/* サンプルサイト用スタイル（チャットボット動作確認用） */
:root {
  --ink: #1b2430;
  --sub: #5b6672;
  --line: #e6e9ee;
  --brand: #0f766e;
  --brand-dark: #115e59;
  --bg: #fff;
}
* { box-sizing: border-box; }
body {
  margin: 0; color: var(--ink); background: var(--bg); line-height: 1.9;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Noto Sans JP",
    "Yu Gothic UI", Meiryo, sans-serif;
}
a { color: var(--brand); }
img { max-width: 100%; }

.site-header {
  border-bottom: 1px solid var(--line); position: sticky; top: 0; background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(8px); z-index: 10;
}
.header-inner {
  max-width: 1040px; margin: 0 auto; padding: 14px 20px; display: flex; align-items: center;
  gap: 20px; flex-wrap: wrap;
}
.logo { font-weight: 800; font-size: 18px; text-decoration: none; color: var(--ink); }
.logo span { color: var(--brand); }
.gnav { display: flex; gap: 16px; margin-left: auto; flex-wrap: wrap; }
.gnav a { text-decoration: none; color: var(--sub); font-size: 14px; font-weight: 600; }
.gnav a:hover { color: var(--brand); }
.header-cta {
  background: var(--brand); color: #fff !important; padding: 8px 16px; border-radius: 8px;
  text-decoration: none; font-weight: 700; font-size: 14px;
}

.hero { background: linear-gradient(160deg, #ecfdf5, #f0f9ff); padding: 60px 20px; }
.hero-inner { max-width: 1040px; margin: 0 auto; }
.hero h1 { font-size: 32px; line-height: 1.5; margin: 0 0 14px; }
.hero p { font-size: 16px; color: var(--sub); max-width: 620px; }

main { max-width: 1040px; margin: 0 auto; padding: 44px 20px 70px; }
h2 { font-size: 23px; margin: 40px 0 14px; padding-bottom: 8px; border-bottom: 2px solid var(--line); }
h3 { font-size: 17px; margin: 26px 0 8px; }
p { margin: 0 0 14px; }
ul, ol { padding-left: 1.4em; }
li { margin: 4px 0; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin: 18px 0; }
.card {
  border: 1px solid var(--line); border-radius: 12px; padding: 18px;
}
.card h3 { margin-top: 0; }

table.spec { width: 100%; border-collapse: collapse; margin: 16px 0; }
table.spec th, table.spec td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; font-size: 14px; }
table.spec th { background: #f7f9fa; width: 30%; }

.cta-box {
  background: #f0fdfa; border: 1px solid #99f6e4; border-radius: 14px; padding: 24px;
  margin: 34px 0; text-align: center;
}
.cta-box h3 { margin-top: 0; }
.btn {
  display: inline-block; background: var(--brand); color: #fff; text-decoration: none;
  padding: 12px 26px; border-radius: 10px; font-weight: 700; border: 0; cursor: pointer;
  font-size: 15px; font-family: inherit;
}
.btn:hover { background: var(--brand-dark); }
.btn-outline { background: #fff; color: var(--brand); border: 2px solid var(--brand); }
.tel { font-size: 24px; font-weight: 800; color: var(--brand); text-decoration: none; }

.faq-item { border-bottom: 1px solid var(--line); padding: 16px 0; }
.faq-q { font-weight: 700; margin-bottom: 6px; }

form.contact { max-width: 560px; }
form.contact label { display: block; font-weight: 700; font-size: 14px; margin: 14px 0 4px; }
form.contact input, form.contact textarea, form.contact select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 15px; font-family: inherit;
}
form.contact textarea { min-height: 130px; }

.site-footer { border-top: 1px solid var(--line); background: #f7f9fa; padding: 30px 20px; }
.footer-inner { max-width: 1040px; margin: 0 auto; font-size: 13px; color: var(--sub); }
.footer-nav { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 10px; }

.note { background: #fffbeb; border-left: 4px solid #f59e0b; padding: 12px 16px; font-size: 13.5px; margin: 20px 0; }