/**
 * こころの集い — ベーススタイル
 */

:root {
  --k-bg: #f3f0eb;
  --k-bg-soft: #e8efec;
  --k-surface: #ffffff;
  --k-ink: #1a2220;
  --k-ink-muted: #3d4a47;
  --k-ink-light: #576562;
  --k-ink-meta: #4a5855;
  --k-primary: #4f7a73;
  --k-primary-hover: #3d635d;
  --k-primary-soft: #d4e6e1;
  --k-accent: #b8786a;
  --k-accent-soft: #f5e8e4;
  --k-line: rgba(26, 34, 32, 0.14);
  --k-shadow: 0 4px 24px rgba(26, 34, 32, 0.08);
  --k-radius: 16px;
  --k-radius-sm: 10px;
  --k-font-sans: "Noto Sans JP", system-ui, sans-serif;
  --k-font-serif: "Noto Serif JP", serif;
  --k-content-max: 1080px;
  --k-header-height: 68px;
}

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

body.kokoro-sns-theme {
  margin: 0;
  font-family: var(--k-font-sans);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.75;
  color: var(--k-ink);
  background: var(--k-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--k-primary-hover);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--k-primary);
}

/* --- 背景 --- */
.kokoro-page-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.kokoro-page-bg__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(95, 143, 135, 0.12) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 100% 80%, rgba(201, 137, 122, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 40% 35% at 0% 60%, rgba(95, 143, 135, 0.06) 0%, transparent 45%);
}

/* --- ヘッダー --- */
.kokoro-site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(249, 247, 244, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--k-line);
}

.admin-bar .kokoro-site-header {
  top: 32px;
}

.kokoro-site-header__inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  max-width: var(--k-content-max);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  min-height: var(--k-header-height);
}

.kokoro-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}

.kokoro-logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--k-primary) 0%, var(--k-primary-hover) 100%);
  color: #fff;
}

.kokoro-logo__text {
  font-family: var(--k-font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.kokoro-logo .custom-logo-link img {
  max-height: 44px;
  width: auto;
}

.kokoro-header-nav {
  flex: 1;
  min-width: 0;
}

.kokoro-header-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.kokoro-header-nav__list a {
  text-decoration: none;
  font-weight: 500;
  color: var(--k-ink-muted);
  font-size: 0.95rem;
}

.kokoro-header-nav__list a:hover {
  color: var(--k-primary-hover);
}

.kokoro-header-auth {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* --- ボタン --- */
.kokoro-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.65rem 1.35rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: filter 0.15s ease, box-shadow 0.15s ease;
}

.kokoro-btn--sm {
  padding: 0.45rem 1rem;
  font-size: 0.875rem;
}

.kokoro-btn--lg {
  padding: 0.85rem 2rem;
  font-size: 1.05rem;
}

.kokoro-btn--primary {
  background: linear-gradient(145deg, #72a59d 0%, var(--k-primary) 50%, var(--k-primary-hover) 100%);
  color: #fff !important;
  border-color: var(--k-primary-hover);
  box-shadow: 0 2px 10px rgba(95, 143, 135, 0.25);
}

.kokoro-btn--primary:hover {
  filter: brightness(1.04);
  color: #fff !important;
}

.kokoro-btn--secondary {
  background: var(--k-surface);
  color: var(--k-primary-hover) !important;
  border-color: rgba(95, 143, 135, 0.35);
}

.kokoro-btn--ghost {
  background: transparent;
  color: var(--k-ink-muted) !important;
  border-color: var(--k-line);
}

/* --- レイアウト --- */
.site {
  position: relative;
  z-index: 1;
}

.kokoro-main {
  max-width: var(--k-content-max);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.kokoro-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--k-line);
  border-radius: var(--k-radius);
  box-shadow: var(--k-shadow);
  padding: 1.5rem;
}

.kokoro-section-title {
  font-family: var(--k-font-serif);
  font-size: clamp(1.35rem, 3vw, 1.65rem);
  font-weight: 600;
  text-align: center;
  margin: 0 0 1.75rem;
  color: var(--k-ink);
}

/* --- ヒーロー --- */
.kokoro-hero {
  text-align: center;
  padding: 2.5rem 1rem 3rem;
  margin-bottom: 2.5rem;
}

.kokoro-hero__eyebrow {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--k-primary);
  letter-spacing: 0.06em;
  margin: 0 0 0.75rem;
}

.kokoro-hero__title {
  font-family: var(--k-font-serif);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 1rem;
  color: var(--k-ink);
}

.kokoro-hero__lead {
  font-size: 1.05rem;
  color: var(--k-ink-muted);
  max-width: 36em;
  margin: 0 auto 1.75rem;
}

.kokoro-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* --- 対象者 --- */
.kokoro-audience {
  margin-bottom: 3rem;
}

.kokoro-audience__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.kokoro-audience-card {
  text-align: center;
  padding: 1.75rem 1.25rem;
}

.kokoro-audience-card__icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.75rem;
}

.kokoro-audience-card h3 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  color: var(--k-primary-hover);
}

.kokoro-audience-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--k-ink-muted);
}

/* --- 機能 --- */
.kokoro-features {
  margin-bottom: 3rem;
}

.kokoro-features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.kokoro-feature-card {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.kokoro-feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(47, 56, 54, 0.1);
}

.kokoro-feature-card__icon {
  font-size: 1.75rem;
  display: block;
  margin-bottom: 0.5rem;
}

.kokoro-feature-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  color: var(--k-primary-hover);
}

.kokoro-feature-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--k-ink-muted);
}

/* --- 価値観 --- */
.kokoro-values {
  margin-bottom: 3rem;
  padding: 2rem;
}

.kokoro-values__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.kokoro-values__list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--k-line);
  color: var(--k-ink-muted);
}

.kokoro-values__list li:last-child {
  border-bottom: none;
}

.kokoro-values__list strong {
  color: var(--k-primary-hover);
}

/* --- CTA --- */
.kokoro-cta {
  text-align: center;
  padding: 2.5rem 1rem;
}

.kokoro-cta__title {
  font-family: var(--k-font-serif);
  font-size: 1.5rem;
  margin: 0 0 1.25rem;
}

/* --- 投稿 --- */
.kokoro-post__title {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
}

.kokoro-post__title a {
  text-decoration: none;
  color: inherit;
}

.kokoro-post__meta {
  font-size: 0.875rem;
  color: var(--k-ink-light);
  margin-bottom: 1rem;
}

.kokoro-empty {
  text-align: center;
  padding: 3rem 1.5rem;
}

/* --- フッター --- */
.kokoro-site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--k-line);
  background: rgba(255, 255, 255, 0.85);
  padding: 1.5rem 1.25rem;
}

.kokoro-site-footer__inner {
  max-width: var(--k-content-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.kokoro-site-footer__copy {
  margin: 0;
  font-size: 0.875rem;
  color: var(--k-ink-light);
}

.kokoro-footer-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.kokoro-footer-nav__list a {
  font-size: 0.875rem;
  text-decoration: none;
}

/* --- レスポンシブ --- */
@media (min-width: 769px) {
  .kokoro-nav-toggle {
    display: none;
  }

  .kokoro-logo {
    order: 1;
  }

  .kokoro-header-nav {
    order: 2;
    flex: 1;
    min-width: 0;
  }

  .kokoro-header-auth {
    order: 3;
  }
}

@media (max-width: 768px) {
  .kokoro-site-header__inner {
    position: relative;
    flex-wrap: nowrap;
  }
}

@media (max-width: 782px) {
  .admin-bar .kokoro-site-header {
    top: 46px;
  }
}