:root {
  --paper: #f4f0e7;
  --paper-light: #fbf8f1;
  --ink: #111c27;
  --ink-soft: #3c4852;
  --navy: #112d46;
  --navy-light: #1d4260;
  --signal: #f0522d;
  --signal-dark: #bc3216;
  --line: rgba(17, 28, 39, 0.22);
  --grid: rgba(17, 28, 39, 0.07);
  --shell: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 99;
  opacity: 0.16;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(17,28,39,.18) 0 .45px, transparent .7px),
    radial-gradient(circle at 70% 60%, rgba(17,28,39,.12) 0 .4px, transparent .65px);
  background-size: 7px 9px, 11px 13px;
}

a { color: inherit; }
img { max-width: 100%; display: block; }
button, input { font: inherit; }
.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.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: 12px; left: 12px; z-index: 200; padding: 10px 14px;
  background: var(--ink); color: white; transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.nav {
  position: sticky; top: 0; z-index: 80;
  background: rgba(244, 240, 231, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.nav__inner { height: 72px; display: flex; align-items: center; justify-content: space-between; }
.nav__brand img { width: 178px; }
.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links > a:not(.button) { font: 600 14px/1 var(--font-body); text-decoration: none; }
.nav__links > a:not(.button):hover { color: var(--signal-dark); }
.nav__burger { display: none; }
.nav__mobile { display: none; }

.button {
  min-height: 52px; display: inline-flex; align-items: center; justify-content: space-between; gap: 22px;
  padding: 0 22px; border: 1px solid var(--ink); background: var(--signal); color: white;
  font: 700 15px/1 var(--font-display); text-decoration: none; cursor: pointer;
  box-shadow: 4px 4px 0 var(--ink); transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}
.button:hover { background: var(--signal-dark); transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--ink); }
.button:active { transform: translate(4px, 4px); box-shadow: 0 0 0 var(--ink); }
.button:focus-visible, input:focus-visible, summary:focus-visible, a:focus-visible { outline: 3px solid #3fa9f5; outline-offset: 3px; }
.button--small { min-height: 40px; padding: 0 16px; box-shadow: 3px 3px 0 var(--ink); font-size: 13px; }
.button:disabled { cursor: wait; opacity: 0.72; }

.hero { min-height: 720px; display: grid; grid-template-columns: 1.07fr 0.93fr; gap: 64px; align-items: center; padding-block: 78px 92px; }
.kicker {
  margin: 0 0 22px; font: 600 11px/1.2 var(--font-mono); letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-soft);
}
.kicker span { color: var(--signal-dark); }
.hero h1 {
  max-width: 690px; margin: 0; font: 700 clamp(48px, 5.6vw, 76px)/0.98 var(--font-display);
  letter-spacing: -0.055em;
}
.hero__lead { max-width: 650px; margin: 28px 0 30px; font-size: 20px; line-height: 1.55; color: var(--ink-soft); }
.hero__lead strong { color: var(--ink); }
.reserve-form__row { display: flex; align-items: stretch; max-width: 650px; }
.reserve-form__input {
  min-width: 0; flex: 1; height: 54px; padding: 0 17px; border: 1px solid var(--ink); border-right: 0;
  border-radius: 0; background: var(--paper-light); color: var(--ink); font-size: 16px;
}
.reserve-form__input::placeholder { color: #7b817f; }
.reserve-form .button { min-width: 210px; }
.reserve-form__message { min-height: 20px; margin: 10px 0 0; font: 600 13px/1.4 var(--font-mono); color: #1b6b43; }
.reserve-form.has-error .reserve-form__input { border-color: #a31d1d; box-shadow: inset 0 0 0 1px #a31d1d; }
.reserve-form.has-error .reserve-form__message { color: #a31d1d; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.hero__terms { margin: 10px 0 22px; font: 500 12px/1.5 var(--font-mono); color: #626b70; }
.text-link { display: inline-block; font: 700 14px/1.2 var(--font-display); text-decoration-thickness: 1px; text-underline-offset: 5px; }
.text-link span { color: var(--signal-dark); padding-left: 5px; }
.text-link:hover { color: var(--signal-dark); }
.is-reserved .reserve-form__row, .is-reserved .reserve-form > label, .is-reserved .reserve-form > input, .is-reserved .reserve-form > button { display: none; }
.is-reserved .reserve-form__message { display: block; padding: 15px; border: 1px solid currentColor; background: rgba(46, 125, 82, 0.08); }

.hero__object { position: relative; min-height: 570px; display: grid; place-items: center; }
.hero__object::before {
  content: ""; position: absolute; inset: 5% 0 0 6%; z-index: -1;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 28px 28px; border: 1px solid var(--line);
}
.book-object { position: relative; width: 320px; height: 470px; transform: rotate(-2.5deg); filter: drop-shadow(22px 26px 18px rgba(17,28,39,.18)); }
.book-object__pages { position: absolute; inset: 14px -15px -10px 18px; background: #e3dccd; border: 1px solid var(--ink); transform: skewY(2deg); }
.book-object__pages::after { content: ""; position: absolute; inset: 12px 0; background: repeating-linear-gradient(0deg, transparent 0 4px, rgba(17,28,39,.12) 4px 5px); }
.book-cover {
  position: relative; z-index: 2; height: 100%; padding: 24px; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
  color: #fff8eb; background: var(--navy); border: 1px solid #07121c;
}
.book-cover::after { content: ""; position: absolute; top: 0; bottom: 0; left: 18px; width: 1px; background: rgba(255,255,255,.14); }
.book-cover__top, .book-cover__footer { display: flex; justify-content: space-between; gap: 20px; font: 500 9px/1.4 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; }
.book-cover__edition { color: var(--signal); font-weight: 700; }
.book-cover__title { font: 700 56px/.86 var(--font-display); letter-spacing: -.07em; }
.book-cover__title em { color: var(--signal); font-style: normal; }
.book-cover__diagram { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; margin: -20px 0 -8px; }
.book-cover__diagram i { display: block; width: 42%; height: 5px; background: rgba(255,255,255,.62); }
.book-cover__diagram i:nth-child(2) { width: 48%; }
.book-cover__diagram i:nth-child(3) { width: 55%; }
.book-cover__diagram i:nth-child(4) { width: 62%; background: var(--signal); }
.book-cover__diagram i:nth-child(5) { width: 69%; }
.book-cover__diagram i:nth-child(6) { width: 76%; }
.book-cover__diagram .book-cover__base { width: 100%; height: 12px; margin-top: 5px; }
.book-cover__footer { align-items: end; }
.book-cover__footer strong { max-width: 92px; text-align: right; color: var(--signal); }
.orbit-note {
  position: absolute; z-index: 5; width: 180px; display: flex; gap: 10px; padding: 12px;
  background: var(--paper-light); border: 1px solid var(--ink); box-shadow: 4px 4px 0 rgba(17,28,39,.18);
  font: 600 11px/1.4 var(--font-mono); text-transform: uppercase;
}
.orbit-note__index { color: var(--signal-dark); }
.orbit-note--top { top: 46px; right: -20px; }
.orbit-note--bottom { bottom: 22px; left: -20px; }

.thesis-band { background: var(--signal); color: var(--ink); border-block: 1px solid var(--ink); }
.thesis-band__inner { min-height: 126px; display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.thesis-band p, .thesis-band strong { margin: 0; font: 700 clamp(20px, 2.4vw, 31px)/1.15 var(--font-display); letter-spacing: -.03em; }
.thesis-band strong { padding: 15px 18px; background: var(--ink); color: var(--paper-light); box-shadow: 5px 5px 0 rgba(255,255,255,.5); transform: rotate(-1deg); }

.section-label {
  display: flex; align-items: center; gap: 18px; margin-bottom: 42px;
  font: 600 11px/1 var(--font-mono); letter-spacing: .11em; text-transform: uppercase; color: var(--signal-dark);
}
.section-label::after { content: ""; height: 1px; flex: 1; background: var(--line); }
.section-label span { margin-left: auto; order: 3; color: var(--ink-soft); }
.section-label--dark { color: var(--signal); }
.section-label--dark::after { background: rgba(255,255,255,.2); }
.section-label--dark span { color: rgba(255,255,255,.5); }
.overline { margin: 0 0 16px; color: var(--signal-dark); font: 600 11px/1.4 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; }

.recognition { padding-block: 116px 132px; }
.recognition__grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 90px; }
.recognition h2, .inside h2, .critique h2, .author h2, .faq h2 {
  margin: 0; font: 700 clamp(40px, 5vw, 64px)/1.02 var(--font-display); letter-spacing: -.055em;
}
.recognition__body > p { margin: 0 0 20px; font-size: 19px; line-height: 1.65; color: var(--ink-soft); }
.margin-note { display: flex; gap: 16px; align-items: center; margin-top: 32px; padding: 20px; border: 1px solid var(--ink); background: var(--paper-light); box-shadow: 5px 5px 0 rgba(17,28,39,.12); transform: rotate(-.5deg); }
.margin-note__mark { font: 700 35px/1 var(--font-display); color: var(--signal); }
.margin-note p { margin: 0; line-height: 1.45; }

.framework-section { padding-block: 110px 120px; background: var(--navy); color: #f8f2e7; }
.framework-section__head { display: grid; grid-template-columns: 1.2fr .8fr; gap: 90px; align-items: end; margin-bottom: 64px; }
.framework-section__head h2 { margin: 0; font: 700 clamp(43px, 5.6vw, 70px)/1 var(--font-display); letter-spacing: -.055em; }
.framework-section__head h2 em { color: var(--signal); font-style: normal; }
.framework-section__head p { margin: 0; font-size: 18px; line-height: 1.65; color: rgba(255,255,255,.67); }
.risk-map { display: grid; grid-template-columns: 1.5fr .5fr; gap: 24px; }
.risk-map__stack { display: flex; flex-direction: column; gap: 8px; }
.layer {
  min-height: 80px; display: grid; grid-template-columns: 54px 1fr auto; gap: 20px; align-items: center;
  padding: 15px 18px; border: 1px solid rgba(255,255,255,.28); background: rgba(255,255,255,.04);
  transition: background 160ms ease, transform 160ms ease;
}
.layer:hover { background: rgba(255,255,255,.09); transform: translateX(5px); }
.layer__number { font: 600 12px/1 var(--font-mono); color: var(--signal); }
.layer h3 { margin: 0 0 3px; font: 700 21px/1.1 var(--font-display); }
.layer p { margin: 0; font-size: 14px; color: rgba(255,255,255,.62); }
.layer__status { max-width: 150px; padding: 7px 9px; border: 1px solid rgba(240,82,45,.6); color: #ffb9a7; font: 500 9px/1.4 var(--font-mono); text-transform: uppercase; text-align: center; }
.layer--0 { min-height: 94px; margin-top: 8px; background: var(--signal); color: var(--ink); border-color: var(--ink); box-shadow: 7px 7px 0 #081827; }
.layer--0:hover { background: #fa6844; }
.layer--0 .layer__number, .layer--0 p { color: var(--ink); }
.layer--0 .layer__status { border-color: var(--ink); color: var(--ink); }
.risk-map__logic { padding: 23px; border: 1px solid rgba(255,255,255,.28); background: #0b2235; }
.logic-label { margin: 0 0 18px; font: 600 10px/1.4 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--signal); }
.logic-card { padding: 14px; border: 1px solid rgba(255,255,255,.17); }
.logic-card span { display: block; margin-bottom: 5px; font: 600 9px/1 var(--font-mono); text-transform: uppercase; color: rgba(255,255,255,.45); }
.logic-card strong { font-size: 13px; line-height: 1.35; }
.logic-plus { height: 25px; display: grid; place-items: center; color: var(--signal); font: 500 18px/1 var(--font-mono); }
.logic-result { margin-top: 18px; padding: 17px; background: var(--paper-light); color: var(--ink); font: 700 14px/1.2 var(--font-display); }
.logic-result span { float: right; color: var(--signal-dark); font-size: 21px; }
.framework-section__caveat { max-width: 930px; margin: 44px 0 0; padding-left: 18px; border-left: 3px solid var(--signal); color: rgba(255,255,255,.66); line-height: 1.6; }
.framework-section__caveat strong { color: white; }

.inside { padding-block: 120px 130px; }
.inside__intro { display: grid; grid-template-columns: 1.1fr .9fr; gap: 80px; align-items: end; margin-bottom: 62px; }
.inside__intro > p { margin: 0; font-size: 18px; line-height: 1.65; color: var(--ink-soft); }
.contents-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.contents-card { min-height: 288px; display: flex; flex-direction: column; padding: 29px; border: 1px solid var(--ink); background: var(--paper-light); box-shadow: 5px 5px 0 rgba(17,28,39,.11); }
.contents-card--signal { background: var(--signal); transform: rotate(-.7deg); }
.contents-card__number { font: 700 11px/1 var(--font-mono); color: var(--signal-dark); }
.contents-card--signal .contents-card__number { color: var(--ink); }
.contents-card h3 { max-width: 370px; margin: 50px 0 12px; font: 700 30px/1.05 var(--font-display); letter-spacing: -.035em; }
.contents-card p { max-width: 500px; margin: 0 0 22px; font-size: 16px; line-height: 1.55; color: var(--ink-soft); }
.contents-card--signal p { color: var(--ink); }
.contents-card__meta { margin-top: auto; padding-top: 14px; border-top: 1px solid currentColor; font: 600 10px/1 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; }

.field-note { padding-block: 104px; background: #e0d7c7; border-block: 1px solid var(--ink); }
.field-note__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.field-note__quote { position: relative; min-height: 500px; padding: 52px 44px; display: flex; align-items: center; background: var(--signal); border: 1px solid var(--ink); box-shadow: 10px 10px 0 var(--navy); transform: rotate(-1deg); }
.field-note__quote blockquote { margin: 0; font: 700 clamp(35px, 4vw, 52px)/1.08 var(--font-display); letter-spacing: -.05em; }
.field-note__stamp { position: absolute; top: 24px; right: 24px; font: 600 10px/1 var(--font-mono); text-transform: uppercase; border: 1px solid var(--ink); padding: 8px; transform: rotate(4deg); }
.field-note__body { padding-top: 20px; }
.field-note__body h2 { margin: 0 0 24px; font: 700 42px/1.05 var(--font-display); letter-spacing: -.045em; }
.field-note__body > p { margin: 0 0 16px; font-size: 17px; line-height: 1.65; color: var(--ink-soft); }
.field-note__body ul { list-style: none; padding: 0; margin: 32px 0 0; border-top: 1px solid var(--line); }
.field-note__body li { display: flex; gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--line); font-weight: 700; }
.field-note__body li span { color: var(--signal-dark); font: 600 11px/1.6 var(--font-mono); }

.critique { padding-block: 120px 130px; }
.critique__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; }
.critique__lead { max-width: 500px; margin: 25px 0 0; font-size: 18px; line-height: 1.65; color: var(--ink-soft); }
.revision-list { border-top: 1px solid var(--ink); }
.revision { display: grid; grid-template-columns: 56px 1fr 30px 48px 1fr; gap: 12px; align-items: start; padding: 23px 0; border-bottom: 1px solid var(--ink); }
.revision span { font: 600 9px/1.5 var(--font-mono); text-transform: uppercase; }
.revision__before { color: #737a7c; }
.revision__after { color: var(--signal-dark); }
.revision__arrow { color: var(--signal-dark); font-size: 19px !important; }
.revision p { margin: 0; font-size: 15px; line-height: 1.45; }

.audience { padding-block: 110px 120px; background: var(--navy); color: white; }
.audience__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; }
.audience h2 { margin: 0; font: 700 clamp(42px, 5vw, 62px)/1.02 var(--font-display); letter-spacing: -.055em; }
.audience__cards { border-top: 1px solid rgba(255,255,255,.25); }
.audience__cards article { position: relative; padding: 24px 0 24px 50px; border-bottom: 1px solid rgba(255,255,255,.25); }
.audience__cards article > span { position: absolute; left: 0; top: 29px; color: var(--signal); font: 600 11px/1 var(--font-mono); }
.audience__cards h3 { margin: 0 0 8px; font: 700 23px/1.1 var(--font-display); }
.audience__cards p { margin: 0; color: rgba(255,255,255,.62); line-height: 1.55; }

.author { padding-block: 120px 140px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; align-items: center; }
.author__portrait { position: relative; width: 390px; max-width: 100%; }
.author__portrait-back { position: absolute; inset: 16px -16px -16px 16px; background: var(--signal); border: 1px solid var(--ink); }
.author__portrait img { position: relative; width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border: 1px solid var(--ink); filter: saturate(.7) contrast(1.05); }
.author__portrait > span { position: absolute; z-index: 3; right: -44px; bottom: 31px; padding: 10px 12px; background: var(--paper-light); border: 1px solid var(--ink); font: 600 9px/1 var(--font-mono); text-transform: uppercase; transform: rotate(-2deg); }
.author__copy .section-label { margin-bottom: 26px; }
.author__lead { margin: 25px 0 18px; font-size: 21px; line-height: 1.55; color: var(--ink); }
.author__copy > p:not(.author__lead) { max-width: 620px; margin: 0 0 25px; font-size: 17px; line-height: 1.65; color: var(--ink-soft); }

.faq { padding-block: 0 130px; }
.faq__grid { display: grid; grid-template-columns: .55fr 1.45fr; gap: 90px; }
.faq__items { border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--ink); }
.faq summary { position: relative; padding: 22px 46px 22px 0; list-style: none; cursor: pointer; font: 700 19px/1.3 var(--font-display); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 18px; color: var(--signal-dark); font: 500 28px/1 var(--font-mono); }
.faq details[open] summary::after { content: "−"; }
.faq details p { max-width: 690px; margin: -4px 50px 24px 0; color: var(--ink-soft); line-height: 1.6; }

.reserve-section { padding-block: 105px; background: var(--ink); color: white; border-bottom: 8px solid var(--signal); }
.reserve-section__grid { display: grid; grid-template-columns: 1fr .8fr; gap: 100px; align-items: end; }
.kicker--light { color: rgba(255,255,255,.55); }
.kicker--light span { color: var(--signal); }
.reserve-section h2 { margin: 0 0 20px; font: 700 clamp(46px, 5.7vw, 72px)/.98 var(--font-display); letter-spacing: -.055em; }
.reserve-section__grid > div > p:last-child { margin: 0; font-size: 18px; color: rgba(255,255,255,.62); }
.reserve-form--dark > label:not(.honeypot) { display: block; margin-bottom: 9px; font: 600 10px/1 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: rgba(255,255,255,.58); }
.reserve-form--dark .reserve-form__input { width: 100%; border: 1px solid white; background: transparent; color: white; }
.reserve-form--dark .button { width: 100%; margin-top: 12px; border-color: white; box-shadow: 4px 4px 0 white; }
.reserve-form--dark .button:hover { box-shadow: 2px 2px 0 white; }
.reserve-form--dark .reserve-form__message { color: #9be2b8; }
.reserve-section__terms { margin: 16px 0 0; color: rgba(255,255,255,.48); font: 500 11px/1.6 var(--font-mono); }

.footer { background: var(--paper); }
.footer__top { display: grid; grid-template-columns: .9fr 1.1fr 1fr; gap: 60px; padding-block: 62px 54px; }
.footer__brand img { width: 190px; }
.footer__top > p { margin: 0; font: 700 17px/1.4 var(--font-display); }
.footer__links { display: grid; grid-template-columns: 1fr 1fr; gap: 11px 20px; }
.footer__links a { font-size: 14px; text-decoration: none; }
.footer__links a:hover { color: var(--signal-dark); }
.footer__bottom { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); font: 500 10px/1 var(--font-mono); text-transform: uppercase; color: var(--ink-soft); }
.footer__version { color: var(--signal-dark); }

/* ---- v3.1 canon blocks (site-update brief 2026-07-26) ---- */
.risk-map__ground {
  text-align: center;
  padding: 14px 0 4px;
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
}
.constructs { margin-top: 46px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.construct { padding: 26px; border: 1px solid rgba(255, 255, 255, 0.28); background: rgba(255, 255, 255, 0.04); }
.construct__kicker {
  margin: 0 0 14px;
  font: 600 10px/1.4 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--signal);
}
.construct h3 { margin: 0 0 12px; font: 700 26px/1.1 var(--font-display); letter-spacing: -0.03em; color: #f8f2e7; }
.construct > p { margin: 0; font-size: 15px; line-height: 1.6; color: rgba(255, 255, 255, 0.67); }
.construct ol { list-style: none; margin: 18px 0 0; padding: 0; border-top: 1px solid rgba(255, 255, 255, 0.16); }
.construct li {
  display: flex;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  font-weight: 700;
  font-size: 15px;
  color: #f8f2e7;
}
.construct li span { color: var(--signal); font: 600 11px/1.6 var(--font-mono); }

.inside__twelve { max-width: 880px; margin: 0 0 56px; padding-left: 20px; border-left: 3px solid var(--signal); }
.inside__twelve h3 { margin: 0 0 12px; font: 700 24px/1.2 var(--font-display); letter-spacing: -0.03em; }
.inside__twelve p { margin: 0 0 10px; font-size: 16px; line-height: 1.6; color: var(--ink-soft); }
.inside__twelve p:last-child { margin: 0; font-weight: 700; color: var(--ink); }

.contents-card__qs { margin-top: 18px; padding-top: 16px; border-top: 1px solid currentColor; }
.contents-card__qs p { max-width: none; margin: 0 0 12px; font-size: 14.5px; line-height: 1.5; font-style: italic; }
.contents-card__qs .contents-card__qs-note { margin: 14px 0 0; font-style: normal; font-weight: 700; }

.contents-card--wide { grid-column: 1 / -1; min-height: auto; }
.contents-card--wide h3 { margin-top: 26px; }

.trypass { padding-block: 0 120px; }
.trypass__card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 44px;
  align-items: center;
  padding: 38px 42px;
  border: 1px solid var(--ink);
  background: var(--paper-light);
  box-shadow: 9px 9px 0 var(--navy);
}
.trypass__card h2 { margin: 0 0 12px; font: 700 31px/1.05 var(--font-display); letter-spacing: -0.04em; }
.trypass__card p { max-width: 660px; margin: 0; font-size: 16.5px; line-height: 1.6; color: var(--ink-soft); }
.trypass__card p strong { color: var(--ink); }

.audience__agency { margin: 0 0 30px; padding: 24px; border: 1px solid rgba(255, 255, 255, 0.28); background: rgba(255, 255, 255, 0.05); }
.audience__agency h3 { margin: 0 0 10px; font: 700 24px/1.15 var(--font-display); letter-spacing: -0.03em; color: white; }
.audience__agency p { margin: 0 0 10px; font-size: 15.5px; line-height: 1.6; color: rgba(255, 255, 255, 0.7); }
.audience__agency p:last-child { margin: 0; }

.onramp { padding-block: 100px 0; }
.onramp__card {
  max-width: 860px;
  padding: 30px 34px;
  border: 1px solid var(--ink);
  background: #e0d7c7;
  box-shadow: 6px 6px 0 rgba(17, 28, 39, 0.14);
  transform: rotate(-0.4deg);
}
.onramp__card h3 { margin: 0 0 10px; font: 700 24px/1.15 var(--font-display); letter-spacing: -0.03em; }
.onramp__card p { margin: 0 0 10px; font-size: 16px; line-height: 1.6; color: var(--ink-soft); }
.onramp__card p:last-child { margin: 0; }
.onramp__card strong { color: var(--ink); }

@media (max-width: 980px) {
  .constructs { grid-template-columns: 1fr; }
  .trypass__card { grid-template-columns: 1fr; gap: 24px; }

  .hero { grid-template-columns: 1fr; padding-top: 72px; }
  .hero__copy { max-width: 760px; }
  .hero__object { min-height: 620px; }
  .book-object { width: 350px; height: 515px; }
  .orbit-note--top { right: 9%; }
  .orbit-note--bottom { left: 9%; }
  .recognition__grid, .framework-section__head, .inside__intro, .field-note__grid, .critique__grid, .audience__grid, .author, .faq__grid, .reserve-section__grid { gap: 52px; }
  .risk-map { grid-template-columns: 1fr; }
  .risk-map__logic { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
  .logic-label, .logic-result { grid-column: 1 / -1; }
  .logic-plus { display: none; }
  .field-note__quote { min-height: 430px; }
}

@media (max-width: 760px) {
  .shell { width: min(calc(100% - 32px), var(--shell)); }
  .nav__inner { height: 62px; }
  .nav__brand img { width: 154px; }
  .nav__links > a { display: none; }
  .nav__burger { display: flex; width: 40px; height: 40px; border: 0; background: transparent; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; }
  .nav__burger span { width: 23px; height: 2px; background: var(--ink); transition: transform 150ms ease, opacity 150ms ease; }
  .nav--open .nav__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav--open .nav__burger span:nth-child(2) { opacity: 0; }
  .nav--open .nav__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav--open .nav__mobile { display: block; border-top: 1px solid var(--line); }
  .nav__mobile-link { display: block; padding: 15px 16px; border-bottom: 1px solid var(--line); text-decoration: none; font-weight: 700; }

  .hero { min-height: auto; padding-block: 58px 72px; gap: 42px; }
  .hero h1 { font-size: clamp(44px, 13vw, 62px); }
  .hero__lead { font-size: 18px; }
  .reserve-form__row { display: block; }
  .reserve-form__input { width: 100%; border-right: 1px solid var(--ink); }
  .reserve-form .button { width: calc(100% - 4px); margin-top: 10px; }
  .hero__object { min-height: 530px; }
  .book-object { width: 280px; height: 411px; }
  .book-cover__title { font-size: 48px; }
  .orbit-note { width: 154px; font-size: 9px; }
  .orbit-note--top { top: 20px; right: -4px; }
  .orbit-note--bottom { bottom: 18px; left: -4px; }

  .thesis-band__inner { padding-block: 30px; flex-direction: column; align-items: flex-start; }
  .section-label { margin-bottom: 32px; }
  .recognition, .inside, .critique { padding-block: 82px; }
  .recognition__grid, .framework-section__head, .inside__intro, .field-note__grid, .critique__grid, .audience__grid, .author, .faq__grid, .reserve-section__grid { grid-template-columns: 1fr; }
  .framework-section { padding-block: 80px; }
  .framework-section__head { gap: 26px; }
  .layer { grid-template-columns: 42px 1fr; }
  .layer__status { grid-column: 2; max-width: none; justify-self: start; }
  .risk-map__logic { grid-template-columns: 1fr 1fr; }
  .contents-grid { grid-template-columns: 1fr; }
  .contents-card { min-height: 265px; }
  .field-note { padding-block: 80px; }
  .field-note__quote { min-height: 390px; padding: 44px 28px; }
  .field-note__body h2 { font-size: 36px; }
  .revision { grid-template-columns: 48px 1fr; }
  .revision__arrow, .revision__after { display: none; }
  .revision p:nth-of-type(2) { grid-column: 2; color: var(--signal-dark); font-weight: 700; }
  .audience { padding-block: 82px; }
  .author { padding-block: 85px 100px; }
  .author__portrait { width: min(360px, calc(100% - 18px)); }
  .faq { padding-bottom: 95px; }
  .reserve-section { padding-block: 82px; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__links { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .hero__object { min-height: 480px; }
  .book-object { width: 240px; height: 352px; }
  .book-cover { padding: 18px; }
  .book-cover__title { font-size: 40px; }
  .orbit-note--top { top: 12px; }
  .orbit-note--bottom { bottom: 10px; }
  .recognition h2, .inside h2, .critique h2, .author h2, .faq h2 { font-size: 39px; }
  .risk-map__logic { grid-template-columns: 1fr; }
  .layer { padding: 14px 12px; gap: 10px; }
  .layer p { font-size: 13px; }
  .contents-card { padding: 24px; }
  .field-note__quote { min-height: 355px; }
  .footer__top { grid-template-columns: 1fr; gap: 28px; }
  .footer__links { grid-column: auto; }
  .footer__bottom { padding-block: 20px; flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}