/* ========================================
   1. Custom Properties (CSS Variables)
   ======================================== */
:root {
  /* Colors */
  --color-primary: #ce996e;
  --color-text: #6c6c6c;
  --color-bg-beige: #f5e1d1;
  --color-bg-light: #fff6ef;
  --color-bg-menu-item: #cdbdb1;
  --color-bg-taupe: #cdbdb1;
  --color-white: #ffffff;
  --color-black: #000000;
  --color-red: #d73333;
  --color-overlay: rgba(108, 108, 108, 0.4);
  --color-detail-link-bg: #f5f5f5;

  /* Spacing */
  --spacing-xs: 0.938rem;
  --spacing-sm: 1.875rem;
  --spacing-md: 2.813rem;
  --spacing-lg: 4.688rem;

  /* Border Radius */
  --radius-sm: 5px;
  --radius-md: 8px;
  --radius-info: 42px 102px 42px 102px;

  /* Typography - Fluid Scaling */
  --font-size-3xs: clamp(0.625rem, 0.625rem + 0.3vw, 0.8rem);
  --font-size-2xs: clamp(0.75rem, 0.7rem + 0.375vw, 0.875rem);
  --font-size-xs: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --font-size-sm: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --font-size-md: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --font-size-lg: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);

  /* Transitions */
  --transition-base: 0.3s ease;

  /* Shadows */
  --shadow-sm: 0 0 20px rgba(0, 0, 0, 0.1);
  --shadow-md: 2px 0 10px rgba(0, 0, 0, 0.1);

  /* Layout */
  --side-nav-width: 390px;
  --content-width: 540px;
  --header-height: 125px;
}

/* ========================================
   2. Reset and Base Styles
   ======================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Noto Serif JP", serif;
  line-height: 1.5;
  color: var(--color-text);
  background: linear-gradient(
    to right,
    #d4c4b0 0%,
    #c4b4a0 35%,
    #a89878 65%,
    #988868 100% 100%
  );
}

a {
  color: #ec7878;
  text-decoration: none;
  transition: opacity var(--transition-base);
}

a:hover {
  opacity: 0.7;
}

/* Visually hidden class for accessibility */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================
   Utility Classes
   ======================================== */

/* Margin Bottom */
.mb-0 {
  margin-bottom: 0 !important;
}

.mb-xs {
  margin-bottom: var(--spacing-xs) !important;
}

.mb-sm {
  margin-bottom: var(--spacing-sm) !important;
}

.mb-md {
  margin-bottom: var(--spacing-md) !important;
}

.mb-lg {
  margin-bottom: var(--spacing-lg) !important;
}

/* Margin Top */
.mt-0 {
  margin-top: 0 !important;
}

.mt-xs {
  margin-top: var(--spacing-xs) !important;
}

.mt-sm {
  margin-top: var(--spacing-sm) !important;
}

.mt-md {
  margin-top: var(--spacing-md) !important;
}

.mt-lg {
  margin-top: var(--spacing-lg) !important;
}

/* Margin Left */
.ml-0 {
  margin-left: 0 !important;
}

.ml-xs {
  margin-left: var(--spacing-xs) !important;
}

.ml-sm {
  margin-left: var(--spacing-sm) !important;
}

.ml-md {
  margin-left: var(--spacing-md) !important;
}

.ml-lg {
  margin-left: var(--spacing-lg) !important;
}

/* Margin Right */
.mr-0 {
  margin-right: 0 !important;
}

.mr-xs {
  margin-right: var(--spacing-xs) !important;
}

.mr-sm {
  margin-right: var(--spacing-sm) !important;
}

.mr-md {
  margin-right: var(--spacing-md) !important;
}

.mr-lg {
  margin-right: var(--spacing-lg) !important;
}

/* Padding Bottom */
.pb-0 {
  padding-bottom: 0 !important;
}

.pb-xs {
  padding-bottom: var(--spacing-xs) !important;
}

.pb-sm {
  padding-bottom: var(--spacing-sm) !important;
}

.pb-md {
  padding-bottom: var(--spacing-md) !important;
}

.pb-lg {
  padding-bottom: var(--spacing-lg) !important;
}

/* Padding Top */
.pt-0 {
  padding-top: 0 !important;
}

.pt-xs {
  padding-top: var(--spacing-xs) !important;
}

.pt-sm {
  padding-top: var(--spacing-sm) !important;
}

.pt-md {
  padding-top: var(--spacing-md) !important;
}

.pt-lg {
  padding-top: var(--spacing-lg) !important;
}

/* Padding Left */
.pl-0 {
  padding-left: 0 !important;
}

.pl-xs {
  padding-left: var(--spacing-xs) !important;
}

.pl-sm {
  padding-left: var(--spacing-sm) !important;
}

.pl-md {
  padding-left: var(--spacing-md) !important;
}

.pl-lg {
  padding-left: var(--spacing-lg) !important;
}

/* Padding Right */
.pr-0 {
  padding-right: 0 !important;
}

.pr-xs {
  padding-right: var(--spacing-xs) !important;
}

.pr-sm {
  padding-right: var(--spacing-sm) !important;
}

.pr-md {
  padding-right: var(--spacing-md) !important;
}

.pr-lg {
  padding-right: var(--spacing-lg) !important;
}
/* color */

.color-red {
  color: var(--color-red) !important;
}

/* ========================================
   3. Layout Components
   ======================================== */
/* アニメーション対象要素の初期非表示 */
#policy .section__header,
#policy .section__subtitle,
#policy .section__article,
#system .section__header,
#system .section__subtitle,
#system .section__article,
#team .section__header,
#team .section__subtitle,
#team .section__article,
#message .section__header,
#message .section__subtitle,
#message .message__author,
#message .message__text,
#treatment .section__header,
#treatment .section__subtitle,
#treatment .treatment__item {
  opacity: 0;
  transform: translateY(30px);
}

/* � Page Wrapper � */
.page {
  width: 100%;
  margin: 0 auto;
  background-color: var(--color-white);
}

/* � Header � */
.header {
  position: relative;
  width: 100%;
  height: var(--header-height);
  background-color: var(--color-bg-beige);
}

.header__hamburger {
  position: absolute;
  top: 25px;
  right: var(--spacing-xs);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 45px;
  height: 35px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
}

.header__hamburger:hover {
  opacity: 0.7;
}

.header__hamburger-line {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--color-text);
  transition: var(--transition-base);
}

.header__logo {
  position: absolute;
  top: 30px;
  left: 50%;
  width: 150px;
  height: auto;
  transform: translateX(-50%);
}

.header__logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: filter var(--transition-base), opacity var(--transition-base);
}

.header__logo a:hover img,
.side-nav-logo a:hover img {
  filter: brightness(2.5);
}

/* � Hero Section � */
.hero {
  position: relative;
  width: 100%;
  height: calc(100svh - 125px);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: var(--color-bg-beige);
}

.hero__image {
  position: absolute;
  top: 116px;
  left: 0;
  z-index: 1;
  width: 100%;
  height: calc(100svh - 240px);
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.hero__image-slide {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.hero__title {
  padding: 20px;
  left: var(--spacing-xs);
  z-index: 2;
  width: 100%;
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-lg);
  font-weight: 400;
  line-height: 1.8;
  color: var(--color-text);
}
@media screen and (max-width: 540px) {
  .hero__title {
    font-size: 5.2vw;
  }
}

.hero__badge {
    position: absolute;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    bottom: 15px;
    gap: 4%;
}

.hero__badge-item01{
  width: 28%;
  height: auto;
  border-radius: 50%;
  background-color: rgba(196, 183, 138, 0.7);
  flex-shrink: 0;
aspect-ratio: 1/1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
}
.hero__badge-text01{
  text-align: center;
  color: var(--color-white);
  font-size: var(--font-size-3xs);
}
.hero__badge-item02{
  width: 28%;
  height: auto;
  border-radius: 50%;
  background-color: rgba(216, 164, 164, 0.7);
  flex-shrink: 0;
aspect-ratio: 1/1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
}
.hero__badge-text02{
  text-align: center;
  color: var(--color-white);
  font-size: var(--font-size-3xs);
}
.hero__badge-item03{
  width: 28%;
  height: auto;
  border-radius: 50%;
  background-color: rgba(160, 196, 196, 0.7);
  flex-shrink: 0;
aspect-ratio: 1/1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
}
.hero__badge-text03{
  text-align: center;
  color: var(--color-white);
  font-size: var(--font-size-3xs);
}
.hero__badge-item-icon{
  text-align: center;
}
.hero__badge-item-icon svg{
  width: 30%!important;
  height: auto!important;
}

.js-enabled .hero__title{
  opacity: 0;
}

/* � About Section � */
.about {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-xs) var(--spacing-md);
  background-color: var(--color-bg-light);
}

.about__text {
  width: 100%;
  max-width: var(--content-width);
  font-family: "Noto Sans JP", "Noto Sans", sans-serif;
  font-size: var(--font-size-xs);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text);
}

.about__text p {
  margin-bottom: 1.5em;
}

.about__text p:last-child {
  margin-bottom: 0;
}

.about__images {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  width: 100%;
  max-width: var(--content-width);
  padding: var(--spacing-sm) var(--spacing-xs) 0;
}

.about__images::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 75%;
  background-color: var(--color-white);
  border-radius: var(--radius-sm);
}

.about__image {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  object-fit: cover;
  will-change: opacity, transform;
}

/* � Info Section � */
.info-wrapper {
  position: relative;
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-xs);
  background-color: var(--color-bg-light);
}

.info {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  width: 100%;
  max-width: 510px;
  margin: 0 auto;
  padding: var(--spacing-lg) 25px var(--spacing-md);
  background-color: var(--color-bg-beige);
  border-radius: var(--radius-info);
}

.info__header {
  position: absolute;
  top: var(--spacing-sm);
  left: 25px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.info__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 25px;
  height: 25px;
  color: var(--color-primary);
}

.info__title {
  font-family: "M PLUS 1", sans-serif;
  font-size: var(--font-size-md);
  font-weight: 700;
  line-height: 1;
  color: var(--color-primary);
}

.info__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  list-style: none;
}

.info__item {
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-md);
  font-weight: 400;
  line-height: 1;
  color: var(--color-text);
}

.info__item:nth-child(4) {
  opacity: 0.94;
}

.info__highlight {
  position: relative;
  display: inline-block;
  padding-bottom: 5px;
}

.info__highlight::after {
  content: "";
  position: absolute;
  bottom: 5px;
  left: 0;
  width: 100%;
  height: 3.812px;
  background-color: var(--color-primary);
  opacity: 0.5;
}

.info-wrapper__link {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  width: 100%;
  max-width: 510px;
  margin: var(--spacing-xs) auto 0;
  padding-right: 22px;
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-sm);
  font-weight: 400;
  line-height: 1;
  color: var(--color-text);
  text-align: right;
  text-decoration: none;
  transition: var(--transition-base);
}

.info-wrapper__link:hover {
  color: var(--color-primary);
}

/* Common Section Styles */
.section {
  position: relative;
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-xs);
}

.section__header {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: var(--spacing-sm);
}

.section__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 25px;
  height: 25px;
}
.section--bg-light .section__icon {
  color: var(--color-primary);
}
.section--bg-beige .section__icon {
  color: var(--color-text);
}
.section--bg-taupe .section__icon {
  color: var(--color-white);
}

.section__title {
  font-family: "M PLUS 1", sans-serif;
  font-size: var(--font-size-md);
  font-weight: 700;
  line-height: 1;
}
.section--bg-light .section__title {
  color: var(--color-primary);
}
.section--bg-beige .section__title {
  color: var(--color-text);
}
.section--bg-taupe .section__title {
  color: var(--color-white);
}
/* Background Color Variants with Wave Borders */
.section--bg-light {
  padding-top: calc(104px + var(--spacing-sm));
  background-color: var(--color-bg-light);
}

.section--bg-light::after {
  content: "";
  position: absolute;
  bottom: -120px;
  left: 50%;
  z-index: 1;
  width: 100%;
  height: 145px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='393' height='104' viewBox='0 0 393 104' fill='none'%3E%3Cpath d='M206.475 95.0762C136.253 73.5264 38.2361 71.7306 2.22921e-05 73.5264L0 0H393V73.5264C360.084 89.6888 276.696 116.626 206.475 95.0762Z' fill='%23FFF6EF'/%3E%3C/svg%3E")
    no-repeat top center;
  background-size: 100% auto;
  transform: translateX(-50%);
  pointer-events: none;
}

.section--bg-beige {
  padding-top: calc(104px + var(--spacing-sm));
  background-color: var(--color-bg-beige);
}

.section--bg-beige::after {
  content: "";
  position: absolute;
  bottom: -120px;
  left: 50%;
  z-index: 1;
  width: 100%;
  height: 145px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='393' height='104' viewBox='0 0 393 104' fill='none'%3E%3Cpath d='M206.475 95.0762C136.253 73.5264 38.2361 71.7306 2.22921e-05 73.5264L0 0H393V73.5264C360.084 89.6888 276.696 116.626 206.475 95.0762Z' fill='%23F5E1D1'/%3E%3C/svg%3E")
    no-repeat top center;
  background-size: 100% auto;
  transform: translateX(-50%);
  pointer-events: none;
}

.section--bg-taupe {
  padding-top: calc(104px + var(--spacing-sm));
  background-color: var(--color-bg-taupe);
}

.section--bg-taupe::after {
  content: "";
  position: absolute;
  bottom: -120px;
  left: 50%;
  z-index: 1;
  width: 100%;
  height: 145px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='393' height='104' viewBox='0 0 393 104' fill='none'%3E%3Cpath d='M206.475 95.0762C136.253 73.5264 38.2361 71.7306 2.22921e-05 73.5264L0 0H393V73.5264C360.084 89.6888 276.696 116.626 206.475 95.0762Z' fill='%23CDBDB1'/%3E%3C/svg%3E")
    no-repeat top center;
  background-size: 100% auto;
  transform: translateX(-50%);
  pointer-events: none;
}

/* Wave Modifier - Disable wave SVG for specific sections */
.section--no-wave::after {
  display: none;
}

/* Section following .section--no-wave */
.section--no-wave + .section {
  padding-top: var(--spacing-sm);
}

/* ID-specific background colors */
#treatment-menu,
#calendar,
#access {
  background-color: var(--color-bg-light);
}

.menu__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xs);
  width: 100%;
}

.menu__item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 170px;
  padding: var(--spacing-sm) 5px 20px;
  background-color: var(--color-bg-menu-item);
  border-radius: var(--radius-sm);
  text-align: center;
  text-decoration: none;
  transition: var(--transition-base);
}

.menu__item:hover {
  filter: brightness(1.15);
  transform: translateY(-2px);
}

.menu__item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-xs);
  color: var(--color-white);
  font-size: 48px;
}

.menu__item-icon .material-symbols-outlined {
  font-size: inherit;
}

.menu__item-title {
  margin-bottom: 8px;
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-sm);
  font-weight: 400;
  line-height: 1;
  color: var(--color-white);
}

.menu__item-subtitle {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-xs);
  font-weight: 400;
  line-height: 1;
  color: var(--color-white);
}

/* Common Section Elements (reusable across all sections) */
.section__heading {
  position: relative;
  width: 100%;
  margin: 0 auto var(--spacing-md);
  padding: 0;
  text-align: center;
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-lg);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text);
}

@media screen and (max-width: 540px) {
  .section__heading {
    font-size: 5vw;
  }
}

.content__heading {
  position: relative;
  width: 100%;
  margin: 0 auto var(--spacing-md);
  padding: 0;
  text-align: center;
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-lg);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text);
}

.section__subtitle {
  margin: 0 auto var(--spacing-md);
  padding: 0 var(--spacing-xs);
  max-width: var(--content-width);
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-lg);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text);
}
@media screen and (max-width: 540px) {
  .content__heading{
    font-size: 4.8vw;
  }
  .section__subtitle {
    font-size: 4.8vw;
  }
}
.section__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  width: 100%;
  padding: 0 var(--spacing-xs);
}

.section__article {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}
.section__article:last-child {
  padding-bottom: 0;
}

.section__article-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  object-fit: cover;
  will-change: opacity, transform;
}

.section__article-text {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.section__article-label {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-sm);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text);
}

.section__article-title {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-md);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text);
}
@media screen and (max-width: 540px) {
  .section__article-title {
    font-size: 4.6vw;
  }
}

.section__article-description {
  margin: 0 auto var(--spacing-xs);
  font-family: "Noto Sans JP", "Noto Sans", sans-serif;
  font-size: var(--font-size-xs);
  font-weight: normal;
  line-height: 1.5;
  color: var(--color-text);
}
.section__article-description:has(+ .section__detail-link) {
  margin-bottom: 0;
}

.section__detail-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: max-content;
  margin-top: 10px;
  margin-left: auto;
  padding: 0 30px;
  height: 65px;
  border-radius: 50px;
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-sm);
  font-weight: 400;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  transition: var(--transition-base);
}

/* Background Variant Specific Styles for section__heading */
.section--bg-light .section__heading {
  color: var(--color-primary);
}

.section--bg-beige .section__heading {
  color: var(--color-text);
}

.section--bg-taupe .section__heading {
  color: var(--color-white);
}

/* Background Variant Specific Styles for section--bg-beige */
.section--bg-beige .section__subtitle {
  color: var(--color-text);
}

.section--bg-beige .section__article-label {
  color: var(--color-text);
}

.section--bg-beige .section__article-title {
  color: var(--color-text);
}

.section--bg-beige .section__detail-link {
  background-color: #ffedde;
  color: var(--color-text);
}

.section--bg-beige .section__detail-link:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section--bg-beige .content__group-title {
  color: var(--color-text);
}

.section--bg-beige .content__step-title {
  color: var(--color-text);
}

.section--bg-beige .content__step-title::after,
.section--bg-beige .content__step-title::before {
  background-color: var(--color-text);
}

.section--bg-beige .treatment-flow__step h5 {
  color: var(--color-text);
}

.section--bg-beige .treatment-flow__step h5::before {
  background-color: var(--color-text);
}

/* Background Variant Specific Styles for section--bg-light */
.section--bg-light .section__subtitle {
  color: var(--color-primary);
}

.section--bg-light .section__article-label {
  color: var(--color-primary);
}

.section--bg-light .section__article-title {
  color: var(--color-primary);
}

.section--bg-light .section__detail-link {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section--bg-light .section__detail-link:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.section--bg-light .content__group-title {
  color: var(--color-primary);
}

.section--bg-light .content__step-title {
  color: var(--color-primary);
}

.section--bg-light .content__step-title::after,
.section--bg-light .content__step-title::before {
  background-color: var(--color-primary);
}

.section--bg-light .treatment-flow__step h5 {
  color: var(--color-primary);
}

.section--bg-light .treatment-flow__step h5::before {
  background-color: var(--color-primary);
}

/* Background Variant Specific Styles for section--bg-taupe */
.section--bg-taupe .section__title {
  color: var(--color-white);
}

.section--bg-taupe .section__subtitle {
  color: var(--color-white);
}

.section--bg-taupe .section__article-label {
  color: var(--color-white);
}

.section--bg-taupe .section__article-title {
  color: var(--color-white);
}

.section--bg-taupe .section__article-description {
  color: var(--color-white);
}

.section--bg-taupe .section__detail-link {
  background-color: var(--color-detail-link-bg);
  color: var(--color-text);
}

.section--bg-taupe .section__detail-link:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.section--bg-taupe .content__group-title {
  color: var(--color-white);
}

.section--bg-taupe .content__step-title {
  color: var(--color-white);
}

.section--bg-taupe .content__step-title::after,
.section--bg-taupe .content__step-title::before {
  background-color: var(--color-white);
}

.section--bg-taupe .treatment-flow__step h5 {
  color: var(--color-white);
}

.section--bg-taupe .treatment-flow__step h5::before {
  background-color: var(--color-white);
}

/* Team Section Specific Styles */
.team__header-visual {
  position: relative;
  width: 100%;
  height: 231px;
  margin-bottom: var(--spacing-xs);
}

.team__header-visual-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.team__header-visual-icon {
  position: absolute;
  width: 66px;
  height: 106px;
  border-radius: var(--radius-sm);
}

.team__header-visual-icon--primary-1 {
  top: 98px;
  left: 30px;
  background-color: var(--color-primary);
}

.team__header-visual-icon--beige {
  top: 23px;
  left: 134px;
  background-color: var(--color-bg-beige);
}

.team__header-visual-icon--white {
  top: 86px;
  left: 207px;
  background-color: var(--color-white);
}

.team__header-visual-icon--primary-2 {
  top: 10px;
  left: 258px;
  background-color: var(--color-primary);
}

.team__header-visual-image {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-sm);
  object-fit: cover;
  will-change: opacity, transform;
}

/* Message Section Specific Styles */
.message-subtitle {
  margin-bottom: var(--spacing-xs);
}

.message__author {
  margin: 0 auto var(--spacing-xs);
  padding: 0 var(--spacing-xs);
  max-width: var(--content-width);
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-sm);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-primary);
}

.message__author-name {
  font-size: var(--font-size-md);
}

.message__text {
  margin-bottom: var(--spacing-xs);
}

/* Treatment Flow Section Specific Styles */
.treatment-flow__group {
  margin-bottom: var(--spacing-md);
}

.treatment-flow__group:last-child {
  margin-bottom: 0;
}

/* Content Group Title - Reusable heading for grouped content */
.content__group-title {
  display: flex;
  align-items: flex-start;
  gap: 5px;
  margin-bottom: var(--spacing-xs);
  font-family: "Noto Serif JP", serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text);
}

.content__group-title .material-symbols-outlined {
  font-size: 24px;
}

.treatment-flow__group-subtitle {
  font-size: 16px;
}

.treatment-flow__step {
  margin-bottom: var(--spacing-md);
}

.treatment-flow__step:last-child {
  margin-bottom: 0;
}

.treatment-flow__step ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.treatment-flow__step ul li {
  list-style: none;
  padding-left: 1.2em;
  text-indent: -1.2em;
}

/* Content Step Title - Reusable subheading for step-by-step content */
.content__step-title {
  position: relative;
  margin: 0 0 15px;
  padding-bottom: 15px;
  font-family: "Noto Serif JP", serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text);
}

.content__step-title::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-text);
}

.content__step-title::before {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 100px;
  height: 3px;
  background-color: var(--color-text);
}

.treatment-flow__step h5 {
  position: relative;
  margin: 25px 0 10px;
  padding-left: 12px;
  font-family: "Noto Serif JP", serif;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--color-text);
}

.treatment-flow__step h5::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--color-text);
}

.treatment-flow__step .section__article-image {
  margin-bottom: 15px;
}

/* Treatment Section Specific Styles */
.treatment__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  width: 100%;
  padding: 0 var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.treatment__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-xs) var(--spacing-sm)
    var(--spacing-xs);
  border-radius: var(--radius-sm) 110px var(--radius-sm) var(--radius-sm);
}

.section--bg-light .treatment__item {
  background-color: var(--color-bg-beige);
  border: 1px solid var(--color-bg-beige);
}
.section--bg-taupe .treatment__item {
  background-color: var(--color-bg-taupe);
  border: 1px solid var(--color-white);
}

.treatment__item-header {
  display: flex;
  align-items: center;
  gap: 5px;
}

.treatment__item-title {
  margin: 0;
  font-size: var(--font-size-md);
  font-weight: 700;
  line-height: 1;
}

.section--bg-light .treatment__item-title {
  color: var(--color-primary);
}
.section--bg-taupe .treatment__item-title {
  color: var(--color-white);
}

.treatment__item-subtitle {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-md);
  font-weight: 400;
  line-height: 1.5;
}

.section--bg-light .treatment__item-subtitle {
  color: var(--color-text);
}
.section--bg-taupe .treatment__item-subtitle {
  color: var(--color-white);
}

.treatment__item-lead {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-md);
  font-weight: 400;
  line-height: 1.5;
}

@media (max-width: 540px) {
  .treatment__item-lead {
    font-size: 4.5vw;
  }
}

.section--bg-light .treatment__item-lead {
  color: var(--color-text);
}
.section--bg-taupe .treatment__item-lead {
  color: var(--color-white);
}

.treatment__checkpoint {
  position: relative;
  padding: 45px 10px 10px;
  background-color: var(--color-white);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-sm);
}

.treatment__checkpoint-header {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-primary);
}

.treatment__checkpoint-header .material-symbols-outlined {
  font-size: 22.5px;
}

.treatment__checkpoint-title {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-sm);
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-primary);
}

.treatment__checkpoint-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.treatment__checkpoint-item {
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-xs);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text) !important;
  padding-left: 1em;
  text-indent: -1em;
}

.treatment__underline {
  text-decoration-line: underline;
  text-decoration-color: rgba(206, 153, 110, 0.7);
  text-decoration-thickness: 3px;
  text-decoration-skip-ink: none; /* 欲しければ */
  text-underline-offset: -0.1em; /* 正数で下に、負数で上に寄せる */
}

/*.treatment__underline {
  position: relative;
  display: initial;
  padding-bottom: 5px;
}

.treatment__underline::after {
  content: "";
  position: absolute;
  bottom: 8px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-primary);
  opacity: 0.7;
}*/


/* ========================================
   Treatment Menu Section
   ======================================== */

.treatment-menu__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  width: 100%;
  padding: 0 var(--spacing-xs);
}

.treatment-menu__item {
  position: relative;
    display: flex;
    align-items: end;
    justify-content: center;
    height: 110px;
    background-color: var(--color-bg-taupe);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: var(--transition-base);
    overflow: hidden;
    padding-bottom: 15px;
}
.section--bg-taupe .treatment-menu__item {
    background-color: var(--color-white);
}

.treatment-menu__item:hover {
  filter: brightness(1.15);
}

.treatment-menu__icon {
  position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    height: 45px;
    width: auto;
    max-width: 100%;
    opacity: 1;
    object-fit: contain;
    pointer-events: none;
}
.section--bg-taupe .treatment-menu__icon {
  filter: brightness(0) saturate(100%) invert(81%) sepia(9%) saturate(418%) hue-rotate(343deg) brightness(98%) contrast(82%);
}

.treatment-menu__text {
  position: relative;
  z-index: 1;
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-md);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-white);
  text-align: center;
}
.section--bg-taupe .treatment-menu__text {
  color: var(--color-bg-taupe);
}

/* ========================================
   Fee Menu Section
   ======================================== */

.fee-menu {
  width: 100%;
  padding: 0 var(--spacing-xs);
}

.fee-menu__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin: 0;
  padding: 0;
  list-style: none;
}

.fee-menu__item-wrapper {
  width: 100%;
}

.fee-menu__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 55px;
  padding: var(--spacing-xs);
  background-color: var(--color-white);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition-base);
}

.fee-menu__item:hover {
  background-color: var(--color-primary);
}

.fee-menu__item:hover .fee-menu__text {
  color: var(--color-white);
}

.fee-menu__item:hover .fee-menu__icon {
  color: var(--color-white);
}

.fee-menu__text {
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-sm);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text);
  transition: var(--transition-base);
}

.fee-menu__icon {
  flex-shrink: 0;
  font-size: 28px;
  color: var(--color-primary);
  transition: var(--transition-base);
}

.switch-image-wrapper {
  position: relative;
  width: 100%;
  padding-top: 75%; /* 4:3のアスペクト比 */
  overflow: hidden;
}

.switch-image-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.switch-image-container img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
}

/* 術前画像のアニメーション */
.switch-image-container img:first-child {
  animation: fadeInOut 4s infinite;
}

/* 術後画像のアニメーション */
.switch-image-container img:last-child {
  animation: fadeInOut 4s infinite;
  animation-delay: 2s;
}

@keyframes fadeInOut {
  0% {
    opacity: 1;
  }
  49.9% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}

/* ラベル表示 */
.switch-label {
  position: absolute;
  top: 20px;
  left: 20px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  z-index: 10;
  opacity: 0;
}

.switch-label.before {
  animation: labelFade 4s infinite;
}

.switch-label.after {
  animation: labelFade 4s infinite;
  animation-delay: 2s;
}

@keyframes labelFade {
  0% {
    opacity: 1;
  }
  49.9% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}

/* ========================================
   Fee Accordion Section
   ======================================== */

.fee-accordion-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  width: 100%;
  padding: 0 var(--spacing-xs);
}

.fee-accordion {
  width: 100%;
  border: 1px solid;
  border-radius: 25px;
  overflow: hidden;
  background: none;
  --fee-border-color: var(--color-text);
  border-color: var(--fee-border-color);
  transition: border-color var(--transition-base);
}

/* Accordion Header (Button) */
.fee-accordion__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 74px;
  padding: 25px;
  background: none;
  border: none;
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-sm);
  font-weight: 400;
  line-height: 1.5;
  text-align: left;
  color: inherit;
  cursor: pointer;
  transition: var(--transition-base);
}

.fee-accordion__title {
  flex: 1;
}

.fee-accordion__icon {
  flex-shrink: 0;
  font-size: 28px;
  transition: var(--transition-base);
}

/* Accordion Content */
.fee-accordion__content {
  max-height: 0;
  overflow: hidden;
  padding: 0 25px;
  border-top: 0 solid transparent;
  color: inherit;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.fee-accordion__content[aria-hidden="false"] {
  max-height: max-content;
  padding: 25px;
  border-top-width: 1px;
  border-top-color: var(--fee-border-color);
}

/* Price Display */
.fee-accordion__price {
  position: relative;
  margin-bottom: var(--spacing-sm);
  padding-bottom: 10px;
}

.fee-accordion__price-amount {
  position: relative;
  display: inline-block;
  font-family: "Noto Serif JP", serif;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.5;
}

.fee-accordion__price-amount::after {
  content: "";
  position: absolute;
  bottom: 3px;
  left: 0;
  width: 100%;
  height: 6px;
  background-color: var(--color-primary);
  opacity: 0.5;
}

.fee-accordion__price-unit {
  font-family: "Noto Serif JP", serif;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.fee-accordion__price-note {
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-sm);
  font-weight: 400;
  line-height: 1.5;
}

/* Memo Box */
.fee-accordion__memo {
  position: relative;
  padding: 39px 20px 20px;
  margin-bottom: var(--spacing-sm);
  background-color: var(--color-white);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-sm);
}

.fee-accordion__memo-header {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.fee-accordion__memo-icon {
  font-size: 22.5px;
  color: var(--color-primary);
}

.fee-accordion__memo-title {
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-sm);
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-primary);
}

.fee-accordion__memo-text {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-black);
}

.price_card_list {
  list-style: none;
  margin: 0;
  padding: 15px 10px 5px!important;
  display: flex;
  flex-wrap: wrap;
  gap: 0 10px;
  background-color: #fff;
  border-radius: var(--radius-sm);
}

.price_card_list li {
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  padding-left: 0px!important;
}

.price_card_list li img {
  height: 39px;
  width: auto;
  display: block;
}

/* ========================================
   Fee Accordion Background Variants
   ======================================== */

/* section--bg-beige */
.section--bg-beige .fee-accordion {
  --fee-border-color: var(--color-text);
  color: var(--color-text);
}

.section--bg-beige .fee-accordion__icon {
  color: var(--color-text);
}

.section--bg-beige .fee-accordion__price-amount,
.section--bg-beige .fee-accordion__price-unit,
.section--bg-beige .fee-accordion__price-note {
  color: var(--color-text);
  --fee-border-color: var(--color-primary);
}

/* section--bg-light */
.section--bg-light .fee-accordion {
  --fee-border-color: var(--color-primary);
  color: var(--color-primary);
}

.section--bg-light .fee-accordion__icon {
  color: var(--color-primary);
}

.section--bg-light .fee-accordion__price-amount,
.section--bg-light .fee-accordion__price-unit,
.section--bg-light .fee-accordion__price-note {
  color: var(--color-primary);
}

.section--bg-light .fee-accordion__content .section__detail-link {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section--bg-light .fee-accordion__content .section__detail-link:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

/* section--bg-taupe */
.section--bg-taupe .fee-accordion {
  --fee-border-color: var(--color-white);
  color: var(--color-white);
}

.section--bg-taupe .fee-accordion__icon {
  color: var(--color-white);
}

.section--bg-taupe .fee-accordion__price-amount,
.section--bg-taupe .fee-accordion__price-unit,
.section--bg-taupe .fee-accordion__price-note {
  color: var(--color-white);
}

.section--bg-taupe .fee-accordion__content .section__detail-link {
  background-color: var(--color-detail-link-bg);
  color: var(--color-text);
}

.section--bg-taupe .fee-accordion__content .section__detail-link:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

/* ========================================
   Staff
   ======================================== */

.staff_h4 {
  font-weight: 600;
}
.staff_h4 span {
  font-size: var(--font-size-sm);
  margin-right: 0.25em;
}
.section--bg-light .staff_h4,
.section--bg-light .treatment-flow__step ul li {
  color: var(--color-text);
}
.section--bg-beige .staff_h4,
.section--bg-beige .treatment-flow__step ul li {
  color: var(--color-text);
}
.section--bg-taupe .staff_h4,
.section--bg-taupe .treatment-flow__step ul li {
  color: var(--color-white);
}

/* Staff Photo Section */
.staff-photo-section {
  position: relative;
  width: 100%;
  height: 858px;
  margin-top: var(--spacing-md);
}

.staff-photo-section__bg-rect {
  position: absolute;
  border-radius: var(--radius-sm);
}

.staff-photo-section__bg-rect--primary-1 {
  top: 131px;
  left: 154px;
  width: 186px;
  height: 112px;
  background-color: var(--color-primary);
}

.staff-photo-section__bg-rect--taupe {
  top: 342px;
  left: 22px;
  width: 186px;
  height: 143px;
  background-color: var(--color-bg-taupe);
}

.staff-photo-section__bg-rect--beige {
  top: 495px;
  left: 225px;
  width: 106px;
  height: 198px;
  background-color: var(--color-white);
}

.staff-photo-section__bg-rect--primary-2 {
  top: 693px;
  right: 260px;
  width: 100px;
  height: 100px;
  background-color: var(--color-primary);
}

.staff-photo-section__image {
  position: absolute;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.staff-photo-section__image--1 {
  top: 0;
  left: 0;
  width: 291px;
  height: 194px;
}

.staff-photo-section__image--2 {
  top: 218px;
  right: 0;
  width: 290px;
  height: 194px;
}

.staff-photo-section__image--3 {
  top: 439px;
  left: 0;
  width: 290px;
  height: 194px;
}

.staff-photo-section__image--4 {
  top: 658px;
  right: 0;
  width: 300px;
  height: 200px;
}

/* ========================================
   Calendar Section
   ======================================== */

.calendar__iframe-wrapper {
  width: 100%;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.calendar__iframe-wrapper iframe {
  display: block;
  width: 100%;
  height: 446px;
}

/* ========================================
   Access Section
   ======================================== */

.access__map-wrapper {
  width: 100%;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.access__map-wrapper iframe {
  display: block;
  width: 100%;
}

/* Clinic Info List (dl/dt/dd) */
.access-info {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.access-info__item {
  display: flex;
  align-items: flex-start;
  font-family: "Noto Serif JP", serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
}

.access-info__term {
  flex-shrink: 0;
  width: 65px;
  margin: 0;
  color: var(--color-text);
}

.access-info__colon {
  flex-shrink: 0;
  margin: 0;
  color: var(--color-black);
  white-space: pre;
}

.access-info__description {
  flex: 1;
  margin: 0;
  color: var(--color-text);
}

/* Contact Phone Button */
.contact-phone {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-md);
}

.contact-phone__link {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 286px;
  height: 65px;
  padding: 0 20px;
  background-color: #d9d9d9;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition-base);
  justify-content: center;
}

.contact-phone__link:hover {
  background-color: #c9c9c9;
  transform: translateY(-2px);
}

.contact-phone__icon {
  font-size: 45px;
  color: var(--color-text);
}

.contact-phone__number {
  font-family: "Noto Serif JP", serif;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-text);
  white-space: nowrap;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  position: relative;
  background-color: var(--color-bg-taupe);
  padding: 145px 15px 30px;
}

.footer__container {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  width: 100%;
  margin: 0 auto;
}

.footer__back-to-top {
  position: absolute;
  top: -20px;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
}

.footer__back-to-top:hover {
  opacity: 0.8;
  transform: translateY(-3px);
}

.footer__back-to-top-icon {
  font-size: 48px;
  color: var(--color-white);
}

.footer__back-to-top-text {
  font-family: "Noto Serif JP", serif;
  font-size: 12px;
  font-weight: 400;
  line-height: 1;
  color: var(--color-white);
  white-space: nowrap;
}

.footer__logo {
  width: 200px;
  height: auto;
}

.footer__address {
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-base);
  font-style: normal;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-white);
  text-align: center;
}

.footer__phone {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "Noto Serif JP", serif;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-white);
  text-decoration: none;
  transition: var(--transition-base);
}

.footer__phone:hover {
  opacity: 0.8;
}

.footer__phone-icon {
  font-size: 48px;
}

.footer__phone-number {
  white-space: nowrap;
}

.footer__hours {
  width: 100%;
  border-collapse: collapse;
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-sm);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-white);
}

.footer__hours-header-row {
  background-color: #aca4a2;
}

.footer__hours thead th {
  padding: 10px 4px;
  font-weight: 400;
  text-align: center;
}

.footer__hours thead th:first-child {
  text-align: left;
  padding-left: 15px;
}

.footer__hours tbody td {
  padding: 8px 4px;
  text-align: center;
}

.footer__hours tbody tr td:first-child {
  text-align: left;
  padding-left: 15px;
}

.footer__hours tbody tr:first-child td {
  border-bottom: 1px solid var(--color-white);
}

.contact-hours tbody td {
  color: var(--color-text);
}

.contact-hours tbody tr:first-child td {
  border-bottom: 1px solid var(--color-text);
}

.footer__social {
  width: 100%;
}

.footer__social-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__social-item {
  display: flex;
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  transition: var(--transition-base);
}

.footer__social-link:hover {
  opacity: 0.8;
  transform: scale(1.1);
}

.footer__social-icon {
  display: block;
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.footer__copyright {
  margin: 10px 0 0;
  font-family: "Noto Serif JP", serif;
  font-size: 10px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-white);
  text-align: center;
}

/* ========================================
   Tel Banner (Scroll Following)
   ======================================== */

.tel-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  width: 100%;
  max-width: 393px;
  margin: 0 auto;
  padding: 0 15px 20px;
  transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
  transform: translateY(0);
  opacity: 1;
}

.tel-banner.hidden {
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
}

.tel-banner__link {
  display: flex;
  align-items: center;
  gap: 15px;
  width: 100%;
  height: 65px;
  padding: 0 20px;
  background-color: #d9d9d9;
  opacity: 0.75;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: opacity 0.3s ease;
  justify-content: center;
  color: var(--color-black);
  font-weight: 800;
}

.tel-banner__link:hover {
  opacity: 0.9;
}

.tel-banner__icon {
  width: 30px;
  height: 30px;
  object-fit: contain;
  flex-shrink: 0;
}

.tel-banner__text {
  font-family: "Noto Serif JP", serif;
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: 1.5;
  color: #000000;
}

/* ========================================
   Side Banner (Fixed - Desktop Only)
   ======================================== */

.side-banner {
  display: none;
}

/* ========================================
   4. Focus Styles (Accessibility)
   ======================================== */
a:focus-visible,
button:focus-visible,
.header__hamburger:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

/* ========================================
   5. Desktop Layout
   ======================================== */

@media (min-width: 930px) {
  body {
    position: relative;
    min-height: 100vh;
    overflow-x: hidden;
    background: linear-gradient(
      to right,
      #d4c4b0 0%,
      #c4b4a0 35%,
      #a89878 65%,
      #988868 100%
    );
  }

  /* � Side Navigation � */
  .side-nav {
    position: fixed;
    inset-inline-start: 0;
    inset-block-start: 0;
    z-index: 100;
    display: block !important;
    width: var(--side-nav-width);
    height: 100vh;
    padding: var(--spacing-sm) 20px;
    overflow-y: auto;
    background-color: var(--color-bg-light);
    box-shadow: var(--shadow-md);
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .side-nav::-webkit-scrollbar {
    display: none;
  }

  .side-nav-logo {
    margin-bottom: var(--spacing-sm);
    padding: 0 10px;
    text-align: center;
  }

  .side-nav-logo img {
    width: 100%;
    max-width: 150px;
    height: auto;
    transition: filter var(--transition-base), opacity var(--transition-base);
  }

  /* Side Nav Section */

  .side-nav-section {
    margin-bottom: var(--spacing-sm);
  }
  .side-nav .menu__item {
    padding: 15px 5px;
    min-height: 150px;
    opacity: 1 !important;
    transform: none !important;
  }
  .side-nav .menu__item-title {
    font-size: var(--font-size-xs);
  }

  /* Treatment Menu */
  .side-nav .treatment-menu__item {
    opacity: 1 !important;
    transform: none !important;
  }
  .side-nav .treatment-menu__text {
    font-size: var(--font-size-sm);
  }
  .side-nav .treatment-menu__grid {
    padding: 0;
  }

  /* Side Nav Footer */
  .side-nav .footer__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 100%;
    margin: 0 auto;
  }

  .side-nav .footer__address {
    font-family: "Noto Serif JP", serif;
    font-size: var(--font-size-base);
    font-style: normal;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-text);
    text-align: center;
  }

  .side-nav .footer__phone {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: "Noto Serif JP", serif;
    font-size: 30px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition-base);
  }

  .side-nav .footer__phone:hover {
    opacity: 0.8;
  }

  .side-nav .footer__phone-icon {
    font-size: 48px;
  }

  .side-nav .footer__phone-number {
    white-space: nowrap;
  }

  .side-nav .footer__hours {
    width: 100%;
    border-collapse: collapse;
    font-family: "Noto Serif JP", serif;
    font-size: var(--font-size-sm);
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-text);
  }

  .side-nav .footer__hours-header-row {
    background-color: #aca4a2;
    color: var(--color-white);
  }

  .side-nav .footer__hours thead th {
    padding: 10px 4px;
    font-weight: 400;
    text-align: center;
  }

  .side-nav .footer__hours thead th:first-child {
    text-align: left;
    padding-left: 15px;
  }

  .side-nav .footer__hours tbody td {
    padding: 8px 4px;
    text-align: center;
  }

  .side-nav .footer__hours tbody tr td:first-child {
    text-align: left;
    padding-left: 15px;
  }

  .side-nav .footer__hours tbody tr:first-child td {
    border-bottom: 1px solid var(--color-text);
  }

  .side-nav .footer__copyright {
    margin: 10px 0 0;
    font-family: "Noto Serif JP", serif;
    font-size: 10px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-text);
    text-align: center;
  }

  /* Main content wrapper on desktop */
  .page {
    position: relative;
    z-index: 10;
    width: var(--content-width);
    max-width: var(--content-width);
    margin-inline-start: calc(
      var(--side-nav-width) +
        (100vw - var(--side-nav-width) - var(--content-width)) / 2
    );
    margin-inline-end: auto;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
  }

  .hero {
    height: 555px;
  }

  .hero__image {
    height: 439px;
  }

  .section__heading {
    padding: 30px 0 0 0;
  }

  /* Hide mobile hamburger on desktop */
  .header__hamburger {
    display: none;
  }

  /* Hide tel-banner on desktop */
  .tel-banner {
    display: none;
  }

  /* � Fixed Side Banner (Desktop Only - 1366px and above) � */
  @media (min-width: 1366px) {
    .side-banner {
      position: fixed;
      bottom: 0;
      right: calc(
        (100vw - var(--side-nav-width) - var(--content-width)) / 4 - 70px
      );
      z-index: 50;
      display: block;
      width: 150px;
      transform: translateY(-10%);
    }

    .side-banner__link {
      display: block;
      width: 100%;
      transition: var(--transition-base);
    }

    .side-banner__link:hover {
      opacity: 0.9;
      transform: scale(1.02);
    }

    .side-banner__image {
      display: block;
      width: 100%;
      height: auto;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-sm);
    }
  }
}

/* ========================================
   6. Mobile Layout
   ======================================== */
@media (max-width: 929px) {
  /* Hamburger menu stays fixed and follows page alignment */
  .header__hamburger {
    position: fixed;
    top: 25px;
    right: calc(
      (100vw - min(var(--content-width), 100vw)) / 2 + var(--spacing-xs)
    );
    z-index: 1001;
  }

  /* Hamburger Animation - Transform to Close (X) */
  .header__hamburger.is-active .header__hamburger-line:nth-child(1) {
    transform: translateY(16px) rotate(45deg);
  }

  .header__hamburger.is-active .header__hamburger-line:nth-child(2) {
    opacity: 0;
  }

  .header__hamburger.is-active .header__hamburger-line:nth-child(3) {
    transform: translateY(-16px) rotate(-45deg);
  }

  /* Side Nav - Fullscreen Overlay */
  .side-nav {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    padding: 30px var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-bg-beige);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }
  .side-nav-logo {
    margin-bottom: var(--spacing-sm);
    padding: 0 10px;
    text-align: center;
  }

  .side-nav-logo img {
    width: 100%;
    max-width: 150px;
    height: auto;
    transition: filter var(--transition-base), opacity var(--transition-base);
  }

  /* Side Nav Section */

  .side-nav-section {
    margin-bottom: var(--spacing-sm);
  }
  .side-nav .menu__item {
    padding: 15px 5px;
    min-height: 150px;
    opacity: 1 !important;
    transform: none !important;
  }
  .side-nav .menu__item-title {
    font-size: var(--font-size-xs);
  }

  /* Treatment Menu */
  .side-nav .treatment-menu__item {
    opacity: 1 !important;
    transform: none !important;
  }
  .side-nav .treatment-menu__text {
    font-size: var(--font-size-sm);
  }
  .side-nav .treatment-menu__grid {
    padding: 0;
  }

  .side-nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .page {
    width: 100%;
    max-width: var(--content-width);
    margin: 0 auto;
  }
}

@media (max-width: 540px) {
  /* Adjust offset for narrow viewports */
  .header__hamburger {
    right: var(--spacing-xs);
  }
}

/* ========================================
   Header Visual (Subpages)
   ======================================== */

.header-visual {
  position: relative;
  width: 100%;
  padding-top: 20px;
  height: 320px;
  background-color: var(--color-bg-beige);
}

.header-visual__image {
  position: relative;
  width: 100%;
  height: 234px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.header-visual__image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.header-visual__title {
  position: absolute;
  bottom: 86px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: calc(100% - 30px);
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin: 0;
  padding: 0 10px;
  background-color: rgba(255, 255, 255, 0.7);
  border-top: 1px solid var(--color-white);
  border-bottom: 1px solid var(--color-white);
  font-family: "Noto Serif JP", serif;
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
  color: #514e4e;
  text-align: left;
}

.header-visual__breadcrumb {
  position: absolute;
  bottom: 0px;
  left: 0;
  width: 100%;
  height: 66px;
  display: flex;
  align-items: center;
  padding-left: 15px;
  background-color: var(--color-bg-beige);
  border-bottom-right-radius: 60px;
  font-family: "Noto Serif JP", serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.8;
  color: var(--color-text);
}

.header-visual__breadcrumb a {
  color: var(--color-text);
  text-decoration: none;
  transition: var(--transition-base);
}

.header-visual__breadcrumb a:hover {
  opacity: 0.7;
}

/* Header Visual - Desktop (540px and above) */
@media (min-width: 540px) {
  .header-visual {
    height: auto;
    padding-bottom: 60px;
  }

  .header-visual__image {
    height: 360px;
  }

  .header-visual__title {
    top: initial;
    bottom: 90px;
  }

  .header-visual__breadcrumb {
    top: initial;
    bottom: 0;
  }
}

/* ========================================
 * パフォーマンス最適化
 * GSAPアニメーションとスクロール体験の向上
 * ======================================== */

/* アニメーション完了後のクリーンアップ */
.animation-complete {
  will-change: auto !important;
}

/* スムーススクロール設定 */
html {
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}

/* モバイル最適化 */
body {
  touch-action: manipulation;
  -webkit-font-smoothing: antialiased;
}

/* モバイルのタップハイライト除去 */
* {
  -webkit-tap-highlight-color: transparent;
}

/* GSAPアニメーション中のみ適用されるクラス */
.gsap-animating {
  will-change: transform, opacity;
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* Reduced Motion対応 */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}