:root {
  --bg-color: #121212; /* Deep sanctuary dark */
  --card-bg: rgba(30, 30, 30, 0.6); /* Glassy dark */
  --text-main: #e0e0e0;
  --text-sub: #a0a0a0;
  --accent-color: #c5a059; /* Muted Gold */
  --accent-glow: rgba(197, 160, 89, 0.3);
  --border-color: rgba(255, 255, 255, 0.1);
  --font-serif: "Zen Old Mincho", serif;
  --font-sans: "Zen Kaku Gothic New", sans-serif;
  --spacing-unit: 8px;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-serif);
  line-height: 2;
  margin: 0;
  padding: 0;
  /* Subtle texture or gradient to mitigate flatness */
  background-image: radial-gradient(circle at 50% 0%, #1a1f2e 0%, #121212 60%);
  min-height: 100vh;
}

/* Typography Overrides */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: 0.15em;
}

/* Header - Church-like verticality and grandeur */
header {
  position: relative;
  height: 85vh;
  display: flex;
  justify-content: center;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  background-image: linear-gradient(rgba(18, 18, 18, 0.4), var(--bg-color)), url('../img/main_visual.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  overflow: hidden;
  padding-bottom: 10vh;
}

.header-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  z-index: 2;
}


.vertical-titles {
  display: flex;
  flex-direction: column; /* Stacks horizontally in vertical-rl (Right to Left) */
  align-items: center; /* Center align vertically */
  gap: 2.5rem;
  writing-mode: vertical-rl;
  margin: 0 auto;
}

h1 {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-size: 4rem;
  color: #fff;
  text-shadow: 0 4px 12px rgba(0,0,0,0.6);
  margin: 0;
  letter-spacing: 0.2em;
  line-height: 1.6;
}

.subtitle {
  writing-mode: horizontal-tb; /* Horizontal English */
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.4em;
  padding: 0.5rem 0;
  border-top: 1px solid var(--accent-color);
  border-bottom: 1px solid var(--accent-color);
  backdrop-filter: blur(2px);
  margin-top: 1rem;
}

@media (max-width: 600px) {
  h1 { font-size: 2.5rem; }
  header { height: 60vh; }
  main { margin-top: -50px; }
  .shrine-grid { gap: 1.5rem; }
}

/* Japanese Subtitle (Goshuin Drive Story) */
.japanese-subtitle {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-size: 1.3rem; /* Slightly larger for balance */
  color: var(--accent-color);
  font-family: var(--font-serif);
  letter-spacing: 0.4em;
  margin: 0;
  text-shadow: 0 0 10px rgba(0,0,0,0.5);
  font-weight: 700;
}

/* Main Content */
main {
  max-width: 1200px;
  margin: -50px auto 0; /* Overlap header */
  padding: 0 2rem 4rem;
  position: relative;
  z-index: 10;
}

/* Status Bar */
.status-bar {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem 2rem;
  border-radius: 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--accent-color);
  margin-bottom: 4rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.progress-text {
  font-family: var(--font-serif);
  color: var(--accent-color);
  font-weight: 700;
}

.progress-count {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
}

/* Rank Sections */
.rank-section {
  margin-bottom: 4rem;
}

.rank-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 2rem;
  color: var(--accent-color);
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.rank-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: var(--accent-color);
  margin: 0.5rem auto 0;
}

/* Shrine Grid */
.shrine-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

/* Shrine Card */
.shrine-card {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden; /* For watermark */
  min-height: 200px; /* Ensure height */
  cursor: pointer;
}

.shrine-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-color);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.shrine-card.visited {
  border-color: var(--accent-color);
  box-shadow: 0 0 15px var(--accent-glow);
}

.shrine-card.visited::before {
  content: '参拝済';
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--accent-color);
  color: #000;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 12px;
  font-family: var(--font-sans);
  font-weight: bold;
  z-index: 10;
}

/* Card Internals */
.shrine-crest {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 150px;
  height: 150px;
  transform: rotate(15deg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  opacity: 0.15; /* Slightly more visible as it's smaller */
  pointer-events: none;
  z-index: 0;
  filter: invert(1);
}

.shrine-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.shrine-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-sub);
}

.province-label, .classification-label {
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 2px 6px;
  border-radius: 4px;
}

.shrine-name {
  font-size: 1.5rem;
  margin: 0 0 1rem 0;
  color: #fff;
  font-family: var(--font-serif);
}

.kami-section {
  flex-grow: 1; /* Pushes footer down */
  margin-bottom: 1rem;
}

.kami-label {
  font-size: 0.75rem;
  color: var(--accent-color);
  margin-bottom: 0.25rem;
}

.kami-name {
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--text-sub);
}

.shrine-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

.shrine-address {
  color: var(--text-sub);
  width: 60%; /* Reduced width to accommodate buttons */
}

.shrine-actions {
  display: flex;
  gap: 0.5rem;
}

.map-button, .website-button {
  background: transparent;
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
  padding: 4px 10px;
  border-radius: 4px;
  text-decoration: none;
  font-family: var(--font-sans);
  transition: all 0.2s;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-button:hover, .website-button:hover {
  background: var(--accent-color);
  color: #000;
}

.website-button {
  border-color: rgba(255, 255, 255, 0.5);
  color: rgba(255, 255, 255, 0.8);
}

.website-button:hover {
  background: rgba(255, 255, 255, 0.8);
  border-color: #fff;
  color: #000;
}

/* About Section */
.about-section {
  max-width: 800px;
  margin: 6rem auto 4rem;
  padding: 3rem;
  background: rgba(197, 160, 89, 0.05); /* Very subtle gold tint */
  border: 1px solid var(--border-color);
  border-radius: 2px; /* Slightly more traditional sharp corners */
  text-align: center;
  position: relative;
}

.about-section::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  bottom: 10px;
  border: 1px solid var(--accent-color);
  opacity: 0.3;
  pointer-events: none;
}

.about-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
  letter-spacing: 0.2em;
}

.about-text {
  font-family: var(--font-serif);
  color: var(--text-sub);
  line-height: 2.2;
  font-size: 0.95rem;
  text-align: justify;
  text-align-last: center;
}

@media (max-width: 600px) {
  .about-section {
    padding: 2rem 1.5rem;
    margin: 4rem 1rem;
  }
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8rem;
  font-family: var(--font-sans);
}