:root {
  --primary: #006064;
  --accent: #4DD0E1;
  --bg: #E0F7FA;
  --radius: 2px;
  --line: #B2E4E9;
  --max: 920px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: #0a3a3c;
  font-family: 'Pretendard Variable', -apple-system, sans-serif;
  font-weight: 400;
  font-display: swap;
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2 {
  font-family: 'Wanted Sans Variable', 'Pretendard Variable', sans-serif;
  font-weight: 800;
  font-display: swap;
  color: var(--primary);
  margin: 0;
}

a { color: inherit; }

img { max-width: 100%; height: auto; display: block; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  max-width: 1200px;
  margin-inline: auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--primary);
}

.logo-word {
  font-family: 'Wanted Sans Variable', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  color: var(--primary);
  padding: 6px;
  cursor: pointer;
}

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin: 0;
  padding: 0;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--primary);
  padding: 6px 2px;
  display: inline-block;
}

.site-nav a:hover { text-decoration: underline; }

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .site-nav {
    display: none;
    width: 100%;
    order: 3;
  }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; gap: 0; padding: 10px 0; }
  .header-inner { flex-wrap: wrap; }
}

/* hero */
.hero {
  max-width: var(--max);
  margin-inline: auto;
  padding: 56px 20px 40px;
  text-align: left;
}

.hero-label {
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--primary);
  opacity: 0.75;
  margin: 0 0 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero h1 {
  font-size: clamp(2.4rem, 8vw, 4.6rem);
  line-height: 1.05;
  margin-bottom: 20px;
  word-break: keep-all;
}

.hero-summary {
  max-width: 640px;
  font-size: 1.05rem;
  margin: 0 0 28px;
}

/* sections */
.section {
  max-width: var(--max);
  margin-inline: auto;
  padding: 40px 20px;
  border-top: 1px solid var(--line);
}

.section h2 {
  font-size: 1.6rem;
  display: inline-block;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--accent);
  margin-bottom: 20px;
}

.section p { margin: 0 0 14px; }

.note {
  font-size: 0.9rem;
  color: #2b6f72;
}

/* checklist */
.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.checklist li {
  position: relative;
  padding-left: 30px;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 16px;
  height: 16px;
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  background: #fff;
}

.checklist li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.55em;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
  transform: rotate(-45deg);
}

/* table */
.table-wrap {
  overflow-x: auto;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 560px;
  font-size: 0.92rem;
}

th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

thead th {
  background: var(--primary);
  color: #fff;
  font-weight: 500;
}

tbody th {
  background: #f0fbfc;
  font-weight: 600;
  white-space: nowrap;
}

/* process */
.process {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.process li {
  counter-increment: step;
  position: relative;
  padding: 14px 16px 14px 54px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.process li::before {
  content: counter(step);
  position: absolute;
  left: 14px;
  top: 14px;
  width: 26px;
  height: 26px;
  border-radius: var(--radius);
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.process strong { display: block; margin-bottom: 4px; }
.process span { font-size: 0.92rem; color: #2b6f72; }

/* callout */
.callout {
  border: 1px solid var(--primary);
  border-left: 6px solid var(--primary);
  border-radius: var(--radius);
  background: #fff;
  padding: 16px 18px;
}

.callout-title {
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 8px !important;
}

/* figure */
.shot {
  margin: 40px auto;
  max-width: 900px;
  padding-inline: 20px;
}

.shot img {
  border-radius: var(--radius);
  width: 100%;
}

.shot figcaption {
  font-size: 0.88rem;
  color: #2b6f72;
  margin-top: 8px;
  text-align: center;
}

/* faq */
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--primary);
  list-style: none;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::before {
  content: "+";
  display: inline-block;
  width: 1.2em;
  color: var(--accent);
  font-weight: 700;
}

.faq details[open] summary::before { content: "-"; }

.faq details p { margin: 10px 0 0 1.2em; }

/* CTA */
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  border: 2px solid transparent;
}

.cta--call {
  background: var(--primary);
  color: #fff;
}

.cta-block {
  max-width: var(--max);
  margin: 0 auto;
  padding: 44px 20px;
  border-top: 1px solid var(--line);
  background: var(--primary);
  color: #fff;
  text-align: center;
  border-radius: var(--radius);
}

.cta-block p { margin: 0 0 20px; font-size: 1.1rem; }

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.cta--alt {
  background: #fff;
  color: var(--primary);
}

.cta--sms {
  background: transparent;
  color: #fff;
  border-color: #fff;
}

/* links block */
.links-block {
  padding-bottom: 56px;
}

.links-label {
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 14px !important;
}

.link-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.link-cards a {
  display: inline-block;
  padding: 10px 16px;
  background: #fff;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--primary);
  font-size: 0.92rem;
}

.link-cards a:hover { background: var(--primary); color: #fff; }

/* footer */
footer {
  border-top: 1px solid var(--line);
  padding: 32px 20px 48px;
  max-width: var(--max);
  margin-inline: auto;
  font-size: 0.85rem;
  color: #2b6f72;
}

footer address { font-style: normal; line-height: 1.8; }

footer small { display: block; margin-top: 14px; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

@media (max-width: 400px) {
  .hero { padding-top: 40px; }
  .hero h1 { font-size: 2.1rem; }
}