/* 动漫共和国 OmoFun · 现代追番日报 */

:root {
  --cream: #FFF7E8;
  --cream-2: #FFFDF6;
  --tomato: #F0442E;
  --cobalt: #1846E8;
  --butter: #FFD84D;
  --ink: #141414;
  --ink-soft: rgba(20, 20, 20, 0.74);
  --cream-soft: rgba(255, 247, 232, 0.78);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", "Consolas", "Liberation Mono", monospace;
  --border: 2px solid var(--ink);
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

p,
h1,
h2,
h3,
ul,
ol,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

.shell {
  width: 100%;
  max-width: 1300px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 48px);
}

.skip {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 40;
  padding: 10px 16px;
  border: var(--border);
  background: var(--butter);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.skip:focus {
  top: 12px;
}

:focus-visible {
  outline: 3px solid var(--cobalt);
  outline-offset: 3px;
}

.classroom :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--butter);
}

/* 顶部刊头信息条 */

.topbar {
  background: var(--ink);
  color: var(--cream);
}

.topbar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 4px 18px;
  padding-block: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.topbar-issue,
.topbar-meta {
  margin: 0;
}

.topbar-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--cream-soft);
}

.topbar-meta .dot {
  color: var(--butter);
}

/* 报头 */

.site-header {
  border-bottom: 3px solid var(--ink);
  background: var(--cream);
}

.masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 26px;
  padding-block: 16px 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: clamp(44px, 5vw, 56px);
  height: clamp(44px, 5vw, 56px);
  flex: none;
}

.brand-text {
  display: block;
}

.brand-latin {
  display: block;
  font-size: clamp(27px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.035em;
}

.brand-latin em {
  font-style: normal;
  color: var(--tomato);
}

.brand-cn {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.34em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px clamp(14px, 2.2vw, 28px);
}

.site-nav a {
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  padding-block: 3px;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  border-bottom-color: var(--tomato);
}

.site-nav .nav-cta {
  padding: 7px 14px;
  border: var(--border);
  background: var(--ink);
  color: var(--cream);
}

.site-nav .nav-cta:hover {
  background: var(--tomato);
  border-color: var(--ink);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: var(--border);
  background: var(--butter);
  color: var(--ink);
  font-family: inherit;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.nav-toggle-bars {
  display: grid;
  gap: 4px;
  width: 16px;
}

.nav-toggle-bars span {
  display: block;
  height: 2px;
  background: var(--ink);
  transition: transform 0.18s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:first-child {
  transform: translateY(3px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

/* 首屏 */

.hero {
  padding-block: clamp(26px, 4.6vw, 60px) clamp(34px, 5vw, 68px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  gap: clamp(26px, 4vw, 60px);
  align-items: start;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.eyebrow-line {
  display: block;
  width: clamp(22px, 3vw, 38px);
  height: 3px;
  background: var(--tomato);
}

.hero-title {
  margin-block: 16px 20px;
  font-size: clamp(38px, 6.2vw, 78px);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -0.045em;
}

.hero-title-line {
  display: block;
}

.hero-title .mark {
  display: inline;
  padding-inline: 0.04em;
  background-image: linear-gradient(180deg, transparent 60%, var(--butter) 60%, var(--butter) 94%, transparent 94%);
  box-decoration-break: clone;
}

.hero-title-sub {
  display: block;
  margin-top: 18px;
  font-size: clamp(13px, 1.5vw, 16px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 34em;
  margin-bottom: 26px;
  font-size: clamp(14.5px, 1.4vw, 16px);
  line-height: 1.85;
  color: var(--ink-soft);
}

.hero-points {
  border-top: var(--border);
  margin-bottom: 28px;
}

.hero-points li {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  padding-block: 11px;
  border-bottom: 1px solid rgba(20, 20, 20, 0.2);
  font-size: 13px;
  line-height: 1.7;
}

.hero-points strong {
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.hero-points span {
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border: var(--border);
  border-radius: 2px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

.btn-primary {
  background: var(--tomato);
  color: var(--cream-2);
  box-shadow: 5px 5px 0 var(--ink);
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--ink);
}

.btn-line {
  background: transparent;
  color: var(--ink);
}

.btn-line:hover {
  background: var(--butter);
}

.hero-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(14px, 2vw, 26px);
  margin-top: clamp(24px, 3vw, 34px);
  padding-top: 4px;
  border-top: var(--border);
}

.hero-index a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-block: 9px;
  border-bottom: 1px solid rgba(20, 20, 20, 0.2);
  font-size: 12.5px;
  font-weight: 800;
  text-decoration: none;
}

.hero-index a span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--tomato);
}

.hero-index a:hover {
  background: var(--butter);
}

/* 头版卡片 */

.front-board {
  position: relative;
  padding: 14px;
  border: var(--border);
  background: var(--cream-2);
  box-shadow: 10px 10px 0 var(--tomato);
}

.front-board-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: var(--border);
}

.front-board-head h2 {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.front-board-no {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--tomato);
}

.front-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.front-lead img,
.front-mini img {
  display: block;
  width: 100%;
  border: var(--border);
}

.front-tag {
  display: inline-block;
  margin-top: 10px;
  padding: 3px 7px;
  background: var(--butter);
  border: 1px solid var(--ink);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.front-lead p {
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.front-side {
  display: grid;
  gap: 12px;
}

.front-mini figcaption {
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

/* 栏目条 */

.strip {
  padding-block: 10px;
  border-block: var(--border);
  background: var(--butter);
}

.strip p {
  width: 100%;
  max-width: 1300px;
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 48px);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.8;
  text-align: center;
}

/* 通用栏头 */

.section {
  padding-block: clamp(42px, 6vw, 82px);
}

.section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  align-items: end;
  margin-bottom: clamp(24px, 3vw, 40px);
  padding-bottom: 16px;
  border-bottom: 3px solid var(--ink);
}

.section-no {
  font-family: var(--font-mono);
  font-size: clamp(38px, 5.6vw, 68px);
  font-weight: 900;
  line-height: 0.78;
  letter-spacing: -0.06em;
  color: var(--tomato);
}

.section-title .eyebrow {
  margin-bottom: 8px;
}

.section-title h2 {
  font-size: clamp(26px, 3.4vw, 42px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.section-desc {
  grid-column: 1 / -1;
  max-width: 60em;
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* 今日四版 */

.page-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(14px, 1.7vw, 22px);
  align-items: start;
}

.page {
  display: flex;
  flex-direction: column;
  padding-top: 9px;
  border-top: 4px solid var(--tomato);
}

.page:nth-child(even) {
  margin-top: clamp(0px, 2.2vw, 30px);
}

.page--dress {
  border-top-color: var(--cobalt);
}

.page--puzzle {
  border-top-color: var(--butter);
}

.page--hot {
  border-top-color: var(--ink);
}

.page-bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--ink);
}

.page-bar h3 {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.page-num {
  flex: none;
  padding: 2px 5px;
  border: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-figure img {
  display: block;
  width: 100%;
  border: var(--border);
  background: var(--cream);
}

.page-note {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 9px;
}

.page-tags li {
  padding: 2px 6px;
  border: 1px solid var(--ink);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* 分类副刊 */

.genre-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: clamp(20px, 2.8vw, 30px);
}

.genre-list li {
  padding: 5px 12px;
  border: var(--border);
  background: var(--cream-2);
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.genre-list li:nth-child(3n + 1) {
  background: var(--butter);
}

.genre-list li:nth-child(4n) {
  background: var(--ink);
  color: var(--cream-2);
}

.shelf {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: clamp(10px, 1.4vw, 18px);
}

.book img {
  display: block;
  width: 100%;
  border: var(--border);
}

.book p {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: rgba(20, 20, 20, 0.72);
}

.book-no {
  display: inline-block;
  padding: 1px 4px;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

/* 漫画教室 */

.classroom {
  padding-block: clamp(42px, 6vw, 78px);
  border-block: 3px solid var(--ink);
  background: var(--cobalt);
  color: var(--cream);
}

.classroom .section-head {
  border-bottom-color: var(--cream);
}

.classroom .section-no {
  color: var(--butter);
}

.classroom .eyebrow-line {
  background-color: var(--butter);
}

.classroom .section-desc {
  color: var(--cream-soft);
}

.classroom-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(24px, 4vw, 54px);
  align-items: start;
}

.classroom-figure {
  max-width: 340px;
  padding: 12px;
  border: 2px solid var(--cream);
  background: rgba(255, 247, 232, 0.06);
}

.classroom-figure img {
  display: block;
  width: 100%;
}

.classroom-figure figcaption {
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--cream-soft);
}

.lesson-list {
  display: grid;
  gap: clamp(14px, 1.8vw, 22px);
}

.lesson-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 247, 232, 0.34);
}

.lesson-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.lesson-no {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: var(--butter);
}

.lesson-tag {
  display: inline-block;
  margin-bottom: 7px;
  padding: 3px 7px;
  border: 1px solid var(--butter);
  color: var(--butter);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.lesson-body h3 {
  margin-bottom: 5px;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.lesson-desc,
.lesson-body p:last-child {
  font-size: 13px;
  line-height: 1.85;
  color: var(--cream-soft);
}

/* 下载 */

.download {
  padding-block: clamp(44px, 6vw, 78px);
  border-bottom: 3px solid var(--ink);
  background: var(--butter);
}

.download-head h2 {
  margin-block: 12px 8px;
  font-size: clamp(30px, 4.6vw, 56px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.download-lead {
  max-width: 42em;
  font-size: 14px;
  line-height: 1.8;
}

.dl-grid {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(12px, 1.8vw, 20px);
  margin-top: clamp(22px, 3vw, 34px);
}

.dl-card {
  flex: 1 1 232px;
  min-width: 0;
  padding: 18px 18px 14px;
  border: var(--border);
  background: var(--cream-2);
  color: var(--ink);
  text-decoration: none;
  box-shadow: 6px 6px 0 var(--ink);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.dl-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--ink);
}

.dl-card--android {
  background: var(--cobalt);
  color: var(--cream-2);
}

.dl-card--ios {
  background: var(--ink);
  color: var(--cream-2);
}

.dl-kind {
  display: block;
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.dl-desc {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.7;
  opacity: 0.82;
}

.dl-arrow {
  display: block;
  margin-top: 18px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  text-align: right;
}

.dl-note {
  margin-top: 14px;
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: rgba(20, 20, 20, 0.7);
}

/* 页脚 */

.site-footer {
  padding-top: clamp(30px, 4vw, 46px);
  background: var(--ink);
  color: var(--cream);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 247, 232, 0.26);
}

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

.footer-brand img {
  display: block;
  width: 44px;
  height: 44px;
}

.footer-name {
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
}

.footer-name span {
  display: block;
  margin-top: 5px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: rgba(255, 247, 232, 0.66);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.footer-nav a {
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  color: var(--cream);
}

.footer-nav a:hover {
  color: var(--butter);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 18px;
  padding-block: 16px 20px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: rgba(255, 247, 232, 0.58);
}

/* 404 */

.error-page {
  display: grid;
  min-height: 100vh;
  grid-template-rows: auto 1fr auto;
}

.error-main {
  display: grid;
  place-items: center;
  padding-block: clamp(40px, 8vw, 90px);
}

.error-card {
  width: 100%;
  max-width: 760px;
  margin-inline: auto;
  padding: clamp(22px, 5vw, 54px);
  border: 3px solid var(--ink);
  background: var(--cream-2);
  box-shadow: 12px 12px 0 var(--tomato);
}

.error-code {
  font-family: var(--font-mono);
  font-size: clamp(66px, 15vw, 150px);
  font-weight: 900;
  line-height: 0.8;
  letter-spacing: -0.07em;
  color: var(--tomato);
}

.error-title {
  margin-block: 20px 12px;
  font-size: clamp(28px, 5vw, 46px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.error-text {
  max-width: 40em;
  margin-bottom: 26px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.error-meta {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid rgba(20, 20, 20, 0.2);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: rgba(20, 20, 20, 0.6);
}

/* 响应式 */

@media (max-width: 1020px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .front-board {
    max-width: 620px;
    margin-inline: auto;
  }

  .shelf {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px 12px;
  }

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

  .classroom-figure {
    max-width: 340px;
  }
}

@media (max-width: 900px) {
  .page-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  }

@media (max-width: 980px) {
  .has-js .site-nav {
    order: 3;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.22s ease, opacity 0.18s ease, visibility 0.18s;
  }

  .has-js .site-nav.is-open {
    max-height: 340px;
    opacity: 1;
    visibility: visible;
    padding-top: 6px;
  }

  .has-js .site-nav a {
    padding-block: 10px;
    border-bottom: 1px solid rgba(20, 20, 20, 0.16);
  }

  .has-js .site-nav a:last-child {
    margin-top: 10px;
    border-bottom: 0;
  }

  .has-js .site-nav .nav-cta {
    display: inline-block;
    align-self: flex-start;
    padding: 8px 16px;
  }

  .has-js .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 700px) {
  .topbar-inner {
    justify-content: flex-start;
    gap: 2px 12px;
    font-size: 9.5px;
    letter-spacing: 0.1em;
  }

  .site-header .masthead {
    gap: 12px;
  }

  .brand-latin {
    font-size: 30px;
  }

  .brand-cn {
    font-size: 10.5px;
    letter-spacing: 0.26em;
  }

  .hero-title {
    letter-spacing: -0.035em;
  }

  .hero-points li {
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 10px;
  }

  .section-head {
    gap: 4px 12px;
  }

  .section-desc {
    font-size: 13px;
  }

  .front-board {
    padding: 12px;
    box-shadow: 7px 7px 0 var(--tomato);
  }

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

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

  .download-lead {
    font-size: 13px;
  }
}

@media (max-width: 560px) {
  .page-grid {
    gap: 12px;
  }

  .page-bar {
    padding-bottom: 6px;
    margin-bottom: 8px;
  }

  .page-bar h3 {
    font-size: 14px;
  }

  .page-num {
    font-size: 8.5px;
    padding: 1px 4px;
  }

  .page-note {
    font-size: 11.5px;
    line-height: 1.75;
  }

  .page-tags li {
    font-size: 9px;
    padding: 1px 5px;
  }

  .shelf {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 10px;
  }

  .genre-list li {
    padding: 4px 9px;
    font-size: 11.5px;
  }

  .lesson-body h3 {
    font-size: 16px;
  }

  .lesson-no {
    font-size: 24px;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .footer-nav {
    gap: 6px 16px;
  }

  .footer-name {
    font-size: 21px;
  }
}

@media (max-width: 400px) {
  .hero-title {
    font-size: clamp(34px, 11vw, 42px);
  }

  .hero-points li {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .front-board-head h2 {
    font-size: 15px;
  }

  .footer-name {
    font-size: 19px;
  }

  .footer-name span {
    letter-spacing: 0.14em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .dl-card,
  .nav-toggle-bars span,
  .has-js .site-nav {
    transition: none;
  }
}