:root{--bg:#fafaf9;--fg:#1c1917;--muted:#78716c;--line:#e7e5e4;--accent:#0f766e;--danger:#b91c1c;--warn-bg:#fef3c7}@media (prefers-color-scheme:dark){:root{--bg:#1c1917;--fg:#f5f5f4;--muted:#a8a29e;--line:#44403c;--accent:#2dd4bf;--danger:#f87171;--warn-bg:#422006}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:system-ui,Hiragino Sans,Noto Sans JP,sans-serif;font-size:15px}a{color:var(--accent)}h1{font-size:22px}h2{font-size:17px;margin-top:32px}.topbar{display:flex;gap:16px;align-items:center;padding:12px 24px;border-bottom:1px solid var(--line)}.topbar .brand{font-weight:700;text-decoration:none;margin-right:auto}.page{max-width:1200px;margin:0 auto;padding:16px 24px 64px}.narrow{max-width:420px;margin:80px auto;padding:0 16px}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.stack{gap:12px;border:0;padding:0;margin:0}.stack,label{display:flex;flex-direction:column}label{gap:4px;font-size:13px;color:var(--muted)}label.row{flex-direction:row;color:var(--fg)}input,select,textarea{font:inherit;padding:8px;border:1px solid var(--line);border-radius:6px;background:transparent;color:var(--fg)}textarea{font-family:ui-monospace,monospace;font-size:13px}.button,button{font:inherit;padding:8px 16px;border-radius:6px;border:1px solid var(--line);background:transparent;color:var(--fg);cursor:pointer;text-decoration:none}button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button.danger{color:var(--danger)}button.link{border:0;padding:0;color:var(--accent)}table{width:100%;border-collapse:collapse;margin-top:8px}td,th{text-align:left;padding:8px;border-bottom:1px solid var(--line);font-size:14px}.badge{font-size:12px;padding:2px 8px;border-radius:999px;border:1px solid var(--line)}.badge.requested{border-color:#d97706}.badge.approved,.badge.sending{border-color:var(--accent)}.badge.sent{background:var(--line)}.muted{color:var(--muted);font-size:13px}.error{color:var(--danger)}.ok{color:var(--accent)}.warn{background:var(--warn-bg);padding:8px 8px 8px 28px;border-radius:6px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));grid-gap:8px;gap:8px;margin:16px 0}.cards div{border:1px solid var(--line);border-radius:8px;padding:12px;display:flex;flex-direction:column}.cards b{font-size:22px}.cards span{font-size:12px;color:var(--muted)}.split{display:grid;grid-template-columns:1fr 1fr;grid-gap:24px;gap:24px;margin-top:24px}.preview{width:100%;height:640px;border:1px solid var(--line);border-radius:8px;background:#fff}@media (max-width:800px){.split{grid-template-columns:1fr}.page{padding:16px}}.topbar{flex-wrap:wrap}.topbar .brand{margin-right:8px}.nav{display:flex;gap:16px;margin-right:auto;flex-wrap:wrap}.nav a{text-decoration:none;color:var(--fg);font-size:14px}.nav a:hover{color:var(--accent)}.topbar .user{font-size:12px}.badge.active{border-color:var(--accent);color:var(--accent)}.badge.paused{border-color:var(--danger)}.actions{margin:16px 0}.narrowform{max-width:720px}.grid2{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}.cards b.small{font-size:14px}.savebar{position:-webkit-sticky;position:sticky;bottom:0;padding:12px 0;background:var(--bg);border-top:1px solid var(--line);z-index:2}ul.muted{padding-left:20px;line-height:1.8}.editor{display:grid;grid-template-columns:minmax(340px,1fr) minmax(380px,1.1fr);grid-gap:24px;gap:24px;align-items:start}.editor-preview{position:-webkit-sticky;position:sticky;top:8px;display:flex;flex-direction:column;gap:8px}.editor-preview .preview{height:calc(100vh - 160px);min-height:480px;margin:0 auto;display:block}.palette{display:flex;flex-wrap:wrap;gap:6px}.palette button{padding:4px 10px;font-size:13px}.blocks{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}.block{border:1px solid var(--line);border-radius:8px;padding:8px 10px}.block.open{border-color:var(--accent)}.block>.split2,.block>.stack,.block>label{margin-top:10px}.block-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.block-title{color:var(--fg);text-align:left;flex:1 1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.block-title .muted{margin-left:8px}.tools button{padding:2px 8px;font-size:13px}.tools button:disabled{opacity:.3;cursor:default}.split2{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px}label.color{flex-direction:row;align-items:center;gap:6px;color:var(--fg)}label.color input{padding:0;width:36px;height:28px;border:1px solid var(--line)}.settings summary{cursor:pointer;font-size:13px;color:var(--muted)}.settings .stack{margin-top:8px}.seg{gap:0}.seg button{border-radius:0;padding:4px 12px;font-size:13px}.seg button:first-child{border-radius:6px 0 0 6px}.seg button:last-child{border-radius:0 6px 6px 0;border-left:0}.seg button.on{background:var(--accent);color:#fff;border-color:var(--accent)}.textpreview{white-space:pre-wrap;font-size:12px;border:1px solid var(--line);border-radius:6px;padding:8px;max-height:320px;overflow:auto}@media (max-width:1000px){.editor{grid-template-columns:1fr}.editor-preview{position:static}.editor-preview .preview{height:560px}}@media (max-width:640px){.grid2,.split2{grid-template-columns:1fr}.nav{gap:10px}}