:root{--sumi: #0e0f12;--sumi-soft: #16181d;--washi: #efeae0;--washi-dim: #b9bcc2;--ash: #6d7178;--phosphor: #7ee2a8;--hanko: #d84b33;--line: #24262c;--line-hover: #3a3d44;--inset: #0a0b0d;--hover: #171a20;--mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;--jp: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif}:root[data-theme=washi]{--sumi: #eae4d8;--sumi-soft: #f3eee4;--washi: #1c1e22;--washi-dim: #4a4d54;--ash: #5f636a;--phosphor: #148a48;--hanko: #c43d28;--line: #d6cfbe;--line-hover: #c3bba7;--inset: #faf7f0;--hover: #ded7c7}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100%}body{background:var(--sumi);color:var(--washi);font-family:var(--mono);font-weight:300;line-height:1.7;transition:background-color .2s ease,color .2s ease}a{color:inherit}button,input,textarea{font-family:inherit}.yk-app{min-height:100vh;background:var(--sumi);color:var(--washi);font-family:var(--mono);font-weight:300}.yk-shell{max-width:900px;margin:0 auto;padding:32px 24px 100px}.yk-topbar{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:24px}.yk-brand{display:flex;align-items:center;gap:10px;font-size:14px}.yk-g{color:var(--phosphor)}.yk-d{color:var(--ash)}.yk-nav{display:flex;gap:20px}.yk-navlink{color:var(--ash);text-decoration:none;font-size:13px;padding:4px 2px;border-bottom:2px solid transparent}.yk-navlink:hover{color:var(--washi)}.yk-navlink.active{color:var(--phosphor);border-bottom-color:var(--phosphor)}.yk-main{padding-top:4px}.yk-foot{color:var(--ash);font-size:12px;margin-top:48px;border-top:1px solid var(--line);padding-top:20px;text-align:center}.yk-section{margin-top:36px}.yk-label{color:var(--ash);font-size:12px;letter-spacing:.2em;margin-bottom:12px}.yk-label:before{content:"「 ";color:var(--hanko)}.yk-label:after{content:" 」";color:var(--hanko)}.yk-table{border:1px solid var(--line);border-radius:6px;background:var(--sumi-soft);overflow:hidden}.yk-row{display:grid;grid-template-columns:20px 140px 1fr 110px;gap:12px;align-items:baseline;padding:10px 14px;border-bottom:1px solid var(--line);font-size:13px}.yk-row:last-child{border-bottom:none}a.yk-row.link{text-decoration:none;color:inherit;cursor:pointer}a.yk-row.link:hover{background:var(--hover)}.yk-toggle{background:none;border:none;color:var(--washi);font:inherit;font-size:13px;padding:10px 14px;width:100%;text-align:left;display:grid;grid-template-columns:130px 1fr 110px;gap:12px;align-items:baseline;border-bottom:1px solid var(--line);cursor:pointer}.yk-toggle:last-child{border-bottom:none}.yk-toggle:hover{background:var(--hover)}.yk-on{color:var(--phosphor)}.yk-off{color:var(--ash)}.yk-btn{font-family:inherit;font-size:13px;background:none;border:1px solid var(--line);color:var(--washi);padding:8px 16px;border-radius:6px;cursor:pointer}.yk-btn:hover{border-color:var(--line-hover)}.yk-btn.primary{border-color:var(--phosphor);color:var(--phosphor)}.yk-btn.danger{border-color:var(--hanko);color:var(--hanko)}.yk-field{margin-bottom:16px;max-width:360px}.yk-field label{display:block;color:var(--ash);font-size:12px;margin-bottom:6px}.yk-input{background:var(--inset);border:1px solid var(--line);border-radius:6px;color:var(--washi);font-family:inherit;font-size:13px;padding:10px 12px;width:100%;outline:none}.yk-input:focus{border-color:var(--phosphor)}.yk-cmd-input{background:none;border:none;outline:none;color:var(--washi);font-family:inherit;font-size:13px;flex:1;caret-color:var(--phosphor)}.yk-term{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--inset);font-size:13px}.yk-term-bar{background:var(--sumi-soft);padding:8px 14px;color:var(--ash);font-size:12px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between}.yk-term-body{padding:16px;line-height:1.9}.yk-badge{display:inline-block;padding:2px 10px;border-radius:4px;font-size:11px;border:1px solid}.yk-badge.ok{color:var(--phosphor);border-color:var(--phosphor)}.yk-badge.warn{color:var(--hanko);border-color:var(--hanko)}.yk-back{color:var(--ash);text-decoration:none;font-size:13px}.yk-back:hover{color:var(--phosphor)}.yk-jp{font-family:var(--jp)}.yk-center{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--sumi);padding:24px}.yk-login-card{width:100%;max-width:340px}.yk-login-banner{color:var(--phosphor);font-size:12px;white-space:pre-wrap;line-height:1.5;margin-bottom:24px;text-align:center}.yk-status-hero{text-align:center;padding:60px 0 40px}.yk-status-pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--phosphor);color:var(--phosphor);padding:6px 16px;border-radius:20px;font-size:13px}.yk-incident{border-left:2px solid var(--line);padding-left:16px;margin-left:6px;position:relative}.yk-incident:before{content:"";position:absolute;left:-5px;top:4px;width:8px;height:8px;border-radius:50%;background:var(--ash)}.yk-incident.warn:before{background:var(--hanko)}.yk-cursor-blink{display:inline-block;width:8px;height:15px;background:var(--phosphor);margin-left:4px;animation:yk-blink 1.1s steps(1) infinite;vertical-align:text-bottom}.yk-cursor-blink.underscore{width:.5em;height:.09em;margin-left:.1em;align-self:flex-end}@keyframes yk-blink{50%{opacity:0}}.yk-home-page{max-width:560px;width:100%}.yk-home-seal{font-family:var(--jp);font-weight:500;color:var(--hanko);border:1.5px solid var(--hanko);width:36px;height:36px;display:inline-grid;place-items:center;font-size:18px;border-radius:4px;margin-bottom:20px}.yk-home-prompt{color:var(--ash);font-size:14px;margin-bottom:10px}.yk-home-wordmark{font-size:clamp(44px,11vw,72px);font-weight:400;letter-spacing:-.02em;line-height:1;display:flex;align-items:baseline}.yk-home-kui{color:var(--hanko)}.yk-home-tagline{margin-top:14px;color:var(--ash);font-size:14px}.yk-home-jp{color:var(--washi);font-family:var(--jp);margin-right:6px}.yk-home-blurb{margin-top:28px;color:var(--washi-dim);font-size:14px;max-width:48ch}.yk-home-menu{margin-top:40px;border-top:1px solid var(--line);padding-top:24px}.yk-home-item{display:flex;align-items:baseline;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--washi);font-size:14px}.yk-home-item:last-child{border-bottom:none}.yk-home-cmd:before{content:"$ ";color:var(--phosphor)}.yk-home-desc{color:var(--ash);font-size:12px}.yk-home-item:hover .yk-home-cmd,.yk-home-item:hover .yk-home-cmd:before{color:var(--phosphor)}.yk-home-footnote{margin-top:48px;color:var(--ash);font-size:12px;text-align:center}