/* =====================================================
   kanata — 公開ページ固有スタイル
   ===================================================== */

/* ── フォント読み込み ── */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500&family=Noto+Serif+JP:wght@300;400;600&display=swap');

/* ── リセット・共通 ── */
body {
  font-family: var(--font-sans);
  background: #fff;
  color: #1a1a2e;
  line-height: 1.7;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

img { max-width: 100%; display: block; }

/* ── ヘッダー ── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13, 27, 42, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.header-logo {
  display: flex;
  flex-direction: column;
  gap: 1px;
  white-space: nowrap;
}

.logo-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.1em;
}

.logo-label {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.15em;
}

.header-nav {
  flex: 1;
  display: flex;
  gap: 28px;
}

.header-nav a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.header-nav a:hover { color: #fff; }

.nav-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.nav-user-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.8);
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 20px;
  transition: all 0.2s;
}

.nav-user-btn:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.nav-logout {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,0.8);
  border-radius: 2px;
  transition: all 0.2s;
}

/* ── モバイルメニュー ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: #0d1b2a;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 20px 24px;
  z-index: 99;
}

.mobile-menu.is-open { display: block; }

.mobile-menu ul {
  list-style: none;
  margin-bottom: 16px;
}

.mobile-menu ul li { border-bottom: 1px solid rgba(255,255,255,0.06); }

.mobile-menu ul li a {
  display: block;
  padding: 12px 0;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
}

.mobile-menu-user {
  display: flex;
  gap: 12px;
  padding-top: 8px;
}

.mobile-user-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: #fff;
  background: var(--clr-accent);
  padding: 8px 16px;
  border-radius: 20px;
}

.mobile-user-btn--line { background: var(--clr-line); }

.mobile-logout-btn {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  padding: 8px 0;
  align-self: center;
}

/* ── ヒーロー ── */
.hero {
  padding-top: 64px;
  min-height: 520px;
  background: linear-gradient(135deg, #0d1b2a 0%, #162d45 60%, #1a4a7a 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 24px;
}

.hero-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--clr-accent-lit);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.4;
  color: #fff;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
  max-width: 480px;
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--clr-accent);
  color: #fff;
  padding: 13px 28px;
  border-radius: 4px;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  transition: background 0.2s;
}

.btn-primary:hover { background: var(--clr-accent-lit); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.85);
  padding: 13px 28px;
  border-radius: 4px;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  transition: all 0.2s;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.5);
}

.btn-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--clr-line);
  color: #fff;
  padding: 13px 28px;
  border-radius: 4px;
  font-size: 0.9rem;
  transition: opacity 0.2s;
}

.btn-line:hover { opacity: 0.85; }

/* ── セクション共通 ── */
.section { padding: 80px 0; }

.section-label {
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: var(--clr-accent-lit);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 600;
  color: #1a1a2e;
  margin-bottom: 14px;
  line-height: 1.4;
}

.section-line {
  width: 36px;
  height: 2px;
  background: var(--clr-accent);
  margin-bottom: 28px;
}

/* ── 特徴セクション ── */
.features {
  background: #f8fafd;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.feature-card {
  background: #fff;
  border: 1px solid #e8edf5;
  border-radius: 8px;
  padding: 28px 24px;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--clr-surface-tint2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--clr-accent);
}

.feature-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: #1a1a2e;
  margin-bottom: 8px;
}

.feature-body {
  font-size: 0.85rem;
  color: #555;
  line-height: 1.7;
}

/* ── ブログ誘導 ── */
.blog-section {
  background: #fff;
}

.blog-cta-card {
  background: linear-gradient(135deg, #0d1b2a, #1a4a7a);
  border-radius: 12px;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin-top: 48px;
}

.blog-cta-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}

.blog-cta-body {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
}

.blog-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  background: #fff;
  color: var(--clr-accent);
  padding: 13px 28px;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: opacity 0.2s;
}

.blog-cta-btn:hover { opacity: 0.9; }

/* ── LINE会員セクション ── */
.members-section {
  background: #f8fafd;
}

.members-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 48px;
}

.members-benefits {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}

.members-benefit-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.members-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--clr-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.members-benefit-title {
  font-size: 0.9rem;
  font-weight: 500;
  color: #1a1a2e;
  margin-bottom: 4px;
}

.members-benefit-body {
  font-size: 0.82rem;
  color: #666;
  line-height: 1.6;
}

.members-card {
  background: #fff;
  border: 1px solid #e8edf5;
  border-radius: 12px;
  padding: 36px 32px;
  text-align: center;
}

.members-card-heading {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: #1a1a2e;
  margin-bottom: 8px;
}

.members-card-sub {
  font-size: 0.85rem;
  color: #666;
  line-height: 1.6;
  margin-bottom: 24px;
}

.members-btn-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: var(--clr-accent);
  color: #fff;
  padding: 13px;
  border-radius: 4px;
  font-size: 0.9rem;
  transition: background 0.2s;
}

.members-btn-brand:hover { background: var(--clr-accent-lit); }

.members-btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: var(--clr-line);
  color: #fff;
  padding: 13px;
  border-radius: 4px;
  font-size: 0.9rem;
  transition: opacity 0.2s;
}

.members-btn-line:hover { opacity: 0.85; }

.members-card-note {
  font-size: 0.75rem;
  color: #999;
  margin-top: 10px;
}

/* ── フッター ── */
.footer {
  background: #0d1b2a;
  color: rgba(255,255,255,0.6);
  padding: 40px 0 24px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-logo .logo-name { color: rgba(255,255,255,0.85); }

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-nav a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
}

.footer-nav a:hover { color: rgba(255,255,255,0.85); }

.footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ── プライバシー・利用規約ページ ── */
.legal-page {
  padding-top: 100px;
  padding-bottom: 80px;
}

.legal-page h1 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: #1a1a2e;
  margin-bottom: 12px;
}

.legal-page .updated {
  font-size: 0.82rem;
  color: #999;
  margin-bottom: 40px;
}

.legal-page h2 {
  font-size: 1.05rem;
  font-weight: 500;
  color: #1a1a2e;
  margin: 32px 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e8edf5;
}

.legal-page p {
  font-size: 0.9rem;
  color: #444;
  line-height: 1.85;
  margin-bottom: 12px;
}

/* ── レスポンシブ ── */
@media (max-width: 768px) {
  .header-nav { display: none; }
  .hamburger { display: flex; }

  .features-grid { grid-template-columns: 1fr; }
  .members-grid { grid-template-columns: 1fr; }

  .blog-cta-card {
    flex-direction: column;
    padding: 32px 24px;
    text-align: center;
  }

  .blog-cta-btn { width: 100%; justify-content: center; }
}