:root{color-scheme:light;--bg: #f4f5f7;--surface: #ffffff;--surface-2: #f8f9fb;--surface-3: #eef0f4;--border: #e3e6eb;--border-strong: #cfd4dc;--ink: #111827;--muted: #5b6472;--subtle: #8b93a1;--accent: #4b5cf0;--accent-hover: #3d4ddb;--accent-ink: #ffffff;--accent-soft: #eef0fe;--accent-ring: rgba(75, 92, 240, .28);--danger: #c62828;--danger-soft: #fdecec;--success: #1b7f4b;--success-soft: #e6f5ec;--warning: #9a6700;--warning-soft: #fff6e0;--shadow-1: 0 1px 2px rgba(17, 24, 39, .04), 0 1px 3px rgba(17, 24, 39, .06);--shadow-2: 0 4px 12px -2px rgba(17, 24, 39, .08), 0 2px 4px rgba(17, 24, 39, .04);--shadow-3: 0 24px 56px -16px rgba(17, 24, 39, .28), 0 8px 16px -8px rgba(17, 24, 39, .12);--radius-card: 16px;--radius-control: 10px;--radius-pill: 999px;--ease: cubic-bezier(.2, .8, .2, 1);--font: -apple-system, BlinkMacSystemFont, "Inter", "Hiragino Sans", "Noto Sans JP", "Segoe UI", sans-serif;--font-mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%}body{font-family:var(--font);font-size:15px;line-height:1.6;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(45% 40% at 12% 8%,rgba(75,92,240,.18),transparent 70%),radial-gradient(40% 38% at 88% 18%,rgba(56,189,248,.16),transparent 70%),radial-gradient(50% 45% at 78% 92%,rgba(168,85,247,.16),transparent 70%),radial-gradient(38% 34% at 18% 86%,rgba(45,212,191,.12),transparent 70%)}h1,h2,h3{letter-spacing:-.01em;line-height:1.3}a{color:var(--accent)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-1)}.card--glass{position:relative;background:#ffffff94;backdrop-filter:blur(28px) saturate(1.6);-webkit-backdrop-filter:blur(28px) saturate(1.6);border:1px solid rgba(255,255,255,.85);box-shadow:inset 0 1px #fff,inset 0 0 40px -20px #ffffffe6,0 1px 2px #1118270a,0 24px 60px -28px #11182759}.card--glass:before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(120% 40% at 50% -10%,#ffffffb3,#fff0 60%)}.card--glass>*{position:relative}.card--glass .card__section+.card__section{border-top-color:#11182714}.card--glass .card__section--muted{background:#11182709}.card--glass .list>li+li{border-top-color:#11182714}.card--glass .row-card{background:#ffffffb3;border-color:#ffffffe6}@media(prefers-reduced-transparency:reduce){body:before{display:none}.card--glass{background:var(--surface);backdrop-filter:none;-webkit-backdrop-filter:none;border-color:var(--border)}.card--glass:before{display:none}}.card__section{padding:1.25rem 1.5rem}.card__section+.card__section{border-top:1px solid var(--border)}.card__section--muted{background:var(--surface-2)}.row-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-control)}.list{list-style:none;margin:0;padding:0}.list>li{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 0}.list>li+li{border-top:1px solid var(--border)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:42px;padding:0 1.1rem;border:1px solid var(--border-strong);border-radius:var(--radius-control);font:inherit;font-weight:600;color:var(--ink);background:var(--surface);box-shadow:var(--shadow-1);cursor:pointer;white-space:nowrap;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;transition:background-color .15s var(--ease),border-color .15s var(--ease),box-shadow .15s var(--ease),transform .1s var(--ease)}.btn:hover{background:var(--surface-2)}.btn:active{transform:translateY(1px);box-shadow:none}.btn:focus-visible{outline:none;box-shadow:0 0 0 3px var(--accent-ring)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn--primary{color:var(--accent-ink);background:var(--accent);border-color:var(--accent)}.btn--primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn--ghost{color:var(--accent);background:transparent;border-color:transparent;box-shadow:none}.btn--ghost:hover{background:var(--accent-soft)}.btn--danger{color:var(--danger)}.btn--danger:hover{background:var(--danger-soft);border-color:color-mix(in srgb,var(--danger) 40%,var(--border-strong))}.btn--block{width:100%}.btn--sm{min-height:34px;padding:0 .8rem;font-size:.875rem;border-radius:8px}.icon-btn{width:34px;height:34px;min-height:34px;padding:0;border-radius:50%;box-shadow:none;color:var(--muted)}.icon-btn:hover{color:var(--ink)}.field{display:block;width:100%;min-height:42px;padding:.55rem .9rem;border:1px solid var(--border-strong);border-radius:var(--radius-control);font:inherit;color:var(--ink);background:var(--surface);outline:none;transition:border-color .15s var(--ease),box-shadow .15s var(--ease)}.field::placeholder{color:var(--subtle)}.field:hover{border-color:color-mix(in srgb,var(--border-strong) 60%,var(--muted))}.field:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring)}.field:disabled{background:var(--surface-3);color:var(--muted)}.field--code{font-family:var(--font-mono);font-size:1.5rem;letter-spacing:.35em;text-align:center}select.field{appearance:none;padding-right:2.2rem;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none' stroke='%235b6472' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;cursor:pointer}.label{display:block;margin-bottom:.4rem;font-size:.875rem;font-weight:600;color:var(--ink)}.hint{margin:.5rem 0 0;font-size:.8125rem;color:var(--muted)}.error-text{margin:.75rem 0 0;font-size:.875rem;color:var(--danger)}.form-row{display:flex;flex-wrap:wrap;align-items:stretch;gap:.6rem}.form-row .field,.form-row .chips-field{flex:1 1 14rem;min-width:0}.form-row .btn{flex:0 0 auto}.page{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:3rem 1rem 4rem}.sheet{width:100%;max-width:560px;display:grid;gap:1.25rem}.brand{text-align:center}.brand__logo{display:block;width:min(180px,50vw);height:auto;margin:0 auto 1rem}.brand h1{margin:0;font-size:1.5rem;font-weight:700}.brand p{margin:.25rem 0 0;font-size:.875rem;color:var(--muted)}.dropzone{display:block;width:100%;padding:1.4rem 1rem;border:1px dashed 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.dropzone__main{font-size:1rem}.file-name{font-weight:600;overflow-wrap:anywhere}.progress{margin-top:.5rem;height:6px;border-radius:var(--radius-pill);background:var(--surface-3);overflow:hidden}.progress__bar{height:100%;border-radius:var(--radius-pill);background:var(--accent);transition:width .2s var(--ease)}.progress__bar--error{background:var(--danger)}.badge{display:inline-flex;align-items:center;gap:.3rem;padding:.1rem .55rem;border-radius:var(--radius-pill);font-size:.75rem;font-weight:600;color:var(--accent);background:var(--accent-soft)}.badge--success{color:var(--success);background:var(--success-soft)}.badge--danger{color:var(--danger);background:var(--danger-soft)}.badge--neutral{color:var(--muted);background:var(--surface-3)}.chips-field{display:flex;flex-wrap:wrap;align-items:center;gap:.35rem;min-height:42px;padding:.3rem .5rem;border:1px solid var(--border-strong);border-radius:var(--radius-control);background:var(--surface);cursor:text;transition:border-color .15s var(--ease),box-shadow .15s var(--ease)}.chips-field:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring)}.chips-field--disabled{opacity:.6}.chips-field__input{flex:1 1 12ch;min-width:12ch;border:0;outline:none;background:transparent;font:inherit;color:var(--ink);padding:.3rem .25rem}.chip{display:inline-flex;align-items:center;gap:.15rem;max-width:100%;padding:.1rem .3rem .1rem .2rem;border-radius:var(--radius-pill);font-size:.875rem;color:var(--ink);background:var(--surface-3);border:1px solid var(--border)}.chip__text,.chip__x{border:0;background:transparent;font:inherit;color:inherit;cursor:pointer}.chip__text{padding:.15rem .35rem;border-radius:var(--radius-pill);overflow-wrap:anywhere;text-align:left}.chip--invalid{color:var(--danger);background:var(--danger-soft);border-color:color-mix(in srgb,var(--danger) 40%,transparent);text-decoration:underline wavy;text-underline-offset:3px}.chip__x{display:inline-grid;place-items:center;width:1.3rem;height:1.3rem;border-radius:50%;color:var(--muted);font-size:1rem;line-height:1}.chip__x:hover{background:var(--border);color:var(--ink)}@media(prefers-contrast:more){:root{--border: #b9c0cb;--border-strong: #8b93a1;--muted: #414957}}@media(prefers-reduced-motion:reduce){.btn,.field,.chips-field,.dropzone,.progress__bar{transition:none}.btn:active{transform:none}}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}.section-head__title{margin:0;font-size:.9375rem;font-weight:600}.section-head__meta{font-size:.8125rem;color:var(--muted);white-space:nowrap}.file-name{overflow-wrap:anywhere}.file-row__end{display:flex;flex:0 0 auto;align-items:center;gap:.75rem}.file-size{font-size:.8125rem;color:var(--muted);white-space:nowrap}.step-lead{margin:0 0 .85rem;font-size:.875rem}.step-lead strong{overflow-wrap:anywhere}.step-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem;margin-top:.75rem}.step-actions .hint{margin:0}.hint--center{text-align:center}.notes{margin:1rem 0 0;padding:.85rem 1rem .85rem 1.9rem;border-top:1px solid var(--border);font-size:.8125rem;color:var(--muted);line-height:1.6}.notes li+li{margin-top:.25rem}