/* Whisker — StealthBet Japan. Night lobby: deep purple, cyan accent, pink key. */
:root{
  --wh-bg:#120c24;--wh-bg2:#1a1233;--wh-card:#231a42;--wh-card2:#2e2354;--wh-line:#3f3270;
  --wh-cyan:#0ed4ff;--wh-cyan-d:#7fe6ff;--wh-pink:#ff2d92;--wh-pink-d:#e0147a;
  --wh-ink:#f2effa;--wh-ink2:#bfb7d9;--wh-r:14px;--wh-w:1200px;
  --wh-font:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic UI","YuGothic","Meiryo","Noto Sans JP",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;background:var(--wh-bg) radial-gradient(1100px 420px at 50% -120px,#33206b 0,transparent 70%) no-repeat;color:var(--wh-ink);font-family:var(--wh-font);font-size:16px;line-height:1.95;letter-spacing:.02em;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--wh-cyan-d);text-underline-offset:3px}
a:hover{color:#fff}
.wh-wrap{max-width:var(--wh-w);margin:0 auto;padding:0 16px}
.wh-skip{position:absolute;left:-9999px;top:0}
.wh-skip:focus{left:16px;top:8px;z-index:99;background:#fff;color:#000;padding:6px 12px}

/* top bar */
.wh-top{position:sticky;top:0;z-index:40;background:rgba(18,12,36,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--wh-line)}
.wh-top__row{display:flex;align-items:center;gap:18px;min-height:68px}
.wh-top__logo{flex:0 0 auto;display:flex}
.wh-top__logo img{width:150px;height:auto}
.wh-logotext{font-weight:800;font-size:22px;color:var(--wh-cyan)}
.wh-nav{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
.wh-nav__items{display:flex;gap:2px;list-style:none;margin:0;padding:0}
.wh-nav a{display:block;white-space:nowrap;padding:8px 11px;border-radius:999px;font-size:14px;font-weight:600;color:var(--wh-ink);text-decoration:none}
.wh-nav a:hover{background:var(--wh-card)}
.wh-nav .is-now a{background:var(--wh-card2);color:var(--wh-cyan)}
.wh-top__keys{flex:0 0 auto;display:flex;gap:8px}
.wh-key{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border-radius:10px;font-weight:700;font-size:14px;line-height:1.2;text-decoration:none;white-space:nowrap}
.wh-key--ghost{border:1.5px solid var(--wh-cyan);color:var(--wh-cyan);background:transparent}
.wh-key--ghost:hover{background:rgba(14,212,255,.12);color:var(--wh-cyan)}
.wh-key--pink{background:var(--wh-pink);color:#fff;border:1.5px solid var(--wh-pink)}
.wh-key--pink:hover{background:var(--wh-pink-d);border-color:var(--wh-pink-d);color:#fff}
.wh-key--lg{min-height:54px;padding:0 34px;font-size:16px;box-shadow:0 0 24px rgba(255,45,146,.4)}

/* front page */
.wh-stage{padding-top:18px}
.wh-hero{position:relative;border-radius:var(--wh-r);overflow:hidden;border:1px solid var(--wh-line);background:var(--wh-bg2)}
.wh-hero__track{display:flex;list-style:none;margin:0;padding:0;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}
.wh-hero__track::-webkit-scrollbar{display:none}
.wh-hero__track li{flex:0 0 100%;scroll-snap-align:start}
.wh-hero__track img{width:100%}
.wh-hero__dots{display:flex;justify-content:center;gap:8px;padding:9px 0}
.wh-hero__dots button{width:26px;height:6px;padding:0;border:0;border-radius:6px;background:var(--wh-line);cursor:pointer}
.wh-hero__dots .is-on{background:var(--wh-cyan)}
.wh-deck{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:6px 0 0;padding:0}
.wh-deck div{background:linear-gradient(160deg,var(--wh-card2),var(--wh-card));border:1px solid var(--wh-line);border-radius:var(--wh-r);padding:14px 16px}
.wh-deck dt{font-size:24px;font-weight:800;line-height:1.3;color:var(--wh-cyan)}
.wh-deck dd{margin:4px 0 0;font-size:13px;line-height:1.6;color:var(--wh-ink2)}

/* title */
.wh-title{padding-top:26px;padding-bottom:6px}
.wh-title h1{margin:0;font-size:clamp(24px,3.4vw,36px);line-height:1.45;font-weight:800}
.wh-title--home{padding-top:22px}
.wh-title--lost{padding-top:80px;padding-bottom:90px}
.wh-title--lost p{margin:12px 0 22px;color:var(--wh-ink2)}
.wh-trail{font-size:12px;color:var(--wh-ink2);margin-bottom:6px}
.wh-trail a{color:var(--wh-ink2)}
.wh-meta{display:flex;flex-wrap:wrap;gap:12px;margin:8px 0 0;font-size:12px;color:var(--wh-ink2)}
.wh-meta b{color:var(--wh-cyan);font-weight:700}
.wh-lead{padding-top:14px}
.wh-lead img{width:100%;border-radius:var(--wh-r);border:1px solid var(--wh-line)}
.wh-lead figure{margin:0}
.wh-lead .wh-pic__cap{display:none}

/* page layout */
.wh-page{padding-top:20px;padding-bottom:56px}
.wh-page--rail{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:32px;align-items:start}
.wh-page--rail .wh-text{grid-column:1;grid-row:1}
.wh-rail{grid-column:2;grid-row:1;position:sticky;top:88px;max-height:calc(100vh - 104px);overflow:auto;background:var(--wh-bg2);border:1px solid var(--wh-line);border-radius:var(--wh-r);padding:12px 14px}
.wh-rail summary{font-weight:800;font-size:14px;color:var(--wh-cyan);cursor:pointer;list-style:none}
.wh-rail summary::-webkit-details-marker{display:none}
.wh-rail ol{list-style:none;margin:8px 0 0;padding:0}
.wh-rail a{display:block;padding:6px 8px 6px 10px;border-left:2px solid var(--wh-line);font-size:13px;line-height:1.55;color:var(--wh-ink2);text-decoration:none}
.wh-rail a:hover,.wh-rail a.is-now{color:var(--wh-cyan);border-left-color:var(--wh-cyan)}

/* text */
.wh-text{min-width:0}
.wh-text p{margin:0 0 1.15em}
.wh-text strong{color:#fff}
.wh-open{font-size:17px}
.wh-sec{margin-top:40px}
.wh-sec>h2{position:relative;margin:0 0 16px;padding:0 0 10px 34px;font-size:clamp(20px,2.5vw,26px);line-height:1.5;font-weight:800;border-bottom:1px solid var(--wh-line)}
.wh-sec>h2::before{content:"";position:absolute;left:4px;top:.3em;width:18px;height:24px;background:var(--wh-cyan);clip-path:polygon(60% 0,0 58%,44% 58%,30% 100%,100% 36%,56% 36%)}
.wh-text h3{margin:28px 0 10px;padding-left:12px;border-left:3px solid var(--wh-pink);font-size:18px;line-height:1.55;font-weight:700}
.wh-text ul,.wh-text ol{margin:0 0 1.2em;padding-left:1.4em}
.wh-text li{margin-bottom:.4em}
.wh-text li::marker{color:var(--wh-cyan)}

/* tables */
.wh-table{margin:0 0 1.3em;border:1px solid var(--wh-line);border-radius:var(--wh-r);overflow:hidden;background:var(--wh-bg2)}
.wh-table__scroll{overflow-x:auto}
.wh-table table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.7}
.wh-table th{background:var(--wh-card2);color:var(--wh-cyan);text-align:left;font-weight:700;padding:10px 14px;white-space:nowrap}
.wh-table td{padding:10px 14px;border-top:1px solid var(--wh-line);vertical-align:top}

/* components */
.wh-tip{margin:0 0 1.3em;padding:12px 16px;border-radius:var(--wh-r);background:rgba(14,212,255,.08);border:1px solid rgba(14,212,255,.4)}
.wh-tip p{margin:0}
.wh-tip__tag{color:var(--wh-cyan);font-weight:700}
.wh-path{counter-reset:w;list-style:none;margin:0 0 1.3em;padding:0}
.wh-path li{counter-increment:w;position:relative;margin:0;padding:0 0 16px 48px}
.wh-path li::before{content:counter(w);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--wh-card2);border:1.5px solid var(--wh-cyan);color:var(--wh-cyan);font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;line-height:1}
.wh-path li::after{content:"";position:absolute;left:15px;top:34px;bottom:2px;width:2px;background:var(--wh-line)}
.wh-path li:last-child{padding-bottom:0}
.wh-path li:last-child::after{display:none}
.wh-sheet{margin:0 0 1.3em}
.wh-sheet table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.7;background:var(--wh-bg2);border:1px solid var(--wh-line);border-radius:var(--wh-r);overflow:hidden;display:table}
.wh-sheet th,.wh-sheet td{padding:10px 14px;text-align:left;vertical-align:top;border-top:1px solid var(--wh-line)}
.wh-sheet th{background:var(--wh-card2);color:var(--wh-cyan);font-weight:700;border-top:0}
.wh-versus{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 1.3em}
.wh-versus__half{padding:12px 16px;border-radius:var(--wh-r);background:var(--wh-card);border:1px solid var(--wh-line)}
.wh-versus__half p{margin:0}
.wh-versus__true{border-color:var(--wh-pink)}
.wh-versus__tag{font-size:12px;font-weight:700;color:var(--wh-ink2);margin-bottom:4px!important}
.wh-versus__true .wh-versus__tag{color:#ff8cc4}
.wh-go{display:flex;justify-content:center;margin:0}
.wh-go__one{margin:0}
.factory-cta,.wh-cta{margin:36px 0 0;padding:22px 20px;text-align:center;border-radius:var(--wh-r);background:linear-gradient(120deg,#2b1b5e,#3a1650);border:1px solid var(--wh-line)}
.factory-cta p,.wh-cta p{margin:0 0 14px}

/* images */
.wh-pic{margin:0 0 1.3em}
.wh-pic img{width:100%;border-radius:var(--wh-r);border:1px solid var(--wh-line)}
.wh-pic__cap{margin-top:6px;font-size:12px;line-height:1.6;color:var(--wh-ink2);text-align:center}
.wh-duo{display:flex;gap:20px;align-items:flex-start;margin:0 0 1.2em}
.wh-duo--r{flex-direction:row-reverse}
.wh-duo__art{flex:0 0 42%;max-width:380px}
.wh-duo__art .wh-pic{margin:0}
.wh-duo__art img{max-height:380px;object-fit:contain}
.wh-duo__words{flex:1 1 auto;min-width:0}

/* FAQ */
.wh-qa__list details{margin-bottom:8px;background:var(--wh-card);border:1px solid var(--wh-line);border-radius:var(--wh-r)}
.wh-qa__list summary{padding:12px 44px 12px 16px;font-weight:700;cursor:pointer;list-style:none;position:relative}
.wh-qa__list summary::-webkit-details-marker{display:none}
.wh-qa__list summary::after{content:"+";position:absolute;right:16px;top:9px;font-size:22px;color:var(--wh-cyan)}
.wh-qa__list details[open] summary::after{content:"−"}
.wh-qa__a{padding:0 16px 14px;color:var(--wh-ink2)}
.wh-qa__a p{margin:0}

/* footer */
.wh-foot{border-top:1px solid var(--wh-line);background:#0d0819;padding:36px 0 28px;font-size:14px}
.wh-foot__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.wh-foot__h{margin:0 0 8px;font-weight:800;color:var(--wh-cyan)}
.wh-foot__list{list-style:none;margin:0;padding:0}
.wh-foot__list a{display:block;padding:3px 0;color:var(--wh-ink2);text-decoration:none}
.wh-foot__list a:hover{color:#fff}
.wh-foot__legal{margin-top:26px;padding-top:20px;border-top:1px solid var(--wh-line);font-size:12px;line-height:1.8;color:var(--wh-ink2)}
.wh-foot__legal p{margin:0 0 6px}
.wh-foot__mark{display:inline-block;margin-bottom:10px}
.wh-foot__mark img{width:130px}
.wh-age{display:inline-block;margin-right:8px;padding:0 7px;border:1.5px solid var(--wh-pink);border-radius:6px;color:#fff;font-weight:800;font-size:11px;line-height:1.7}

/* tablet and phone */
@media (max-width:1023px){
  .wh-page--rail{display:block}
  .wh-rail{position:static;max-height:none;margin-bottom:18px}
  .wh-rail summary::after{content:"＋";float:right;color:var(--wh-cyan)}
  .wh-rail details[open] summary::after{content:"－"}
}
@media (max-width:1190px){
  .wh-top__row{flex-wrap:wrap;gap:10px;min-height:0;padding-top:10px;padding-bottom:0}
  .wh-top__keys{margin-left:auto}
  .wh-nav{order:3;flex:0 0 calc(100% + 32px);justify-content:flex-start;overflow-x:auto;scrollbar-width:none;margin:0 -16px;padding:0 16px 6px}
  .wh-nav::-webkit-scrollbar{display:none}
  html{scroll-padding-top:116px}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .wh-top__logo img{width:118px}
  .wh-key{min-height:38px;padding:0 12px;font-size:13px}
  .wh-key--lg{min-height:52px;padding:0 24px;font-size:15px;width:100%}
  .wh-go__one{width:100%}
  .wh-deck{grid-template-columns:1fr 1fr;gap:8px}
  .wh-deck div{padding:10px 12px}
  .wh-deck dt{font-size:19px}
  .wh-versus{grid-template-columns:1fr}
  .wh-duo,.wh-duo--r{flex-direction:column;gap:12px}
  .wh-duo__art{flex:none;width:100%;max-width:none}
  .wh-foot__cols{grid-template-columns:1fr 1fr}
  .wh-table--stack thead{position:absolute;left:-9999px}
  .wh-table--stack table,.wh-table--stack tbody,.wh-table--stack tr,.wh-table--stack td{display:block;width:100%}
  .wh-table--stack tr{padding:6px 0;border-top:1px solid var(--wh-line)}
  .wh-table--stack tr:first-child{border-top:0}
  .wh-table--stack td{display:flex;justify-content:space-between;gap:14px;border:0;padding:5px 14px;text-align:right}
  .wh-table--stack td::before{content:attr(data-label);flex:0 0 42%;text-align:left;color:var(--wh-cyan);font-weight:700}
}