:root{color-scheme:dark;--bg:#09131e;--surface:#101f2d;--panel:#15283a;--line:#2b4151;--text:#edf7f8;--muted:#a7b9c3;--cyan:#72e8e9;--cyan-dark:#0d353b;--blue:#99b8dd;font-family:"Yu Gothic UI","Meiryo",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);line-height:1.65}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}[hidden]{display:none!important}.symbols,.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.icon{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}.prototype-bar{padding:6px 20px;text-align:center;background:#16323d;color:#b1cfd5;font-size:11px;letter-spacing:.08em}.prototype-bar span{color:#70d9d9}.topbar{height:84px;display:flex;align-items:center;justify-content:space-between;max-width:1410px;margin:auto;padding:0 6%}.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;line-height:1.1;letter-spacing:-.05em}.brand small{display:block;font:700 8px/1.5 Arial,sans-serif;letter-spacing:.2em;color:#839ba8;margin-top:3px}.brand-accent,.footer-brand span{color:var(--cyan)}.brand-mark{width:35px;height:35px;border:1.5px solid var(--cyan);border-radius:50%;position:relative;display:grid;place-items:center;transform:rotate(-30deg)}.brand-mark:before{content:"";position:absolute;inset:5px -5px;border:1px solid #72e8e9;border-radius:50%}.brand-mark span{width:8px;height:8px;background:var(--cyan);border-radius:50%}.nav{display:flex;align-items:center;gap:30px;font-size:13px;font-weight:700}.nav-link,.nav-account{border:0;background:none;color:var(--text);padding:10px 0}.nav-account span{color:var(--cyan);margin-left:6px}.nav-login{display:flex;align-items:center;gap:14px;border:1px solid #47616d;color:#e9f8f9;background:transparent;border-radius:6px;padding:11px 15px;font-size:13px;font-weight:700}.nav a:hover,.nav-link:hover,.text-link:hover{color:var(--cyan)}main{overflow:hidden}.view{max-width:1410px;margin:auto;padding:0 6%}.hero{min-height:540px;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:7%;padding:35px 0 80px}.eyebrow{font:700 10px/1.3 Arial,sans-serif;letter-spacing:.2em;color:var(--cyan);margin:0 0 22px}.pulse-dot{display:inline-block;width:7px;height:7px;margin-right:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan);vertical-align:middle}.hero h1{font-size:clamp(30px,3.45vw,52px);line-height:1.48;letter-spacing:.02em;margin:0;font-weight:800}.hero h1 em{font-style:normal;color:var(--cyan)}.hero-lead{color:#b6c8d1;font-size:15px;line-height:2.15;margin:24px 0 31px}.hero-actions{display:flex;align-items:center;gap:30px;flex-wrap:wrap}.button{border:0;border-radius:6px;min-height:48px;padding:12px 19px;display:inline-flex;align-items:center;justify-content:center;gap:13px;font-size:13px;font-weight:800;transition:background .18s,transform .18s}.button:hover:not(:disabled){transform:translateY(-2px)}.primary{color:#08202a;background:var(--cyan)}.primary:hover{background:#a0f5f2}.secondary{background:#254956;color:#e8ffff}.secondary:hover{background:#306070}.outline{border:1px solid #42606d;background:transparent;color:#e5f7f7}.quiet{background:transparent;color:#b4cbd0}.wide{width:100%}.text-link{font-size:12px;font-weight:700;color:#c7d9dd}.text-link span{color:var(--cyan);margin-left:8px}.hero-note{display:flex;align-items:center;gap:12px;font-size:11px;line-height:1.6;color:#849ca8;margin-top:60px}.note-orbit{display:grid;place-items:center;width:35px;height:35px;border:1px solid #315261;border-radius:50%;color:var(--cyan);font-size:15px}.hero-art{position:relative;height:430px;border:1px solid #355064;border-radius:8px;overflow:hidden;background:#15283a;box-shadow:0 24px 80px #0006}.hero-art:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#0a182155 0%,transparent 35%,#0a1821bb 100%);pointer-events:none}.hero-art>img{height:100%;width:100%;object-fit:cover;transform:scale(1.12)}.art-top{position:absolute;z-index:1;left:24px;right:24px;top:22px;display:flex;justify-content:space-between;color:#d9f2f2;font:700 9px Arial;letter-spacing:.16em}.art-caption{position:absolute;z-index:1;bottom:35px;left:24px;right:24px;background:#102735e8;border:1px solid #68858b66;backdrop-filter:blur(10px);padding:14px;display:flex;align-items:center;gap:12px;border-radius:6px}.art-caption-icon{width:42px;height:42px;background:#274b55;border-radius:4px;color:#91e8e8;display:grid;place-items:center}.art-caption div:nth-child(2){flex:1}.art-caption small,.art-caption strong{display:block}.art-caption small{font-size:10px;color:#acc7ce}.art-caption strong{font-size:14px}.art-caption>span{color:var(--cyan)}.art-label{position:absolute;z-index:1;bottom:10px;right:23px;font:700 8px Arial;letter-spacing:.15em;color:#b3cecf}.how-section{border-top:1px solid #283a46;padding:74px 0 84px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px}.section-heading .eyebrow{margin-bottom:12px}.section-heading h2,.bottom-cta h2{font-size:clamp(23px,2.4vw,32px);letter-spacing:.03em;margin:0}.section-heading>p{font-size:12px;color:#95adb7}.steps{display:grid;grid-template-columns:repeat(3,1fr);margin-top:35px;border-top:1px solid #2c4350}.steps article{padding:30px 28px 0 0}.steps article+article{padding-left:28px;border-left:1px solid #2c4350}.step-num{font:700 11px Arial;letter-spacing:.15em;color:var(--cyan)}.steps h3{font-size:15px;margin:13px 0 8px}.steps p{font-size:12px;color:#9db1bc;line-height:1.9;margin:0;max-width:310px}.bottom-cta{padding:36px 40px;background:#152e3b;border:1px solid #2b4b57;display:flex;justify-content:space-between;align-items:center;gap:20px;border-radius:7px;margin-bottom:80px}.bottom-cta .eyebrow{margin-bottom:10px}.bottom-cta p:last-child{font-size:12px;color:#aac2c9;margin-bottom:0}.footer{border-top:1px solid #263946;max-width:1410px;margin:auto;padding:30px 6%;display:flex;align-items:center;gap:25px;color:#879fab}.footer-brand{font-weight:800;font-size:15px;color:#edf7f8;white-space:nowrap}.footer p{font-size:11px;flex:1}.footer small{font:700 9px Arial;letter-spacing:.12em}.board-view{padding-top:52px;min-height:700px;padding-bottom:90px}.board-header{display:flex;justify-content:space-between;align-items:end;gap:20px}.board-header .eyebrow{margin-bottom:15px}.board-header h1{font-size:clamp(27px,3vw,39px);letter-spacing:.025em;line-height:1.4;margin:0}.board-header h1 span{color:var(--cyan)}.board-header p:last-child{font-size:13px;color:#a6bcc6;margin:12px 0 0}.board-note{border:1px solid #31535b;background:#132d37;color:#b3d0d3;font-size:12px;margin-top:35px;border-radius:5px;padding:12px 16px}.board-note span{color:var(--cyan);padding-right:7px}.board-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:40px 0 14px}.board-title{display:flex;align-items:center;gap:12px}.board-title h2{font-size:17px;margin:0}.board-title span{font-size:11px;color:#8fa9b3}.search{display:flex;align-items:center;gap:9px;padding:9px 13px;border:1px solid #354e5c;border-radius:5px;color:#8da6b1;background:#10202d;width:min(360px,100%)}.search input{width:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:12px}.listing{display:grid;gap:9px}.entry{width:100%;display:grid;grid-template-columns:132px minmax(0,1fr) 145px 24px;align-items:center;gap:20px;text-align:left;padding:10px;background:#132432;border:1px solid #29404d;border-radius:6px;color:var(--text);transition:border-color .18s,background .18s}.entry:hover{background:#1a303e;border-color:#65bdc3}.entry-image{position:relative;height:76px;border-radius:4px;overflow:hidden;background:#1b3543}.entry-image img{width:100%;height:100%;object-fit:cover}.entry-count{position:absolute;right:6px;bottom:6px;display:flex;gap:4px;align-items:center;border-radius:3px;background:#081721da;padding:2px 5px;color:white;font-size:10px;font-weight:700}.entry-count .icon{width:12px;height:12px}.entry-info{min-width:0}.entry-top{display:flex;align-items:center;gap:9px}.entry-world{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sample-tag,.own-tag{font-size:9px;font-weight:700;color:#9ab2bb;background:#233b46;border-radius:3px;padding:2px 6px;white-space:nowrap}.own-tag{color:#a7f2e9;background:#1d4a4a}.entry-message{font-size:12px;color:#afc1c9;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;margin:5px 0 0}.entry-person{display:flex;align-items:center;gap:8px;min-width:0}.avatar{display:grid;place-items:center;width:34px;height:34px;flex:none;border-radius:50%;background:#365864;color:#d5ffff;font-size:13px;font-weight:800;border:1px solid #5b7a80}.entry-person span:last-child{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:12px;color:#c6d8dc}.entry-arrow{color:#8ab3b7;font-size:20px}.board-footer{font-size:11px;color:#829ca7;margin-top:20px}.empty{text-align:center;border:1px dashed #38525f;border-radius:6px;padding:50px;color:#b7cad0}.empty p{font-size:12px;color:#839ca6}.footer small{white-space:nowrap}dialog{width:min(560px,calc(100% - 32px));max-height:min(88vh,850px);overflow:auto;background:#142634;color:var(--text);border:1px solid #3e5866;border-radius:8px;padding:0;box-shadow:0 25px 85px #000b}dialog::backdrop{background:#030c12cc;backdrop-filter:blur(3px)}.dialog-inner{padding:38px}.compact{max-width:460px;margin:auto}.dialog-inner .eyebrow{margin-bottom:13px}.dialog-inner h2{font-size:23px;line-height:1.45;margin:0 25px 8px 0}.dialog-lead{font-size:13px;color:#b0c3cb;line-height:1.9;margin:0 0 22px}.close{position:absolute;right:16px;top:16px;border:0;background:#25404b;color:#d5e8e9;border-radius:50%;width:34px;height:34px;display:grid;place-items:center}.close .icon{width:16px;height:16px}.provider-list{display:grid;gap:9px}.provider{display:flex;align-items:center;gap:12px;width:100%;height:49px;text-align:left;padding:0 15px;border:1px solid #45606b;color:#e9f4f5;background:#192d3b;border-radius:5px;font-size:13px;font-weight:700}.provider small{margin-left:auto;font-size:10px;color:#a8c4c9}.google-mark,.x-mark{font:700 18px Arial;color:#c8d7dc;width:24px;text-align:center}.demo-box{background:#10202d;border:1px solid #304b57;padding:17px;margin-top:22px;border-radius:5px}.demo-box strong{font-size:12px}.demo-box p{font-size:11px;color:#a6bac1;line-height:1.8;margin:5px 0 13px}.link-steps{display:grid;gap:14px;margin:22px 0 25px}.link-steps div{display:flex;gap:12px;align-items:start}.link-steps span{width:23px;height:23px;border-radius:50%;display:grid;place-items:center;background:#284b56;color:#a7f5ed;font-size:11px;flex:none}.link-steps p{margin:0;color:#c2d2d7;font-size:12px}.dialog-inner form label{display:block;font-size:12px;font-weight:800;margin:22px 0 8px}.required{font-size:10px;color:var(--cyan);margin-left:4px}textarea,input[type=url]{width:100%;border:1px solid #3a5664;border-radius:5px;background:#0d1c28;color:#edf7f8;padding:12px 13px;font-size:13px}textarea{resize:vertical;min-height:90px}.field-caption{display:flex;justify-content:space-between;gap:10px;color:#859da6;font-size:10px}.url-help{color:#a8bec6;font-size:11px;margin-bottom:10px}.official-link{display:inline-flex;gap:6px;align-items:center;color:#8be9e7;font-weight:700;font-size:11px;margin:0 0 12px}.official-link .icon{width:14px;height:14px}.form-hint{background:#10212c;padding:12px;color:#93adb6;font-size:11px;border-radius:4px;margin-top:16px}.form-error{color:#ffbfb9;font-size:12px}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.detail-image{width:100%;height:210px;object-fit:cover}.detail-body{padding:28px 35px 35px}.detail-body .eyebrow{margin-bottom:12px}.detail-body h2{font-size:23px;margin:0 0 13px}.detail-meta{display:flex;align-items:center;gap:12px;color:#abc2ca;font-size:12px;border-bottom:1px solid #334b56;padding-bottom:18px}.detail-meta .avatar{width:30px;height:30px}.detail-body h3{font-size:12px;color:#91aab5;margin:23px 0 8px}.detail-message{font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere}.detail-note{font-size:11px;color:#a4b9c2;margin:18px 0}.detail-actions{display:flex;gap:9px;flex-wrap:wrap}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,12px);opacity:0;pointer-events:none;background:#d3fbf2;color:#0b292c;border-radius:5px;padding:10px 16px;font-size:12px;font-weight:700;transition:.2s;z-index:5}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:760px){.topbar{height:72px}.nav{gap:15px}.nav>a,.nav-link{display:none}.nav-login{padding:9px 11px}.hero{grid-template-columns:1fr;padding-top:36px;gap:30px}.hero h1{font-size:clamp(29px,7vw,42px)}.hero-note{margin-top:32px}.hero-art{height:290px}.section-heading{display:block}.section-heading>p{margin-top:12px}.how-section{padding:55px 0}.steps{grid-template-columns:1fr}.steps article,.steps article+article{padding:20px 0;border-left:0;border-bottom:1px solid #2c4350}.steps article:last-child{border-bottom:0}.bottom-cta{padding:25px;display:block}.bottom-cta .button{margin-top:20px}.footer{flex-wrap:wrap;gap:9px}.footer p{flex-basis:100%;margin:0}.board-view{padding-top:35px}.board-header{align-items:start;flex-direction:column}.board-header .button{align-self:start}.board-toolbar{align-items:start;flex-direction:column}.entry{grid-template-columns:92px minmax(0,1fr) 18px;gap:12px;padding:8px}.entry-image{height:76px}.entry-world{font-size:13px}.entry-message{font-size:11px}.entry-person{grid-column:2;grid-row:2;margin-top:-8px}.entry-person .avatar{width:23px;height:23px;font-size:10px}.entry-person span:last-child{font-size:10px}.entry-image{grid-row:1 / 3}.entry-arrow{grid-column:3;grid-row:1 / 3}.dialog-inner{padding:31px 24px}.detail-body{padding:23px}.detail-image{height:170px}.board-footer{line-height:1.8}}
.entry-message{display:block}.account-action{margin-bottom:10px}.account-empty{color:#a3b8c1;font-size:12px;margin:0 0 20px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Landing page: a concrete invitation followed by how the service earns trust. */
.signup-note { margin: 17px 0 0; color: #a8c1c8; font-size: 11px; line-height: 1.8; }
.about-section { border-top: 1px solid #283a46; padding: 74px 0 80px; }
.about-intro { color: #b1c5ce; font-size: 13px; line-height: 2; margin: 24px 0 30px; }
.mobile-break { display: none; }
.meetup-examples { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.meetup-example { overflow: hidden; background: #122431; border: 1px solid #2b4150; border-radius: 6px; }
.meetup-example img { display: block; width: 100%; height: 115px; object-fit: cover; }
.meetup-example div { padding: 18px 18px 20px; }
.meetup-example small { color: var(--cyan); font: 700 9px/1 Arial, sans-serif; letter-spacing: .16em; }
.meetup-example h3 { font-size: 14px; margin: 10px 0 7px; }
.meetup-example p { font-size: 11px; line-height: 1.8; color: #a9bdc5; margin: 0; }
.examples-note { color: #8fa8b1; font-size: 11px; margin: 18px 0 0; }
.how-section { padding-top: 74px; padding-bottom: 80px; }
.host-note { border-left: 2px solid #6ed4d4; padding: 2px 0 2px 14px; color: #abc0c7; font-size: 11px; margin: 32px 0 0; }
.host-note span { color: var(--cyan); margin-right: 5px; }
.trust-section { display: grid; grid-template-columns: .85fr 1.15fr; gap: 9%; padding: 68px 0 82px; border-top: 1px solid #283a46; }
.trust-heading .eyebrow { margin-bottom: 14px; }
.trust-heading h2 { margin: 0; font-size: clamp(23px, 2.4vw, 32px); line-height: 1.5; }
.trust-heading > p:last-child { margin-top: 17px; color: #9eb5bd; font-size: 12px; }
.trust-list { border-top: 1px solid #36505b; }
.trust-list article { display: flex; gap: 20px; padding: 23px 0; border-bottom: 1px solid #36505b; }
.trust-symbol { flex: none; font: 700 10px/2 Arial, sans-serif; color: var(--cyan); letter-spacing: .1em; }
.trust-list h3 { margin: 0 0 9px; font-size: 15px; }
.trust-list p { color: #adc1c8; font-size: 12px; line-height: 1.9; margin: 0; }
.trust-list .trust-aside { color: #88a2ab; font-size: 10px; margin-top: 9px; }
@media(max-width:760px) {
  .signup-note { margin-top: 14px; }
  .about-section, .how-section { padding: 55px 0; }
  .about-intro { font-size: 12px; }
  .mobile-break { display: inline; }
  .meetup-examples { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .meetup-example img { height: 90px; }
  .meetup-example div { padding: 15px 13px; }
  .meetup-example h3 { font-size: 12px; }
  .meetup-example p { font-size: 10px; }
  .trust-section { grid-template-columns: 1fr; gap: 25px; padding: 55px 0 65px; }
}