/*
Theme Name: BNI Traning Site
Theme URI: https://example.com/
Author: Your Name
Author URI: https://example.com/
Description: BNI Training Calendar 向けのオリジナル（従来型）テーマ。
Version: 1.0.0
Requires at least: 5.0
Tested up to: 6.6
Requires PHP: 7.4
Text Domain: bni-traning-site
*/

:root {
  --bni-bg: #f6f7f7;
  --bni-surface: #ffffff;
  --bni-text: #111827;
  --bni-muted: #646970;
  --bni-border: #e5e7eb;
  --bni-primary: #cf2030;
  --bni-primary-strong: #a01825;
  --bni-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  --bni-radius: 12px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bni-bg);
  color: var(--bni-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  line-height: 1.6;
}

a { color: var(--bni-primary); text-decoration: none; }
a:hover { color: var(--bni-primary-strong); text-decoration: underline; }

.bni-site {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.bni-header {
  background: var(--bni-surface);
  border-bottom: 1px solid var(--bni-border);
  position: relative;
}

.bni-container {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
}

.bni-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.bni-menu-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--bni-border);
  background: #fff;
  color: var(--bni-text);
  border-radius: 12px;
  padding: 8px 10px;
  font-weight: 900;
  cursor: pointer;
}

.bni-menu-toggle-icon {
  width: 18px;
  height: 12px;
  display: inline-block;
  position: relative;
}

.bni-menu-toggle-icon::before,
.bni-menu-toggle-icon::after,
.bni-menu-toggle-icon {
  background: transparent;
}

.bni-menu-toggle-icon::before,
.bni-menu-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--bni-text);
  border-radius: 2px;
}

.bni-menu-toggle-icon::before { top: 0; }
.bni-menu-toggle-icon::after { bottom: 0; }
.bni-menu-toggle-icon {
  box-shadow: 0 5px 0 0 var(--bni-text);
}

.bni-menu-toggle:hover {
  background: #f3f4f6;
}

.bni-menu-toggle-text {
  font-size: 13px;
}

.bni-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.bni-brand-title {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--bni-text);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bni-nav ul {
    list-style: none;
    display: flex;
    gap: 10px;
    margin: 0;
    padding: 0;
    align-items: center;
}

.bni-nav .page_item a,
.bni-nav .menu-item a {
  display: inline-flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--bni-text);
  font-weight: 700;
  text-decoration: none;
}

.bni-nav .page_item a:hover,
.bni-nav .menu-item a:hover {
  background: #f3f4f6;
  text-decoration: none;
}

.bni-nav .current_page_item > a,
.bni-nav .current-menu-item > a {
  background: #fcf0f0;
  color: var(--bni-primary);
}

.bni-nav a {
  display: inline-flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--bni-text);
  font-weight: 700;
  text-decoration: none;
}

.bni-nav a:hover {
  background: #f3f4f6;
  text-decoration: none;
}

.bni-main {
  flex: 1;
  padding: 22px 0 36px;
}

.bni-page-narrow {
  max-width: 860px;
  margin: 0 auto;
}

.bni-intro {
  margin: 0 0 14px 0;
}

.bni-intro-title {
  margin: 0 0 6px 0;
  font-size: 28px;
  line-height: 1.25;
  font-weight: 900;
}

.bni-intro-text {
  margin: 0;
  color: var(--bni-muted);
  font-size: 14px;
}

.bni-hero {
  background: var(--bni-surface);
  border: 1px solid var(--bni-border);
  border-radius: var(--bni-radius);
  box-shadow: var(--bni-shadow);
  padding: 18px;
  margin-bottom: 16px;
}

.bni-hero h1 {
  margin: 0 0 6px 0;
  font-size: 28px;
  line-height: 1.25;
  font-weight: 900;
}

.bni-hero p {
  margin: 0;
  color: var(--bni-muted);
  font-size: 14px;
}

.bni-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.bni-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--bni-border);
  background: var(--bni-surface);
  color: var(--bni-text);
  font-weight: 900;
  text-decoration: none;
}

.bni-btn-primary {
  background: var(--bni-primary);
  border-color: var(--bni-primary);
  color: #fff;
}

.bni-btn-primary:hover {
  background: var(--bni-primary-strong);
  border-color: var(--bni-primary-strong);
  color: #fff;
  text-decoration: none;
}

.bni-btn:hover {
  text-decoration: none;
  filter: brightness(0.98);
}

.bni-page-title {
  margin: 0 0 12px 0;
  font-size: 22px;
  font-weight: 900;
}

.bni-footer {
  background: var(--bni-surface);
  border-top: 1px solid var(--bni-border);
  padding: 18px 0;
  color: var(--bni-muted);
  font-size: 12px;
}

@media (max-width: 767px) {
  .bni-container { width: calc(100% - 24px); }
  .bni-header-inner { padding: 12px 0; }
  .bni-hero h1 { font-size: 22px; }
  .bni-intro-title { font-size: 22px; }
  .bni-nav ul { gap: 6px; }
  .bni-nav a { padding: 8px 8px; font-size: 13px; }

  .bni-menu-toggle { display: inline-flex; }

  .bni-nav {
    position: absolute;
    left: 12px;
    right: 12px;
    top: 62px;
    background: #fff;
    border: 1px solid var(--bni-border);
    border-radius: 14px;
    box-shadow: var(--bni-shadow);
    padding: 10px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: max-height 0.25s ease, opacity 0.2s ease;
    z-index: 9999;
  }

  .bni-nav.is-open {
    max-height: 70vh;
    overflow: auto;
    opacity: 1;
    pointer-events: auto;
  }

  .bni-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .bni-nav .page_item a,
  .bni-nav .menu-item a,
  .bni-nav a {
    width: 100%;
    justify-content: flex-start;
  }
}