/* roulang page: index */
:root {
  --paper: #F6F3EE;
  --mist: #E7EEF5;
  --card: #ffffff;
  --blue: #2C5F8A;
  --blue-deep: #1E4668;
  --ink: #1C2B3A;
  --muted: #5C6B7A;
  --line: #D5DEE8;
  --plum: #8E4B6A;
  --plum-deep: #6E3852;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(28,43,58,.08);
  --shadow-hover: 0 16px 36px rgba(28,43,58,.12);
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --space: 104px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
}
img { max-width: 100%; display: block; border: 0; }
button, input, textarea { font-family: inherit; font-size: 16px; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--plum);
  outline-offset: 2px;
}
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(246,243,238,.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.topbar {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 78px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { text-decoration: none; color: var(--blue-deep); }
.brand-mark {
  width: 28px;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  font-family: var(--serif);
  font-size: 12px;
  line-height: 1.15;
  letter-spacing: .12em;
  text-align: center;
  padding: 6px 4px;
}
.brand-name {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  max-width: 12em;
}
.chips {
  flex: 1 1 auto;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 6px 0;
  scrollbar-width: thin;
}
.chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  line-height: 1;
}
.chip:hover { text-decoration: none; border-color: var(--blue); color: var(--blue); }
.chip:active { transform: translateY(1px); }
.chip.active, .chip[aria-current="page"] {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}
.top-cta { flex: 0 0 auto; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
a.btn:hover { text-decoration: none; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); background: #173750; }
.btn-ghost { background: #fff; color: var(--blue); border-color: var(--blue); }
.btn-ghost:hover { background: var(--mist); color: var(--blue-deep); transform: translateY(-1px); }
.btn-ghost:active { transform: translateY(0); }
.btn-plum { background: var(--plum); color: #fff; }
.btn-plum:hover { background: var(--plum-deep); color: #fff; transform: translateY(-1px); }
.band { padding: var(--space) 0; }
.band-paper { background: var(--paper); }
.band-mist { background: var(--mist); }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: var(--plum);
  font-size: 13px;
  letter-spacing: .08em;
}
.kicker::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--plum);
}
h1, h2, h3, .serif { font-family: var(--serif); font-weight: 700; color: var(--ink); }
h1 { margin: 0 0 14px; font-size: 42px; line-height: 1.25; letter-spacing: .01em; }
h2 { margin: 0 0 12px; font-size: 32px; line-height: 1.35; }
h3 { margin: 0 0 8px; font-size: 22px; line-height: 1.4; }
.lead { margin: 0 0 16px; font-size: 18px; color: var(--ink); }
.desc { margin: 0 0 28px; max-width: 740px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.cover {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: #d9e3ee;
}
.ratio-16 { aspect-ratio: 16 / 9; }
.ratio-43 { aspect-ratio: 4 / 3; }
.art { position: absolute; inset: 0; }
.art-night { background: #234864; }
.art-room { background: #315572; }
.art-coast { background: #3d6484; }
.art-street { background: #2a4d68; }
.art-paper { background: #6d4d62; }
.art span { position: absolute; display: block; }
.moon { width: 54px; height: 54px; border-radius: 50%; background: #f3efe6; right: 12%; top: 16%; opacity: .9; }
.win { background: #f6f3ee; opacity: .86; border-radius: 2px; }
.w1 { width: 18%; height: 46%; left: 10%; bottom: 0; }
.w2 { width: 10%; height: 28%; left: 32%; bottom: 0; }
.w3 { width: 14%; height: 38%; left: 46%; bottom: 0; }
.w4 { width: 8%; height: 22%; left: 64%; bottom: 0; opacity: .55; }
.horizon { left: 0; right: 0; bottom: 18%; height: 1px; background: rgba(246,243,238,.45); }
.cover-cap {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  color: #fff;
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.4;
  text-shadow: 0 1px 8px rgba(28,43,58,.25);
}
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--plum);
  color: #fff;
  font-size: 12px;
  letter-spacing: .04em;
}
.badge-line { background: #fff; color: var(--blue); border: 1px solid var(--line); }
.badge-abs { position: absolute; top: 14px; left: 14px; z-index: 2; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.card:hover { box-shadow: var(--shadow-hover); }
a.card-link { display: block; color: inherit; height: 100%; }
a.card-link:hover { text-decoration: none; color: inherit; transform: translateY(-2px); }
.matrix { align-items: stretch; }
.matrix-main { min-height: 100%; display: flex; flex-direction: column; gap: 14px; }
.matrix-main .cover { flex: 1; min-height: 280px; }
.matrix-side { display: flex; flex-direction: column; gap: 16px; height: 100%; }
.mini-card { padding: 18px; }
.mini-card p, .card p, .scene-copy, .article-copy, .step p, .wall-card p, .src p, .rel a span { color: var(--muted); }
.stat-rail {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 6px;
  scroll-snap-type: x mandatory;
}
.stat {
  flex: 0 0 190px;
  scroll-snap-align: start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 20px;
}
.stat b {
  display: block;
  font-family: var(--serif);
  font-size: 34px;
  line-height: 1.1;
  color: var(--blue);
}
.stat span { display: block; margin-top: 8px; color: var(--muted); font-size: 14px; }
.steps { position: relative; }
.step {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px 22px;
  box-shadow: var(--shadow);
  height: 100%;
}
.step i {
  display: inline-flex;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: var(--mist);
  color: var(--blue);
  font-family: var(--serif);
  font-style: normal;
  font-weight: 700;
  margin-bottom: 12px;
}
.step-line {
  height: 1px;
  background: var(--line);
  margin: 8px 0 18px;
}
.scene-card { overflow: hidden; padding: 0; height: 100%; }
.scene-card .pad { padding: 24px 26px 26px; }
.wall {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  grid-template-areas:
    "big s1 s2"
    "big s3 s4";
  gap: 16px;
}
.wall-card {
  position: relative;
  display: block;
  min-height: 210px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  color: #fff;
}
.wall-card:hover { text-decoration: none; color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.g-big { grid-area: big; min-height: 440px; }
.g1 { grid-area: s1; }
.g2 { grid-area: s2; }
.g3 { grid-area: s3; }
.g4 { grid-area: s4; }
.wall-card .txt { position: absolute; left: 16px; right: 16px; bottom: 14px; }
.wall-card h3 { color: #fff; font-size: 22px; }
.compare { height: 100%; }
.compare ul { margin: 12px 0 0; padding: 0; list-style: none; }
.compare li {
  padding: 10px 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
}
.article {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 18px;
  padding: 16px;
  margin-bottom: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: inherit;
}
.article:hover { text-decoration: none; color: inherit; transform: translateY(-2px); }
.article h3 { font-size: 22px; }
.meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.timeline { position: relative; margin: 0; padding: 0 0 0 22px; list-style: none; }
.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line);
}
.timeline li {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px;
  margin: 0 0 14px;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -21px;
  top: 26px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--plum);
  border: 2px solid #fff;
}
.src-row { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 4px; }
.src {
  flex: 0 0 210px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
}
.src b { font-family: var(--serif); font-size: 16px; }
.dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--mist);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  flex: 0 0 auto;
}
.scene-row {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 18px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  margin-bottom: 12px;
  color: inherit;
}
.scene-row:hover { text-decoration: none; color: inherit; border-color: var(--blue); }
.scene-row strong { font-family: var(--serif); font-size: 20px; }
.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0 24px;
  margin-bottom: 12px;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "＋"; float: right; color: var(--plum); font-weight: 500; }
.faq details[open] summary::after { content: "－"; }
.faq details[open] { border-color: #b7c9da; }
.faq details p { margin: 0; padding: 0 0 18px; color: var(--muted); }
.notice {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.age {
  flex: 0 0 auto;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1px solid var(--plum);
  color: var(--plum);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 18px;
}
.week { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.day {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  min-height: 180px;
}
.day em { display: block; font-style: normal; color: var(--plum); font-size: 13px; margin-bottom: 8px; }
.form-card label { display: block; margin: 12px 0 6px; font-size: 14px; }
.form-card input, .form-card textarea {
  width: 100%;
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: none;
  color: var(--ink);
  padding: 12px 14px;
  height: auto;
}
.form-card textarea { min-height: 110px; resize: vertical; }
.form-card input:focus, .form-card textarea:focus {
  border-color: var(--blue);
  background: #fff;
}
.form-note { min-height: 1.5em; color: var(--plum); margin: 10px 0; }
.narrow { max-width: 760px; }
.rel { list-style: none; margin: 0; padding: 0; }
.rel li { border-top: 1px solid var(--line); }
.rel a {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  color: var(--ink);
}
.rel a:hover { color: var(--blue); }
.site-footer {
  background: #1c2b3a;
  color: #e7eef5;
  padding: 48px 0 36px;
}
.site-footer a { color: #e7eef5; }
.foot-brand { font-family: var(--serif); font-size: 22px; margin: 0 0 8px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 14px 18px; margin: 16px 0; }
.copy { color: #b7c4d1; font-size: 14px; margin: 0; }
@media (max-width: 1024px) {
  h1 { font-size: 36px; }
  h2 { font-size: 28px; }
  .wall { grid-template-columns: 1fr 1fr; grid-template-areas: "big big" "s1 s2" "s3 s4"; }
  .g-big { min-height: 320px; }
  .week { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .article { grid-template-columns: 160px 1fr; }
  .scene-row { grid-template-columns: 1fr; gap: 8px; }
  .brand-name { font-size: 16px; }
}
@media (max-width: 640px) {
  :root { --space: 48px; }
  .wrap { width: min(1120px, calc(100% - 28px)); }
  h1 { font-size: 30px; }
  h2 { font-size: 26px; }
  .topbar { gap: 10px; }
  .article, .week, .wall { grid-template-columns: 1fr; }
  .wall { grid-template-areas: "big" "s1" "s2" "s3" "s4"; }
  .g-big { min-height: 240px; }
  .notice { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* roulang page: category1 */
:root {
  --paper: #F6F3EE;
  --mist: #E7EEF5;
  --card: #ffffff;
  --blue: #2C5F8A;
  --blue-deep: #1E4668;
  --ink: #1C2B3A;
  --muted: #5C6B7A;
  --line: #D5DEE8;
  --plum: #8E4B6A;
  --plum-deep: #6E3852;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(28,43,58,.08);
  --shadow-hover: 0 16px 36px rgba(28,43,58,.12);
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --space: 104px;
}
/* roulang page: category1 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
}
img, svg { max-width: 100%; display: block; border: 0; }
button, input, textarea { font-family: inherit; font-size: 16px; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--plum);
  outline-offset: 2px;
}
h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--ink);
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: 0;
}
h1 { font-size: 40px; margin: 0 0 12px; }
h2 { font-size: 32px; margin: 0 0 18px; }
h3 { font-size: 22px; margin: 0 0 8px; }
p { margin: 0 0 10px; }
.wrap {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(246,243,238,.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.topbar {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 78px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { text-decoration: none; color: var(--blue-deep); }
.brand-mark {
  width: 28px;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  font-family: var(--serif);
  font-size: 12px;
  line-height: 1.15;
  letter-spacing: .12em;
  text-align: center;
  padding: 6px 4px;
}
.brand-name {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  max-width: 12em;
}
.chips {
  flex: 1 1 auto;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 6px 0;
  scrollbar-width: thin;
}
.chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  line-height: 1;
}
.chip:hover { text-decoration: none; border-color: var(--blue); color: var(--blue); }
.chip:active { transform: translateY(1px); }
.chip.active, .chip[aria-current="page"] {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}
.top-cta { flex: 0 0 auto; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
a.btn:hover { text-decoration: none; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-deep); color: #fff; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); background: #173750; }
.btn-ghost { background: #fff; color: var(--blue); border-color: var(--blue); }
.btn-ghost:hover { background: var(--mist); color: var(--blue-deep); transform: translateY(-1px); }
.btn-ghost:active { transform: translateY(0); }
.btn-plum { background: var(--plum); color: #fff; }
.btn-plum:hover { background: var(--plum-deep); color: #fff; transform: translateY(-1px); }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--plum);
  color: #fff;
  font-size: 12px;
  letter-spacing: .04em;
}
.badge-line { background: #fff; color: var(--blue); border: 1px solid var(--line); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.card:hover { box-shadow: var(--shadow-hover); }
.meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}
.sec { padding: var(--space) 0; }
.sec-paper { background: var(--paper); }
.sec-mist { background: var(--mist); }
.sec-head p, .entry-body p, .scope-bar p, .step-copy p, .faq p, .rel-card p, .revisit p {
  color: var(--muted);
}
.cat-head { padding: 96px 0 72px; }
.kicker {
  margin: 0 0 14px;
  color: var(--plum);
  font-size: 14px;
  letter-spacing: .08em;
}
.lead-line {
  margin: 0;
  max-width: 40em;
  font-size: 18px;
  color: var(--ink);
}
.update-line {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.scope-bar {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--plum);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 32px;
}
.scope-bar h2 { margin-bottom: 8px; }
.scope-bar p:last-child { margin: 0; }
.entry {
  padding: 24px;
  margin-bottom: 16px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.entry:hover { transform: translateY(-2px); }
.entry-link { display: block; color: inherit; }
.entry-link:hover { text-decoration: none; color: inherit; }
.entry-link:hover h3 { color: var(--blue); }
.thumb {
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--mist);
}
.thumb svg { width: 100%; height: 100%; }
.entry-body h3 { font-size: 24px; }
.entry-body p { margin: 0; }
.more-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.more-row h2 { margin: 0; font-size: 28px; }
.more-row p { margin: 6px 0 0; color: var(--muted); }
.vsteps { list-style: none; margin: 0; padding: 0; }
.vsteps li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  align-items: start;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.vsteps li:first-child { border-top: 0; padding-top: 0; }
.num {
  font-family: var(--serif);
  font-size: 28px;
  color: var(--blue);
  line-height: 1.2;
}
.step-copy p { margin: 0; }
.rel-card {
  display: block;
  height: 100%;
  color: inherit;
  overflow: hidden;
  padding: 0;
  transition: transform .2s ease, box-shadow .2s ease;
}
.rel-card:hover { text-decoration: none; color: inherit; transform: translateY(-2px); }
.rel-card .pad { padding: 20px 22px 22px; }
.rel-card h3 { font-size: 20px; }
.rel-card p { margin: 0; }
.cover-wide { aspect-ratio: 16 / 9; }
.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0 24px;
  margin-bottom: 12px;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "＋"; float: right; color: var(--plum); font-weight: 500; }
.faq details[open] summary::after { content: "－"; }
.faq details[open] { background: #fffdfb; }
.faq details p { padding: 0 0 18px; margin: 0; }
.revisit-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}
.revisit-box h2 { margin-bottom: 8px; }
.revisit-box p { margin: 0; }
.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 42px 0 36px;
}
.foot-brand {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--ink);
}
.site-footer p { color: var(--muted); }
.foot-links { display: flex; flex-wrap: wrap; gap: 14px 18px; margin: 14px 0; }
.foot-links a { color: var(--blue); }
.copy { font-size: 13px; margin: 0; }
@media (max-width: 1024px) {
  h1 { font-size: 34px; }
  h2 { font-size: 28px; }
  .rel-card h3, .entry-body h3 { font-size: 22px; }
}
@media (max-width: 768px) {
  :root { --space: 72px; }
  .cat-head { padding: 64px 0 48px; }
  .more-row, .revisit-box { align-items: flex-start; }
  .brand-name { font-size: 16px; }
}
@media (max-width: 639px) {
  :root { --space: 48px; }
  .wrap { width: min(1120px, calc(100% - 28px)); }
  .topbar { gap: 10px; min-height: 68px; }
  .brand-name { font-size: 14px; max-width: 7.2em; }
  .top-cta { padding: 0 12px; min-height: 36px; font-size: 14px; }
  h1 { font-size: 28px; }
  h2 { font-size: 24px; }
  .lead-line { font-size: 16px; }
  .entry { padding: 18px; }
  .entry .text-cell { order: 1; }
  .entry .cover-cell { order: 2; }
  .more-row, .revisit-box { flex-direction: column; }
  .scope-bar, .revisit-box { padding: 22px; }
  .vsteps li { grid-template-columns: 52px 1fr; }
  .faq summary { font-size: 18px; }
}
@media (max-width: 520px) {
  h1 { font-size: 26px; }
  .chip { padding: 0 12px; }
  .entry-body h3 { font-size: 20px; }
}