/* Bizアシスタント site mock — shared styles (all pages) */
:root{
  --bg:#060A1E; --bg2:#0B1130; --panel:rgba(18,26,66,.62); --line:rgba(120,160,255,.14); --line2:rgba(120,160,255,.28);
  --text:#E8EEFF; --muted:#93A0C8; --dim:#5D6990;
  --cyan:#00E5FF; --mint:#38F0C0; --violet:#7C5CFF; --magenta:#FF2BD6; --legacy:#6B7280; --warn:#FFB547; --danger:#FF5C7A;
  --grad:linear-gradient(90deg,var(--cyan),var(--violet) 55%,var(--magenta));
  --btn:linear-gradient(95deg,var(--cyan),var(--mint));
  --r:16px; --maxw:1180px;
  --font:Inter,"Noto Sans JP","Noto Sans SC","Yu Gothic UI","Hiragino Kaku Gothic ProN","Microsoft YaHei",Meiryo,system-ui,sans-serif;
  --mono:"JetBrains Mono",Consolas,"Courier New",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.8;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
#stars{position:fixed;inset:0;z-index:0;pointer-events:none}
.grid-bg{position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 70%);opacity:.55}
main,header,footer{position:relative;z-index:1}

/* ── nav ── */
.nav{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(6,10,30,.78);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:22px;height:64px;max-width:1280px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.logo-mark{width:30px;height:30px;border-radius:8px;background:var(--grad);display:grid;place-items:center;box-shadow:0 0 18px rgba(0,229,255,.45);flex:none}
.logo small{display:block;font-size:10px;font-weight:600;color:var(--muted);letter-spacing:.12em;line-height:1}
.links{display:flex;gap:18px;font-size:14px;color:var(--muted);margin-left:6px;white-space:nowrap}
.links a{position:relative;padding:4px 0}
.links a:hover,.links a.active{color:var(--text)}
.links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--grad);border-radius:2px}
.links a.community{color:var(--mint)}
.links a.community::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 8px var(--mint);margin-right:6px;vertical-align:middle}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.gh{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;border:1px solid var(--line2);color:var(--muted)}
.gh:hover{color:var(--text);border-color:var(--cyan)}
.lang{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;font:inherit;font-size:12.5px;color:var(--muted);background:none;border:1px solid var(--line2);border-radius:999px;padding:5px 12px;cursor:pointer}
.lang-btn:hover{color:var(--text)}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:140px;background:#0D1438;border:1px solid var(--line2);border-radius:12px;padding:6px;display:none;box-shadow:0 20px 40px rgba(0,0,0,.4)}
.lang-menu.open{display:block}
.lang-menu button{display:block;width:100%;text-align:left;font:inherit;font-size:14px;color:var(--text);background:none;border:0;border-radius:8px;padding:8px 12px;cursor:pointer}
.lang-menu button:hover,.lang-menu button[aria-current=true]{background:rgba(0,229,255,.12)}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:12px;padding:12px 22px;font-weight:700;font-size:15px;transition:transform .2s,box-shadow .2s;cursor:pointer;border:0;font-family:inherit}
.btn-primary{background:var(--btn);color:#03121A;box-shadow:0 8px 30px rgba(0,229,255,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(0,229,255,.45)}
.btn-ghost{background:rgba(124,92,255,.12);border:1px solid var(--line2);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan)}
.btn-sm{padding:8px 16px;font-size:13px;border-radius:10px}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line2);color:var(--text);border-radius:10px;width:40px;height:36px;font-size:18px}
.mobile-menu{display:none;position:fixed;top:64px;left:0;right:0;z-index:19;background:rgba(6,10,30,.97);border-bottom:1px solid var(--line);padding:12px 16px 20px;max-height:calc(100vh - 64px);overflow:auto}
.mobile-menu a{display:block;padding:12px 4px;border-bottom:1px solid var(--line)}
.mobile-menu .langs{display:flex;gap:8px;padding-top:14px}
.mobile-menu .langs button{flex:1;font:inherit;font-size:14px;color:var(--text);background:rgba(255,255,255,.04);border:1px solid var(--line2);border-radius:10px;padding:8px}
.mobile-menu .langs button[aria-current=true]{border-color:var(--cyan);background:rgba(0,229,255,.12)}
.mobile-menu.open{display:block}

/* ── common ── */
section{padding:110px 0;position:relative}
.band{background:linear-gradient(180deg,transparent,rgba(11,17,48,.6),transparent)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--cyan);text-transform:uppercase}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
h2{font-size:clamp(26px,3.4vw,40px);line-height:1.35;font-weight:900;margin:14px 0 18px;letter-spacing:.01em}
h3{line-height:1.5}
.lead{color:var(--muted);max-width:780px;font-size:17px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:28px;position:relative;overflow:hidden;backdrop-filter:blur(8px)}
.card.glow::after{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:conic-gradient(from var(--a,0deg),transparent 0 70%,var(--cyan) 80%,var(--magenta) 90%,transparent 100%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s;pointer-events:none}
.card.glow:hover::after{opacity:1;animation:spin 3s linear infinite}
@property --a{syntax:"<angle>";initial-value:0deg;inherits:false}
@keyframes spin{to{--a:360deg}}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
.chip{display:inline-block;font-family:var(--mono);font-size:12px;color:var(--cyan);border:1px solid rgba(0,229,255,.35);background:rgba(0,229,255,.06);border-radius:999px;padding:3px 10px}
.tag{display:inline-block;font-size:11.5px;font-weight:700;border-radius:999px;padding:1px 10px;border:1px solid var(--line2);color:var(--muted)}
.tag.ok{color:var(--mint);border-color:rgba(56,240,192,.5)}
.tag.trial{color:var(--warn);border-color:rgba(255,181,71,.5)}
.tag.next{color:var(--dim)}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mt{margin-top:46px}
.muted{color:var(--muted)}
.caption{margin-top:18px;font-size:12px;color:var(--dim);text-align:center}
.ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;background:rgba(0,229,255,.08);border:1px solid rgba(0,229,255,.35);font-size:22px}
.card h3{font-size:18px;margin-bottom:6px}
.card p{color:var(--muted);font-size:14.5px}

/* tables */
.tbl{width:100%;border-collapse:separate;border-spacing:0;font-size:14.5px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:rgba(11,17,48,.55)}
.tbl th{text-align:left;font-size:12.5px;letter-spacing:.06em;color:var(--cyan);background:rgba(0,229,255,.06);padding:12px 16px;border-bottom:1px solid var(--line2)}
.tbl td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top;color:#CDD6F5}
.tbl tr:last-child td{border-bottom:0}
.tbl td:first-child{font-weight:700;color:var(--text);white-space:nowrap}
.tbl code,.prose code{font-family:var(--mono);font-size:.88em;color:var(--mint);background:rgba(56,240,192,.08);padding:1px 6px;border-radius:6px}
.tbl-wrap{overflow-x:auto}

/* page hero (sub pages) */
.page-hero{padding:86px 0 40px}
.page-hero h1{font-size:clamp(32px,4.6vw,54px);line-height:1.25;font-weight:900;margin:18px 0 16px}
.crumb{font-size:13px;color:var(--dim)}
.crumb a:hover{color:var(--text)}

/* chain / steps */
.chain{display:flex;gap:0;align-items:stretch;flex-wrap:nowrap;margin-top:28px}
.chain .st{flex:1;padding:18px 16px;border:1px solid var(--line2);border-radius:14px;background:var(--bg2);position:relative;font-size:14px}
.chain .st b{display:block;font-family:var(--mono);color:var(--cyan);font-size:12px;margin-bottom:4px}
.chain .st.human{border-color:rgba(255,181,71,.6)}
.chain .st.human b{color:var(--warn)}
.chain .ar{width:28px;align-self:center;height:2px;background:linear-gradient(90deg,var(--violet),var(--cyan));position:relative;flex:none}
.chain .ar::after{content:"";position:absolute;right:-1px;top:-4px;border:5px solid transparent;border-left-color:var(--cyan)}

/* hero (top page) */
.hero{padding:96px 0 70px;text-align:center}
.badge{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--mint);border:1px solid rgba(56,240,192,.4);background:rgba(56,240,192,.07);padding:6px 16px;border-radius:999px}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px var(--mint);animation:pulse 1.8s infinite;flex:none}
@keyframes pulse{50%{opacity:.3}}
.hero h1{font-size:clamp(34px,5.6vw,64px);line-height:1.22;font-weight:900;margin:26px 0 22px;letter-spacing:.01em}
.hero h1 .l2{color:var(--cyan);text-shadow:0 0 30px rgba(0,229,255,.35)}
.hero h1 .l3{background:linear-gradient(90deg,var(--violet),var(--magenta));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{max-width:780px;margin:0 auto;color:var(--muted);font-size:17px}
.ctas{display:flex;gap:14px;justify-content:center;margin:34px 0 14px;flex-wrap:wrap}
.hero .note{font-size:13px;color:var(--dim)}
.transform{margin:64px auto 0;display:grid;grid-template-columns:1fr 1.05fr 1fr;align-items:center;max-width:1100px;text-align:left}
.pane{border-radius:18px;border:1px solid var(--line2);background:var(--bg2);padding:18px;min-height:300px;position:relative}
.pane h4{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--dim);margin-bottom:12px;display:flex;justify-content:space-between}
.legacy{filter:saturate(.25);border-color:rgba(107,114,128,.45)}
.legacy table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:12px;color:#A3A9B6}
.legacy th{font-weight:600;text-align:left;color:#8A90A0;border-bottom:1px solid #2B3245;padding:6px 4px}
.legacy td{border-bottom:1px dashed #262C3D;padding:7px 4px}
.legacy .late{color:#C9A05A}
.legacy .wait{margin-top:16px;font-size:12px;color:#8A90A0;display:flex;align-items:center;gap:8px}
.cursor{display:inline-block;width:8px;height:14px;background:#8A90A0;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.bridge{position:relative;height:300px}
.bridge svg{width:100%;height:100%}
.bridge .label{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);text-align:center}
.bridge .core{width:108px;height:108px;border-radius:50%;margin:0 auto;display:grid;place-items:center;background:radial-gradient(circle,rgba(124,92,255,.55),rgba(0,229,255,.12) 60%,transparent 70%);box-shadow:0 0 60px rgba(124,92,255,.55),inset 0 0 30px rgba(0,229,255,.35);border:1px solid rgba(0,229,255,.5);font-family:var(--mono);font-weight:600;font-size:13px;letter-spacing:.06em;animation:breathe 3.2s ease-in-out infinite}
@keyframes breathe{50%{box-shadow:0 0 90px rgba(124,92,255,.85),inset 0 0 40px rgba(0,229,255,.5)}}
.bridge .chips{display:flex;gap:6px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.ai-pane{border-color:rgba(0,229,255,.45);box-shadow:0 0 40px rgba(0,229,255,.12)}
.chat-head{display:flex;align-items:center;gap:10px;padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:12px}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-size:15px;flex:none}
.chat-head b{font-size:14px}.chat-head small{display:block;color:var(--muted);font-size:11px;line-height:1.2}
.msg{background:rgba(255,255,255,.04);border:1px solid var(--line);border-left:3px solid var(--warn);border-radius:10px;padding:10px 12px;font-size:12.5px;line-height:1.65;margin-bottom:10px;opacity:0;transform:translateY(8px);transition:all .6s}
.msg.show,.msg.static{opacity:1;transform:none}
.msg .lab{font-weight:700;color:var(--warn);font-size:12px}
.msg.urgent{border-left-color:var(--danger)}.msg.urgent .lab{color:var(--danger)}
.msg.ok{border-left-color:var(--mint)}.msg.ok .lab{color:var(--mint)}
.msg.info{border-left-color:var(--cyan)}.msg.info .lab{color:var(--cyan)}
.msg.appr{border-left-color:var(--violet)}.msg.appr .lab{color:var(--violet)}
.msg .sig{color:var(--dim);font-size:11px}
.msg .act{display:inline-block;margin-top:6px;font-size:11px;font-weight:700;color:#03121A;background:var(--btn);padding:3px 12px;border-radius:999px}
.typing{display:flex;gap:4px;padding:6px 2px}.typing i{width:6px;height:6px;border-radius:50%;background:var(--cyan);opacity:.5;animation:ty 1.2s infinite}.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes ty{50%{opacity:1;transform:translateY(-3px)}}

.stats{padding:0 0 30px}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{text-align:center;padding:26px 12px;border-top:1px solid var(--line2)}
.stat b{display:block;font-size:46px;font-weight:800;line-height:1.1;font-family:Inter,sans-serif}
.stat span{color:var(--muted);font-size:13px}

.eras{display:grid;grid-template-columns:repeat(3,1fr);margin-top:46px;position:relative}
.eras::before{content:"";position:absolute;left:8%;right:8%;top:38px;height:2px;background:linear-gradient(90deg,#3A4157,#4B5A86,var(--cyan),var(--magenta));transform-origin:left;transform:scaleX(var(--fill,0));transition:transform 2s ease}
.era{text-align:center;padding:0 22px}
.era .node{width:76px;height:76px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;font-size:30px;background:var(--bg2);border:1px solid var(--line2);position:relative;z-index:1}
.era.now .node{border-color:var(--cyan);box-shadow:0 0 40px rgba(0,229,255,.45);background:radial-gradient(circle,rgba(0,229,255,.25),var(--bg2))}
.era h3{font-size:19px;margin-bottom:6px}.era .yr{font-family:var(--mono);font-size:12px;color:var(--dim)}
.era p{color:var(--muted);font-size:14.5px}
.era.old h3{color:#9AA1B4}
.vs{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:56px}
.vs .card h3{font-size:18px;margin-bottom:14px}
.vs ul{list-style:none}.vs li{padding:9px 0;border-bottom:1px dashed var(--line);color:var(--muted);font-size:15px;display:flex;gap:10px}
.vs .before h3{color:#A3A9B6}.vs .before li::before{content:"—";color:var(--legacy)}
.vs .after{border-color:rgba(0,229,255,.35)}.vs .after h3{color:var(--cyan)}.vs .after li{color:var(--text)}.vs .after li::before{content:"▸";color:var(--mint)}

.power .ico{width:54px;height:54px}
.power h3{font-size:22px;margin-bottom:8px}
.power p{min-height:96px}
.bubble{margin-top:16px;font-size:13px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px 12px 12px 4px;padding:10px 12px;color:#CDD6F5}
.decide{margin-top:34px;text-align:center;font-weight:800;font-size:19px}
.decide span{color:var(--mint)}
.slot .t{font-family:var(--mono);font-size:22px;font-weight:600;margin-bottom:10px}
.slot .msg{font-size:13.5px}

.arch{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto .8fr;align-items:stretch;margin-top:46px}
.arch .block{border-radius:16px;padding:22px;border:1px solid var(--line2);background:var(--bg2)}
.arch .block h4{font-size:15px;margin-bottom:10px}
.arch .block li{list-style:none;color:var(--muted);font-size:13.5px;padding:3px 0}
.arch .block li::before{content:"· ";color:var(--cyan)}
.arch .b-bridge{background:radial-gradient(circle at 50% 30%,rgba(124,92,255,.35),var(--bg2));border-color:rgba(124,92,255,.7);text-align:center;display:flex;flex-direction:column;justify-content:center;box-shadow:0 0 50px rgba(124,92,255,.25)}
.arch .b-bridge h4{font-family:var(--mono);font-size:18px}
.arch .b-ai{border-color:rgba(0,229,255,.5)}
.flow{width:46px;position:relative;align-self:center;height:2px;background:linear-gradient(90deg,var(--violet),var(--cyan))}
.flow::after{content:"";position:absolute;top:-4px;left:0;width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:move 1.6s linear infinite}
@keyframes move{to{left:calc(100% - 10px)}}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.step{padding:20px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.02)}
.step b{font-family:var(--mono);color:var(--cyan);font-size:13px}
.step p{font-size:14px;color:var(--muted);margin-top:6px}
.layers{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;justify-content:center}
.trust .card.key{background:radial-gradient(circle at 0% 0%,rgba(0,229,255,.18),var(--panel) 60%);border-color:rgba(0,229,255,.45)}
.shield{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(124,92,255,.15);border:1px solid rgba(124,92,255,.5);margin-bottom:12px}

.tabs{display:flex;gap:8px;margin-top:40px;flex-wrap:wrap}
.tab{background:none;border:1px solid var(--line2);color:var(--muted);padding:10px 18px;border-radius:999px;font:inherit;font-size:14px;cursor:pointer}
.tab[aria-selected=true]{background:rgba(0,229,255,.12);border-color:var(--cyan);color:var(--text)}
.tabpanel{margin-top:22px;display:none;grid-template-columns:1.2fr 1fr;gap:24px}
.tabpanel.on{display:grid}
.plus{list-style:none}
.plus li{padding:10px 0;border-bottom:1px dashed var(--line);font-size:15px;display:flex;gap:10px}
.plus li::before{content:"＋";color:var(--mint);font-weight:700}
.seven{display:flex;flex-direction:column;gap:8px}
.seven div{display:flex;align-items:center;gap:12px;font-size:14px;padding:10px 14px;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid var(--line)}
.seven i{font-style:normal;font-family:var(--mono);width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:var(--grad);color:#fff;font-size:12px;font-weight:700;flex:none}

.code{background:#050817;border:1px solid var(--line2);border-radius:14px;overflow:hidden}
.code .bar{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--dim)}
.code .bar i{width:10px;height:10px;border-radius:50%;background:#2A3352}
.code .bar i:nth-child(1){background:#FF5C7A}.code .bar i:nth-child(2){background:#FFB547}.code .bar i:nth-child(3){background:#38F0C0}
.code .bar span{margin-left:8px}
.code pre{padding:16px 18px;font-family:var(--mono);font-size:12.5px;line-height:1.75;overflow:auto;color:#C9D4FF}
.k{color:#7C9CFF}.s{color:#38F0C0}.c{color:#5D6990}.n{color:#FFB547}.f{color:#00E5FF}
.term .ok{color:var(--mint);font-weight:600}
.devlinks{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}

.chats{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:36px}
.chats span{padding:10px 18px;border-radius:12px;border:1px solid var(--line2);background:rgba(255,255,255,.03);font-weight:600;font-size:14px}
.chats span.org{border-color:rgba(0,229,255,.45)}

.ops{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.loop{position:relative;width:min(380px,100%);aspect-ratio:1;margin:0 auto}
.loop .ring{position:absolute;inset:10%;border-radius:50%;border:1px dashed rgba(0,229,255,.4);animation:rot 30s linear infinite}
@keyframes rot{to{transform:rotate(360deg)}}
.loop .center{position:absolute;inset:34%;border-radius:50%;display:grid;place-items:center;text-align:center;background:radial-gradient(circle,rgba(255,43,214,.25),transparent 70%);font-weight:800;font-size:15px;line-height:1.4}
.loop .pt{position:absolute;transform:translate(-50%,-50%);font-size:12px;font-weight:700;padding:5px 10px;border-radius:999px;background:var(--bg2);border:1px solid var(--line2);white-space:nowrap}
.loop .pt.h{border-color:var(--warn);color:var(--warn)}

.faq{max-width:860px;margin:40px auto 0}
.faq details{border-bottom:1px solid var(--line);padding:18px 4px}
.faq summary{cursor:pointer;font-weight:700;font-size:16px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--cyan);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq p{color:var(--muted);margin-top:10px;font-size:15px}
.faq h3{font-size:14px;letter-spacing:.12em;color:var(--cyan);margin:40px 0 4px;text-transform:uppercase}

.final{text-align:center;padding:130px 0}
.final h2{font-size:clamp(30px,4.4vw,52px)}
.final::before{content:"";position:absolute;left:50%;top:50%;width:min(900px,90vw);height:420px;transform:translate(-50%,-50%);background:radial-gradient(ellipse,rgba(124,92,255,.35),rgba(0,229,255,.12) 45%,transparent 70%);filter:blur(10px);z-index:-1}
.final .lead{margin:0 auto 34px}

/* docs */
.doc-layout{display:grid;grid-template-columns:240px 1fr;gap:40px;align-items:start}
.toc{position:sticky;top:90px;border-left:1px solid var(--line2);padding-left:16px;font-size:14px}
.toc a{display:block;padding:6px 0;color:var(--muted)}
.toc a:hover{color:var(--text)}
.doc-card{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center}
.doc-card .ico{margin:0}
.doc-actions{display:flex;gap:8px;flex-wrap:wrap}
.doc-group{margin-bottom:56px}
.doc-group h2{font-size:26px}

/* community */
.search{display:flex;gap:10px;max-width:640px;margin:26px 0 0}
.search input{flex:1;font:inherit;font-size:15px;color:var(--text);background:rgba(11,17,48,.8);border:1px solid var(--line2);border-radius:12px;padding:12px 16px}
.search input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,229,255,.15)}
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cat{padding:20px;border-radius:14px;border:1px solid var(--line);background:var(--panel)}
.cat:hover{border-color:var(--cyan)}
.cat b{display:flex;align-items:center;gap:8px;font-size:15px}
.cat p{color:var(--muted);font-size:13px;margin-top:6px}
.cat small{display:block;color:var(--dim);font-size:12px;margin-top:8px;font-family:var(--mono)}
.forum{display:grid;grid-template-columns:1fr 300px;gap:28px;align-items:start}
.threads{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:rgba(11,17,48,.55)}
.threads .head{display:flex;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line2);flex-wrap:wrap}
.threads .head button{font:inherit;font-size:13px;color:var(--muted);background:none;border:1px solid transparent;border-radius:999px;padding:5px 12px;cursor:pointer}
.threads .head button[aria-pressed=true]{color:var(--text);border-color:var(--cyan);background:rgba(0,229,255,.1)}
.thread{display:grid;grid-template-columns:52px 1fr auto;gap:14px;padding:16px;border-bottom:1px solid var(--line);align-items:center}
.thread:last-child{border-bottom:0}
.thread:hover{background:rgba(0,229,255,.04)}
.thread .vote{text-align:center;font-family:var(--mono);font-size:13px;color:var(--muted);border:1px solid var(--line2);border-radius:10px;padding:6px 0;line-height:1.3}
.thread .vote b{display:block;color:var(--text);font-size:16px}
.thread h4{font-size:15px;line-height:1.5}
.thread .meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:6px;font-size:12px;color:var(--dim)}
.thread .meta .t{color:var(--cyan);font-family:var(--mono);font-size:11.5px;border:1px solid rgba(0,229,255,.3);border-radius:6px;padding:0 6px}
.thread .rep{text-align:right;font-size:12px;color:var(--dim);white-space:nowrap}
.thread .rep b{display:block;color:var(--text);font-size:15px}
.solved{color:var(--mint)!important;border-color:rgba(56,240,192,.5)!important}
.side .card{padding:22px;margin-bottom:18px}
.side h4{font-size:14px;margin-bottom:10px}
.side li{list-style:none;font-size:13.5px;color:var(--muted);padding:5px 0;display:flex;gap:8px}
.side li::before{content:"▸";color:var(--mint)}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tags span{font-family:var(--mono);font-size:12px;color:var(--cyan);border:1px solid rgba(0,229,255,.3);border-radius:6px;padding:2px 8px}
.user{display:flex;align-items:center;gap:10px;padding:6px 0;font-size:13.5px}
.user i{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:700;background:var(--grad);flex:none}
.user span{margin-left:auto;font-family:var(--mono);color:var(--dim);font-size:12px}
.event{display:flex;gap:16px;align-items:center}
.event .d{width:64px;text-align:center;border:1px solid var(--line2);border-radius:12px;padding:8px 0;font-family:var(--mono);flex:none}
.event .d b{display:block;font-size:22px;color:var(--cyan);line-height:1.1}
.event .d small{font-size:11px;color:var(--dim)}

/* contact */
.form{display:grid;gap:16px}
.form label{display:grid;gap:6px;font-size:14px;font-weight:600}
.form input,.form select,.form textarea{font:inherit;font-size:15px;font-weight:400;color:var(--text);background:rgba(11,17,48,.8);border:1px solid var(--line2);border-radius:12px;padding:12px 14px}
.form textarea{min-height:140px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,229,255,.15)}
.form .check{display:flex;gap:10px;align-items:flex-start;font-weight:400;color:var(--muted);font-size:13.5px}
.form .check input{margin-top:5px}
.notice{font-size:12.5px;color:var(--warn);border:1px dashed rgba(255,181,71,.5);border-radius:10px;padding:10px 14px}

footer{border-top:1px solid var(--line);padding:50px 0 40px;color:var(--muted);font-size:13px;position:relative;z-index:1}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:24px}
footer h5{color:var(--text);font-size:13px;margin-bottom:10px}
footer a{display:block;padding:3px 0}
footer a:hover{color:var(--text)}
footer .copy{margin-top:36px;font-size:12px;color:var(--dim)}

@media (max-width:1240px){.links{gap:14px;font-size:13px}.nav .wrap{gap:16px}}
@media (max-width:1120px){
  .links,.nav-cta .btn{display:none}
  .burger{display:block;margin-left:0}
  .nav-cta{margin-left:auto}
  .transform{grid-template-columns:1fr;max-width:520px}
  .bridge{height:200px}
  .arch{grid-template-columns:1fr}
  .flow{width:2px;height:34px;justify-self:center;background:linear-gradient(180deg,var(--violet),var(--cyan))}
  .flow::after{left:-4px;top:0;animation:movev 1.6s linear infinite}
  @keyframes movev{to{top:calc(100% - 10px)}}
  .steps,.grid4,.cats{grid-template-columns:1fr 1fr}
  .ops,.forum{grid-template-columns:1fr}
  .chain{flex-wrap:wrap;gap:10px}.chain .ar{display:none}.chain .st{flex:1 1 40%}
  footer .cols{grid-template-columns:1fr 1fr 1fr}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  section{padding:76px 0}
  .page-hero{padding:60px 0 20px}
  .nav-cta .lang{display:none}
  .stats .wrap{grid-template-columns:1fr 1fr}
  .stat b{font-size:36px}
  .eras,.vs,.grid2,.grid3,.grid4,.steps,.cats{grid-template-columns:1fr}
  .eras::before{display:none}
  .era{margin-bottom:28px}
  .tabpanel.on{grid-template-columns:1fr}
  .power p{min-height:0}
  .doc-layout{grid-template-columns:1fr}.toc{display:none}
  .doc-card{grid-template-columns:auto 1fr}.doc-card .doc-actions{grid-column:1/-1}
  .thread{grid-template-columns:44px 1fr}.thread .rep{display:none}
  .chain .st{flex:1 1 100%}
  footer .cols{grid-template-columns:1fr 1fr}
  .badge{font-size:10.5px;letter-spacing:.02em;padding:6px 12px}
  .tbl td:first-child{white-space:normal}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}.msg{opacity:1;transform:none}}

/* grid children may shrink below their content (long code lines scroll inside) */
.doc-layout>*,.doc-card>*,.grid2>*,.grid3>*,.grid4>*,.forum>*,.tabpanel>*{min-width:0}

/* ── documentation pages (technical-guide.html, guideline.html; generated by tools/build-docs.cjs) ── */
.doc-hero{padding-bottom:20px}
.doc-read{grid-template-columns:260px minmax(0,1fr)}
.toc-col{position:sticky;top:90px;max-height:calc(100vh - 110px);overflow:auto}
.toc-col .toc{position:static}
.toc b{display:block;font-size:12px;letter-spacing:.08em;color:var(--cyan);margin-bottom:6px;text-transform:uppercase}
.toc .toc-other{margin-top:18px}
.toc .toc-src{margin-top:12px;color:var(--dim);font-size:13px}
.md{color:#CDD6F5;font-size:15.5px;line-height:1.9;max-width:900px}
.md h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;color:var(--text);margin:56px 0 18px;padding-top:12px;border-top:1px solid var(--line);scroll-margin-top:90px}
.md h2:first-of-type{margin-top:8px}
.md h3{font-size:20px;color:var(--text);margin:36px 0 12px;scroll-margin-top:90px}
.md h4,.md h5{font-size:16.5px;color:var(--mint);margin:26px 0 10px;scroll-margin-top:90px}
.md p{margin:0 0 14px}
.md ul,.md ol{margin:0 0 16px 1.4em}
.md li{margin:4px 0}
.md li>ul,.md li>ol{margin:4px 0 4px 1.2em}
.md a{color:var(--cyan);text-decoration:underline;text-decoration-color:rgba(0,229,255,.35);text-underline-offset:3px;overflow-wrap:anywhere}
.md a:hover{text-decoration-color:var(--cyan)}
.md strong{color:var(--text)}
.md code{font-family:var(--mono);font-size:.86em;color:var(--mint);background:rgba(56,240,192,.08);padding:1px 6px;border-radius:6px;overflow-wrap:anywhere}
.md .code{margin:14px 0 20px}
.md .code pre code{background:none;padding:0;color:inherit;font-size:inherit;overflow-wrap:normal}
.md blockquote{margin:0 0 18px;padding:12px 18px;border-left:3px solid var(--violet);background:rgba(124,92,255,.07);border-radius:0 12px 12px 0;color:var(--muted)}
.md blockquote p:last-child{margin:0}
.md hr{border:0;border-top:1px solid var(--line);margin:30px 0}
.md .tbl-wrap{margin:14px 0 22px}
.md .tbl{font-size:14px}
.md .tbl td:first-child{white-space:normal}
.md .tbl td,.md .tbl th{padding:10px 14px}
.md .mmd{margin:16px 0 24px;padding:18px;background:rgba(11,17,48,.55);border:1px solid var(--line);border-radius:14px;overflow-x:auto}
.md pre.mermaid{font-family:var(--mono);font-size:12.5px;color:var(--muted);white-space:pre;text-align:center}
.md pre.mermaid svg{margin:0 auto;max-width:100%;height:auto}
.tr-note{font-size:13.5px;color:var(--warn);background:rgba(255,181,71,.08);border:1px solid rgba(255,181,71,.25);border-radius:10px;padding:10px 14px;margin-bottom:22px}
.mtoc{display:none;margin:0 0 22px;border:1px solid var(--line2);border-radius:12px;background:rgba(11,17,48,.6)}
.mtoc summary{cursor:pointer;padding:12px 16px;font-weight:700;color:var(--text)}
.mtoc nav{padding:0 16px 12px}
.mtoc nav a{display:block;padding:6px 0;color:var(--muted);font-size:14px}
@media (max-width:1120px){
  .doc-read{grid-template-columns:1fr}
  .toc-col{display:none}
  .mtoc{display:block}
}

/* ══ community & consultation: the real pages (contact.html, community.html, community/*.html) ══ */
.form .req{font-style:normal;font-size:11px;font-weight:700;color:var(--warn);border:1px solid rgba(255,181,71,.45);border-radius:999px;padding:0 7px;margin-left:6px;vertical-align:1px}
.form .hint{font-size:12px;font-weight:400;color:var(--dim)}
.form .fe{font-size:12.5px;font-weight:600;color:var(--danger)}
.form [aria-invalid=true]{border-color:var(--danger)}
.form input[readonly]{color:var(--muted)}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;opacity:0}
.notice.err{color:var(--danger);border-color:rgba(255,92,122,.5);border-style:solid}
.notice.ok{color:var(--mint);border-color:rgba(56,240,192,.5);border-style:solid}
.notice.info{color:var(--cyan);border-color:rgba(0,229,255,.4);border-style:solid}
.btn .when-busy{display:none}
.btn[aria-busy=true] .when-busy{display:inline}
.btn[aria-busy=true] .when-idle{display:none}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.btn.danger{color:var(--danger);border-color:rgba(255,92,122,.5)}
.small{font-size:13px}
.acts{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.done .receipt{font-family:var(--mono);font-size:clamp(24px,6vw,32px);font-weight:700;color:var(--mint);margin:4px 0 14px;overflow-wrap:anywhere}
.cm-more{color:var(--cyan);font-size:13.5px}
.cm-more:hover{text-decoration:underline}

/* the member strip */
.cm-bar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-top:22px;padding:12px 16px;border:1px solid var(--line2);border-radius:14px;background:rgba(11,17,48,.6);min-height:58px}
.cm-bar:empty{visibility:hidden}
.cm-bar .who{display:flex;align-items:center;gap:10px;font-size:14px;min-width:0;overflow-wrap:anywhere}
.cm-bar .who i,.av{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:700;background:var(--grad);color:#fff;flex:none}
.cm-bar .acts{display:flex;gap:8px;flex-wrap:wrap}

/* list page */
.cat.on{border-color:var(--cyan);background:rgba(0,229,255,.08)}
.threads .cm-tools{display:flex;gap:6px 14px;padding:12px 16px;border-bottom:1px solid var(--line2);flex-wrap:wrap;justify-content:space-between}
.cm-tools .grp{display:flex;gap:6px;flex-wrap:wrap}
.cm-tools button{font:inherit;font-size:13px;color:var(--muted);background:none;border:1px solid transparent;border-radius:999px;padding:5px 12px;cursor:pointer}
.cm-tools button[aria-pressed=true]{color:var(--text);border-color:var(--cyan);background:rgba(0,229,255,.1)}
.cm-chips{display:flex;gap:8px;flex-wrap:wrap;padding:10px 16px;border-bottom:1px solid var(--line)}
.cm-chips .chip{font:inherit;font-size:12.5px;color:var(--cyan);background:rgba(0,229,255,.08);border:1px solid rgba(0,229,255,.35);border-radius:999px;padding:3px 12px;cursor:pointer;max-width:100%;overflow-wrap:anywhere;text-align:left}
.cm-chips .chip.clear{color:var(--muted);border-color:var(--line2);background:none}
.thread h4 a:hover{color:var(--cyan)}
.thread h4{overflow-wrap:anywhere}
.thread .meta a:hover{color:var(--text)}
.thread .meta .cm-catlink,.cm-head .meta .cm-catlink{color:var(--mint)}
.thread.cm-simple{grid-template-columns:1fr}
.cm-empty{padding:28px 18px;text-align:center;color:var(--muted);font-size:14.5px}
.cm-empty p+p{margin-top:12px}
.cm-pager{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:18px;font-size:13px}
.tags a{font-family:var(--mono);font-size:12px;color:var(--cyan);border:1px solid rgba(0,229,255,.3);border-radius:6px;padding:2px 8px}
.tags a:hover{background:rgba(0,229,255,.1)}
a.user:hover{color:var(--cyan)}

/* sub pages */
.page-hero.cm-hero{padding:70px 0 6px}
.cm-hero h1{font-size:clamp(26px,3.6vw,40px)}
.cm-page{padding-top:26px}
.cm-narrow{max-width:900px}
.cm-auth{max-width:560px}
.cm-split{align-items:start;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}
.cm-head h1{font-size:clamp(24px,3.4vw,36px);line-height:1.35;overflow-wrap:anywhere}
.cm-head .meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:10px 0 18px;font-size:13px;color:var(--dim)}
.cm-head .meta .t{color:var(--cyan);font-family:var(--mono);font-size:12px;border:1px solid rgba(0,229,255,.3);border-radius:6px;padding:0 6px}
.cm-head .meta a:hover{color:var(--text)}
#tThread>.notice{margin-bottom:14px}
.cm-post{padding:22px 24px;margin-bottom:14px;overflow:visible}
.cm-post.start{border-color:var(--line2)}
.cm-post.solution{border-color:rgba(56,240,192,.55);box-shadow:0 0 0 1px rgba(56,240,192,.2) inset}
.cm-post-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;font-size:13.5px;margin-bottom:12px}
.cm-post-head a{font-weight:700}
.cm-post-head a:hover{color:var(--cyan)}
.cm-body{max-width:none;font-size:15px;overflow-wrap:anywhere}
.cm-body pre{background:rgba(6,10,30,.85);border:1px solid var(--line);border-radius:10px;padding:12px 14px;overflow-x:auto;margin:0 0 14px;font-family:var(--mono);font-size:13px;line-height:1.6}
.cm-body pre code{background:none;padding:0;color:#CDD6F5;overflow-wrap:normal}
.cm-body table{border-collapse:collapse;display:block;overflow-x:auto;margin:0 0 14px}
.cm-body td,.cm-body th{border:1px solid var(--line2);padding:6px 10px}
.cm-plain{white-space:pre-wrap;overflow-wrap:anywhere;color:#CDD6F5;font-size:14.5px}
.cm-acts{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.cm-act{font:inherit;font-size:12.5px;color:var(--muted);background:none;border:1px solid var(--line2);border-radius:999px;padding:4px 12px;cursor:pointer;display:inline-flex;gap:4px;align-items:center}
.cm-act b{color:var(--text);font-family:var(--mono)}
.cm-act:hover{border-color:var(--cyan);color:var(--text)}
.cm-act[aria-pressed=true]{color:var(--mint);border-color:rgba(56,240,192,.6);background:rgba(56,240,192,.08)}
.cm-act.static{cursor:default}
.cm-act.static:hover{border-color:var(--line2);color:var(--muted)}
.cm-act.danger:hover{border-color:var(--danger);color:var(--danger)}
.cm-act:disabled{opacity:.5}
.cm-post>.notice{margin-top:12px}
.cm-edit textarea{min-height:200px}
.cm-sub{font-size:17px;margin:26px 0 14px}
.cm-login p+p{margin-top:12px}
.cm-dialog{margin:auto;width:min(520px,calc(100vw - 32px));max-height:calc(100vh - 32px);overflow:auto;background:var(--bg2);color:var(--text);border:1px solid var(--line2);border-radius:var(--r);padding:24px}
.cm-dialog::backdrop{background:rgba(3,6,20,.72);backdrop-filter:blur(3px)}
.cm-kinds{border:0;display:grid;gap:8px}
.cm-or{display:flex;align-items:center;gap:12px;color:var(--dim);font-size:12.5px;margin:4px 0 10px}
.cm-or::before,.cm-or::after{content:"";flex:1;height:1px;background:var(--line2)}
.cm-wide{width:100%;justify-content:center}
.cm-links{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13.5px}
.cm-links a{color:var(--cyan)}
.cm-links a:hover{text-decoration:underline}
.cm-danger{border-color:rgba(255,92,122,.3)}
.cm-profile{display:flex;gap:20px;align-items:flex-start}
.cm-profile h1{font-size:clamp(22px,3vw,30px);overflow-wrap:anywhere}
.cm-profile .cm-plain{margin-top:10px}
.av.big{width:64px;height:64px;font-size:20px}
.cm-mstats{padding:18px 0 0}
.cm-mstats .wrap{grid-template-columns:repeat(3,1fr);padding:0}
.cm-rules{margin-left:1.4em;display:grid;gap:10px;color:#CDD6F5}
.cm-rules li{padding-left:4px}
@media (max-width:1120px){.cm-split{grid-template-columns:1fr}}
@media (max-width:767px){
  .page-hero.cm-hero{padding:46px 0 4px}
  .cm-post{padding:18px 16px}
  .cm-profile{flex-direction:column;gap:12px}
  .cm-mstats .wrap{grid-template-columns:1fr 1fr 1fr;gap:8px}
  .cm-mstats .stat b{font-size:28px}
  .cm-bar{padding:10px 12px}
  .threads .cm-tools{justify-content:flex-start}
}

/* my page: my posts */
.cm-myposts{display:flex;flex-direction:column;gap:12px;margin-top:10px}
.cm-mypost{padding-bottom:12px;border-bottom:1px solid var(--line)}
.cm-mypost:last-child{border-bottom:0}
.cm-mypost .chip{margin-left:6px}