/* I-S3 業務ポータル — レイアウト・レスポンシブ用（Bootstrap 3 と併用） */

:root {
  --color-bg: #eef1f6;
  --color-surface: #ffffff;
  --color-text: #1c2533;
  --color-muted: #5a6570;
  --color-border: #dde3ea;
  --color-header-start: #0d3d2f;
  --color-header-end: #1a4a6e;
  --color-accent: #0d7a5f;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.08);
  --radius: 10px;
  --font-sans: system-ui, -apple-system, "Segoe UI", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  --space: 1rem;
  --max-content: 56rem;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body.site-body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--color-text);
  background: var(--color-bg);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: fixed;
  left: var(--space);
  top: var(--space);
  z-index: 10000;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  border-radius: 6px;
  clip: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(
    120deg,
    var(--color-header-start) 0%,
    var(--color-header-end) 100%
  );
  box-shadow: var(--shadow-md);
}

.site-header__inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.85rem var(--space);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-brand {
  color: #f8fafc;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.site-brand:hover,
.site-brand:focus {
  color: #fff;
  text-decoration: none;
}

.site-brand__sub {
  font-weight: 400;
  opacity: 0.92;
  margin-left: 0.35rem;
}

.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.site-main__inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 1.25rem var(--space) 2rem;
}

.site-main__inner .container {
  max-width: 100%;
}

.site-flash {
  max-width: var(--max-content);
  margin: 0 auto 1rem;
  padding: 0 var(--space);
}

.site-flash .alert {
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.site-nav {
  background: #e8ecf2;
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0 2.5rem;
}

.site-nav__inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 var(--space);
}

.site-nav__heading {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  color: var(--color-text);
}

.site-nav__hint {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.nav-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(
    auto-fill,
    minmax(min(100%, 17.5rem), 1fr)
  );
}

.nav-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 1rem 1.1rem;
}

.nav-card__title {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: #243044;
}

.nav-card__form {
  margin: 0;
}

.nav-select {
  width: 100%;
  min-height: 2.75rem;
  font-size: 1rem;
  border-radius: 8px;
  border: 1px solid #c5cdd8;
  padding: 0.4rem 0.6rem;
  background-color: #fff;
}

.nav-select:focus {
  border-color: var(--color-accent);
  outline: 2px solid rgba(13, 122, 95, 0.25);
  outline-offset: 1px;
}

.site-notice {
  margin-top: 1.5rem;
  padding: 1rem 1.15rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-muted);
}

.site-notice p {
  margin: 0 0 0.65rem;
}

.site-notice p:last-child {
  margin-bottom: 0;
}

.site-footer {
  flex-shrink: 0;
  background: #fff;
  border-top: 1px solid var(--color-border);
  padding: 1.25rem var(--space);
}

.site-footer__inner {
  max-width: 72rem;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.site-footer__copy {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.site-footer__addr {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.6;
}

/* トップ本文 */
.content-lead {
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem 1.35rem;
}

.content-lead .lead {
  margin-bottom: 0;
}

.login-card {
  max-width: 28rem;
  margin: 2rem auto;
  padding: 1.5rem;
  text-align: center;
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

/* 地図ページ */
.map-page .panel {
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.map-page .map-wrap {
  width: 100%;
  max-width: 100%;
  height: min(50vh, 420px);
  min-height: 280px;
  margin: 1rem 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.map-page .map-search {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.map-page .map-search input[type="text"] {
  flex: 1 1 12rem;
  min-width: 0;
  max-width: 100%;
}

/* レガシー .pagetitle（form 等で使用） */
.pagetitle {
  color: #5c2d91;
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

/* 既存 h1 スタイルの上書き（gen 外のページ向けに控えめ） */
body.site-body h1 {
  height: auto;
  min-height: 0;
  padding: 0;
  margin: 0 0 0.75rem;
  background: none;
  font-size: 1.5rem;
  color: var(--color-text);
}

body.site-body .site-main__inner > h1:first-child,
body.site-body .site-main__inner > h2:first-child {
  margin-top: 0;
}