:root {
  --or:    #e8621a;
  --or-d:  #b84b0f;
  --or-l:  #fef0e6;
  --or-m:  #f4a06a;
  --or-p:  #fff9f5;
  --ink:   #1a1208;
  --ink2:  #4a3018;
  --ink3:  #9a7050;
  --paper: #f8f4ef;
  --paper2:#f2ece4;
  --white: #fff;
  --border:rgba(100,55,10,.11);
  --bdr2:  rgba(100,55,10,.05);
  --sh:    0 2px 12px rgba(100,55,10,.09);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:"Noto Sans JP",sans-serif;background:var(--paper);color:var(--ink);font-size:14px;line-height:1.7;overflow-x:hidden;}
a{text-decoration:none;color:inherit;}

/* HEADER */
header{
  position:sticky;top:0;z-index:300;
  background:rgba(248,244,239,.96);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  padding:0 24px;height:52px;
  display:flex;align-items:center;gap:14px;
}
.nav-logo{display:flex;align-items:center;gap:8px;}
.logo-icon{width:32px;height:32px;background:var(--or);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:17px;}
.logo-name{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:900;font-size:16px;color:var(--or);}
.logo-ruby{font-size:9px;color:var(--ink3);display:block;line-height:1;}
.nav-links{display:flex;gap:2px;margin-left:auto;align-items:center;}
.nav-link{padding:5px 11px;font-size:12px;font-weight:500;color:var(--ink2);border-radius:6px;transition:.15s;}
.nav-link:hover{background:var(--or-l);color:var(--or);}
.nav-cta{padding:6px 14px;background:var(--or);color:#fff;border-radius:6px;font-size:12px;font-weight:700;transition:.2s;}
.nav-cta:hover{background:var(--or-d);}

/* SEARCH HERO */
.search-hero{
  background:var(--white);
  border-bottom:1px solid var(--border);
  padding:20px 24px;
}
.sh-inner{max-width:720px;margin:0 auto;}
.sh-label{font-size:12px;font-weight:700;color:var(--ink2);margin-bottom:8px;}
.sh-box{
  display:flex;align-items:center;gap:8px;
  background:var(--paper);border:2px solid var(--border);
  border-radius:10px;padding:10px 14px;transition:.2s;
}
.sh-box:focus-within{border-color:var(--or);box-shadow:0 0 0 3px rgba(232,98,26,.08);}
.sh-ico{font-size:17px;flex-shrink:0;}
.sh-box input{
  flex:1;border:none;background:transparent;
  font-family:"Noto Sans JP",sans-serif;font-size:14px;color:var(--ink);outline:none;
}
.sh-box input::placeholder{color:var(--ink3);}
.sh-clear{
  background:none;border:none;cursor:pointer;
  font-size:14px;color:var(--ink3);padding:2px 4px;
  border-radius:4px;transition:.15s;font-family:inherit;
}
.sh-clear:hover{background:var(--paper2);color:var(--ink);}

/* PAGE LAYOUT */
.page-layout{
  display:grid;
  grid-template-columns:200px 1fr;
  max-width:1120px;margin:0 auto;
  min-height:calc(100vh - 120px);
}

/* SIDE NAV */
.side-nav{
  position:sticky;top:52px;
  height:calc(100vh - 52px);overflow-y:auto;
  padding:20px 0;
  border-right:1px solid var(--border);
  background:var(--white);
  scrollbar-width:none;
}
.side-nav::-webkit-scrollbar{display:none;}
.sn-title{
  font-size:10px;font-weight:700;color:var(--ink3);
  letter-spacing:.1em;text-transform:uppercase;
  padding:0 16px 10px;
}
.sn-item{
  display:block;padding:9px 16px;
  font-size:12px;font-weight:500;color:var(--ink2);
  border-left:2px solid transparent;
  transition:.15s;cursor:pointer;
}
.sn-item:hover{background:var(--or-l);color:var(--or);}
.sn-item.active{
  background:var(--or-p);color:var(--or);
  border-left-color:var(--or);font-weight:700;
}

/* TROUBLE MAIN */
.trouble-main{padding:24px 28px 80px;}

/* TROUBLE GROUP */
.trouble-group{
  margin-bottom:48px;
  scroll-margin-top:64px;
}
.tg-head{
  display:flex;align-items:center;gap:10px;
  margin-bottom:16px;padding-bottom:10px;
  border-bottom:2px solid var(--border);
}
.tg-emoji{font-size:20px;flex-shrink:0;}
.tg-name{font-size:15px;font-weight:700;color:var(--ink);}

/* サブラベル */
.tg-sub-label{
  font-size:10px;font-weight:700;color:var(--ink3);
  letter-spacing:.08em;text-transform:uppercase;
  margin:16px 0 8px;padding-left:2px;
}

/* グリッド */
.tg-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:6px;
  margin-bottom:4px;
}

/* 困りごとカード */
.tc{
  display:flex;align-items:center;gap:10px;
  background:var(--white);
  border:1.5px solid var(--border);
  border-radius:10px;padding:11px 13px;
  transition:.15s;cursor:pointer;
}
.tc:hover{
  border-color:var(--or);
  box-shadow:var(--sh);
  transform:translateX(2px);
}
.tc:hover .tc-arr{color:var(--or);transform:translateX(2px);}

.tc-ico{
  font-size:18px;flex-shrink:0;
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  background:var(--or-p);border-radius:8px;
}
.tc-body{flex:1;min-width:0;}
.tc-title{font-size:12px;font-weight:700;color:var(--ink);line-height:1.35;margin-bottom:2px;}
.tc-hint {font-size:10px;color:var(--ink3);line-height:1.4;}
.tc-arr  {font-size:18px;color:var(--ink3);flex-shrink:0;transition:.15s;line-height:1;}

/* FOOTER */
footer{background:#130d06;color:rgba(255,255,255,.5);padding:40px 24px 20px;}
.footer-inner{max-width:1120px;margin:0 auto;}
.footer-top{display:grid;grid-template-columns:1.8fr 1fr 1fr;gap:40px;margin-bottom:32px;}
.foot-logo .logo-name{font-size:18px;margin-bottom:4px;display:block;}
.foot-desc{font-size:11px;line-height:1.9;color:rgba(255,255,255,.4);}
.foot-col h4{font-size:10px;font-weight:700;letter-spacing:.1em;color:rgba(255,255,255,.8);margin-bottom:10px;text-transform:uppercase;}
.foot-links{list-style:none;display:flex;flex-direction:column;gap:7px;}
.foot-links a{font-size:11px;color:rgba(255,255,255,.4);transition:.15s;}
.foot-links a:hover{color:var(--or-m);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:18px;display:flex;justify-content:space-between;align-items:center;}
.foot-copy{font-size:10px;color:rgba(255,255,255,.25);}
.foot-sns{display:flex;gap:10px;}
.foot-sns a{font-size:11px;color:rgba(255,255,255,.3);transition:.15s;}
.foot-sns a:hover{color:var(--or-m);}

/* RESPONSIVE */
@media(max-width:900px){
  .page-layout{grid-template-columns:1fr;}
  .side-nav{display:none;}
  .trouble-main{padding:16px 16px 60px;}
}
@media(max-width:640px){
  .search-hero{padding:16px;}
  .tg-grid{grid-template-columns:1fr;}
  header{padding:0 14px;}
  .nav-links .nav-link{display:none;}
  .footer-top{grid-template-columns:1fr;gap:20px;}
}

/* ============================================================
   中項目カード（mid-card）
   ============================================================ */
.mid-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 8px;
}

.mid-card {
  display: block;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  text-decoration: none;
  transition: .18s;
  cursor: pointer;
}
.mid-card:hover {
  border-color: var(--or);
  box-shadow: var(--sh);
  transform: translateY(-2px);
}
.mid-card:hover .mid-card-arrow { color: var(--or); transform: translateX(2px); }

.mid-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}
.mid-card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
}
.mid-card-arrow {
  font-size: 20px;
  color: var(--ink3);
  flex-shrink: 0;
  transition: .15s;
}

.mid-examples {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--bdr2);
  padding-top: 10px;
}
.mid-examples li {
  font-size: 11px;
  color: var(--ink3);
  display: flex;
  align-items: center;
  gap: 5px;
  line-height: 1.5;
}
.mid-examples li::before {
  content: "";
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--or-m);
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .mid-grid { grid-template-columns: 1fr; }
}