/* roulang page: index */
:root {
  --paper: #F3EEE6;
  --stone: #E6DDD1;
  --stone-2: #EFE8DE;
  --ink: #2B2622;
  --ink-soft: rgba(43, 38, 34, 0.72);
  --persimmon: #C4623A;
  --persimmon-hover: #A34E2C;
  --persimmon-active: #7E3B20;
  --sage: #5E6E59;
  --brass: #A68456;
  --night: #3A3134;
  --line: rgba(43, 38, 34, 0.14);
  --radius: 6px;
  --shadow: 0 12px 16px rgba(43, 38, 34, 0.06);
  --shadow-hover: 0 16px 16px rgba(43, 38, 34, 0.08);
  --space-block: 64px;
  --max: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.85;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
h1, h2, h3, .brand-main, .brand-sub, .metric-num, .idx, .foot-name {
  font-family: "Noto Serif SC", serif;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.01em;
}
h1 { font-size: clamp(1.85rem, 4.4vw, 3.15rem); margin: 0 0 0.45em; }
h2 { font-size: clamp(1.45rem, 2.5vw, 2rem); margin: 0 0 0.55em; }
h3 { font-size: 1.18rem; margin: 0 0 0.35em; }
p { margin: 0 0 0.9em; }
a { color: var(--ink); text-decoration-color: var(--brass); text-underline-offset: 0.18em; }
a:hover { color: var(--persimmon); }
:focus-visible { outline: 2px solid var(--sage); outline-offset: 2px; }
.container { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
.prose { max-width: 40em; }
.lead { max-width: 40em; color: var(--ink); margin-bottom: 1.6em; }
.block { padding: var(--space-block) 0; }
.bg-paper { background: var(--paper); }
.bg-stone { background: var(--stone); }
.bg-night { background: var(--night); color: var(--paper); }
.bg-night .lead, .bg-night p { color: #E7E0D6; }
.kicker {
  margin: 0 0 0.45em;
  color: var(--sage);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
}
.masthead {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  border-top: 2px solid var(--brass);
  border-bottom: 1px solid var(--line);
}
.mast-top {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 0 12px;
  border-bottom: 1px solid var(--line);
}
.brand { text-decoration: none; display: inline-flex; flex-direction: column; align-items: flex-start; }
.brand:hover { color: var(--ink); }
.brand-main { font-size: clamp(1.35rem, 2.6vw, 2.05rem); }
.brand-sub { font-size: 0.95rem; letter-spacing: 0.22em; color: var(--ink-soft); }
.mast-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}
.mast-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 0 0;
}
.toc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  margin: 8px 0;
  padding: 0 12px;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: transparent;
  color: var(--ink);
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: background-color 180ms ease;
}
.toc-btn:hover { background: var(--stone); }
.toc-btn:active { background: #d9cfc2; }
.channels {
  display: flex;
  align-items: stretch;
  gap: 0;
  overflow-x: auto;
  padding: 0 0 2px;
  scrollbar-width: thin;
}
.channels a {
  flex: 0 0 auto;
  text-decoration: none;
  letter-spacing: 0.14em;
  font-size: 0.95rem;
  padding: 10px 2px 12px;
  color: var(--ink);
}
.channels a:hover { color: var(--persimmon); }
.channels a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--persimmon); }
.sep {
  flex: 0 0 auto;
  width: 1px;
  height: 12px;
  margin: 16px 12px 0;
  background: var(--brass);
}
.channels.is-stacked { flex-wrap: wrap; overflow: visible; }
.channels.is-stacked a { flex: 1 1 100%; padding-left: 0; }
.channels.is-stacked .sep { display: none; }
.hero-grid { display: grid; gap: 28px; align-items: stretch; }
.scope { color: var(--ink-soft); margin-bottom: 0.8em; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 0.4em; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 4px;
  border: 1px solid var(--ink);
  text-decoration: none;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background-color 180ms ease, box-shadow 180ms ease, color 180ms ease;
}
.btn-primary { background: var(--persimmon); color: var(--ink); border-color: var(--persimmon); }
.btn-primary:hover { background: var(--persimmon-hover); border-color: var(--persimmon-hover); color: var(--ink); }
.btn-primary:active { background: var(--persimmon-active); border-color: var(--persimmon-active); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--stone); color: var(--ink); }
.btn-ghost:active { background: #d9cfc2; }
.btn:focus-visible { outline: 2px solid var(--sage); outline-offset: 2px; }
.metric-bar {
  background: var(--night);
  color: var(--paper);
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: 4px;
  box-shadow: var(--shadow);
}
.metric {
  padding: 18px 16px 16px;
  border-color: rgba(243, 238, 230, 0.16);
  border-style: solid;
  border-width: 0 1px 1px 0;
}
.metric:nth-child(2n) { border-right: 0; }
.metric:nth-child(n + 3) { border-bottom: 0; }
.metric-num { font-size: clamp(1.7rem, 3vw, 2.4rem); color: #F3EEE6; display: block; }
.metric p { margin: 0.25em 0 0; color: #E6DDD1; font-size: 0.92rem; }
.film-list, .note-list, .tag-list, .axis, .faq-list { list-style: none; margin: 0; padding: 0; }
.film-list { border-top: 1px solid var(--line); }
.film-row {
  display: grid;
  gap: 6px 16px;
  grid-template-columns: 1fr;
  padding: 16px 12px;
  border-bottom: 1px solid var(--line);
  transition: background-color 180ms ease;
}
.film-row:nth-child(even) { background: var(--stone-2); }
.film-row:hover { background: #e4dacd; }
.idx { font-size: 1.35rem; color: var(--brass); }
.film-row h3 { font-size: 1.12rem; }
.film-row p, .note-list p, .tag-list p { margin: 0; color: var(--ink-soft); }
.film-side { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border-radius: 2px;
  border: 1px solid var(--persimmon);
  color: var(--persimmon);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  background: transparent;
}
.badge-sage { border-color: var(--sage); color: var(--sage); }
.matrix { display: flex; flex-direction: column; gap: 16px; }
.card {
  background: rgba(243, 238, 230, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 18px 16px;
  transition: box-shadow 180ms ease, background-color 180ms ease;
}
.bg-stone .card { background: var(--paper); }
.card:hover { box-shadow: var(--shadow-hover); }
.m-a { min-height: 280px; }
.m-b { min-height: 168px; }
.m-c { min-height: 148px; }
.m-d { min-height: 132px; }
.frame {
  aspect-ratio: 16 / 9;
  background: var(--night);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 14px;
  position: relative;
}
.frame svg { width: 100%; height: 100%; }
.cap-bar {
  display: flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  background: #2b2622;
  color: #F3EEE6;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}
.scene-list { border-top: 1px solid var(--line); }
.scene {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.scene h3 { margin: 0; }
.scene p { margin: 0; color: var(--ink-soft); }
.compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  border: 1px solid rgba(166, 132, 86, 0.45);
  border-radius: 4px;
  padding: 8px 0;
}
.compare h3 { color: #F3EEE6; }
.compare ul { margin: 0; padding: 0 18px 8px; list-style: none; }
.compare li { padding: 10px 0; border-bottom: 1px solid rgba(243, 238, 230, 0.14); }
.compare li:last-child { border-bottom: 0; }
.compare-rule { height: 1px; background: var(--brass); margin: 0 18px; }
.axis { margin-left: 6px; border-left: 1px solid var(--brass); }
.axis li { position: relative; padding: 0 0 26px 22px; }
.axis li::before {
  content: "";
  width: 9px;
  height: 9px;
  border: 1px solid var(--brass);
  background: var(--paper);
  border-radius: 50%;
  position: absolute;
  left: -5px;
  top: 0.45em;
}
.bg-stone .axis li::before { background: var(--stone); }
.axis strong { display: block; font-family: "Noto Serif SC", serif; font-size: 1.05rem; }
.miles { display: flex; flex-direction: column; gap: 18px; }
.mile {
  position: relative;
  padding-top: 16px;
  border-top: 1px solid var(--brass);
}
.mile span { color: var(--persimmon); letter-spacing: 0.08em; font-size: 0.86rem; }
.tag-list { border-top: 1px solid var(--line); }
.tag-list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.tag-list h3 { font-size: 1.05rem; margin: 0; }
.note-list { border-top: 1px solid var(--line); }
.note {
  display: grid;
  gap: 6px;
  padding: 16px 12px;
  border-bottom: 1px solid var(--line);
}
.note:nth-child(even) { background: rgba(243, 238, 230, 0.45); }
.note time { color: var(--brass); letter-spacing: 0.04em; }
.note a { font-family: "Noto Serif SC", serif; font-size: 1.12rem; }
.more-link { display: inline-block; margin-top: 16px; letter-spacing: 0.08em; }
.read-grid { display: grid; gap: 22px; }
.read-side { display: grid; gap: 16px; }
.read-card h3 { font-size: 1.2rem; }
.read-card a { font-family: "Noto Serif SC", serif; }
.promise {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(243, 238, 230, 0.4);
}
.promise article { padding: 18px 16px 14px; }
.promise article + article { border-top: 1px solid var(--line); }
.promise i {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--brass);
  margin-bottom: 10px;
}
.device { padding: 16px 0; border-top: 1px solid var(--line); }
.device:last-child { border-bottom: 1px solid var(--line); }
.device p { margin: 0.2em 0 0; color: var(--ink-soft); max-width: 40em; }
.qa { display: grid; gap: 12px; }
.qa article {
  padding: 14px 16px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
}
.qa h3 { font-size: 1.05rem; }
.entry-grid { display: grid; gap: 16px; }
.entry {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
  padding: 16px;
  transition: box-shadow 180ms ease, background-color 180ms ease;
}
.entry:hover { background: var(--stone-2); color: inherit; box-shadow: var(--shadow-hover); }
.entry h3 { text-decoration: underline; text-decoration-color: var(--brass); text-underline-offset: 0.18em; }
.entry-lg { padding-bottom: 18px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); background: transparent; }
.faq-list summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 28px 14px 0;
  font-family: "Noto Serif SC", serif;
  font-size: 1.08rem;
  line-height: 1.45;
  position: relative;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "＋";
  position: absolute;
  right: 0;
  top: 14px;
  color: var(--brass);
  font-size: 0.9rem;
}
.faq-list details[open] summary { color: var(--persimmon); }
.faq-list details[open] summary::after { content: "－"; }
.faq-list details p { max-width: 40em; margin: 0 0 14px; color: var(--ink-soft); }
.form-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px;
  background: #fff;
  box-shadow: var(--shadow);
}
.form-grid { display: grid; gap: 14px; }
label { display: block; margin-bottom: 6px; letter-spacing: 0.04em; }
input, select, textarea {
  width: 100%;
  background: #fff;
  color: var(--ink);
  border: 1px solid rgba(43, 38, 34, 0.45);
  border-radius: 8px;
  padding: 10px 12px;
  line-height: 1.5;
}
textarea { min-height: 120px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  border-color: var(--persimmon);
  outline: 2px solid var(--sage);
  outline-offset: 1px;
}
[aria-invalid="true"] { border-color: var(--persimmon); }
.form-error { color: var(--persimmon); min-height: 1.5em; }
.form-ok { color: var(--sage); min-height: 1.5em; }
.site-footer { background: var(--night); color: #F3EEE6; padding: 48px 0 20px; }
.site-footer a { color: #F3EEE6; text-decoration-color: var(--brass); }
.site-footer a:hover { color: #E6DDD1; }
.foot-grid { display: grid; gap: 28px; }
.foot-name { font-size: clamp(1.25rem, 2vw, 1.7rem); margin: 0 0 0.4em; color: #F3EEE6; }
.foot-label { letter-spacing: 0.16em; color: var(--brass); margin-bottom: 0.4em; }
.foot-links { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.foot-links a { text-decoration: underline; text-decoration-color: var(--brass); }
.copy {
  width: min(var(--max), calc(100% - 40px));
  margin: 28px auto 0;
  padding-top: 14px;
  border-top: 1px solid rgba(243, 238, 230, 0.16);
  color: #E6DDD1;
  font-size: 0.88rem;
}
@media (min-width: 640px) {
  .qa { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .span-2 { grid-column: 1 / -1; }
  .tag-list li { grid-template-columns: 9em 1fr; gap: 18px; align-items: baseline; }
}
@media (min-width: 768px) {
  :root { --space-block: 96px; }
  .mast-top { flex-direction: row; align-items: flex-end; justify-content: space-between; }
  .mast-meta { border-left: 1px solid var(--brass); padding-left: 16px; min-height: 42px; }
  .toc-btn { display: none; }
  .channels.is-stacked { flex-wrap: nowrap; overflow-x: auto; }
  .channels.is-stacked a { flex: 0 0 auto; }
  .channels.is-stacked .sep { display: block; }
  .film-row { grid-template-columns: 72px minmax(0, 1fr) 168px; align-items: center; }
  .film-side { justify-content: flex-end; }
  .scene { grid-template-columns: 180px minmax(0, 1fr); align-items: center; gap: 24px; }
  .compare { grid-template-columns: 1fr 1px 1fr; gap: 0; align-items: stretch; }
  .compare-rule { height: auto; width: 1px; margin: 12px 0; }
  .note { grid-template-columns: 120px minmax(0, 1fr); gap: 18px; align-items: start; }
  .promise { grid-template-columns: repeat(4, 1fr); }
  .promise article + article { border-top: 0; border-left: 1px solid var(--line); }
  .read-grid { grid-template-columns: 1.1fr 0.9fr; align-items: start; }
  .foot-grid { grid-template-columns: 1.4fr 0.8fr 1fr; }
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 1.35fr 0.9fr; }
  .matrix {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-auto-rows: auto;
    gap: 16px;
  }
  .m-a { grid-column: 1 / span 7; grid-row: 1 / span 2; min-height: 100%; }
  .m-b { grid-column: 8 / span 5; grid-row: 1; }
  .m-c { grid-column: 8 / span 3; grid-row: 2; }
  .m-d { grid-column: 11 / span 2; grid-row: 2; }
  .miles { flex-direction: row; gap: 22px; }
  .mile { flex: 1; }
  .entry-grid { grid-template-columns: 1.65fr 1fr; align-items: stretch; }
}
@media (min-width: 1280px) {
  .container, .copy { width: min(var(--max), calc(100% - 64px)); }
}
@media (max-width: 520px) {
  .btn-row { flex-direction: column; }
  .btn { width: 100%; }
  h1 { font-size: 1.72rem; }
  .metric { padding: 14px 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* roulang page: category1 */
:root {
  --paper: #F3EEE6;
  --stone: #E6DDD1;
  --stone-2: #EFE8DE;
  --ink: #2B2622;
  --ink-soft: rgba(43, 38, 34, 0.72);
  --persimmon: #C4623A;
  --persimmon-hover: #A34E2C;
  --persimmon-active: #7E3B20;
  --sage: #5E6E59;
  --brass: #A68456;
  --night: #3A3134;
  --line: rgba(43, 38, 34, 0.14);
  --radius: 6px;
  --shadow: 0 12px 16px rgba(43, 38, 34, 0.06);
  --shadow-hover: 0 16px 16px rgba(43, 38, 34, 0.08);
  --space-block: 64px;
  --max: 1180px;
}
@media (min-width: 768px) {
  :root { --space-block: 96px; }
}
html { scroll-behavior: smooth; }
body.page {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.85;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
h1, h2, h3, .brand-main, .brand-sub, .idx, .foot-name, .count-num {
  font-family: "Noto Serif SC", serif;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.01em;
}
h1, h2, h3, p { margin: 0; }
a { color: var(--ink); text-decoration-color: var(--brass); text-underline-offset: 0.18em; }
a:hover { color: var(--persimmon); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--sage);
  outline-offset: 2px;
}
.container { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
@media (min-width: 1280px) {
  .container { width: min(var(--max), calc(100% - 64px)); }
}
.lead { max-width: 40em; margin-bottom: 1.4em; }
.kicker {
  margin: 0 0 8px;
  color: var(--brass);
  letter-spacing: 0.16em;
  font-size: 0.78rem;
}
.block { padding-block: var(--space-block); }
.bg-paper { background: var(--paper); }
.bg-stone { background: var(--stone); }
.bg-night { background: var(--night); color: #E7E0D6; }
.bg-night h2, .bg-night h3, .bg-night .foot-name { color: #F3EEE6; }
.bg-night p, .bg-night li { color: #E7E0D6; }
.masthead {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--paper);
  border-top: 1px solid var(--brass);
  border-bottom: 1px solid var(--line);
}
.mast-top {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 14px;
  padding-bottom: 12px;
}
.brand { text-decoration: none; display: inline-flex; flex-direction: column; align-items: flex-start; }
.brand:hover { color: var(--ink); }
.brand-main { font-size: clamp(1.35rem, 2.6vw, 2.05rem); }
.brand-sub { font-size: 0.95rem; letter-spacing: 0.22em; color: var(--ink-soft); }
.mast-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}
.mast-bar { display: flex; }
.toc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  margin: 0 0 8px;
  padding: 0 12px;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: transparent;
  color: var(--ink);
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: background-color 180ms ease;
}
.toc-btn:hover { background: var(--stone); }
.toc-btn:active { background: #d9cfc2; }
.channels {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  scrollbar-width: thin;
}
.channels.is-stacked { flex-direction: column; align-items: flex-start; }
.channels.is-stacked .sep { display: none; }
.channels a {
  flex: 0 0 auto;
  text-decoration: none;
  letter-spacing: 0.14em;
  font-size: 0.95rem;
  padding: 10px 2px 12px;
  color: var(--ink);
}
.channels a:hover { color: var(--persimmon); }
.channels a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--persimmon); }
.sep {
  width: 1px;
  height: 14px;
  background: var(--brass);
  opacity: 0.7;
  flex: 0 0 auto;
  margin: 0 12px;
}
.cat-head-grid {
  display: grid;
  gap: 18px;
  align-items: end;
}
.cat-head h1 { font-size: clamp(2rem, 4.8vw, 3.45rem); margin: 0.1em 0 0.35em; }
.filter-line {
  max-width: 40em;
  color: var(--ink-soft);
  padding-top: 8px;
  border-top: 1px solid var(--line);
}
.issue-side {
  display: flex;
  gap: 22px;
  align-items: baseline;
  padding-bottom: 6px;
}
.issue-no { letter-spacing: 0.14em; font-size: 0.92rem; color: var(--ink-soft); }
.count-num { font-size: 1.55rem; }
.count-num small { font-family: "Noto Sans SC", sans-serif; font-size: 0.85rem; letter-spacing: 0.08em; margin-left: 4px; }
.sub-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
  margin-top: 22px;
  padding: 8px 12px;
  background: var(--night);
  color: #E7E0D6;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  border-radius: 2px;
}
.block h2 { font-size: clamp(1.55rem, 3vw, 2.15rem); margin: 0 0 0.7em; }
.film-list, .note-list { list-style: none; margin: 0; padding: 0; }
.film-list { border-top: 1px solid var(--line); }
.film-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 6px 12px;
  padding: 16px 12px;
  border-bottom: 1px solid var(--line);
  transition: background-color 180ms ease, box-shadow 180ms ease;
}
.film-row:nth-child(even) { background: var(--stone-2); }
.film-row:hover { background: #e4dacd; }
.film-copy h3 { font-size: 1.18rem; margin-bottom: 0.2em; }
.film-copy p, .note-list p, .scale-stop p, .band p, .short-qa p { color: var(--ink-soft); }
.idx { color: var(--brass); letter-spacing: 0.04em; padding-top: 0.15em; }
.film-meta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
}
.dur, time { letter-spacing: 0.04em; font-size: 0.92rem; }
.status { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border-radius: 2px;
  border: 1px solid var(--persimmon);
  color: var(--persimmon);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  background: transparent;
}
.badge-sage { border-color: var(--sage); color: var(--sage); }
.badge-ink { border-color: var(--ink); color: var(--ink); }
.scale-track {
  display: grid;
  grid-template-columns: repeat(3, minmax(200px, 1fr));
  overflow-x: auto;
  border-top: 1px solid var(--brass);
}
.scale-stop {
  position: relative;
  min-height: 148px;
  padding: 18px 16px 8px;
  border-right: 1px solid var(--line);
}
.scale-stop::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 14px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--brass);
  background: var(--paper);
  border-radius: 2px;
}
.scale-stop strong { display: block; font-family: "Noto Serif SC", serif; font-size: 1.28rem; margin-bottom: 0.45em; }
.band-list { border-top: 1px solid var(--line); }
.band {
  display: grid;
  gap: 8px 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.band h3 { font-size: 1.15rem; }
.band-bar { height: 8px; border-radius: 2px; background: var(--brass); }
.band:nth-child(1) .band-bar { width: 36%; }
.band:nth-child(2) .band-bar { width: 68%; background: var(--sage); }
.band:nth-child(3) .band-bar { width: 100%; background: var(--persimmon); }
.note-list { border-top: 1px solid var(--line); }
.note-list li { padding: 16px 0; border-bottom: 1px solid var(--line); }
.note-list a { font-family: "Noto Serif SC", serif; font-size: 1.2rem; text-decoration: none; }
.note-list a:hover { text-decoration: underline; text-decoration-color: var(--brass); }
.rhythm { border-top: 1px solid rgba(231, 224, 214, 0.28); }
.rhythm article { padding: 18px 0 4px; }
.rhythm h3 { font-size: 1.25rem; margin-bottom: 0.45em; }
.more-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
}
.more-row p { max-width: 36em; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 4px;
  border: 1px solid var(--ink);
  text-decoration: none;
  letter-spacing: 0.06em;
  cursor: pointer;
  background: transparent;
  color: var(--ink);
  transition: background-color 180ms ease, box-shadow 180ms ease, color 180ms ease;
}
.btn-primary { background: var(--persimmon); color: var(--ink); border-color: var(--persimmon); }
.btn-primary:hover { background: var(--persimmon-hover); border-color: var(--persimmon-hover); color: var(--ink); }
.btn-primary:active { background: var(--persimmon-active); border-color: var(--persimmon-active); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--stone); color: var(--ink); }
.btn-ghost:active { background: #d9cfc2; }
.btn:focus-visible { outline: 2px solid var(--sage); outline-offset: 2px; }
.short-qa { border-top: 1px solid var(--line); }
.short-qa article {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.short-qa h3 { font-size: 1.08rem; }
.site-footer {
  background: var(--night);
  color: #E7E0D6;
  padding: 48px 0 28px;
}
.site-footer a { color: #E7E0D6; text-decoration-color: var(--brass); }
.site-footer a:hover { color: #fff; }
.foot-grid { display: grid; gap: 28px; }
.foot-name { font-size: 1.35rem; margin: 0 0 8px; color: #F3EEE6; }
.foot-label { letter-spacing: 0.14em; color: var(--brass); margin: 0 0 8px; font-size: 0.82rem; }
.foot-links { display: flex; flex-direction: column; gap: 6px; }
.foot-links a { text-decoration: none; }
.copy {
  border-top: 1px solid rgba(243, 238, 230, 0.16);
  margin: 28px 0 0;
  padding-top: 16px;
  font-size: 0.85rem;
  color: rgba(231, 224, 214, 0.72);
}
@media (min-width: 640px) {
  .short-qa article { gap: 10px 22px; }
}
@media (min-width: 768px) {
  .mast-top {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
  .mast-meta {
    border-left: 1px solid var(--line);
    padding-left: 16px;
    min-height: 52px;
  }
  .toc-btn { display: none; }
  .channels, .channels.is-stacked {
    flex-direction: row;
    align-items: center;
    overflow: visible;
  }
  .channels.is-stacked .sep { display: block; }
  .cat-head-grid { grid-template-columns: minmax(0, 1fr) auto; }
  .issue-side { border-left: 1px solid var(--brass); padding-left: 18px; }
  .film-row {
    grid-template-columns: 56px minmax(0, 1fr) 104px minmax(150px, 190px) 76px;
    align-items: center;
  }
  .film-meta { display: contents; }
  .band { grid-template-columns: 168px minmax(0, 1fr); align-items: center; }
  .rhythm { display: grid; grid-template-columns: 1.25fr 0.85fr; }
  .rhythm article + article { border-left: 1px solid rgba(231, 224, 214, 0.28); padding-left: 28px; }
  .short-qa article { grid-template-columns: minmax(16em, 22em) minmax(0, 1fr); align-items: start; }
  .foot-grid { grid-template-columns: 1.4fr 0.8fr 1.2fr; }
}
@media (min-width: 1024px) {
  .cat-head h1 { max-width: 10em; }
  .scale-stop { min-height: 160px; }
}

/* roulang page: category2 */
:root {
 --paper: #F3EEE6;
 --stone: #E6DDD1;
 --stone-2: #EFE8DE;
 --ink: #2B2622;
 --ink-soft: rgba(43, 38, 34, 0.72);
 --persimmon: #C4623A;
 --persimmon-hover: #A34E2C;
 --persimmon-active: #7E3B20;
 --sage: #5E6E59;
 --brass: #A68456;
 --night: #3A3134;
 --line: rgba(43, 38, 34, 0.14);
 --radius: 6px;
 --shadow: 0 12px 16px rgba(43, 38, 34, 0.06);
 --shadow-hover: 0 16px 16px rgba(43, 38, 34, 0.08);
 --space-block: 64px;
 --max: 1180px;
}
@media (min-width: 768px) {
 :root { --space-block: 96px; }
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.page {
 margin: 0;
 background: var(--paper) !important;
 color: var(--ink) !important;
 font-family: "Noto Sans SC", sans-serif !important;
 font-size: 16px;
 line-height: 1.85;
 text-rendering: optimizeLegibility;
 overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
h1, h2, h3, .brand-main, .brand-sub, .metric-num, .idx, .tick-num, .foot-name, .issue strong {
 font-family: "Noto Serif SC", serif;
 font-weight: 600;
 line-height: 1.3;
 letter-spacing: 0.01em;
}
h1, h2, h3, p { margin-top: 0; }
p { margin-bottom: 0.9em; }
p:last-child { margin-bottom: 0; }
a { color: var(--ink); text-decoration-color: var(--brass); text-underline-offset: 0.18em; transition: color 180ms ease; }
a:hover { color: var(--persimmon); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: 2px solid var(--sage);
 outline-offset: 2px;
}
.container {
 width: min(var(--max), calc(100% - 40px)) !important;
 max-width: var(--max) !important;
 margin-inline: auto !important;
 padding-left: 0 !important;
 padding-right: 0 !important;
}
@media (min-width: 1280px) {
 .container { width: min(var(--max), calc(100% - 64px)) !important; }
}
.lead, .scope, .prose { max-width: 40em; }
.scope { color: var(--ink); margin-bottom: 0; }
.meta { color: var(--ink-soft); font-size: 0.92rem; letter-spacing: 0.04em; margin: 0; }
.masthead {
 position: sticky;
 top: 0;
 z-index: 40;
 background: var(--paper);
 border-top: 1px solid var(--brass);
 border-bottom: 1px solid var(--line);
}
.mast-top {
 display: flex;
 flex-direction: column;
 align-items: flex-start;
 gap: 8px;
 padding: 16px 0 12px;
 border-bottom: 1px solid var(--line);
}
.brand { text-decoration: none; display: inline-flex; flex-direction: column; align-items: flex-start; }
.brand:hover { color: var(--ink); }
.brand-main { font-size: clamp(1.35rem, 2.6vw, 2.05rem); }
.brand-sub { font-size: 0.95rem; letter-spacing: 0.22em; color: var(--ink-soft); }
.mast-meta {
 display: flex;
 align-items: center;
 gap: 10px;
 color: var(--ink-soft);
 font-size: 0.82rem;
 letter-spacing: 0.08em;
}
.mast-bar { display: flex; }
.toc-btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 36px;
 margin: 8px 0;
 padding: 0 12px;
 border: 1px solid var(--ink);
 border-radius: 4px;
 background: transparent;
 color: var(--ink);
 letter-spacing: 0.14em;
 cursor: pointer;
 transition: background-color 180ms ease, color 180ms ease;
}
.toc-btn:hover { background: var(--stone); }
.toc-btn:active { background: #d9cfc2; }
.channels {
 display: flex;
 align-items: center;
 gap: 0;
 overflow-x: auto;
 padding-bottom: 2px;
 scrollbar-width: thin;
 border-top: 0;
}
.channels a {
 flex: 0 0 auto;
 text-decoration: none;
 letter-spacing: 0.14em;
 font-size: 0.95rem;
 padding: 10px 2px 12px;
 color: var(--ink);
}
.channels a:hover { color: var(--persimmon); }
.channels a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--persimmon); }
.channels .sep {
 width: 1px;
 height: 14px;
 background: var(--brass);
 display: inline-block;
 margin: 0 14px;
 flex: 0 0 auto;
}
.channels.is-open { flex-direction: column; align-items: flex-start; overflow: visible; }
.channels.is-open .sep { display: none; }
.channels.is-open a { flex: 1 1 100%; padding: 8px 0; }
@media (min-width: 768px) {
 .mast-top {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
 }
 .mast-meta {
  border-left: 1px solid var(--brass);
  padding-left: 18px;
  margin-left: 18px;
  min-height: 48px;
 }
 .mast-bar { display: none; }
 .channels.is-open { flex-direction: row; align-items: center; }
 .channels.is-open .sep { display: inline-block; }
 .channels.is-open a { flex: 0 0 auto; padding: 10px 2px 12px; }
}
.block { padding-top: var(--space-block); padding-bottom: var(--space-block); }
.bg-paper { background: var(--paper); }
.bg-stone { background: var(--stone); }
.bg-night { background: var(--night); color: #E7E0D6; }
.bg-night h2, .bg-night h3, .bg-night p, .bg-night .meta { color: #E7E0D6; }
.slim { padding: 40px 0; }
@media (min-width: 768px) { .slim { padding: 52px 0; } }
h1 { font-size: clamp(1.85rem, 4vw, 3.05rem); margin-bottom: 0.45em; }
h2 { font-size: clamp(1.45rem, 2.4vw, 1.95rem); margin-bottom: 0.55em; }
h3 { font-size: 1.18rem; margin-bottom: 0.35em; }
.block h2::after, .slim h2::after {
 content: "";
 display: block;
 width: 48px;
 height: 1px;
 background: var(--brass);
 margin-top: 8px;
}
.section-head { margin-bottom: 28px; }
.chapter-grid { display: grid; gap: 18px; align-items: end; }
.issue {
 display: flex;
 gap: 18px;
 align-items: baseline;
}
.issue strong {
 display: block;
 font-size: clamp(1.35rem, 2vw, 1.8rem);
 font-weight: 600;
}
.issue span { display: block; color: var(--ink-soft); font-size: 0.82rem; letter-spacing: 0.12em; }
.filter-line {
 border-top: 1px solid var(--line);
 margin: 22px 0 0;
 padding-top: 14px;
 color: var(--ink-soft);
 letter-spacing: 0.06em;
}
.collage, .side-stack { display: flex; flex-direction: column; gap: 16px; }
.card {
 background: rgba(243, 238, 230, 0.55);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 padding: 18px 18px 16px;
 transition: box-shadow 180ms ease, background-color 180ms ease;
}
.bg-stone .card, .bg-paper .card { background: #fffdf9; }
.bg-paper .card { background: rgba(255, 252, 247, 0.8); }
.card:hover { box-shadow: var(--shadow-hover); }
.card-lg { padding: 0; overflow: hidden; }
.card-lg .card-body { padding: 18px 18px 20px; }
.card-sm { display: grid; gap: 12px; }
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.badge {
 display: inline-flex;
 align-items: center;
 min-height: 26px;
 padding: 0 8px;
 border-radius: 2px;
 border: 1px solid var(--persimmon);
 color: var(--persimmon);
 font-size: 0.78rem;
 letter-spacing: 0.08em;
 background: transparent;
}
.badge-sage { border-color: var(--sage); color: var(--sage); }
.screen {
 position: relative;
 background: var(--night);
 color: #F3EEE6;
 border-radius: 4px;
 overflow: hidden;
 min-height: 148px;
 aspect-ratio: 16 / 9;
}
.screen-32 { aspect-ratio: 3 / 2; min-height: 120px; }
.screen-wide { aspect-ratio: 16 / 9; min-height: 180px; width: 100%; }
.screen-scene {
 position: absolute;
 left: 16px;
 top: 14px;
 margin: 0;
 color: rgba(243, 238, 230, 0.72);
 font-size: 0.8rem;
 letter-spacing: 0.12em;
}
.cap-bottom {
 position: absolute;
 left: 8%;
 right: 8%;
 bottom: 10%;
 margin: 0;
 text-align: center;
 background: rgba(43, 38, 34, 0.78);
 border-top: 1px solid var(--brass);
 padding: 6px 10px;
 font-size: 0.95rem;
 letter-spacing: 0.04em;
}
.cap-side {
 position: absolute;
 top: 18%;
 right: 6%;
 width: min(46%, 220px);
 margin: 0;
 border-left: 1px solid var(--brass);
 padding: 2px 0 2px 10px;
 font-size: 0.88rem;
 line-height: 1.7;
 text-align: left;
}
.seat-glow {
 position: absolute;
 left: 0;
 right: 0;
 bottom: 0;
 height: 46%;
 background: linear-gradient(180deg, rgba(58, 49, 52, 0), rgba(166, 132, 86, 0.18));
}
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 46px;
 padding: 0 18px;
 border-radius: 4px;
 border: 1px solid var(--ink);
 text-decoration: none;
 letter-spacing: 0.06em;
 cursor: pointer;
 background: transparent;
 color: var(--ink);
 transition: background-color 180ms ease, box-shadow 180ms ease, color 180ms ease, border-color 180ms ease;
}
.btn-primary { background: var(--persimmon); color: var(--ink); border-color: var(--persimmon); }
.btn-primary:hover { background: var(--persimmon-hover); border-color: var(--persimmon-hover); color: var(--ink); }
.btn-primary:active { background: var(--persimmon-active); border-color: var(--persimmon-active); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--stone); color: var(--ink); }
.btn-ghost:active { background: #d9cfc2; }
.btn:focus-visible { outline: 2px solid var(--sage); outline-offset: 2px; }
.ticks, .steps, .note-list, .faq-list { list-style: none; margin: 0; padding: 0; }
.ticks li {
 position: relative;
 padding: 8px 0 16px 18px;
 border-left: 1px solid var(--brass);
}
.ticks li::before {
 content: "";
 width: 7px;
 height: 7px;
 border-radius: 50%;
 background: var(--persimmon);
 position: absolute;
 left: -4px;
 top: 18px;
}
.tick-num { display: block; font-size: 1.55rem; color: var(--ink); }
.ticks h3, .steps h3 { margin-bottom: 0.2em; }
.ticks p, .steps p, .note-list p { color: var(--ink-soft); margin: 0; }
.sample { margin: 0 0 22px; }
.sample:last-child { margin-bottom: 0; }
.sample figcaption {
 font-family: "Noto Serif SC", serif;
 font-size: 1.12rem;
 letter-spacing: 0.08em;
 margin-bottom: 10px;
}
.sample-note { max-width: 40em; color: var(--ink-soft); margin-top: 8px; }
.steps { border-top: 1px solid var(--line); }
.steps li {
 display: grid;
 grid-template-columns: 56px 1fr;
 gap: 8px 14px;
 padding: 18px 0;
 border-bottom: 1px solid var(--line);
}
.idx { font-size: 1.45rem; color: var(--persimmon); }
.note-list { border-top: 1px solid var(--line); }
.note-list li {
 padding: 16px 12px;
 border-bottom: 1px solid var(--line);
 transition: background-color 180ms ease;
}
.note-list li:nth-child(even) { background: var(--stone-2); }
.note-list li:hover { background: #e4dacd; }
.note-list a { font-family: "Noto Serif SC", serif; font-size: 1.15rem; text-decoration: none; }
.note-list a:hover { text-decoration: underline; text-decoration-color: var(--brass); }
.note-list time { display: block; color: var(--ink-soft); font-size: 0.86rem; letter-spacing: 0.06em; }
.device-line h2 { margin-bottom: 0.4em; }
.anchor-row .btn { min-width: 148px; }
.form-card {
 border: 1px solid var(--line);
 border-radius: var(--radius);
 padding: 18px 16px;
 background: #fff;
 box-shadow: var(--shadow);
}
.form-grid { display: grid; gap: 14px; }
input, select, textarea {
 width: 100%;
 background: #fff;
 color: var(--ink);
 border: 1px solid var(--ink);
 border-radius: 8px;
 min-height: 46px;
 padding: 8px 12px;
}
textarea { min-height: 120px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--persimmon); outline: 2px solid var(--sage); outline-offset: 1px; }
.field-error { color: var(--persimmon); font-size: 0.88rem; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
 list-style: none;
 cursor: pointer;
 padding: 14px 28px 14px 0;
 font-family: "Noto Serif SC", serif;
 position: relative;
}
.faq-list summary::-webkit-details-marker { display: none; }
.site-footer {
 background: var(--night);
 color: #E7E0D6;
 padding: 56px 0 28px;
}
.site-footer a { color: #E7E0D6; text-decoration-color: var(--brass); }
.site-footer a:hover { color: #F3EEE6; }
.foot-grid { display: grid; gap: 28px; }
.foot-name { font-size: 1.35rem; margin: 0 0 10px; color: #F3EEE6; }
.foot-label { letter-spacing: 0.16em; color: var(--brass); font-size: 0.82rem; margin: 0 0 10px; }
.foot-links { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.foot-links a { text-decoration: none; }
.foot-links a:hover { text-decoration: underline; text-decoration-color: var(--brass); }
.copy {
 border-top: 1px solid rgba(243, 238, 230, 0.16);
 margin: 28px 0 0;
 padding-top: 16px;
 color: rgba(231, 224, 214, 0.72);
 font-size: 0.88rem;
}
@media (min-width: 640px) {
 .note-list li {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  column-gap: 18px;
  align-items: start;
 }
 .note-list time { padding-top: 4px; }
 .card-sm { grid-template-columns: minmax(0, 1.1fr) minmax(140px, 0.8fr); align-items: center; }
}
@media (min-width: 768px) {
 .chapter-grid { grid-template-columns: minmax(0, 1fr) auto; gap: 32px; }
 .issue { border-left: 1px solid var(--brass); padding-left: 22px; flex-direction: column; gap: 8px; text-align: right; }
 .device-line { display: grid; grid-template-columns: minmax(180px, 240px) minmax(0, 1fr); gap: 28px; align-items: center; }
 .device-line h2 { margin: 0; }
 .foot-grid { grid-template-columns: 1.3fr 0.8fr 1fr; gap: 32px; }
}
@media (min-width: 1024px) {
 .collage {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.9fr);
  gap: 18px;
  align-items: stretch;
 }
 .card-lg { grid-column: 1; grid-row: 1 / span 2; display: flex; flex-direction: column; min-height: 100%; }
 .card-lg .screen { flex: 1; aspect-ratio: auto; min-height: 320px; border-radius: 0; }
 .side-stack { grid-column: 2; grid-row: 1 / span 2; display: flex; flex-direction: column; gap: 18px; }
 .side-stack .card:first-child { flex: 1.2; }
 .side-stack .card:last-child { flex: 0.8; }
 .ticks { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
 .ticks li { border-left: 0; border-top: 1px solid var(--brass); padding: 16px 12px 0 0; }
 .ticks li::before { left: 0; top: -4px; }
}
@media (max-width: 520px) {
 .brand-main { font-size: 1.28rem; }
 .card-sm { grid-template-columns: 1fr; }
 .steps li { grid-template-columns: 42px 1fr; }
 .btn { width: 100%; }
 .btn-row { flex-direction: column; }
 h1 { font-size: 1.72rem; }
}