@charset "UTF-8";

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

:root {
  --paper: #fffaf6;
  --paper-deep: #f8eee8;
  --white: #ffffff;
  --ink: #2a0d18;
  --ink-soft: #684a55;
  --wine: #6f0f2d;
  --wine-dark: #3d0718;
  --rose: #e65387;
  --rose-light: #f6b5c9;
  --pink-wash: #fff0f5;
  --mint: #3c9a7e;
  --line: #e9cbd4;
  --line-dark: #c88ca0;
  --header-height: 78px;
  --content-width: 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", "Noto Sans CJK 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,
summary,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
  font: inherit;
}

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

ul,
ol {
  list-style: none;
}

.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;
}

.content-wrap,
.header-inner,
.hero-inner,
.download-ticket,
.footer-inner {
  width: min(calc(100% - 40px), var(--content-width));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  background: rgba(255, 250, 246, 0.98);
  border-bottom: 1px solid var(--line-dark);
}

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

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

.brand img {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: contain;
}

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

.brand-copy strong {
  font-size: 20px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-copy span {
  margin-top: 3px;
  color: var(--ink-soft);
  font-size: 12px;
  white-space: nowrap;
}

.site-nav ul,
.footer-nav ul {
  display: flex;
  align-items: center;
}

.site-nav ul {
  gap: 38px;
}

.site-nav a {
  position: relative;
  display: block;
  padding: 26px 0 23px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.site-nav a::after {
  position: absolute;
  right: 50%;
  bottom: 0;
  width: 0;
  height: 3px;
  background: var(--rose);
  content: "";
}

.site-nav a.is-current::after {
  right: 0;
  width: 100%;
}

.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 16px;
  color: var(--white);
  background: var(--wine);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.menu-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 42px;
  padding: 0;
  background: var(--paper);
  border: 1px solid var(--ink);
  cursor: pointer;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  content: "";
}

.menu-icon::before {
  transform: translateY(-6px);
}

.menu-icon::after {
  transform: translateY(4px);
}

.hero {
  position: relative;
  min-height: 720px;
  background:
    linear-gradient(rgba(230, 83, 135, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(230, 83, 135, 0.08) 1px, transparent 1px),
    var(--paper);
  background-size: 40px 40px;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  position: absolute;
  top: 76px;
  bottom: 70px;
  left: calc(50% + 136px);
  width: 360px;
  background: var(--pink-wash);
  border: 1px solid var(--line);
  content: "";
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 480px;
  align-items: center;
  min-height: 720px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 670px;
  padding: 72px 30px 72px 0;
}

.eyebrow,
.section-index,
.ticket-copy > p {
  color: var(--rose);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.hero h1 {
  margin-top: 15px;
  font-size: clamp(58px, 5.5vw, 88px);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 1.04;
  white-space: nowrap;
}

.hero h2 {
  max-width: 620px;
  margin-top: 24px;
  font-size: clamp(26px, 2.2vw, 36px);
  line-height: 1.35;
}

.hero-summary {
  max-width: 620px;
  margin-top: 21px;
  color: var(--ink-soft);
  font-size: 16px;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-width: 210px;
  min-height: 56px;
  margin-top: 32px;
  padding: 0 24px;
  color: var(--white);
  background: var(--wine);
  font-weight: 800;
  box-shadow: 8px 8px 0 var(--rose-light);
}

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

.hero-tags {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 26px;
}

.hero-tags li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.hero-tags i,
.phone-heading i,
.search-line i,
.official-site .i-globe,
.i-arrow-right,
.i-arrow-up,
.i-user-avatar {
  display: inline-block;
  flex: 0 0 auto;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

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

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

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

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

.primary-link .i-arrow-right,
.download-link .i-arrow-right {
  filter: invert(1);
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  align-self: stretch;
  padding: 50px 0;
}

.phone-shell {
  position: relative;
  z-index: 3;
  width: 322px;
  min-height: 620px;
  padding: 16px 14px 18px;
  background: #171419;
  border: 2px solid var(--ink);
  border-radius: 48px;
  box-shadow: 18px 22px 0 rgba(111, 15, 45, 0.13);
}

.phone-shell::before {
  position: absolute;
  top: 10px;
  left: 50%;
  width: 90px;
  height: 25px;
  background: #171419;
  border-radius: 20px;
  content: "";
  transform: translateX(-50%);
}

.phone-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 35px;
  padding: 0 10px;
  color: var(--ink);
  background: var(--white);
  border-radius: 30px 30px 0 0;
  font-size: 12px;
  font-weight: 800;
}

.phone-status {
  letter-spacing: 0.05em;
}

.phone-screen {
  min-height: 498px;
  padding: 18px 15px 12px;
  color: #32101d;
  background: var(--white);
}

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

.phone-heading strong {
  color: var(--wine);
  font-size: 22px;
}

.phone-search {
  margin-top: 13px;
  padding: 11px 15px;
  color: #9d8490;
  background: #f6edf1;
  border-radius: 24px;
  font-size: 12px;
}

.phone-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 12px;
  border-bottom: 1px solid #ead6de;
}

.phone-tabs span {
  padding: 8px 0;
  text-align: center;
  font-size: 12px;
}

.phone-tabs .active {
  color: var(--rose);
  border-bottom: 2px solid var(--rose);
  font-weight: 800;
}

.phone-feature {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 126px;
  margin-top: 12px;
  padding: 16px;
  color: var(--white);
  background:
    linear-gradient(135deg, var(--wine) 0 56%, var(--rose) 56% 76%, var(--rose-light) 76%);
  border-radius: 12px;
}

.phone-feature span,
.phone-feature small {
  font-size: 12px;
}

.phone-feature strong {
  margin: 4px 0;
  font-size: 20px;
}

.phone-section-title {
  margin-top: 14px;
}

.phone-section-title strong {
  font-size: 13px;
}

.phone-section-title span {
  color: var(--ink-soft);
  font-size: 12px;
}

.phone-books {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  margin-top: 9px;
}

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

.phone-books figure {
  width: 100%;
  height: 100px;
  padding: 3px;
  overflow: hidden;
  background: #f8eff2;
  border-radius: 7px;
}

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

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

.phone-books strong {
  margin-top: 5px;
  font-size: 12px;
}

.phone-books span {
  color: var(--ink-soft);
  font-size: 12px;
}

.phone-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 14px 8px 10px;
  color: #9d9298;
  background: var(--white);
  border-top: 1px solid #ead6de;
  border-radius: 0 0 30px 30px;
}

.phone-nav span {
  text-align: center;
  font-size: 12px;
}

.phone-nav .active {
  color: var(--rose);
  font-weight: 800;
}

.index-note {
  position: absolute;
  z-index: 2;
  display: flex;
  flex-direction: column;
  width: 180px;
  min-height: 150px;
  padding: 24px 22px;
  color: var(--wine-dark);
  background: var(--rose-light);
  border: 1px solid var(--line-dark);
  box-shadow: 8px 8px 0 rgba(111, 15, 45, 0.1);
}

.index-note span {
  font-size: 13px;
  font-weight: 800;
}

.index-note strong {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.5;
}

.note-update {
  top: 98px;
  right: 278px;
}

.note-sync {
  right: 258px;
  bottom: 88px;
  background: #f9d9e3;
}

.section-block {
  padding: 104px 0;
  border-bottom: 1px solid var(--line);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 48px;
}

.section-heading h2 {
  margin-top: 8px;
  font-size: clamp(38px, 4.2vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.section-heading > p {
  max-width: 480px;
  padding-bottom: 5px;
  color: var(--ink-soft);
  font-size: 15px;
}

.radar {
  background: var(--white);
}

.radar-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 16px;
}

.radar-console {
  display: flex;
  flex-direction: column;
  min-height: 294px;
  padding: 32px;
  background: var(--pink-wash);
  border: 1px solid var(--line);
}

.search-line {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 0 18px;
  color: #977482;
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: 28px;
  font-size: 14px;
}

.console-label {
  margin-top: 22px;
  font-size: 13px;
  font-weight: 800;
}

.radar-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.radar-filters button {
  min-width: 66px;
  padding: 8px 13px;
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  cursor: pointer;
  font-size: 13px;
}

.radar-filters button.is-active {
  color: var(--white);
  background: var(--wine);
  border-color: var(--wine);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  color: var(--wine);
  font-size: 13px;
  font-weight: 800;
}

.radar-indexes {
  display: grid;
  gap: 10px;
}

.radar-indexes article {
  display: grid;
  grid-template-columns: 92px 1fr 30px;
  align-items: center;
  min-height: 91px;
  padding: 12px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
}

.big-number {
  color: var(--rose);
  font-family: Georgia, serif;
  font-size: 46px;
  font-style: italic;
  line-height: 1;
}

.radar-indexes h3,
.manga-card h3,
.path-steps h3 {
  font-size: 20px;
  line-height: 1.35;
}

.radar-indexes p,
.manga-card p,
.path-steps p {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 13px;
}

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

.manga-card {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 18px;
  min-height: 206px;
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
}

.manga-card[hidden] {
  display: none;
}

.manga-card figure {
  width: 116px;
  height: 168px;
  padding: 4px;
  overflow: hidden;
  background: var(--pink-wash);
}

.manga-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.manga-card > div {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.card-tag {
  color: var(--rose);
  font-size: 12px;
  font-weight: 800;
}

.manga-card h3 {
  margin-top: 7px;
}

.manga-card strong {
  margin-top: auto;
  color: var(--mint);
  font-size: 12px;
}

.interface {
  background: var(--paper-deep);
}

.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: var(--white);
  border: 1px solid var(--line-dark);
}

.screen-media {
  width: 100%;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  background: var(--white);
}

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

.screen-card figcaption {
  display: flex;
  align-items: center;
  gap: 15px;
  min-height: 76px;
  padding: 18px;
  border-top: 1px solid var(--line);
}

.screen-card figcaption span {
  color: var(--rose);
  font-size: 16px;
  font-weight: 900;
}

.screen-card figcaption strong {
  font-size: 17px;
}

.reading-path {
  background: var(--white);
}

.path-layout {
  display: grid;
  grid-template-columns: 1fr 330px;
  gap: 16px;
}

.path-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  min-height: 260px;
  background: var(--paper);
  border: 1px solid var(--line-dark);
}

.path-steps li {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 38px 30px;
  border-right: 1px solid var(--line);
}

.path-steps li:last-child {
  border-right: 0;
}

.path-steps li > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  color: var(--white);
  background: var(--wine);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 800;
}

.weekly-panel {
  padding: 30px;
  color: var(--white);
  background: var(--wine-dark);
}

.weekly-head {
  display: flex;
  flex-direction: column;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.26);
}

.weekly-head span {
  color: var(--rose-light);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.weekly-head strong {
  margin-top: 5px;
  font-size: 24px;
}

.weekly-panel ul {
  margin-top: 10px;
}

.weekly-panel li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 13px;
}

.weekly-panel li strong {
  color: var(--rose-light);
}

.support {
  background: var(--paper);
}

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

.faq-list details {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.faq-list summary,
.official-site summary {
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker,
.official-site summary::-webkit-details-marker {
  display: none;
}

.faq-list summary {
  display: grid;
  grid-template-columns: 50px 1fr 24px;
  align-items: center;
  min-height: 74px;
  padding: 0 24px;
}

.faq-list summary span {
  color: var(--rose);
  font-size: 12px;
  font-weight: 900;
}

.faq-list summary strong {
  font-size: 16px;
}

.faq-list summary > i,
.official-site summary > i {
  position: relative;
  display: block;
  width: 18px;
  height: 18px;
}

.faq-list summary > i::before,
.faq-list summary > i::after,
.official-site summary > i::before,
.official-site summary > i::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 1px;
  background: currentColor;
  content: "";
  transform: translate(-50%, -50%);
}

.faq-list summary > i::after,
.official-site summary > i::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-list details[open] summary > i::after,
.official-site[open] summary > i::after {
  display: none;
}

.faq-answer {
  padding: 0 74px 22px;
  color: var(--ink-soft);
  font-size: 14px;
}

.official-site {
  width: 100%;
  margin-top: 28px;
  background: var(--white);
  border: 1px solid var(--wine);
}

.official-site summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 0 24px;
}

.official-site summary > span {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

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

.official-site summary strong {
  font-size: 16px;
}

.official-answer {
  padding: 0 59px 24px;
}

.official-answer a {
  color: var(--wine);
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.reader-voices {
  background: var(--pink-wash);
}

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

.voice-card {
  display: flex;
  flex-direction: column;
  min-height: 270px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--rose);
}

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

.voice-user {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--line);
}

.voice-user .avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--wine);
  background: var(--pink-wash);
  border: 1px solid var(--line-dark);
  border-radius: 50%;
}

.i-user-avatar {
  width: 23px;
  height: 23px;
  background-image: url("../icons/user-avatar.svg");
}

.voice-user strong {
  min-width: 0;
  overflow: hidden;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.voice-rating {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: var(--rose);
  white-space: nowrap;
}

.aiarticle-comment-rating-icon,
.voice-rating .fa {
  display: inline-block;
  width: 14px;
  color: var(--rose);
  font-style: normal;
  font-size: 14px;
  line-height: 1;
  text-align: center;
}

.fa-star::before {
  content: "★";
}

.fa-star-o::before {
  content: "☆";
}

.voice-copy {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0;
  padding-top: 18px;
}

.voice-copy p {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.voice-copy time {
  display: block;
  margin-top: auto;
  padding-top: 18px;
  color: #9b7c88;
  font-size: 12px;
  text-align: right;
}

.download-section {
  padding: 76px 0;
  background: var(--wine-dark);
}

.download-ticket {
  position: relative;
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 220px;
  min-height: 180px;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--rose-light);
}

.download-ticket::before,
.download-ticket::after {
  position: absolute;
  left: 134px;
  width: 30px;
  height: 30px;
  background: var(--wine-dark);
  border-radius: 50%;
  content: "";
  transform: translateX(-50%);
}

.download-ticket::before {
  top: -16px;
}

.download-ticket::after {
  bottom: -16px;
}

.ticket-index {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-right: 1px dashed var(--line-dark);
  font-family: Georgia, serif;
}

.ticket-index span {
  color: var(--rose);
  font-size: 40px;
  line-height: 1;
}

.ticket-index strong {
  font-size: 22px;
}

.ticket-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px 44px;
}

.ticket-copy h2 {
  margin-top: 8px;
  font-size: clamp(25px, 2.6vw, 36px);
  line-height: 1.3;
}

.ticket-copy > span {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
}

.download-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--white);
  background: var(--rose);
  font-size: 18px;
  font-weight: 900;
  white-space: nowrap;
}

.site-footer {
  color: var(--white);
  background: var(--wine-dark);
}

.footer-inner {
  padding: 42px 0 26px;
}

.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.9);
}

.footer-brand .brand-copy span {
  color: #e8bdcb;
}

.footer-nav ul {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 24px;
}

.footer-nav a {
  font-size: 13px;
  white-space: nowrap;
}

.footer-bottom {
  padding-top: 22px;
  color: #e8bdcb;
  text-align: center;
}

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

.back-top {
  position: fixed;
  z-index: 900;
  right: 22px;
  bottom: 22px;
  display: none;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  padding: 0;
  color: var(--white);
  background: var(--wine);
  border: 1px solid var(--rose-light);
  cursor: pointer;
}

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

.i-arrow-up {
  width: 24px;
  height: 24px;
  background-image: url("../icons/arrow-up.svg");
}

@media (hover: hover) {
  .site-nav a:hover,
  .footer-nav a:hover,
  .text-link:hover,
  .official-answer a:hover {
    color: var(--rose);
  }

  .primary-link:hover,
  .download-link:hover,
  .mobile-download:hover {
    background: var(--wine-dark);
  }

  .radar-filters button:hover {
    color: var(--white);
    background: var(--rose);
    border-color: var(--rose);
  }
}

@media (max-width: 1100px) {
  .site-nav ul {
    gap: 24px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr) 410px;
  }

  .hero::before {
    left: calc(50% + 90px);
  }

  .phone-shell {
    width: 300px;
  }

  .note-update {
    right: 236px;
  }

  .note-sync {
    right: 220px;
  }

  .manga-card {
    grid-template-columns: 92px 1fr;
  }

  .manga-card figure {
    width: 92px;
    height: 142px;
  }

  .path-layout {
    grid-template-columns: 1fr 280px;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 68px;
  }

  .content-wrap,
  .header-inner,
  .hero-inner,
  .download-ticket,
  .footer-inner {
    width: min(calc(100% - 28px), var(--content-width));
  }

  .site-header {
    height: var(--header-height);
  }

  .brand {
    gap: 8px;
  }

  .brand img {
    width: 40px;
    height: 40px;
    border-radius: 9px;
  }

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

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

  .mobile-actions {
    display: flex;
  }

  .site-nav {
    position: fixed;
    z-index: 990;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    background: var(--paper);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line-dark);
  }

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

  .site-nav ul {
    display: block;
    width: min(calc(100% - 28px), var(--content-width));
    margin: 0 auto;
  }

  .site-nav li {
    border-bottom: 1px solid var(--line);
  }

  .site-nav li:last-child {
    border-bottom: 0;
  }

  .site-nav a {
    padding: 16px 2px;
    font-size: 14px;
  }

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

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

  .hero::before {
    display: none;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    padding: 42px 0 54px;
  }

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

  .hero h1 {
    margin-top: 12px;
    font-size: clamp(44px, 13vw, 70px);
    white-space: normal;
  }

  .hero h2 {
    margin-right: auto;
    margin-left: auto;
    font-size: clamp(24px, 6.5vw, 34px);
  }

  .hero-summary {
    margin-right: auto;
    margin-left: auto;
    font-size: 14px;
  }

  .primary-link {
    margin-top: 26px;
  }

  .hero-tags {
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px 22px;
  }

  .hero-visual {
    justify-content: center;
    margin: 42px auto 0;
    padding: 20px 0 40px;
  }

  .phone-shell {
    width: min(322px, calc(100vw - 70px));
  }

  .index-note {
    display: none;
  }

  .section-block {
    padding: 74px 0;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 34px;
  }

  .section-heading h2 {
    font-size: clamp(34px, 8vw, 50px);
  }

  .section-heading > p {
    max-width: 620px;
    padding: 0;
  }

  .radar-layout,
  .path-layout {
    grid-template-columns: 1fr;
  }

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

  .manga-card {
    grid-template-columns: 110px 1fr;
  }

  .manga-card figure {
    width: 110px;
    height: 160px;
  }

  .path-layout {
    gap: 16px;
  }

  .path-steps {
    min-height: auto;
  }

  .path-steps li {
    padding: 28px 20px;
  }

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

  .download-ticket {
    grid-template-columns: 110px minmax(0, 1fr) 170px;
  }

  .download-ticket::before,
  .download-ticket::after {
    left: 102px;
  }

  .ticket-copy {
    padding: 26px;
  }

  .ticket-copy h2 {
    font-size: 26px;
  }
}

@media (max-width: 680px) {
  .header-inner {
    gap: 8px;
  }

  .brand {
    flex: 1 1 auto;
    overflow: visible;
  }

  .brand-copy span {
    max-width: calc(100vw - 224px);
    white-space: normal;
    word-break: break-all;
  }

  .mobile-actions {
    flex: 0 0 auto;
  }

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

  .menu-toggle {
    width: 42px;
    height: 40px;
  }

  .hero-inner {
    padding-top: 36px;
  }

  .hero h1 {
    letter-spacing: -0.045em;
  }

  .primary-link {
    width: min(100%, 260px);
  }

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

  .screen-card figcaption {
    gap: 8px;
    min-height: 66px;
    padding: 12px;
  }

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

  .path-steps {
    grid-template-columns: 1fr;
  }

  .path-steps li {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .path-steps li:last-child {
    border-bottom: 0;
  }

  .faq-list summary {
    grid-template-columns: 36px 1fr 20px;
    min-height: 70px;
    padding: 0 14px;
  }

  .faq-list summary strong,
  .official-site summary strong {
    font-size: 14px;
  }

  .faq-answer {
    padding: 0 50px 20px;
  }

  .official-site summary {
    min-height: 70px;
    padding: 0 14px;
  }

  .official-answer {
    padding: 0 49px 20px;
  }

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

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

  .download-section {
    padding: 52px 0;
  }

  .download-ticket {
    grid-template-columns: 82px 1fr;
  }

  .download-ticket::before,
  .download-ticket::after {
    left: 74px;
  }

  .ticket-index {
    grid-row: 1 / span 2;
  }

  .ticket-index span {
    font-size: 32px;
  }

  .ticket-index strong {
    font-size: 18px;
  }

  .ticket-copy {
    padding: 24px 18px 18px;
  }

  .ticket-copy h2 {
    font-size: 23px;
  }

  .ticket-copy > p {
    font-size: 12px;
  }

  .download-link {
    min-height: 62px;
    font-size: 16px;
  }

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

  .footer-nav ul {
    justify-content: center;
    gap: 15px 20px;
  }

  .footer-bottom {
    text-align: center;
  }

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

@media (max-width: 430px) {
  .brand-copy strong {
    font-size: 15px;
  }

  .brand-copy span {
    max-width: calc(100vw - 210px);
  }

  .hero-tags {
    gap: 12px 16px;
  }

  .hero-tags li {
    font-size: 12px;
  }

  .phone-shell {
    min-height: 594px;
  }

  .phone-screen {
    min-height: 472px;
  }

  .radar-console {
    padding: 22px 18px;
  }

  .radar-indexes article {
    grid-template-columns: 70px 1fr 24px;
    padding: 14px;
  }

  .big-number {
    font-size: 37px;
  }

  .radar-indexes h3,
  .manga-card h3,
  .path-steps h3 {
    font-size: 17px;
  }

  .manga-card {
    grid-template-columns: 92px 1fr;
    gap: 14px;
    padding: 14px;
  }

  .manga-card figure {
    width: 92px;
    height: 140px;
  }

  .screen-grid {
    gap: 12px;
  }

  .voice-user {
    grid-template-columns: 40px minmax(0, 1fr) auto;
    gap: 9px;
  }

  .voice-user .avatar {
    width: 40px;
    height: 40px;
  }

  .voice-rating {
    gap: 0;
  }

  .aiarticle-comment-rating-icon,
  .voice-rating .fa {
    width: 12px;
    font-size: 12px;
  }
}

@media (max-width: 360px) {
  .content-wrap,
  .header-inner,
  .hero-inner,
  .download-ticket,
  .footer-inner {
    width: min(calc(100% - 20px), var(--content-width));
  }

  .brand img {
    width: 36px;
    height: 36px;
  }

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

  .brand-copy span {
    max-width: 110px;
  }

  .mobile-download {
    padding: 0 9px;
  }

  .phone-shell {
    width: calc(100vw - 42px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}