:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #19263d;
  background: #f8f9fc;
  font-synthesis: none;
  --blue: #315fe9;
  --ink: #19263d;
  --muted: #627086;
  --line: #e5e9f1;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: radial-gradient(ellipse at 85% 7%, #edf2ff 0, transparent 37%), #f9f9f7; }
button, input { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, .dropzone:focus-within { outline: 3px solid #315fe9; outline-offset: 5px; }
button:disabled { cursor: not-allowed; opacity: .45; }
button:not(:disabled) { cursor: pointer; }
.page-shell { max-width: 1168px; padding: 0 44px; margin: auto; }
.site-header { height: 108px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); gap: 20px; }
.wordmark { display: inline-flex; gap: 8px; align-items: center; text-decoration: none; color: var(--ink); font-size: 29px; font-weight: 750; letter-spacing: -1.5px; }
.brand-icon { width: 36px; height: 36px; color: var(--blue); }
.wordmark-dot { color: var(--blue); }
.header-note { display: flex; align-items: center; gap: 8px; color: #647086; font-size: 12px; }
.privacy-dot { width: 6px; height: 6px; background: #648d78; border-radius: 50%; }
.intro { padding: 65px 0 39px; }
.eyebrow, .step-label { font-size: 10px; font-weight: 700; letter-spacing: .14em; }
.eyebrow { margin: 0 0 19px; color: var(--blue); }
h1 { font-size: clamp(38px, 5.2vw, 61px); letter-spacing: -.055em; line-height: 1.1; font-weight: 650; margin: 0; }
h1 span { color: var(--blue); }
.intro-copy { font-size: 16px; line-height: 1.75; color: var(--muted); max-width: 540px; margin: 22px 0 0; }
.workspace { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); gap: 58px; align-items: start; }
.upload-card { padding: 31px; background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 12px 38px #233d7410, 0 2px 5px #233d7403; min-width: 0; }
.card-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.step-label { color: #7b8799; margin: 0 0 10px; font-size: 9px; }
h2 { font-size: 22px; line-height: 1.35; letter-spacing: -.035em; font-weight: 650; margin: 0; }
.format-badge { border: 1px solid var(--line); border-radius: 11px; padding: 10px 11px; font-size: 13px; font-weight: 600; color: #8b96a8; background: #fafbfd; }
.access-status { display: flex; align-items: flex-start; gap: 7px; font-size: 11px; line-height: 1.6; color: var(--muted); margin: 16px 0 20px; }
.access-indicator { flex: 0 0 5px; height: 5px; background: #a9b2c2; border-radius: 50%; margin-top: 6px; }
.access-status.is-ready .access-indicator { background: #538c71; }
.access-status.is-error { color: #a23f32; }
.access-status.is-error .access-indicator { background: #be5748; }
.dropzone { position: relative; display: flex; align-items: center; flex-direction: column; padding: 28px 18px 25px; background: #f7f9ff; border: 1px dashed #b9c8ec; border-radius: 13px; text-align: center; cursor: pointer; transition: background .15s, border-color .15s; overflow: hidden; }
.dropzone:not(.is-disabled):hover, .dropzone.drag { background: #edf2ff; border-color: var(--blue); }
.dropzone.is-disabled { cursor: default; opacity: .65; }
.upload-symbol { display: grid; place-items: center; width: 48px; height: 48px; color: var(--blue); border: 1px solid #dfe7fa; background: #fff; border-radius: 14px; margin-bottom: 16px; box-shadow: 0 3px 8px #315fe907; }
.upload-symbol svg { width: 27px; height: 27px; }
.dropzone strong { font-size: 15px; font-weight: 600; }
.drop-copy { color: var(--muted); font-size: 12px; margin-top: 6px; }
.file-limit { font-size: 10px; color: #7a879b; margin-top: 19px; letter-spacing: .02em; }
.file-input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; cursor: pointer; }
.file-input:disabled { cursor: default; }
.selection { display: flex; align-items: center; gap: 12px; padding: 18px 0 0; }
.file-symbol { flex-shrink: 0; display: grid; place-items: center; height: 38px; width: 34px; background: #edf2ff; border-radius: 6px; color: var(--blue); font-size: 9px; letter-spacing: .04em; font-weight: 700; }
.file-details { min-width: 0; flex: 1; }
.file-details h3 { font-size: 12px; font-weight: 600; line-height: 1.5; overflow-wrap: anywhere; margin: 0; }
.file-details p { color: #7a879b; font-size: 11px; margin: 3px 0 0; }
.file-state { color: var(--muted); font-size: 10px; flex-shrink: 0; }
.transfer { margin-top: 22px; }
.progress-heading { display: flex; justify-content: space-between; gap: 10px; font-size: 12px; }
.progress-heading strong { color: var(--blue); font-variant-numeric: tabular-nums; }
progress { width: 100%; height: 6px; appearance: none; -webkit-appearance: none; background: #edf0f6; border: 0; border-radius: 8px; overflow: hidden; display: block; margin: 10px 0; }
progress::-webkit-progress-bar { background: #edf0f6; border-radius: 8px; }
progress::-webkit-progress-value { background: var(--blue); border-radius: 8px; transition: width .15s; }
progress::-moz-progress-bar { background: var(--blue); border-radius: 8px; }
.transfer-detail { display: flex; justify-content: space-between; gap: 6px 15px; flex-wrap: wrap; font-size: 10px; color: #738198; line-height: 1.7; font-variant-numeric: tabular-nums; }
.status { font-size: 11px; line-height: 1.75; color: var(--muted); overflow-wrap: anywhere; margin: 18px 0; }
.status.error { color: #a23f32; background: #fff4f1; padding: 12px; border-radius: 8px; }
.status.success { color: #347057; }
.actions { display: flex; gap: 9px; }
.button { border: 1px solid transparent; border-radius: 9px; padding: 13px 17px; font-size: 12px; font-weight: 600; min-height: 44px; transition: background .15s, box-shadow .15s; }
.button-primary { color: #fff; background: var(--blue); display: flex; align-items: center; justify-content: space-between; gap: 18px; flex: 1; box-shadow: 0 3px 6px #315fe91c; }
.button-primary:not(:disabled):hover { background: #214cd1; box-shadow: 0 4px 12px #315fe92b; }
.button-primary > span:last-child { font-size: 18px; line-height: 1; }
.button-secondary { color: var(--ink); background: #fff; border-color: #dce2ec; }
.button-secondary:hover { background: #f6f8fc; }
.card-footnote { display: flex; align-items: flex-start; justify-content: center; gap: 5px; color: #7b8799; font-size: 9px; line-height: 1.7; margin: 15px 0 0; }
.card-footnote svg { width: 13px; height: 13px; flex-shrink: 0; margin-top: 1px; }
.guide { padding-top: 26px; }
.guide-icon { display: grid; place-items: center; width: 34px; height: 34px; background: #ecf0fb; border: 1px solid #e3e9f8; border-radius: 50%; color: var(--blue); margin-bottom: 18px; font-size: 20px; }
.guide h2 { font-size: 23px; line-height: 1.4; }
.guide-list { padding: 0; margin: 28px 0; list-style: none; }
.guide-list li { display: flex; align-items: flex-start; gap: 13px; margin-top: 23px; }
.guide-number { font-size: 9px; font-weight: 600; color: #9ca9be; padding-top: 4px; }
.guide h3 { font-size: 12px; font-weight: 650; margin: 0 0 7px; }
.guide-list p, .keep-open p { font-size: 11px; line-height: 1.85; color: #6c798d; margin: 0; }
.keep-open { display: flex; gap: 12px; border-top: 1px solid var(--line); padding-top: 21px; }
.keep-open > span { color: #8e9bb0; }
.keep-open p { font-size: 10px; }
.receipt { display: flex; gap: 14px; padding: 21px 17px; margin-top: 22px; background: #f1f8f3; border: 1px solid #dcebe0; border-radius: 11px; }
.receipt-check { width: 26px; height: 26px; border-radius: 50%; background: #d8eddf; color: #347057; display: grid; place-items: center; flex-shrink: 0; }
.receipt .step-label { color: #557f66; }
.receipt h3 { margin: 0; font-size: 17px; letter-spacing: -.03em; }
.receipt p:not(.step-label) { font-size: 11px; line-height: 1.7; color: #567361; }
.receipt-details { margin: 15px 0 0; font-size: 10px; }
.receipt-details > div { margin-top: 8px; }
.receipt-details dt { color: #688572; }
.receipt-details dd { margin: 3px 0 0; color: #2c563d; overflow-wrap: anywhere; }
.receipt-id { font-family: ui-monospace, monospace; user-select: all; }
.history { margin-top: 42px; border: 1px solid var(--line); background: #ffffffa8; border-radius: 15px; padding: 25px 28px; }
.history-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.history h2 { font-size: 19px; }
.history-count { color: #7b8799; background: #eff2f8; border-radius: 20px; padding: 5px 10px; font-size: 11px; }
.history-hint { color: var(--muted); font-size: 11px; line-height: 1.8; margin: 13px 0; }
.uploads { list-style: none; padding: 0; margin: 0; }
.uploads li { border-top: 1px solid var(--line); padding: 14px 0; display: flex; gap: 15px; justify-content: space-between; align-items: flex-start; }
.uploads li:last-child { padding-bottom: 0; }
.upload-name { font-size: 12px; font-weight: 600; line-height: 1.5; overflow-wrap: anywhere; margin: 0; }
.upload-meta { display: block; color: #7b8799; font-size: 10px; line-height: 1.8; margin-top: 4px; overflow-wrap: anywhere; }
.upload-badge { font-size: 9px; white-space: nowrap; background: #edf2ff; color: #5373be; padding: 5px 8px; border-radius: 5px; }
.upload-badge.complete { color: #447b5e; background: #eaf4ed; }
.site-footer { display: flex; align-items: center; gap: 21px; padding: 45px 0 29px; margin-top: 18px; color: #8390a3; }
.site-footer > span:first-child { font-size: 18px; font-weight: 700; letter-spacing: -.8px; color: #7e8ba0; }
.site-footer p { font-size: 10px; margin: 0; }
.footer-detail { font-size: 9px; margin-left: auto; }
.noscript { padding: 20px; color: #a23f32; background: #fff4f1; border: 1px solid #f0d5cd; border-radius: 10px; }
@media (min-width: 1200px) { .page-shell { max-width: 1180px; } }
@media (max-width: 850px) { .page-shell { padding: 0 28px; } .workspace { gap: 30px; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); } .upload-card { padding: 24px; } .guide h2 { font-size: 20px; } }
@media (max-width: 680px) {
  .page-shell { padding: 0 20px; max-width: 560px; }
  .site-header { height: 82px; }
  .wordmark { font-size: 25px; }
  .brand-icon { width: 30px; height: 30px; }
  .header-note { font-size: 9px; max-width: 130px; line-height: 1.6; }
  .intro { padding: 42px 0 29px; }
  h1 { font-size: clamp(34px, 8.6vw, 48px); }
  .eyebrow { font-size: 8px; margin-bottom: 16px; }
  .intro-copy { font-size: 13px; margin-top: 18px; }
  .workspace { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .upload-card { padding: 23px; border-radius: 16px; }
  h2 { font-size: 21px; }
  .guide { padding: 0 7px; }
  .guide-icon { display: none; }
  .guide h2 { font-size: 22px; }
  .guide h2 br { display: none; }
  .guide-list { margin: 23px 0; }
  .guide-list li { margin-top: 20px; }
  .guide-list p { font-size: 12px; }
  .guide h3 { font-size: 13px; }
  .keep-open p { font-size: 11px; }
  .history { margin-top: 30px; padding: 23px; }
  .uploads li { flex-wrap: wrap; gap: 8px; }
  .site-footer { padding: 30px 0 25px; gap: 12px; flex-wrap: wrap; }
  .footer-detail { margin-left: 0; width: 100%; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } }