:root{color-scheme:dark;--ink-900: #0d0f0f;--ink-850: #121514;--ink-800: #171b1a;--ink-700: #1e2321;--ink-600: #2a302e;--line: #2c3230;--line-soft: #242a28;--text: #e7ebe8;--text-dim: #a4aea9;--text-faint: #6d7975;--accent: #7bb6a6;--accent-ink: #0e1614;--accent-glow: rgba(123, 182, 166, .16);--danger: #c9756a;--ok: #7bb6a6;--radius: 12px;--radius-sm: 8px;--serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", "Songti SC", "Noto Serif JP", "Times New Roman", serif;--sans: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", system-ui, -apple-system, "Segoe UI", sans-serif;--mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", "Menlo", monospace;--shadow: 0 24px 60px -30px rgba(0, 0, 0, .8)}:root[data-theme=washi]{color-scheme:light;--ink-900: #efece4;--ink-850: #f3f0e9;--ink-800: #f7f4ee;--ink-700: #fbf9f4;--ink-600: #ffffff;--line: #ddd7ca;--line-soft: #e6e0d4;--text: #24302c;--text-dim: #55605b;--text-faint: #8a938d;--accent: #3f7d6d;--accent-ink: #ffffff;--accent-glow: rgba(63, 125, 109, .12);--shadow: 0 24px 60px -34px rgba(60, 60, 40, .35)}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100%}body{background:radial-gradient(120% 90% at 50% -10%,var(--ink-800),var(--ink-900) 60%),var(--ink-900);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;line-height:1.5}.stage{min-height:100vh;min-height:100dvh;display:grid;grid-template-rows:1fr auto;place-items:center;padding:clamp(1.5rem,5vw,4rem)}.veil{width:100%;max-width:27rem;display:flex;flex-direction:column;gap:2rem}.panel{background:linear-gradient(180deg,var(--ink-700),var(--ink-800));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:clamp(1.75rem,5vw,2.5rem)}.mark{display:flex;flex-direction:column;align-items:center;gap:.35rem;text-align:center}.mark__glyph{font-family:var(--serif);font-size:clamp(3rem,12vw,4.5rem);line-height:1;color:var(--text);letter-spacing:.04em}.mark__word{font-family:var(--serif);font-size:1.05rem;letter-spacing:.5em;text-transform:uppercase;color:var(--text-dim);padding-left:.5em}.mark__sub{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--text-faint)}.eyebrow{font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--text-faint);margin:0 0 .5rem}h1.title{font-family:var(--serif);font-weight:500;font-size:clamp(1.35rem,4vw,1.7rem);margin:0 0 .35rem;letter-spacing:.01em}.lede{margin:0 0 1.75rem;color:var(--text-dim);font-size:.92rem}.field{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1.15rem}.field label{font-size:.8rem;letter-spacing:.04em;color:var(--text-dim)}.input{width:100%;background:var(--ink-850);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--text);font:inherit;font-size:.95rem;padding:.72rem .85rem;transition:border-color .18s ease,box-shadow .18s ease}.input::placeholder{color:var(--text-faint)}.input:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.input.code{font-family:var(--mono);letter-spacing:.5em;text-align:center;font-size:1.3rem;padding-left:.5em}.btn{width:100%;border:1px solid transparent;border-radius:var(--radius-sm);background:var(--accent);color:var(--accent-ink);font:inherit;font-weight:600;letter-spacing:.04em;padding:.8rem 1rem;cursor:pointer;transition:filter .18s ease,transform .08s ease}.btn:hover{filter:brightness(1.06)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn--ghost{background:transparent;border-color:var(--line);color:var(--text-dim)}.btn--ghost:hover{color:var(--text);border-color:var(--accent)}.btn--danger{background:transparent;border-color:var(--danger);color:var(--danger)}.row{display:flex;gap:.75rem;align-items:center}.spread{display:flex;justify-content:space-between;align-items:center;gap:1rem}.notice{border-radius:var(--radius-sm);padding:.7rem .85rem;font-size:.86rem;margin-bottom:1.15rem;border:1px solid var(--line);background:var(--ink-850);color:var(--text-dim)}.notice--error{border-color:color-mix(in srgb,var(--danger) 55%,var(--line));color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,var(--ink-850))}.notice--ok{border-color:color-mix(in srgb,var(--ok) 45%,var(--line));color:var(--ok);background:color-mix(in srgb,var(--ok) 10%,var(--ink-850))}.muted{color:var(--text-faint);font-size:.82rem}a.link{color:var(--accent);text-decoration:none;border-bottom:1px solid transparent}a.link:hover{border-bottom-color:var(--accent)}.divider{height:1px;background:var(--line-soft);border:0;margin:1.5rem 0}.qr{display:grid;place-items:center;padding:1rem;background:#fff;border-radius:var(--radius-sm);width:fit-content;margin:0 auto 1rem}.qr :global(svg){display:block;width:180px;height:180px}.keybox{font-family:var(--mono);font-size:.82rem;word-break:break-all;background:var(--ink-850);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.7rem .85rem;color:var(--text-dim)}.codes{list-style:none;margin:.75rem 0 0;padding:.9rem;display:grid;grid-template-columns:1fr 1fr;gap:.5rem 1rem;background:var(--ink-850);border:1px dashed var(--line);border-radius:var(--radius-sm);font-family:var(--mono);font-size:.9rem;color:var(--text)}.sessions{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.6rem}.sessions li{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.7rem .85rem;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--ink-850);font-size:.85rem}.tag{font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 45%,var(--line));border-radius:999px;padding:.1rem .55rem}.foot{color:var(--text-faint);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;padding-top:2rem}@media(max-width:420px){.codes{grid-template-columns:1fr}}