@media (max-width: 960px) {
  .pc {
    display: none;
  }

  .sp {
    display: block;
  }

  .logo-sp {
    position: fixed;
    z-index: 999;
    top: 16px;
    left: 16px;
  }

  .logo-sp img {
    width: 180px;
  }

  /* Header */
  .site-header .container {
    max-width: 94%;
    padding: 14px 12px;
  }
  .logo img {
    height: 40px;
  }
  .main-nav ul {
    gap: 16px;
    margin-right: 16px;
  }
  .main-nav a {
    font-size: 1.3rem;
  }
  .sns-icons {
    gap: 10px;
  }
  .sns-icons img {
    width: 18px;
    height: 18px;
  }

  /* Hero */
  .hero {
    height: 70vh;
  }
  .hero-text {
    bottom: 24%;
    left: 6%;
    max-width: 520px;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-sub {
    font-size: 1.3rem;
  }

  .wrapper {
    width: 90%;
    padding: 80px 0;
  }
  h2 {
    font-size: 2.4rem;
  }

  /* Business ナビ */
  .business-item {
    padding: 40px 0;
  }
  .business-nav ul {
    flex-wrap: wrap;
    row-gap: 10px;
  }
  .business-nav li:not(:last-child)::after {
    right: -10px;
  }

  /* セクションタイトル（和文左＋英文中央） */
  .section-title h3 {
    top: 0;
    transform: translateY(-10px);
  }
  .section-en {
    font-size: 2.4rem;
  }

  /* Retail（Det 60% / Class-A 40% → 比率維持のまま余白縮小） */
  .retail-grid {
    gap: 24px;
  }
  .brand-media img {
    height: 360px;
  }
  .brand-classa .brand-media img {
    height: 260px;
  }

  .white-space {
    height: 100px;
  }

  /* Showroom */
  .showroom-media {
    gap: 20px;
  }
  .showroom-img01 {
    height: 360px;
  }
  .showroom-img02 {
    height: 260px;
  }

  /* Live Commerce / Wholesale */
  .lc-container {
    grid-template-columns: 1fr 1.1fr;
    gap: 28px;
  }
  .lc-media img {
    height: 360px;
  }

  /* Company KV */
  .company-bg {
    height: 480px;
  }
  .company-bg-text {
    bottom: -6%;
    left: 12%;
  }
  .company-bg-text p {
    font-size: 7.2rem;
  }

  /* Corporate Info（見出し/本文の余白調整） */
  .ci-container {
    grid-template-columns: 220px 1fr;
    column-gap: 28px;
  }
  .ci-list {
    grid-template-columns: 160px 1fr;
  }
  .ci-list dt,
  .ci-list dd {
    padding: 22px 0 18px;
  }

  /* Partner */
  .partner-container {
    gap: 28px;
  }
  .partner-heading {
    font-size: 6rem;
    margin-bottom: 28px;
  }

  /* News */
  .news-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
  .news-thumb {
    height: 200px;
  }

  /* Recruit */
  .recruit-bg {
    height: 520px;
  }
  .recruit-bg img {
    object-position: 60%;
  }
  .recruit-content {
    left: 7%;
    bottom: 20%;
    max-width: 70%;
  }
  .recruit-heading {
    font-size: 3.4rem;
    margin-bottom: 28px;
  }
  .recruit-desc {
    font-size: 1.4rem;
    margin-bottom: 40px;
  }

  /* Instagram */
  .ig-container {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .ig-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .ig-widget {
    height: 560px;
  }

  /* Footer */
  .footer-top {
    max-width: 88%;
    column-gap: 120px;
  }
  .footer-logo {
    width: 200px;
  }
  .footer-bottom {
    margin-top: 60px;
  }
}

@media (max-width: 600px) {
  .site-header .container {
    max-width: 96%;
    padding: 12px;
  }
  .main-nav ul {
    gap: 12px;
    flex-wrap: wrap;
  }
  .main-nav a {
    font-size: 1.2rem;
  }
  .sns-icons {
    margin-left: 8px;
    gap: 8px;
  }
  .sns-icons img {
    width: 16px;
    height: 16px;
  }

  /* Hero */
  .hero {
    height: 58vh;
  }
  .hero-text {
    bottom: 16%;
    left: 6%;
    max-width: 90%;
  }
  .hero-title {
    font-size: 2rem;
  }
  .hero-sub {
    line-height: 1.7;
  }

  .wrapper {
    padding: 40px 0;
  }

  h2 {
    font-size: 2.1rem;
  }

  /* Business ナビ → 2列タイル風 */
  .business-nav ul {
    gap: 14px 18px;
  }
  .business-nav li {
    padding-right: 0;
  }
  .business-nav li:not(:last-child)::after {
    display: none;
  }

  /* セクションタイトル */
  .section-title {
    padding-top: 28px;
  }
  .section-title h3 {
    position: static;
    margin-bottom: 6px;
    font-size: 1.2rem;
  }
  .section-en {
    font-size: 2rem;
  }

  /* Retail → 1カラム */
  .retail-grid {
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
  }
  .brand-det,
  .brand-classa {
    width: 100%;
  }
  .brand-det .brand-media.grid-2 {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .brand-media img {
    height: 230px;
  }
  .brand-classa .brand-media img {
    height: 220px;
  }
  .brand-title {
    margin: 16px 0;
    font-size: 1.8rem;
  }
  .brand-desc {
    font-size: 1.3rem;
  }

  /* Showroom → 縦積み */
  .showroom-media {
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
  }
  .showroom-img01,
  .showroom-img02 {
    width: 100%;
    height: 220px;
  }

  /* Live Commerce / Wholesale → 1カラム */
  .lc-container {
    display: flex; /* grid → flex にしてもOK */
    flex-direction: column-reverse; /* 下→上の順番に入れ替え */
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .lc-text,
  .lc-media {
    width: 100%; /* 幅を揃えて縦積みに */
  }
  .lc-media img {
    height: auto; /* 高さを自動調整 */
    max-height: 240px;
  }

  .lc-lead {
    font-size: 1.7rem;
  }
  .lc-desc {
    font-size: 1.3rem;
  }
  .lc-btn {
    font-size: 1.3rem;
    padding: 10px 18px;
  }

  /* Company KV */
  .company-bg {
    height: 300px;
    margin-bottom: 60px;
  }
  .company-bg-text {
    bottom: -14%;
    left: 8%;
  }
  .company-bg-text p {
    font-size: 4.6rem;
  }

  /* Corporate Info → 1カラム */
  .ci-container {
    grid-template-columns: 1fr;
    row-gap: 18px;
  }
  .ci-aside {
    position: static;
  }
  .ci-en {
    font-size: 2rem;
  }
  .ci-list {
    grid-template-columns: 1fr;
  }

  .ci-list dt:first-of-type,
  .ci-list dd:first-of-type {
    border: none;
  }
  .ci-list dt,
  .ci-list dd {
    grid-column: 1 / -1;
    padding: 0;
    border: none;
  }
  .ci-list dt {
    color: #555;
  }

  .ci-list dd {
    padding-bottom: 16px;
  }

  /* Partner → 1カラム中央寄せ */
  .partner-section {
    padding: 64px 0 20px;
  }
  .partner-container {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .partner-heading {
    font-size: 3.4rem;
    margin-bottom: 16px;
  }
  .partner-title {
    font-size: 1.6rem;
  }
  .partner-content {
    text-align: center;
  }
  .partner-btn {
    width: 180px;
  }

  .corp-info {
    padding: 0;
  }

  /* News → 1カラム */
  .news-head {
    margin-bottom: 16px;
  }
  .news-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .news-thumb {
    height: 200px;
  }
  .news-title {
    font-size: 1.4rem;
  }

  /* Recruit */
  .recruit-bg {
    height: 420px;
  }
  .recruit-content {
    left: 6%;
    bottom: 12%;
    max-width: 88%;
  }
  .recruit-heading {
    font-size: 2.6rem;
    margin-bottom: 18px;
  }
  .recruit-desc {
    font-size: 1.3rem;
    margin-bottom: 28px;
  }
  .recruit-btn {
    padding: 12px 20px;
    width: 150px;
    font-size: 1.3rem;
  }

  /* Instagram → 2列 */
  .instagram-section {
    padding: 40px 0;
  }
  .ig-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .ig-widget {
    height: 480px;
  }

  /* Footer → 縦積み */
  .site-footer {
    padding: 56px 0 32px;
  }
  .footer-top {
    max-width: 92%;
    flex-direction: column;
    align-items: center;
    row-gap: 40px;
    column-gap: 0;
  }
  .footer-brand {
    justify-items: center;
  }
  .footer-nav {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .footer-col {
    text-align: center;
  }
  .footer-col-2nd {
    margin-top: 20px;
  }
  .footer-bottom {
    margin: 40px auto 24px;
  }
  .footer-sns {
    margin-bottom: 20px;
  }
  .contact-page {
    padding: 120px 0 80px;
  }
  .thanks-p {
    text-align: left;
  }

  .white-space {
    display: none;
  }
}