/* Phase 4D: Prompt Extractor digital tool archive */
:root {
  --prompt-bg: #030911;
  --prompt-surface: #07111d;
  --prompt-line: rgba(205, 216, 228, .16);
  --prompt-text: #ece9e1;
  --prompt-muted: #8794a5;
  --prompt-gold: #b69358;
  --prompt-serif: "Shippori Mincho", "Yu Mincho", serif;
  --prompt-sans: "Noto Sans JP", sans-serif;
}

html { background: var(--prompt-bg); }
body.prompt-archive-page { min-width: 320px; overflow-x: hidden; background: var(--prompt-bg); color: var(--prompt-text); font-family: var(--prompt-sans); }
.prompt-archive-page main { position: relative; overflow: hidden; }
.prompt-archive-page a:focus-visible,
.prompt-archive-page button:focus-visible { outline: 1px solid var(--prompt-gold); outline-offset: 5px; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 1000; padding: 12px 16px; background: var(--prompt-text); color: var(--prompt-bg); }
.skip-link:focus { top: 16px; }

/* Opening record */
.prompt-intro { position: relative; min-height: 100vh; padding: 112px clamp(28px, 4.2vw, 72px) 72px; border-bottom: 1px solid var(--prompt-line); }
.prompt-intro__backdrop { position: absolute; top: 70px; right: -16px; margin: 0; color: rgba(226, 233, 241, .035); font-family: Georgia, serif; font-size: clamp(7rem, 14vw, 13rem); line-height: 1; pointer-events: none; }
.prompt-intro__header { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 30px; padding-bottom: 22px; border-bottom: 1px solid var(--prompt-line); color: var(--prompt-gold); font-size: .68rem; letter-spacing: .28em; }
.prompt-intro__header div { display: flex; gap: 26px; color: var(--prompt-muted); }
.prompt-intro__layout { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(390px, .72fr) minmax(0, 1.28fr); gap: clamp(46px, 6vw, 96px); align-items: center; max-width: 1380px; min-height: calc(100vh - 210px); margin: 34px auto 0; }
.prompt-intro__identity { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; color: var(--prompt-gold); font-size: .62rem; letter-spacing: .22em; }
.prompt-intro__identity img { width: 42px; height: 42px; object-fit: contain; }
.prompt-intro__identity p { margin: 0; }
.prompt-intro h1 { margin: 0; font-family: var(--prompt-serif); font-size: clamp(2.8rem, 4.4vw, 4.9rem); font-weight: 500; line-height: 1.12; letter-spacing: .015em; }
.prompt-intro h1 span { color: #c8ced7; font-size: .72em; }
.prompt-intro__lead { margin: 28px 0 0; font-family: var(--prompt-serif); font-size: clamp(1rem, 1.28vw, 1.18rem); line-height: 2; }
.prompt-intro__description { margin: 16px 0 0; color: var(--prompt-muted); font-size: .8rem; line-height: 1.95; }
.prompt-meta { display: grid; grid-template-columns: repeat(2, 1fr); margin: 27px 0 0; border-top: 1px solid var(--prompt-line); }
.prompt-meta div { min-width: 0; padding: 12px 8px 12px 0; border-bottom: 1px solid var(--prompt-line); }
.prompt-meta dt { color: var(--prompt-muted); font-size: .55rem; letter-spacing: .18em; }
.prompt-meta dd { margin: 5px 0 0; font-family: var(--prompt-serif); font-size: .83rem; overflow-wrap: anywhere; }
.archive-link { display: inline-flex; min-height: 44px; align-items: center; gap: 28px; margin-top: 25px; padding: 0 0 6px; border-bottom: 1px solid var(--prompt-gold); color: var(--prompt-text); font-family: var(--prompt-serif); font-size: .87rem; text-decoration: none; transition: color .2s ease, gap .2s ease; }
.archive-link:hover { color: #fff; gap: 34px; }
.archive-link span { color: var(--prompt-gold); }
.prompt-intro__file { max-width: 100%; margin: 9px 0 0; color: var(--prompt-muted); font-size: .58rem; overflow-wrap: anywhere; }
.prompt-intro__visual { min-width: 0; }
.prompt-intro__visual img { display: block; width: 100%; height: auto; border: 1px solid rgba(195, 212, 228, .2); box-shadow: 0 28px 80px rgba(0,0,0,.42); }
.prompt-intro__visual > p { display: flex; justify-content: space-between; margin: 13px 0 0; color: var(--prompt-muted); font-size: .6rem; letter-spacing: .21em; }

/* Shared archive sections */
.archive-section { width: min(1320px, calc(100% - clamp(40px, 8vw, 144px))); margin: 0 auto; padding: clamp(88px, 10vw, 150px) 0; border-bottom: 1px solid var(--prompt-line); }
.archive-section__heading { display: grid; grid-template-columns: minmax(190px, .34fr) minmax(0, 1fr); gap: 40px; align-items: baseline; }
.archive-section__heading > p { margin: 0; color: var(--prompt-gold); font-size: .65rem; letter-spacing: .25em; }
.archive-section__heading h2 { margin: 0; font-family: var(--prompt-serif); font-size: clamp(2rem, 4vw, 4.15rem); font-weight: 500; line-height: 1.4; letter-spacing: .035em; }
.record-label { margin: 0 0 22px; color: var(--prompt-gold); font-size: .61rem; letter-spacing: .21em; }

/* Workflow */
.workflow-record__body { margin: 62px 0 0 clamp(230px, 25vw, 360px); }
.workflow-record__body > p { max-width: 780px; margin: 0; color: #c8ced4; font-family: var(--prompt-serif); font-size: 1rem; line-height: 2.2; }
.workflow-record ol { display: grid; grid-template-columns: repeat(5, 1fr); margin: 48px 0 0; padding: 0; border-top: 1px solid var(--prompt-line); border-bottom: 1px solid var(--prompt-line); list-style: none; }
.workflow-record li { min-width: 0; padding: 19px 15px 20px 0; border-right: 1px solid var(--prompt-line); }
.workflow-record li:last-child { border-right: 0; }
.workflow-record li span { color: var(--prompt-gold); font-size: .6rem; }
.workflow-record li strong { display: block; margin-top: 23px; font-size: .62rem; font-weight: 500; letter-spacing: .13em; }
.workflow-record li small { display: block; margin-top: 8px; color: var(--prompt-muted); font-size: .6rem; line-height: 1.5; }
.workflow-record aside { display: grid; grid-template-columns: 150px 1fr; gap: 30px; margin-top: 34px; padding-left: 18px; border-left: 1px solid var(--prompt-gold); }
.workflow-record aside strong { color: var(--prompt-gold); font-size: .6rem; letter-spacing: .2em; }
.workflow-record aside p { margin: 0; color: var(--prompt-muted); font-size: .73rem; line-height: 1.9; }
.workflow-record code, .prompt-functions code { color: #c5d4e4; }

/* Real interface gallery */
.prompt-interface__lead { max-width: 650px; margin: 30px 0 48px calc(34% + 40px); color: var(--prompt-muted); font-size: .76rem; line-height: 1.9; }
.prompt-interface__gallery { display: grid; grid-template-columns: 1.28fr .72fr; gap: clamp(24px, 3vw, 42px); align-items: start; }
.prompt-shot { min-width: 0; margin: 0; }
.prompt-shot--main { grid-row: span 2; }
.prompt-shot img { display: block; width: 100%; height: auto; border: 1px solid var(--prompt-line); }
.prompt-shot figcaption { display: grid; grid-template-columns: 30px 1fr auto; gap: 13px; align-items: baseline; padding: 13px 0 0; color: var(--prompt-muted); font-size: .65rem; }
.prompt-shot figcaption span { color: var(--prompt-gold); }
.prompt-shot figcaption strong { color: var(--prompt-text); font-size: .66rem; font-weight: 500; letter-spacing: .12em; }

/* Indexed functions */
.prompt-functions ol { margin: 58px 0 0 clamp(230px, 25vw, 360px); padding: 0; border-top: 1px solid var(--prompt-line); list-style: none; }
.prompt-functions li { display: grid; grid-template-columns: 54px minmax(220px, .65fr) minmax(0, 1fr); gap: 28px; align-items: baseline; padding: 24px 0; border-bottom: 1px solid var(--prompt-line); }
.prompt-functions li > span { color: var(--prompt-gold); font-size: .67rem; }
.prompt-functions h3 { margin: 0; font-size: .68rem; font-weight: 500; letter-spacing: .16em; }
.prompt-functions li p { margin: 0; color: var(--prompt-muted); font-size: .76rem; line-height: 1.85; }

/* Usage */
.usage-record__layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: clamp(50px, 8vw, 120px); margin: 60px 0 0 clamp(230px, 25vw, 360px); }
.usage-record ol { margin: 0; padding: 0; border-top: 1px solid var(--prompt-line); list-style: none; }
.usage-record li { display: grid; grid-template-columns: 42px 1fr; gap: 18px; padding: 17px 0; border-bottom: 1px solid var(--prompt-line); }
.usage-record li span { color: var(--prompt-gold); font-size: .65rem; }
.usage-record li p, .usage-record aside p:not(.record-label) { margin: 0; color: #b8c0c9; font-size: .75rem; line-height: 1.85; }
.usage-record aside { padding-top: 2px; }
.usage-record aside .record-label:not(:first-child) { margin-top: 40px; }

/* System */
.prompt-system__layout { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(50px, 8vw, 120px); margin: 60px 0 0 clamp(230px, 25vw, 360px); }
.prompt-system dl, .prompt-system ul { margin: 0; padding: 0; border-top: 1px solid var(--prompt-line); }
.prompt-system dl div { display: grid; grid-template-columns: 120px 1fr; gap: 18px; padding: 15px 0; border-bottom: 1px solid var(--prompt-line); }
.prompt-system dt { color: var(--prompt-muted); font-size: .6rem; letter-spacing: .13em; }
.prompt-system dd { margin: 0; font-family: var(--prompt-serif); font-size: .84rem; }
.prompt-system ul { list-style: none; }
.prompt-system li { padding: 12px 0; border-bottom: 1px solid var(--prompt-line); color: #b8c0c9; font-size: .72rem; line-height: 1.7; }

/* Distribution */
.prompt-download { border-bottom: 0; }
.prompt-download__layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(54px, 9vw, 140px); margin: 62px 0 0 clamp(230px, 25vw, 360px); }
.prompt-download__release > p:first-child { margin: 0; color: var(--prompt-gold); font-size: .61rem; letter-spacing: .2em; }
.prompt-download__release h3 { margin: 22px 0 0; font-family: var(--prompt-serif); font-size: clamp(1.55rem, 2.3vw, 2.55rem); font-weight: 500; line-height: 1.4; overflow-wrap: anywhere; }
.prompt-download__release h3 span { color: #c8ced7; font-size: .7em; }
.prompt-download__release > p:nth-of-type(2) { color: var(--prompt-muted); font-size: .7rem; line-height: 1.9; }
.document-index { border-top: 1px solid var(--prompt-line); }
.document-index a { display: grid; grid-template-columns: 34px 1fr auto; gap: 14px; min-height: 78px; align-items: center; border-bottom: 1px solid var(--prompt-line); color: var(--prompt-text); text-decoration: none; }
.document-index a > span { color: var(--prompt-gold); font-size: .63rem; }
.document-index strong { display: block; font-size: .68rem; font-weight: 500; letter-spacing: .17em; }
.document-index small { grid-column: 2; margin-top: -22px; color: var(--prompt-muted); font-size: .61rem; }
.document-index i { grid-column: 3; grid-row: 1 / span 2; color: var(--prompt-gold); font-style: normal; }

@media (max-width: 1080px) {
  .prompt-intro { min-height: auto; }
  .prompt-intro__layout { grid-template-columns: 1fr; min-height: auto; }
  .prompt-intro__copy { max-width: 760px; }
  .workflow-record__body, .prompt-functions ol, .usage-record__layout, .prompt-system__layout, .prompt-download__layout { margin-left: 0; }
  .prompt-interface__lead { margin-left: 0; }
}

@media (max-width: 768px) {
  .prompt-intro { padding: 96px 26px 64px; }
  .prompt-intro__header { align-items: flex-start; }
  .prompt-intro__header div { display: grid; gap: 8px; text-align: right; }
  .prompt-intro__layout { gap: 38px; margin-top: 30px; }
  .prompt-intro__copy { display: contents; }
  .prompt-intro__identity { grid-row: 1; margin-bottom: -22px; }
  .prompt-intro h1 { grid-row: 2; }
  .prompt-intro__lead { grid-row: 3; margin-top: -16px; }
  .prompt-intro__description { grid-row: 4; margin-top: -21px; }
  .prompt-meta { grid-row: 5; margin-top: -10px; }
  .prompt-intro__visual { grid-row: 6; }
  .prompt-intro__copy .archive-link { grid-row: 7; margin-top: -8px; }
  .prompt-intro__file { grid-row: 8; margin-top: -25px; }
  .archive-section { width: calc(100% - 52px); }
  .archive-section__heading { grid-template-columns: 1fr; gap: 20px; }
  .workflow-record__body { margin-top: 42px; }
  .workflow-record ol { grid-template-columns: 1fr; }
  .workflow-record li { display: grid; grid-template-columns: 38px 1fr; padding: 14px 0; border-right: 0; border-bottom: 1px solid var(--prompt-line); }
  .workflow-record li strong { margin-top: 0; }
  .workflow-record li small { grid-column: 2; margin-top: 3px; }
  .workflow-record aside { grid-template-columns: 1fr; gap: 12px; }
  .prompt-interface__lead { margin-top: 28px; }
  .prompt-interface__gallery { grid-template-columns: 1fr; }
  .prompt-shot--main { grid-row: auto; }
  .prompt-functions ol, .usage-record__layout, .prompt-system__layout, .prompt-download__layout { margin-top: 42px; }
  .prompt-functions li { grid-template-columns: 38px 1fr; gap: 14px; }
  .prompt-functions li p { grid-column: 2; }
  .usage-record__layout, .prompt-system__layout, .prompt-download__layout { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .prompt-intro { padding-right: 20px; padding-left: 20px; }
  .prompt-intro__header { display: grid; gap: 13px; }
  .prompt-intro__header div { text-align: left; }
  .prompt-intro__backdrop { top: 90px; font-size: 5.9rem; }
  .prompt-intro h1 { font-size: 2.42rem; line-height: 1.18; overflow-wrap: anywhere; }
  .prompt-intro h1 span { font-size: .62em; }
  .prompt-intro__identity img { width: 34px; height: 34px; }
  .prompt-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .archive-section { width: calc(100% - 40px); padding: 76px 0; }
  .archive-section__heading h2 br { display: none; }
  .prompt-shot figcaption { grid-template-columns: 27px 1fr; }
  .prompt-shot figcaption small { grid-column: 2; }
  .prompt-system dl div { grid-template-columns: 92px 1fr; }
  .document-index a { min-height: 84px; }
}

@media (prefers-reduced-motion: reduce) {
  .prompt-archive-page *, .prompt-archive-page *::before, .prompt-archive-page *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}