/* roulang page: index */
:root{
  --ink:#3F4F3A;
  --ink-hover:#313E2E;
  --wood:#C6A27A;
  --plum:#7C5A68;
  --paper:#F3EEE4;
  --card:#FBF7F0;
  --band:#EFE6D8;
  --text:#2A241C;
  --muted:#6E655A;
  --line:#E4D8C6;
  --shadow:0 8px 24px rgba(42,36,28,.08);
  --shadow-deep:0 12px 28px rgba(42,36,28,.12);
  --radius-nav:18px;
  --radius-card:12px;
  --radius-btn:10px;
  --max:1120px;
  --pad:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  text-rendering:optimizeLegibility;
}
img,svg,video{max-width:100%;display:block}
button,input,select{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:"Noto Serif SC",serif;font-weight:700;line-height:1.25;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:#E4D3BE;color:var(--text)}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.site-header{position:relative;z-index:40;padding:16px var(--pad) 0}
.nav-shell{
  width:min(var(--max),100%);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  min-height:72px;
  padding:10px 14px 10px 18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-nav);
  box-shadow:var(--shadow);
}
.site-header.is-stuck{
  position:fixed;
  top:0;left:0;right:0;
  padding:8px var(--pad);
  background:transparent;
}
.site-header.is-stuck .nav-shell{box-shadow:var(--shadow-deep)}
.logo{display:flex;align-items:baseline;gap:10px;min-width:0}
.logo-mark{
  width:34px;height:34px;flex:none;
  background:var(--wood);
  border-radius:6px;
  position:relative;
}
.logo-mark::after{
  content:"";
  position:absolute;left:7px;right:7px;top:8px;
  height:2px;background:var(--ink);
  box-shadow:0 6px 0 var(--ink),0 12px 0 var(--ink);
}
.logo-name{font-family:"Noto Serif SC",serif;font-size:18px;letter-spacing:.02em;white-space:nowrap}
.logo-side{color:var(--muted);font-size:12px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;
  padding:8px 12px;
  color:var(--text);
  font-size:15px;
  border-radius:8px;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ink)}
.nav-links a.active::after,
.nav-links a:hover::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:4px;
  height:2px;background:var(--ink);
}
.btn-main,.btn-line,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:42px;padding:0 16px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-main{
  background:var(--ink);color:#fff;border-bottom:2px solid transparent;
}
.btn-main:hover{background:var(--ink-hover);transform:translateY(-1px);border-bottom-color:var(--wood)}
.btn-main:active{transform:translateY(0)}
.btn-main:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-text{background:transparent;color:var(--ink);padding:0 4px;border-bottom:2px solid var(--wood);border-radius:0;min-height:auto}
.menu-toggle{
  display:none;
  margin-left:auto;
  background:transparent;
  border:1px solid var(--line);
  border-radius:10px;
  padding:8px 12px;
  cursor:pointer;
}
.menu-toggle:hover{border-color:var(--ink);color:var(--ink)}
.mobile-panel{
  display:none;
  width:min(var(--max),100%);
  margin:8px auto 0;
  padding:12px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow);
}
.mobile-panel a,.mobile-panel .btn-main{display:block;padding:12px;border-bottom:1px solid var(--line)}
.mobile-panel .btn-main{margin-top:8px;text-align:center;border-bottom:2px solid transparent}
.mobile-panel:not([hidden]){display:block}
main{position:relative}
main::before{
  content:"";
  position:absolute;
  left:40px;top:0;bottom:0;
  width:1px;
  background:var(--wood);
  opacity:.7;
  pointer-events:none;
}
.section{position:relative;padding:76px 0}
.section-b{background:var(--band)}
.kicker{display:flex;align-items:center;gap:8px;color:var(--plum);font-size:13px;letter-spacing:.08em}
.kicker i{width:18px;height:2px;background:var(--wood);display:inline-block}
.section-title{font-size:clamp(28px,3vw,40px);margin:8px 0 12px}
.section-lead{max-width:720px;color:var(--muted);font-size:16px}
.hero{padding:42px 0 72px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:36px;align-items:stretch}
.hero h1{font-size:clamp(34px,4.4vw,56px);max-width:14em}
.hero-sub{margin-top:12px;font-size:18px;color:var(--ink)}
.hero-copy{margin-top:16px;max-width:640px;color:var(--text)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.status-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.status-row span,.chip,.zone-no{
  display:inline-flex;align-items:center;
  border-radius:6px;
  padding:3px 8px;
  font-size:12px;
  line-height:1.6;
}
.status-row span,.chip{background:#F6F1E8;border:1px solid var(--line);color:var(--muted)}
.zone-no{background:var(--plum);color:#FBF7F0}
.note-sheet,.paper,.slip,.price-card,.faq-item,.spread,.cta-form,.anno{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
}
.note-sheet{padding:22px 22px 18px;position:relative;min-height:100%}
.note-sheet::before{
  content:"";
  position:absolute;left:0;top:0;bottom:0;width:8px;
  background:var(--ink);
  border-radius:12px 0 0 12px;
}
.page-no{position:absolute;right:16px;top:12px;color:var(--muted);font-size:12px}
.tape{
  width:72px;height:16px;background:var(--wood);
  border-radius:3px;margin-bottom:14px;opacity:.9;
}
.rule-list li{
  display:grid;
  grid-template-columns:52px 1fr auto;
  gap:10px;
  align-items:center;
  padding:11px 0;
  border-bottom:1px dashed var(--line);
}
.rule-list li:last-child{border-bottom:0}
.rule-list small{color:var(--muted)}
.zone-grid{display:grid;grid-template-columns:1.15fr .95fr .8fr;gap:18px;margin-top:28px;align-items:stretch}
.zone-tab{
  display:block;
  padding:22px 20px 18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:var(--shadow);
  min-height:180px;
  position:relative;
  transition:transform .2s ease,box-shadow .2s ease;
}
.zone-tab:hover{transform:translateY(-3px);box-shadow:var(--shadow-deep)}
.zone-tab .tape{position:absolute;top:-8px;left:18px}
.zone-tab h3{font-size:26px;margin:18px 0 8px}
.zone-tab p{color:var(--muted);font-size:14px}
.zone-tab em{font-style:normal;color:var(--ink);font-size:13px}
.bar-stack{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.bar{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:16px;
  align-items:center;
  padding:18px 20px;
  background:var(--card);
  border:1px solid var(--line);
  border-left:6px solid var(--ink);
  border-radius:12px;
  box-shadow:var(--shadow);
}
.bar:nth-child(1){width:100%}
.bar:nth-child(2){width:86%}
.bar:nth-child(3){width:72%}
.bar h3{font-size:22px}
.bar-points{display:flex;flex-wrap:wrap;gap:8px}
.timeline{margin-top:28px;display:flex;flex-direction:column;gap:16px;position:relative}
.timeline::before{
  content:"";
  position:absolute;left:14px;top:8px;bottom:8px;width:1px;background:var(--wood);
}
.scene{
  position:relative;
  margin-left:36px;
  padding:20px 22px;
  background:var(--card);
  border:1px solid var(--line);
  border-left:4px solid var(--ink);
  border-radius:12px;
  box-shadow:var(--shadow);
}
.scene::before{
  content:"";
  position:absolute;left:-30px;top:26px;
  width:11px;height:11px;border-radius:2px;background:var(--plum);
}
.scene:nth-child(1){width:100%}
.scene:nth-child(2){width:86%}
.scene:nth-child(3){width:72%}
.scene h3{font-size:22px;margin-bottom:6px}
.scene p{color:var(--muted)}
.spread{display:grid;grid-template-columns:280px 1fr;overflow:hidden;margin-top:26px}
.catalog{padding:22px;border-right:1px solid var(--line);background:#F7F2E9}
.catalog li{display:flex;justify-content:space-between;gap:8px;padding:12px 0;border-bottom:1px dashed var(--line)}
.stage-wrap{padding:22px}
.stage{
  position:relative;
  aspect-ratio:16/9;
  border-radius:12px;
  overflow:hidden;
  background:#E9DFD0;
  border:1px solid var(--line);
}
.blob{position:absolute;filter:blur(16px);opacity:.85}
.blob-a{width:46%;height:70%;left:8%;top:12%;background:#C6A27A}
.blob-b{width:40%;height:62%;right:10%;top:18%;background:#7C5A68;opacity:.35}
.blob-c{width:34%;height:40%;left:32%;bottom:8%;background:#3F4F3A;opacity:.28}
.play{
  position:absolute;inset:0;margin:auto;
  width:68px;height:68px;border-radius:12px;
  border:0;background:var(--ink);color:#fff;cursor:pointer;
  box-shadow:var(--shadow);
}
.play:hover{background:var(--ink-hover);transform:translateY(-1px)}
.play::before{
  content:"";
  display:block;margin:0 auto;
  border-style:solid;border-width:9px 0 9px 15px;
  border-color:transparent transparent transparent #fff;
}
.dots{display:flex;gap:14px;margin-top:14px;color:var(--muted);font-size:13px}
.dots button{
  width:10px;height:10px;border-radius:2px;border:0;background:var(--line);cursor:pointer;padding:0;
}
.dots button.on{background:var(--plum)}
.case-grid{margin-top:26px;display:grid;grid-template-columns:1.4fr .8fr;gap:18px;align-items:stretch}
.case-card{padding:24px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
.case-card.small{margin-top:36px;background:#F7F1E6}
.case-card h3{font-size:24px;margin:10px 0}
.case-card p{color:var(--muted)}
.price-grid{margin-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.price-card{padding:26px 24px;min-height:280px}
.price-card h3{font-size:30px;margin:8px 0 16px}
.price-card ul li{padding:8px 0;border-bottom:1px dashed var(--line)}
.price-card.solid{background:var(--ink);color:#F7F3EA;border-color:var(--ink)}
.price-card.solid ul li{border-bottom-color:rgba(243,238,228,.25)}
.price-card.solid .chip{background:transparent;color:#F7F3EA;border-color:var(--wood)}
.review-wall{margin-top:26px;display:grid;grid-template-columns:1.1fr .8fr 1fr;gap:16px}
.slip{padding:18px 16px 16px;position:relative}
.slip:nth-child(2){margin-top:28px}
.slip:nth-child(3){margin-top:10px}
.slip:nth-child(4){margin-top:-12px}
.slip:nth-child(5){margin-top:22px}
.slip .tape{width:48px;height:12px;margin-bottom:12px}
.slip p{font-size:16px}
.anno-wrap{margin-top:26px;display:grid;grid-template-columns:92px 1fr;gap:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--card);box-shadow:var(--shadow)}
.anno-side{background:#E7EFE2;border-right:1px solid var(--line);padding:18px 10px;color:var(--muted);font-size:13px}
.anno{border:0;border-radius:0;box-shadow:none;padding:22px 24px;border-bottom:1px dashed var(--line)}
.anno:last-child{border-bottom:0}
.anno .quote-no{font-family:"Noto Serif SC",serif;color:var(--plum);margin-bottom:6px}
.note-list{margin-top:22px;display:flex;flex-direction:column;border-top:1px solid var(--line)}
.note-row{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:16px;
  align-items:center;
  padding:16px 8px;
  border-bottom:1px solid var(--line);
}
.note-row:hover{background:rgba(198,162,122,.12)}
.note-row time{color:var(--muted);font-variant-numeric:tabular-nums}
.note-row strong{font-weight:500}
.topic-rail{margin-top:22px;display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory}
.topic-rail a{
  flex:0 0 240px;
  scroll-snap-align:start;
  padding:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:var(--shadow);
}
.topic-rail a:hover{transform:translateY(-2px);border-color:var(--wood)}
.topic-rail a span{display:block;color:var(--plum);font-size:12px;margin-bottom:6px}
.faq{margin-top:18px}
.faq-item{margin-top:10px;overflow:hidden}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  padding:16px 18px;
  font-family:"Noto Serif SC",serif;
  font-size:18px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"＋";float:right;color:var(--wood)}
.faq-item[open] summary::after{content:"－"}
.faq-item p{padding:0 18px 16px;color:var(--muted)}
.scale{margin-top:28px;padding:22px 8px 8px}
.scale-line{position:relative;height:2px;background:var(--ink);margin:28px 24px 18px}
.scale-line span{
  position:absolute;top:-6px;width:14px;height:14px;border-radius:2px;background:var(--plum);
}
.scale-line span:nth-child(1){left:0}
.scale-line span:nth-child(2){left:46%}
.scale-line span:nth-child(3){right:0}
.scale-labels{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.scale-labels div{padding:8px 12px}
.scale-labels strong{display:block;font-family:"Noto Serif SC",serif}
.scale-labels p{color:var(--muted);font-size:14px}
.cta-grid{display:grid;grid-template-columns:1fr .9fr;gap:28px;align-items:start}
.cta-form{padding:22px}
.field{margin-bottom:14px}
.field label{display:block;margin-bottom:6px;font-size:14px}
.field input,.field select{
  width:100%;
  background:#FBF7F0;
  border:1px solid var(--line);
  border-radius:10px;
  padding:12px 14px;
}
.field input:hover,.field select:hover{border-color:var(--wood)}
.form-note{min-height:1.5em;color:var(--ink);font-size:14px;margin-top:8px}
.site-footer{background:#E7E0D2;border-top:1px solid var(--line);padding:48px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.3fr .9fr .8fr;gap:24px}
.site-footer a{display:block;padding:4px 0;color:var(--text)}
.site-footer a:hover{color:var(--ink)}
.foot-title{font-family:"Noto Serif SC",serif;font-size:18px;margin-bottom:8px}
.age{color:var(--muted);font-size:14px;margin-top:8px}
.copy{margin-top:26px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
@media(max-width:1024px){
  .hero-grid,.spread,.case-grid,.price-grid,.cta-grid,.footer-grid,.zone-grid{grid-template-columns:1fr}
  .bar:nth-child(n),.scene:nth-child(n){width:100%}
  .case-card.small{margin-top:0}
  .review-wall{grid-template-columns:1fr 1fr}
  .nav-links .btn-main{display:none}
  main::before{left:16px}
}
@media(max-width:768px){
  .nav-links{display:none}
  .menu-toggle{display:inline-flex}
  .logo-side{display:none}
  .section{padding:56px 0}
  .hero{padding-top:28px}
  .bar,.note-row,.anno-wrap{grid-template-columns:1fr}
  .anno-side{border-right:0;border-bottom:1px solid var(--line)}
  .review-wall{grid-template-columns:1fr}
  .slip:nth-child(n){margin-top:0}
  .container{width:min(var(--max),calc(100% - 32px))}
  main::before{display:none}
}
@media(max-width:520px){
  .logo-name{font-size:15px}
  .hero-actions,.status-row{gap:8px}
  .btn-main,.btn-line{width:100%}
  .scale-labels{grid-template-columns:1fr}
  .site-header,.site-header.is-stuck{padding-left:12px;padding-right:12px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}

/* roulang page: category2 */
:root{
 --ink:#3F4F3A;
 --ink-hover:#313E2E;
 --wood:#C6A27A;
 --plum:#7C5A68;
 --paper:#F3EEE4;
 --card:#FBF7F0;
 --band:#EFE6D8;
 --text:#2A241C;
 --muted:#6E655A;
 --line:#E4D8C6;
 --shadow:0 8px 24px rgba(42,36,28,.08);
 --shadow-deep:0 12px 28px rgba(42,36,28,.12);
 --radius-nav:18px;
 --radius-card:12px;
 --radius-btn:10px;
 --max:1120px;
 --pad:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 background:var(--paper);
 color:var(--text);
 font-family:"Noto Sans SC",sans-serif;
 font-size:16px;
 line-height:1.75;
 text-rendering:optimizeLegibility;
}
img,svg,video{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:"Noto Serif SC",serif;font-weight:700;line-height:1.25;margin:0}
p{margin:0}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.site-header{position:relative;z-index:40;padding:16px var(--pad) 0}
.nav-shell{
 width:min(var(--max),100%);
 margin:0 auto;
 display:flex;
 align-items:center;
 gap:18px;
 min-height:72px;
 padding:10px 14px 10px 18px;
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--radius-nav);
 box-shadow:var(--shadow);
}
.site-header.is-stuck{
 position:fixed;
 top:0;left:0;right:0;
 padding:8px var(--pad);
 background:transparent;
}
.site-header.is-stuck .nav-shell{box-shadow:var(--shadow-deep)}
body.nav-fixed{padding-top:96px}
.logo{display:flex;align-items:baseline;gap:10px;min-width:0}
.logo-mark{
 width:34px;height:34px;flex:none;
 background:var(--wood);
 border-radius:6px;
 position:relative;
 align-self:center;
}
.logo-mark::after{
 content:"";
 position:absolute;left:7px;right:7px;top:8px;
 height:2px;background:var(--ink);
 box-shadow:0 6px 0 var(--ink),0 12px 0 var(--ink);
}
.logo-name{font-family:"Noto Serif SC",serif;font-size:18px;letter-spacing:.02em;white-space:nowrap}
.logo-side{color:var(--muted);font-size:12px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
 position:relative;
 padding:8px 12px;
 color:var(--text);
 font-size:15px;
 border-radius:8px;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ink)}
.nav-links a.active::after,
.nav-links a:hover::after{
 content:"";
 position:absolute;left:12px;right:12px;bottom:4px;
 height:2px;background:var(--ink);
}
.nav-links a.btn-main::after,
.nav-links a.btn-main:hover::after{display:none}
.btn-main,.btn-line,.btn-text{
 display:inline-flex;align-items:center;justify-content:center;
 min-height:42px;padding:0 16px;
 border-radius:var(--radius-btn);
 border:1px solid transparent;
 cursor:pointer;
 transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-main{
 background:var(--ink);color:#fff;border-bottom:2px solid transparent;
}
.btn-main:hover{background:var(--ink-hover);transform:translateY(-1px);border-bottom-color:var(--wood);color:#fff}
.btn-main:active{transform:translateY(0)}
.btn-main:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-text{
 background:transparent;color:var(--ink);padding:0 4px;
 border-bottom:2px solid var(--wood);border-radius:0;min-height:auto;
}
.btn-text:hover{color:var(--ink-hover);border-bottom-color:var(--ink)}
.menu-toggle{
 display:none;
 margin-left:auto;
 background:transparent;
 border:1px solid var(--line);
 border-radius:10px;
 padding:8px 12px;
 cursor:pointer;
}
.menu-toggle:hover{border-color:var(--ink);color:var(--ink)}
.mobile-panel{
 display:none;
 width:min(var(--max),100%);
 margin:8px auto 0;
 padding:12px;
 background:var(--card);
 border:1px solid var(--line);
 border-radius:16px;
 box-shadow:var(--shadow);
}
.mobile-panel a{display:block;padding:12px;border-bottom:1px solid var(--line)}
.mobile-panel a.active{color:var(--ink);box-shadow:inset 0 -2px 0 var(--ink)}
.mobile-panel .btn-main{margin-top:8px;text-align:center;border-bottom:2px solid transparent}
.mobile-panel:not([hidden]){display:block}
main{position:relative}
main::before{
 content:"";
 position:absolute;
 left:40px;top:0;bottom:0;
 width:1px;
 background:var(--wood);
 opacity:.7;
 pointer-events:none;
}
.section{position:relative;padding:76px 0}
.section-tight{padding:36px 0 64px}
.section-b{background:var(--band)}
.section-title{font-size:clamp(28px,3vw,40px);margin:8px 0 12px}
.section-lead{max-width:720px;color:var(--muted);font-size:16px}
.kicker{color:var(--plum);font-size:13px;letter-spacing:.12em}
.spread-page{
 display:grid;
 grid-template-columns:168px minmax(0,1fr);
 min-height:300px;
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--radius-card);
 box-shadow:var(--shadow);
 overflow:hidden;
}
.page-margin{
 border-right:1px solid var(--wood);
 background:#F6F1E8;
 padding:28px 18px;
 display:flex;
 flex-direction:column;
 justify-content:space-between;
 min-height:300px;
}
.page-num{
 font-family:"Noto Serif SC",serif;
 font-size:48px;
 color:var(--plum);
 line-height:1;
}
.margin-label{color:var(--muted);font-size:13px}
.page-face{
 padding:42px 40px 36px;
 display:flex;
 flex-direction:column;
 align-items:flex-end;
 text-align:right;
}
.page-face h1{font-size:clamp(36px,4.6vw,56px);max-width:12em}
.page-face .lead{margin-top:12px;color:var(--ink);font-size:18px}
.wood-rule{width:72px;height:2px;background:var(--wood);margin-top:18px}
.filter-line{
 display:flex;
 flex-wrap:wrap;
 gap:10px;
 align-items:center;
 margin-top:22px;
}
.state{
 display:inline-flex;
 align-items:center;
 min-height:36px;
 padding:0 14px;
 background:var(--card);
 border:1px solid var(--line);
 border-radius:6px;
 color:var(--muted);
 box-shadow:var(--shadow);
}
.state.on{color:var(--ink);border-bottom:2px solid var(--wood)}
.note-grid{
 display:grid;
 grid-template-columns:1fr 1fr;
 gap:22px;
 margin-top:8px;
}
.note-card{
 position:relative;
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--radius-card);
 box-shadow:var(--shadow);
 padding:34px 22px 20px;
 transition:box-shadow .2s ease,transform .2s ease;
}
.note-card:hover{box-shadow:var(--shadow-deep);transform:translateY(-2px)}
.zone-tab{
 position:absolute;
 top:0;left:18px;
 background:var(--plum);
 color:#FBF7F0;
 font-size:12px;
 padding:4px 10px 6px;
 border-radius:0 0 8px 8px;
}
.note-card h3{font-size:22px;margin:8px 0 10px}
.note-card p{color:var(--muted)}
.meta-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{
 display:inline-flex;align-items:center;
 border-radius:6px;
 padding:3px 8px;
 font-size:12px;
 line-height:1.6;
 background:#F6F1E8;
 border:1px solid var(--line);
 color:var(--muted);
}
.more-row{display:flex;justify-content:flex-start}
.compare-sheet{
 display:grid;
 grid-template-columns:180px minmax(0,1fr) minmax(0,1fr);
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--radius-card);
 box-shadow:var(--shadow);
 overflow:hidden;
}
.compare-sheet div{
 padding:16px 18px;
 border-bottom:1px dashed var(--line);
 border-right:1px solid var(--line);
}
.compare-sheet div:nth-child(3n){border-right:0}
.compare-head{font-family:"Noto Serif SC",serif;color:var(--ink);background:#F6F1E8}
.compare-label{color:var(--plum);font-size:14px}
.anno-layout{
 display:grid;
 grid-template-columns:120px minmax(0,1fr);
 gap:22px;
 align-items:start;
}
.anno-blank{
 min-height:180px;
 border-left:1px solid var(--wood);
 padding-left:14px;
 color:var(--muted);
 font-family:"Noto Serif SC",serif;
}
.anno-col{display:grid;gap:16px}
.anno{
 display:block;
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--radius-card);
 box-shadow:var(--shadow);
 padding:18px 20px 16px 22px;
 border-left:4px solid var(--wood);
 transition:transform .2s ease,box-shadow .2s ease;
}
.anno:hover{transform:translateY(-2px);box-shadow:var(--shadow-deep)}
.anno small{display:block;color:var(--plum);font-size:12px;letter-spacing:.08em}
.anno strong{display:block;margin:6px 0;font-family:"Noto Serif SC",serif;font-size:20px;font-weight:700}
.anno span{color:var(--muted)}
.faq-list{display:grid;gap:12px;max-width:820px}
.faq-item{
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--radius-card);
 box-shadow:var(--shadow);
 padding:0 18px;
}
.faq-item summary{
 list-style:none;
 cursor:pointer;
 min-height:58px;
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:12px;
 font-family:"Noto Serif SC",serif;
 font-size:18px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--wood);font-size:22px;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item p{color:var(--muted);padding:0 0 16px;max-width:40em}
.age-line{
 margin-top:18px;
 color:var(--ink);
 border-top:1px solid var(--line);
 padding-top:14px;
}
.site-footer{background:#E7DCCB;border-top:1px solid var(--line);padding:48px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:28px}
.site-footer .footer-grid > div > a{display:block;color:var(--muted);padding:4px 0}
.site-footer .footer-grid > div > a:hover{color:var(--ink)}
.foot-title{font-family:"Noto Serif SC",serif;color:var(--text);margin:0 0 8px}
.age{color:var(--muted);margin-top:12px;max-width:36em}
.copy{margin-top:28px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
@media (max-width:1024px){
 .nav-links{display:none}
 .menu-toggle{display:inline-flex;align-items:center}
 main::before{display:none}
 .compare-sheet{grid-template-columns:1fr}
 .compare-sheet div{border-right:0}
 .compare-sheet .compare-head:nth-child(1){display:none}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .spread-page,.anno-layout,.note-grid,.footer-grid{grid-template-columns:1fr}
 .page-margin{min-height:0;border-right:0;border-bottom:1px solid var(--wood);flex-direction:row;align-items:flex-end}
 .page-face{align-items:flex-start;text-align:left;padding:28px 20px}
 .anno-blank{min-height:0;border-left:0;border-bottom:1px solid var(--wood);padding:0 0 8px}
}
@media (max-width:520px){
 .container{width:calc(100% - 32px)}
 .site-header{padding-left:16px;padding-right:16px}
 .logo-name{font-size:15px}
 .logo-side{display:none}
 .page-face h1{font-size:32px}
 .note-card h3,.anno strong{font-size:18px}
 .nav-shell{min-height:64px;padding:8px 10px 8px 12px}
}

/* roulang page: category1 */
:root{
 --ink:#3F4F3A;
 --ink-hover:#313E2E;
 --wood:#C6A27A;
 --plum:#7C5A68;
 --paper:#F3EEE4;
 --card:#FBF7F0;
 --band:#EFE6D8;
 --text:#2A241C;
 --muted:#6E655A;
 --line:#E4D8C6;
 --shadow:0 8px 24px rgba(42,36,28,.08);
 --shadow-deep:0 12px 28px rgba(42,36,28,.12);
 --radius-nav:18px;
 --radius-card:12px;
 --radius-btn:10px;
 --max:1120px;
 --pad:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 background:var(--paper);
 color:var(--text);
 font-family:"Noto Sans SC",sans-serif;
 font-size:16px;
 line-height:1.75;
 text-rendering:optimizeLegibility;
}
img,svg,video{max-width:100%;display:block}
button,input,select,summary{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
h1,h2,h3,p,ul,ol{margin:0}
h1,h2,h3{font-family:"Noto Serif SC",serif;font-weight:700;line-height:1.25}
ul,ol{padding:0;list-style:none}
::selection{background:#E7D3BE;color:var(--text)}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.site-header{position:relative;z-index:40;padding:16px var(--pad) 0}
.nav-shell{
 width:min(var(--max),100%);
 margin:0 auto;
 display:flex;
 align-items:center;
 gap:18px;
 min-height:72px;
 padding:10px 14px 10px 18px;
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--radius-nav);
 box-shadow:var(--shadow);
}
.site-header.is-stuck{
 position:fixed;
 top:0;left:0;right:0;
 padding:8px var(--pad);
 background:transparent;
}
.site-header.is-stuck .nav-shell{box-shadow:var(--shadow-deep)}
.logo{display:flex;align-items:baseline;gap:10px;min-width:0}
.logo-mark{
 width:34px;height:34px;flex:none;
 background:var(--wood);
 border-radius:6px;
 position:relative;
 align-self:center;
}
.logo-mark::after{
 content:"";
 position:absolute;left:7px;right:7px;top:8px;
 height:2px;background:var(--ink);
 box-shadow:0 6px 0 var(--ink),0 12px 0 var(--ink);
}
.logo-name{font-family:"Noto Serif SC",serif;font-size:18px;letter-spacing:.02em;white-space:nowrap}
.logo-side{color:var(--muted);font-size:12px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
 position:relative;
 padding:8px 12px;
 color:var(--text);
 font-size:15px;
 border-radius:8px;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ink)}
.nav-links a.active::after,
.nav-links a:hover::after{
 content:"";
 position:absolute;left:12px;right:12px;bottom:4px;
 height:2px;background:var(--ink);
}
.nav-links a.btn-main,
.nav-links a.btn-main:hover{color:#fff}
.nav-links a.btn-main::after,
.nav-links a.btn-main:hover::after{display:none}
.btn-main,.btn-line,.btn-text{
 display:inline-flex;align-items:center;justify-content:center;
 min-height:42px;padding:0 16px;
 border-radius:var(--radius-btn);
 border:1px solid transparent;
 cursor:pointer;
 transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-main{
 background:var(--ink);color:#fff;border-bottom:2px solid transparent;
}
.btn-main:hover{background:var(--ink-hover);transform:translateY(-1px);border-bottom-color:var(--wood)}
.btn-main:active{transform:translateY(0)}
.btn-main:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-text{background:transparent;color:var(--ink);padding:0 4px;border-bottom:2px solid var(--wood);border-radius:0;min-height:auto}
.menu-toggle{
 display:none;
 margin-left:auto;
 background:var(--card);
 border:1px solid var(--line);
 border-radius:10px;
 padding:8px 12px;
 cursor:pointer;
}
.menu-toggle:hover{border-color:var(--ink);color:var(--ink)}
.mobile-panel{
 display:none;
 width:min(var(--max),100%);
 margin:8px auto 0;
 padding:12px;
 background:var(--card);
 border:1px solid var(--line);
 border-radius:16px;
 box-shadow:var(--shadow);
}
.mobile-panel a{display:block;padding:12px;border-bottom:1px solid var(--line);border-radius:8px}
.mobile-panel a.active{color:var(--ink);box-shadow:inset 0 -2px 0 var(--ink)}
.mobile-panel .btn-main{margin-top:8px;text-align:center;border-bottom:2px solid transparent;color:#fff}
.mobile-panel:not([hidden]){display:block}
main{position:relative}
main::before{
 content:"";
 position:absolute;
 left:40px;top:0;bottom:0;
 width:1px;
 background:var(--wood);
 opacity:.7;
 pointer-events:none;
}
.section{position:relative;padding:76px 0}
.section-b{background:var(--band)}
.section-tight{padding:8px 0 72px}
.section-title{font-size:clamp(28px,3vw,40px);margin:8px 0 12px}
.eyebrow{
 display:inline-flex;
 align-items:center;
 gap:8px;
 color:var(--plum);
 font-size:13px;
 letter-spacing:.08em;
}
.eyebrow::before{
 content:"";
 width:18px;height:8px;
 background:var(--wood);
 border-radius:2px;
 box-shadow:inset 0 -2px 0 rgba(42,36,28,.18);
}
.cat-head{padding:36px 0 28px}
.head-grid{display:grid;grid-template-columns:92px minmax(0,1fr);gap:18px;align-items:end}
.page-no{
 font-family:"Noto Serif SC",serif;
 font-size:42px;
 line-height:1;
 color:var(--plum);
 border-left:2px solid var(--wood);
 padding:8px 0 8px 12px;
}
.cat-head h1{font-size:clamp(32px,4vw,44px);max-width:12em}
.lead{margin-top:10px;color:var(--ink);font-size:18px}
.head-note{margin-top:12px;max-width:40em;color:var(--text)}
.scope-bar{
 display:flex;
 align-items:center;
 flex-wrap:wrap;
 gap:10px;
 padding:16px 18px;
 background:var(--card);
 border:1px solid var(--line);
 border-radius:12px;
 box-shadow:var(--shadow);
}
.scope-label{font-family:"Noto Serif SC",serif;margin-right:8px}
.chip,.zone-no{
 display:inline-flex;align-items:center;
 border-radius:6px;
 padding:3px 8px;
 font-size:12px;
 line-height:1.6;
}
.chip{background:#F6F1E8;border:1px solid var(--line);color:var(--muted)}
.zone-no{background:var(--plum);color:#FBF7F0;letter-spacing:.04em;justify-content:center;min-width:42px}
.sheet-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.sheet-list li{
 display:grid;
 grid-template-columns:64px minmax(0,1fr) auto;
 gap:16px;
 align-items:center;
 padding:18px 20px;
 background:var(--card);
 border:1px solid var(--line);
 border-radius:12px;
 box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease;
}
.sheet-list li:hover{transform:translateY(-1px);box-shadow:var(--shadow-deep)}
.sheet-list h3{font-size:20px}
.sheet-list p{color:var(--muted);font-size:14px;margin-top:4px}
.sheet-list time{color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.more-row{display:flex;justify-content:flex-start;padding-top:8px}
.narrow{max-width:760px}
.note-list{margin-top:18px;border-top:1px solid var(--line)}
.note-list li{
 display:grid;
 grid-template-columns:72px minmax(0,1fr);
 gap:12px;
 align-items:baseline;
 padding:14px 0;
 border-bottom:1px dashed var(--line);
}
.note-list time{color:var(--plum);font-variant-numeric:tabular-nums}
.note-list a{border-bottom:1px solid transparent}
.note-list a:hover{color:var(--ink);border-bottom-color:var(--wood)}
.notice-grid{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.notice-card{
 padding:22px 24px;
 background:var(--card);
 border:1px solid var(--line);
 border-left:3px solid var(--ink);
 border-radius:12px;
 box-shadow:var(--shadow);
}
.notice-card h3{font-size:22px;margin-bottom:8px}
.notice-card p{color:var(--text)}
.notice-card p + p{margin-top:8px;color:var(--muted)}
.faq-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;max-width:820px}
.faq-item{
 background:var(--card);
 border:1px solid var(--line);
 border-radius:12px;
 box-shadow:var(--shadow);
 padding:0 18px;
}
.faq-item summary{
 cursor:pointer;
 list-style:none;
 padding:16px 28px 16px 0;
 position:relative;
 font-family:"Noto Serif SC",serif;
 font-size:18px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";
 position:absolute;right:0;top:14px;
 color:var(--plum);
 font-size:22px;
}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 0 16px;color:var(--muted);max-width:46em}
.close-sec{padding:28px 0 64px}
.site-footer{
 border-top:1px solid var(--line);
 background:var(--band);
 padding:48px 0 24px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr .9fr .8fr;gap:28px}
.site-footer .logo-name{color:var(--text)}
.age{color:var(--muted);margin-top:12px;max-width:36em}
.foot-title{font-family:"Noto Serif SC",serif;margin:0 0 10px;color:var(--ink)}
.site-footer a{display:block;padding:4px 0;color:var(--text)}
.site-footer .logo{display:flex}
.site-footer a:hover{color:var(--ink)}
.copy{
 margin-top:28px;
 padding-top:16px;
 border-top:1px solid var(--line);
 color:var(--muted);
 font-size:13px;
}
@media (max-width:1024px){
 .head-grid{grid-template-columns:72px minmax(0,1fr)}
 .page-no{font-size:34px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .footer-grid > :first-child{grid-column:1 / -1}
}
@media (max-width:768px){
 .nav-links{display:none}
 .menu-toggle{display:inline-flex}
 .logo-side{display:none}
 main::before{display:none}
 .section{padding:56px 0}
 .cat-head{padding:28px 0 20px}
 .notice-grid,.footer-grid{grid-template-columns:1fr}
 .footer-grid > :first-child{grid-column:auto}
 .sheet-list li{grid-template-columns:52px minmax(0,1fr)}
 .sheet-list time{grid-column:2}
}
@media (max-width:520px){
 .container{width:min(var(--max),calc(100% - 32px))}
 .logo-name{white-space:normal;font-size:14px;line-height:1.35}
 .head-grid{grid-template-columns:1fr;gap:8px}
 .page-no{font-size:28px}
 .cat-head h1{font-size:30px}
 .sheet-list h3,.faq-item summary{font-size:17px}
 .nav-shell{min-height:64px;padding:8px 10px 8px 12px}
}