/* Reading layout, scoped to the independent introduction page. */
:root{color-scheme:dark;--bg-dark:#0a0e14;--bg-panel:#0d1117;--accent-cyan:#00d4ff;--accent-purple:#a855f7;--border:#303d4f;--text-muted:#adb9ca}
*{box-sizing:border-box}body{margin:0;background:var(--bg-dark);color:#e6edf3;font:16px/1.95 "Noto Sans JP",sans-serif}a{color:#80e2ed;text-underline-offset:4px}a:hover{color:#b4efff}a:focus-visible{outline:3px solid #ffcc66;outline-offset:5px}header,main,footer{max-width:1000px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}.hagium-home{font-family:Orbitron,sans-serif;font-size:22px}section{padding:56px 0;border-bottom:1px solid var(--border)}.hero{padding-top:40px}h1{font-size:clamp(28px,4.6vw,44px);line-height:1.5;letter-spacing:.02em;margin:16px 0 24px}h2{font-size:clamp(23px,3.2vw,30px);line-height:1.6;margin:12px 0 26px}p{margin:0 0 22px;overflow-wrap:anywhere}.eyebrow{font:600 12px/1.5 "JetBrains Mono",monospace;letter-spacing:.16em;color:#80e2ed}.language-note,.note,.external-note{font-size:13px;color:var(--text-muted);line-height:1.8}.language-note{border-left:2px solid var(--border);padding-left:14px}.button{display:inline-flex;gap:28px;align-items:center;min-height:48px;background:linear-gradient(120deg,#12374b,#282045);border:1px solid #5fbfd4;border-radius:9px;padding:12px 22px;color:#e6faff;text-decoration:none;font-weight:500;margin-top:12px}.features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;list-style:none;padding:0;margin:32px 0 20px}.features li{padding:20px;border:1px solid var(--border);background:var(--bg-panel);border-radius:12px}.features strong{display:block;color:#91e9f6;margin-bottom:8px}.features span{display:block;font-size:14px;color:#c5cfdb}.external-note{display:block;margin-top:8px}.image-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin:30px 0}figure{margin:0;min-width:0}.image-frame{aspect-ratio:3/2;background:#101824;border:1px solid #40516a;border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center}.image-frame img{width:100%;height:100%;object-fit:contain}.image-frame img[hidden],.image-placeholder[hidden]{display:none}.image-placeholder{text-align:center;padding:20px}.image-placeholder p{margin:18px 0 0}.era{font:600 14px "JetBrains Mono",monospace;color:#b8a2ef}figcaption{font-size:13px;line-height:1.8;margin-top:14px;color:#c5cfdb}.comparison-table{border:1px solid var(--border);border-radius:12px;overflow:hidden}table{border-collapse:collapse;width:100%;table-layout:fixed;font-size:14px}th,td{text-align:left;padding:16px;border-bottom:1px solid var(--border);overflow-wrap:anywhere}thead{background:#172332}thead th{color:#a6eaf6}th:first-child{width:24%}tbody th{color:#c9d5e4}tbody tr:last-child>*{border-bottom:0}.pause{color:#cab8f2;margin:32px 0}.future{border-bottom:0}footer{display:flex;justify-content:center;gap:12px 24px;flex-wrap:wrap;border-top:1px solid var(--border);font-size:13px;color:var(--text-muted);padding-bottom:40px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip-link{position:absolute;left:16px;top:-100px;padding:10px;background:#0d1117;z-index:10}.skip-link:focus{top:10px}@media(max-width:640px){header,main,footer{padding-left:20px;padding-right:20px}section{padding:40px 0}.image-pair,.features{grid-template-columns:1fr}.wide-break{display:none}th,td{padding:12px 8px;font-size:12px}th:first-child{width:23%}body{font-size:15px}.image-pair{gap:30px}}

.about-language{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-muted)}.about-language select{font:inherit;color:#e6edf3;background:var(--bg-panel);border:1px solid var(--border);border-radius:6px;padding:8px;min-height:44px}.about-language select:focus-visible{outline:3px solid #ffcc66;outline-offset:3px}.time-comparison{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:28px 0 12px}.time-card{display:flex;flex-direction:column;gap:4px;padding:18px 20px;background:var(--bg-panel);border:1px solid var(--border);border-left:2px solid #5fbfd4;border-radius:8px;font-size:13px;color:var(--text-muted);overflow-wrap:anywhere}.time-card strong{font-size:24px;font-weight:500;color:#91e9f6;line-height:1.6}.time-note{margin-top:12px}@media(max-width:640px){.time-comparison{grid-template-columns:1fr}.time-card{padding:16px}.comparison-table th:first-child{width:30%}}