@media (max-width: 1200px) {
  .openbtn {
    display: block;
  }
  .header-inner {
    height: 100px;
  }
  .header-nav {
    position: fixed;
    right: 0;
    top: 0;
    height: 100vh;
    z-index: 99;
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column-reverse;
    transform: translateX(100%);
    transition: 0.5s ease;
  }
  .header-nav.active {
    transform: translateX(0);
  }
  .header-nav .main-menu {
    flex-direction: column;
    margin: 0 auto;
    width: 100%;
  }
  .header-nav .main-menu > li + li {
    margin: 1rem 0 0;
  }

  .section-title-ja {
    font-size: 2rem;
  }
  .about-textwrap {
    padding: 2rem;
  }
  .fv {
    height: auto;
    margin-top: 100px;
  }
  .clinic-hours-box {
    position: static;
    width: 95%;
    margin: 2rem auto 0;
    font-size: 1rem;
  }
  .clinic-hours-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
  }
  .clinic-hours-item {
    width: calc((100% - 1rem) / 2);
  }
  .clinic-hours-item + .clinic-hours-item {
    margin-top: 0;
  }
  .time-label {
    width: 121px;
  }
  .time-period .time-label {
    width: 40px;
  }
  .fv-img {
    height: 85vh;
  }
  .clinic-hours-term {
    width: 80px;
  }
  .clinic-hours-desc {
    width: calc(100% - 100px);
  }
  .diagnosis-imgwrap.wfix video {
    width: 300px;
  } /* サブメニューをパネル内の縦アコーディオンに */
  .sub-menu {
    position: static;
    top: auto;
    left: auto;
    transform: none;
    width: 100%;
    max-width: none;
    padding: 0; /* 余白は子要素側で調整 */
    margin-top: 0.5rem;
    border-radius: 0;
    box-shadow: none;
    display: none; /* ← slideToggle 対象 */
  }
  .sub-menu-title {
    font-size: 1.25rem;
    border-bottom: 2px solid #005184;
    padding: 0.5rem 0;
    margin: 0 1rem;
  }
  .sub-menu > ul {
    margin-top: 0.25rem;
    width: 100%;
    display: block; /* 横並び→縦並び */
  }
  .sub-menu > ul > li {
    width: 100%;
    border-bottom: 1px dotted #959595;
  }
  .sub-menu > ul > li > a,
  .sub-menu > ul > li > p {
    padding: 0.75rem 1rem;
  }
  .sub-next-menu {
    font-size: 0.95rem;
    padding: 0 1.25rem 0.75rem 2.25rem; /* ちょいインデント */
  }
  .sub-next-menu a {
    padding: 0.4rem 0;
  }
  .sub-next-menu a::before {
    width: 16px;
    margin: 0.6rem 0.5rem 0 0;
  }

  /* PC用のアンダーライン演出はモバイルでは邪魔なので消す */
  .main-menu > li::after {
    display: none;
  }

  /* モバイルでのリンク行タップしやすさ UP */
  .header-nav .main-menu > li > a {
    display: block;
    padding: 0.75rem 1rem;
  }

  .header-nav.active {
    transform: translateX(0);
  }

  /* 背景オーバーレイ */
  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 1000;
  }
  .nav-overlay.show {
    opacity: 1;
    pointer-events: auto;
  }

  /* ドロワー内スクロール領域 */
  .header-nav .main-menu {
    display: block;
    margin: 0;
    padding: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .header-nav .main-menu > li + li {
    margin: 0;
  }

  /* タップ領域広め */
  .header-nav .main-menu > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 52px;
    padding: 14px 16px;
    font-size: 1.1rem;
    border-bottom: 1px solid #eee;
  }

  /* 矢印（サブメニューあり） */
  .header-nav .main-menu > li.has-sub > a::after {
    content: "";
    width: 10px;
    height: 10px;
    border-right: 2px solid #666;
    border-bottom: 2px solid #666;
    transform: rotate(45deg);
    transition: transform 0.2s ease;
    margin-left: 12px;
    flex: 0 0 auto;
  }
  .header-nav .main-menu > li.active > a::after {
    transform: rotate(-135deg); /* 上向きに */
  }

  /* サブメニューは縦アコーディオン */
  .sub-menu {
    position: static;
    width: 100%;
    padding: 0;
    margin: 0;
    border: 0;
    box-shadow: none;
    display: none; /* slideToggle対象 */
    background: #fff;
  }
  .sub-menu-title {
    display: none; /* モバイルでは見出しを省略（親行が見出し代わり） */
  }
  .sub-menu > ul {
    display: block;
    margin: 0;
    padding: 4px 0 10px;
  }
  .sub-menu > ul > li {
    width: 100%;
    border-bottom: 1px dotted #e3e3e3;
  }
  .sub-menu > ul > li > a,
  .sub-menu > ul > li > p {
    display: block;
    padding: 10px 20px 10px 36px; /* 少しインデント */
    font-weight: 500;
  }
  .sub-menu img {
    display: none;
  } /* 行頭アイコンは省略 */

  /* 第2階層（sub-next-menu） */
  .sub-next-menu {
    padding: 0 20px 10px 40px;
    font-size: 0.98rem;
  }
  .sub-next-menu a {
    padding: 8px 0;
  }
  .sub-next-menu a::before {
    display: none;
  }

  /* TELボタンを下部固定CTAでも出す */
  .header-tel {
    display: flex;
    justify-content: center;
    border-radius: 10px;
    font-size: 1.25rem;
    padding: 14px 16px 14px 16px;
    margin: 2rem auto 0;
  }

  /* PC時の下線演出はモバイルでは不要 */
  .main-menu > li::after {
    display: none;
  }

  /* 背景スクロール抑制 */
  .no-scroll {
    overflow: hidden;
    height: 100%;
    touch-action: none;
  }
  .sub-menu-title {
    display: none !important;
  }
  .sub-menu > ul > li > a,
  .sub-menu > ul > li > p {
    font-size: 1rem;
  }
  .sub-next-menu a {
    font-size: 0.8rem;
  }
}
@media (max-width: 1200px) {
  /* 親行：タップしやすく、右に矢印 */
  .header-nav .main-menu > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 52px;
    padding: 14px 16px;
    border-bottom: 1px solid #eee;
  }
  /* サブメニューがある行に矢印 */
  .header-nav .main-menu > li.has-sub > a::after {
    content: "";
    width: 10px;
    height: 10px;
    border-right: 2px solid #666;
    border-bottom: 2px solid #666;
    transform: rotate(45deg); /* 下向き風 */
    transition: transform 0.2s ease;
    margin-left: 12px;
    flex: 0 0 auto;
  }
  /* 展開中は上向き（回転だけ、親行サイズは変えない） */
  .header-nav .main-menu > li.active > a::after {
    transform: rotate(-135deg);
  }

  /* サブメニューはアンカーの“下に”出す（アコーディオン） */
  .sub-menu {
    position: static;
    display: none; /* slideToggle対象 */
    padding: 0;
    margin: 0;
    border: 0;
    box-shadow: none;
    background: #fff;
  }
  .sub-menu-title {
    display: none;
  } /* モバイルでは省略 */
  .sub-menu > ul {
    margin: 0;
    padding: 4px 0 10px;
    display: block;
  }
  .sub-menu > ul > li {
    border-bottom: 1px dotted #e3e3e3;
  }
  .sub-menu > ul > li > a,
  .sub-menu > ul > li > p {
    display: block;
    padding: 10px 20px 10px 36px;
  }
  .sub-menu img {
    display: none;
  } /* 行頭アイコンは省略 */
}

@media (max-width: 1024px) {
  .footer-top {
    flex-direction: column;
    align-items: center;
  }
  .footer-banner {
    margin-top: 2rem;
  }
  .about-contents {
    flex-direction: column;
    width: 95%;
    margin: 0 auto;
    max-width: 800px;
  }
  .about-textwrap {
    width: 100%;
    padding: 0;
    margin-top: 2rem;
  }
  .about-img {
    width: 100%;
    margin: 0 auto;
    border-radius: 1rem;
    aspect-ratio: 1.75/1;
  }
  .about-br {
    display: none;
  }
  .u-main-inner {
    flex-direction: column;
  }
  .u-article {
    width: 95%;
    margin: 3rem auto 0;
  }
  aside {
    position: static;
    width: 95%;
    margin: 0 auto;
    padding-bottom: 0;
  }
  .aside-title {
    border-radius: 0.5rem;
  }
  .sp-menu-tab {
    cursor: pointer;
    position: relative;
  }
  .sp-menu-tab::after {
    content: "";
    width: 10px;
    height: 10px;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transition: transform 0.2s ease;
    flex: 0 0 auto;
    display: inline-block; /* インライン要素として扱う */
    position: absolute;
    top: calc(50% - 2.5px);
    right: 2rem;
    transform: translateY(-50%) rotate(45deg);
    transform-origin: center;
  }

  .sp-menu-tab.active::after {
    top: calc(50% + 2.5px);
    transform: translateY(-50%) rotate(-135deg);
  }
  .aside-lists {
    display: none;
  }
}
@media (max-width: 992px) {
  .slick-prev {
    left: -25px; /* 左に移動 */
  }
  .slick-next {
    right: -25px; /* 右に移動 */
  }

  .guide-lists > li {
    width: calc((100% - 3rem) / 2);
  }
  .clinic-hours-list {
    gap: 1rem 0;
  }
  .clinic-hours-item {
    width: 100%;
  }
  .info-contents .section-titlewrap {
    width: 230px;
  }
  .info-box {
    width: calc(100% - 230px);
  }
}
@media (max-width: 800px) {
  .u-fv-ja {
    font-size: 2rem;
  }
  .u-fv-en {
    font-size: 1.3rem;
  }
  .u-fv-en::before {
    width: 25px;
  }
  .u-fv-textwrap {
    padding: 0.5rem 2rem 0.5rem 4rem;
  }
  .u-fv-img {
    height: 300px;
  }
}
@media (max-width: 768px) {
  .footer-info p span + span {
    display: block;
    margin-left: 0;
  }
  .footer-logo img {
    width: 300px;
  }
  .footer-info p {
    margin-top: 0.5rem;
  }
  .footer-infowrap {
    flex-direction: column;
    align-items: center;
  }
  .footer-sns {
    margin: 1rem 0 0;
  }
  .footer-nav > ul > li {
    padding: 1rem 0.75rem;
  }
  .section-title-ja {
    font-size: 1.75rem;
  }
  .guide-lists {
    gap: 2rem;
  }
  .guide-lists > li {
    width: calc((100% - 2rem) / 2);
  }
  .guide-item-textwrap h3 {
    padding: 1rem 0;
  }
  .guide-item-sublists {
    margin-top: 1rem;
  }
  .guide-item-sublists > li + li {
    margin-top: 0.5rem;
  }
  .header-logo img {
    width: 400px;
  }
  .fv-title {
    font-size: 1.8rem;
  }
  .info-contents {
    flex-direction: column;
  }
  .info-box {
    width: 100%;
    margin-top: 2rem;
  }
  .info-box ul li:nth-of-type(1) {
    padding-top: 0;
  }
  .access-contents {
    flex-direction: column-reverse;
  }
  .access-map {
    width: 100%;
  }
  .access-map iframe {
    aspect-ratio: 1.75/1;
  }
  .access-textwrap {
    padding: 0;
    margin-top: 2rem;
    width: 100%;
  }
  .u-section-title {
    font-size: 1.9rem;
  }
  .staff-img {
    width: 200px;
  }
  .staff-textwrap {
    width: calc(100% - 250px);
  }
  .staff-textwrap h3 {
    font-size: 1.5rem;
  }
  .staff-text-item h4 {
    font-size: 1.2rem;
  }
}
@media (max-width: 700px) {
  .copyright {
    margin-top: 4rem;
  }
  #page-top {
    bottom: 4rem;
  }
  .staff-textwrap {
    width: calc(100% - 220px);
  }
  .diagnosis-imgwrap.wfix video {
    width: 250px;
  }
}
@media (max-width: 600px) {
  .fv-title {
    background-color: transparent;
    padding: 0;
  }
  .fv-title span {
    display: block;
    width: fit-content;
    background-color: #fff;
    padding: 0.25rem 1rem;
  }
  .fv-title span + span {
    margin-top: 0.5rem;
  }
  .fv-title span.sp-none-fv {
    display: none;
  }
}
@media (max-width: 576px) {
  html {
    font-size: 14px;
  }
  .footer-nav {
    flex-direction: column;
    gap: 0;
  }
  .footer-nav > ul {
    width: 100%;
  }
  .about-text {
    line-height: 1.7;
  }
  section {
    padding: 2rem 0;
  }
  .guide-lists {
    gap: 2rem 1rem;
  }
  .guide-lists > li {
    width: calc((100% - 1rem) / 2);
  }
  .header-logo {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99;
    padding: 0.5rem;
  }
  .header-logo img {
    width: 150px;
  }
  header {
    background-color: transparent;
    position: static;
  }
  .header-inner {
    height: auto;
  }
  .openbtn {
    position: fixed;
    right: 1rem;
    top: 1rem;
  }
  .fv-subtitle span {
    font-size: 1.05rem;
  }
  .fv-img {
    height: 80vh;
  }
  .fv-textwrap {
    bottom: 1rem;
  }
  .poster-slider .slick-slide img {
    width: 40vw; /*スライダー内の画像を60vwにしてレスポンシブ化*/
    height: auto;
  }

  .poster-slider .slick-slide {
    transform: scale(1); /*左右の画像のサイズを80%に*/
    opacity: 1;
  }
  .time-label {
    width: 107px;
  }
  .info .section-inner {
    padding: 2rem 1.5rem;
  }
  .info-box ul {
    width: calc(100% - 30px);
  }
  .u-section-contents {
    margin-top: 2rem;
  }
  .staff-item {
    flex-direction: column;
  }
  .staff-img {
    position: static;
    margin: 0 auto;
  }
  .staff-textwrap {
    width: 100%;
    margin-top: 2rem;
  }
  .staff-carrer th {
    width: 80px;
  }
  .staff-carrer td {
    width: calc(100% - 80px);
  }
  .diagnosis-imgwrap.wfix {
    flex-direction: column;
  }
  .hfix img {
    height: 300px;
  }
}
@media (max-width: 490px) {
  .time-line {
    flex-direction: column;
    align-items: flex-start;
  }
  .time-label {
    text-align: left;
  }
  .time-period .time-label {
    width: 32px;
  }
  .time-value {
    width: 43px;
  }
}
@media (max-width: 480px) {
  /* .about-br {
    display: block;
  } */
  .slick-prev {
    left: -15px; /* 左に移動 */
  }
  .slick-next {
    right: -15px; /* 右に移動 */
  }
  .guide-lists {
    gap: 4rem 0;
  }
  .guide-lists > li {
    width: 100%;
  }
  .header-logo {
    border-radius: 0 0 0.5rem 0;
  }
  .header-logo img {
    width: 100px;
  }
  .clinic-hours-box {
    padding: 1rem;
  }
  .fv {
    margin-top: 80px;
  }
  .fv-textwrap {
    display: none;
  }
  .fv-sp-textwrap {
    display: block;
    margin: 2rem 0 0 1rem;
  }
  .fv-img {
    height: auto;
    border-radius: 1rem;
  }
  .fv-img img {
    border-radius: 1rem;
    object-position: bottom;
    height: auto;
    object-fit: cover;
    aspect-ratio: 1/1;
  }
  .fv-title span,
  .fv-subtitle span {
    background-color: #005184;
    color: #fff;
  }
  .info-box li {
    padding: 0.5rem 0;
  }
  .info-box li p {
    margin-top: 0.35rem;
  }
  .info .section-inner {
    padding-right: 1rem;
  }
  .footer-logo img {
    width: 250px;
  }
  .u-fv-img {
    height: 250px;
    width: 95%;
  }
  .u-fv-textwrap {
    bottom: 0.75rem;
    padding: 0.5rem 1rem 0.5rem 3rem;
  }
  .u-fv-ja {
    font-size: 1.6rem;
  }
  .u-fv {
    margin-top: 80px;
  }
  .u-main-inner {
    margin-top: 2.5rem;
  }
  .u-section-title {
    font-size: 1.6rem;
    padding-left: 1rem;
    border-left: 8px solid #005184;
  }
  .sub-menu > ul > li > a,
  .sub-menu > ul > li > p {
    padding: 8px 10px 8px 15px;
  }
  .u-fv-en::before {
    width: 20px;
  }
  .aside-title {
    font-size: 1.15rem;
    padding: 0.75rem 1.5rem 0.75rem 1.5rem;
  }
  .aside-lists {
    margin-top: 0.5rem;
  }
  .aside-lists > li > a,
  .aside-lists > li > p {
    padding: 0.75rem 0.75rem 0.75rem 1.5rem;
  }
  .greeting-img img {
    width: 200px;
  }
  .sp-menu-tab::after {
    right: 1.5rem;
  }
}
@media (max-width: 440px) {
  .copyright {
    margin-top: 5rem;
  }
  #page-top {
    bottom: 6rem;
    right: 1.5rem;
  }
  #page-top img {
    width: 50px;
  }
}
@media (max-width: 400px) {
  .fv-img {
  }
  .clinic-hours-desc {
    width: calc(100% - 90px);
  }
}