:root {
  --sakura-pink: #ffb7c5;
  --sakura-deep: #ff9db3;
  --sakura-dark: #ffe3ea;
  --ink: #f3eef1;
  --ink-soft: #d9cfd5;
  --paper: #fffaf9;
  --glass-bg: rgba(30, 18, 26, 0.4);
  --glass-border: rgba(255, 255, 255, 0.22);
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: "Hiragino Sans", "Yu Gothic", "Segoe UI", sans-serif;
  color: #fff;
  min-height: 100vh;
  background: transparent;
}

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

/* ===== Header: always transparent, sits above video or page background ===== */
header.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: transparent;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

header.site-header .logo {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--sakura-dark);
  text-shadow: 0 1px 8px rgba(0,0,0,0.7);
}

header.site-header nav a {
  margin-left: 20px;
  font-size: 0.95rem;
  color: var(--sakura-dark);
  text-shadow: 0 1px 8px rgba(0,0,0,0.7);
}

/* ===== Fixed full-page background (video on top page / image on other pages) ===== */
.fixed-bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  background: #1a1015; /* fallback while media loads */
}

.fixed-bg video,
.fixed-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fixed-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 6, 12, 0.35) 0%, rgba(10, 6, 12, 0.6) 100%);
}

/* ===== Hero (top page title area, scrolls over the fixed video) ===== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: transparent;
  padding: 24px;
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 4rem);
  color: #fff;
  text-shadow: 0 2px 18px rgba(0,0,0,0.55);
  margin: 0 0 10px;
  letter-spacing: 0.08em;
}

.hero p.tagline {
  color: #fff;
  text-shadow: 0 2px 12px rgba(0,0,0,0.55);
  font-size: 1.1rem;
  margin: 0 0 30px;
}

/* ===== Sections below hero: transparent panels over page background ===== */
main {
  position: relative;
  z-index: 1;
}

.section {
  padding: 60px 6vw;
  background: transparent;
}

.section h2 {
  font-size: 1.6rem;
  color: var(--sakura-dark);
  border-left: 6px solid var(--sakura-pink);
  padding-left: 12px;
  margin-bottom: 24px;
}

/* ===== Search box (glass / transparent card) ===== */
.search-box {
  max-width: 640px;
  margin: 0 auto 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 999px;
  padding: 6px 6px 6px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-box input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 1rem;
  padding: 12px 0;
  color: var(--ink);
}

.search-box button {
  border: none;
  background: var(--sakura-deep);
  color: #fff;
  border-radius: 999px;
  padding: 10px 22px;
  font-size: 0.95rem;
  cursor: pointer;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 30px;
}

.filter-tabs button {
  border: 1px solid var(--sakura-deep);
  background: transparent;
  color: var(--sakura-dark);
  padding: 6px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.9rem;
}

.filter-tabs button.active {
  background: var(--sakura-deep);
  color: #fff;
}

/* ===== Alphabet quick nav ===== */
.alpha-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: 10px;
}

.alpha-nav a {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  font-size: 0.85rem;
  color: var(--sakura-dark);
}

/* ===== Country grid / cards ===== */
.country-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
}

.country-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 18px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.country-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(232, 134, 156, 0.25);
}

.country-card .flag {
  width: 48px;
  height: 36px;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.4);
  display: block;
}

.country-card h3 {
  margin: 8px 0 4px;
  font-size: 1.05rem;
  color: var(--sakura-dark);
}

.country-card p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.letter-group-title {
  font-size: 1.3rem;
  color: var(--sakura-deep);
  margin: 30px 0 12px;
  font-weight: 700;
}

/* ===== Country detail page ===== */
.country-hero {
  padding: 140px 6vw 40px;
  text-align: center;
  background: transparent;
}

.country-hero .flag-big {
  width: 120px;
  height: 90px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  margin: 0 auto;
}

.country-hero .id-badge {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--ink-soft);
  letter-spacing: 0.1em;
}

.notice-banner {
  max-width: 640px;
  margin: 0 auto 30px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 14px 20px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.country-hero h1 {
  margin: 6px 0 2px;
  color: var(--sakura-dark);
}

.country-hero .name-en {
  color: var(--ink-soft);
  letter-spacing: 0.08em;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  padding: 0 6vw 80px;
}

.info-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 22px;
}

.info-card h3 {
  margin: 0 0 10px;
  color: var(--sakura-deep);
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-card p, .info-card ul {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--ink);
}

.info-card ul {
  padding-left: 1.2em;
}

.back-link {
  display: inline-block;
  margin: 20px 6vw;
  color: var(--sakura-deep);
  font-weight: 600;
}

footer {
  text-align: center;
  padding: 30px;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.empty-state {
  text-align: center;
  color: var(--ink-soft);
  padding: 40px;
}

/* ===== Category grid (homepage entrance cards) ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.category-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 18px;
  padding: 28px 20px;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(232, 134, 156, 0.25);
}

.category-icon {
  font-size: 2.4rem;
  display: block;
  margin-bottom: 10px;
}

.category-icon.big {
  font-size: 4rem;
  margin-bottom: 16px;
}

.category-card h3 {
  margin: 0 0 6px;
  color: var(--sakura-dark);
  font-size: 1.05rem;
}

.category-card p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ===== Homepage highlight blocks ===== */
.highlight-block {
  margin-bottom: 40px;
}

.highlight-title {
  font-size: 1.1rem;
  color: var(--sakura-deep);
  margin-bottom: 14px;
}

.trivia-text {
  margin: 0 0 10px;
  line-height: 1.7;
}

.trivia-link {
  color: var(--sakura-deep);
  font-weight: 600;
  font-size: 0.9rem;
}

.section-sub-link {
  text-align: center;
  margin-top: 14px;
}

.section-sub-link a {
  color: var(--sakura-deep);
  font-weight: 600;
}

/* ===== Big banner ===== */
.banner-section {
  text-align: center;
}

.big-banner {
  display: inline-block;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 999px;
  padding: 20px 48px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--sakura-dark);
}

/* ===== SNS section ===== */
.sns-section {
  text-align: center;
}

.sns-link {
  display: inline-block;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 12px 28px;
  font-size: 0.95rem;
  color: var(--sakura-dark);
}

/* ===== Coming soon page ===== */
.page-title-section {
  padding-top: 140px;
}

.coming-soon {
  text-align: center;
}

.coming-soon p {
  color: var(--ink-soft);
  margin-bottom: 20px;
}