:root {
  color-scheme: light;
  --bg: #f5f1e6;
  --panel: #ffffff;
  --ink: #1f1a16;
  --muted: #6a5f55;
  --accent: #9b3f2b;
  --line: #e6dccb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: linear-gradient(120deg, #efe3d3 0%, #f6f2ea 60%);
  padding: 10px 20px 8px;
  border-bottom: 1px solid var(--line);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px 40px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 0;
}

.header-title {
  min-width: 0;
}

h1 {
  margin: 0 0 6px;
  font-size: 22px;
  letter-spacing: 0.04em;
}

h1 a {
  color: inherit;
  text-decoration: none;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

main.container {
  padding-top: 16px;
}

.search-form {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  justify-content: flex-end;
}

.search-form input {
  width: min(360px, 100%);
  min-width: 180px;
  padding: 9px 12px;
  border: 1px solid #cdbfa9;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
}

.search-form button {
  padding: 9px 16px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 6px;
}

.nav a {
  text-decoration: none;
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 13px;
}

.nav a:hover {
  border-color: var(--accent);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 6px 16px rgba(33, 24, 16, 0.08);
}

.entry {
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}

.entry:last-child {
  border-bottom: none;
}

.entry-title {
  font-size: 18px;
  margin: 0 0 6px;
}

.entry-title a {
  color: inherit;
  text-decoration: none;
}

.entry-title a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.entry-title span {
  font-size: 14px;
  color: var(--muted);
}

.entry-desc {
  margin: 0 0 8px;
  line-height: 1.7;
}

.entry-date {
  color: var(--muted);
  font-size: 13px;
}

.empty {
  color: var(--muted);
  padding: 20px 0;
}

.entry-desc span[class~="\\91cd\\8981"] {
  color: #a63521;
  font-weight: 700;
}

.entry-desc .important {
  color: #a63521;
  font-weight: 700;
}

.entry-desc a[class~="\\9023\\7d50"] {
  color: #2a5c8a;
  text-decoration: underline;
}

@media (max-width: 720px) {
  .header-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .search-form {
    justify-content: stretch;
  }

  .search-form input {
    width: 100%;
  }
}