/* KanriPress Vitals DEMO — 意図的に "普通の WP テーマっぽい" デザイン。
   LCP / CLS / INP を意図的に発生させる挙動は CSS には書かず JS 側で起こす。 */

:root {
  --green-700: #14532d;       /* WCAG AAA on white */
  --green-600: #16a34a;
  --green-50:  #f0fdf4;
  --gray-900:  #0f172a;
  --gray-700:  #1f2937;       /* darker for body text — contrast 14:1 on white */
  --gray-600:  #334155;
  --gray-500:  #475569;       /* used to be #64748b but failed contrast on hints */
  --gray-200:  #cbd5e1;       /* slightly darker so borders are visible */
  --gray-100:  #f1f5f9;
  --gray-50:   #f8fafc;
  --radius:    10px;
  --shadow:    0 4px 14px rgba(15,23,42,0.08);
  --focus:     #2563eb;       /* high-visibility focus ring (AAA contrast on white & green) */
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  color: var(--gray-900);
  background: var(--gray-50);
  line-height: 1.7;
}

a { color: var(--green-700); text-decoration: underline; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

/* ナビ / ボタンは「下線なし」が標準 UX。色とコンテナで識別する。 */
.topbar-nav a,
.btn,
.brand,
.skip-link { text-decoration: none; }
/* .topbar-nav a に色指定があるため、内側の btn-primary の白文字が specificity 負けする。
   緑背景 + 黒文字で WCAG 違反になるので明示的に再指定。 */
.topbar-nav a { color: var(--gray-900); }
.topbar-nav a.btn-primary { color: #fff; }
.topbar-nav a.btn-primary:hover { color: #fff; }
.topbar-nav a:not(.btn-primary):hover { color: var(--green-700); }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}
.btn:focus-visible { outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

code {
  background: var(--gray-100);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.875em;
}

.skip-link {
  position: absolute; left: -9999px;
}
.skip-link:focus {
  left: 16px; top: 16px;
  background: var(--gray-900); color: #fff; padding: 8px 12px; border-radius: 6px;
  z-index: 100;
}

/* ---------- Topbar ---------- */
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  position: sticky; top: 0; z-index: 10;
}
.topbar-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; color: var(--green-700);
  font-size: 1.05rem;
}
.topbar-nav {
  display: flex; gap: 18px; align-items: center; flex-wrap: wrap;
}
.topbar-nav a { color: var(--gray-700); font-size: 0.95rem; }
.topbar-nav a:hover { color: var(--green-700); text-decoration: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.05s, background 0.15s;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--green-600); color: #fff; }
.btn-primary:hover { background: var(--green-700); color: #fff; }
.btn-ghost   { background: transparent; color: var(--gray-700); border-color: var(--gray-200); }
.btn-ghost:hover { background: var(--gray-100); color: var(--gray-900); }
.btn-lg { padding: 13px 22px; font-size: 1rem; }

/* ---------- Main / Sections ---------- */
main { max-width: 1080px; margin: 0 auto; padding: 32px 20px; }

.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 28px;
  align-items: center;
  padding: 30px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
  margin-bottom: 28px;
}
.eyebrow {
  display: inline-block;
  background: var(--green-50);
  color: var(--green-700);
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 3px 12px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.hero h1 {
  font-size: 1.85rem;
  line-height: 1.45;
  margin: 14px 0 12px;
  /* 日本語の単語境界を尊重して「対象で/す」のような分断を避ける。
     英単語は overflow-wrap で許可。 */
  word-break: keep-all;
  overflow-wrap: anywhere;
  line-break: strict;
}
.hero p {
  color: var(--gray-700);
  margin: 0 0 22px;
  word-break: keep-all;
  overflow-wrap: anywhere;
  line-break: strict;
}
.hero-cta { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-img {
  /* width/height 属性を index.html で指定しなくても CSS で aspect-ratio は固定。
     ただし demo 用に LCP を発生させたいので 100% 表示 + lazy 無し。 */
  width: 100%;
  height: auto;
  max-width: 480px;
  border-radius: var(--radius);
  background: var(--gray-100);
}

.card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
  padding: 26px;
  margin-bottom: 24px;
}
.card h2 {
  margin-top: 0;
  font-size: 1.3rem;
  word-break: keep-all;
  overflow-wrap: anywhere;
  line-break: strict;
}
.card p { word-break: keep-all; overflow-wrap: anywhere; line-break: strict; }
.hint {
  color: var(--gray-700);          /* 旧 gray-500 ではコントラスト不足 (4.5:1 切り) */
  font-size: 0.9375rem;            /* 旧 0.875rem を上げて読みやすく */
  margin: 16px 0 0;
  border-left: 4px solid var(--green-600);
  padding: 4px 0 4px 12px;
  background: var(--gray-50);
  border-radius: 0 6px 6px 0;
}

.form-row {
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
}

.inp-result {
  font-family: ui-monospace, SFMono-Regular, "Cascadia Mono", "Roboto Mono", monospace;
  color: var(--gray-700);
  font-size: 0.9rem;
}

.cls-banner {
  margin-top: 18px;
  background: linear-gradient(135deg, #fef3c7 0%, #fcd34d 100%);
  color: #78350f;
  padding: 16px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  border: 1px solid #b45309;
  animation: cls-slide-in 0.4s ease-out;
  word-break: keep-all;
  overflow-wrap: anywhere;
  line-break: strict;
}
@keyframes cls-slide-in {
  from { transform: translateY(-8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.cta {
  background: linear-gradient(135deg, var(--green-700), var(--green-600));
  color: #fff;
  text-align: center;
  padding: 40px 22px;
  border-radius: var(--radius);
  margin-bottom: 24px;
}
.cta h2 { margin-top: 0; }
.cta .btn-primary { background: #fff; color: var(--green-700); }
.cta .btn-primary:hover { background: var(--green-50); color: var(--green-700); }

/* ---------- Tables (商品一覧ページ用) ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.product {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.product img {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--gray-100);
  border-radius: 6px;
  object-fit: cover;
}
.product h3 { font-size: 1rem; margin: 12px 0 4px; }
.product .price { color: var(--green-700); font-weight: 700; }

/* ---------- About page ---------- */
.about-section {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

/* ---------- Footer ---------- */
.footer {
  background: #fff;
  border-top: 1px solid var(--gray-200);
  margin-top: 40px;
  padding: 24px 20px;
}
.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--gray-700);   /* AAA 確保 */
  flex-wrap: wrap;
  font-size: 0.9rem;
}

/* ---------- Mobile ---------- */
@media (max-width: 720px) {
  .hero { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.5rem; }
  .topbar-nav { gap: 12px; font-size: 0.875rem; }
}