  :root {
    --bg: #ffffff;
    --surface: #f3f6fa;
    --surface-2: #e9eff7;
    --line: #dde4ee;
    --ink: #0d1b2e;
    --ink-2: #3b4a5f;
    --ink-3: #5d6b7e;
    --blue: #1660e6;
    --blue-deep: #0f4bbd;
    --blue-soft: #e8f0ff;
    --alert: #f04e23;
    --alert-soft: #fff0eb;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow: 0 1px 2px rgba(13, 27, 46, .06), 0 8px 24px -6px rgba(13, 27, 46, .12);
    --shadow-lift: 0 2px 4px rgba(13, 27, 46, .08), 0 18px 40px -12px rgba(22, 96, 230, .35);
    --wrap: 1160px;
    --gutter: clamp(20px, 4vw, 40px);
    --ease: cubic-bezier(.16, 1, .3, 1);
  }

  *, *::before, *::after { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }
  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    font-size: 17px;
    line-height: 1.65;
    letter-spacing: -0.01em;
    word-break: keep-all;
    overflow-wrap: break-word;
    -webkit-font-smoothing: antialiased;
  }
  ::selection { background: var(--blue); color: #fff; }
  a { color: inherit; }
  img, svg { display: block; }
  h1, h2, h3 { margin: 0; letter-spacing: -0.035em; line-height: 1.22; text-wrap: balance; }
  p { margin: 0; }
  :focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 8px; }
  .wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
  .num { font-variant-numeric: tabular-nums; }
  .ico { width: 22px; height: 22px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

  /* Buttons */
  .call {
    display: inline-flex; align-items: center; gap: 12px;
    background: var(--blue); color: #fff; text-decoration: none;
    border-radius: 14px; padding: 16px 24px;
    font-weight: 700; font-size: 18px; letter-spacing: -0.02em;
    box-shadow: var(--shadow-lift);
    transition: background-color .2s, transform .25s var(--ease), box-shadow .25s var(--ease);
  }
  .call:hover { background: var(--blue-deep); transform: translateY(-2px); }
  .call:active { transform: translateY(0); box-shadow: var(--shadow); }
  .call .ico { width: 22px; height: 22px; stroke-width: 2.1; }
  .call-lg { padding: 20px 28px; border-radius: 16px; }
  .call-lg .call-text { display: flex; flex-direction: column; line-height: 1.25; }
  .call-lg small { font-size: 14px; font-weight: 500; opacity: .85; }
  .call-lg strong { font-size: 24px; font-weight: 800; letter-spacing: -0.01em; }

  /* Header */
  .top {
    position: sticky; top: 0; z-index: 30;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(1.6) blur(12px);
    -webkit-backdrop-filter: saturate(1.6) blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color .2s;
  }
  .top.scrolled { border-bottom-color: var(--line); }
  .top .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
  .brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 18px; letter-spacing: -0.03em; }
  .brand-mark { width: 34px; height: 34px; border-radius: 10px; background: var(--blue); display: grid; place-items: center; color: #fff; }
  .brand-mark svg { width: 20px; height: 20px; }
  .top nav { display: flex; gap: 28px; font-size: 15px; font-weight: 600; color: var(--ink-2); }
  .top nav a { text-decoration: none; }
  .top nav a:hover { color: var(--blue); }
  .top .call { padding: 10px 16px; font-size: 16px; border-radius: 12px; box-shadow: none; }
  .top .call .ico { width: 18px; height: 18px; }

  /* Hero */
  .hero { padding: clamp(36px, 6vw, 72px) 0 clamp(56px, 8vw, 96px); }
  .hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
  .status {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--alert-soft); color: #b8360f;
    font-weight: 700; font-size: 15px;
    padding: 8px 14px 8px 12px; border-radius: 999px;
  }
  .pulse { position: relative; width: 10px; height: 10px; border-radius: 50%; background: var(--alert); }
  .pulse::after {
    content: ""; position: absolute; inset: 0; border-radius: 50%;
    background: var(--alert); animation: pulse 2s var(--ease) infinite;
  }
  @keyframes pulse { 0% { transform: scale(1); opacity: .6; } 100% { transform: scale(3); opacity: 0; } }
  .hero h1 { margin-top: 22px; font-size: clamp(40px, 6.2vw, 72px); font-weight: 800; letter-spacing: -0.045em; line-height: 1.12; }
  .hero h1 em { font-style: normal; color: var(--blue); }
  .hero .lead { margin-top: 20px; font-size: clamp(17px, 1.6vw, 20px); color: var(--ink-2); max-width: 30em; }
  .chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; padding: 0; list-style: none; }
  .chips li {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 15px; font-weight: 600; color: var(--ink-2);
    background: var(--surface); border-radius: 10px; padding: 7px 12px;
  }
  .chips .ico { width: 16px; height: 16px; color: var(--blue); stroke-width: 2.2; }
  .hero-cta { margin-top: 32px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px 20px; }
  .hero-cta .note { font-size: 15px; color: var(--ink-3); }

  .hero-visual { position: relative; }
  .photo-slot {
    position: relative; overflow: hidden;
    border-radius: var(--radius-lg);
    background: #e6eefa;
    display: grid; place-items: center; text-align: center;
    color: #3f5675; font-size: 14px; font-weight: 600;
  }
  .photo-slot .slot-inner { display: grid; justify-items: center; gap: 10px; padding: 24px; }
  .photo-slot .ico { width: 30px; height: 30px; stroke-width: 1.5; }
  .photo-slot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
  .hero .photo-slot { aspect-ratio: 4 / 4.4; }
  .float-card {
    position: absolute; left: -28px; bottom: 32px;
    background: #fff; border-radius: 18px; padding: 18px 20px;
    box-shadow: var(--shadow); display: flex; align-items: center; gap: 14px;
    min-width: 260px;
  }
  .float-card .fc-ico { width: 46px; height: 46px; border-radius: 14px; background: var(--blue-soft); color: var(--blue); display: grid; place-items: center; }
  .float-card strong { display: block; font-size: 17px; letter-spacing: -0.02em; }
  .float-card span { font-size: 14px; color: var(--ink-3); }

  /* Sections */
  section { padding: clamp(64px, 9vw, 112px) 0; }
  .sec-head { max-width: 680px; margin-bottom: clamp(32px, 5vw, 56px); }
  .sec-head h2 { font-size: clamp(30px, 4vw, 44px); font-weight: 800; }
  .sec-head p { margin-top: 14px; font-size: 18px; color: var(--ink-2); }
  .tint { background: var(--surface); }

  /* Symptoms */
  .symptoms { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 48px; padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
  .symptoms li { display: flex; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--line); }
  .symptoms .s-ico { width: 48px; height: 48px; border-radius: 14px; background: var(--blue-soft); color: var(--blue); display: grid; place-items: center; flex: none; }
  .symptoms strong { display: block; font-size: 19px; letter-spacing: -0.025em; }
  .symptoms span { display: block; margin-top: 4px; color: var(--ink-3); font-size: 16px; }
  .symptom-cta {
    margin-top: 40px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
    background: var(--ink); color: #fff; border-radius: var(--radius-lg); padding: 28px 32px;
  }
  .symptom-cta p { font-size: 20px; font-weight: 700; letter-spacing: -0.03em; }
  .symptom-cta p span { display: block; font-size: 16px; font-weight: 500; color: #b9c6d8; margin-top: 4px; letter-spacing: -0.01em; }
  .symptom-cta .call { box-shadow: none; }

  /* Services */
  .service { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
  .service + .service { margin-top: clamp(56px, 8vw, 96px); }
  .service:nth-child(even) .service-media { order: 2; }
  .service .photo-slot { aspect-ratio: 5 / 4; }
  .service-tag { display: inline-flex; align-items: center; gap: 8px; color: var(--blue); font-weight: 700; font-size: 16px; }
  .service-tag .ico { width: 20px; height: 20px; stroke-width: 2; }
  .service h3 { margin-top: 12px; font-size: clamp(26px, 3vw, 34px); font-weight: 800; }
  .service p { margin-top: 14px; color: var(--ink-2); max-width: 34em; }
  .checks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 10px; }
  .checks li { display: flex; gap: 10px; align-items: flex-start; font-weight: 600; color: var(--ink); }
  .checks .ico { width: 20px; height: 20px; margin-top: 3px; color: var(--blue); stroke-width: 2.4; }

  /* Process */
  .steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; counter-reset: step; position: relative; }
  .steps::before { content: ""; position: absolute; top: 23px; left: 24px; right: 24px; height: 2px; background: var(--line); }
  .steps li { position: relative; counter-increment: step; }
  .steps li::before {
    content: counter(step); position: relative;
    width: 48px; height: 48px; border-radius: 50%;
    display: grid; place-items: center;
    background: #fff; border: 2px solid var(--blue); color: var(--blue);
    font-weight: 800; font-size: 18px; font-variant-numeric: tabular-nums;
  }
  .steps li:first-child::before { background: var(--blue); color: #fff; }
  .steps strong { display: block; margin-top: 18px; font-size: 18px; letter-spacing: -0.025em; }
  .steps span { display: block; margin-top: 6px; color: var(--ink-3); font-size: 15px; line-height: 1.6; }

  /* Insurance */
  .insure { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
  .insure .sec-head { margin-bottom: 0; }
  .insure { align-items: center; }
  .insure-art { margin: 0; }
  .insure-art svg { width: 100%; height: auto; max-width: 480px; margin: 0 auto; font-family: inherit; letter-spacing: -0.03em; }
  .insure-art figcaption { margin-top: 8px; text-align: center; font-size: 15px; font-weight: 600; color: var(--ink-3); }

  /* Field photos */
  .field { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .field figure { margin: 0; }
  .field .photo-slot { aspect-ratio: 4 / 3; }
  .field figcaption { margin-top: 14px; }
  .field figcaption strong { display: block; font-size: 18px; letter-spacing: -0.025em; }
  .field figcaption span { display: block; margin-top: 2px; color: var(--ink-3); font-size: 15px; }
  .fine { margin-top: 18px; font-size: 14px; color: var(--ink-3); }

  /* Area */
  .area { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .city { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; display: flex; gap: 20px; align-items: center; }
  .city .s-ico { width: 56px; height: 56px; border-radius: 16px; background: var(--blue-soft); color: var(--blue); display: grid; place-items: center; flex: none; }
  .city strong { display: block; font-size: 24px; letter-spacing: -0.035em; }
  .city span { color: var(--ink-3); font-size: 16px; }

  /* FAQ */
  .faq { max-width: 820px; }
  .faq details { border-bottom: 1px solid var(--line); }
  .faq summary {
    list-style: none; cursor: pointer;
    display: flex; justify-content: space-between; align-items: center; gap: 16px;
    padding: 24px 0; font-size: 19px; font-weight: 700; letter-spacing: -0.025em;
  }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary .ico { color: var(--ink-3); transition: transform .3s var(--ease); }
  .faq details[open] summary .ico { transform: rotate(180deg); }
  .faq summary:hover { color: var(--blue); }
  .faq .ans { padding: 0 0 24px; color: var(--ink-2); max-width: 44em; }

  /* Closing */
  .closing { background: var(--blue); color: #fff; text-align: center; }
  .closing h2 { font-size: clamp(30px, 4.6vw, 52px); font-weight: 800; }
  .closing p { margin-top: 14px; font-size: 18px; color: #dbe7ff; }
  .closing .call { margin-top: 36px; background: #fff; color: var(--blue); box-shadow: 0 18px 40px -14px rgba(0, 0, 0, .35); }
  .closing .call:hover { background: #f1f6ff; }
  .closing .call-lg small { color: var(--ink-3); opacity: 1; }

  footer { padding: 40px 0 120px; font-size: 14px; color: var(--ink-3); }
  footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
  footer strong { color: var(--ink); }

  /* Mobile call bar */
  .callbar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, .95);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--line);
    display: none;
  }
  .callbar .call { width: 100%; justify-content: center; padding: 16px; font-size: 18px; }
  .callbar .call b { font-weight: 800; }

  /* Entrance */
  @media (prefers-reduced-motion: no-preference) {
    .rise { animation: rise .9s var(--ease) both; }
    .rise.d1 { animation-delay: .06s; } .rise.d2 { animation-delay: .12s; } .rise.d3 { animation-delay: .18s; } .rise.d4 { animation-delay: .24s; }
    @keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
  }
  @media (prefers-reduced-motion: reduce) {
    .pulse::after { animation: none; }
    html { scroll-behavior: auto; }
  }

  @media (max-width: 960px) {
    .top nav { display: none; }
    .hero .wrap { grid-template-columns: 1fr; }
    .hero .photo-slot { aspect-ratio: 16 / 11; }
    .float-card { left: 16px; bottom: 16px; }
    .steps { grid-template-columns: 1fr; gap: 0; }
    .steps::before { top: 24px; bottom: 24px; left: 23px; right: auto; width: 2px; height: auto; }
    .steps li { display: grid; grid-template-columns: 48px 1fr; column-gap: 18px; padding-bottom: 28px; }
    .steps li:last-child { padding-bottom: 0; }
    .steps li::before { grid-row: span 2; }
    .steps strong { margin-top: 10px; }
    .insure { grid-template-columns: 1fr; }
  }
  @media (max-width: 720px) {
    body { font-size: 16px; }
    .top .call span { display: none; }
    .top .call { padding: 10px 12px; }
    .symptoms { grid-template-columns: 1fr; }
    .service, .area, .field { grid-template-columns: 1fr; }
    .service:nth-child(even) .service-media { order: 0; }
    .hero-cta .call-lg { width: 100%; justify-content: center; }
    .symptom-cta { padding: 24px; }
    .symptom-cta .call { width: 100%; justify-content: center; }
    .city { padding: 24px; }
    .callbar { display: block; }
    .float-card { min-width: 0; padding: 12px 14px; gap: 10px; }
    .float-card .fc-ico { width: 38px; height: 38px; border-radius: 12px; }
    .float-card strong { font-size: 15px; }
    .float-card span { font-size: 13px; }
  }

  /* City links + city pages */
  a.city-link { text-decoration: none; transition: border-color .2s, box-shadow .25s var(--ease), transform .25s var(--ease); }
  a.city-link:hover { border-color: var(--blue); box-shadow: var(--shadow); transform: translateY(-2px); }
  .city-go { margin-left: auto; color: var(--blue); transform: rotate(-90deg); }
  footer a { text-decoration: none; }
  footer a:hover { color: var(--blue); }
  .crumb { font-size: 14px; color: var(--ink-3); margin-bottom: 18px; }
  .crumb a { text-decoration: none; }
  .crumb a:hover { color: var(--blue); }
  .districts { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
  .districts li { display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; font-weight: 700; }
  .districts .ico { width: 18px; height: 18px; color: var(--blue); }
  .districts-5 { grid-template-columns: repeat(5, 1fr); }
  .local { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
  .local .photo-slot { aspect-ratio: 5 / 4; }
  .local h2 { font-size: clamp(24px, 2.6vw, 30px); font-weight: 800; }
  .local p { margin-top: 14px; color: var(--ink-2); }
  @media (max-width: 960px) {
    .districts, .districts-5 { grid-template-columns: repeat(3, 1fr); }
  }
  @media (max-width: 720px) {
    .districts, .districts-5 { grid-template-columns: repeat(2, 1fr); }
    .local { grid-template-columns: 1fr; }
  }
