:root {
  --bg-a: #ff6a3d;
  --bg-b: #c62368;
  --card-bg: #fffaf3;
  --card-text: #3a2a2a;
  --accent: #e0492e;
  --accent2: #d8a13a;
  --grad: linear-gradient(120deg, var(--accent), var(--accent2));
  --btn-c1: var(--accent);
  --btn-c2: var(--accent2);
  --btn-grad: linear-gradient(120deg, var(--btn-c1), var(--btn-c2));
  --accent-dark: #b8331c;
  --muted: #8a7a70;
  --border: #f0ddd0;
  --gold: #d8a13a;
  --hero-grid: rgba(20, 20, 40, 0.05);
}

:root[data-theme="dark"] {
  --card-bg: #1c1c20;
  --card-text: #ececee;
  --muted: #9a9aa2;
  --border: #2c2c31;
  --hero-grid: rgba(20, 20, 40, 0.07);
}
:root[data-theme="dark"] .secondary-button:hover {
  background: #2c2c31;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  background-color: var(--bg-a);
  background-image:
    radial-gradient(circle, var(--hero-grid) 1px, transparent 1px),
    linear-gradient(160deg, var(--bg-a), var(--bg-b));
  background-size: 22px 22px, auto;
  background-attachment: fixed;
  color: #fff;
  min-height: 100vh;
  padding-bottom: 40px;
}

.site-header {
  text-align: center;
  padding: 40px 16px 24px;
}

.site-header h1 {
  margin: 0 0 8px;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  margin: 0;
  color: #ffe4d1;
  font-size: 0.95rem;
}

main {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 16px;
}

.card {
  background: var(--card-bg);
  color: var(--card-text);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-weight: bold;
  font-size: 0.9rem;
}

input[type="text"] {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  padding: 14px;
  margin-top: 16px;
  background: var(--btn-grad);
  color: #fff;
  font-weight: bold;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--btn-c1) 35%, transparent);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.secondary-button {
  background: transparent;
  color: var(--accent-dark);
  border: 1px solid var(--accent);
}

.secondary-button:hover {
  background: #fdece6;
}

.overall-fortune {
  font-size: 2.4rem;
  font-weight: bold;
  text-align: center;
  margin: 0 0 8px;
  color: var(--gold);
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.1);
}

.overall-comment {
  text-align: center;
  margin: 0 0 20px;
  color: var(--muted);
}

.category-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.category-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
}

.category-item .category-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 4px;
}

.category-item .category-name {
  font-weight: bold;
}

.category-item .category-level {
  color: var(--accent-dark);
  font-weight: bold;
}

.category-item .category-comment {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.share-area {
  text-align: center;
}

#share-button {
  background: #1da1f2;
}

#share-button:hover {
  background: #0d8ddb;
}

.about-section h2 {
  margin-top: 0;
}

.about-section p {
  line-height: 1.8;
  font-size: 0.9rem;
  color: var(--muted);
}

.ad-slot {
  min-height: 90px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px dashed rgba(255, 255, 255, 0.4);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8rem;
  margin-bottom: 20px;
}

.site-footer {
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8rem;
  margin-top: 20px;
}

@media (max-width: 480px) {
  .site-header h1 {
    font-size: 1.6rem;
  }

  .card {
    padding: 18px;
    border-radius: 12px;
  }

  .overall-fortune {
    font-size: 2rem;
  }
}

.site-nav {
  width: 100%;
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  box-sizing: border-box;
}
.site-nav a {
  display: inline-flex;
  align-items: center;
  color: var(--card-text);
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.site-nav a:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}