@import url("https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&family=Montserrat:wght@500;600;700&display=swap");

:root {
  --bg: #f4f9f8;
  --surface: #ffffff;
  --surface-soft: #edf6f3;
  --text: #102a2f;
  --muted: #4f6a70;
  --brand: #0e7a66;
  --brand-deep: #085848;
  --accent: #f3a530;
  --line: #d6e5e1;
  --success: #1f8f4a;
  --danger: #b93a32;
  --shadow: 0 14px 36px rgba(16, 42, 47, 0.12);
  --radius: 16px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Be Vietnam Pro", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% -10%, rgba(14, 122, 102, 0.15), transparent 40%),
    radial-gradient(circle at 90% -20%, rgba(243, 165, 48, 0.16), transparent 42%),
    var(--bg);
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background-color: rgba(244, 249, 248, 0.88);
  border-bottom: 1px solid rgba(214, 229, 225, 0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 78px;
}

.logo {
  font-family: "Montserrat", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--brand-deep);
  border: 2px solid var(--brand);
  padding: 0.42rem 0.72rem;
  border-radius: 10px;
  transition: transform 180ms ease, background-color 180ms ease;
}

.logo:hover {
  transform: translateY(-1px);
  background-color: rgba(14, 122, 102, 0.08);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  width: 44px;
  height: 44px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--brand-deep);
  margin: 5px auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.site-nav a {
  padding: 0.48rem 0.86rem;
  border-radius: 999px;
  font-weight: 600;
  color: var(--muted);
  transition: background-color 180ms ease, color 180ms ease;
}

.site-nav a:hover,
.site-nav a.active {
  background-color: var(--surface-soft);
  color: var(--brand-deep);
}

.hero {
  padding: 5.2rem 0 3.6rem;
}

.hero-panel {
  background: linear-gradient(140deg, rgba(8, 88, 72, 0.95), rgba(14, 122, 102, 0.9));
  color: #ecf7f4;
  border-radius: 24px;
  padding: clamp(1.5rem, 5vw, 3rem);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 1.5rem;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(243, 165, 48, 0.18);
  color: #ffe8c5;
  font-weight: 600;
  margin-bottom: 1rem;
  border: 1px solid rgba(255, 219, 169, 0.4);
}

.hero h1,
h1,
h2,
h3 {
  margin: 0 0 0.8rem;
  line-height: 1.2;
  color: #0d333b;
}

.hero h1 {
  color: #ffffff;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
}

.hero p {
  margin: 0 0 1.1rem;
  font-size: 1.02rem;
  color: #e8f6f2;
}

.hero ul {
  padding-left: 1.1rem;
  margin: 0;
}

.hero li {
  margin-bottom: 0.4rem;
}

.hero-visual {
  margin: 0;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(208, 244, 235, 0.34);
  border-radius: 16px;
  padding: 0.5rem;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  object-fit: cover;
}

.hero-highlight {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 1.2rem;
  border-radius: 14px;
}

.section {
  padding: 2.7rem 0;
}

.section-head {
  max-width: 730px;
  margin-bottom: 1.4rem;
}

.section-head p {
  color: var(--muted);
  margin: 0;
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: 0 8px 22px rgba(13, 51, 59, 0.06);
}

.card h3 {
  margin-bottom: 0.55rem;
  color: var(--brand-deep);
}

.card p {
  margin: 0;
  color: var(--muted);
}

.legal-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, #ffffff, #f6fbfa);
  padding: 1.2rem;
}

.legal-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.legal-list li {
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--line);
}

.legal-list li:last-child {
  border-bottom: none;
}

.timeline {
  border-left: 3px solid var(--line);
  padding-left: 1rem;
}

.timeline .item {
  margin-bottom: 0.8rem;
}

.notice {
  background: #fff8ef;
  border: 1px solid #f8d7a1;
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  padding: 0.95rem 1rem;
  color: #62420a;
}

.contact-wrap {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr 1fr;
}

iframe.map {
  width: 100%;
  min-height: 320px;
  border: 0;
  border-radius: 14px;
}

form {
  display: grid;
  gap: 0.8rem;
}

label {
  font-weight: 600;
  font-size: 0.95rem;
}

input,
textarea {
  width: 100%;
  margin-top: 0.3rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  padding: 0.72rem;
  font: inherit;
  background: #ffffff;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

button {
  font: inherit;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(120deg, var(--brand), var(--brand-deep));
  border: 0;
  border-radius: 10px;
  padding: 0.76rem 1rem;
  cursor: pointer;
  transition: transform 180ms ease, opacity 180ms ease;
}

button:hover {
  transform: translateY(-1px);
  opacity: 0.96;
}

.form-status {
  min-height: 1.4rem;
  font-size: 0.92rem;
}

.form-status.success {
  color: var(--success);
}

.form-status.error {
  color: var(--danger);
}

.site-footer {
  margin-top: 2.7rem;
  border-top: 1px solid var(--line);
  background: #f0f7f5;
}

.footer-inner {
  padding: 1.5rem 0;
  display: grid;
  gap: 0.6rem;
}

.footer-legal {
  color: var(--muted);
  font-size: 0.95rem;
}

.fade-up {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 480ms ease, transform 480ms ease;
}

.fade-up.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero-panel,
  .grid-4,
  .grid-2,
  .contact-wrap {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 4.6rem;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    display: none;
    position: absolute;
    right: 1rem;
    top: 70px;
    width: min(280px, calc(100% - 2rem));
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 0.5rem;
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    border-radius: 10px;
  }
}