/* ==========================================================================
   responsive.css
   レスポンシブ対応（タブレット・スマートフォン）
   ========================================================================== */

/* タブレット（〜1024px） */
@media (max-width: 1024px) {
  .services__list,
  .testimonials__list,
  .post-card__list,
  .service-detail__list,
  .pricing-table__list,
  .case-study__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .options__list,
  .pricing-base,
  .flow__list,
  .pricing-campaigns,
  .pricing-options-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-base-grid {
    grid-template-columns: 1fr 1fr;
  }

  .pricing-examples-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow__list::before {
    display: none;
  }

  .hero__title {
    font-size: 32px;
  }
}

/* スマートフォン（〜768px） */
@media (max-width: 768px) {
  .header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-light-gray);
    flex-direction: column;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
  }

  .header__nav.is-open {
    max-height: 480px;
  }

  .header__menu {
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
  }

  .header__menu li {
    border-bottom: 1px solid var(--color-light-gray);
  }

  .header__menu a {
    display: block;
    padding: 14px 24px;
  }

  .header__menu-toggle {
    display: flex;
  }

  .header__menu-toggle.is-active .header__menu-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .header__menu-toggle.is-active .header__menu-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .header__menu-toggle.is-active .header__menu-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero {
    padding: 64px 20px;
  }

  .hero__title {
    font-size: 26px;
  }

  .services,
  .testimonials,
  .case-study,
  .faq,
  .cta {
    padding: 56px 20px;
  }

  .services__list,
  .testimonials__list,
  .post-card__list,
  .service-detail__list,
  .pricing-table__list,
  .options__list,
  .case-study__list,
  .pricing-highlight__list,
  .pricing-base,
  .flow__list,
  .pricing-campaigns,
  .pricing-base-grid,
  .pricing-examples-grid,
  .pricing-options-grid {
    grid-template-columns: 1fr;
  }

  .pricing-hero__title {
    font-size: 26px;
  }

  .pricing-campaign {
    padding: 28px 24px;
  }

  .pricing-section--gray,
  .pricing-cta {
    margin: 0;
    border-radius: 0;
  }

  .pricing-examples__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .case-study__compare {
    flex-direction: column;
    gap: 8px;
  }

  .case-study__arrow {
    transform: rotate(90deg);
  }

  .container--with-sidebar {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
  }

  .footer__inner {
    padding: 48px 20px 24px;
  }

  .footer__contact {
    flex-direction: column;
    gap: 8px;
  }
}

  .contact-form__row {
    grid-template-columns: 1fr;
  }

  .contact-form__footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-form__submit {
    width: 100%;
  }

/* 小型スマートフォン（〜480px） */
@media (max-width: 480px) {
  .hero__title {
    font-size: 22px;
  }

  .section-title {
    font-size: 22px;
  }

  .cta__title {
    font-size: 22px;
  }
}