/* ==========================================================================
   阅读3 官网 · 共享样式表
   ========================================================================== */

:root {
  --bg: #efeeea;
  --surface: #ffffff;
  --ink: #141414;
  --ink-soft: #3a3a3a;
  --text: #5a5a55;
  --muted: #8a8578;
  --red: #c8102e;
  --cream: #f2f1ec;

  --dark: #141414;
  --dark-card: #1f1f1e;
  --dark-line: #2a2a28;
  --dark-title: #6b6b66;
  --dark-link: #c4c4be;
  --dark-text: #9a9a94;
  --dark-mark: #1b1b1a;

  --warn-bg: #fbf6e9;
  --warn-line: rgba(199, 163, 74, 0.45);
  --warn-text: #7a6420;

  --hair: rgba(0, 0, 0, 0.06);
  --hair-mid: rgba(0, 0, 0, 0.3);

  --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", SimSun, serif;
  --font-sans: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "HarmonyOS Sans SC",
    "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-num: "Cormorant Garamond", Georgia, "Times New Roman", serif;

  --r-card: 16px;
  --r-btn: 12px;
  --r-sm: 10px;
  --r-chip: 8px;

  --pad-x: 120px;
  --ease: 0.2s ease;
}

/* --------------------------------------------------------------- base */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

hr {
  height: 1px;
  margin: 0;
  border: 0;
  background: var(--dark-line);
}

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --------------------------------------------------------------- layout */

.container {
  width: 100%;
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.section {
  --gap: 52px;
  padding: 100px 0;
}

.section > .container {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.section--lg {
  --gap: 56px;
}

.section--sm {
  --gap: 32px;
}

.section--dark {
  background: var(--dark);
  color: #fff;
}

.section--dark .section-title {
  color: #fff;
}

.section--dark .lead {
  color: var(--dark-text);
}

.section > .container > .btn {
  align-self: flex-start;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid--tight {
  gap: 20px;
}

/* --------------------------------------------------------------- type */

.eyebrow {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--red);
}

.display {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 64px;
  line-height: 1.19;
  letter-spacing: -0.01em;
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 40px;
  line-height: 1.25;
}

.title-md {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 32px;
  line-height: 1.3;
}

.title-sm {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.35;
}

.lead {
  font-size: 17px;
  line-height: 1.88;
  color: var(--text);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.section-head .lead {
  font-size: 16px;
}

/* --------------------------------------------------------------- buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 34px;
  border: 0;
  border-radius: var(--r-btn);
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition: opacity var(--ease), background-color var(--ease), border-color var(--ease);
}

.btn:hover {
  opacity: 0.86;
}

.btn--dark {
  background: var(--ink);
  color: #fff;
}

.btn--ghost {
  padding: 15px 30px;
  background: transparent;
  border: 1px solid var(--hair-mid);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--ink);
  opacity: 1;
}

.btn--red {
  background: var(--red);
  color: #fff;
}

.btn--light {
  background: #fff;
  color: var(--ink);
}

.btn--sm {
  padding: 12px 26px;
  font-size: 15px;
}

.btn--block {
  width: 100%;
  padding: 14px 0;
  font-size: 15px;
}

.btn--block-ghost {
  width: 100%;
  padding: 13px 0;
  background: transparent;
  border: 1px solid var(--hair-mid);
  color: var(--ink);
  font-size: 15px;
}

.btn--block-ghost:hover {
  border-color: var(--ink);
  opacity: 1;
}

/* --------------------------------------------------------------- card */

.card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid transparent;
  border-radius: var(--r-card);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.05);
}

.card--hairline {
  border-color: var(--hair);
  box-shadow: none;
}

.card--accent {
  border-color: var(--red);
  box-shadow: none;
}

.card--dark {
  background: var(--dark-card);
  box-shadow: none;
}

.card-icon {
  flex: none;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--cream);
  color: var(--ink);
}

.card-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.4;
}

.card-text {
  font-size: 14px;
  line-height: 1.86;
  color: var(--text);
}

.card-points {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 2;
  color: var(--muted);
}

.card-points li::before {
  content: "· ";
}

/* --------------------------------------------------------------- chips */

.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 6px;
  background: var(--cream);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--text);
}

.tag--red {
  background: var(--red);
  color: #fff;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border: 1px solid var(--hair);
  border-radius: var(--r-chip);
  background: var(--surface);
  font-size: 14px;
  color: var(--ink-soft);
  transition: border-color var(--ease), color var(--ease);
}

.chip:hover {
  border-color: var(--red);
  color: var(--red);
}

/* --------------------------------------------------------------- notice */

.notice {
  display: flex;
  gap: 14px;
  padding: 20px 24px;
  border: 1px solid var(--hair);
  border-radius: var(--r-sm);
  background: var(--surface);
}

.notice svg {
  flex: none;
  margin-top: 3px;
  color: var(--muted);
}

.notice p {
  font-size: 14px;
  line-height: 1.86;
  color: var(--text);
}

.notice--red {
  border-color: rgba(200, 16, 46, 0.25);
}

.notice--red svg {
  color: var(--red);
}

.notice--warn {
  background: var(--warn-bg);
  border-color: var(--warn-line);
}

.notice--warn svg {
  color: #c7a34a;
}

.notice--warn p {
  font-size: 15px;
  line-height: 1.87;
  color: var(--warn-text);
}

.notice--plain {
  gap: 12px;
  padding: 18px 22px;
  border-radius: var(--r-sm);
}

.notice--plain p {
  line-height: 1.86;
}

/* --------------------------------------------------------------- header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  border-radius: 9px;
}

.brand-name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 21px;
}

.site-nav {
  display: flex;
  gap: 34px;
  margin-inline-end: auto;
  margin-inline-start: 60px;
}

.site-nav a {
  font-size: 15px;
  color: var(--ink-soft);
  transition: color var(--ease);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--red);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--hair-mid);
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

/* --------------------------------------------------------------- hero */

.hero > .container {
  display: grid;
  grid-template-columns: 620px minmax(0, 1fr);
  gap: 80px;
  align-items: center;
  padding-block: 80px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 26px;
  align-items: flex-start;
}

.hero-meta {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.phone {
  width: 320px;
  height: 620px;
  padding: 4px;
  border: 1px solid var(--ink);
  border-radius: 38px;
  background: #fff;
  overflow: hidden;
}

.phone-screen {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: 32px;
  background: #f5f4f0;
  overflow: hidden;
}

.phone-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 26px 0;
  font-size: 12px;
  font-weight: 500;
  color: #1a1a1a;
}

.phone-indicators {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 400;
}

.phone-battery {
  width: 22px;
  height: 11px;
  padding: 2px;
  border-radius: 3px;
  background: rgba(26, 26, 26, 0.22);
}

.phone-battery i {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 2px;
  background: #1a1a1a;
}

.phone-reading {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 6px 26px 0;
  overflow: hidden;
  font-family: var(--font-serif);
  color: #3a3a33;
}

.phone-chapter {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 24px;
  text-align: center;
  color: #1a1a1a;
}

.phone-reading p {
  font-size: 13px;
  line-height: 24px;
}

.phone-progress {
  height: 2px;
  background: rgba(0, 0, 0, 0.08);
}

.phone-progress i {
  display: block;
  width: 118px;
  height: 100%;
  background: var(--red);
}

.phone-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 26px 16px;
  font-size: 11px;
  color: #8a857c;
}

/* --------------------------------------------------------------- version */

.version-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.version {
  flex-direction: row;
  align-items: center;
  gap: 32px;
  padding: 28px 32px;
}

.version-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.version-name {
  display: flex;
  align-items: center;
  gap: 12px;
}

.version-name b {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: 30px;
  line-height: 1.13;
}

.version-meta {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.version-info .card-text {
  font-size: 15px;
  line-height: 1.73;
}

.version > .btn {
  flex: none;
}

.version-card {
  gap: 18px;
  padding: 32px;
  align-items: flex-start;
}

.version-num {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: 44px;
  line-height: 48px;
  color: var(--ink);
}

.version-type {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--text);
}

.version-type--red {
  color: var(--red);
}

.version-card .card-text,
.version-card .btn {
  width: 100%;
}

.feat-card {
  gap: 16px;
  padding: 28px;
}

.install-card {
  gap: 12px;
  padding: 26px;
  border-radius: 14px;
  align-items: flex-start;
}

.install-card .num {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: 26px;
  line-height: 30px;
  color: var(--red);
}

.install-card .card-title {
  font-size: 17px;
}

.install-card .card-text {
  line-height: 1.86;
}

.feat-wide {
  gap: 16px;
  padding: 32px;
}

.feat-wide .card-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.feat-wide .card-text {
  font-size: 15px;
  line-height: 1.87;
}

.feat-wide .card-points {
  font-size: 14px;
  line-height: 2;
}

/* --------------------------------------------------------------- numbered card */

.step-card {
  gap: 14px;
  padding: 28px;
}

.step-card .num {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: 40px;
  line-height: 1.1;
  color: var(--red);
}

.step-card .card-title {
  font-size: 18px;
}

.step-card--dark .card-title {
  color: #fff;
}

.step-card--dark .card-text {
  color: var(--dark-text);
  line-height: 1.71;
}

/* --------------------------------------------------------------- about */

.about > .container {
  display: grid;
  grid-template-columns: 560px minmax(0, 1fr);
  gap: 80px;
}

.about-copy {
  display: flex;
  flex-direction: column;
  gap: 22px;
  align-items: flex-start;
}

.about-copy h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 38px;
  line-height: 1.37;
}

.about-copy p:not(.eyebrow) {
  font-size: 16px;
  line-height: 2;
  color: var(--text);
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.about-tags span {
  padding: 9px 18px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--r-chip);
  background: var(--surface);
  font-size: 13px;
  color: var(--ink-soft);
}

.about-visual {
  width: 100%;
  height: 420px;
  border-radius: var(--r-card);
  object-fit: cover;
}

/* --------------------------------------------------------------- faq */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 860px;
}

details.faq-item {
  display: block;
}

.faq-item {
  border: 1px solid var(--hair);
  border-radius: 12px;
  background: var(--surface);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary svg {
  flex: none;
  color: var(--muted);
  transition: transform var(--ease);
}

.faq-item[open] summary svg {
  transform: rotate(180deg);
}

.faq-item .answer {
  padding: 0 28px 24px;
  font-size: 15px;
  line-height: 1.87;
  color: var(--text);
}

.faq-item--static {
  padding: 22px 26px;
}

.faq-item--static h3 {
  font-size: 16px;
  font-weight: 500;
}

.faq-item--static p {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.87;
  color: var(--text);
}

.faq-group {
  padding-top: 0;
  padding-bottom: 48px;
}

.faq-group > .container {
  gap: 14px;
}

.faq-group:last-of-type {
  padding-bottom: 100px;
}

/* --------------------------------------------------------------- page head */

.page-head > .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
  padding-block: 80px 56px;
}

.page-head h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 52px;
  line-height: 1.22;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 12px;
}

/* --------------------------------------------------------------- guide */

.guide-step {
  padding-top: 0;
  padding-bottom: 48px;
}

.section--end {
  padding-bottom: 100px;
}

.guide-step:last-child {
  padding-bottom: 0;
}

.guide-step > .container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.guide-head {
  display: flex;
  align-items: center;
  gap: 16px;
}

.num-badge {
  flex: none;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--r-sm);
  background: var(--ink);
  font-family: var(--font-num);
  font-weight: 600;
  font-size: 16px;
  color: #fff;
}

.guide-head h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.3;
}

.guide-para {
  font-size: 16px;
  line-height: 2;
  color: var(--text);
}

.source-bar > .btn {
  flex: none;
}

.source-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 22px 26px;
  border: 1px solid var(--hair);
  border-radius: 14px;
  background: var(--surface);
}

.source-bar h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 18px;
}

.source-bar p {
  margin-top: 6px;
  font-size: 14px;
  color: var(--muted);
}

.method {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--hair);
  border-radius: 14px;
  background: var(--surface);
}

.method--accent {
  border-color: rgba(200, 16, 46, 0.35);
}

.method-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.method-head h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 19px;
}

.method ol {
  margin: 0;
  padding-left: 20px;
  font-size: 15px;
  line-height: 2;
  color: var(--ink-soft);
}

.method .notice--plain {
  border: 0;
  padding: 0;
  background: transparent;
}

.method .notice--plain svg {
  display: none;
}

.note {
  font-size: 14px;
  line-height: 1.86;
  color: var(--muted);
}

.check-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 26px;
  border: 1px solid var(--hair);
  border-radius: 12px;
  background: var(--surface);
}

.check-item h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
}

.check-item p {
  font-size: 15px;
  line-height: 1.87;
  color: var(--text);
}

/* --------------------------------------------------------------- trouble */

.trouble-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.trouble-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 26px;
  border: 1px solid var(--hair);
  border-radius: 12px;
  background: var(--surface);
}

.trouble-item h3 {
  font-size: 16px;
  font-weight: 500;
}

.trouble-item p {
  font-size: 14px;
  line-height: 1.86;
  color: var(--muted);
}

/* --------------------------------------------------------------- footer */

.site-footer {
  background: var(--dark);
  padding: 80px 0 64px;
}

.site-footer > .container {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 420px;
}

.footer-brand .brand-name {
  color: #fff;
  font-size: 19px;
}

.footer-brand p {
  font-size: 15px;
  line-height: 1.73;
  color: var(--dark-text);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 180px;
}

.footer-col h2 {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--dark-title);
}

.footer-col a {
  font-size: 15px;
  color: var(--dark-link);
  transition: color var(--ease);
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
}

.footer-bottom p:first-child {
  max-width: 780px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--dark-title);
}

.footer-bottom p:last-child {
  flex: none;
  font-size: 13px;
  line-height: 1.5;
  color: var(--dark-title);
}

.footer-mark {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 120px;
  line-height: 1.08;
  text-align: right;
  color: var(--dark-mark);
  user-select: none;
}

/* --------------------------------------------------------------- responsive */

@media (max-width: 1240px) {
  :root {
    --pad-x: 64px;
  }

  .hero > .container {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 48px;
  }

  .about > .container {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
  }

  .display {
    font-size: 54px;
  }

  .footer-mark {
    font-size: 96px;
  }
}

@media (max-width: 1024px) {
  :root {
    --pad-x: 48px;
  }

  .section {
    padding: 72px 0;
  }

  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero > .container {
    grid-template-columns: minmax(0, 1fr);
    justify-items: center;
    text-align: center;
    gap: 56px;
  }

  .hero-copy {
    align-items: center;
    max-width: 620px;
  }

  .hero-actions {
    justify-content: center;
  }

  .about > .container {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }

  .about-copy {
    max-width: 620px;
  }

  .page-head h1 {
    font-size: 42px;
  }

  .section-title {
    font-size: 34px;
  }

  .version {
    flex-wrap: wrap;
    gap: 20px;
  }

  .source-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .footer-top {
    flex-wrap: wrap;
    gap: 40px 32px;
  }

  .footer-brand {
    width: 100%;
  }

  .footer-mark {
    font-size: 80px;
  }
}

@media (max-width: 768px) {
  :root {
    --pad-x: 24px;
  }

  .section {
    padding: 56px 0;
    --gap: 36px;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .display {
    font-size: 38px;
  }

  .section-title {
    font-size: 28px;
  }

  .title-md,
  .about-copy h2 {
    font-size: 24px;
  }

  .page-head h1 {
    font-size: 32px;
  }

  .header-inner {
    padding-block: 16px;
  }

  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .site-nav {
    position: absolute;
    inset: 100% 0 auto;
    flex-direction: column;
    gap: 4px;
    margin: 0;
    padding: 8px var(--pad-x) 20px;
    background: var(--bg);
    border-bottom: 1px solid var(--hair);
    display: none;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 12px 0;
    font-size: 16px;
  }

  .header-cta {
    margin-inline-start: auto;
  }

  .phone {
    width: 100%;
    max-width: 320px;
    height: 560px;
  }

  .phone-reading p:last-child,
  .phone-reading p:nth-last-child(2) {
    display: none;
  }

  .about-visual {
    height: 260px;
  }

  .footer-top {
    gap: 32px;
  }

  .footer-brand,
  .footer-col {
    width: calc(50% - 16px);
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
  }

  .footer-mark {
    font-size: 56px;
  }

  .faq-item summary {
    padding: 18px 20px;
    font-size: 15px;
  }

  .faq-item .answer,
  .faq-item--static p {
    padding-inline: 20px;
    font-size: 14px;
  }

  .faq-item--static {
    padding: 18px 20px;
  }

  .faq-list {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}