:root {
  --ink: #0a1a2f;
  --accent: #0d6a8a;
  --gold: #c3a459;
  --sand: #f4f0e8;
  --mist: #e3edf2;
  --danger: #9f2a2a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 20% 0%, #f9f4e9 0%, #f1f6f9 45%, #e7edf2 100%);
  line-height: 1.6;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  background: linear-gradient(110deg, #05101f 0%, #0b2744 60%, #184f72 100%);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 9;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0;
  gap: 1rem;
}

.brand {
  color: #fff;
  text-decoration: none;
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: 0.08em;
  font-weight: 700;
  font-size: 1.25rem;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.main-nav a {
  color: #d8e6f5;
  text-decoration: none;
  font-size: 0.95rem;
  padding-bottom: 0.1rem;
  border-bottom: 2px solid transparent;
}

.main-nav a.active,
.main-nav a:hover {
  color: #fff;
  border-bottom-color: var(--gold);
}

.hero {
  background: linear-gradient(120deg, rgba(5, 16, 31, 0.9), rgba(16, 65, 98, 0.82)),
    url('https://images.unsplash.com/photo-1436491865332-7a61a109cc05?auto=format&fit=crop&w=1600&q=80') center/cover;
  color: #fff;
  padding: 5rem 0 4rem;
}

.hero h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin: 0 0 1rem;
}

.hero p {
  max-width: 760px;
}

.section {
  padding: 2.5rem 0;
}

.card {
  background: #fff;
  border: 1px solid #d4dde5;
  border-radius: 14px;
  padding: 1.2rem;
  box-shadow: 0 12px 26px rgba(22, 47, 71, 0.07);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.notice {
  background: #eef8fd;
  border-left: 5px solid var(--accent);
  padding: 0.8rem 1rem;
  border-radius: 8px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}

label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

input,
select,
button {
  width: 100%;
  border: 1px solid #b6c5d2;
  border-radius: 8px;
  padding: 0.6rem 0.7rem;
  font-size: 1rem;
}

button {
  background: linear-gradient(130deg, var(--accent), #0f7ba4);
  color: #fff;
  border: none;
  cursor: pointer;
  font-weight: 700;
}

button:hover {
  filter: brightness(1.05);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

th,
td {
  text-align: left;
  border-bottom: 1px solid #d5dee6;
  padding: 0.65rem;
  font-size: 0.94rem;
}

.badge {
  display: inline-block;
  background: #eaf5f9;
  color: #0f4f6a;
  border: 1px solid #b8d5e0;
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  font-size: 0.78rem;
}

.status-danger {
  color: var(--danger);
  font-weight: 700;
}

.site-footer {
  margin-top: 3rem;
  background: #081627;
  color: #d2deeb;
  padding: 1.8rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1rem;
}

.footer-brand {
  font-family: Georgia, "Times New Roman", serif;
  color: #fff;
  margin-top: 0;
  font-size: 1.15rem;
}

.site-footer a {
  color: #d2deeb;
}

@media (max-width: 760px) {
  .form-row,
  .grid-2,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 4rem;
  }
}