/* responsive.css - Responsive Tablet/Mobile, Accessibility (Sections 24-26) */

/* --------------------------------------------------------------------------
   24. Responsive - Tablet (max 900px)
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {

  :root { --header-height: 64px; }

  .section { padding: 60px 0; }

  /* Header */
  .global-nav { display: none; }
  .hamburger { display: flex; }
  .mobile-nav { display: block; }
  .header-tagline { display: block; }

  /* Hero */
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__visual { display: none; }
  .hero__actions { justify-content: center; }

  /* Reasons */
  .reasons__grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }

  /* Plans */
  .plans-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto 40px; }
  .plans-detail-grid { grid-template-columns: 1fr; }
  .plan-comparison__scroll { border-radius: var(--radius-sm); }

  /* Support */
  .support__grid { grid-template-columns: 1fr; }

  /* Profile */
  .profile__inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .profile__image { max-width: 300px; margin: 0 auto; }

  /* Works */
  .works-grid { grid-template-columns: 1fr 1fr; }

  /* Includes */
  .includes-grid { grid-template-columns: 1fr; }

  /* Contact */
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }

  /* Blog */
  .blog-layout { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-sidebar { position: static; }
  .post-layout { grid-template-columns: 1fr; }

  /* Footer */
  .footer-body__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-nav { grid-template-columns: repeat(3, 1fr); }
}

/* --------------------------------------------------------------------------
   25. Responsive - Mobile (max 600px)
   -------------------------------------------------------------------------- */
@media (max-width: 600px) {

  /* ロゴサイズ（スマホのみ縮小） */
  .logo-img { height: 40px; margin-top: 4px; }

  /* カード詳細・プロフィール本文：スマホは折り畳み（タップで手動展開） */
  .reason-card__desc,
  .plan-card__body,
  .profile__text {
    height: 0;
    overflow: hidden;
    transition: height 0.4s cubic-bezier(0.2, 0, 0.2, 1);
    margin-top: 0;
    padding-top: 0;
    padding-bottom: 0;
  }
  .reason-card__desc.is-expanded,
  .plan-card__body.is-expanded {
    margin-top: 16px;
    padding-top: 24px;
    padding-bottom: 28px;
  }
  .profile__text.is-expanded {
    margin-top: 16px;
  }

  /* 開閉インジケーター */
  .reason-card__title::after,
  .plan-card__head::after,
  .profile__title::after {
    content: '▼';
    font-size: 0.65rem;
    color: var(--color-text-light);
    margin-left: 8px;
    display: inline-block;
    transition: transform 0.3s ease;
    vertical-align: middle;
  }
  .reason-card.is-open .reason-card__title::after,
  .plan-card.is-open .plan-card__head::after,
  .profile__content.is-open .profile__title::after {
    transform: rotate(180deg);
  }

  /* 最大blob非表示（パフォーマンス・レイアウト改善） */
  .blob--hero-1,
  .page-header-blob-1,
  .cta-blob-1,
  .thanks-blob-1 { display: none; }

  .container { padding: 0 16px; }
  .section { padding: 48px 0; }
  .section-header { margin-bottom: 36px; }

  .hero { padding: 48px 0; min-height: unset; }
  .hero__title { font-size: 1.9rem; }
  .hero__desc { font-size: 0.9rem; }
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__actions .btn { text-align: center; }

  .reason-card { padding: 28px 20px; }

  .plan-card__head { padding: 24px 20px 18px; text-align: center; }
  .plan-card__head .plan-card__price { justify-content: center; }
  .plan-card__body { padding-left: 20px; padding-right: 20px; }
  .plan-card__desc { text-align: center; }

  .support-item { flex-direction: column; gap: 20px; padding: 28px 24px; }

  .process__steps { gap: 0; }
  .process-step { gap: 20px; padding: 20px 20px; }
  .process-step__arrow { margin-left: calc(20px + 24px + 10px); }

  .works-grid { grid-template-columns: 1fr; }
  .coming-soon__cards { display: none; }

  /* works-preview: カード3枚をまとめて折りたたみ */
  .works-preview .works-grid {
    height: 0;
    overflow: hidden;
    transition: height 0.5s cubic-bezier(0.2, 0, 0.2, 1);
    margin-bottom: 0;
  }
  .works-preview.is-open .works-grid {
    margin-bottom: 32px;
  }
  .works-preview .section-header {
    cursor: pointer;
    user-select: none;
    margin-bottom: 0;
  }
  .works-preview .section-title::after {
    content: '▼';
    font-size: 0.7rem;
    color: var(--color-text-light);
    margin-left: 10px;
    display: inline-block;
    transition: transform 0.3s ease;
    vertical-align: middle;
  }
  .works-preview.is-open .section-title::after {
    transform: rotate(180deg);
  }

  .profile__text { text-align: left; }

  .contact-form-wrap { padding: 24px 20px; }

  .legal-content { padding: 28px 20px; }
  .legal-table th { width: 100px; white-space: normal; }

  .footer-nav { grid-template-columns: 1fr 1fr; }
  .footer-body { padding: 48px 0; }
  .footer-cta { padding: 56px 0; }

  .page-header { min-height: unset; padding: 60px 0 44px; }

  .post-content { padding: 24px 20px; }
  .post-tags { padding: 16px 20px; }
  .post-nav { grid-template-columns: 1fr; padding: 16px 20px; }
  .post-back { padding: 16px 20px; }

  .cta-section { padding: 72px 0; }

  .plans-note { font-size: 0.75rem; }
  .plan-table th { width: 100px; font-size: 0.8rem; }

  .blog-grid { grid-template-columns: 1fr; }

  /* About */
  .about-block__inner { flex-direction: column; gap: 24px; }
  .about-block__label-wrap { width: auto; }
  .about-block__catch { font-size: 1.1rem; }
  .about-values__grid { grid-template-columns: 1fr; gap: 20px; }

  /* Recruit */
  .recruit-cards { grid-template-columns: 1fr; gap: 20px; }
}

/* --------------------------------------------------------------------------
   26. Accessibility & Focus Styles
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 3px solid var(--color-teal);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* 改行制御 */
.sp-br { display: none; }
.nowrap { display: inline-block; }

@media (max-width: 600px) {
  .sp-br { display: block; }
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 9999;
  background: var(--color-navy);
  color: var(--color-white);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}
.skip-link:focus { left: 8px; }