/* ============================
   ThisDay — 共通スタイル
   ============================ */

:root {
  --color-main:  #FF6B57;
  --color-dark:  #12162B;
  --color-mid:   #6B7280;
  --color-light: #E5E7EB;
  --color-bg:    #FFF7F2;
  --radius:      12px;
  --max-w:       900px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  background: var(--color-bg);
  color: var(--color-dark);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-main); }

/* ── ヘッダー ── */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-light);
  height: 64px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-logo a { display: flex; align-items: center; text-decoration: none; }

.site-logo img {
  height: 40px;
  width: auto;
  max-width: none; /* グローバルの max-width:100% を打ち消す */
}

.logo-fallback {
  font-family: 'Inter', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: -0.02em;
}
.logo-fallback span { color: var(--color-main); }

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
}

.site-nav a {
  text-decoration: none;
  color: var(--color-dark);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.site-nav a:hover,
.site-nav a.active { color: var(--color-main); }

.hamburger { display: none; }

/* ── メイン ── */
main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px 24px 96px;
}

/* ── フッター ── */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  text-align: center;
  padding: 36px 24px;
  font-size: 0.8rem;
  line-height: 2;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
  margin-bottom: 16px;
}

.site-footer a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color 0.2s;
}
.site-footer a:hover { color: var(--color-main); }

.copyright { color: rgba(255,255,255,0.4); font-size: 0.75rem; }

/* ── ヒーロー ── */
.hero {
  background: linear-gradient(145deg, #fff5f3 0%, #ffffff 100%);
  border: 1px solid var(--color-light);
  border-radius: var(--radius);
  padding: 64px 40px;
  text-align: center;
  margin-bottom: 64px;
}

.hero-eyebrow {
  display: inline-block;
  background: #fde8e4;
  color: var(--color-main);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 14px;
  border-radius: 9999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 16px;
}

.hero h1 em { font-style: normal; color: var(--color-main); }

.hero p {
  color: var(--color-mid);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto 36px;
}

/* ── ボタン ── */
.btn-primary {
  display: inline-block;
  background: var(--color-main);
  color: #fff;
  padding: 14px 36px;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-1px); color: #fff; }

.btn-outline {
  display: inline-block;
  border: 2px solid var(--color-main);
  color: var(--color-main);
  padding: 12px 32px;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}
.btn-outline:hover { background: var(--color-main); color: #fff; }

/* ── セクション ── */
.section { margin-bottom: 64px; }

.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.section-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
}

.section-line {
  flex: 1;
  height: 1px;
  background: var(--color-light);
}

.section-accent {
  display: inline-block;
  width: 4px;
  height: 1.25rem;
  background: var(--color-main);
  border-radius: 2px;
  flex-shrink: 0;
}

/* ── カード ── */
.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--color-light);
  margin-bottom: 20px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card-icon {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.card p {
  font-size: 0.875rem;
  color: var(--color-mid);
  line-height: 1.7;
}

/* ── ページヘッダー ── */
.page-header {
  text-align: center;
  margin-bottom: 48px;
}

.page-header h1 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  margin-bottom: 8px;
}

.page-header .page-sub {
  color: var(--color-mid);
  font-size: 0.9rem;
}

/* ── About / 運営情報 ── */
.about-section {
  margin-bottom: 48px;
}

.about-section h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-left: 14px;
  border-left: 3px solid var(--color-main);
}

.about-section p {
  font-size: 0.9375rem;
  color: #374151;
  line-height: 1.9;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.info-table th,
.info-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-light);
  vertical-align: top;
  text-align: left;
}

.info-table th {
  color: var(--color-mid);
  font-weight: 500;
  width: 10rem;
  white-space: nowrap;
}

/* ── プライバシーポリシー ── */
.privacy-toc {
  background: #fff;
  border: 1px solid var(--color-light);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 40px;
  font-size: 0.875rem;
}

.privacy-toc p {
  font-weight: 600;
  margin-bottom: 10px;
}

.privacy-toc ol {
  padding-left: 1.25rem;
  line-height: 2;
}

.privacy-toc a {
  color: var(--color-dark);
  text-decoration: none;
}
.privacy-toc a:hover { color: var(--color-main); }

.privacy-block {
  margin-bottom: 40px;
}

.privacy-block h2 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-light);
}

.privacy-block p {
  font-size: 0.875rem;
  color: #374151;
  margin-bottom: 10px;
  line-height: 1.9;
}

.privacy-block ul {
  padding-left: 1.25rem;
  font-size: 0.875rem;
  color: #374151;
  line-height: 2;
}

/* ── お問い合わせフォーム ── */
.contact-form {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px;
  border: 1px solid var(--color-light);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group .required {
  display: inline-block;
  background: var(--color-main);
  color: #fff;
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-light);
  border-radius: 8px;
  font-size: 0.9375rem;
  font-family: inherit;
  background: #fafafa;
  transition: border-color 0.2s, background 0.2s;
  outline: none;
  color: var(--color-dark);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-main);
  background: #fff;
}

.form-group textarea {
  resize: vertical;
  min-height: 160px;
}

.form-note {
  font-size: 0.8rem;
  color: var(--color-mid);
  margin-top: 6px;
}

.error-box {
  background: #fff1f0;
  border: 1.5px solid #fca5a5;
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.875rem;
  color: #b91c1c;
  margin-bottom: 24px;
  line-height: 1.8;
}

.error-box ul { padding-left: 1.25rem; }

.thanks-box {
  background: #f0fdf4;
  border: 1.5px solid #86efac;
  border-radius: var(--radius);
  padding: 48px 32px;
  text-align: center;
}

.thanks-box .thanks-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.thanks-box h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #15803d;
  margin-bottom: 8px;
}

.thanks-box p {
  color: var(--color-mid);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

/* ── ユーティリティ ── */
.text-muted { color: var(--color-mid); }
.mt-8  { margin-top:  8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.text-center { text-align: center; }

/* ── レスポンシブ ── */
@media (max-width: 640px) {
  .site-header { padding: 0 20px; }
  .site-nav { display: none; }
  .hero { padding: 44px 24px; }
  main { padding: 40px 16px 72px; }
  .contact-form { padding: 28px 20px; }
  .card { padding: 24px 20px; }
}