:root {
  color-scheme: light;
  --paper: #ffffff;
  --ink: #151515;
  --muted: #737373;
  --line: #dedede;
  --soft: #f2f2f2;
  --accent: #5e5e5e;
  font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Yu Gothic', Meiryo, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-size: 14px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
body.dialog-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { cursor: pointer; }
button:disabled { opacity: .6; cursor: wait; }
h1, h2, p, dl, dd { margin: 0; }
::selection { background: #e2e2e2; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.page-width { width: min(100% - 112px, 980px); margin-inline: auto; }
.header { height: 112px; display: flex; justify-content: space-between; align-items: center; }
.wordmark { display: flex; align-items: center; gap: 14px; font-size: 22px; font-weight: 700; font-style: italic; letter-spacing: -1px; }
.brand-mark { display: grid; place-items: center; flex-shrink: 0; width: 43px; height: 43px; border: 1.5px solid var(--ink); border-radius: 50%; font-size: 25px; font-weight: 600; font-style: normal; letter-spacing: 0; line-height: 1; }
.x-link { display: flex; align-items: center; gap: 15px; font-size: 14px; padding: 12px 0 12px 20px; }
.profile-avatar { display: block; flex-shrink: 0; width: 40px; height: 40px; overflow: hidden; border-radius: 50%; border: 1px solid var(--line); }
.profile-avatar img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 47%; transform: scale(1.08); }
.x-link span { font-size: 19px; }
.layout { display: grid; grid-template-columns: 1fr 1fr; gap: 74px; padding-top: 33px; padding-bottom: 55px; }
.overline { font-size: 10px; letter-spacing: .12em; margin-bottom: 21px; }
h1 { font-size: 52px; font-weight: 400; letter-spacing: -.025em; line-height: 1.2; }
h1>span { color: #858585; }
.intro-note { margin-top: 20px; font-size: 12px; color: #626262; }
.specs { margin-top: 25px; padding: 12px 17px; background: #f5f5f5; border-radius: 12px; }
.format-meta { color: #616161; margin-left: 7px; font-size: 11px; white-space: nowrap; }
.specs>div { display: grid; grid-template-columns: 76px 1fr; padding-block: 8px; font-size: 12px; }
.specs dt { color: var(--muted); }
.delivery-note { margin-top: 13px; color: #646464; font-size: 11px; line-height: 1.9; }
.gear-section { margin-top: 37px; border-top: 1px solid var(--line); padding-top: 24px; }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 18px; }
.section-heading h2 { font-size: 16px; font-weight: 500; letter-spacing: .035em; }
.section-heading>span { color: var(--muted); font-size: 10px; letter-spacing: .035em; }
.gear-list>div { display: grid; grid-template-columns: 93px 1fr; align-items: baseline; font-size: 12px; line-height: 1.7; padding-block: 7px; }
.gear-list dt { color: var(--muted); font-size: 11px; }
.gear-list dd { font-size: 13px; }
.plugins { margin-top: 12px; }
.plugins summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: 11px; cursor: pointer; color: #656565; min-height: 44px; }
.plugins summary::-webkit-details-marker { display: none; }
.plugins summary span { font-size: 16px; }
.plugins[open] summary span { transform: rotate(45deg); }
.plugins ul { margin: 0; padding: 6px 0 0; list-style: none; font-size: 12px; line-height: 1.9; color: #666666; }
.plugins p { margin: 10px 0 0; font-size: 11px; line-height: 1.9; color: #666666; }
.request-section { padding-top: 0; }
.request-section .section-heading { margin-bottom: 15px; }
.request-note { font-size: 12px; color: #636363; line-height: 1.95; margin-bottom: 25px; }
.instrument-field { border: 0; padding: 0; margin: 0 0 23px; min-width: 0; }
.instrument-field legend { padding: 0; font-size: 12px; margin-bottom: 9px; }
.required, .optional { font-size: 10px; color: var(--muted); margin-left: 6px; }
.required { color: #5f5f5f; }
.instrument-options { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; }
.instrument-options label { position: relative; cursor: pointer; }
.instrument-options input { position: absolute; left: 50%; bottom: 3px; opacity: 0; width: 1px; height: 1px; }
.instrument-options label>span { display: flex; align-items: center; justify-content: center; height: 43px; border: 1px solid #cdcdcd; font-size: 12px; transition: background .15s; }
.instrument-options input:checked+span { background: var(--ink); color: white; border-color: var(--ink); }
.instrument-options input:focus-visible+span { outline: 2px solid var(--accent); outline-offset: 3px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 21px; min-width: 0; }
.field label { font-size: 12px; }
.field-help { color: var(--muted); font-size: 11px; line-height: 1.8; }
.field input, .field textarea, .field select { width: 100%; max-width: 100%; min-height: 44px; background: transparent; border: 1px solid #cdcdcd; border-radius: 0; padding: 10px 12px; color: var(--ink); font-size: 13px; line-height: 1.7; appearance: none; }
.field select { appearance: auto; }
.field input::placeholder, .field textarea::placeholder { color: #777777; opacity: 1; }
.field textarea { resize: vertical; min-height: 106px; }
.field-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.field input[type=date] { display: block; min-width: 0; }
.primary-button, .secondary-button { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; background: var(--ink); border: 1px solid var(--ink); color: white; min-height: 49px; padding: 12px 17px; font-size: 12px; line-height: 1.7; border-radius: 0; }
.primary-button:hover { background: #404040; }
.primary-button>span, .secondary-button>span { font-size: 19px; line-height: 1; }
.form-note { color: var(--muted); font-size: 10px; text-align: center; margin-top: 9px; }
.direct-link { display: flex; justify-content: space-between; align-items: center; padding-block: 13px; margin-top: 10px; font-size: 11px; border-bottom: 1px solid var(--line); }
.closing-note { margin-top: 22px; font-size: 12px; line-height: 1.95; color: #636363; }
.direct-link:hover { color: var(--accent); }
.direct-link>span { font-size: 18px; }
.footer { display: flex; justify-content: space-between; padding-block: 24px; border-top: 1px solid var(--line); color: #777777; font-size: 10px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -90px; left: 15px; z-index: 10; background: var(--ink); color: white; padding: 10px; }
.skip-link:focus { top: 15px; }
dialog { width: min(550px, calc(100vw - 36px)); max-height: calc(100dvh - 48px); border: 1px solid var(--line); background: var(--paper); padding: 28px; color: var(--ink); overflow-y: auto; }
dialog::backdrop { background: #202020c4; }
.dialog-header { display: flex; align-items: center; justify-content: space-between; gap: 15px; }
.dialog-header h2 { font-size: 18px; font-weight: 500; }
.close-button { background: none; border: 0; width: 44px; height: 44px; font-size: 27px; line-height: 1; color: var(--ink); margin-right: -10px; }
#dialog-help { font-size: 12px; color: #616161; margin: 6px 0 18px; }
#request-preview { display: block; width: 100%; background: #f3f3f3; border: 1px solid #cdcdcd; border-radius: 0; padding: 14px; font-size: 12px; color: var(--ink); line-height: 1.9; resize: vertical; }
.unsent-note { margin: 12px 0 18px; font-size: 11px; color: var(--muted); }
.secondary-button { background: transparent; color: var(--ink); margin-top: 10px; }
.secondary-button:hover { background: var(--soft); }
.copy-status { font-size: 11px; color: #575757; margin-top: 13px; line-height: 1.8; }
.project-guide { border-top: 1px solid var(--line); margin-top: 5px; }
.project-guide>summary, .advanced-fields>summary { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 46px; list-style: none; cursor: pointer; font-size: 12px; }
.project-guide>summary::-webkit-details-marker, .advanced-fields>summary::-webkit-details-marker { display: none; }
.project-guide>summary>span, .advanced-fields>summary>span { font-size: 10px; color: var(--muted); white-space: nowrap; }
.project-guide summary span[aria-hidden], .advanced-fields summary span[aria-hidden] { display: inline-block; font-size: 15px; margin-left: 5px; }
.project-guide[open]>summary span[aria-hidden], .advanced-fields[open]>summary span[aria-hidden] { transform: rotate(45deg); }
.request-flow { list-style: none; margin: 15px 0 0; padding: 0; }
.request-flow li { position: relative; display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 14px; padding-bottom: 33px; }
.request-flow li:last-child { padding-bottom: 0; }
.flow-number { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid var(--line); border-radius: 50%; color: #666; font-size: 10px; font-variant-numeric: tabular-nums; }
.request-flow h3 { margin: 1px 0 4px; font-size: 13px; font-weight: 500; line-height: 1.8; }
.request-flow p { margin: 0; color: #626262; font-size: 12px; line-height: 1.85; }
.flow-arrow { position: absolute; left: 0; bottom: 6px; width: 28px; text-align: center; color: #999; font-size: 21px; line-height: 23px; }
.flow-note { margin-top: 20px; padding-block: 15px; border-top: 1px solid var(--line); color: #737373; font-size: 11px; line-height: 1.9; }
.advanced-note { color: #626262; font-size: 11px; line-height: 1.9; padding-block: 12px; }
.advanced-fields { border-top: 1px solid var(--line); margin-bottom: 16px; }
.advanced-content { padding-top: 2px; }
@media (max-width: 900px) {
  .page-width { width: calc(100% - 64px); }
  .layout { gap: 42px; }
  h1 { font-size: 44px; }
  .specs>div, .gear-list>div { grid-template-columns: 76px 1fr; }
}
@media (max-width: 650px) {
  .page-width { width: calc(100% - 48px); }
  .header { height: 76px; }
  .wordmark { font-size: 21px; gap: 11px; }
  .brand-mark { width: 35px; height: 35px; font-size: 21px; }
  .x-link { gap: 10px; }
  .profile-avatar { width: 34px; height: 34px; }
  .layout { display: block; padding-top: 23px; padding-bottom: 30px; }
  .overline { font-size: 9px; margin-bottom: 12px; }
  h1 { font-size: 40px; line-height: 1.2; letter-spacing: -.025em; }
  .intro-note { font-size: 12px; margin-top: 14px; }
  .specs { margin-top: 21px; padding: 9px 13px; }
  .specs>div { padding-block: 7px; font-size: 11px; grid-template-columns: 69px 1fr; }
  .gear-section { margin-top: 24px; padding-top: 22px; }
  .section-heading { margin-bottom: 12px; }
  .section-heading h2 { font-size: 15px; }
  .gear-list>div { padding-block: 6px; grid-template-columns: 80px 1fr; }
  .plugins { margin-top: 6px; }
  .plugins summary { font-size: 11px; }
  .request-section { border-top: 1px solid var(--line); padding-top: 25px; margin-top: 18px; }
  .request-section .section-heading { margin-bottom: 12px; }
  .request-note { margin-bottom: 20px; font-size: 12px; }
  .instrument-field { margin-bottom: 19px; }
  .instrument-options label>span { height: 43px; font-size: 12px; }
  .field { margin-bottom: 18px; gap: 7px; }
  .field input, .field textarea, .field select { font-size: 16px; padding: 9px 10px; }
  .field input::placeholder, .field textarea::placeholder { font-size: 12px; }
  .field textarea { height: 104px; min-height: 104px; }
  .field-pair { gap: 12px; }
  .field input[type=date] { font-size: 15px; }
  .primary-button, .secondary-button { font-size: 12px; min-height: 48px; }
  .form-note { font-size: 10px; }
  .direct-link { margin-top: 5px; }
  .footer { padding-block: 19px; font-size: 9px; }
  dialog { padding: 20px; }
  #request-preview { font-size: 16px; line-height: 1.7; }
}
@media (max-width: 360px) {
  .page-width { width: calc(100% - 36px); }
  h1 { font-size: 38px; }
  .specs>div, .gear-list>div { grid-template-columns: 69px 1fr; }
  .specs>div { font-size: 11px; }
  .field-pair { gap: 9px; }
  .field input[type=date] { font-size: 14px; padding-inline: 7px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}