/* roulang page: index */
:root {
  --ink: #1E3A4C;
  --slate: #5C7383;
  --plum: #8D5A62;
  --paper: #F3F6F8;
  --mist: #E7EEF3;
  --text: #1C2830;
  --muted: #5E6E78;
  --line: rgba(30,58,76,.08);
  --line-strong: rgba(30,58,76,.16);
  --card: #ffffff;
  --radius: 16px;
  --shadow: 0 12px 32px rgba(30,58,76,.08);
  --shadow-hover: 0 16px 36px rgba(30,58,76,.12);
  --pad: 96px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
body h1, body h2, body h3, body h4 { margin: 0; font-weight: 700; line-height: 1.3; color: var(--ink); }
body p { margin: 0; }
body ul, body ol { margin: 0; padding: 0; list-style: none; }
body a { color: inherit; text-decoration: none; }
body img { max-width: 100%; display: block; }
body button, body input, body textarea { font-family: inherit; }
.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  background: #fff;
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 999px;
  z-index: 80;
}
.skip:focus { top: 10px; }
.container { width: min(72rem, calc(100% - 48px)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 72px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.nav-bar { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: flex; flex-direction: column; line-height: 1.15; color: var(--ink); min-width: 132px; }
.logo strong { font-size: 16px; font-weight: 700; letter-spacing: 0; }
.logo span { font-size: 13px; font-weight: 700; color: var(--slate); }
.nav-toggle {
  display: none;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
  font-weight: 700;
}
.site-nav { display: flex; align-items: center; gap: 4px 26px; }
.site-nav > a, .mega-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--slate);
  font-size: 15px;
  font-weight: 700;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.site-nav > a:hover, .mega-trigger:hover { color: var(--ink); }
.site-nav > a.active { color: var(--ink); box-shadow: inset 0 -2px 0 var(--ink); }
.mega { position: relative; }
.mega-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: min(680px, 72vw);
  display: none;
  grid-template-columns: 1.1fr .9fr .9fr;
  gap: 14px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.mega:hover .mega-panel, .mega:focus-within .mega-panel, .mega.is-open .mega-panel { display: grid; }
.mega-label { font-size: 12px; letter-spacing: .08em; color: var(--plum); font-weight: 700; margin-bottom: 8px; }
.mega-card, .mega-links a, .mega-entry {
  display: block;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  padding: 12px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.mega-card + .mega-card, .mega-links a + a { margin-top: 8px; }
.mega-card strong, .mega-entry strong, .mega-links a { display: block; color: var(--ink); font-weight: 700; }
.mega-card span, .mega-entry span, .mega-links em {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-style: normal;
  font-size: 13px;
  line-height: 1.6;
  font-weight: 400;
}
.mega-card:hover, .mega-links a:hover, .mega-entry:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(141,90,98,.35);
}
.mega-entry {
  background: var(--ink);
  color: #fff;
  min-height: 100%;
}
.mega-entry strong, .mega-entry span { color: #fff; }
.mega-entry span { color: rgba(255,255,255,.78); }
.block { padding: var(--pad) 0; }
.block-alt { background: var(--mist); }
.block + .block { border-top: 1px solid var(--line); }
.lead { color: var(--muted); max-width: 46rem; margin-top: 12px; }
.head-row { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: 32px; align-items: end; margin-bottom: 28px; }
.head-row .lead { margin-top: 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0,1.12fr) minmax(0,.88fr); gap: 52px; align-items: center; }
.brand-line { color: var(--plum); font-weight: 700; font-size: 14px; margin-bottom: 12px; }
body .hero h1 { font-size: clamp(34px, 4vw, 48px); line-height: 1.22; max-width: 12em; }
.subhead { margin-top: 16px; color: var(--ink); font-size: 18px; }
.hero-copy { margin-top: 14px; color: var(--muted); max-width: 38rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
body .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
body .btn:focus-visible, .mega-trigger:focus-visible, .nav-toggle:focus-visible, summary:focus-visible, body a:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--plum);
  outline-offset: 3px;
}
body .btn-primary { background: var(--ink); color: #fff; }
body .btn-primary:hover { background: #162c3a; }
body .btn-primary:active { transform: translateY(1px); }
body .btn-ghost { background: #fff; color: var(--ink); border-color: var(--line-strong); }
body .btn-ghost:hover { border-color: var(--ink); }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.chip { display: inline-flex; align-items: center; min-height: 30px; padding: 0 10px; border-radius: 999px; background: #fff; color: var(--plum); border: 1px solid rgba(141,90,98,.28); font-size: 13px; font-weight: 700; }
.hero-stage { position: relative; min-height: 430px; }
.frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px;
  color: #fff;
  border: 1px solid rgba(255,255,255,.08);
}
.ratio-169 { aspect-ratio: 16/9; }
.ratio-34 { aspect-ratio: 3/4; }
.tone-a { background: #1E3A4C; }
.tone-b { background: #243e4c; }
.tone-c { background: #314e5e; }
.tone-d { background: #1a333f; }
.tone-e { background: #3d5360; }
.wm { position: absolute; right: 12px; top: 0; font-size: 72px; font-weight: 700; color: rgba(255,255,255,.12); line-height: 1; }
.frame-kicker { position: relative; font-size: 12px; letter-spacing: .08em; color: rgba(255,255,255,.76); }
.frame-title { position: relative; font-size: 26px; font-weight: 700; line-height: 1.3; margin: 6px 0 12px; }
.subbar { position: relative; align-self: flex-start; max-width: 100%; padding: 6px 10px; border-radius: 999px; background: rgba(255,255,255,.14); font-size: 13px; }
.hero-stage .frame-back { width: 82%; margin-left: auto; }
.hero-stage .frame-front { position: absolute; left: 0; bottom: 18px; width: 62%; box-shadow: var(--shadow); }
.bento { display: grid; grid-template-columns: 1.35fr .95fr; gap: 16px; margin-top: 28px; }
.bento-main { grid-row: span 2; }
.card, .shot, .scene, .topic, .note, .spec-row, .pair, .faq-item, .stat-row, .source-item, .form-card, .aside-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card, .topic, .scene, .note, .form-card, .aside-card { padding: 22px; }
.card h3, .topic h3, .scene h3, .note h3, .shot h3 { font-size: 20px; }
.card-copy, .topic p, .scene p, .note p, .shot .card-copy { color: var(--muted); margin-top: 8px; }
a.card, a.topic, a.scene, a.shot-link, a.note {
  display: block;
  color: inherit;
  transition: transform .18s ease, box-shadow .18s ease;
}
a.card:hover, a.topic:hover, a.scene:hover, a.shot-link:hover, a.note:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.topic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px; }
.topic { min-height: 280px; display: flex; flex-direction: column; justify-content: flex-end; padding: 0; overflow: hidden; }
.topic .frame { border-radius: 0; border: 0; min-height: 180px; }
.topic-body { padding: 20px 22px 22px; }
.stat-row { margin-top: 28px; display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; }
.stat { padding: 26px 18px; text-align: left; }
.stat + .stat { border-left: 1px solid var(--line); }
.num { font-size: 40px; line-height: 1.1; font-weight: 700; color: var(--ink); }
.num-label { color: var(--muted); margin-top: 6px; }
.step-row { margin-top: 28px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step { position: relative; padding-top: 18px; }
.step::before {
  content: "";
  position: absolute;
  left: 0;
  right: 18px;
  top: 31px;
  height: 1px;
  background: var(--line-strong);
}
.step b {
  position: relative;
  z-index: 1;
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #fff;
  color: var(--plum);
  border: 1px solid rgba(141,90,98,.4);
  font-size: 13px;
}
.step h3 { margin-top: 14px; font-size: 18px; }
.step p { color: var(--muted); margin-top: 8px; }
.scene-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 16px; }
.scene:nth-child(1) { min-height: 250px; }
.scene:nth-child(2) { min-height: 210px; }
.scene:nth-child(3) { min-height: 190px; }
.scene:nth-child(4) { min-height: 240px; }
.kicker { color: var(--plum); font-size: 13px; font-weight: 700; }
.wall-grid { margin-top: 28px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.shot { background: transparent; border: 0; box-shadow: none; }
.shot-link { height: 100%; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.shot-body { padding: 14px 16px 16px; }
.shot-top { display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; }
.pairline { display: flex; justify-content: space-between; gap: 10px; margin-top: 8px; font-size: 13px; color: var(--slate); }
.pairline span:first-child { color: var(--plum); overflow-wrap: anywhere; }
.p1 { grid-column: span 4; grid-row: span 2; }
.p2, .p3, .p4, .p5 { grid-column: span 2; }
.p6, .p7 { grid-column: span 3; }
.more-row { margin-top: 18px; }
body .badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  background: var(--mist);
  color: var(--ink);
}
body .badge-part { background: rgba(141,90,98,.1); color: var(--plum); }
body .badge-wait { background: #fff; color: var(--slate); border: 1px solid var(--line-strong); }
.news-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; margin-top: 8px; }
.note + .note { margin-top: 12px; }
.note h3 { font-size: 18px; }
.pin { height: 100%; display: flex; flex-direction: column; justify-content: space-between; background: var(--ink); color: #fff; border: 0; }
.pin h3, .pin .kicker { color: #fff; }
.pin p { color: rgba(255,255,255,.8); }
.compare-list { display: grid; gap: 12px; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 16px 18px; align-items: center; }
.garbled { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; color: var(--plum); overflow-wrap: anywhere; letter-spacing: .02em; }
.readable { color: var(--ink); font-weight: 700; }
.pair small { display: block; color: var(--muted); font-weight: 400; }
.source-row { margin-top: 22px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.source-item { padding: 16px 12px; text-align: center; color: var(--ink); font-weight: 700; box-shadow: none; }
.faq-list { display: grid; gap: 10px; margin-top: 8px; }
.faq-item { padding: 0; box-shadow: none; }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 18px;
  font-weight: 700;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "＋"; float: right; color: var(--plum); font-weight: 700; }
.faq-item[open] summary::after { content: "－"; }
.faq-item p { padding: 0 18px 16px; color: var(--muted); }
.assurance {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  align-items: center;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.assurance strong { color: var(--plum); font-size: 18px; }
.spec-list { display: grid; gap: 12px; }
.spec-row { display: grid; grid-template-columns: 148px 1fr 1fr; gap: 18px; padding: 18px 20px; align-items: start; box-shadow: none; }
.spec-row h3 { font-size: 18px; }
.spec-row p { color: var(--muted); }
.spec-row b { display: block; color: var(--ink); font-size: 14px; margin-bottom: 4px; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.form-card { display: grid; gap: 12px; }
body label { font-weight: 700; color: var(--ink); font-size: 14px; }
body input, body textarea {
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  min-height: 46px;
  font-size: 16px;
}
body textarea { min-height: 120px; resize: vertical; }
.form-note { color: var(--plum); font-weight: 700; }
.back-link { display: inline-block; margin-top: 18px; color: var(--ink); border-bottom: 1px solid var(--plum); font-weight: 700; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 42px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 24px; }
.footer-grid a { color: var(--ink); border-bottom: 1px solid transparent; }
.footer-grid a:hover { border-bottom-color: var(--plum); color: var(--plum); }
.footer-title { font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.copy { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 1279px) {
  .container { width: min(72rem, calc(100% - 40px)); }
}
@media (max-width: 1023px) {
  :root { --pad: 64px; }
  .nav-toggle { display: inline-flex; }
  .site-header { height: 72px; }
  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 20px 18px;
    gap: 0;
  }
  .site-nav.is-open { display: flex; }
  .site-nav > a, .mega-trigger { width: 100%; justify-content: space-between; border-bottom: 1px solid var(--line); }
  .mega-panel {
    position: static;
    width: 100%;
    display: none;
    grid-template-columns: 1fr;
    box-shadow: none;
    padding: 8px 0 12px;
    border: 0;
  }
  .mega.is-open .mega-panel, .mega:focus-within .mega-panel { display: grid; }
  .hero-grid, .head-row, .bento, .topic-grid, .scene-grid, .news-layout, .contact-grid, .footer-grid, .step-row { grid-template-columns: 1fr; }
  .hero-stage { min-height: 0; display: grid; gap: 12px; }
  .hero-stage .frame-back, .hero-stage .frame-front { position: static; width: 100%; }
  .wall-grid { grid-template-columns: 1fr 1fr; }
  .p1, .p2, .p3, .p4, .p5, .p6, .p7 { grid-column: span 1; grid-row: auto; }
  .p1 .ratio-34 { aspect-ratio: 16/9; }
  .stat-row, .source-row { grid-template-columns: 1fr 1fr; }
  .stat + .stat { border-left: 0; }
  .stat:nth-child(odd) { border-right: 1px solid var(--line); }
  .spec-row, .assurance, .pair { grid-template-columns: 1fr; }
  .step::before { display: none; }
}
@media (max-width: 767px) {
  :root { --pad: 56px; }
  .container { width: min(72rem, calc(100% - 32px)); }
  .scene-grid, .topic-grid, .wall-grid { grid-template-columns: 1fr; }
}
@media (max-width: 639px) {
  .stat-row, .source-row { grid-template-columns: 1fr; }
  .stat:nth-child(odd) { border-right: 0; }
  .btn-row .btn { width: 100%; }
  .num { font-size: 34px; }
}
@media (max-width: 519px) {
  body .hero h1 { font-size: 32px; }
  .frame-title { font-size: 22px; }
}

/* roulang page: category2 */
:root {
  --ink: #1E3A4C;
  --slate: #5C7383;
  --plum: #8D5A62;
  --paper: #F3F6F8;
  --mist: #E7EEF3;
  --text: #1C2830;
  --muted: #5E6E78;
  --line: rgba(30,58,76,.08);
  --line-strong: rgba(30,58,76,.16);
  --card: #ffffff;
  --radius: 16px;
  --shadow: 0 12px 32px rgba(30,58,76,.08);
  --shadow-hover: 0 16px 36px rgba(30,58,76,.12);
  --pad: 88px;
}
html { scroll-behavior: smooth; }
html body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
body h1, body h2, body h3, body h4 { margin: 0; font-weight: 700; line-height: 1.3; color: var(--ink); }
body p { margin: 0; }
body ul, body ol, body dl { margin: 0; padding: 0; list-style: none; }
body a { color: inherit; text-decoration: none; }
body img { max-width: 100%; display: block; }
body button, body input, body textarea { font-family: inherit; }
.container { width: min(72rem, calc(100% - 48px)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 72px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.nav-bar { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: flex; flex-direction: column; line-height: 1.15; color: var(--ink); min-width: 132px; }
.logo strong { font-size: 16px; font-weight: 700; letter-spacing: 0; }
.logo span { font-size: 13px; font-weight: 700; color: var(--slate); }
.nav-toggle {
  display: none;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
  font-weight: 700;
}
.site-nav { display: flex; align-items: center; gap: 4px 26px; }
.site-nav > a, .mega-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--slate);
  font-size: 15px;
  font-weight: 700;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.site-nav > a:hover, .mega-trigger:hover { color: var(--ink); }
.site-nav > a.active { color: var(--ink); box-shadow: inset 0 -2px 0 var(--ink); }
.mega { position: relative; }
.mega-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: min(680px, 72vw);
  display: none;
  grid-template-columns: 1.1fr .9fr .9fr;
  gap: 14px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.mega:hover .mega-panel, .mega:focus-within .mega-panel, .mega.is-open .mega-panel { display: grid; }
.mega-label { font-size: 12px; letter-spacing: .08em; color: var(--plum); font-weight: 700; margin-bottom: 8px; }
.mega-card, .mega-links a, .mega-entry {
  display: block;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  padding: 12px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.mega-card + .mega-card, .mega-links a + a { margin-top: 8px; }
.mega-card strong, .mega-entry strong, .mega-links a { display: block; color: var(--ink); font-weight: 700; }
.mega-card span, .mega-entry span, .mega-links em {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-style: normal;
  font-size: 13px;
  line-height: 1.6;
  font-weight: 400;
}
.mega-card:hover, .mega-links a:hover, .mega-entry:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(141,90,98,.35);
}
.mega-entry { background: var(--ink); color: #fff; min-height: 100%; }
.mega-entry strong, .mega-entry span { color: #fff; }
.mega-entry span { color: rgba(255,255,255,.78); }
.lead { color: var(--muted); max-width: 46rem; margin-top: 12px; }
body .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
body .btn:focus-visible, .mega-trigger:focus-visible, .nav-toggle:focus-visible, summary:focus-visible, body a:focus-visible {
  outline: 2px solid var(--plum);
  outline-offset: 3px;
}
body .btn-primary { background: var(--ink); color: #fff; }
body .btn-primary:hover { background: #162c3a; }
body .btn-primary:active { transform: translateY(1px); }
body .btn-ghost { background: #fff; color: var(--ink); border-color: var(--line-strong); }
body .btn-ghost:hover { border-color: var(--ink); }
.section { padding: var(--pad) 0; }
.section + .section { border-top: 1px solid var(--line); }
.flat-head {
  padding: 26px 0 22px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.flat-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 28px 48px;
  align-items: center;
  min-height: 92px;
}
.brand-line { color: var(--plum); font-weight: 700; font-size: 14px; margin-bottom: 8px; }
.flat-head h1 { font-size: clamp(28px, 3vw, 40px); max-width: 12em; }
.scope {
  color: var(--muted);
  padding-left: 22px;
  border-left: 1px solid var(--line-strong);
}
.compare-sec { background: var(--mist); }
.compare-bar {
  display: grid;
  grid-template-columns: .9fr .9fr 1.2fr;
  gap: 18px 28px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 26px;
}
.kicker { color: var(--plum); font-size: 12px; font-weight: 700; letter-spacing: .08em; margin-bottom: 8px; }
.mojibake {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color: var(--slate);
  font-size: 14px;
  line-height: 1.6;
  word-break: break-all;
}
.compare-col p + p { margin-top: 4px; }
.compare-note { color: var(--muted); }
.list-sec { background: var(--paper); }
.sec-top { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 22px; }
.sec-top h2 { font-size: clamp(26px, 3vw, 34px); }
.sec-top p { color: var(--muted); max-width: 28rem; }
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.row-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 12px;
  row-gap: 2px;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.row-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: rgba(141,90,98,.28); }
.row-item h3 { font-size: 18px; }
.row-item .mojibake, .row-item .meta { grid-column: 1 / -1; }
.meta { color: var(--muted); font-size: 13px; }
.badge {
  display: inline-flex;
  align-items: center;
  align-self: start;
  min-height: 26px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(141,90,98,.1);
  color: var(--plum);
  border: 1px solid rgba(141,90,98,.28);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.badge.is-part { color: var(--ink); background: var(--mist); border-color: var(--line-strong); }
.badge.is-wait { color: var(--slate); background: #fff; }
.more-sec { background: #fff; padding: 28px 0; }
.more-line { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.more-line p { color: var(--muted); }
.notice-sec { background: var(--mist); }
.notice-wrap { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: 28px 48px; align-items: start; }
.notice-wrap h2 { font-size: clamp(26px, 3vw, 34px); }
.notice-list { display: flex; flex-direction: column; }
.notice-list div {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line-strong);
}
.notice-list div:last-child { border-bottom: 1px solid var(--line-strong); }
.notice-list dt { color: var(--ink); font-weight: 700; }
.notice-list dd { margin: 0; color: var(--muted); }
.update-sec { background: var(--paper); }
.time-list { margin-top: 8px; }
.time-list li {
  display: grid;
  grid-template-columns: 9.5rem minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.time-list time { color: var(--plum); font-weight: 700; font-variant-numeric: tabular-nums; }
.time-list strong { display: block; color: var(--ink); }
.time-list span { color: var(--muted); font-size: 15px; }
.faq-sec { background: #fff; }
.faq-layout { display: grid; grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); gap: 28px 48px; }
.faq-layout h2 { font-size: clamp(26px, 3vw, 34px); }
.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0 18px;
}
.faq-item + .faq-item { margin-top: 10px; }
.faq-item summary {
  cursor: pointer;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 700;
  color: var(--ink);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "＋"; color: var(--plum); font-weight: 700; }
.faq-item[open] summary::after { content: "－"; }
.faq-item p { color: var(--muted); padding-bottom: 16px; }
.close-band { background: var(--ink); color: #fff; padding: 42px 0; }
.close-band h2 { color: #fff; font-size: clamp(26px, 3vw, 34px); }
.close-grid { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.close-band p { color: rgba(255,255,255,.78); margin-top: 8px; }
.btn-on-dark { background: #fff; color: var(--ink); }
.btn-on-dark:hover { background: var(--mist); }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 32px; }
.footer-title { font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.site-footer li a { display: inline-block; padding: 4px 0; color: var(--ink); border-bottom: 1px solid transparent; }
.site-footer li a:hover { color: var(--plum); border-bottom-color: var(--plum); }
.copy { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 1024px) {
  :root { --pad: 64px; }
  .mega-panel { width: min(680px, 86vw); }
}
@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .site-nav.is-open { display: flex; }
  .site-nav > a, .mega-trigger { min-height: 48px; }
  .mega-panel {
    position: static;
    width: 100%;
    grid-template-columns: 1fr;
    margin: 4px 0 8px;
  }
  .flat-grid, .compare-bar, .notice-wrap, .faq-layout, .footer-grid { grid-template-columns: 1fr; }
  .scope { padding-left: 0; border-left: 0; }
}
@media (max-width: 767px) {
  :root { --pad: 52px; }
  .duo, .time-list li, .notice-list div { grid-template-columns: 1fr; }
  .sec-top, .more-line, .close-grid { flex-direction: column; align-items: flex-start; }
  .time-list time { font-size: 14px; }
}
@media (max-width: 520px) {
  .container { width: min(72rem, calc(100% - 32px)); }
  .flat-head h1 { font-size: 28px; }
  .row-item h3 { font-size: 17px; }
  .logo { min-width: 0; }
}

/* roulang page: category1 */
:root {
 --ink: #1E3A4C;
 --slate: #5C7383;
 --plum: #8D5A62;
 --paper: #F3F6F8;
 --mist: #E7EEF3;
 --text: #1C2830;
 --muted: #5E6E78;
 --line: rgba(30,58,76,.08);
 --line-strong: rgba(30,58,76,.16);
 --card: #ffffff;
 --radius: 16px;
 --shadow: 0 12px 32px rgba(30,58,76,.08);
 --shadow-hover: 0 16px 36px rgba(30,58,76,.12);
 --pad: 96px;
}
html { scroll-behavior: smooth; }
html body {
 margin: 0;
 background: var(--paper);
 color: var(--text);
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
}
body h1, body h2, body h3, body h4 { margin: 0; font-weight: 700; line-height: 1.3; color: var(--ink); }
body p { margin: 0; }
body ul, body ol { margin: 0; padding: 0; list-style: none; }
body a { color: inherit; text-decoration: none; }
body img { max-width: 100%; display: block; }
body button, body input, body textarea { font-family: inherit; }
.container { width: min(72rem, calc(100% - 48px)); margin-inline: auto; }
.site-header {
 position: sticky;
 top: 0;
 z-index: 50;
 height: 72px;
 background: #fff;
 border-bottom: 1px solid var(--line);
}
.nav-bar { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: flex; flex-direction: column; line-height: 1.15; color: var(--ink); min-width: 132px; }
.logo strong { font-size: 16px; font-weight: 700; letter-spacing: 0; }
.logo span { font-size: 13px; font-weight: 700; color: var(--slate); }
.nav-toggle {
 display: none;
 min-height: 40px;
 padding: 0 14px;
 border-radius: 999px;
 border: 1px solid var(--line-strong);
 background: #fff;
 color: var(--ink);
 font-weight: 700;
}
.site-nav { display: flex; align-items: center; gap: 4px 26px; }
.site-nav > a, .mega-trigger {
 position: relative;
 display: inline-flex;
 align-items: center;
 min-height: 44px;
 color: var(--slate);
 font-size: 15px;
 font-weight: 700;
 background: transparent;
 border: 0;
 padding: 0;
 cursor: pointer;
}
.site-nav > a:hover, .mega-trigger:hover { color: var(--ink); }
.site-nav > a.active { color: var(--ink); box-shadow: inset 0 -2px 0 var(--ink); }
.mega { position: relative; }
.mega-panel {
 position: absolute;
 top: calc(100% + 10px);
 right: 0;
 width: min(680px, 72vw);
 display: none;
 grid-template-columns: 1.1fr .9fr .9fr;
 gap: 14px;
 padding: 16px;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
}
.mega:hover .mega-panel, .mega:focus-within .mega-panel, .mega.is-open .mega-panel { display: grid; }
.mega-label { font-size: 12px; letter-spacing: .08em; color: var(--plum); font-weight: 700; margin-bottom: 8px; }
.mega-card, .mega-links a, .mega-entry {
 display: block;
 border: 1px solid var(--line);
 border-radius: 12px;
 background: var(--paper);
 padding: 12px;
 transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.mega-card + .mega-card, .mega-links a + a { margin-top: 8px; }
.mega-card strong, .mega-entry strong, .mega-links a { display: block; color: var(--ink); font-weight: 700; }
.mega-card span, .mega-entry span, .mega-links em {
 display: block;
 margin-top: 4px;
 color: var(--muted);
 font-style: normal;
 font-size: 13px;
 line-height: 1.6;
 font-weight: 400;
}
.mega-card:hover, .mega-links a:hover, .mega-entry:hover {
 transform: translateY(-2px);
 box-shadow: var(--shadow);
 border-color: rgba(141,90,98,.35);
}
.mega-entry { background: var(--ink); color: #fff; min-height: 100%; }
.mega-entry strong, .mega-entry span { color: #fff; }
.mega-entry span { color: rgba(255,255,255,.78); }
.lead { color: var(--muted); max-width: 46rem; margin-top: 12px; }
.brand-line { color: var(--plum); font-weight: 700; font-size: 14px; margin-bottom: 12px; }
body .btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 46px;
 padding: 0 22px;
 border-radius: 999px;
 border: 1px solid transparent;
 font-weight: 700;
 cursor: pointer;
 transition: background .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
body .btn:focus-visible, .mega-trigger:focus-visible, .nav-toggle:focus-visible, summary:focus-visible, body a:focus-visible {
 outline: 2px solid var(--plum);
 outline-offset: 3px;
}
body .btn-primary { background: var(--ink); color: #fff; }
body .btn-primary:hover { background: #162c3a; }
body .btn-primary:active { transform: translateY(1px); }
body .btn-ghost { background: #fff; color: var(--ink); border-color: var(--line-strong); }
body .btn-ghost:hover { border-color: var(--ink); }
.page-head { padding: 48px 0 36px; background: #fff; border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(32px, 4vw, 44px); max-width: 12em; }
.scope { margin-top: 12px; color: var(--muted); max-width: 36rem; }
.band { padding: var(--pad) 0; }
.band-mist { background: var(--mist); }
.band-white { background: #fff; }
.band-paper { background: var(--paper); }
.section-title { font-size: clamp(26px, 3vw, 34px); margin-bottom: 8px; }
.section-note { color: var(--muted); max-width: 40rem; margin-bottom: 28px; }
.tag-bar { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 4px; }
.tag {
 display: inline-flex;
 align-items: center;
 flex: 0 0 auto;
 min-height: 36px;
 padding: 0 14px;
 border-radius: 999px;
 background: #fff;
 color: var(--slate);
 border: 1px solid var(--line-strong);
 font-size: 14px;
 font-weight: 700;
}
.tag.is-on { color: var(--plum); border-color: rgba(141,90,98,.45); background: #fff; }
.entry-list { display: flex; flex-direction: column; gap: 16px; }
.entry {
 display: grid;
 grid-template-columns: 108px minmax(0, 1fr);
 gap: 18px;
 align-items: center;
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 16px;
 transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.entry:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: rgba(141,90,98,.28); }
.thumb {
 aspect-ratio: 3 / 4;
 border-radius: 12px;
 display: flex;
 align-items: flex-end;
 padding: 10px;
 font-weight: 700;
 letter-spacing: .04em;
}
.tone-1 { background: #1E3A4C; color: #fff; }
.tone-2 { background: #5C7383; color: #fff; }
.tone-3 { background: #8D5A62; color: #fff; }
.tone-4 { background: #E7EEF3; color: #1E3A4C; }
.entry-top { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.entry h3 { font-size: 22px; }
.badge {
 display: inline-flex;
 align-items: center;
 min-height: 28px;
 padding: 0 10px;
 border-radius: 999px;
 font-size: 12px;
 font-weight: 700;
 border: 1px solid transparent;
}
.badge-ok { background: rgba(30,58,76,.08); color: var(--ink); }
.badge-part { background: rgba(141,90,98,.12); color: var(--plum); }
.badge-raw { background: var(--mist); color: var(--slate); border-color: var(--line); }
.pair-line {
 display: flex;
 flex-wrap: wrap;
 gap: 8px 14px;
 margin-top: 10px;
 padding-top: 10px;
 border-top: 1px solid var(--line);
 color: var(--ink);
 font-size: 14px;
}
.pair-line .k {
 color: var(--plum);
 font-size: 12px;
 font-weight: 700;
 letter-spacing: .06em;
}
.pair-line .raw { color: var(--muted); word-break: break-all; }
.meta { margin-top: 8px; color: var(--muted); font-size: 14px; }
.more-bar {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 18px;
 padding-top: 8px;
 padding-bottom: 8px;
 border-top: 1px solid var(--line);
}
.more-bar p { color: var(--ink); font-weight: 700; }
.point-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.point {
 padding: 8px 8px 8px 0;
 border-top: 2px solid var(--ink);
}
.point:nth-child(2) { border-top-color: var(--plum); }
.point:nth-child(3) { border-top-color: var(--slate); }
.point strong { display: block; font-size: 20px; color: var(--ink); margin: 14px 0 8px; }
.point p { color: var(--muted); }
.article-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; }
.article {
 display: block;
 padding: 18px 0;
 border-bottom: 1px solid var(--line);
 transition: color .18s ease;
}
.article:hover { color: var(--plum); }
.article em { display: block; margin-top: 6px; color: var(--muted); font-style: normal; font-size: 14px; font-weight: 400; }
.article strong { display: block; font-size: 18px; color: var(--ink); }
.article:hover strong { color: var(--plum); }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 6px 18px;
}
.faq-item summary {
 cursor: pointer;
 min-height: 52px;
 display: flex;
 align-items: center;
 font-weight: 700;
 color: var(--ink);
 list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:after { content: "+"; margin-left: auto; color: var(--plum); font-size: 20px; }
.faq-item[open] summary:after { content: "–"; }
.faq-item[open] { border-color: rgba(141,90,98,.35); }
.faq-item p { color: var(--muted); padding-bottom: 14px; }
.home-bar {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 20px;
 background: var(--ink);
 color: #fff;
 border-radius: var(--radius);
 padding: 28px 32px;
}
.home-bar p { color: rgba(255,255,255,.86); max-width: 36rem; }
.home-bar strong { display: block; color: #fff; font-size: 22px; margin-bottom: 6px; }
.home-bar .btn-ghost { background: #fff; }
.site-footer { background: #fff; border-top: 1px solid var(--line); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 32px; }
.footer-title { font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.site-footer p { color: var(--muted); }
.site-footer li a {
 display: inline-block;
 padding: 4px 0;
 color: var(--ink);
 border-bottom: 1px solid transparent;
}
.site-footer li a:hover { color: var(--plum); border-bottom-color: var(--plum); }
.copy { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 1279px) {
 .container { width: min(72rem, calc(100% - 40px)); }
}
@media (max-width: 1023px) {
 :root { --pad: 72px; }
 .nav-toggle { display: inline-flex; }
 .site-header { height: 72px; }
 .site-nav {
 display: none;
 position: absolute;
 left: 0;
 right: 0;
 top: 72px;
 flex-direction: column;
 align-items: stretch;
 gap: 0;
 padding: 8px 20px 18px;
 background: #fff;
 border-bottom: 1px solid var(--line);
 box-shadow: var(--shadow);
 }
 .site-nav.is-open { display: flex; }
 .site-nav > a { min-height: 48px; }
 .mega-panel {
 position: static;
 width: 100%;
 grid-template-columns: 1fr;
 box-shadow: none;
 margin: 4px 0 12px;
 }
 .mega:hover .mega-panel { display: none; }
 .mega.is-open .mega-panel, .mega:focus-within .mega-panel { display: grid; }
 .point-grid, .article-list, .footer-grid { grid-template-columns: 1fr 1fr; }
 .footer-grid { gap: 22px; }
}
@media (max-width: 767px) {
 :root { --pad: 64px; }
 .entry { grid-template-columns: 84px minmax(0, 1fr); gap: 12px; }
 .point-grid, .article-list, .footer-grid, .more-bar, .home-bar { grid-template-columns: 1fr; }
 .more-bar, .home-bar { display: grid; }
 .home-bar { padding: 22px; }
 .page-head { padding: 36px 0 28px; }
}
@media (max-width: 520px) {
 :root { --pad: 56px; }
 .container { width: min(72rem, calc(100% - 32px)); }
 .logo { min-width: 0; }
 .entry { grid-template-columns: 1fr; }
 .thumb { aspect-ratio: 16 / 9; max-height: 160px; }
 .pair-line { display: grid; gap: 4px; }
}