@charset "UTF-8";

:root {
  --bg: #f8fafc;
  --panel: #ffffff;
  --soft: #f1f5f9;
  --border: #dbe4ef;
  --text: #1e293b;
  --muted: #64748b;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --active: #fff7ed;
  --active-border: #fdba74;
  --shadow: 0 18px 40px rgba(15, 23, 42, .08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.7;
}

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

.campaign-page {
  padding: 48px 20px 72px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: .9rem;
}

.breadcrumb a {
  color: var(--primary);
}

.campaign-shell {
  padding: 32px 28px 40px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.page-header {
  margin-bottom: 34px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--primary);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 2vw, 2.8rem);
  line-height: 1.3;
}

.campaign-section+.campaign-section {
  margin-top: 44px;
}

.campaign-section h2 {
  margin: 0 0 20px;
  padding: 0 0 0 14px;
  border-left: 5px solid var(--primary);
  font-size: 1.45rem;
}

.campaign-list {
  display: grid;
  gap: 16px;
}

.campaign-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 24px;
  background: var(--soft);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.campaign-card-active {
  background: var(--active);
  border-color: var(--active-border);
}

.campaign-card-content {
  min-width: 0;
}

.campaign-status {
  display: inline-block;
  margin: 0 0 8px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #f97316;
  color: #fff;
  font-size: .8rem;
  font-weight: 700;
}

.campaign-card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  line-height: 1.5;
}

.campaign-card p {
  margin: 0 0 8px;
  color: var(--muted);
}

.campaign-card .campaign-period {
  margin-bottom: 0;
  color: var(--text);
  font-weight: 700;
}

.campaign-button {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  padding: 12px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-weight: 700;
  box-shadow: 0 10px 20px rgba(37, 99, 235, .16);
  transition: transform .2s ease, box-shadow .2s ease;
}

.campaign-button:visited {
  color: #fff;
}

.campaign-button:hover,
.campaign-button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(37, 99, 235, .24);
}

@media (max-width: 700px) {
  .campaign-page {
    padding: 32px 16px 56px;
  }

  .campaign-shell {
    padding: 24px 16px 28px;
  }

  .campaign-card {
    align-items: stretch;
    flex-direction: column;
    gap: 18px;
    padding: 18px 16px;
  }

  .campaign-button {
    width: 100%;
  }
}