:root{
  --bg:#0f0e13; --bg-2:#16141b; --card:#1b1921; --ink:#eeeaf0; --muted:#938c9b; --line:#2b2833;
  --acc:#e05a70; --on-acc:#0f0e13; --ok:#6fcf97;
  --sans:"Inter Tight","Zen Kaku Gothic New",system-ui,sans-serif;
  --jp:"Zen Kaku Gothic New","Hiragino Sans","Yu Gothic",system-ui,sans-serif;
  --mincho:"Zen Old Mincho","Hiragino Mincho ProN","Yu Mincho",serif;
  --serif:"Lora",Georgia,serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  --head:56px;
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#f2eff1; --bg-2:#e9e4e8; --card:#f8f6f7; --ink:#1a1620; --muted:#6c6573; --line:#d7d0d6;
  --acc:#c43a4a; --on-acc:#fff8f6; --ok:#2e8b57; color-scheme:light;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{touch-action:manipulation;-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:calc(var(--head) + 1px + env(safe-area-inset-top,0px));overscroll-behavior:none}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.7;overflow-x:clip}
a{color:inherit}
:focus-visible{outline:1px solid var(--acc);outline-offset:4px}
h1,h2,h3,p{margin:0}
code,kbd{font-family:var(--mono);font-size:.86em}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding-inline:max(20px,env(safe-area-inset-left,0px))}
.kick{font-size:.7rem;font-weight:600;letter-spacing:.32em;text-transform:uppercase;color:var(--muted)}
.kick b{color:var(--acc);font-weight:600}
.link{color:var(--ink);text-decoration:underline;text-decoration-color:var(--acc);text-underline-offset:4px;text-decoration-thickness:1px;overflow-wrap:anywhere}
.link:hover{color:var(--acc)}

/* buttons: label cell + arrow cell split by a hairline (same as whoisrem) */
.btn{display:inline-flex;align-items:stretch;min-height:44px;font:inherit;font-size:.82rem;font-weight:600;letter-spacing:.08em;text-decoration:none;color:var(--ink);border:1px solid var(--ink);background:linear-gradient(var(--ink),var(--ink)) left/0 100% no-repeat;cursor:pointer;padding:0;transition:background-size .35s cubic-bezier(.6,0,.2,1),color .35s}
.btn span{display:flex;align-items:center;padding:0 18px}
.btn i{display:flex;align-items:center;font-style:normal;padding:0 13px;border-left:1px solid currentColor}
.btn:hover{background-size:100% 100%;color:var(--bg)}

/* header: compact bar with a hairline */
.head{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.head .wrap{height:var(--head);display:flex;align-items:center;gap:20px}
.logo{display:flex;align-items:baseline;gap:10px;text-decoration:none;font-weight:900;font-size:1.02rem;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.logo small{font-family:var(--jp);font-size:.62rem;font-weight:500;letter-spacing:.12em;color:var(--muted);text-transform:none}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{display:flex;align-items:center;min-height:44px;padding:0 10px;font-size:.78rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;color:var(--muted);background:linear-gradient(var(--acc),var(--acc)) 10px calc(100% - 10px)/0 1px no-repeat;transition:color .2s,background-size .25s}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink);background-size:calc(100% - 20px) 1px}
.theme{width:44px;height:34px;flex:none;font:inherit;font-family:var(--jp);font-size:.74rem;font-weight:700;color:var(--ink);background:transparent;border:1px solid var(--line);cursor:pointer}
.theme:hover{border-color:var(--ink)}

/* hero */
.hero{padding:clamp(48px,9vw,104px) 0 clamp(48px,8vw,88px);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(32px,6vw,72px);align-items:center}
.name{display:flex;align-items:flex-end;gap:14px;margin-top:14px;font-weight:900;font-size:clamp(2.4rem,10.4vw,5rem);line-height:.82;white-space:nowrap;letter-spacing:-.035em;text-transform:uppercase}
.name .tate{writing-mode:vertical-rl;font-family:var(--mincho);font-weight:600;font-size:.15em;letter-spacing:.3em;line-height:1;color:var(--muted);text-transform:none;padding-bottom:.15em}
.name .caret{display:inline-block;width:.08em;height:.7em;margin-left:.06em;background:var(--acc);animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.catch{margin-top:16px;font-family:var(--serif);font-style:italic;font-weight:600;font-size:clamp(1.15rem,2.1vw,1.5rem);line-height:1.2;color:var(--acc)}
.lead{margin-top:22px;max-width:52ch;color:var(--muted)}
.lead b{color:var(--ink);font-weight:600}
.state{margin-top:26px;display:flex;flex-wrap:wrap;gap:6px 18px;font-family:var(--mono);font-size:.74rem;color:var(--muted)}
.state span::before{content:"";display:inline-block;width:6px;height:6px;margin-right:8px;vertical-align:2px;background:var(--ok)}
.state span+span::before{background:var(--muted)}

/* CSS-drawn mod card: what a held message looks like in the mod channel */
.mock{position:relative}
.mock .frame{position:relative;padding:18px;background:var(--bg-2);border:1px solid var(--line)}
.mock .frame>b{position:absolute;width:14px;height:14px;border:1px solid var(--ink);pointer-events:none}
.mock .frame>b:nth-of-type(1){top:-8px;left:-8px;border-width:1px 0 0 1px}
.mock .frame>b:nth-of-type(2){top:-8px;right:-8px;border-width:1px 1px 0 0}
.mock .frame>b:nth-of-type(3){bottom:-8px;left:-8px;border-width:0 0 1px 1px}
.mock .frame>b:nth-of-type(4){bottom:-8px;right:-8px;border-width:0 1px 1px 0;border-color:var(--acc)}
.msg{display:grid;grid-template-columns:36px minmax(0,1fr);gap:12px}
.av{width:36px;height:36px;border-radius:50%;background:var(--acc);display:grid;place-items:center;color:var(--on-acc);font-family:var(--mincho);font-weight:900;font-size:.8rem}
.who{font-size:.86rem;font-weight:600}
.who small{margin-left:6px;padding:1px 5px;font-size:.6rem;letter-spacing:.06em;color:#fff;background:#5865f2;border-radius:3px;vertical-align:1px}
.who time{margin-left:8px;font-size:.7rem;font-weight:400;color:var(--muted)}
.embed{margin-top:8px;padding:12px 14px;background:var(--card);border-left:3px solid var(--acc);border-radius:4px;font-size:.8rem;line-height:1.5}
.embed h3{font-size:.86rem;font-weight:700}
.embed dl{display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 12px;margin:10px 0 0}
.embed dt{color:var(--muted)}
.embed dd{margin:0;overflow-wrap:anywhere}
.embed pre{margin:10px 0 0;padding:8px 10px;font-family:var(--mono);font-size:.72rem;white-space:pre-wrap;overflow-wrap:anywhere;background:var(--bg);border-radius:3px;color:var(--muted)}
.btns{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.btns span{padding:5px 12px;font-size:.74rem;font-weight:600;border-radius:3px;color:#fff;background:#4e5058}
.btns .ban{background:#da373c}
.btns .free{background:#248046}
.mock figcaption{margin-top:16px;font-size:.78rem;color:var(--muted)}

/* sections */
.sec{padding:clamp(56px,8vw,96px) 0;border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:baseline;gap:16px;margin-bottom:32px}
.sec-head h2{font-weight:800;font-size:clamp(1.7rem,3.4vw,2.4rem);letter-spacing:-.02em;line-height:1.1}
.sec-head h2 em{font-family:var(--serif);font-weight:600;color:var(--acc)}
.sec-head .no{font-family:var(--mono);font-size:.74rem;color:var(--muted)}

/* features: one hairline sheet, 01 02 03 */
.sheet{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.feat{padding:28px 26px 30px;background:var(--bg)}
.feat .no{font-family:var(--mono);font-size:.72rem;color:var(--acc)}
.feat h3{margin-top:14px;font-size:1.2rem;font-weight:700;letter-spacing:-.01em}
.feat p{margin-top:10px;font-size:.95rem;color:var(--muted)}
.feat ul{margin:14px 0 0;padding:0;list-style:none;font-size:.88rem;color:var(--muted)}
.feat li{padding:7px 0;border-top:1px solid var(--line)}
.feat li::before{content:"/ ";color:var(--acc)}

/* data sheet rows: label left, details right */
.rows{border-top:1px solid var(--ink)}
.row{display:grid;grid-template-columns:minmax(0,15rem) minmax(0,1fr);gap:8px 32px;padding:16px 0;border-bottom:1px solid var(--line)}
.row dt{font-family:var(--mono);font-size:.84rem;color:var(--ink)}
.row dt small{display:block;margin-top:2px;font-family:var(--sans);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.row dd{margin:0;color:var(--muted);font-size:.95rem}

.note{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px 48px;align-items:end}
.note p{max-width:60ch;color:var(--muted)}
.note p+p{margin-top:12px}

/* long-form pages (privacy, terms) */
.doc{padding:clamp(48px,8vw,88px) 0 clamp(56px,8vw,96px)}
.doc .wrap{display:grid;grid-template-columns:minmax(0,13rem) minmax(0,68ch);gap:clamp(24px,6vw,80px)}
.doc h1{font-weight:900;font-size:clamp(2.4rem,6vw,4rem);line-height:.9;letter-spacing:-.03em;text-transform:uppercase}
.doc .meta{margin-top:16px;font-family:var(--mono);font-size:.74rem;color:var(--muted)}
.toc{position:sticky;top:calc(var(--head) + 32px);align-self:start;margin-top:28px;display:grid;gap:2px;font-size:.84rem}
.toc a{padding:4px 0;color:var(--muted);text-decoration:none}
.toc a:hover{color:var(--ink)}
.toc a::before{content:attr(data-no) "  ";font-family:var(--mono);font-size:.7rem;color:var(--acc);white-space:pre}
.body>p:first-child{font-family:var(--serif);font-style:italic;font-weight:500;font-size:1.2rem;line-height:1.5;color:var(--ink)}
.body h2{display:flex;align-items:baseline;gap:12px;margin:48px 0 14px;padding-top:20px;border-top:1px solid var(--line);font-size:1.3rem;font-weight:700;letter-spacing:-.01em}
.body h2 span{font-family:var(--mono);font-size:.74rem;font-weight:400;color:var(--acc)}
.body p,.body li{color:var(--muted)}
.body p+p,.body ul+p,.body .rows+p{margin-top:14px}
.body b{color:var(--ink);font-weight:600}
.body ul{margin:12px 0 0;padding-left:1.1em}
.body li+li{margin-top:8px}
.body li::marker{color:var(--acc)}
.body .rows{margin-top:16px}
.body .row{grid-template-columns:minmax(0,11rem) minmax(0,1fr)}

/* footer */
.foot{padding:40px 0 calc(40px + env(safe-area-inset-bottom,0px));font-size:.84rem;color:var(--muted)}
.foot .wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px 40px;align-items:start}
.foot .links{display:flex;flex-wrap:wrap;gap:6px 22px}
.foot .links a{color:var(--ink);text-decoration:none}
.foot .links a:hover{color:var(--acc)}
.contact{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px}
.addr{font-family:var(--mono);font-size:.8rem;color:var(--ink);overflow-wrap:anywhere}
.small{margin-top:14px;font-size:.74rem}

.grain{position:fixed;inset:0;z-index:99;pointer-events:none;opacity:.04;mix-blend-mode:soft-light;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:220px 220px}
:root[data-theme="light"] .grain{mix-blend-mode:multiply}

@media (max-width:900px){
  .hero .wrap,.note,.doc .wrap{grid-template-columns:minmax(0,1fr)}
  .sheet{grid-template-columns:minmax(0,1fr)}
  .toc{position:static;margin-top:20px;grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:600px){
  body{font-size:16px}
  .logo small{display:none}
  .head .wrap{gap:8px}
  .nav a{padding:0 7px;font-size:.72rem;letter-spacing:.06em;background-position:7px calc(100% - 10px)}
  .nav a:hover,.nav a[aria-current="page"]{background-size:calc(100% - 14px) 1px}
  .row,.body .row{grid-template-columns:minmax(0,1fr);gap:4px}
  .foot .wrap{grid-template-columns:minmax(0,1fr)}
  .mock .frame{padding:14px}
}
@media (max-width:400px){
  .logo{font-size:.9rem;letter-spacing:.03em}
  .nav{gap:0}
  .nav a{padding:0 6px;font-size:.68rem;letter-spacing:.04em;background-position:6px calc(100% - 10px)}
  .nav a:hover,.nav a[aria-current="page"]{background-size:calc(100% - 12px) 1px}
  .theme{width:40px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}