:root{
    --bg:#FBF9F4;
    --surface:#FFFFFF;
    --surface-alt:#F1EDE3;
    --text:#201C2B;
    --text-muted:#635E78;
    --accent:#2FAE66;
    --accent-ink:#FFFFFF;
    --accent-2:#2F5DE0;
    --accent-2-soft:#E8EDFC;
    --line:#E7E1D3;
    --kakao:#FEE500;
    --kakao-ink:#391B1B;
    --lg-tag:#E14B3B;
    --lg-tag-soft:#FCE9E6;
    --shadow: 0 18px 40px -22px rgba(32,28,43,0.28);
  }
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]){
      --bg:#16131F;
      --surface:#1F1B2C;
      --surface-alt:#272238;
      --text:#F3EFE7;
      --text-muted:#A9A3C2;
      --accent:#49CC82;
      --accent-ink:#0C2417;
      --accent-2:#7C97FF;
      --accent-2-soft:#23273F;
      --line:#35304A;
      --lg-tag:#FF7A68;
      --lg-tag-soft:#3A2220;
      --shadow: 0 20px 44px -20px rgba(0,0,0,0.55);
    }
  }
  :root[data-theme="dark"]{
    --bg:#16131F;
    --surface:#1F1B2C;
    --surface-alt:#272238;
    --text:#F3EFE7;
    --text-muted:#A9A3C2;
    --accent:#FF7C52;
    --accent-ink:#1A0E08;
    --accent-2:#7C97FF;
    --accent-2-soft:#23273F;
    --line:#35304A;
    --lg-tag:#FF7A68;
    --lg-tag-soft:#3A2220;
    --shadow: 0 20px 44px -20px rgba(0,0,0,0.55);
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  @media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} *{animation-duration:.001ms !important; transition-duration:.001ms !important;} }

  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Malgun Gothic', sans-serif;
    line-height:1.6;
    font-variant-numeric: tabular-nums;
  }
  h1,h2,h3{ font-family:'Do Hyeon','Noto Sans KR',sans-serif; font-weight:400; letter-spacing:.01em; text-wrap:balance; margin:0; }
  p{ margin:0; }
  a{ color:inherit; }
  ul{ margin:0; padding:0; list-style:none; }
  img,svg{ display:block; max-width:100%; }
  button{ font:inherit; color:inherit; }

  .wrap{ max-width:1120px; margin:0 auto; padding-inline:24px; }

  /* ---------- header ---------- */
  .site-header{
    position:sticky; top:0; z-index:50;
    background:color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(10px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    max-width:1120px; margin:0 auto; padding:18px 24px;
    display:flex; align-items:center; gap:16px;
  }
  .brand{
    font-family:'Do Hyeon',sans-serif; font-size:1.5rem; text-decoration:none;
    color:var(--text); white-space:nowrap; flex-shrink:0;
  }
  .brand-dot{ color:var(--accent); }
  .nav{ display:flex; gap:26px; margin-left:36px; }
  .nav a{
    text-decoration:none; color:var(--text); font-size:.98rem; font-weight:700;
    padding:9px 1px; white-space:nowrap; position:relative; transition:color .15s;
  }
  .nav a::after{
    content:""; position:absolute; left:6px; right:6px; bottom:2px; height:2px;
    background:var(--accent-2); transform:scaleX(0); transition:transform .15s ease;
  }
  .nav a:hover, .nav a:focus-visible{ color:var(--accent-2); }
  .nav a:hover::after, .nav a:focus-visible::after{ transform:scaleX(1); }
  .nav a.active{ color:var(--accent-2); }
  .nav a.active::after{ transform:scaleX(1); }

  .header-cta{ display:flex; gap:10px; flex-shrink:0; margin-left:auto; }
  .header-cta .btn{ padding:12px 20px; font-size:.98rem; }
  .btn{
    display:inline-flex; align-items:center; gap:6px; justify-content:center;
    font-weight:700; font-size:.9rem; text-decoration:none; cursor:pointer;
    border-radius:999px; padding:10px 16px; border:1px solid transparent;
    white-space:nowrap; transition:transform .12s ease, box-shadow .12s ease, filter .12s ease;
  }
  .btn:active{ transform:scale(.97); }
  .btn:focus-visible{ outline:2px solid var(--accent-2); outline-offset:2px; }
  .btn-kakao{ background:var(--kakao); color:var(--kakao-ink); }
  .btn-kakao:hover{ filter:brightness(.96); }
  .btn-call{ background:var(--accent-2); color:#fff; }
  .btn-call:hover{ filter:brightness(1.08); }
  .btn-primary{ background:var(--accent); color:var(--accent-ink); padding:13px 22px; font-size:.98rem; }
  .btn-primary:hover{ box-shadow:var(--shadow); }
  .btn-ghost{ background:transparent; border-color:var(--line); color:var(--text); padding:13px 22px; font-size:.98rem; }
  .btn-ghost:hover{ background:var(--surface-alt); }
  .btn-block{ width:100%; padding:15px; font-size:1rem; }
  .icon{ width:16px; height:16px; flex-shrink:0; }

  .nav-toggle{
    display:none; background:none; border:1px solid var(--line); border-radius:10px;
    width:40px; height:40px; align-items:center; justify-content:center; flex-shrink:0; cursor:pointer;
  }
  .nav-toggle svg{ width:20px; height:20px; }
  .nav-mobile{ display:none; }

  @media (max-width: 1080px){
    .nav{ display:none; }
    .header-cta{ display:none; }
    .nav-toggle{ display:flex; margin-left:auto; }
    .nav-mobile.open{
      display:flex; flex-direction:column; gap:2px; padding:10px 16px 16px;
      border-top:1px solid var(--line); background:var(--bg);
    }
    .nav-mobile a{
      text-decoration:none; color:var(--text); font-weight:500; padding:12px 6px;
      border-bottom:1px solid var(--line);
    }
    .nav-mobile .mobile-cta{ display:flex; gap:8px; padding-top:12px; border-bottom:none; }
    .nav-mobile .mobile-cta .btn{ flex:1; }
  }

  /* ---------- sections ---------- */
  .section{ padding:88px 0; scroll-margin-top:86px; }
  .section-alt{ background:var(--surface-alt); }
  .eyebrow{
    display:inline-block; font-size:1rem; font-weight:900; color:var(--accent-2);
    background:var(--accent-2-soft); padding:9px 20px; border-radius:999px; letter-spacing:.02em;
    margin-bottom:18px;
  }
  .section-head{ max-width:640px; margin:0 auto 48px; text-align:center; }
  .section-head h2{ font-size:clamp(1.6rem, 3vw, 2.2rem); margin-bottom:12px; }
  .section-head p{ color:var(--text-muted); font-size:1.02rem; max-width:60ch; margin-inline:auto; }

  /* ---------- hero ---------- */
  .hero{ scroll-margin-top:86px; padding:64px 0 88px; }
  .hero .wrap{ display:grid; grid-template-columns:1.4fr .6fr; gap:56px; align-items:center; }
  .hero-copy h1{ font-size:clamp(2.4rem, 5.2vw, 4rem); line-height:1.18; margin-bottom:24px; }
  .hero-copy .lede{ font-size:1.2rem; color:var(--text-muted); max-width:52ch; margin-bottom:36px; }
  .hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:36px; }
  .hero-actions .btn{ padding:16px 28px; font-size:1.05rem; }
  .badges{ display:flex; gap:12px; flex-wrap:wrap; }
  .badge{
    font-size:.92rem; font-weight:500; color:var(--text-muted); background:var(--surface);
    border:1px solid var(--line); padding:9px 16px; border-radius:999px; display:inline-flex; align-items:center; gap:7px;
  }
  .badge .dot{ width:6px; height:6px; border-radius:50%; background:var(--accent); flex-shrink:0; }

  .hero-art{ position:relative; }
  .hero-art svg{ width:100%; height:auto; }

  @media (max-width: 880px){
    .hero .wrap{ grid-template-columns:1fr; }
    .hero-art{ order:-1; max-width:280px; margin:0 auto; }
  }

  /* ---------- shared notice box ---------- */
  .notice-box{
    color:var(--text); font-size:.94rem; font-weight:700; line-height:1.9;
    background:var(--accent-2-soft); border-radius:14px; padding:16px 20px; margin-bottom:20px;
  }
  .notice-box strong{ color:var(--accent-2); }

  /* ---------- self-activation steps ---------- */
  .self-kakao{ display:inline-flex; margin-bottom:40px; }
  .self-steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
  .self-step{
    background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:24px;
    display:grid; gap:12px; align-content:start;
  }
  .self-step-badge{
    justify-self:start; background:var(--accent); color:var(--accent-ink); font-weight:900;
    font-size:.76rem; letter-spacing:.03em; padding:5px 14px; border-radius:999px;
  }
  .self-step h3{ font-size:1.05rem; font-weight:800; font-family:'Noto Sans KR',sans-serif; }
  .self-step p{ color:var(--text-muted); font-size:.9rem; line-height:1.6; }
  .self-step-warn{
    font-size:.82rem; font-weight:700; color:var(--accent-2); background:var(--accent-2-soft);
    padding:10px 12px; border-radius:10px; line-height:1.7;
  }
  .self-step-imgs{ display:flex; gap:10px; }
  .self-step-imgs img{
    flex:1; width:0; min-width:0; border-radius:12px; border:1px solid var(--line); background:var(--surface-alt);
  }
  .self-step-img{ border-radius:12px; border:1px solid var(--line); overflow:hidden; }
  .self-step-img img{ width:100%; display:block; }
  .self-step-link{ font-weight:700; color:var(--accent-2); font-size:.86rem; text-decoration:none; }
  .self-step-link:hover{ text-decoration:underline; }
  @media (max-width: 980px){ .self-steps{ grid-template-columns:1fr 1fr; } }
  @media (max-width: 640px){ .self-steps{ grid-template-columns:1fr; } }

  /* ---------- usim purchase ---------- */
  .usim-inquiry-btn{ display:inline-flex; margin-bottom:8px; width:auto; }

  .usim-cards{ display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-top:40px; }
  .usim-card{
    background:var(--surface); border:1px solid var(--line); border-radius:22px;
    padding:28px 26px 26px; display:grid; gap:16px; justify-items:center; text-align:center;
  }
  .usim-net-badge{
    font-size:.78rem; font-weight:700; padding:5px 14px; border-radius:999px; justify-self:start;
  }
  .usim-net-kt{ color:var(--accent-2); background:var(--accent-2-soft); }
  .usim-net-lg{ color:var(--lg-tag); background:var(--lg-tag-soft); }
  .usim-card-title{ font-family:'Noto Sans KR',sans-serif; font-weight:900; font-size:1.15rem; justify-self:start; }
  .usim-card-img{ width:100%; max-width:180px; }
  .usim-card-img svg{ width:100%; height:auto; }
  .usim-card-desc{ color:var(--text-muted); font-size:.88rem; line-height:1.6; }
  .usim-card-nfc{ display:block; margin-top:6px; font-weight:700; color:var(--text); }
  .usim-buy-box{
    width:100%; background:var(--surface-alt); border-radius:16px; padding:18px 20px;
    display:grid; gap:12px; text-align:left;
  }
  .usim-buy-label{ font-weight:900; font-size:1.15rem; color:var(--text); font-family:'Noto Sans KR',sans-serif; }
  .usim-buy-btn{
    display:block; text-align:center; text-decoration:none; font-weight:700; font-size:.92rem;
    background:var(--accent); color:var(--accent-ink); border-radius:999px; padding:12px; margin-top:2px;
    transition:filter .12s ease;
  }
  .usim-buy-btn:hover{ filter:brightness(1.06); }
  .usim-offline{ width:100%; display:grid; gap:10px; text-align:left; }
  .usim-offline-label{ font-weight:700; font-size:.86rem; color:var(--text); }
  .usim-offline-tags{ display:flex; flex-wrap:wrap; gap:8px; }
  .usim-offline-tags span{
    font-size:.8rem; color:var(--text-muted); background:var(--surface-alt); border:1px solid var(--line);
    padding:5px 12px; border-radius:999px;
  }
  .usim-footer-note{ text-align:center; margin-top:28px; color:var(--text-muted); font-size:.94rem; }
  .usim-footer-link{ color:var(--accent); font-weight:700; text-decoration:none; }
  .usim-footer-link:hover{ text-decoration:underline; }
  @media (max-width: 880px){ .usim-cards{ grid-template-columns:1fr; } }

  /* ---------- reservation ---------- */
  .reserve-checklist{
    background:var(--surface); border:1px solid var(--line); border-radius:16px;
    padding:20px 24px; max-width:520px; margin-inline:auto;
  }
  .reserve-checklist h3{ font-family:'Noto Sans KR',sans-serif; font-weight:800; font-size:1rem; margin-bottom:12px; }
  .reserve-checklist ul{ display:grid; gap:9px; justify-items:start; width:max-content; max-width:100%; margin-inline:auto; }
  .reserve-checklist li{ font-size:.92rem; color:var(--text-muted); display:flex; align-items:center; gap:9px; }
  .reserve-checklist li::before{ content:"✓"; color:var(--accent); font-weight:900; flex-shrink:0; }
  .field{ display:grid; gap:6px; max-width:520px; margin-inline:auto; width:100%; }
  .field label{ font-size:.86rem; font-weight:700; color:var(--text); }
  .field .opt{ color:var(--text-muted); font-weight:500; }
  .field-hint{ font-size:.8rem; color:var(--text-muted); line-height:1.6; margin:-2px 0 2px; }
  .field input, .field textarea{
    font:inherit; padding:12px 14px; border-radius:12px; border:1px solid var(--line);
    background:var(--bg); color:var(--text); resize:vertical;
  }
  .field input:focus-visible, .field textarea:focus-visible{ outline:2px solid var(--accent-2); outline-offset:1px; }
  .form-note{ font-size:.82rem; color:var(--text-muted); }

  /* ---------- pricing ---------- */
  .plans{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
  .plan{
    background:var(--surface); border:1px solid var(--line); border-radius:22px; padding:30px 26px;
    display:flex; flex-direction:column; gap:18px; position:relative;
  }
  .plan.featured{ border-color:var(--accent); box-shadow:var(--shadow); }
  .plan-badge{
    position:absolute; top:-13px; left:26px; background:var(--accent); color:var(--accent-ink);
    font-size:.76rem; font-weight:700; padding:5px 12px; border-radius:999px;
  }
  .plan-name{ font-size:1.1rem; font-weight:700; }
  .plan-price{ font-family:'Do Hyeon',sans-serif; font-size:2.2rem; color:var(--text); }
  .plan-price span{ font-family:'Noto Sans KR',sans-serif; font-size:.95rem; font-weight:500; color:var(--text-muted); }
  .plan-feats{ display:grid; gap:10px; flex:1; }
  .plan-feats li{ display:flex; gap:8px; font-size:.92rem; color:var(--text-muted); align-items:flex-start; }
  .plan-feats svg{ width:16px; height:16px; color:var(--accent-2); flex-shrink:0; margin-top:3px; }
  .plans-note{ margin-top:24px; font-size:.84rem; color:var(--text-muted); }

  @media (max-width: 880px){ .plans{ grid-template-columns:1fr; } }

  .carrier-select{ display:grid; grid-template-columns:1fr 1fr; gap:22px; margin:40px 0 56px; }
  .carrier-card{
    display:block; text-decoration:none; background:var(--surface); border:1px solid var(--line);
    border-radius:22px; padding:30px 26px; text-align:left; transition:box-shadow .15s ease, border-color .15s ease;
  }
  .carrier-card:hover{ box-shadow:var(--shadow); border-color:var(--accent-2); }
  .carrier-card.is-selected{ border:2px solid var(--accent-2); padding:29px 25px; box-shadow:var(--shadow); }
  .carrier-card[href="#pricing-lg"].is-selected{ border-color:var(--lg-tag); }
  .carrier-badge{ display:inline-block; font-size:.78rem; font-weight:700; padding:5px 14px; border-radius:999px; margin-bottom:14px; }
  .carrier-badge-kt{ color:var(--accent-2); background:var(--accent-2-soft); }
  .carrier-badge-lg{ color:var(--lg-tag); background:var(--lg-tag-soft); }
  .carrier-card h3{ font-family:'Noto Sans KR',sans-serif; font-weight:900; font-size:1.2rem; margin-bottom:8px; color:var(--text); }
  .carrier-card p{ color:var(--text-muted); font-size:.9rem; line-height:1.6; }
  .carrier-card-hint{
    margin-top:12px; font-size:.88rem; font-weight:700; color:var(--accent-2) !important;
    background:var(--accent-2-soft); padding:10px 13px; border-radius:10px;
  }
  @media (max-width: 640px){ .carrier-select{ grid-template-columns:1fr; } }

  .carrier-panel{ scroll-margin-top:86px; padding-top:40px; border-top:1px solid var(--line); }
  .carrier-panel + .carrier-panel{ margin-top:40px; }
  .carrier-panel-title{ font-family:'Noto Sans KR',sans-serif; font-weight:900; font-size:1.3rem; margin-bottom:22px; }
  .plan-tabs{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:24px; }
  .plan-tab{
    padding:12px 18px; border-radius:999px; border:1px solid var(--line); background:var(--surface);
    color:var(--text-muted); font-weight:700; font-size:.9rem; cursor:pointer; transition:background .15s, color .15s, border-color .15s;
  }
  .plan-tab.active{ background:var(--accent-2); border-color:var(--accent-2); color:#fff; }
  .plan-tab-panel{ scroll-margin-top:86px; }
  .plan-placeholder{
    background:var(--surface-alt); border-radius:16px; padding:44px 24px; text-align:center;
    color:var(--text-muted); font-size:.95rem;
  }
  .plan-overage{ margin-top:36px; padding-top:28px; border-top:1px solid var(--line); }
  .plan-overage h4{ font-family:'Noto Sans KR',sans-serif; font-weight:800; font-size:1.02rem; margin-bottom:14px; }
  .plan-overage h5{ font-family:'Noto Sans KR',sans-serif; font-weight:800; font-size:.94rem; margin:18px 0 8px; }
  .plan-overage-table-wrap{ overflow-x:auto; margin-bottom:16px; border:1px solid var(--line); border-radius:12px; }
  .plan-overage-table{ width:100%; border-collapse:collapse; min-width:560px; font-size:.88rem; }
  .plan-overage-table th{
    background:var(--surface-alt); font-weight:700; padding:12px 14px; text-align:center; border-bottom:1px solid var(--line);
  }
  .plan-overage-table td{
    padding:14px; text-align:center; border-bottom:1px solid var(--line); color:var(--accent-2);
    font-weight:700; font-variant-numeric:tabular-nums;
  }
  .plan-overage-note{ font-size:.86rem; font-weight:700; color:var(--text); margin-bottom:14px; }
  .plan-overage-list{ display:grid; gap:8px; margin-bottom:6px; }
  .plan-overage-list li{ font-size:.84rem; color:var(--text-muted); line-height:1.7; }
  .plan-overage-footnote{ font-size:.82rem; color:var(--text-muted); margin-top:12px; }

  .btn-blue{ background:var(--accent-2); color:#fff; }
  .btn-blue:hover{ filter:brightness(1.08); }
  .btn:disabled{ opacity:.4; cursor:not-allowed; filter:none !important; box-shadow:none !important; transform:none !important; }

  .rate-grid{ display:grid; grid-template-columns:repeat(auto-fill, minmax(320px, 1fr)); gap:20px; align-items:stretch; }
  .rate-card{
    background:var(--surface); border:1px solid var(--line); border-radius:20px; padding:28px 26px;
    display:flex; flex-direction:column; gap:16px; height:100%;
  }
  .rate-card-badge{
    align-self:flex-start; font-size:.85rem; font-weight:700; color:var(--accent-2); background:var(--accent-2-soft);
    padding:6px 15px; border-radius:999px;
  }
  .rate-card-badge-lg{ color:var(--lg-tag); background:var(--lg-tag-soft); }
  .rate-card-title{ font-family:'Noto Sans KR',sans-serif; font-weight:900; font-size:1.3rem; line-height:1.35; }
  .rate-card-specs{ display:grid; gap:12px; }
  .rate-card-row{ display:grid; grid-template-columns:72px 1fr; gap:14px; align-items:start; }
  .rate-card-row dt{ font-size:.9rem; color:var(--text-muted); font-weight:700; }
  .rate-card-row dd{ margin:0; font-size:.95rem; color:var(--text); line-height:1.55; }
  .rate-card-note{
    font-size:.85rem; font-weight:700; color:var(--lg-tag); background:var(--lg-tag-soft);
    padding:10px 13px; border-radius:10px; line-height:1.5; margin-top:auto;
  }
  .rate-card-price{
    text-align:right; font-weight:900; font-size:1.75rem; color:var(--accent-2);
    margin:0; padding-top:6px;
  }
  .rate-card-specs + .rate-card-price{ margin-top:auto; }
  .rate-card-note + .rate-card-price{ margin-top:0; }
  .rate-card-price-sm{ font-size:1.05rem; line-height:1.5; text-align:right; }
  .rate-card-subprice{ text-align:right; font-size:.95rem; font-weight:700; color:var(--text-muted); margin:-8px 0 0; }
  .rate-card-price span{ font-weight:700; font-size:1.05rem; }
  .rate-card .btn-block{ padding:16px; font-size:1.05rem; }

  /* ---------- store list ---------- */
  .store-regions{ display:grid; gap:10px; max-width:760px; margin:40px auto 0; }
  .store-region{ background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:4px 22px; }
  .store-region summary{
    cursor:pointer; list-style:none; padding:16px 0; display:flex; align-items:center; gap:12px;
  }
  .store-region summary::-webkit-details-marker{ display:none; }
  .store-region-name{ font-weight:800; font-size:1.02rem; }
  .store-region-count{ color:var(--text-muted); font-size:.88rem; margin-right:auto; }
  .store-plus{ width:20px; height:20px; color:var(--accent-2); transition:transform .2s ease; flex-shrink:0; }
  .store-region[open] .store-plus{ transform:rotate(45deg); }
  .store-list{ display:grid; gap:10px; padding:4px 0 18px; }
  .store-item{
    display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
    padding:12px 16px; background:var(--surface-alt); border-radius:12px;
  }
  .store-item-info{ display:grid; gap:3px; }
  .store-item-name{ font-weight:700; font-size:.94rem; }
  .store-item-loc{ font-size:.82rem; color:var(--text-muted); }
  .store-item .btn{ padding:9px 16px; font-size:.84rem; }

  /* ---------- store reservation modal ---------- */
  .modal-panel-wide{ max-width:600px; }
  .network-toggle{ display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-bottom:18px; }
  .network-btn{
    padding:13px; border-radius:12px; border:1px solid var(--line); background:var(--surface);
    color:var(--text-muted); font-weight:800; font-size:.98rem; cursor:pointer;
  }
  .network-btn.active{ background:var(--accent-2); border-color:var(--accent-2); color:#fff; }
  .plan-options{ display:grid; gap:10px; margin-bottom:20px; }
  .plan-option{ display:block; cursor:pointer; }
  .plan-option input{ position:absolute; opacity:0; width:0; height:0; }
  .plan-option-body{
    display:block; border:1.5px solid var(--line); border-radius:14px; padding:14px 16px; transition:border-color .12s, background .12s;
  }
  .plan-option input:checked + .plan-option-body{ border-color:var(--accent-2); background:var(--accent-2-soft); }
  .plan-option-top{ display:flex; align-items:baseline; justify-content:space-between; gap:10px; margin-bottom:4px; }
  .plan-option-name{ font-weight:800; font-size:1rem; }
  .plan-option-price{ font-weight:900; font-size:1.05rem; color:var(--accent-2); white-space:nowrap; }
  .plan-option-price span{ font-weight:500; font-size:.78rem; color:var(--text-muted); }
  .plan-option-desc{ display:block; font-size:.8rem; color:var(--text-muted); line-height:1.5; }

  /* ---------- FAQ ---------- */
  .faq-tab-group{ max-width:860px; margin:0 auto; }
  .faq-tabs{ justify-content:center; margin-bottom:28px; }
  .faq-list{ display:grid; gap:12px; max-width:760px; margin-inline:auto; }
  details.faq-item{
    background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:6px 22px;
  }
  details.faq-item summary{
    cursor:pointer; list-style:none; padding:16px 0; font-weight:700; font-size:1rem;
    display:flex; align-items:center; justify-content:space-between; gap:16px;
  }
  details.faq-item summary::-webkit-details-marker{ display:none; }
  .faq-plus{ width:20px; height:20px; flex-shrink:0; color:var(--accent-2); transition:transform .2s ease; }
  details.faq-item[open] .faq-plus{ transform:rotate(45deg); }
  .faq-a{ padding:0 0 18px; color:var(--text-muted); font-size:.94rem; max-width:64ch; }

  .faq-cta{
    max-width:860px; margin:48px auto 0; border-radius:24px; padding:48px 32px; text-align:center;
    background:linear-gradient(135deg, #1E6B57 0%, #2FAE66 100%);
  }
  .faq-cta h3{
    font-family:'Noto Sans KR',sans-serif; font-weight:900; font-size:1.35rem;
    color:#fff; margin-bottom:10px;
  }
  .faq-cta p{ color:rgba(255,255,255,.85); font-size:1rem; margin-bottom:28px; }
  .faq-cta-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
  .faq-cta-btn{
    flex:0 1 240px; min-width:210px; text-align:center; text-decoration:none;
    padding:17px 20px; border-radius:999px; font-weight:800; font-size:1.02rem;
    transition:filter .12s ease, transform .12s ease;
  }
  .faq-cta-btn:hover{ filter:brightness(.95); }
  .faq-cta-btn:active{ transform:scale(.98); }
  .faq-cta-btn-white{ background:#fff; color:#1E6B57; }
  .faq-cta-btn-kakao{ background:var(--kakao); color:var(--kakao-ink); }

  .coming-soon{
    max-width:560px; margin:0 auto; background:var(--surface); border:1px solid var(--line);
    border-radius:20px; padding:56px 32px; text-align:center;
  }
  .coming-soon h3{ font-family:'Noto Sans KR',sans-serif; font-weight:900; font-size:1.3rem; margin-bottom:10px; }
  .coming-soon p{ color:var(--text-muted); font-size:1rem; }

  /* ---------- blog ---------- */
  .blog-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
  details.blog-card{
    background:var(--surface); border:1px solid var(--line); border-radius:18px; overflow:hidden;
  }
  details.blog-card summary{
    list-style:none; cursor:pointer; padding:24px; display:flex; flex-direction:column; gap:10px;
  }
  details.blog-card summary::-webkit-details-marker{ display:none; }
  .blog-date{ font-size:.78rem; color:var(--accent-2); font-weight:700; letter-spacing:.02em; }
  .blog-title{ font-size:1.05rem; font-weight:700; line-height:1.4; }
  .blog-excerpt{ font-size:.88rem; color:var(--text-muted); }
  .blog-more{ font-size:.82rem; font-weight:700; color:var(--accent-2); display:flex; align-items:center; gap:4px; }
  details.blog-card[open] .blog-more{ display:none; }
  .blog-body{ padding:0 24px 24px; font-size:.9rem; color:var(--text-muted); border-top:1px solid var(--line); padding-top:16px; display:grid; gap:10px; }
  @media (max-width: 880px){ .blog-grid{ grid-template-columns:1fr; } }

  /* ---------- footer ---------- */
  footer{ background:var(--surface-alt); border-top:1px solid var(--line); padding:48px 0 28px; }
  .footer-top{ display:flex; justify-content:space-between; gap:32px; flex-wrap:wrap; margin-bottom:32px; }
  .footer-brand .brand{ display:block; margin-bottom:10px; }
  .footer-brand p{ color:var(--text-muted); font-size:.9rem; max-width:32ch; }
  .footer-links{ display:flex; gap:48px; flex-wrap:wrap; }
  .footer-col h4{ font-size:.82rem; color:var(--text-muted); font-weight:700; letter-spacing:.02em; margin-bottom:12px; }
  .footer-col a{ display:block; text-decoration:none; color:var(--text); font-size:.9rem; padding:5px 0; }
  .footer-bottom{ border-top:1px solid var(--line); padding-top:20px; font-size:.82rem; color:var(--text-muted); }

  /* ---------- activation modal ---------- */
  .modal-overlay{
    position:fixed; inset:0; background:rgba(20,17,30,.5); z-index:200;
    display:flex; align-items:center; justify-content:center; padding:20px;
  }
  .modal-panel{
    background:var(--surface); border-radius:24px; padding:36px 28px 28px;
    max-width:440px; width:100%; max-height:90vh; overflow-y:auto;
    box-shadow:0 30px 60px -20px rgba(0,0,0,.4); position:relative;
  }
  .modal-close-x{
    position:absolute; top:14px; right:14px; width:32px; height:32px; border-radius:50%;
    border:none; background:var(--surface-alt); color:var(--text-muted); font-size:1.3rem;
    line-height:1; cursor:pointer; display:flex; align-items:center; justify-content:center;
  }
  .modal-close-x:hover{ background:var(--line); }
  .modal-title{
    font-family:'Noto Sans KR',sans-serif; font-weight:900; font-size:1.4rem;
    text-align:center; line-height:1.4; margin-bottom:16px; color:var(--text);
  }
  .modal-sub{ text-align:center; color:var(--text-muted); font-size:.92rem; line-height:1.7; margin-bottom:22px; }
  .modal-info{ background:var(--accent-2-soft); border-radius:14px; padding:18px 20px; margin-bottom:22px; display:grid; gap:8px; }
  .modal-info-head{ font-weight:700; color:var(--accent-2); font-size:.95rem; margin-bottom:2px; }
  .modal-info-line{ font-size:.88rem; color:var(--text); line-height:1.6; }
  .modal-info-line strong{ color:var(--accent-2); }
  .modal-actions{ display:grid; gap:10px; margin-bottom:16px; }
  .modal-btn{
    display:block; text-decoration:none; text-align:center; padding:15px; border-radius:12px;
    font-weight:700; font-size:.94rem; border:1px solid var(--line); color:var(--text);
    background:var(--surface); cursor:pointer; transition:filter .12s, background .12s;
  }
  .modal-btn:hover{ background:var(--surface-alt); }
  .modal-btn-primary{ background:var(--accent-2); border-color:var(--accent-2); color:#fff; }
  .modal-btn-primary:hover{ filter:brightness(1.08); background:var(--accent-2); }
  .check-list{ display:grid; gap:14px; margin-bottom:20px; text-align:left; }
  .check-item{ display:flex; align-items:flex-start; gap:10px; font-size:.92rem; color:var(--text); cursor:pointer; line-height:1.5; }
  .check-item input{ width:20px; height:20px; margin-top:1px; accent-color:var(--accent-2); flex-shrink:0; cursor:pointer; }
  .modal-btn + .pre-activation-go{ margin-top:14px; }
  .modal-dismiss{
    display:block; margin:0 auto; background:none; border:none; color:var(--text-muted);
    font-size:.88rem; font-weight:500; cursor:pointer; padding:6px;
  }

  /* ---------- floating buttons ---------- */
  .fab-group{ position:fixed; right:18px; bottom:18px; display:flex; flex-direction:column; gap:10px; z-index:60; }
  .fab{
    width:52px; height:52px; border-radius:50%; display:flex; align-items:center; justify-content:center;
    text-decoration:none; box-shadow:0 10px 24px -8px rgba(0,0,0,.35); border:1px solid var(--line);
  }
  .fab svg{ width:24px; height:24px; }
  .fab-kakao{ background:var(--kakao); color:var(--kakao-ink); }
  .fab-call{ background:var(--accent-2); color:#fff; }
  @media (min-width: 881px){ .fab-group{ display:none; } }
  /* ---------- 모바일 다듬기 ---------- */
  body{ word-break:keep-all; overflow-wrap:break-word; }
  .m-br{ display:none; }
  .section-head .notice-box{ margin-top:24px; }
  .self-step-warn .warn-sub{ display:block; padding-left:1.25em; }
  .section-head p{ text-wrap:balance; }
  .notice-lines{ display:inline-block; text-align:left; }
  .notice-lines > span{ display:block; padding-left:1.1em; text-indent:-1.1em; }
  @media (max-width: 640px){
    .m-br{ display:inline; }
    .m-hide{ display:none; }
    .section-head .notice-list{ padding-inline:14px; font-size:clamp(.82rem, 3.85vw, .94rem); }
    .usim-title-main{ display:block; font-size:1.5em; line-height:1.15; margin-bottom:6px; }
    .usim-title-sub{ display:inline-block; white-space:nowrap; font-size:clamp(1.2rem, 6.2vw, 1.6rem); }
  }


    .kw-head{ margin-bottom:28px; }
    .kw-head .eyebrow{ margin-bottom:12px; }
    .kw-head h2{ font-size:clamp(1.6rem, 3vw, 2.2rem); margin-bottom:10px; }
    .kw-head p{ color:var(--text-muted); font-size:1.02rem; }
    .kw-block + .kw-block{ margin-top:88px; }
    .kw-region-grid{ display:grid; grid-template-columns:repeat(6, minmax(0,1fr)); gap:12px; }
    .kw-region{ background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:20px 10px; text-align:center; }
    .kw-region strong{ display:block; font-size:1.08rem; font-weight:700; }
    a.kw-region{ display:block; text-decoration:none; color:inherit; transition:border-color .15s, transform .15s; }
    a.kw-region:hover{ border-color:var(--accent); transform:translateY(-2px); }
    .kw-region span{ display:block; font-size:.86rem; color:var(--text-muted); margin-top:4px; }
    .kw-case-grid{ display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:16px; }
    .kw-case{ background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:26px 24px; }
    .kw-case strong{ display:block; font-size:1.08rem; font-weight:700; }
    .kw-case span{ display:block; font-size:.94rem; color:var(--text-muted); margin-top:6px; }
    a.kw-case{ display:block; text-decoration:none; color:inherit; transition:border-color .15s, transform .15s; }
    a.kw-case:hover{ border-color:var(--accent); transform:translateY(-2px); }
    a.kw-chip{ text-decoration:none; transition:border-color .15s, color .15s; }
    a.kw-chip:hover{ border-color:var(--accent); color:var(--text); }
    .kw-chips{ display:flex; flex-wrap:wrap; gap:10px; }
    .kw-chip{ background:var(--surface); border:1px solid var(--line); border-radius:10px; padding:9px 14px; font-size:.94rem; color:var(--text-muted); }
    @media (max-width:900px){
      .kw-region-grid{ grid-template-columns:repeat(4, minmax(0,1fr)); }
      .kw-case-grid{ grid-template-columns:repeat(2, minmax(0,1fr)); }
    }
    @media (max-width:560px){
      .kw-region-grid{ grid-template-columns:repeat(3, minmax(0,1fr)); gap:8px; }
      .kw-region{ padding:16px 6px; }
      .kw-case-grid{ grid-template-columns:1fr; }
      .kw-chip{ font-size:.88rem; padding:8px 12px; }
      .kw-block + .kw-block{ margin-top:64px; }
    }
  

  /* 같은 이름 다른 지역 안내 */
  .dup-box{ max-width:760px; margin:0 auto; text-align:center; }
  .dup-q{ color:var(--text-muted); font-size:.98rem; margin-bottom:14px; }
  .dup-q strong{ color:var(--text); }
  .dup-box .kw-chips{ justify-content:center; }
  /* 가까운 직영점 · 주변 지역 */
  .nb-list{ display:grid; gap:10px; max-width:720px; margin:0 auto; }
  .nb-item{ display:flex; align-items:center; gap:14px; background:var(--surface); border:1px solid var(--line); border-radius:14px; padding:16px 18px; }
  .nb-rank{ width:28px; height:28px; border-radius:50%; background:var(--accent); color:#fff; display:grid; place-items:center; font-weight:800; font-size:.9rem; flex-shrink:0; }
  .nb-name{ font-weight:700; }
  .nb-loc{ color:var(--text-muted); font-size:.9rem; margin-left:auto; text-align:right; }
  .nb-km{ color:var(--accent-2); font-weight:700; white-space:nowrap; }
  .nb-note{ color:var(--text-muted); font-size:.92rem; text-align:center; margin-top:16px; }
  .nb-cta{ display:flex; flex-wrap:wrap; gap:10px; justify-content:center; margin-top:26px; }
  @media (max-width:560px){ .nb-item{ flex-wrap:wrap; gap:8px; } .nb-loc{ margin-left:0; text-align:left; width:100%; } }


  /* 한 칸짜리 페이지 */
  .pg-crumb{ display:flex; flex-wrap:wrap; gap:8px; font-size:.9rem; color:var(--text-muted); margin-bottom:28px; }
  .pg-crumb a{ text-decoration:none; }
  .pg-crumb a:hover{ color:var(--accent-2); }
  .pg-crumb span[aria-hidden]{ opacity:.5; }
  .section-head h1{ font-size:clamp(1.8rem, 3.6vw, 2.6rem); margin-bottom:12px; }
  main > .section:first-child{ padding-top:40px; }


  /* 상황별 페이지 */
  .st-lede{ color:var(--text-muted); font-size:1.08rem; max-width:62ch; margin:0 0 28px; }
  .st-actions{ display:flex; flex-wrap:wrap; gap:10px; }
  .st-grid{ display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:16px; }
  .st-card{ background:var(--surface); border:1px solid var(--line); border-radius:18px; padding:26px 24px; }
  .st-card h2{ font-size:1.35rem; margin-bottom:14px; }
  .st-card ul{ margin:0; padding-left:1.1em; display:grid; gap:8px; }
  .st-card li{ color:var(--text-muted); }
  .st-ok li::marker{ color:var(--accent); }
  .st-check li::marker{ color:var(--accent-2); }
  .st-h2{ font-size:clamp(1.5rem, 3vw, 2rem); margin-bottom:22px; }
  .st-steps{ margin:0; padding:0; list-style:none; display:grid; gap:12px; counter-reset:st; }
  .st-steps li{ counter-increment:st; background:var(--surface); border:1px solid var(--line); border-radius:16px; padding:18px 20px 18px 64px; position:relative; color:var(--text-muted); }
  .st-steps li::before{ content:counter(st); position:absolute; left:20px; top:16px; width:30px; height:30px; border-radius:50%; background:var(--accent); color:#fff; display:grid; place-items:center; font-weight:800; }
  .st-steps strong{ display:block; color:var(--text); margin-bottom:2px; }
  .st-steps a{ font-weight:700; color:var(--accent-2); text-decoration:none; }
  .st-more{ display:flex; flex-wrap:wrap; gap:10px; margin-top:8px; }
  @media (max-width:760px){ .st-grid{ grid-template-columns:1fr; } }
 .st-h1{ font-size:clamp(2rem, 4.6vw, 3rem); line-height:1.25; margin:14px 0 16px; }