@charset "UTF-8";

/* 作者：搭客佬
链接：https://www.lzmhpro.cn/ */

:root {
  --ink: #211b16;
  --ink-soft: #5f554b;
  --paper: #fffdf8;
  --paper-warm: #f7f1e6;
  --yellow: #ffc928;
  --yellow-deep: #e7a900;
  --green: #a9b894;
  --green-pale: #edf2e8;
  --line: #ded4c3;
  --brown: #39291e;
  --brown-deep: #241a14;
  --white: #ffffff;
  --header-height: 76px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body {
  min-width: 320px;
  margin: 0;
  padding-top: var(--header-height);
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  color: inherit;
  font: inherit;
}

a,
button,
summary {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(255, 201, 40, 0.65);
  outline-offset: 3px;
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container,
.header-inner,
.hero-inner,
.footer-inner {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  background: rgba(255, 253, 248, 0.98);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.25;
}

.brand-copy strong {
  font-size: 20px;
  white-space: nowrap;
}

.brand-copy span {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 12px;
  white-space: nowrap;
}

.site-nav ul {
  display: flex;
  align-items: stretch;
  gap: 42px;
  height: var(--header-height);
}

.site-nav li {
  display: flex;
}

.site-nav a {
  position: relative;
  display: flex;
  align-items: center;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  background: transparent;
  content: "";
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--yellow-deep);
}

.site-nav a.is-active::after {
  background: var(--yellow);
}

.mobile-actions {
  display: none;
  align-items: center;
  gap: 8px;
}

.mobile-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 14px;
  color: var(--ink);
  background: var(--yellow);
  border: 1px solid var(--ink);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  background: var(--paper);
  border: 1px solid var(--ink);
  cursor: pointer;
}

.menu-toggle i,
.hero-points i,
.primary-link i,
.phone-title-row i,
.phone-search i,
.official-trigger .i-globe,
.download-link i,
.review-identity i,
.back-to-top i {
  display: inline-block;
  flex: 0 0 auto;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.i-menu {
  width: 21px;
  height: 21px;
  background-image: url("../icons/menu.svg");
}

.i-download {
  width: 18px;
  height: 18px;
  background-image: url("../icons/download.svg");
}

.i-search {
  width: 21px;
  height: 21px;
  background-image: url("../icons/search.svg");
}

.i-grid {
  width: 25px;
  height: 25px;
  background-image: url("../icons/grid.svg");
}

.i-book {
  width: 25px;
  height: 25px;
  background-image: url("../icons/book.svg");
}

.i-globe {
  width: 20px;
  height: 20px;
  background-image: url("../icons/globe.svg");
}

.i-arrow {
  width: 18px;
  height: 18px;
  background-image: url("../icons/arrow-right.svg");
}

.i-avatar {
  width: 42px;
  height: 42px;
  background-image: url("../icons/avatar.svg");
}

.i-up {
  width: 22px;
  height: 22px;
  background-image: url("../icons/arrow-up.svg");
}

.hero {
  position: relative;
  min-height: 700px;
  background:
    linear-gradient(rgba(255, 201, 40, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 201, 40, 0.08) 1px, transparent 1px),
    var(--paper);
  background-size: 44px 44px;
  border-bottom: 1px solid var(--line);
}

.hero::before,
.hero::after {
  position: absolute;
  width: 190px;
  height: 54px;
  background: var(--yellow);
  content: "";
}

.hero::before {
  top: 72px;
  left: 0;
}

.hero::after {
  right: 0;
  bottom: 58px;
  width: 118px;
  height: 28px;
  background: var(--green-pale);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  align-items: center;
  gap: 72px;
  min-height: 700px;
  padding: 56px 0;
}

.hero-copy {
  max-width: 700px;
}

.eyebrow,
.section-index {
  color: #8b6500;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  margin-top: 18px;
  font-size: clamp(62px, 6.2vw, 96px);
  line-height: 1;
  letter-spacing: -0.06em;
  white-space: nowrap;
}

.hero-slogan {
  margin-top: 28px;
  font-size: 34px;
  font-weight: 800;
  line-height: 1.25;
}

.hero-description {
  max-width: 640px;
  margin-top: 22px;
  color: var(--ink-soft);
  font-size: 16px;
}

.hero-action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-top: 30px;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 210px;
  min-height: 58px;
  padding: 0 26px;
  color: var(--ink);
  background: var(--yellow);
  border: 1px solid var(--ink);
  box-shadow: 7px 7px 0 var(--brown);
  font-size: 17px;
  font-weight: 800;
  white-space: nowrap;
}

.primary-link:hover {
  background: #ffd750;
}

.age-label {
  margin-top: 18px;
  color: var(--ink-soft);
  font-size: 13px;
}

.hero-points {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 34px;
  border-top: 1px solid var(--ink);
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 150px;
  padding: 20px 26px 0 0;
  font-size: 14px;
  font-weight: 700;
}

.hero-points li + li {
  padding-left: 26px;
  border-left: 1px solid var(--line);
}

.hero-phone {
  display: flex;
  justify-content: flex-end;
  width: 100%;
}

.phone-frame {
  position: relative;
  width: 330px;
  height: 620px;
  padding: 17px 13px;
  background: #101010;
  border: 2px solid #000000;
  border-radius: 48px;
  box-shadow: 24px 28px 0 rgba(57, 41, 30, 0.14);
}

.phone-top {
  position: absolute;
  z-index: 3;
  top: 17px;
  right: 28px;
  left: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 36px;
  font-size: 12px;
  font-weight: 800;
}

.phone-island {
  width: 80px;
  height: 24px;
  background: #080808;
  border-radius: 99px;
}

.phone-screen {
  position: relative;
  height: 100%;
  padding: 48px 16px 56px;
  background: #ffffff;
  border-radius: 34px;
  overflow: hidden;
}

.phone-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.phone-title-row strong {
  color: #b17d00;
  font-size: 22px;
}

.phone-search {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  margin-top: 12px;
  padding: 0 14px;
  color: #8d8880;
  background: #f3f1ec;
  border-radius: 99px;
  font-size: 12px;
}

.phone-search .i-search {
  width: 15px;
  height: 15px;
}

.phone-tabs {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  padding: 0 2px 8px;
  border-bottom: 1px solid #e7e2d9;
  font-size: 12px;
}

.phone-tabs b {
  color: #b17d00;
}

.phone-feature {
  display: grid;
  grid-template-columns: 1fr 92px;
  min-height: 136px;
  margin-top: 12px;
  background: var(--brown);
  border-radius: 12px;
  overflow: hidden;
}

.phone-feature > div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 14px;
  color: #ffffff;
}

.phone-feature small {
  color: var(--yellow);
  font-size: 12px;
}

.phone-feature strong {
  margin-top: 7px;
  font-size: 16px;
  line-height: 1.35;
}

.phone-feature span {
  margin-top: 8px;
  color: #e7ddd2;
  font-size: 12px;
}

.phone-feature img {
  width: 100%;
  height: 100%;
  padding: 5px;
  object-fit: contain;
  background: #f4eadb;
}

.phone-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  font-size: 12px;
}

.phone-section-title strong {
  font-size: 14px;
}

.phone-section-title span {
  color: #8d8880;
}

.phone-books {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.phone-books article {
  min-width: 0;
}

.phone-books figure {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 3 / 4;
  background: #f3f1ec;
  border-radius: 7px;
}

.phone-books img {
  width: 100%;
  height: 100%;
  padding: 2px;
  object-fit: contain;
}

.phone-books strong,
.phone-books span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.phone-books strong {
  margin-top: 4px;
  font-size: 12px;
}

.phone-books span {
  color: #8d8880;
  font-size: 12px;
}

.phone-nav {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 14px 12px 13px;
  background: #ffffff;
  border-top: 1px solid #ece8e1;
  text-align: center;
  font-size: 12px;
}

.phone-nav b {
  color: #b17d00;
}

.section {
  padding: 96px 0;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 42px;
}

.section-heading h2 {
  margin-top: 8px;
  font-size: clamp(38px, 4vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.section-heading > p {
  max-width: 480px;
  color: var(--ink-soft);
  font-size: 14px;
  text-align: right;
}

.bookmark-section {
  background: var(--paper-warm);
}

.bookmark-book {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) 300px;
  min-height: 386px;
  padding: 12px;
  background: #f2e4cb;
  border: 1px solid #c7b28e;
  box-shadow: 10px 12px 0 rgba(57, 41, 30, 0.08);
}

.book-spine {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--yellow);
  background: var(--brown-deep);
}

.book-spine span {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  writing-mode: vertical-rl;
}

.bookmark-list {
  display: grid;
  gap: 12px;
  padding: 10px 16px;
  background: #fff9ed;
}

.bookmark-row {
  position: relative;
  display: grid;
  grid-template-columns: 26px minmax(180px, 1fr) auto 174px;
  align-items: center;
  gap: 18px;
  width: 100%;
  min-height: 102px;
  padding: 13px 20px 13px 0;
  background: #ffffff;
  border: 1px solid #dccba9;
  box-shadow: 5px 5px 0 rgba(57, 41, 30, 0.06);
  text-align: left;
  cursor: pointer;
}

.bookmark-row.is-selected {
  border-color: var(--yellow-deep);
}

.bookmark-color {
  align-self: stretch;
  width: 26px;
}

.color-yellow {
  background: var(--yellow);
}

.color-green {
  background: var(--green);
}

.color-paper {
  background: #d8c7aa;
}

.bookmark-info {
  display: flex;
  flex-direction: column;
}

.bookmark-info strong {
  font-size: 22px;
}

.bookmark-info small {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 12px;
}

.bookmark-row > b {
  color: #796125;
  font-size: 13px;
  white-space: nowrap;
}

.bookmark-covers {
  display: grid;
  grid-template-columns: repeat(3, 50px);
  gap: 6px;
}

.bookmark-covers img {
  width: 50px;
  height: 68px;
  padding: 2px;
  object-fit: contain;
  background: #f0ebe3;
  border: 1px solid #e3dace;
}

.organize-note {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 36px;
  color: #ffffff;
  background: var(--brown);
}

.organize-note p {
  color: var(--yellow);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.organize-note strong {
  margin-top: 18px;
  font-size: 24px;
  line-height: 1.5;
}

.organize-note span {
  margin-top: 20px;
  color: #dfd4c9;
  font-size: 13px;
}

.theme-section {
  background: var(--paper);
}

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

.theme-card {
  display: grid;
  grid-template-columns: 110px 1fr;
  align-items: center;
  min-height: 138px;
  padding: 0 32px 0 0;
  background: #ffffff;
  border: 1px solid var(--line);
  text-align: left;
  cursor: pointer;
}

.theme-card:nth-child(1) {
  background: #fff8de;
}

.theme-card:nth-child(2) {
  background: #f8eeea;
}

.theme-card:nth-child(3) {
  background: var(--green-pale);
}

.theme-card:nth-child(4) {
  background: #f2efe7;
}

.theme-card.is-selected {
  border-color: var(--ink);
  box-shadow: inset 7px 0 0 var(--yellow);
}

.theme-card > span {
  color: var(--yellow-deep);
  font-family: Georgia, serif;
  font-size: 76px;
  line-height: 1;
  text-align: center;
}

.theme-card:nth-child(2) > span {
  color: #a55046;
}

.theme-card:nth-child(3) > span {
  color: #6f8661;
}

.theme-card:nth-child(4) > span {
  color: #8b6500;
}

.theme-card strong {
  font-size: 22px;
}

.theme-card p {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 13px;
}

.gallery-section {
  background: var(--green-pale);
  border-top: 1px solid #d8e1d0;
  border-bottom: 1px solid #d8e1d0;
}

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

.screen-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #ffffff;
  border: 1px solid #bfcab6;
}

.screen-viewport {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 9 / 16;
  padding: 0;
  background: #ffffff;
  overflow: hidden;
}

.screen-viewport img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.screen-card figcaption {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 72px;
  padding: 16px 18px;
  background: var(--paper);
  border-top: 1px solid #bfcab6;
}

.screen-card figcaption b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: var(--ink);
  background: var(--yellow);
  border-radius: 50%;
  font-size: 12px;
}

.screen-card figcaption strong {
  font-size: 16px;
}

.faq-section {
  background: var(--paper);
}

.faq-list {
  border-top: 1px solid var(--ink);
}

.faq-item,
.official-site {
  width: 100%;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.faq-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 76px;
  padding: 0 26px;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
}

.faq-trigger > span {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 16px;
  font-weight: 700;
}

.faq-trigger b {
  color: #a57500;
  font-size: 12px;
}

.faq-trigger > i:last-child {
  position: relative;
  display: block;
  width: 20px;
  height: 20px;
}

.faq-trigger > i:last-child::before,
.faq-trigger > i:last-child::after {
  position: absolute;
  top: 9px;
  left: 3px;
  width: 14px;
  height: 2px;
  background: var(--ink);
  content: "";
}

.faq-trigger > i:last-child::after {
  transform: rotate(90deg);
}

.faq-trigger[aria-expanded="true"] > i:last-child::after {
  transform: rotate(0deg);
}

.faq-trigger:hover {
  background: #fffaf0;
}

.faq-answer {
  padding: 0 70px 24px;
  color: var(--ink-soft);
  font-size: 14px;
}

.faq-answer[hidden] {
  display: none;
}

.official-site {
  margin-top: 28px;
  border: 1px solid var(--ink);
}

.official-trigger .i-globe {
  margin-right: 2px;
}

.official-site .faq-answer {
  padding-left: 68px;
}

.official-site .faq-answer a {
  color: #8b6500;
  font-weight: 700;
  word-break: break-all;
}

.reviews-section {
  background: var(--paper-warm);
}

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

.review-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 264px;
  padding: 26px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--yellow);
}

.review-card:nth-child(3n + 2) {
  border-top-color: var(--green);
}

.review-card:nth-child(3n + 3) {
  border-top-color: var(--brown);
}

.review-user {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.review-identity {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.review-identity strong {
  overflow: hidden;
  font-size: 15px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.review-rating {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  color: #e4a900;
  font-size: 14px;
  white-space: nowrap;
}

.review-rating .fa {
  margin-left: 2px;
  color: #e4a900;
  font-size: 14px;
}

.review-content {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.9;
}

.review-card time {
  display: block;
  margin-top: auto;
  padding-top: 18px;
  color: var(--ink-soft);
  font-size: 12px;
  text-align: right;
}

.download-section {
  padding: 78px 0;
  color: #ffffff;
  background: var(--brown-deep);
}

.download-ribbon {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 230px;
  min-height: 170px;
  border: 1px solid #735e4c;
}

.download-label {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px;
  color: var(--yellow);
  background: var(--brown);
  border-right: 1px solid #735e4c;
}

.download-label::after {
  position: absolute;
  top: 50%;
  right: -13px;
  width: 26px;
  height: 26px;
  background: var(--brown);
  border-top: 1px solid #735e4c;
  border-right: 1px solid #735e4c;
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.download-label span {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.download-label strong {
  margin-top: 8px;
  font-size: 21px;
}

.download-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px 54px;
  background: #2b211b;
}

.download-copy p {
  color: var(--yellow);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.download-copy h2 {
  margin-top: 6px;
  font-size: 25px;
  line-height: 1.35;
}

.download-copy span {
  margin-top: 8px;
  color: #d7c9bd;
  font-size: 13px;
}

.download-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--ink);
  background: var(--yellow);
  font-size: 19px;
  font-weight: 800;
  white-space: nowrap;
}

.download-link:hover {
  background: #ffd958;
}

.site-footer {
  padding: 54px 0 24px;
  color: #ffffff;
  background: #17110d;
}

.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  padding-bottom: 34px;
}

.footer-brand .brand-copy span {
  color: #bfae9f;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px 30px;
}

.footer-nav a {
  color: #d8cdc3;
  font-size: 13px;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding-top: 22px;
  color: #a99a8d;
  border-top: 1px solid rgba(255, 255, 255, 0.76);
}

.footer-bottom p {
  font-size: 12px;
}

.back-to-top {
  position: fixed;
  z-index: 900;
  right: 24px;
  bottom: 24px;
  display: none;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  padding: 0;
  color: var(--ink);
  background: var(--yellow);
  border: 1px solid var(--ink);
  cursor: pointer;
}

.back-to-top.is-visible {
  display: flex;
}

@media (max-width: 1040px) {
  .site-nav ul {
    gap: 24px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 40px;
  }

  .bookmark-book {
    grid-template-columns: 66px minmax(0, 1fr) 240px;
  }

  .bookmark-row {
    grid-template-columns: 22px minmax(150px, 1fr) auto;
  }

  .bookmark-covers {
    display: none;
  }
}

@media (max-width: 820px) {
  :root {
    --header-height: 66px;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }

  .container,
  .header-inner,
  .hero-inner,
  .footer-inner {
    width: min(100% - 28px, var(--container));
  }

  .brand {
    gap: 8px;
  }

  .brand img {
    width: 40px;
    height: 40px;
  }

  .brand-copy strong {
    font-size: 16px;
  }

  .brand-copy span {
    display: block;
    max-width: none;
    margin-top: 2px;
    overflow: visible;
    font-size: 12px;
    text-overflow: clip;
    white-space: nowrap;
  }

  .mobile-actions {
    display: flex;
  }

  .site-nav {
    position: fixed;
    z-index: 1001;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - var(--header-height));
    padding: 8px 14px 18px;
    background: var(--paper);
    border-bottom: 1px solid var(--ink);
    overflow-y: auto;
  }

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

  .site-nav ul {
    display: block;
    height: auto;
  }

  .site-nav li {
    display: block;
  }

  .site-nav a {
    display: flex;
    min-height: 50px;
    border-bottom: 1px solid var(--line);
  }

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

  .hero,
  .hero-inner {
    min-height: auto;
  }

  .hero::before,
  .hero::after {
    display: none;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 52px;
    padding: 72px 0 64px;
  }

  .hero-copy {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
  }

  .hero h1 {
    font-size: clamp(52px, 16vw, 76px);
    white-space: normal;
  }

  .hero-slogan {
    font-size: 28px;
  }

  .hero-description {
    margin-right: auto;
    margin-left: auto;
  }

  .hero-action {
    align-items: center;
  }

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

  .hero-points li {
    justify-content: center;
    min-width: 0;
    padding-right: 18px;
  }

  .hero-points li + li {
    padding-left: 18px;
  }

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

  .phone-frame {
    width: min(330px, 88vw);
  }

  .section {
    padding: 72px 0;
  }

  .section-heading {
    display: block;
    margin-bottom: 30px;
  }

  .section-heading > p {
    margin-top: 12px;
    text-align: left;
  }

  .bookmark-book {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .organize-note {
    grid-column: 1 / -1;
    min-height: 190px;
  }

  .theme-grid {
    grid-template-columns: 1fr;
  }

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

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

  .download-ribbon {
    grid-template-columns: 210px minmax(0, 1fr);
  }

  .download-link {
    grid-column: 1 / -1;
    min-height: 76px;
  }
}

@media (max-width: 560px) {
  .header-inner {
    gap: 8px;
  }

  .brand-copy strong {
    font-size: 15px;
  }

  .mobile-download {
    min-height: 40px;
    padding: 0 11px;
    font-size: 12px;
  }

  .menu-toggle {
    width: 40px;
    height: 40px;
  }

  .hero-inner {
    padding-top: 54px;
  }

  .hero-slogan {
    font-size: 25px;
  }

  .hero-description {
    font-size: 14px;
  }

  .hero-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-points li,
  .hero-points li + li {
    flex-direction: column;
    gap: 6px;
    padding: 16px 6px 0;
    font-size: 12px;
  }

  .section-heading h2 {
    font-size: 40px;
  }

  .bookmark-book {
    display: block;
    padding: 8px;
  }

  .book-spine {
    min-height: 48px;
  }

  .book-spine span {
    writing-mode: horizontal-tb;
  }

  .bookmark-list {
    padding: 10px 0;
  }

  .bookmark-row {
    grid-template-columns: 18px minmax(0, 1fr);
    gap: 12px;
    min-height: 96px;
    padding-right: 14px;
  }

  .bookmark-row > b {
    grid-column: 2;
  }

  .organize-note {
    min-height: 190px;
    padding: 28px;
  }

  .theme-card {
    grid-template-columns: 78px 1fr;
    min-height: 112px;
    padding-right: 18px;
  }

  .theme-card > span {
    font-size: 58px;
  }

  .theme-card strong {
    font-size: 18px;
  }

  .screen-grid {
    gap: 10px;
  }

  .screen-card figcaption {
    gap: 8px;
    min-height: 64px;
    padding: 10px;
  }

  .screen-card figcaption b {
    width: 28px;
    height: 28px;
  }

  .screen-card figcaption strong {
    font-size: 13px;
  }

  .faq-trigger {
    min-height: 68px;
    padding: 14px;
  }

  .faq-trigger > span {
    gap: 12px;
    font-size: 14px;
  }

  .faq-answer,
  .official-site .faq-answer {
    padding: 0 46px 20px;
    font-size: 13px;
  }

  .review-grid {
    grid-template-columns: 1fr;
  }

  .review-card {
    min-height: 240px;
    padding: 22px;
  }

  .download-section {
    padding: 58px 0;
  }

  .download-ribbon {
    display: block;
  }

  .download-label {
    min-height: 120px;
    border-right: 0;
    border-bottom: 1px solid #735e4c;
  }

  .download-label::after {
    top: auto;
    right: 50%;
    bottom: -13px;
    transform: translateX(50%) rotate(135deg);
  }

  .download-copy {
    min-height: 176px;
    padding: 32px 26px;
    text-align: center;
  }

  .download-copy h2 {
    font-size: 22px;
  }

  .download-link {
    min-height: 72px;
  }

  .footer-main,
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-nav ul {
    justify-content: center;
  }

  .back-to-top {
    right: 14px;
    bottom: 14px;
    width: 46px;
    height: 46px;
  }
}

@media (max-width: 380px) {
  .brand img {
    width: 36px;
    height: 36px;
  }

  .brand-copy strong {
    font-size: 14px;
  }

  .brand-copy span {
    font-size: 12px;
  }

  .mobile-download {
    padding: 0 8px;
  }
}