/* ==========================================================================
   Responsive Styles
   ========================================================================== */

/* ================================
   BASE PAGE STYLES (non-responsive)
   These MUST come before media queries
   ================================ */

/* ================================
   PHILOSOPHY PAGE STYLES
   ================================ */

/* --- Philosophy Hero (社名の由来) --- */
.philosophy-hero {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--color-bg-white) 0%, var(--color-bg-light) 100%);
}

.philosophy-hero__inner {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.philosophy-hero__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 28px;
  background: var(--color-primary-light);
  border-radius: var(--radius-full);
  margin-bottom: 28px;
}

.philosophy-hero__badge-text {
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.philosophy-hero__heading {
  font-size: 2.2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: 4px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.philosophy-hero__divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
}

.philosophy-hero__divider span {
  display: block;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.philosophy-hero__divider span:nth-child(1) { width: 8px; }
.philosophy-hero__divider span:nth-child(2) { width: 40px; }
.philosophy-hero__divider span:nth-child(3) { width: 8px; }

.philosophy-hero__lead {
  font-size: 1.05rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: 2;
  margin-bottom: 20px;
}

.philosophy-hero__body {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 2;
  margin-bottom: 0;
}

/* --- Principles (経営理念 3つの柱) --- */
.principles__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.principle-card {
  position: relative;
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.principle-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.principle-card__accent {
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.principle-card__inner {
  padding: 36px 28px 32px;
}

.principle-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.principle-card__number {
  font-family: var(--font-en);
  font-size: 2.8rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  opacity: 0.15;
  line-height: 1;
}

.principle-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: 50%;
}

.principle-card__title {
  font-size: 1.15rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.principle-card__text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
  margin: 0;
}

/* --- MVV Grid --- */
.mvv__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.mvv__card {
  background: var(--color-bg-white);
  padding: 44px 30px 36px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid var(--color-border-light);
}

.mvv__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.mvv__card-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: var(--font-weight-bold);
  color: #ffffff;
  margin-bottom: 20px;
}

.mvv__card-title {
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.mvv__card-divider {
  width: 40px;
  height: 2px;
  background-color: var(--color-primary);
  margin: 0 auto 16px;
  border-radius: 1px;
}

.mvv__card-text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

/* --- Approach Visual (左右レイアウト) --- */
.approach-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.approach-visual__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.approach-visual__image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.approach-visual__image:hover img {
  transform: scale(1.03);
}

.approach-item {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.approach-item:last-child {
  border-bottom: none;
}

.approach-item__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: 12px;
  color: var(--color-primary);
}

.approach-item__title {
  font-size: 1.05rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.approach-item__text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin: 0;
}

/* --- About Brands Grid --- */
.about-brands__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.about-brand-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  background: var(--color-bg-white);
}

.about-brand-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.about-brand-card__image {
  overflow: hidden;
}

.about-brand-card__image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.about-brand-card:hover .about-brand-card__image img {
  transform: scale(1.05);
}

.about-brand-card__content {
  padding: 24px;
}

.about-brand-card__name {
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 8px;
}

.about-brand-card__desc {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.about-brand-card__buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Approach Placeholder */
.approach-visual__placeholder {
  aspect-ratio: 4 / 3;
  background: var(--color-bg-light);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.approach-visual__placeholder p {
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin: 0;
}

/* About Company Table */
.about-company__table {
  max-width: 800px;
  margin: 0 auto;
}


/* ================================
   SINGLE POST STYLES
   ================================ */
.single-post {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 0;
}

.single-post__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.single-post__date {
  font-family: var(--font-en);
  font-size: 0.88rem;
  color: var(--color-text-light);
}

.single-post__category {
  display: inline-block;
  padding: 3px 14px;
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  border-radius: var(--radius-full);
}

.single-post__thumbnail {
  margin-bottom: 36px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.single-post__thumbnail img {
  width: 100%;
  height: auto;
  display: block;
}

/* Entry Content (Post Body) */
.entry-content {
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text-primary);
}

.entry-content h2 {
  margin-top: 48px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary-light);
}

.entry-content h3 {
  margin-top: 36px;
  margin-bottom: 16px;
}

.entry-content p {
  margin-bottom: 1.5em;
}

.entry-content img {
  border-radius: var(--radius-md);
  margin: 24px 0;
}

.entry-content ul,
.entry-content ol {
  margin-bottom: 1.5em;
  padding-left: 2em;
  list-style: disc;
}

.entry-content ol {
  list-style: decimal;
}

.entry-content li {
  margin-bottom: 0.5em;
}

.entry-content blockquote {
  padding: 20px 24px;
  margin: 24px 0;
  background: var(--color-bg-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.entry-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.entry-content a:hover {
  color: var(--color-primary-dark);
}

/* Post Tags */
.single-post__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.single-post__tag {
  display: inline-block;
  padding: 4px 14px;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-light);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.single-post__tag:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

/* Post Navigation */
.single-post__nav {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.single-post__nav-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.single-post__nav-item {
  flex: 1;
}

.single-post__nav-item--next {
  text-align: right;
}

.single-post__nav-link {
  display: block;
  text-decoration: none;
  padding: 16px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.single-post__nav-link:hover {
  background-color: var(--color-bg-light);
}

.single-post__nav-label {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.single-post__nav-title {
  display: block;
  font-size: 0.9rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

/* Back to News */
.single-post__back {
  text-align: center;
  margin-top: 48px;
}


/* ================================
   NEWS PAGE STYLES
   ================================ */
.news-page__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  padding: 40px 0;
}

.news-filter {
  display: flex;
  gap: 12px;
  margin: 30px 0;
}

.news-filter__btn {
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.news-filter__btn:hover,
.news-filter__btn--active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}


/* ================================
   404 PAGE STYLES
   ================================ */
.error-404 {
  padding: 80px 0;
}

.error-404__content {
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
}

.error-404__icon {
  margin-bottom: 24px;
}

.error-404__heading {
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.error-404__text {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  line-height: 1.8;
}

.error-404__actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}


/* ================================
   SEARCH STYLES
   ================================ */
.search-results__form {
  padding: 30px 0;
}

.search-form {
  display: flex;
  gap: 12px;
  max-width: 500px;
  margin: 0 auto;
}

.search-form__input {
  flex: 1;
  padding: 12px 16px;
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-form__input:focus {
  border-color: var(--color-primary);
}

.search-results__count {
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  padding-bottom: 10px;
}


/* ================================
   PAGE CONTENT (Generic)
   ================================ */
.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 0;
  font-size: 1rem;
  line-height: 2;
}

.page-content h2 {
  margin-top: 40px;
  margin-bottom: 16px;
}

.page-content p {
  margin-bottom: 1.5em;
}

/* Swiper Pagination Custom */
.swiper-pagination-bullet {
  background: var(--color-text-light);
  opacity: 0.4;
}

.swiper-pagination-bullet-active {
  background: var(--color-primary);
  opacity: 1;
}


/* ==========================================================================
   MEDIA QUERIES (must come AFTER base styles)
   ========================================================================== */

/* ================================
   TABLET: 768px ~ 1199px
   ================================ */
@media (max-width: 1199px) {

  :root {
    --section-padding: 80px;
  }

  /* Header */
  .nav__link {
    padding: 8px 14px;
    font-size: 0.85rem;
  }

  /* Hero */
  .hero__heading {
    font-size: 2.2rem;
  }

  /* Brands */
  .brand-card__body {
    padding: 28px 30px 32px;
  }

  /* Company */
  .company__grid {
    gap: 40px;
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }

  .footer__col:last-child {
    grid-column: 1 / -1;
  }

  /* Philosophy Page (Tablet) */
  .philosophy-hero__heading {
    font-size: 1.8rem;
  }

  .principles__cards {
    gap: 20px;
  }

  .mvv__grid {
    gap: 24px;
  }

  .approach-visual {
    gap: 40px;
  }
}


/* ================================
   MOBILE: 767px and below
   ================================ */
@media (max-width: 767px) {

  :root {
    --section-padding: 60px;
    --header-height: 60px;
    --container-padding: 16px;
  }

  /* Typography */
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.2rem; }

  .section__title {
    font-size: 1.5rem;
  }

  .section__header {
    margin-bottom: 40px;
  }

  /* PC Only break */
  .pc-only {
    display: none;
  }

  /* Header */
  .header__nav {
    display: none;
  }

  .header__cta {
    display: none;
  }

  .header__hamburger {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  .header__logo-img {
    width: 36px;
    height: 36px;
  }

  .header__logo-text {
    font-size: 1rem;
  }

  /* Hero */
  .hero {
    min-height: 100vh;
  }

  .hero__heading {
    font-size: 1.6rem;
    letter-spacing: 1px;
    line-height: 1.6;
  }

  .hero__subheading {
    font-size: 0.95rem;
  }

  .hero__description {
    font-size: 0.85rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .hero__scroll-indicator {
    bottom: 24px;
  }

  /* Philosophy */
  .philosophy {
    padding: 80px 0;
  }

  .philosophy__heading {
    font-size: 1.3rem;
    line-height: 1.8;
    letter-spacing: 1px;
  }

  /* Brands */
  .brand-card__body {
    padding: 24px 20px 28px;
  }

  .brand-card__name {
    font-size: 1.4rem;
  }

  .brand-card__target {
    font-size: 0.92rem;
  }

  .brand-card__desc {
    font-size: 0.88rem;
  }

  .brand-card__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .brand-card__actions .btn {
    text-align: center;
    justify-content: center;
  }

  /* News */
  .news__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* News Page */
  .news-page__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .news-filter {
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
  }

  /* Company */
  .company__grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .company-table th {
    width: 100px;
    font-size: 0.85rem;
  }

  .company-table td {
    font-size: 0.85rem;
  }

  .company__map-wrapper iframe {
    height: 280px;
  }

  /* CTA */
  .cta__heading {
    font-size: 1.4rem;
  }

  .cta__text {
    font-size: 0.9rem;
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }

  .footer__col--brand {
    text-align: center;
  }

  .footer__sns {
    justify-content: center;
  }

  .footer__bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
  }

  /* Posts Grid */
  .posts-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* Page Header */
  .page-header {
    height: 240px;
    margin-top: var(--header-height);
  }

  .page-header__title {
    font-size: 1.6rem;
  }

  /* Single Post */
  .single-post__nav-inner {
    flex-direction: column;
    gap: 16px;
  }

  /* Philosophy Page (Mobile) */
  .philosophy-hero {
    padding: 60px 0;
  }

  .philosophy-hero__heading {
    font-size: 1.5rem;
    letter-spacing: 2px;
  }

  .philosophy-hero__lead {
    font-size: 0.95rem;
  }

  .philosophy-hero__body {
    font-size: 0.9rem;
  }

  .principles__cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .principle-card__inner {
    padding: 28px 24px 24px;
  }

  .principle-card__number {
    font-size: 2.2rem;
  }

  .principle-card__title {
    font-size: 1.05rem;
  }

  .principle-card__title br {
    display: none;
  }

  .mvv__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .mvv__card {
    padding: 32px 24px 28px;
  }

  .approach-visual {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .approach-visual__image {
    max-width: 100%;
  }

  .approach-item {
    flex-direction: column;
    gap: 12px;
    padding: 20px 0;
    text-align: center;
  }

  .approach-item__icon {
    margin: 0 auto;
  }

  .approach-item__title {
    font-size: 1rem;
  }

  .approach-item__text {
    font-size: 0.88rem;
  }

  .about-brands__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .about-brand-card__buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .about-brand-card__buttons .btn {
    text-align: center;
    justify-content: center;
  }

  /* 404 */
  .error-404__actions {
    flex-direction: column;
    align-items: center;
  }

  /* Search */
  .search-form {
    flex-direction: column;
  }

  .search-form__input {
    width: 100%;
  }

  /* Buttons */
  .btn--large {
    padding: 14px 32px;
    font-size: 0.95rem;
  }
}


/* ================================
   SMALL MOBILE: 375px and below
   ================================ */
@media (max-width: 375px) {

  .hero__heading {
    font-size: 1.35rem;
  }

  .hero__subheading {
    font-size: 0.88rem;
  }

  .philosophy__heading {
    font-size: 1.15rem;
  }

  .section__title {
    font-size: 1.3rem;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.88rem;
  }
}