/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer theme, base, components, utilities;
@layer theme {
  :root, :host {
    --font-sans: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji",
      "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
      "Courier New", monospace;
    --default-font-family: var(--font-sans);
    --default-mono-font-family: var(--font-mono);
  }
}
@layer base {
  *, ::after, ::before, ::backdrop, ::file-selector-button {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border: 0 solid;
  }
  html, :host {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    tab-size: 4;
    font-family: var(--default-font-family, ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");
    font-feature-settings: var(--default-font-feature-settings, normal);
    font-variation-settings: var(--default-font-variation-settings, normal);
    -webkit-tap-highlight-color: transparent;
  }
  hr {
    height: 0;
    color: inherit;
    border-top-width: 1px;
  }
  abbr:where([title]) {
    -webkit-text-decoration: underline dotted;
    text-decoration: underline dotted;
  }
  h1, h2, h3, h4, h5, h6 {
    font-size: inherit;
    font-weight: inherit;
  }
  a {
    color: inherit;
    -webkit-text-decoration: inherit;
    text-decoration: inherit;
  }
  b, strong {
    font-weight: bolder;
  }
  code, kbd, samp, pre {
    font-family: var(--default-mono-font-family, ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);
    font-feature-settings: var(--default-mono-font-feature-settings, normal);
    font-variation-settings: var(--default-mono-font-variation-settings, normal);
    font-size: 1em;
  }
  small {
    font-size: 80%;
  }
  sub, sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
  }
  sub {
    bottom: -0.25em;
  }
  sup {
    top: -0.5em;
  }
  table {
    text-indent: 0;
    border-color: inherit;
    border-collapse: collapse;
  }
  :-moz-focusring {
    outline: auto;
  }
  progress {
    vertical-align: baseline;
  }
  summary {
    display: list-item;
  }
  ol, ul, menu {
    list-style: none;
  }
  img, svg, video, canvas, audio, iframe, embed, object {
    display: block;
    vertical-align: middle;
  }
  img, video {
    max-width: 100%;
    height: auto;
  }
  button, input, select, optgroup, textarea, ::file-selector-button {
    font: inherit;
    font-feature-settings: inherit;
    font-variation-settings: inherit;
    letter-spacing: inherit;
    color: inherit;
    border-radius: 0;
    background-color: transparent;
    opacity: 1;
  }
  :where(select:is([multiple], [size])) optgroup {
    font-weight: bolder;
  }
  :where(select:is([multiple], [size])) optgroup option {
    padding-inline-start: 20px;
  }
  ::file-selector-button {
    margin-inline-end: 4px;
  }
  ::placeholder {
    opacity: 1;
  }
  @supports (not (-webkit-appearance: -apple-pay-button))  or (contain-intrinsic-size: 1px) {
    ::placeholder {
      color: currentcolor;
      @supports (color: color-mix(in lab, red, red)) {
        color: color-mix(in oklab, currentcolor 50%, transparent);
      }
    }
  }
  textarea {
    resize: vertical;
  }
  ::-webkit-search-decoration {
    -webkit-appearance: none;
  }
  ::-webkit-date-and-time-value {
    min-height: 1lh;
    text-align: inherit;
  }
  ::-webkit-datetime-edit {
    display: inline-flex;
  }
  ::-webkit-datetime-edit-fields-wrapper {
    padding: 0;
  }
  ::-webkit-datetime-edit, ::-webkit-datetime-edit-year-field, ::-webkit-datetime-edit-month-field, ::-webkit-datetime-edit-day-field, ::-webkit-datetime-edit-hour-field, ::-webkit-datetime-edit-minute-field, ::-webkit-datetime-edit-second-field, ::-webkit-datetime-edit-millisecond-field, ::-webkit-datetime-edit-meridiem-field {
    padding-block: 0;
  }
  ::-webkit-calendar-picker-indicator {
    line-height: 1;
  }
  :-moz-ui-invalid {
    box-shadow: none;
  }
  button, input:where([type="button"], [type="reset"], [type="submit"]), ::file-selector-button {
    appearance: button;
  }
  ::-webkit-inner-spin-button, ::-webkit-outer-spin-button {
    height: auto;
  }
  [hidden]:where(:not([hidden="until-found"])) {
    display: none !important;
  }
}
@layer utilities;
:root {
  --navy-950: #0c2740;
  --navy-900: #123b61;
  --navy-800: #194f7e;
  --blue-600: #2477b9;
  --blue-500: #2f88ce;
  --blue-100: #e9f3fb;
  --orange-600: #c55b17;
  --orange-500: #e37828;
  --orange-100: #fff0e5;
  --cream: #fbf8f1;
  --paper: #fffefa;
  --ink: #172330;
  --muted: #5f6c78;
  --line: #dbe4eb;
  --white: #ffffff;
  --shadow-soft: 0 20px 60px rgba(18, 59, 97, 0.1);
  --shadow-book: 0 30px 70px rgba(12, 39, 64, 0.22);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Yu Gothic", YuGothic, "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  font-size: 17px;
  line-height: 1.85;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
}
button, a, summary {
  -webkit-tap-highlight-color: transparent;
}
.container {
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
}
.narrow {
  width: min(820px, calc(100% - 48px));
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 10px max(24px, calc((100vw - 1120px) / 2));
  color: var(--navy-950);
  background: rgba(255, 254, 250, 0.95);
  border-bottom: 1px solid rgba(18, 59, 97, 0.1);
  backdrop-filter: blur(16px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  width: max-content;
  color: var(--navy-900);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 9px;
  color: var(--white);
  background: var(--orange-600);
  border-radius: 5px;
  font-size: 11px;
  letter-spacing: 0.12em;
}
.header-link, .header-cta {
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}
.header-link {
  color: var(--muted);
}
.header-cta {
  padding: 10px 18px;
  color: var(--white);
  background: var(--navy-900);
  border-radius: 7px;
}
.hero {
  position: relative;
  overflow: hidden;
  padding: 90px 0 96px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(233, 243, 251, 0.82)), var(--paper);
}
.hero::after {
  position: absolute;
  right: -10%;
  bottom: -220px;
  width: 55%;
  height: 520px;
  background: rgba(36, 119, 185, 0.06);
  border-radius: 50%;
  content: "";
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  pointer-events: none;
}
.glow-one {
  top: 50px;
  left: -140px;
  width: 360px;
  height: 360px;
  background: rgba(227, 120, 40, 0.08);
}
.glow-two {
  top: -130px;
  right: 14%;
  width: 320px;
  height: 320px;
  background: rgba(47, 136, 206, 0.11);
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
  align-items: center;
  gap: 78px;
}
.eyebrow, .section-kicker {
  margin: 0 0 14px;
  color: var(--orange-600);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.16em;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  width: 32px;
  height: 2px;
  background: var(--orange-500);
  content: "";
}
h1, h2, h3, p {
  margin-top: 0;
}
h1, h2, h3 {
  color: var(--navy-950);
  line-height: 1.45;
  letter-spacing: 0.02em;
}
h1 {
  margin-bottom: 28px;
  font-size: clamp(40px, 5.15vw, 68px);
  line-height: 1.35;
  letter-spacing: 0.005em;
}
h2 {
  margin-bottom: 24px;
  font-size: clamp(30px, 3.65vw, 46px);
}
h3 {
  font-size: 22px;
}
.hero-lead {
  margin-bottom: 32px;
  color: var(--ink);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.95;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  margin-bottom: 25px;
}
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-height: 58px;
  padding: 13px 27px;
  color: var(--white);
  background: var(--orange-600);
  border: 1px solid var(--orange-600);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(197, 91, 23, 0.24);
  font-size: 16px;
  font-weight: 900;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.primary-button:hover {
  background: #ad4d13;
  box-shadow: 0 15px 32px rgba(197, 91, 23, 0.3);
  transform: translateY(-2px);
}
.primary-button:focus-visible, .header-cta:focus-visible, .header-link:focus-visible, .text-link:focus-visible, .site-footer a:focus-visible {
  outline: 3px solid #f5b57d;
  outline-offset: 4px;
}
.primary-button.disabled {
  color: #d7e4ee;
  background: #6f8190;
  border-color: #6f8190;
  box-shadow: none;
  cursor: not-allowed;
}
.text-link {
  color: var(--navy-800);
  font-weight: 900;
  text-underline-offset: 5px;
}
.hero-note {
  max-width: 650px;
  margin: 0;
  color: #3c4753;
  font-size: 14px;
  line-height: 1.75;
}
.hero-visual {
  position: relative;
  min-height: 540px;
  perspective: 1200px;
}
.book-cover {
  position: absolute;
  top: 5px;
  right: 44px;
  width: min(370px, 82%);
  min-height: 505px;
  padding: 40px 34px 32px;
  color: var(--navy-950);
  background: linear-gradient(90deg, rgba(20, 50, 75, 0.13), transparent 5%), linear-gradient(145deg, #ffffff, #f5f8fa);
  border: 1px solid #cfdde7;
  border-left: 10px solid var(--navy-900);
  border-radius: 4px 12px 12px 4px;
  box-shadow: var(--shadow-book);
  transform: rotateY(-8deg) rotateZ(1deg);
}
.book-cover::after {
  position: absolute;
  right: -12px;
  bottom: 10px;
  width: 12px;
  height: calc(100% - 20px);
  background: linear-gradient(90deg, #d9e1e6, #fafafa);
  border-radius: 0 4px 4px 0;
  content: "";
}
.book-shadow {
  position: absolute;
  right: 22px;
  bottom: 3px;
  width: 365px;
  height: 55px;
  background: rgba(12, 39, 64, 0.24);
  border-radius: 50%;
  filter: blur(22px);
  transform: rotate(-3deg);
}
.book-series {
  color: var(--orange-600);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
}
.book-rule {
  width: 52px;
  height: 4px;
  margin: 23px 0 34px;
  background: var(--orange-500);
}
.book-title {
  font-size: clamp(25px, 2.4vw, 33px);
  font-weight: 900;
  line-height: 1.6;
}
.book-title strong {
  color: var(--blue-600);
}
.book-subtitle {
  margin-top: 33px;
  color: var(--blue-600);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.75;
}
.book-author {
  position: absolute;
  right: 34px;
  bottom: 34px;
  font-size: 14px;
  font-weight: 900;
}
.book-badge {
  position: absolute;
  right: 0;
  bottom: 35px;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 128px;
  padding: 15px 10px;
  color: var(--white);
  background: var(--orange-600);
  border: 6px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  box-shadow: 0 12px 30px rgba(12, 39, 64, 0.2);
  line-height: 1.4;
  transform: rotate(5deg);
}
.book-badge span, .book-badge small {
  font-size: 10px;
}
.book-badge strong {
  font-size: 20px;
}
.principle-band {
  color: var(--white);
  background: var(--navy-950);
}
.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.principle-grid > div {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  padding: 28px 30px;
  border-right: 1px solid rgba(255, 255, 255, 0.13);
}
.principle-grid > div:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.13);
}
.principle-grid span {
  grid-row: 1 / 3;
  color: #7bb7e3;
  font-family: Georgia, serif;
  font-size: 25px;
}
.principle-grid strong {
  font-size: 17px;
}
.principle-grid p {
  margin: 3px 0 0;
  color: #c4d3de;
  font-size: 13px;
  line-height: 1.6;
}
.section {
  padding: 105px 0;
}
.problems {
  background: var(--cream);
}
.problems h2 {
  max-width: 780px;
}
.section-intro {
  margin-bottom: 40px;
  color: var(--muted);
  font-size: 18px;
}
.pain-list {
  display: grid;
  gap: 12px;
}
.pain-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  background: var(--white);
  border: 1px solid #e7e3dc;
  border-radius: 10px;
}
.pain-item span {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  color: var(--orange-600);
  background: var(--orange-100);
  border-radius: 50%;
  font-weight: 900;
}
.pain-item p {
  margin: 0;
  font-weight: 700;
}
.section-heading {
  margin-bottom: 54px;
}
.split-heading {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: end;
  gap: 80px;
}
.split-heading h2 {
  margin-bottom: 0;
}
.split-heading > p, .centered-heading > p {
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 18px;
}
.system-section {
  background: linear-gradient(rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.96)), linear-gradient(90deg, var(--line) 1px, transparent 1px), linear-gradient(var(--line) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
}
.system-flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.system-flow::before {
  position: absolute;
  top: 57px;
  left: 12%;
  width: 76%;
  height: 2px;
  background: #c9dbe9;
  content: "";
}
.system-flow article {
  position: relative;
  z-index: 2;
  min-height: 320px;
  padding: 26px 24px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 12px 35px rgba(18, 59, 97, 0.07);
}
.flow-number {
  color: var(--orange-600);
  font-family: Georgia, serif;
  font-size: 15px;
}
.flow-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 70px;
  height: 70px;
  margin: 22px 0 25px;
  background: var(--blue-100);
  border: 2px solid #afd2eb;
  border-radius: 50%;
}
.calendar-icon i:first-child {
  width: 29px;
  height: 25px;
  border: 3px solid var(--navy-800);
  border-radius: 3px;
}
.calendar-icon i:nth-child(2), .calendar-icon i:nth-child(3) {
  position: absolute;
  top: 18px;
  width: 3px;
  height: 8px;
  background: var(--navy-800);
}
.calendar-icon i:nth-child(2) {
  left: 25px;
}
.calendar-icon i:nth-child(3) {
  right: 25px;
}
.play-icon i {
  width: 0;
  height: 0;
  margin-left: 5px;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  border-left: 19px solid var(--navy-800);
}
.check-icon i {
  width: 28px;
  height: 16px;
  border-bottom: 4px solid var(--navy-800);
  border-left: 4px solid var(--navy-800);
  transform: rotate(-45deg) translate(2px, -3px);
}
.refresh-icon i {
  width: 29px;
  height: 29px;
  border: 4px solid var(--navy-800);
  border-right-color: transparent;
  border-radius: 50%;
}
.refresh-icon i::after {
  position: absolute;
  right: 17px;
  bottom: 19px;
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 9px solid var(--navy-800);
  content: "";
  transform: rotate(35deg);
}
.system-flow h3 {
  margin-bottom: 12px;
}
.system-flow p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.system-callout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 35px;
  padding: 22px;
  color: var(--navy-950);
  background: var(--orange-100);
  border: 1px solid #f5c9a8;
  border-radius: 9px;
}
.system-callout span {
  padding: 5px 10px;
  color: var(--white);
  background: var(--orange-600);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.1em;
}
.system-callout p {
  margin: 0;
  font-size: 19px;
  font-weight: 900;
}
.case-section {
  color: var(--white);
  background: radial-gradient(circle at 85% 15%, rgba(47, 136, 206, 0.25), transparent 30%), var(--navy-950);
}
.case-grid {
  display: grid;
  grid-template-columns: 1fr 0.88fr;
  align-items: center;
  gap: 90px;
}
.section-kicker.light, .case-section h2, .offer-section h2, .offer-section .section-kicker {
  color: var(--white);
}
.case-copy > p:not(.section-kicker) {
  color: #d6e1e9;
  font-size: 17px;
}
.case-disclaimer {
  margin-top: 26px;
  padding: 17px 19px;
  color: #b7c8d5;
  background: rgba(255, 255, 255, 0.06);
  border-left: 3px solid var(--orange-500);
  font-size: 12px;
  line-height: 1.7;
}
.case-data {
  padding: 34px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  box-shadow: 0 25px 55px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(8px);
}
.subject-result {
  display: grid;
  grid-template-columns: 65px 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}
.subject-result > span {
  font-weight: 900;
}
.subject-result > div {
  display: flex;
  align-items: baseline;
  gap: 3px;
  color: #cad8e2;
}
.subject-result strong {
  font-family: Georgia, serif;
  font-size: 53px;
  line-height: 1;
}
.subject-result small {
  font-size: 12px;
}
.subject-result .after-score {
  color: #ff9c58;
}
.subject-result > b {
  color: #7798b1;
}
.rank-result, .case-key {
  margin-top: 20px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
}
.rank-result span, .case-key span {
  color: #8fb5d2;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
}
.rank-result p, .case-key p {
  margin: 5px 0 0;
  font-weight: 800;
}
.rank-result b {
  margin-inline: 8px;
  color: var(--orange-500);
}
.centered-heading {
  max-width: 760px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}
.contents-section {
  background: var(--cream);
}
.curriculum-list {
  display: grid;
  gap: 14px;
  max-width: 960px;
  margin: 0 auto;
}
.curriculum-list article {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 23px;
  padding: 24px 28px;
  background: var(--white);
  border: 1px solid #e7e3dc;
  border-radius: 10px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.curriculum-list article:hover {
  border-color: #b8d3e7;
  transform: translateX(5px);
}
.curriculum-list article > span {
  color: var(--orange-600);
  font-family: Georgia, serif;
  font-size: 29px;
  font-weight: 700;
}
.curriculum-list h3 {
  margin-bottom: 6px;
}
.curriculum-list p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}
.five-subjects {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 960px;
  margin: 28px auto 0;
}
.five-subjects div {
  padding: 17px 15px;
  color: var(--navy-900);
  background: var(--blue-100);
  border-radius: 8px;
  text-align: center;
}
.five-subjects span {
  font-weight: 900;
}
.five-subjects p {
  margin: 5px 0 0;
  color: #45647d;
  font-size: 12px;
  line-height: 1.55;
}
.bonus-section {
  background: var(--white);
}
.bonus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.bonus-grid article {
  padding: 27px;
  background: #f7fafc;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 14px 38px rgba(18, 59, 97, 0.06);
}
.bonus-label {
  color: var(--orange-600);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.13em;
}
.sheet-visual {
  display: grid;
  gap: 7px;
  width: 126px;
  min-height: 155px;
  margin: 23px auto 27px;
  padding: 20px 15px;
  background: var(--white);
  border: 1px solid #b9cddd;
  border-top: 10px solid var(--navy-800);
  box-shadow: 7px 9px 0 #dce8f1;
}
.sheet-visual i {
  display: block;
  height: 8px;
  background: #d9e6ef;
  border-radius: 2px;
}
.sheet-two {
  border-top-color: var(--orange-600);
  box-shadow: 7px 9px 0 #f5dfcf;
}
.sheet-two i:nth-child(2) {
  height: 32px;
  background: linear-gradient(90deg, transparent 32%, white 32%, white 35%, transparent 35%), repeating-linear-gradient(#e7eef3 0 1px, transparent 1px 8px);
}
.sheet-three {
  border-top-color: #347c63;
  box-shadow: 7px 9px 0 #dcece7;
}
.sheet-three i {
  height: 14px;
  background: linear-gradient(90deg, #dcece7 0 24%, white 24% 27%, #e8eef2 27% 100%);
}
.bonus-grid h3 {
  margin-bottom: 9px;
}
.bonus-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.author-section {
  background: var(--cream);
}
.author-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  align-items: center;
  gap: 85px;
}
.author-card {
  position: relative;
  overflow: hidden;
  min-height: 340px;
  padding: 45px;
  color: var(--white);
  background: var(--navy-900);
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
}
.author-card::after {
  position: absolute;
  right: -70px;
  bottom: -85px;
  width: 230px;
  height: 230px;
  border: 42px solid rgba(255, 255, 255, 0.07);
  border-radius: 50%;
  content: "";
}
.author-monogram {
  display: grid;
  place-items: center;
  width: 120px;
  height: 120px;
  margin-bottom: 38px;
  overflow: hidden;
  color: var(--navy-900);
  background: #e5f0f8;
  border: 8px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  font-family: Georgia, serif;
  font-size: 38px;
  font-weight: 700;
}
.author-monogram img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.author-card span {
  color: #9fc5df;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
}
.author-card h2 {
  margin: 3px 0;
  color: var(--white);
}
.author-card p {
  color: #c7d9e6;
}
.author-copy > p:not(.section-kicker) {
  color: var(--muted);
}
.author-copy blockquote {
  margin: 30px 0 0;
  padding: 18px 22px;
  color: var(--navy-900);
  background: var(--white);
  border-left: 4px solid var(--orange-600);
  box-shadow: 0 8px 28px rgba(18, 59, 97, 0.06);
  font-size: 18px;
  font-weight: 900;
}
.audience-section {
  background: var(--white);
}
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
}
.audience-grid > div {
  padding: 42px;
  background: var(--blue-100);
  border-radius: 15px;
}
.audience-grid .not-for-you {
  background: #f3f4f5;
}
.section-kicker.muted {
  color: #7d8790;
}
.audience-grid ul {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.audience-grid li {
  position: relative;
  padding-left: 28px;
  font-weight: 700;
}
.audience-grid li::before {
  position: absolute;
  top: 0;
  left: 0;
  color: var(--orange-600);
  content: "✓";
  font-weight: 900;
}
.not-for-you li::before {
  color: #8b959d;
  content: "−";
}
.offer-section {
  position: relative;
  overflow: hidden;
  padding: 110px 0;
  color: var(--white);
  background: var(--navy-950);
}
.offer-orbit {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}
.orbit-one {
  top: -250px;
  left: -200px;
  width: 620px;
  height: 620px;
}
.orbit-two {
  right: -280px;
  bottom: -330px;
  width: 720px;
  height: 720px;
  border-width: 80px;
}
.offer-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  align-items: center;
  gap: 90px;
}
.offer-copy > p:not(.section-kicker) {
  color: #c9d8e4;
  font-size: 18px;
}
.offer-card {
  padding: 40px;
  color: var(--ink);
  background: var(--white);
  border-radius: 17px;
  box-shadow: 0 32px 70px rgba(0, 0, 0, 0.25);
}
.offer-name {
  margin-bottom: 25px;
  color: var(--navy-950);
  font-size: 19px;
  font-weight: 900;
  line-height: 1.6;
}
.offer-card ul {
  display: grid;
  gap: 9px;
  margin: 0 0 27px;
  padding: 0;
  list-style: none;
}
.offer-card li {
  position: relative;
  padding-left: 26px;
  color: #435564;
}
.offer-card li::before {
  position: absolute;
  left: 0;
  color: var(--blue-600);
  content: "✓";
  font-weight: 900;
}
.price-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 24px;
  padding: 19px 0;
  border-top: 1px solid var(--line);
}
.price-row > span {
  color: var(--muted);
  font-size: 13px;
}
.price-row > div {
  display: flex;
  align-items: baseline;
  gap: 5px;
  color: var(--navy-950);
}
.price-row strong {
  font-family: Georgia, serif;
  font-size: 46px;
  line-height: 1;
}
.price-row small {
  font-size: 13px;
  font-weight: 800;
}
.offer-card .primary-button {
  width: 100%;
}
.purchase-status {
  margin: 12px 0 0;
  color: #6c7c89;
  font-size: 12px;
  text-align: center;
}
.offer-note {
  margin: 20px 0 0;
  padding-top: 18px;
  color: #77838d;
  border-top: 1px solid var(--line);
  font-size: 11px;
  line-height: 1.65;
}
.faq-section {
  background: var(--cream);
}
.faq-list {
  display: grid;
  gap: 11px;
}
.faq-list details {
  background: var(--white);
  border: 1px solid #e3e6e8;
  border-radius: 9px;
}
.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 23px;
  color: var(--navy-950);
  cursor: pointer;
  font-weight: 900;
  list-style: none;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary span {
  color: var(--orange-600);
  font-size: 24px;
  font-weight: 400;
  transition: transform 0.2s ease;
}
.faq-list details[open] summary span {
  transform: rotate(45deg);
}
.faq-list details p {
  margin: 0;
  padding: 0 23px 22px;
  color: var(--muted);
  font-size: 15px;
}
.final-section {
  padding: 85px 0;
  background: linear-gradient(90deg, rgba(233, 243, 251, 0.94), rgba(255, 240, 229, 0.8)), var(--white);
}
.final-inner {
  text-align: center;
}
.final-inner > p {
  color: var(--orange-600);
  font-weight: 900;
}
.final-inner h2 {
  max-width: 780px;
  margin-right: auto;
  margin-left: auto;
}
.site-footer {
  padding: 54px 0 100px;
  color: #b9cad6;
  background: #081d2e;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  padding-bottom: 34px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-grid strong {
  color: var(--white);
}
.footer-grid p {
  margin: 5px 0 0;
  font-size: 13px;
}
.footer-grid nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: end;
  gap: 20px;
}
.footer-grid a {
  font-size: 13px;
  text-decoration: none;
}
.legal-placeholder {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  padding-top: 28px;
  font-size: 11px;
}
.legal-placeholder p {
  max-width: 780px;
  margin: 0;
}
.mobile-purchase {
  display: none;
}
@media (max-width: 980px) {
  .hero-grid, .case-grid, .offer-grid {
    grid-template-columns: 1fr;
  }
  .hero-grid {
    gap: 58px;
  }
  .hero-copy {
    max-width: 760px;
  }
  .hero-visual {
    width: min(560px, 100%);
    margin-inline: auto;
  }
  .book-cover {
    left: 50%;
    right: auto;
    transform: translateX(-50%) rotateY(-8deg) rotateZ(1deg);
  }
  .book-shadow {
    left: 50%;
    right: auto;
    transform: translateX(-50%) rotate(-3deg);
  }
  .book-badge {
    right: 7%;
  }
  .system-flow {
    grid-template-columns: repeat(2, 1fr);
  }
  .system-flow::before {
    display: none;
  }
  .split-heading, .author-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .author-card {
    max-width: 520px;
  }
  .offer-grid {
    gap: 45px;
  }
  .offer-card {
    max-width: 580px;
  }
}
@media (max-width: 760px) {
  body {
    padding-bottom: 74px;
    font-size: 16px;
  }
  .container, .narrow {
    width: min(100% - 34px, 1120px);
  }
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 66px;
    padding: 8px 17px;
  }
  .header-link {
    display: none;
  }
  .header-cta {
    padding: 8px 12px;
    font-size: 12px;
  }
  .brand {
    gap: 8px;
    font-size: 12px;
  }
  .brand-mark {
    min-height: 24px;
    padding: 2px 7px;
    font-size: 9px;
  }
  .hero {
    padding: 62px 0 68px;
  }
  h1 {
    font-size: clamp(34px, 10.5vw, 48px);
    line-height: 1.34;
  }
  h2 {
    font-size: clamp(28px, 8vw, 38px);
  }
  .hero-lead {
    font-size: 17px;
  }
  .hero-actions {
    align-items: stretch;
  }
  .hero-actions .primary-button {
    width: 100%;
  }
  .text-link {
    padding: 10px;
    text-align: center;
  }
  .hero-visual {
    min-height: 470px;
  }
  .book-cover {
    width: min(315px, 86%);
    min-height: 430px;
    padding: 30px 26px;
  }
  .book-title {
    font-size: 25px;
  }
  .book-subtitle {
    margin-top: 24px;
    font-size: 13px;
  }
  .book-badge {
    right: 0;
    bottom: 18px;
    width: 112px;
    border-width: 5px;
  }
  .principle-grid {
    grid-template-columns: 1fr;
  }
  .principle-grid > div, .principle-grid > div:first-child {
    padding: 20px 8px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.13);
    border-left: 0;
  }
  .section {
    padding: 76px 0;
  }
  .pain-item {
    grid-template-columns: 28px 1fr;
    padding: 15px;
  }
  .pain-item span {
    width: 28px;
    height: 28px;
  }
  .system-flow, .bonus-grid, .audience-grid, .five-subjects {
    grid-template-columns: 1fr;
  }
  .system-flow article {
    min-height: auto;
  }
  .system-callout {
    align-items: flex-start;
    flex-direction: column;
  }
  .case-section {
    padding-top: 82px;
  }
  .case-grid {
    gap: 45px;
  }
  .case-data {
    padding: 22px;
  }
  .subject-result {
    grid-template-columns: 45px 1fr auto 1fr;
    gap: 8px;
  }
  .subject-result strong {
    font-size: 40px;
  }
  .curriculum-list article {
    grid-template-columns: 50px 1fr;
    gap: 14px;
    padding: 20px 17px;
  }
  .curriculum-list article > span {
    font-size: 23px;
  }
  .five-subjects {
    gap: 8px;
  }
  .author-grid {
    gap: 42px;
  }
  .author-card {
    min-height: 300px;
    padding: 32px;
  }
  .author-monogram {
    width: 100px;
    height: 100px;
    font-size: 31px;
  }
  .audience-grid > div {
    padding: 28px 22px;
  }
  .offer-section {
    padding: 82px 0;
  }
  .offer-card {
    padding: 29px 22px;
  }
  .price-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }
  .price-row strong {
    font-size: 43px;
  }
  .footer-grid, .legal-placeholder {
    grid-template-columns: 1fr;
    display: grid;
  }
  .footer-grid nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
  .mobile-purchase {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 70;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 9px 14px calc(9px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, 0.97);
    border-top: 1px solid var(--line);
    box-shadow: 0 -10px 30px rgba(12, 39, 64, 0.12);
    backdrop-filter: blur(12px);
  }
  .mobile-purchase > div {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.4;
  }
  .mobile-purchase small {
    color: var(--muted);
    font-size: 9px;
  }
  .mobile-purchase strong {
    color: var(--navy-950);
    font-size: 18px;
  }
  .mobile-purchase a {
    display: grid;
    place-items: center;
    min-height: 48px;
    color: var(--white);
    background: var(--orange-600);
    border-radius: 7px;
    font-size: 13px;
    font-weight: 900;
    text-decoration: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}
.legal-placeholder a {
  color: #a9d5f5;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}
.editor-page {
  min-height: 100vh;
  padding: 48px max(24px, calc((100vw - 1040px) / 2)) 80px;
  color: var(--navy-950);
  background: #f4f1e9;
}
.editor-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 28px;
}
.editor-header h1 {
  margin: 10px 0;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}
.editor-header p {
  margin: 0;
  color: var(--muted);
}
.editor-header > a, .editor-access-denied a {
  display: inline-flex;
  padding: 13px 20px;
  color: var(--white);
  background: var(--navy-950);
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
}
.editor-badge {
  color: var(--orange-600);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.16em;
}
.editor-guide {
  margin-bottom: 28px;
  padding: 24px 28px;
  background: var(--white);
  border-left: 5px solid var(--orange-600);
  border-radius: 0 18px 18px 0;
  box-shadow: 0 12px 36px rgba(16, 45, 79, 0.08);
}
.editor-guide ol {
  margin: 12px 0;
  padding-left: 1.4em;
}
.editor-guide p {
  margin-bottom: 0;
  color: var(--muted);
}
.editor-groups {
  display: grid;
  gap: 22px;
}
.editor-group {
  padding: 28px;
  background: var(--white);
  border: 1px solid rgba(16, 45, 79, 0.1);
  border-radius: 22px;
  box-shadow: 0 10px 30px rgba(16, 45, 79, 0.06);
}
.editor-group h2 {
  margin: 0 0 22px;
  font-size: 1.25rem;
}
.editor-fields {
  display: grid;
  gap: 20px;
}
.editor-fields label {
  display: grid;
  gap: 8px;
}
.editor-fields label > span {
  font-size: 0.9rem;
  font-weight: 900;
}
.editor-fields input, .editor-fields textarea {
  width: 100%;
  padding: 12px 14px;
  color: var(--navy-950);
  background: #fcfbf7;
  border: 1px solid #cad3dc;
  border-radius: 11px;
  font: inherit;
  line-height: 1.7;
}
.editor-fields textarea {
  min-height: 90px;
  resize: vertical;
}
.editor-fields input:focus, .editor-fields textarea:focus {
  border-color: var(--blue-600);
  outline: none;
  box-shadow: 0 0 0 3px rgba(34, 116, 184, 0.13);
}
.editor-fields small {
  color: var(--muted);
}
.editor-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 28px;
}
.editor-actions > div {
  display: flex;
  align-items: center;
  gap: 18px;
}
.editor-actions p {
  margin: 0;
  color: var(--muted);
}
.editor-reset, .editor-save {
  padding: 14px 22px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-weight: 900;
}
.editor-reset {
  color: var(--muted);
  background: transparent;
  text-decoration: underline;
}
.editor-save {
  min-width: 160px;
  color: var(--white);
  background: var(--orange-600);
}
.editor-save:disabled {
  cursor: wait;
  opacity: 0.6;
}
.editor-access-denied {
  display: flex;
  min-height: 100vh;
  padding: 10vw;
  color: var(--navy-950);
  background: #f4f1e9;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}
@media (max-width: 700px) {
  .editor-page {
    padding: 30px 18px 110px;
  }
  .editor-header, .editor-actions, .editor-actions > div {
    align-items: stretch;
    flex-direction: column;
  }
  .editor-group {
    padding: 22px 18px;
    border-radius: 16px;
  }
  .editor-save {
    width: 100%;
  }
}