:root {
  --paper: #fbfaf7;
  --paper-deep: #f4f0e8;
  --surface: #ffffff;
  --ink: #282521;
  --ink-soft: #68615a;
  --brown: #5a3527;
  --brown-deep: #3b241c;
  --amber: #a66b2b;
  --amber-pale: #e8d3b3;
  --navy: #263849;
  --line: #ded8cd;
  --line-soft: #ebe6dd;
  --shadow: 0 18px 46px rgba(62, 46, 35, 0.08);
  --radius: 18px;
  --shell: 1160px;
  --serif: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

.site-shell {
  width: min(calc(100% - 40px), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 16px;
  color: #fff;
  background: var(--navy);
  border-radius: 8px;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 250, 247, 0.95);
  border-bottom: 1px solid rgba(90, 53, 39, 0.12);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: #fff;
  background: var(--brown);
  border: 1px solid var(--brown-deep);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 21px;
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.14);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-copy strong {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.06em;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 9px;
  letter-spacing: 0.13em;
}

.global-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.global-nav a {
  position: relative;
  color: #46413d;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.global-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  background: var(--amber);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.global-nav a:hover::after,
.global-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 8px;
  color: var(--ink);
  background: transparent;
  border: 0;
  cursor: pointer;
}

.nav-toggle-label {
  font-size: 12px;
  font-weight: 700;
}

.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
  display: block;
  width: 23px;
  height: 1px;
  background: currentColor;
}

.nav-toggle-lines {
  position: relative;
}

.nav-toggle-lines::before,
.nav-toggle-lines::after {
  position: absolute;
  left: 0;
  content: "";
}

.nav-toggle-lines::before {
  top: -7px;
}

.nav-toggle-lines::after {
  top: 7px;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 78% 40%, rgba(166, 107, 43, 0.12), transparent 28%),
    linear-gradient(135deg, #fbfaf7 0%, #f5f0e7 100%);
}

.hero::before {
  position: absolute;
  top: -120px;
  left: -120px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(90, 53, 39, 0.1);
  border-radius: 50%;
  content: "";
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(330px, 0.65fr);
  align-items: center;
  min-height: 620px;
  gap: 70px;
  padding-block: 82px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--amber);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(37px, 5.3vw, 66px);
  font-weight: 600;
  line-height: 1.42;
  letter-spacing: 0.04em;
}

.hero-description {
  max-width: 700px;
  margin: 30px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 2;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  transition: color 150ms ease, background 150ms ease, border-color 150ms ease;
}

.button-primary {
  color: #fff;
  background: var(--brown);
  border-color: var(--brown);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--brown-deep);
}

.button-quiet {
  color: var(--brown);
  background: transparent;
  border-color: rgba(90, 53, 39, 0.34);
}

.button-quiet:hover,
.button-quiet:focus-visible {
  background: rgba(90, 53, 39, 0.06);
  border-color: var(--brown);
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  max-width: 400px;
  margin-left: auto;
  color: var(--brown);
}

.hero-kicker {
  display: grid;
  place-items: center;
  width: 142px;
  height: 142px;
  color: #fff;
  background: var(--brown);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 58px;
  box-shadow: var(--shadow);
}

.hero-orbit {
  position: absolute;
  border: 1px solid rgba(90, 53, 39, 0.25);
  border-radius: 50%;
}

.orbit-one {
  inset: 12%;
}

.orbit-two {
  inset: 1%;
  border-style: dashed;
}

.hero-visual p {
  position: absolute;
  right: 0;
  bottom: 8%;
  margin: 0;
  padding: 9px 12px;
  background: rgba(251, 250, 247, 0.85);
  font-family: var(--serif);
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: 0.08em;
}

.section {
  padding-block: 92px;
}

.section-tinted {
  background: var(--paper-deep);
  border-block: 1px solid var(--line-soft);
}

.intro-strip {
  padding-block: 38px;
  background: var(--surface);
}

.intro-grid {
  display: grid;
  grid-template-columns: 190px 1fr;
  align-items: center;
  gap: 38px;
}

.section-label {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 700;
}

.intro-points {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.intro-points div {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-inline: 24px;
  border-left: 1px solid var(--line);
}

.intro-points strong {
  color: var(--amber);
  font-family: var(--serif);
  font-size: 14px;
}

.intro-points span {
  font-size: 13px;
  font-weight: 600;
}

.section-heading {
  margin-bottom: 38px;
}

.split-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 50px;
}

.section-heading h2,
.listing-header h1,
.category-header h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.04em;
}

.section-heading h2 {
  font-size: clamp(28px, 4vw, 39px);
}

.split-heading > p {
  max-width: 520px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.9;
}

.compact-heading {
  align-items: center;
}

.compact-heading h2 {
  font-size: 28px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 8px;
  color: var(--brown);
  font-size: 14px;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(90, 53, 39, 0.35);
  text-underline-offset: 5px;
}

.text-link:hover,
.text-link:focus-visible {
  text-decoration-color: currentColor;
}

.beginner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.beginner-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 320px;
  padding: 28px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: 0 8px 28px rgba(62, 46, 35, 0.04);
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.beginner-card::after {
  position: absolute;
  right: -45px;
  bottom: -65px;
  width: 160px;
  height: 160px;
  background: rgba(166, 107, 43, 0.06);
  border: 1px solid rgba(166, 107, 43, 0.12);
  border-radius: 50%;
  content: "";
}

.beginner-card:hover,
.beginner-card:focus-visible {
  border-color: var(--amber-pale);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.beginner-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.category-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  color: var(--brown);
  background: var(--paper-deep);
  border: 1px solid var(--amber-pale);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 18px;
}

.beginner-card h3 {
  margin: 30px 0 14px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.55;
}

.beginner-card p {
  margin: 0 0 26px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.85;
}

.card-link {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  color: var(--brown);
  font-size: 13px;
  font-weight: 700;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.article-card {
  display: flex;
  flex-direction: column;
  min-height: 300px;
  padding: 27px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.article-card:hover,
.article-card:focus-visible {
  border-color: var(--amber-pale);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink-soft);
  font-size: 11px;
}

.card-topline span {
  color: var(--brown);
  font-weight: 800;
}

.article-card h3 {
  margin: 26px 0 14px;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.6;
}

.article-card p {
  margin: 0 0 24px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.9;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.category-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  min-height: 126px;
  padding: 21px 24px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  transition: border-color 150ms ease, background 150ms ease;
}

.category-card:hover,
.category-card:focus-visible {
  background: #fdfbf7;
  border-color: var(--amber-pale);
}

.category-card-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.category-card-copy strong {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
}

.category-card-copy small {
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.6;
}

.category-count {
  min-width: 54px;
  color: var(--ink-soft);
  font-size: 11px;
  text-align: right;
}

.philosophy-section {
  padding-top: 20px;
}

.philosophy-card {
  padding: 68px clamp(30px, 7vw, 90px);
  color: #f9f5ef;
  background:
    radial-gradient(circle at 85% 25%, rgba(232, 211, 179, 0.14), transparent 28%),
    var(--navy);
  border-radius: 24px;
}

.philosophy-card h2 {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.philosophy-card > p:not(.eyebrow) {
  max-width: 710px;
  margin: 0 0 26px;
  color: rgba(255, 255, 255, 0.76);
  line-height: 2;
}

.light-link {
  color: #f4dfbd;
  text-decoration-color: rgba(244, 223, 189, 0.35);
}

.breadcrumb-wrap {
  padding-block: 22px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 9px;
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 11px;
  white-space: nowrap;
}

.breadcrumbs a {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
}

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
  text-decoration-color: currentColor;
}

.breadcrumbs span[aria-current="page"] {
  overflow: hidden;
  color: #847b73;
  text-overflow: ellipsis;
}

.article-header {
  padding-block: 68px 72px;
  background: var(--paper-deep);
  border-block: 1px solid var(--line-soft);
}

.article-header-inner {
  max-width: 900px;
}

.category-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 13px;
  color: var(--brown);
  background: rgba(166, 107, 43, 0.09);
  border: 1px solid rgba(166, 107, 43, 0.25);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.article-header h1 {
  margin: 24px 0 20px;
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 600;
  line-height: 1.48;
  letter-spacing: 0.035em;
}

.article-lead {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.95;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 28px;
  color: var(--ink-soft);
  font-size: 12px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 15px;
}

.tag-list span {
  color: var(--ink-soft);
  font-size: 11px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 780px) minmax(250px, 1fr);
  align-items: start;
  gap: 70px;
  padding-block: 72px 90px;
}

.article-main {
  min-width: 0;
  padding: 0 24px 50px;
  background: var(--surface);
  border-radius: var(--radius);
}

.article-age-note {
  display: grid;
  gap: 4px;
  margin: 0 0 28px;
  padding: 15px 18px;
  color: var(--ink-soft);
  background: #faf6ef;
  border: 1px solid var(--amber-pale);
  border-left: 3px solid var(--amber);
  border-radius: 10px;
}

.article-age-note strong {
  color: var(--brown);
  font-size: 12px;
}

.article-age-note p {
  margin: 0;
  font-size: 12px;
  line-height: 1.75;
}

.article-toc {
  margin: 0 -24px 52px;
  padding: 26px 30px;
  background: var(--paper-deep);
  border: 1px solid var(--line-soft);
  border-radius: 14px;
}

.article-toc > p {
  margin: 0 0 12px;
  color: var(--brown);
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
}

.article-toc ol {
  margin: 0;
  padding-left: 1.35em;
}

.article-toc li {
  margin: 6px 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.article-toc .toc-level-3 {
  margin-left: 18px;
}

.article-toc a:hover,
.article-toc a:focus-visible {
  color: var(--brown);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose {
  color: #34312e;
  font-size: 16px;
  line-height: 2.05;
}

.prose > *:first-child {
  margin-top: 0;
}

.prose h2,
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
  scroll-margin-top: 104px;
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.55;
}

.prose h2 {
  margin: 2.8em 0 1em;
  padding: 0 0 13px;
  border-bottom: 1px solid var(--line);
  font-size: clamp(25px, 4vw, 32px);
}

.prose h2::before {
  display: block;
  width: 34px;
  height: 3px;
  margin-bottom: 13px;
  background: var(--amber);
  content: "";
}

.prose h3 {
  margin: 2.2em 0 0.8em;
  padding-left: 14px;
  border-left: 3px solid var(--amber-pale);
  font-size: 22px;
}

.prose h4 {
  margin: 2em 0 0.7em;
  color: var(--brown);
  font-size: 18px;
}

.prose p {
  margin: 1.4em 0;
}

.prose a {
  color: #24507a;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose strong {
  background: linear-gradient(transparent 65%, rgba(232, 211, 179, 0.55) 65%);
  font-weight: 700;
}

.prose ul,
.prose ol {
  margin: 1.4em 0;
  padding: 20px 24px 20px 46px;
  background: #faf8f3;
  border-radius: 10px;
}

.prose li + li {
  margin-top: 7px;
}

.prose blockquote {
  margin: 2em 0;
  padding: 22px 26px;
  color: #5d564f;
  background: #f7f3eb;
  border-left: 4px solid var(--amber);
  border-radius: 0 10px 10px 0;
}

.prose blockquote > *:first-child {
  margin-top: 0;
}

.prose blockquote > *:last-child {
  margin-bottom: 0;
}

.prose code {
  padding: 0.16em 0.38em;
  color: var(--brown-deep);
  background: #eee8df;
  border-radius: 4px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.9em;
}

.prose pre {
  max-width: 100%;
  margin: 1.8em 0;
  padding: 22px;
  overflow-x: auto;
  color: #f5f2ed;
  background: #252a2e;
  border-radius: 10px;
  line-height: 1.65;
}

.prose pre code {
  padding: 0;
  color: inherit;
  background: transparent;
}

.prose hr {
  width: 80px;
  margin: 3em auto;
  border: 0;
  border-top: 1px solid var(--line);
}

.table-scroll {
  max-width: 100%;
  margin: 2em 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.prose table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.prose th,
.prose td {
  padding: 13px 15px;
  border-bottom: 1px solid var(--line-soft);
}

.prose th {
  color: var(--brown-deep);
  background: var(--paper-deep);
  font-weight: 700;
}

.prose tbody tr:last-child td {
  border-bottom: 0;
}

.article-aside {
  position: sticky;
  top: 108px;
  display: grid;
  gap: 18px;
}

.aside-panel {
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: 14px;
}

.aside-title {
  margin: 0 0 16px;
  padding-bottom: 10px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line-soft);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.aside-category {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.small-mark {
  width: 38px;
  height: 38px;
  font-size: 15px;
}

.aside-category > span:last-child {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.aside-category strong {
  font-family: var(--serif);
  font-size: 16px;
}

.aside-category small {
  color: var(--ink-soft);
  font-size: 10px;
  line-height: 1.6;
}

.aside-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.aside-links li + li {
  border-top: 1px solid var(--line-soft);
}

.aside-links a {
  display: block;
  padding: 9px 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.aside-links a:hover,
.aside-links a:focus-visible {
  color: var(--brown);
}

.aside-all {
  margin-top: 16px;
  font-size: 12px;
}

.related-section {
  background: var(--paper-deep);
  border-top: 1px solid var(--line-soft);
}

.empty-state {
  grid-column: 1 / -1;
  padding: 40px;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: 14px;
  text-align: center;
}

.empty-state p {
  margin: 0 0 12px;
}

.category-header,
.listing-header {
  background: var(--paper-deep);
  border-block: 1px solid var(--line-soft);
}

.category-header-inner {
  display: flex;
  align-items: center;
  max-width: 900px;
  gap: 32px;
  padding-block: 60px;
}

.large-mark {
  width: 92px;
  height: 92px;
  font-size: 34px;
}

.category-header h1,
.listing-header h1 {
  font-size: clamp(34px, 5vw, 48px);
}

.category-header p:last-child,
.listing-header p:last-child {
  max-width: 720px;
  margin: 13px 0 0;
  color: var(--ink-soft);
}

.category-back {
  margin-top: 40px;
  text-align: center;
}

.listing-header .site-shell {
  padding-block: 60px;
}

.site-footer {
  padding-block: 66px 26px;
  color: rgba(255, 255, 255, 0.78);
  background: var(--brown-deep);
}

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

.footer-brand {
  margin: 0;
  color: #fff;
  font-family: var(--serif);
  font-size: 23px;
  letter-spacing: 0.06em;
}

.footer-copy {
  margin: 7px 0 0;
  font-family: var(--serif);
  font-size: 13px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 25px;
  font-size: 12px;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.responsibility-note {
  margin-top: 42px;
  padding: 22px 24px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
}

.responsibility-note strong {
  display: block;
  margin-bottom: 5px;
  color: #f1d8b3;
  font-size: 12px;
}

.responsibility-note p {
  margin: 0;
  font-size: 12px;
  line-height: 1.8;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.48);
}

.footer-bottom small {
  font-size: 10px;
}

:focus-visible {
  outline: 3px solid rgba(166, 107, 43, 0.45);
  outline-offset: 3px;
}

@media (max-width: 1040px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.65fr);
    gap: 30px;
  }

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

  .article-layout {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 32px;
  }
}

@media (max-width: 880px) {
  .nav-toggle {
    display: inline-flex;
  }

  .global-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    padding: 8px 20px 18px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px rgba(62, 46, 35, 0.08);
  }

  .global-nav.is-open {
    display: grid;
  }

  .global-nav a {
    padding: 10px 4px;
    border-bottom: 1px solid var(--line-soft);
  }

  .global-nav a::after {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-block: 70px 45px;
  }

  .hero-visual {
    width: min(70vw, 330px);
    margin-inline: auto;
  }

  .intro-grid {
    grid-template-columns: 1fr;
    gap: 17px;
  }

  .intro-points div:first-child {
    border-left: 0;
  }

  .intro-points div {
    padding-inline: 14px;
  }

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

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-aside {
    position: static;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 660px) {
  .site-shell {
    width: min(calc(100% - 30px), var(--shell));
  }

  .header-inner {
    min-height: 68px;
  }

  .brand-mark {
    width: 39px;
    height: 39px;
    font-size: 18px;
  }

  .brand-copy strong {
    font-size: 17px;
  }

  .brand-copy small {
    display: none;
  }

  .nav-toggle-label {
    display: none;
  }

  .hero-grid {
    padding-block: 56px 38px;
  }

  .hero h1 {
    font-size: clamp(32px, 9vw, 42px);
    line-height: 1.52;
  }

  .hero-description {
    margin-top: 23px;
    font-size: 14px;
    line-height: 1.9;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .hero-visual {
    width: min(74vw, 270px);
  }

  .hero-kicker {
    width: 108px;
    height: 108px;
    font-size: 45px;
  }

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

  .intro-points div {
    min-height: 52px;
    padding: 10px;
    border-top: 1px solid var(--line-soft);
    border-left: 0;
  }

  .intro-points div:nth-child(even) {
    border-left: 1px solid var(--line-soft);
  }

  .section {
    padding-block: 66px;
  }

  .intro-strip {
    padding-block: 28px;
  }

  .split-heading {
    display: grid;
    gap: 18px;
  }

  .section-heading {
    margin-bottom: 28px;
  }

  .section-heading h2 {
    font-size: 29px;
  }

  .beginner-grid,
  .article-grid,
  .category-grid {
    grid-template-columns: 1fr;
  }

  .beginner-card,
  .article-card {
    min-height: 0;
    padding: 24px;
  }

  .beginner-card h3,
  .article-card h3 {
    margin-top: 22px;
  }

  .category-card {
    grid-template-columns: auto 1fr;
    padding: 18px;
  }

  .category-count {
    grid-column: 2;
    text-align: left;
  }

  .philosophy-section {
    padding-top: 0;
  }

  .philosophy-card {
    width: 100%;
    padding: 50px 24px;
    border-radius: 0;
  }

  .article-header {
    padding-block: 46px 50px;
  }

  .article-header h1 {
    font-size: 34px;
  }

  .article-lead {
    font-size: 14px;
  }

  .article-layout {
    width: 100%;
    gap: 26px;
    padding-block: 48px 62px;
  }

  .article-main {
    padding: 0 20px 36px;
    border-radius: 0;
  }

  .article-toc {
    margin: 0 0 40px;
    padding: 22px;
  }

  .prose {
    font-size: 15px;
    line-height: 2;
  }

  .prose h2 {
    font-size: 25px;
  }

  .prose h3 {
    font-size: 20px;
  }

  .prose ul,
  .prose ol {
    padding: 17px 18px 17px 38px;
  }

  .article-aside {
    grid-template-columns: 1fr;
    padding-inline: 15px;
  }

  .category-header-inner {
    align-items: flex-start;
    gap: 20px;
    padding-block: 44px;
  }

  .large-mark {
    width: 62px;
    height: 62px;
    font-size: 24px;
  }

  .category-header h1,
  .listing-header h1 {
    font-size: 34px;
  }

  .listing-header .site-shell {
    padding-block: 44px;
  }

  .footer-grid,
  .footer-bottom {
    display: grid;
  }

  .footer-nav {
    display: grid;
    gap: 9px;
  }

  .responsibility-note {
    padding: 18px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}