/* デザインは「リンゴおばけの英語」（yukiyamada-who-loves-yoga/ringo-obake-eigo）がベース */
:root {
  --color-bg: #f5f0f0;
  --color-surface: #ffffff;
  --color-ink: #2d2d2d;
  --color-muted: #666666;
  --color-pink: #e8a5b8;
  --color-pink-strong: #d48ba8;
  --color-teal: #7bc4c4;
  --color-teal-strong: #6ab3b3;
  --color-yellow: #f5d982;
  --color-lavender: #b8a8e8;
  --color-orange: #e8a87c;
  --color-coral: #ff9999;
  --border-thick: 3px solid var(--color-ink);
  --border-thin: 2px solid var(--color-ink);
  --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --max-width: 1080px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, system-ui, sans-serif;
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.8;
}

img { max-width: 100%; height: auto; }

a { color: inherit; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

/* ヘッダー：色帯＋太い下線 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-teal);
  border-bottom: var(--border-thick);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  text-decoration: none;
}

.logo img {
  background: var(--color-surface);
  border: var(--border-thin);
  border-radius: 8px;
  padding: 2px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
  font-weight: 700;
}

.nav a {
  display: inline-block;
  padding: 2px 10px;
  text-decoration: none;
  border: 2px solid transparent;
}

.nav a:hover {
  background: var(--color-yellow);
  border: var(--border-thin);
}

/* ヒーロー：暖色グラデーション */
.hero {
  padding: 88px 0;
  background: linear-gradient(135deg, #fff7ed 0%, #fffbeb 50%, #fefce8 100%);
  border-bottom: var(--border-thick);
}

.eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 0 12px;
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  background: var(--color-yellow);
  border: var(--border-thin);
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 900;
  line-height: 1.3;
  color: #7c2d12;
}

h2 {
  margin: 0 0 32px;
  font-size: clamp(1.5rem, 4vw, 1.75rem);
  font-weight: 700;
  text-align: center;
}

h3 { margin: 0 0 8px; font-size: 1.1rem; font-weight: 700; }

.lead {
  max-width: 40em;
  margin: 0 0 32px;
  font-size: 1.05rem;
  color: #9a3412;
}

/* ボタン：角ばったパステル＋太枠 */
.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  background: var(--color-pink);
  color: var(--color-ink);
  border: var(--border-thin);
  font-weight: 900;
  text-decoration: none;
  word-break: break-all;
  box-shadow: 4px 4px 0 var(--color-ink);
  transition: transform 0.15s, box-shadow 0.15s;
}

.button:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--color-ink);
}

.button-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 12px;
  background: var(--color-yellow);
  font-size: 0.75rem;
}

.section { padding: 72px 0; }
.section-alt { background: var(--color-surface); border-top: var(--border-thick); border-bottom: var(--border-thick); }

.panel {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px;
  background: var(--color-surface);
  border: var(--border-thick);
  box-shadow: var(--shadow);
}

.panel p { margin: 0; }

/* カード：白地＋太枠＋色ラベル */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  background: var(--color-surface);
  border: var(--border-thick);
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

a.card { text-decoration: none; }

.card:hover {
  transform: scale(1.02);
  box-shadow: 0 0 0 6px var(--color-teal), var(--shadow);
}

.card-label {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding: 0 12px;
  border: var(--border-thin);
  font-size: 0.75rem;
  font-weight: 900;
}

.card p { margin: 0; font-size: 0.9rem; }

.bg-pink { background: var(--color-pink); }
.bg-teal { background: var(--color-teal); }
.bg-yellow { background: var(--color-yellow); }
.bg-lavender { background: var(--color-lavender); }
.bg-orange { background: var(--color-orange); }
.bg-coral { background: var(--color-coral); }

.company {
  display: grid;
  grid-template-columns: 8em 1fr;
  max-width: 760px;
  margin: 0 auto;
  background: var(--color-surface);
  border: var(--border-thick);
  box-shadow: var(--shadow);
}

.company dt, .company dd {
  margin: 0;
  padding: 14px 16px;
  border-bottom: var(--border-thin);
}

.company dt { font-weight: 900; background: var(--color-yellow); border-right: var(--border-thin); }
.company dt:last-of-type, .company dd:last-of-type { border-bottom: none; }

@media (max-width: 560px) {
  .company { grid-template-columns: 1fr; }
  .company dt { border-right: none; }
}

.contact { text-align: center; }
.contact p { margin: 0 0 24px; }

.site-footer {
  padding: 24px 0;
  background: var(--color-pink);
  border-top: var(--border-thick);
  font-weight: 700;
  text-align: center;
}

.notfound { min-height: 100vh; display: flex; align-items: center; text-align: center; }
.notfound h1 { color: var(--color-ink); }
#contact { border-bottom: none; }