/* 案A「静かな検索型」。配色は計画書 2章 */
:root {
  --green: #00573B;
  --green-dark: #003F2A;
  --green-tint: #E6F0EB;
  --ink: #222222;
  --text: #333333;
  --sub: #5C5C5C;
  --line: #DDDDDD;
  --field: #B5B5B5;
  --band: #FCFAFA;
  --white: #FFFFFF;
  --warn-bg: #FFF8E6;
  --warn-line: #E8D29A;
  --warn-text: #4A3B12;
  --error: #B42318;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
}
a { color: var(--green); }
a:hover { color: var(--green-dark); }
:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 860px; margin: 0 auto; padding: 0 24px; }
.wrap-form { max-width: 720px; margin: 0 auto; padding: 0 24px; }

/* ヘッダー・フッター */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding-top: 16px; padding-bottom: 16px; }
.logo { display: block; line-height: 0; }
.logo img { height: 44px; width: auto; }
.site-nav { display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 15px; }
.site-nav a { text-decoration: none; padding: 10px 0; }
.site-nav a[aria-current="page"] { font-weight: 700; }
.site-footer { border-top: 1px solid var(--line); background: var(--band); margin-top: 72px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 32px; padding-bottom: 32px; font-size: 13px; color: var(--sub); }
.site-footer .links { display: flex; flex-wrap: wrap; gap: 20px; }

/* ボタン */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 28px; border: 1px solid var(--green); border-radius: 8px; background: var(--green); color: var(--white); font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--green-dark); color: var(--white); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-outline { background: var(--white); color: var(--green); }
.btn-outline:hover { background: var(--green-tint); color: var(--green-dark); }

/* トップ */
.hero { text-align: center; padding: 88px 0 64px; }
.hero .eyebrow { margin: 0 0 16px; font-size: 14px; color: var(--sub); letter-spacing: 0.12em; }
.hero h1 { margin: 0 0 20px; font-size: clamp(28px, 5vw, 40px); line-height: 1.4; }
.hero .lead { margin: 0 0 36px; font-size: 17px; color: var(--text); }
.hero-search { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.hero-search input { flex: 1 1 320px; max-width: 520px; height: 56px; padding: 0 20px; font: inherit; font-size: 16px; border: 1px solid var(--field); border-radius: 28px; }
.hero-search .btn { min-height: 56px; border-radius: 28px; }
.hero .scope { margin: 20px 0 0; font-size: 14px; color: var(--sub); }
.band { background: var(--band); }
.entrances { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; padding: 56px 0; }
.entrance { display: block; padding: 28px; background: var(--white); border: 1px solid var(--line); border-radius: 12px; text-decoration: none; color: var(--ink); }
.entrance strong { display: block; font-size: 19px; margin-bottom: 8px; }
.entrance span { color: var(--text); font-size: 15px; }
.entrance.primary { background: var(--green); border-color: var(--green); color: var(--white); }
.entrance.primary span { color: var(--white); }
.entrance.primary:hover { background: var(--green-dark); }
.cases { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 0 32px; }
.cases li { padding: 14px 0; border-bottom: 1px solid var(--line); }
.section { padding: 64px 0 0; }
.section h2 { margin: 0 0 24px; font-size: 24px; }
.center { text-align: center; }

/* 本文ページ */
.page { padding-top: 48px; }
.page h1 { margin: 0 0 8px; font-size: 30px; }
.page .intro { margin: 0 0 28px; color: var(--text); }

/* フォーム部品 */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label, .field .label { font-size: 15px; font-weight: 500; }
.field input, .field select, .field textarea { min-height: 48px; padding: 0 12px; font: inherit; font-size: 16px; color: var(--ink); background: var(--white); border: 1px solid var(--field); border-radius: 8px; }
.field textarea { padding: 12px; line-height: 1.7; }
.field .hint { margin: 0; font-size: 14px; color: var(--sub); }
.field .error { margin: 0; font-size: 14px; color: var(--error); }
.field [aria-invalid="true"] { border-color: var(--error); }
.tag { display: inline-block; margin-left: 6px; padding: 0 6px; border-radius: 4px; font-size: 12px; font-weight: 500; vertical-align: 1px; }
.tag-required { background: var(--green); color: var(--white); }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.check { display: flex; align-items: center; gap: 10px; min-height: 44px; }
.check input { width: 20px; height: 20px; }

/* 寸法検索 */
.search-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; align-items: end; padding: 24px; background: var(--band); border: 1px solid var(--line); border-radius: 12px; }
.notice { margin: 28px 0 20px; padding: 16px 20px; background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: 8px; font-size: 14px; color: var(--warn-text); }
.notice p { margin: 0; }
.status { margin: 0 0 12px; font-size: 15px; }
.table-box { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
.results { width: 100%; min-width: 600px; border-collapse: collapse; font-size: 15px; }
.results th { padding: 12px 16px; text-align: left; font-weight: 500; background: var(--band); }
.results td { padding: 12px 16px; border-top: 1px solid var(--line); }
.results .num { text-align: right; font-variant-numeric: tabular-nums; }
.results .code { font-weight: 700; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; background: var(--green-tint); color: var(--green-dark); font-size: 13px; font-weight: 500; }
.cta-box { margin-top: 40px; padding: 28px; border: 1px solid var(--line); border-radius: 12px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.cta-box p { margin: 0; }

/* フォーム画面 */
.from-search { margin: 0 0 24px; padding: 14px 18px; background: var(--green-tint); border-radius: 8px; font-size: 14px; color: var(--green-dark); }
.contact-form { display: flex; flex-direction: column; gap: 22px; }
.optional { margin: 0; padding: 22px; border: 1px solid var(--line); border-radius: 12px; display: flex; flex-direction: column; gap: 18px; }
.optional legend { padding: 0 8px; font-weight: 700; }
.radio-row { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.turnstile-slot { min-height: 66px; }
.form-message { margin: 0; padding: 16px 20px; border-radius: 8px; font-size: 15px; }
.form-message.error { background: #FDECEA; color: var(--error); }
.form-message.unknown { background: var(--warn-bg); color: var(--warn-text); border: 1px solid var(--warn-line); }
.fallback { margin: 0; font-size: 14px; color: var(--sub); text-align: center; }

@media (max-width: 600px) {
  .hero { padding: 56px 0 40px; }
  .page h1 { font-size: 24px; }
}