@font-face{font-family:Geist;src:url(fonts/geist-latin.woff2) format('woff2');font-weight:100 900;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Geist;src:url(fonts/geist-latin-ext.woff2) format('woff2');font-weight:100 900;font-display:swap;unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
:root{--night:#0d1424;--night2:#111a2e;--surface:#172036;--line:#26314a;--text:#eef2f8;--muted:#9aa6bd;--live:#53fc18;--red:#ff5a5a;--glow:rgba(120,150,255,.16);
--sans:Geist,'Segoe UI',system-ui,-apple-system,sans-serif;--ja:'Hiragino Sans','Hiragino Kaku Gothic ProN','Yu Gothic UI','Meiryo','Noto Sans JP',var(--sans)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--night);color:var(--text);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
:lang(ja) body,body:lang(ja){font-family:var(--ja);line-height:1.8}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1120px;margin:0 auto;padding-left:24px;padding-right:24px}
:focus-visible{outline:2px solid var(--live);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--live);color:#06210a;padding:8px 14px;border-radius:8px;font-weight:600;z-index:10}
.skip:focus{left:12px}
header.top{display:flex;align-items:center;justify-content:space-between;padding:22px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-.01em;text-decoration:none}
.brand img{width:30px;height:30px}
.langs{position:relative}
.langs summary{list-style:none;cursor:pointer;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:14px;color:var(--muted)}
.langs summary::-webkit-details-marker{display:none}
.langs ul{position:absolute;inset-inline-end:0;top:calc(100% + 6px);margin:0;padding:6px;list-style:none;background:var(--surface);border:1px solid var(--line);border-radius:12px;z-index:5;display:grid;grid-template-columns:repeat(2,minmax(150px,auto));grid-auto-flow:column;grid-template-rows:repeat(7,auto);column-gap:4px}
@media (max-width:480px){.langs ul{grid-template-columns:repeat(2,minmax(0,1fr));width:min(330px,calc(100vw - 32px))}}
.strip,.ninja,.scene{direction:ltr}
[dir=rtl],[dir=rtl] body{overflow-x:clip}
[dir=rtl] .skip{left:auto;right:-999px}
[dir=rtl] .skip:focus{right:12px}
[dir=rtl] .scene .clock-note,[dir=rtl] .scene .toast,[dir=rtl] .toasts{direction:rtl}
[dir=rtl] .strip span{direction:rtl;unicode-bidi:isolate}
:lang(ar) body{line-height:1.75}
:lang(ko) body{line-height:1.75;word-break:keep-all}
:lang(zh-CN) body{line-height:1.75}
.langs a{display:block;padding:7px 12px;border-radius:8px;text-decoration:none;font-size:15px}
.langs a:hover,.langs a[aria-current]{background:var(--line)}
/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:40px 0 96px}
.hero h1{font-size:clamp(38px,5.4vw,64px);line-height:1.04;letter-spacing:-.035em;font-weight:780;margin:0 0 22px;text-wrap:balance}
:lang(ja) .hero h1{letter-spacing:0;line-height:1.25;font-weight:800;word-break:auto-phrase}
.lead{font-size:19px;color:var(--muted);max-width:34em;margin:0 0 32px;text-wrap:pretty}
:lang(ja) .lead{word-break:auto-phrase}
.stores{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.store{display:inline-flex;align-items:center;gap:10px;padding:13px 20px;border-radius:12px;text-decoration:none;font-weight:600;font-size:16px;border:1px solid var(--line);background:var(--surface)}
.store{transition:transform .18s cubic-bezier(.3,1.6,.5,1),box-shadow .18s,border-color .18s}
.store.primary{background:var(--live);color:#052600;border-color:var(--live)}
.store:hover{border-color:var(--muted);transform:translateY(-3px) rotate(-1.2deg)}
.store.primary:hover{box-shadow:0 12px 34px rgba(83,252,24,.35)}
.store:active{transform:translateY(0) scale(.97)}
.store svg{width:20px;height:20px;flex:none}
.soon{color:var(--muted);font-size:14px;margin-top:14px}
.scene{position:relative;aspect-ratio:4/4.1;border-radius:28px;background:radial-gradient(120% 90% at 50% 0%,#1b2a4d 0%,var(--night2) 55%,var(--night) 100%);border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding-top:12%}
.scene::after{content:"";position:absolute;inset:auto -20% -40% -20%;height:70%;background:radial-gradient(closest-side,var(--glow),transparent);pointer-events:none}
.clock{font-size:clamp(92px,13vw,168px);font-weight:200;letter-spacing:-.06em;line-height:1;font-variant-numeric:tabular-nums;color:#dfe6f5}
.clock-note{color:var(--muted);font-size:15px;margin-top:10px}
.toast{position:absolute;left:7%;right:7%;bottom:9%;background:rgba(30,38,58,.92);backdrop-filter:blur(10px);border:1px solid #33405e;border-radius:18px;padding:16px 18px;box-shadow:0 24px 60px rgba(0,0,0,.45)}
.toast .app{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}
.toast .app img{width:16px;height:16px}
.toast .app span{margin-inline-start:auto}
.toast .row{display:flex;gap:12px;align-items:center;margin-top:10px}
.toast .av{width:42px;height:42px;border-radius:50%;background:#5b6cff;display:grid;place-items:center;font-weight:700;flex:none;box-shadow:0 0 0 2px var(--live)}
.toast b{display:block;font-size:16px;line-height:1.35}
.toast small{display:block;color:var(--muted);font-size:14px}
.toast .btns{display:flex;gap:8px;margin-top:12px}
.toast .btns span{flex:1;text-align:center;background:#2a3450;border-radius:9px;padding:8px 0;font-size:14px;font-weight:600}
.live-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--red);margin-inline-end:6px;vertical-align:middle;animation:pulse 1.4s ease-in-out infinite}
@keyframes arrive{from{opacity:0;transform:translateY(28px) scale(.97)}to{opacity:1;transform:none}}
@keyframes pulse{50%{opacity:.25}}
/* features */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:56px 0;border-top:1px solid var(--line)}
.feature:nth-of-type(even) .shot{order:-1}
.feature h2,.section h2{font-size:clamp(28px,3.4vw,40px);line-height:1.12;letter-spacing:-.025em;margin:0 0 16px;font-weight:720}
:lang(ja) .feature h2,:lang(ja) .section h2{letter-spacing:0;line-height:1.35}
.feature p{color:var(--muted);margin:0;max-width:30em}
.shot{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 70px rgba(0,0,0,.45);background:#0f1012}
.section{padding:72px 0;border-top:1px solid var(--line)}
.section .sub{color:var(--muted);max-width:40em;margin:0 0 28px}
.illus{color:var(--muted);font-size:13px;margin-top:10px}
.privacy{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:8px 0 0;padding:0;list-style:none;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.privacy li{padding:22px 20px;border-inline-start:1px solid var(--line);font-weight:560}
.privacy li:first-child{border-inline-start:0}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:620;font-size:19px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--muted);font-weight:300;font-size:24px;line-height:1}
.faq details[open] summary::after{content:"\2212"}
.faq p{color:var(--muted);margin:10px 0 0;max-width:46em}
.guide-link{display:inline-block;margin-top:26px;color:var(--live);text-underline-offset:4px}
.install{text-align:start;padding:80px 0;border-top:1px solid var(--line)}
footer{border-top:1px solid var(--line);padding:28px 0 48px;color:var(--muted);font-size:14px}
footer nav{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:12px}
footer a{text-underline-offset:3px}
/* article pages */
.article{max-width:720px;padding:24px 0 80px}
.article h1{font-size:clamp(32px,4.4vw,48px);line-height:1.1;letter-spacing:-.03em;margin:8px 0 18px}
:lang(ja) .article h1{letter-spacing:0;line-height:1.35}
.article h2{font-size:24px;margin:40px 0 12px;letter-spacing:-.015em}
.article p,.article li{color:#cbd3e2}
.article li{margin:8px 0}
.tbl{overflow-x:auto}
.article table{border-collapse:collapse;width:100%;font-size:15px;margin:16px 0}
.article th,.article td{border:1px solid var(--line);padding:8px 10px;text-align:start;vertical-align:top}
.article code{overflow-wrap:anywhere;background:var(--surface);padding:2px 6px;border-radius:6px;font-size:.9em}
.back{color:var(--muted);text-decoration:none;font-size:15px}
@media (max-width:860px){
 .hero,.feature{grid-template-columns:1fr;gap:36px}
 .feature:nth-of-type(even) .shot{order:0}
 .hero{padding:16px 0 64px}
 .scene{aspect-ratio:auto;padding:44px 0 20px}
 .toast{position:relative;left:auto;right:auto;bottom:auto;margin:28px 16px 0;width:calc(100% - 32px)}
 .privacy{grid-template-columns:1fr 1fr}
 .privacy li:nth-child(3){border-inline-start:0}
 .privacy li:nth-child(n+3){border-top:1px solid var(--line)}
}
@media (max-width:480px){.wrap{padding-left:16px;padding-right:16px}.privacy{grid-template-columns:1fr}.privacy li{border-inline-start:0!important;border-top:1px solid var(--line)}.privacy li:first-child{border-top:0}.store{width:100%;justify-content:center}}
/* ---------- playful layer ---------- */
html,body{overflow-x:clip}
.scene .replay{position:absolute;top:16px;right:16px;z-index:3;font:600 13px/1 var(--sans);color:var(--muted);background:rgba(23,32,54,.8);border:1px solid var(--line);border-radius:999px;padding:8px 13px;cursor:pointer;transition:color .15s,border-color .15s,transform .2s}
.scene .replay:hover{color:var(--text);border-color:var(--muted);transform:rotate(-8deg)}
.scene .replay svg{width:13px;height:13px;vertical-align:-2px;margin-inline-end:5px}
.clock .ss{font-size:.42em;color:var(--muted);letter-spacing:-.02em;margin-inline-start:.04em;vertical-align:.95em}
.zzz{position:absolute;top:13%;right:20%;pointer-events:none;opacity:0;transition:opacity .3s}
.zzz i{position:absolute;font:italic 700 22px/1 var(--sans);color:#8fa3d6;animation:zz 2.4s ease-in infinite;opacity:0}
.zzz i:nth-child(2){animation-delay:.8s;font-size:17px;left:14px}
.zzz i:nth-child(3){animation-delay:1.6s;font-size:13px;left:26px}
@keyframes zz{0%{opacity:0;transform:translate(0,10px)}25%{opacity:1}100%{opacity:0;transform:translate(18px,-46px) rotate(14deg)}}
.scene.sleep .zzz{opacity:1}
.scene.sleep .clock{color:#7f8db0}
.scene.hit .clock{animation:pop .7s cubic-bezier(.3,1.7,.5,1)}
@keyframes pop{0%{transform:scale(1)}35%{transform:scale(1.14);color:#fff;text-shadow:0 0 38px rgba(83,252,24,.65)}100%{transform:scale(1)}}
.js .scene:not(.rang) .toast{opacity:0;transform:translateY(-60px)}
.scene.rang .toast{animation:drop .75s cubic-bezier(.25,1.5,.5,1) both,shake .5s .75s ease-in-out}
@keyframes drop{from{opacity:0;transform:translateY(-140px) rotate(-5deg)}to{opacity:1;transform:none}}
@keyframes shake{20%,60%{transform:rotate(-2.2deg)}40%,80%{transform:rotate(2.2deg)}}
.scene.rang .toast .av{animation:ring 1.1s ease-out .8s 3}
@keyframes ring{0%{box-shadow:0 0 0 2px var(--live),0 0 0 2px rgba(83,252,24,.6)}100%{box-shadow:0 0 0 2px var(--live),0 0 0 18px rgba(83,252,24,0)}}
.scene.rang::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 50% at 50% 30%,rgba(83,252,24,.18),transparent 70%);animation:flash 1.4s ease-out both;pointer-events:none}
@keyframes flash{from{opacity:1}to{opacity:0}}
/* chat strip */
.strip{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(90deg,var(--night),#101a31 50%,var(--night));padding:14px 0;transform:rotate(-1.2deg) scale(1.03);margin:0 0 8px}
.strip.rev{transform:rotate(1deg) scale(1.03)}
.strip .track{display:flex;gap:12px;width:max-content;animation:marq 48s linear infinite}
.strip.rev .track{animation-direction:reverse;animation-duration:56s}
.strip:hover .track{animation-play-state:paused}
.strip span{white-space:nowrap;padding:7px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-weight:600;font-size:15px}
.strip span b{font-weight:700;margin-inline-end:6px}
@keyframes marq{to{transform:translateX(-50%)}}
/* try demo */
.try{padding:72px 0 80px}
.try h2{font-size:clamp(30px,4vw,46px);line-height:1.1;letter-spacing:-.03em;margin:0 0 12px;font-weight:760}
:lang(ja) .try h2{letter-spacing:0;line-height:1.35}
.try .sub{color:var(--muted);max-width:40em;margin:0 0 30px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ch{position:relative;display:flex;gap:14px;align-items:center;padding:18px;border-radius:18px;background:var(--surface);border:1px solid var(--line);transition:border-color .3s,transform .3s,box-shadow .3s}
.ch .av{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:20px;flex:none;filter:grayscale(.85) brightness(.7);transition:filter .4s,box-shadow .4s}
.ch .meta{min-width:0;flex:1}
.ch b{display:block;font-size:17px}
.ch small{display:block;color:var(--muted);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ch .state{display:inline-block;margin-top:6px;font-size:12.5px;font-weight:700;color:var(--muted);letter-spacing:.01em}
.ch.on .state{color:#c9d4ff}
.ch.on .state::after{content:"";display:inline-block;width:1.2em;text-align:start;animation:dots 1.2s steps(4) infinite}
@keyframes dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}
.ch.live{border-color:var(--live);transform:translateY(-4px);box-shadow:0 16px 40px rgba(83,252,24,.16)}
.ch.live .av{filter:none;box-shadow:0 0 0 3px var(--live);animation:ring 1.1s ease-out 2}
.ch.live .state{color:#052600;background:var(--live);padding:2px 8px;border-radius:6px}
.ch.live .state::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--red);margin-inline-end:6px;vertical-align:1px;animation:pulse 1.2s infinite}
.bell{flex:none;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:var(--night2);color:var(--muted);cursor:pointer;display:grid;place-items:center;transition:background .2s,color .2s,transform .15s}
.bell:hover{color:var(--text);transform:scale(1.08)}
.bell svg{width:22px;height:22px}
.bell[aria-pressed=true]{background:var(--live);color:#052600;border-color:var(--live)}
.bell[aria-pressed=true] svg{animation:bellring .9s ease-in-out}
.ch.on .bell svg{animation:bellring .9s ease-in-out infinite}
@keyframes bellring{0%,100%{transform:rotate(0)}15%{transform:rotate(18deg)}30%{transform:rotate(-16deg)}45%{transform:rotate(12deg)}60%{transform:rotate(-8deg)}75%{transform:rotate(4deg)}}
/* chat radar widget */
.radar{background:#0f1526;padding:0;display:flex;flex-direction:column;height:420px}
.radar .rhead{padding:16px 18px;border-bottom:1px solid var(--line);background:var(--surface)}
.radar label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:600}
.radar input{width:100%;font:600 17px/1.2 var(--sans);color:var(--text);background:var(--night);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.radar input:focus{outline:2px solid var(--live);outline-offset:1px;border-color:transparent}
.radar .rhead small{display:block;color:var(--muted);font-size:13px;margin-top:6px}
.radar .rtop{padding:10px 18px;font-size:13px;font-weight:700;color:var(--muted);border-bottom:1px solid var(--line)}
.radar ul{list-style:none;margin:0;padding:8px 10px;flex:1;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}
.radar li{padding:5px 8px;border-radius:8px;font-size:15px;line-height:1.4;animation:msgin .35s ease-out both}
.radar li b{margin-inline-end:6px}
.radar li.hit{background:rgba(83,252,24,.14);box-shadow:inset 3px 0 0 var(--live);animation:msgin .35s ease-out both,hitflash 1s .2s}
@keyframes msgin{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes hitflash{30%{background:rgba(83,252,24,.38)}}
/* toast stack (desktop notifications) */
.toasts{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;flex-direction:column;gap:10px;width:min(370px,calc(100vw - 24px));pointer-events:none}
.ntoast{pointer-events:auto;cursor:pointer;background:rgba(30,38,58,.96);backdrop-filter:blur(10px);border:1px solid #3a4768;border-radius:16px;padding:13px 15px;box-shadow:0 22px 50px rgba(0,0,0,.5);animation:tin .55s cubic-bezier(.25,1.45,.5,1) both}
.ntoast.njt{border-color:var(--red)}
.ntoast.radarhit{border-color:var(--live)}
.ntoast.out{transition:opacity .4s,transform .4s;opacity:0;transform:translateX(50px)}
.ntoast .app{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12.5px}
.ntoast .app img{width:15px;height:15px}
.ntoast .app span{margin-inline-start:auto}
.ntoast .row{display:flex;gap:11px;align-items:center;margin-top:8px}
.ntoast .av{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800;flex:none;box-shadow:0 0 0 2px var(--live)}
.ntoast b{display:block;font-size:15px;line-height:1.35}
.ntoast small{display:block;color:var(--muted);font-size:13.5px;line-height:1.4}
@keyframes tin{from{opacity:0;transform:translateX(110%) rotate(4deg)}to{opacity:1;transform:none}}
/* ninja */
.ninja{position:fixed;left:0;bottom:90px;z-index:55;width:170px;filter:drop-shadow(0 0 1.5px #dfe7ff) drop-shadow(0 8px 18px rgba(0,0,0,.5));pointer-events:none;transform:translateX(-200px);opacity:0}
.ninja.run{animation:dash 1.25s cubic-bezier(.6,.05,.4,.95) forwards}
.ninja .legs{animation:legs .16s linear infinite alternate;transform-origin:60px 70px}
@keyframes dash{0%{opacity:1;transform:translateX(-200px)}100%{opacity:1;transform:translateX(calc(100vw + 60px))}}
@keyframes legs{to{transform:scaleX(-1)}}
.puff{position:fixed;z-index:54;width:16px;height:16px;border-radius:50%;background:#c8d2e8;pointer-events:none;animation:puff .9s ease-out forwards}
@keyframes puff{from{opacity:.55;transform:scale(.5)}to{opacity:0;transform:scale(3.2) translateY(-14px)}}
/* scroll reveal + tilt */
.js .reveal{opacity:0;transform:translateY(60px) rotate(var(--r,-2.5deg)) scale(.94);transition:opacity .7s ease,transform .9s cubic-bezier(.2,1.3,.4,1)}
.js .reveal.in{opacity:1;transform:none}
.js .reveal.in:hover{transform:perspective(1000px) rotateY(var(--ty,-5deg)) rotateX(2deg) translateY(-6px);transition:transform .35s ease}
.feature:nth-of-type(even) .reveal{--r:2.5deg;--ty:5deg}
.privacy li::before{content:"";display:inline-block;width:18px;height:18px;margin-inline-end:10px;vertical-align:-3px;border-radius:50%;background:var(--live) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%23052600' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}
@media (max-width:860px){.cards{grid-template-columns:1fr}.radar{height:380px}.ninja{bottom:140px;width:120px}}
@media (max-width:480px){.toasts{right:12px;left:12px;bottom:12px;width:auto}}
@media (prefers-reduced-motion:reduce){
 *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
 .strip .track{animation:none}.zzz{display:none}.ninja{display:none}
}