:root{--bg:#ececec;--bg-muted:#f7f7f7;--panel:#ffffff;--panel-strong:#ffffff;--border:#d6d6d6;--text:#333333;--text-muted:#666666;--accent:#ff5800;--accent-strong:#dc4600;--accent-soft:#ffe4d8;--warning:#ffb414;--solar:#ffd700;--danger:#dc4600;--radius:20px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{min-height:100vh;font-family:Segoe UI,SegoeUI,Arial,Helvetica,sans-serif;color:var(--text);background:radial-gradient(circle at top right,rgba(255,180,20,.35),transparent 38%),radial-gradient(circle at top left,rgba(255,88,0,.2),transparent 35%),linear-gradient(180deg,#f6f6f6,#ececec)}button,input,select,textarea{font:inherit}a{color:inherit}.page{max-width:1360px;margin:0 auto;padding:32px 20px 56px}.hero{display:grid;grid-gap:12px;gap:12px;margin-bottom:24px}.hero-badge{width:-moz-fit-content;width:fit-content;padding:8px 12px;border-radius:999px;border:1px solid #ffbe9a;background:#fff2ea;color:var(--accent-strong);font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:600}.hero h1{margin:0;font-size:clamp(2.2rem,4vw,4.25rem);line-height:1.02;font-weight:300;background:linear-gradient(90deg,#ffb414,#ff7a00 42%,#ff5800);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{max-width:980px;margin:0;color:var(--text-muted);font-size:1rem;line-height:1.6}.grid{display:grid;grid-gap:20px;gap:20px;grid-template-columns:minmax(360px,450px) minmax(0,1fr)}.card{background:linear-gradient(180deg,#ffffff,#fcfcfc);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 26px rgba(0,0,0,.08)}.panel{padding:22px}.section-title{margin:0 0 14px;font-size:1rem;font-weight:600}.form,.history{display:grid;grid-gap:14px;gap:14px}.label{display:grid;grid-gap:8px;gap:8px;color:var(--text-muted);font-size:.94rem}.empty,.field-hint,.hint,.status{color:var(--text-muted);font-size:.92rem;line-height:1.5}.field-error,.status.error{color:var(--danger)}.field-error{font-size:.86rem;line-height:1.4}.input,.select,.textarea{width:100%;border-radius:14px;border:1px solid #cccccc;background:#ffffff;color:var(--text);padding:14px 15px}.textarea{min-height:220px;resize:vertical}.button:focus,.history-item:focus,.input:focus,.link-button:focus,.select:focus,.textarea:focus{outline:2px solid var(--accent);outline-offset:2px}.toggle{display:flex;align-items:center;gap:10px;color:var(--text-muted);font-size:.92rem}.toggle input{width:18px;height:18px;accent-color:var(--accent)}.button-row{display:flex;flex-wrap:wrap;gap:10px}.button,.history-item,.link-button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;border-radius:14px;cursor:pointer;text-decoration:none}.button,.link-button{padding:0 16px;border:0}.button.primary{color:white;background:linear-gradient(90deg,var(--warning) 0,var(--accent) 65%)}.button.secondary,.link-button{color:var(--text);border:1px solid #cccccc;background:#f6f6f6}.button.tertiary{color:var(--accent-strong);border:1px solid #ffd3bf;background:#fff4ee}.viewer{min-height:760px;display:grid;align-content:start;grid-gap:14px;gap:14px}.viewer-frame{width:100%;min-height:660px;border:0;border-radius:16px;background:#fff}.svg-panel,.viewer-image{width:100%;border-radius:16px;border:1px solid var(--border);background:white}.code{overflow:auto;border-radius:16px;padding:16px;background:#f7f7f7;border:1px solid #d7d7d7;color:#333333;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.84rem}.meta-grid{display:grid;grid-gap:10px;gap:10px;grid-template-columns:repeat(3,minmax(0,1fr))}.history-item,.meta-item{padding:14px;border-radius:14px;background:#f8f8f8;border:1px solid #d8d8d8}.history-item strong,.meta-item strong{display:block;margin-bottom:6px}.history-list{display:grid;grid-gap:8px;gap:8px}.history-item{width:100%;justify-content:space-between;gap:12px;color:var(--text);background:linear-gradient(180deg,#fff4ee,#fff9f6);text-align:left}.history-item span{color:var(--text-muted);font-size:.88rem}@media (max-width:980px){.grid{grid-template-columns:1fr}.viewer{min-height:auto}.meta-grid{grid-template-columns:1fr}.history-item{flex-direction:column;align-items:flex-start}}