .mb-hand button{width:96px}
  .deco-card{width:90px;opacity:.55}
}
@media (prefers-reduced-motion:reduce){.js-reveal .reveal{opacity:1;transform:none}}

/* にぎわいの数字 */
.stats-strip{background:linear-gradient(90deg,#e5393a,#f39c12 50%,#7cb342);color:#fff;padding-block:28px 18px}
.stats-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;text-align:center}
@media (max-width:640px){.stats-row{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:18px}}
.stat{display:flex;flex-direction:column;align-items:center}
.stat-num{font-family:var(--display);font-weight:900;font-size:clamp(20px,3vw,28px);text-shadow:0 2px 8px rgba(0,0,0,.25)}
.stat-num b{font-size:clamp(36px,6vw,64px);margin:0 4px;font-variant-numeric:tabular-nums}
.stat-label{font-weight:800;font-size:14px;opacity:.95}
.stats-note{text-align:center;font-size:12px;opacity:.85;margin:10px 0 0}
.topcard{display:flex;align-items:center;gap:20px;max-width:560px;margin:26px auto 6px;background:#fff;border-radius:20px;padding:16px;
  box-shadow:0 0 0 3px var(--gold),0 10px 30px rgba(22,32,63,.12)}
.topcard img{width:120px;height:auto;aspect-ratio:868/1213;border-radius:10px;flex:none}
.topcard-label{margin:0;font-weight:800;color:var(--orange);font-size:14px}
.topcard-name{margin:2px 0;font-family:var(--display);font-weight:900;font-size:30px}
.topcard-sub{margin:0;color:var(--mute);font-size:13px}
@media (max-width:520px){.stat-label{font-size:12px}.topcard{gap:12px;padding:12px}.topcard img{width:84px}.topcard-label{font-size:12px}.topcard-name{font-size:clamp(18px,5.6vw,24px);white-space:nowrap}.topcard-sub{font-size:12px}}

/* ===== さらに追加（ラッキー・かくれカード・ベストバウト・かくしコマンド・共有） ===== */
.lucky{background:radial-gradient(ellipse at 50% 30%,#fff6d8,#f7f5ef 70%)}
.lucky-card{display:block;width:min(260px,62vw);aspect-ratio:868/1213;margin:6px auto 0;padding:0;border:0;background:none;cursor:pointer;perspective:1000px}
.lc-inner{position:relative;display:block;width:100%;height:100%;transform-style:preserve-3d;transition:transform 1s cubic-bezier(.2,.8,.2,1)}
.lucky-card.open .lc-inner{transform:rotateY(180deg)}
.lc-inner img{position:absolute;inset:0;width:100%;height:100%;border-radius:14px;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  box-shadow:0 0 0 4px #fff,0 0 40px rgba(255,200,80,.6)}
.lc-front{transform:rotateY(180deg)}
.lucky-card:not(.open) .lc-inner{animation:wiggle 2.2s ease-in-out infinite}
@keyframes wiggle{0%,100%{transform:rotate(0)}10%{transform:rotate(-4deg)}20%{transform:rotate(4deg)}30%{transform:rotate(0)}}
.lucky-msg{margin-top:18px;animation:rise .5s ease}
.lucky-name{font-family:var(--display);font-weight:900;font-size:28px;margin:0}
.lucky-word{font-size:17px;max-width:30em;margin:8px auto;color:var(--ink)}
.lucky-item{color:var(--mute);margin:0 0 6px}

/* かくれカード */
.hunt-card{position:absolute;z-index:5;width:46px;height:auto;aspect-ratio:868/1213;border:0;padding:0;background:none;cursor:pointer;
  transform:rotate(var(--r,10deg));transition:transform .2s;filter:drop-shadow(0 4px 8px rgba(0,0,0,.35))}
.hunt-card img{width:100%;height:100%;border-radius:4px}
.hunt-card:hover{transform:rotate(0) scale(1.2)}
.hunt-card.got{animation:huntgot .6s forwards;pointer-events:none}
@keyframes huntgot{50%{transform:scale(1.8) rotate(20deg);opacity:1}100%{transform:scale(.2) translateY(-80px);opacity:0}}
.hunt-hint{font-size:14px;color:var(--yellow);margin:12px 0 0;font-weight:800}
.hunt-pill{position:fixed;top:calc(72px + env(safe-area-inset-top,0px));right:calc(12px + env(safe-area-inset-right,0px));z-index:62;
  display:flex;align-items:center;gap:6px;background:#fff;color:var(--ink);font-weight:800;font-size:14px;border-radius:999px;padding:6px 14px;
  box-shadow:0 4px 14px rgba(0,0,0,.25)}
.hunt-pill b{color:var(--red);font-size:18px}
.hunt-pill.bump{animation:pop .4s}
.hp-ico{width:14px;height:20px;border-radius:3px;background:linear-gradient(135deg,#1e88e5,#e5393a)}
.hunt-done{position:fixed;inset:0;z-index:90;background:rgba(5,8,22,.86);display:grid;place-items:center;padding:20px var(--gutter-r) 20px var(--gutter)}
.hd-box{text-align:center;color:#fff;max-width:420px}
.hd-title{font-family:var(--display);font-weight:900;font-size:44px;color:var(--yellow);margin:0 0 10px;animation:pop .6s cubic-bezier(.2,1.6,.4,1)}
.hd-card{width:min(240px,60vw);margin:0 auto;box-shadow:0 0 60px rgba(255,200,80,.9);border-radius:16px}
.hd-text{margin:14px 0}
.fx-confetti{position:fixed;inset:0;width:100%;height:100%;z-index:95;pointer-events:none}

/* ベストバウト */
.bout{background:radial-gradient(ellipse at 50% 20%,#4a1d2e,var(--navy) 70%)}
.bout-cards{display:flex;justify-content:center;align-items:center;gap:20px;margin:16px 0}
.bout-cards figure{margin:0;width:170px}
.bout-cards img{width:100%;height:auto;aspect-ratio:868/1213;border-radius:12px}
.bout-win img{box-shadow:0 0 0 4px var(--yellow),0 0 50px rgba(255,200,80,.8)}
.bout-lose img{filter:grayscale(.7) brightness(.7)}
.bout-cards figcaption{font-weight:800;margin-top:8px;font-size:14px}
.bout-vs{display:flex;flex-direction:column;align-items:center;font-family:var(--display);font-weight:900}
.bout-vs span{font-size:44px;color:var(--yellow);line-height:1}
.bout-vs b{font-size:26px;color:#fff;margin:4px 0}
.bout-vs small{font-size:12px;color:var(--mute-d);margin-top:6px}
.bout-stats{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:10px}
.bout-stats div{background:rgba(255,255,255,.1);border-radius:14px;padding:10px 16px;min-width:120px}
.bout-stats b{display:block;font-family:var(--display);font-size:32px;color:var(--yellow)}
.bout-stats span{font-size:13px;color:var(--mute-d)}
.bout-mvp{font-weight:800;margin:16px 0 0;color:var(--yellow)}

/* かくしコマンド（ロゴを5回） */
.secret-flash{position:fixed;inset:0;z-index:96;pointer-events:none;
  background:radial-gradient(circle at 50% 50%,rgba(255,230,140,.95),rgba(255,180,40,.5) 40%,transparent 70%);animation:secret 1.6s ease forwards}
@keyframes secret{0%{opacity:0}15%{opacity:1}100%{opacity:0}}
body.golden img[src*="assets/cards/"]{filter:sepia(.5) saturate(1.8) brightness(1.08) drop-shadow(0 0 12px rgba(255,200,80,.9));transition:filter .4s}
.secret-msg{position:fixed;left:50%;top:40%;z-index:97;transform:translate(-50%,-50%);font-family:var(--display);font-weight:900;font-size:clamp(22px,6.4vw,56px);white-space:nowrap;
  color:#fff;-webkit-text-stroke:3px #a35a00;paint-order:stroke;text-align:center;pointer-events:none;animation:pop .6s cubic-bezier(.2,1.6,.4,1),fadeout 3.5s 1s forwards}
@keyframes fadeout{to{opacity:0}}

/* 共有ボタン */
.share{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:14px 0 4px}
.share a,.share button{display:inline-flex;align-items:center;gap:6px;font:inherit;font-weight:800;font-size:14px;text-decoration:none;border:0;
  border-radius:999px;padding:8px 14px;cursor:pointer;color:#fff}
.share .s-line{background:#06c755}.share .s-x{background:#111}.share .s-fb{background:#1877f2}.share .s-more{background:#6b7280}
.share .s-copy{background:#fff;color:var(--ink);border:2px solid var(--ink)}
@media (max-width:520px){.bout-cards figure{width:120px}.bout-vs span{font-size:32px}}

/* ===== 生成AIの映像と絵（A〜J） ===== */
.op-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.9}
.f-media.photo{padding:0;background:#000}
.f-media.photo img{width:100%;height:100%;object-fit:cover}
.btn.jk{gap:8px}
.btn.jk img{width:34px;height:34px;object-fit:contain;filter:drop-shadow(0 2px 2px rgba(0,0,0,.3))}
.jk-hand img{width:78%;height:78%;object-fit:contain;animation:pop .35s cubic-bezier(.2,1.5,.4,1)}
.jk-hand.cpu img{transform:scaleX(-1)}
.band.lucky{background:#140b10 url("assets/img/lucky_bg.jpg") center/cover no-repeat;color:#fff;position:relative}
.lucky::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,6,20,.55),rgba(10,6,20,.12) 45%,rgba(10,6,20,.6))}
.lucky .sub,.lucky .lucky-item{color:var(--mute-d)}
.lucky .lucky-word{color:#fff}
.lucky-card.open .lc-inner img{box-shadow:0 0 0 4px #fff,0 0 80px rgba(255,210,100,.95)}
.photo-grid video{width:100%;aspect-ratio:3/4;object-fit:cover;display:block;transition:transform .6s ease}
.photo-grid figure:hover video{transform:scale(1.06)}

@media (max-width:860px){.hero-shade{background:linear-gradient(180deg,rgba(11,18,48,.72),rgba(11,18,48,.45) 55%,rgba(11,18,48,.2) 80%,rgba(11,18,48,.6))}}

/* ===== 第3弾の素材（2026-10-28） ===== */
/* 導入のカード：カードの絵の枠の中だけ動く（画面に見えているときだけ読み込む） */
.fan-card img{width:100%;display:block;border-radius:inherit}
.fan-card .alive{position:absolute;left:4.84%;top:12.61%;width:90.32%;height:54%;object-fit:cover;opacity:0;transition:opacity .6s;pointer-events:none}
.fan-card .alive.on{opacity:1}
/* 遊びの広がり */
.more{background:radial-gradient(ellipse at 30% 0%,#22306e,var(--navy) 65%)}
.more-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:8px}
.more-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:18px;overflow:hidden;display:flex;flex-direction:column}
.more-card.wide{grid-column:1/-1;flex-direction:row}
.more-card.wide .mc-media{flex:0 0 58%;aspect-ratio:1376/768}
.mc-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0d1533}
.mc-media img{width:100%;height:100%;object-fit:cover;display:block}
.mc-media.map img{object-fit:cover;object-position:50% 20%}
.mc-media.medals{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;padding:14px;place-items:center}
.mc-media.medals img{width:100%;max-width:84px;height:auto;object-fit:contain;filter:drop-shadow(0 4px 8px rgba(0,0,0,.45))}
.mc-body{padding:18px 20px 22px}
.mc-body h3{font-size:20px;font-weight:900;margin-bottom:6px;color:var(--yellow)}
.mc-body p{color:#d6dcf2;font-size:15px;line-height:1.7;margin:0}
@media (max-width:720px){
  .more-grid{grid-template-columns:1fr}
  .more-card.wide{flex-direction:column}
  .more-card.wide .mc-media{flex:none}
}
/* ガチャ：引いた瞬間のパック開封の映像 */
.gpack{position:absolute;left:50%;top:50%;height:100%;transform:translate(-50%,-50%);border-radius:18px;z-index:3;opacity:0;pointer-events:none;
  transition:opacity .3s;box-shadow:0 0 50px rgba(255,200,80,.5)}
.gpack.on{opacity:1}
/* 推し診断の結果：記念写真の背景 */
.quiz-result{position:relative}
.quiz-photo{position:absolute;left:50%;top:40px;width:min(420px,92vw);aspect-ratio:896/1200;transform:translateX(-50%);border-radius:20px;overflow:hidden;z-index:0;
  box-shadow:0 20px 50px rgba(0,0,0,.45)}
.quiz-photo img{width:100%;height:100%;object-fit:cover;opacity:.85}
.quiz-result>*:not(.quiz-photo){position:relative;z-index:1}
/* 最強に挑戦 */
.challenge{padding-block:120px}
.challenge-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.challenge h2{color:var(--yellow)}
/* かくれメダル */
.medal-toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);z-index:60;display:flex;align-items:center;gap:14px;
  background:#16203f;color:#fff;border:2px solid var(--gold);border-radius:18px;padding:12px 44px 12px 14px;box-shadow:0 14px 40px rgba(0,0,0,.45);
  animation:toastin .6s cubic-bezier(.2,1.5,.4,1);max-width:calc(100vw - 32px)}
@keyframes toastin{from{transform:translate(-50%,40px);opacity:0}}
.medal-toast img{width:72px;height:72px;object-fit:contain;flex:0 0 auto}
.medal-toast b{display:block;color:var(--yellow);font-size:17px}
.medal-toast span{font-size:13px;color:#d6dcf2;line-height:1.5}
.medal-toast button{position:absolute;right:8px;top:6px;background:none;border:0;color:#fff;font-size:22px;cursor:pointer}
.quiz-result .quiz-type,.quiz-result .quiz-name,.quiz-result .quiz-hobby{text-shadow:0 2px 10px rgba(0,0,0,.95),0 0 3px rgba(0,0,0,.9)}
.quiz-result .quiz-hobby{color:#fff}
/* ===== カード自動車学校（2026-10-30） ===== */
.school{background:radial-gradient(ellipse at 70% 0%,#1c2f6b,var(--navy) 62%)}
.school .eyebrow{color:var(--gold)}
.school-flow{list-style:none;padding:0;margin:4px 0 34px;display:flex;flex-wrap:wrap;gap:8px 6px;align-items:center}
.school-flow li{font-family:var(--display);font-weight:800;font-size:15px;color:#fff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:6px 14px;line-height:1.3;display:flex;align-items:baseline;gap:6px}
.school-flow li small{font-size:12px;color:var(--mute-d);font-weight:700}
.school-flow li:not(:last-child)::after{content:"›";color:var(--gold);margin-left:8px;font-size:18px}
.school-flow li.exam{border-color:var(--gold);color:var(--gold)}
.school-flow li.goal{background:var(--gold);color:var(--navy);border-color:var(--gold)}
.school-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.school-shot{margin:0}
.school-shot .phone{max-width:230px;margin:0 auto 14px}
.school-shot figcaption{color:#d6dcf2;font-size:14.5px;line-height:1.7}
.school-shot figcaption b{display:block;font-family:var(--display);font-size:18px;color:var(--yellow);margin-bottom:4px}
@media (max-width:1024px){.school-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 24px}}
@media (max-width:520px){
  .school-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 14px}
  .school-shot .phone{max-width:100%;border-radius:24px;padding:6px}
  .school-shot .phone img{border-radius:19px}
  .school-shot figcaption{font-size:13px;line-height:1.6}
  .school-shot figcaption b{font-size:15.5px}
  .school-flow li{font-size:13.5px;padding:5px 11px}
}