:root {
  color-scheme: only light;
  --bg-1: #f6efe7;
  --bg-2: #f2f7f4;
  --ink: #1d1a16;
  --muted: #6a5f54;
  --accent: #d66a4b;
  --accent-2: #2c7a6d;
  --card: #ffffff;
  --stroke: rgba(29, 26, 22, 0.08);
  --shadow: 0 20px 45px rgba(29, 26, 22, 0.12);
  --font-body: "M PLUS 1p", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-display: "M PLUS 1p", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: linear-gradient(130deg, var(--bg-1), var(--bg-2));
  min-height: 100vh;
  font-size: 16px;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

body::before {
  background:
    radial-gradient(circle at 15% 20%, rgba(214, 106, 75, 0.18), transparent 55%),
    radial-gradient(circle at 80% 10%, rgba(44, 122, 109, 0.18), transparent 50%),
    radial-gradient(circle at 70% 85%, rgba(214, 106, 75, 0.12), transparent 55%);
}

body::after {
  background-image: radial-gradient(rgba(29, 26, 22, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.35;
}

main {
  position: relative;
  z-index: 1;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding: 28px 0 56px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 10px 30px rgba(29, 26, 22, 0.08);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 18px;
  margin: 20px 0 24px;
}

.hero h1 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  letter-spacing: 0.02em;
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.hero .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.stat {
  padding: 12px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 14px 30px rgba(29, 26, 22, 0.08);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 20px 0 24px;
}

.input,
.select {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--stroke);
  box-shadow: 0 10px 24px rgba(29, 26, 22, 0.08);
}

.input input,
.select select {
  border: none;
  background: transparent;
  font-size: 15px;
  width: 100%;
  color: var(--ink);
  outline: none;
  font-family: var(--font-body);
}

.select select {
  appearance: none;
  cursor: pointer;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}

.grid.single-column {
  grid-template-columns: 1fr;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 18px 20px;
  border-radius: 18px;
  background: var(--card);
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  transform: translateY(10px);
  opacity: 0;
  animation: floatIn 0.6s ease forwards;
  animation-delay: calc(var(--i, 0) * 0.04s);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(29, 26, 22, 0.18);
  border-color: rgba(214, 106, 75, 0.4);
}

.card .tag {
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(214, 106, 75, 0.12);
  color: var(--accent);
}

.card .title {
  font-size: 18px;
  font-weight: 600;
  word-break: break-word;
}

.card .subtitle {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
}

.card .cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-2);
  font-weight: 600;
}

.empty {
  margin: 28px 0 0;
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px dashed rgba(29, 26, 22, 0.2);
  color: var(--muted);
}

.login-card {
  max-width: 460px;
  margin: 30px auto 0;
  padding: 24px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
}

label {
  display: block;
  font-size: 13px;
  margin-bottom: 6px;
  color: var(--muted);
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--stroke);
  font-size: 15px;
  font-family: var(--font-body);
}

input[type="submit"],
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(120deg, var(--accent), #e0895f);
  color: white;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 16px 28px rgba(214, 106, 75, 0.25);
}

input[type="submit"]:hover,
.button:hover {
  filter: brightness(1.05);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: var(--accent-2);
  font-weight: 600;
  margin-bottom: 12px;
}

.note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
}

.note strong {
  color: var(--accent-2);
  font-weight: 600;
}

@keyframes floatIn {
  from {
    transform: translateY(14px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.to-top {
  position: fixed;
  right: 18px;
  bottom: 20px;
  z-index: 10;
  border: none;
  border-radius: 999px;
  padding: 10px 16px;
  background: rgba(29, 26, 22, 0.85);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  box-shadow: 0 12px 24px rgba(29, 26, 22, 0.2);
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 720px) {
  .grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}

@media (min-width: 880px) {
  .toolbar {
    grid-template-columns: 1.5fr 0.8fr 0.8fr;
  }
  .container {
    padding: 48px 0 72px;
  }
}