/* ============================================
   Balance Body Kids Academy - Stylesheet
   ============================================ */

/* --------------------------------------------
   CSS Variables
   -------------------------------------------- */
:root {
  /* Colors */
  --color-primary: #C9A84C;
  --color-primary-light: #E8D8A8;
  --color-primary-dark: #9A7B2F;

  --color-black: #1A1A1A;
  --color-gray-dark: #333333;
  --color-gray: #666666;
  --color-gray-light: #999999;
  --color-gray-lighter: #E5E5E5;
  --color-white: #FFFFFF;
  --color-off-white: #FAFAF8;
  --color-cream: #F5F3EE;

  /* Avatar Colors */
  --color-avatar-yellow: #f5a84a;
  --color-avatar-blue: #3a9fa3;
  --color-avatar-pink: #e0508a;
  --color-avatar-green: #7dc840;
  --color-avatar-gray: #8E9AAF;

  /* Typography */
  --font-serif-en: 'Cormorant Garamond', serif;
  --font-serif-jp: 'Noto Serif JP', serif;
  --font-sans-jp: 'Noto Sans JP', sans-serif;

  /* Spacing */
  --section-padding: 120px;
  --section-padding-sp: 80px;
  --container-width: 1200px;
  --container-padding: 40px;

  /* Transitions */
  --transition-default: 0.3s ease;
  --transition-slow: 0.6s ease;
}

/* --------------------------------------------
   Reset & Base
   -------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans-jp);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 2;
  color: var(--color-gray-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-default);
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

address {
  font-style: normal;
}

/* --------------------------------------------
   Utility Classes
   -------------------------------------------- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* --------------------------------------------
   Header
   -------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: transparent;
  transition: var(--transition-default);
}

.header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px var(--container-padding);
}

.header__logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
}

.header__logo-mark {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
}

.header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.header__logo-main {
  font-family: var(--font-serif-en);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-black);
}

.header__logo-sub {
  font-family: var(--font-serif-en);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-gray);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.header__nav-list {
  display: flex;
  gap: 32px;
}

.header__nav-list a {
  font-family: var(--font-serif-en);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-gray);
  position: relative;
}

.header__nav-list a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-primary);
  transition: var(--transition-default);
}

.header__nav-list a:hover::after {
  width: 100%;
}

.header__cta {
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 12px 24px;
  border: 1px solid var(--color-black);
  transition: var(--transition-default);
}

.header__cta:hover {
  background-color: var(--color-black);
  color: var(--color-white);
}

.header__menu-btn {
  display: none;
  width: 28px;
  height: 20px;
  position: relative;
}

.header__menu-btn span {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--color-black);
  position: absolute;
  left: 0;
  transition: var(--transition-default);
}

.header__menu-btn span:first-child {
  top: 0;
}

.header__menu-btn span:last-child {
  bottom: 0;
}

/* --------------------------------------------
   Hero Section
   -------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background-color: var(--color-off-white);
  padding: 120px var(--container-padding) 80px;
}

.hero__inner {
  text-align: center;
  max-width: 800px;
}

.hero__lead {
  font-family: var(--font-serif-en);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--color-gray);
  margin-bottom: 40px;
}

.hero__title {
  font-family: var(--font-serif-jp);
  font-size: 4.8rem;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.1em;
  color: var(--color-black);
  margin-bottom: 32px;
}

.hero__title-line {
  display: block;
}

.sp-br {
  display: none;
}

@media (max-width: 768px) {
  .sp-br {
    display: inline;
  }
}

.hero__subtitle {
  font-family: var(--font-serif-jp);
  font-size: 2.4rem;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.08em;
  color: var(--color-gray);
  margin-bottom: 32px;
}

.hero__subtitle-line {
  display: block;
}

.hero__desc {
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--color-gray);
  margin-bottom: 56px;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 20px 48px;
  background-color: var(--color-black);
  color: var(--color-white);
  transition: var(--transition-default);
}

.hero__cta:hover {
  background-color: var(--color-primary-dark);
}

.hero__cta-arrow {
  font-family: var(--font-serif-en);
  transition: var(--transition-default);
}

.hero__cta:hover .hero__cta-arrow {
  transform: translateX(4px);
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  right: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.hero__scroll-text {
  font-family: var(--font-serif-en);
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  color: var(--color-gray);
  writing-mode: vertical-rl;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-gray), transparent);
  animation: scrollLine 1.5s ease-in-out infinite;
}

@keyframes scrollLine {
  0% {
    opacity: 0;
    transform: scaleY(0);
    transform-origin: top;
  }
  50% {
    opacity: 1;
    transform: scaleY(1);
    transform-origin: top;
  }
  100% {
    opacity: 0;
    transform: scaleY(1);
    transform-origin: bottom;
  }
}

/* --------------------------------------------
   Section Common
   -------------------------------------------- */
section {
  padding: var(--section-padding) 0;
}

/* Section Label */
[class$="__label"] {
  font-family: var(--font-serif-en);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--color-primary);
  margin-bottom: 24px;
}

/* Section Title */
[class$="__title"] {
  font-family: var(--font-serif-jp);
  font-size: 3.2rem;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.08em;
  color: var(--color-black);
  margin-bottom: 40px;
}

/* --------------------------------------------
   Mission Section
   -------------------------------------------- */
.mission {
  background-color: var(--color-white);
}

.mission__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.mission__header {
  text-align: center;
  margin-bottom: 72px;
}

.mission__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 80px;
}

.mission__row--reverse {
  direction: rtl;
}

.mission__row--reverse > * {
  direction: ltr;
}

.mission__row-text {
  font-size: 1.5rem;
  line-height: 2.2;
  color: var(--color-gray);
}

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

/* --------------------------------------------
   Problem Section
   -------------------------------------------- */
.problem {
  background-color: var(--color-cream);
}

.problem__inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}

.problem__tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.problem__tab {
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  padding: 12px 24px;
  border: 1px solid var(--color-gray-lighter);
  background-color: var(--color-white);
  color: var(--color-gray);
  transition: var(--transition-default);
}

.problem__tab:hover {
  border-color: var(--color-gray);
}

.problem__tab.is-active {
  background-color: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}

.problem__content {
  display: none;
  text-align: left;
  background-color: var(--color-white);
  padding: 56px;
}

.problem__content.is-active {
  display: block;
}

.problem__content-title {
  font-family: var(--font-serif-jp);
  font-size: 2.4rem;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.05em;
  color: var(--color-black);
  margin-bottom: 32px;
}

.problem__content-text {
  font-size: 1.5rem;
  line-height: 2.2;
  color: var(--color-gray);
  margin-bottom: 0;
}

.problem__checklist {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.problem__checklist li {
  font-size: 1.3rem;
  letter-spacing: 0.05em;
  padding: 10px 20px;
  background-color: var(--color-off-white);
  border: 1px solid var(--color-gray-lighter);
  position: relative;
  padding-left: 36px;
}

.problem__checklist li::before {
  content: '✓';
  position: absolute;
  left: 14px;
  color: var(--color-primary);
}

/* --------------------------------------------
   Solution Section
   -------------------------------------------- */
.solution {
  background-color: var(--color-white);
}

.solution__inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}

.solution__lead {
  font-size: 1.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-black);
  margin-bottom: 24px;
}

.solution__subtitle {
  font-family: var(--font-serif-ja);
  font-size: 1.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-black);
  margin-top: 72px;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-gray-lighter);
  text-align: left;
}

.solution__text {
  font-size: 1.5rem;
  line-height: 2;
  color: var(--color-gray);
  margin-bottom: 64px;
  text-align: left;
}

.solution__bodymap-img {
  width: 60%;
  max-width: 60%;
  display: block;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .solution__bodymap-img {
    width: 80%;
    max-width: 80%;
  }
}

.solution__avatars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.solution__avatar {
  text-align: center;
  padding: 32px 16px;
  background-color: var(--color-off-white);
}

.solution__avatar-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.solution__avatar-color {
  display: block;
  font-family: var(--font-serif-en);
  font-size: 1.3rem;
  letter-spacing: 0.15em;
  color: var(--color-gray);
  font-weight: 500;
  margin-bottom: 12px;
}

.solution__avatar-name {
  font-family: var(--font-serif-en);
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  color: var(--color-black);
  margin-bottom: 8px;
}

.solution__avatar-role {
  font-size: 1.2rem;
  color: var(--color-gray);
}

/* --------------------------------------------
   Program Section
   -------------------------------------------- */
.program {
  background-color: var(--color-off-white);
}

.program__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}

.program__cards {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  column-gap: 8px;
  row-gap: 32px;
  align-items: stretch;
  margin-top: 64px;
}

.program__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
}

.program__arrow::before {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 11px solid var(--color-primary);
  opacity: 0.55;
}

.program__card {
  text-align: left;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-lighter);
  overflow: hidden;
}

.program__card-img {
  aspect-ratio: 16/9;
  width: 100%;
}

.program__card-body {
  padding: 48px 40px;
}

.program__card-num {
  font-family: var(--font-serif-en);
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  display: block;
  margin-bottom: 24px;
}

.program__card-title {
  font-family: var(--font-serif-en);
  font-size: 2.2rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-black);
  margin-bottom: 8px;
}

.program__card-subtitle {
  font-size: 1.3rem;
  color: var(--color-gray);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-gray-lighter);
}

.program__card-text {
  font-size: 1.4rem;
  line-height: 2;
  color: var(--color-gray);
}

/* --------------------------------------------
   Facility Section
   -------------------------------------------- */
.facility {
  background-color: var(--color-white);
}

.facility__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}

.facility__text {
  font-size: 1.5rem;
  line-height: 2.2;
  color: var(--color-gray);
  margin-bottom: 56px;
}

.facility__gallery-main {
  margin-bottom: 16px;
}

.facility__gallery-placeholder {
  aspect-ratio: 16/9;
  background-color: var(--color-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif-en);
  font-size: 1.4rem;
  color: var(--color-gray-light);
  border: 1px solid var(--color-gray-lighter);
}

.facility__gallery-sub {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.facility__gallery-sub .facility__gallery-placeholder {
  aspect-ratio: 4/3;
}

/* --------------------------------------------
   Instructors Section
   -------------------------------------------- */
.instructors {
  background-color: var(--color-cream);
}

.instructors__inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}

.instructors__content {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  text-align: left;
  margin-top: 56px;
  padding-top: 56px;
  border-top: 1px solid var(--color-gray-lighter);
}

.instructors__content:first-of-type {
  border-top: none;
  padding-top: 0;
}

.instructors__photo-placeholder {
  aspect-ratio: 3/4;
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif-en);
  font-size: 1.4rem;
  color: var(--color-gray-light);
  border: 1px solid var(--color-gray-lighter);
}

.instructors__name {
  margin-bottom: 24px;
}

.instructors__name-en {
  font-family: var(--font-serif-en);
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  color: var(--color-gray-light);
  display: block;
  margin-bottom: 6px;
}

.instructors__name-ja {
  font-family: var(--font-serif-jp);
  font-size: 2.4rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-black);
  display: block;
  margin-bottom: 8px;
}

.instructors__name-role {
  font-family: var(--font-serif-en);
  font-size: 1.2rem;
  letter-spacing: 0.15em;
  color: var(--color-gray);
}

.instructors__career {
  font-size: 1.3rem;
  line-height: 2;
  color: var(--color-gray);
  margin-bottom: 32px;
}

.instructors__career li {
  position: relative;
  padding-left: 16px;
}

.instructors__career li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-gray-light);
}

.instructors__message {
  font-family: var(--font-serif-jp);
  font-size: 1.5rem;
  line-height: 2.2;
  color: var(--color-gray-dark);
  padding-left: 24px;
  border-left: 2px solid var(--color-primary);
}

/* --------------------------------------------
   Results Section
   -------------------------------------------- */
.results {
  background-color: var(--color-white);
}

.results__inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}

.results__lead {
  font-size: 1.5rem;
  line-height: 2;
  color: var(--color-gray);
  margin-bottom: 56px;
}

.results__blueprint {
  margin-bottom: 64px;
}

.results__blueprint-placeholder {
  aspect-ratio: 16/10;
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--color-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif-en);
  font-size: 1.4rem;
  color: var(--color-gray-light);
  border: 1px solid var(--color-gray-lighter);
}

.results__cases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.results__case {
  text-align: left;
  background-color: var(--color-off-white);
  padding: 32px;
}

.results__case-placeholder {
  aspect-ratio: 16/9;
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif-en);
  font-size: 1.3rem;
  color: var(--color-gray-light);
  border: 1px solid var(--color-gray-lighter);
  margin-bottom: 24px;
}

.results__case-name {
  font-family: var(--font-serif-jp);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--color-black);
  margin-bottom: 8px;
}

.results__case-text {
  font-size: 1.4rem;
  color: var(--color-gray);
}

/* --------------------------------------------
   Price Section
   -------------------------------------------- */
.price {
  background-color: var(--color-off-white);
}

.price__inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}

.price__table {
  margin-bottom: 32px;
}

.price__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 20px 32px;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-lighter);
}

.price__row--header {
  background-color: var(--color-cream);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.price__amount {
  font-family: var(--font-serif-en);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-black);
}

.price__notes {
  text-align: left;
  font-size: 1.3rem;
  color: var(--color-gray);
  margin-bottom: 56px;
}

.price__notes li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
}

.price__notes li::before {
  content: '※';
  position: absolute;
  left: 0;
  color: var(--color-gray-light);
}

.price__schedule {
  text-align: center;
}

.price__schedule-title {
  font-family: var(--font-serif-en);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--color-gray);
  margin-bottom: 24px;
}

.price__schedule-hint {
  display: none;
}

.price__schedule-table {
  background-color: var(--color-white);
}

.price__schedule-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
}

.price__schedule-row--header {
  font-family: var(--font-serif-en);
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  color: var(--color-gray);
  background-color: var(--color-cream);
}

.price__schedule-row span {
  padding: 16px 8px;
  border-right: 1px solid var(--color-gray-lighter);
  font-size: 1.2rem;
  line-height: 1.8;
}

.price__schedule-row span:last-child {
  border-right: none;
}

/* --------------------------------------------
   Price Actions
   -------------------------------------------- */
.price__actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.price__action-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 20px 40px;
  transition: var(--transition-default);
}

.price__action-btn-arrow {
  font-family: var(--font-serif-en);
  transition: var(--transition-default);
}

.price__action-btn:hover .price__action-btn-arrow {
  transform: translateX(4px);
}

.price__action-btn--trial {
  background-color: var(--color-black);
  color: var(--color-white);
}

.price__action-btn--trial:hover {
  background-color: var(--color-primary-dark);
}

.price__action-btn--join {
  background-color: transparent;
  color: var(--color-black);
  border: 1px solid var(--color-black);
}

.price__action-btn--join:hover {
  background-color: var(--color-black);
  color: var(--color-white);
}

.price__guide-link {
  flex-basis: 100%;
  width: 100%;
  margin-top: 4px;
  font-size: 1.3rem;
  color: var(--color-gray);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-align: center;
  transition: color 0.2s;
}

.price__guide-link:hover {
  color: var(--color-primary);
}

/* --------------------------------------------
   CTA Section
   -------------------------------------------- */
.cta {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 100px 0;
}

.cta__inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}

.cta__label {
  color: var(--color-primary);
}

.cta__title {
  color: var(--color-white);
  margin-bottom: 32px;
}

.cta__text {
  font-size: 1.5rem;
  line-height: 2.2;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 48px;
}

.cta__button {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 24px 56px;
  background-color: var(--color-primary);
  color: var(--color-black);
  transition: var(--transition-default);
}

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

.cta__button-arrow {
  font-family: var(--font-serif-en);
  transition: var(--transition-default);
}

.cta__button:hover .cta__button-arrow {
  transform: translateX(4px);
}

.cta__buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta__button--secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.cta__button--secondary:hover {
  background-color: rgba(255, 255, 255, 0.10);
  border-color: var(--color-white);
}

.cta__guide-link {
  flex-basis: 100%;
  width: 100%;
  margin-top: 4px;
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.5);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-align: center;
  transition: color 0.2s;
}

.cta__guide-link:hover {
  color: rgba(255, 255, 255, 0.85);
}

.cta__note {
  margin-top: 32px;
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.5);
}

.cta__note small {
  font-size: 1.2rem;
}

/* --------------------------------------------
   FAQ Section
   -------------------------------------------- */
.faq {
  background-color: var(--color-white);
}

.faq__inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}

.faq__list {
  text-align: left;
  margin-top: 56px;
}

.faq__item {
  border-bottom: 1px solid var(--color-gray-lighter);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 24px 0;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-black);
  cursor: pointer;
  list-style: none;
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__icon {
  width: 16px;
  height: 16px;
  position: relative;
  flex-shrink: 0;
}

.faq__icon::before,
.faq__icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-gray);
  transition: var(--transition-default);
}

.faq__icon::before {
  width: 16px;
  height: 1px;
  top: 50%;
  left: 0;
}

.faq__icon::after {
  width: 1px;
  height: 16px;
  left: 50%;
  top: 0;
}

.faq__item[open] .faq__icon::after {
  transform: rotate(90deg);
}

.faq__answer {
  padding: 0 0 24px;
  font-size: 1.4rem;
  line-height: 2;
  color: var(--color-gray);
}

/* --------------------------------------------
   Access Section
   -------------------------------------------- */
.access {
  background-color: var(--color-off-white);
}

.access__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}

.access__content {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 56px;
  text-align: left;
  margin-top: 56px;
}

.access__map-placeholder {
  aspect-ratio: 4/3;
  background-color: var(--color-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif-en);
  font-size: 1.4rem;
  color: var(--color-gray-light);
  border: 1px solid var(--color-gray-lighter);
  overflow: hidden;
}

.access__map-placeholder iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.access__name {
  font-family: var(--font-serif-en);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-black);
  margin-bottom: 16px;
}

.access__address {
  font-size: 1.4rem;
  line-height: 1.8;
  color: var(--color-gray);
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-gray-lighter);
}

.access__details {
  font-size: 1.4rem;
}

.access__details > div {
  display: grid;
  grid-template-columns: 80px 1fr;
  margin-bottom: 12px;
}

.access__details dt {
  color: var(--color-gray);
}

.access__details dd {
  color: var(--color-black);
}

/* --------------------------------------------
   Footer
   -------------------------------------------- */
.footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 80px 0 40px;
}

.footer__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.footer__brand {
  text-align: center;
  margin-bottom: 48px;
}

.footer__logo {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.2;
  margin-bottom: 16px;
}

.footer__logo-main {
  font-family: var(--font-serif-en);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.footer__logo-sub {
  font-family: var(--font-serif-en);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
}

.footer__tagline {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer__nav {
  text-align: center;
  margin-bottom: 40px;
}

.footer__nav ul {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.footer__nav a {
  font-family: var(--font-serif-en);
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.7);
}

.footer__nav a:hover {
  color: var(--color-white);
}

.footer__social {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 48px;
}

.footer__social-link {
  font-family: var(--font-serif-en);
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.7);
  padding: 0;
  transition: var(--transition-default);
}

.footer__social-link:hover {
  color: var(--color-primary);
}

/* --------------------------------------------
   QR Modal
   -------------------------------------------- */
.qr-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}

.qr-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.qr-modal__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(26, 26, 26, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.qr-modal__dialog {
  position: relative;
  background-color: var(--color-white);
  padding: 56px 48px 40px;
  border-radius: 8px;
  width: calc(100% - 40px);
  max-width: 360px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  transform: translateY(20px);
  transition: transform 0.4s ease;
}

.qr-modal.is-open .qr-modal__dialog {
  transform: translateY(0);
}

.qr-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-modal__close span {
  position: absolute;
  width: 18px;
  height: 1px;
  background-color: var(--color-gray-dark);
  transition: var(--transition-default);
}

.qr-modal__close span:first-child {
  transform: rotate(45deg);
}

.qr-modal__close span:last-child {
  transform: rotate(-45deg);
}

.qr-modal__close:hover span {
  background-color: var(--color-primary);
}

.qr-modal__title {
  font-family: var(--font-serif-en);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-black);
  margin-bottom: 24px;
}

.qr-modal__qr {
  width: 240px;
  height: 240px;
  margin: 0 auto 20px;
  padding: 12px;
  background-color: var(--color-cream);
  border-radius: 4px;
}

.qr-modal__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.qr-modal__caption {
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  color: var(--color-gray);
  line-height: 1.8;
}

@media (max-width: 768px) {
  .qr-modal__dialog {
    padding: 48px 24px 32px;
  }

  .qr-modal__qr {
    width: 200px;
    height: 200px;
    margin-bottom: 0;
  }

  .qr-modal__caption {
    display: none;
  }
}

.footer__legal {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 16px;
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 24px;
}

.footer__links a {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer__links a:hover {
  color: rgba(255, 255, 255, 0.7);
}

/* --------------------------------------------
   Fixed CTA
   -------------------------------------------- */
.fixed-cta {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-default);
  pointer-events: none;
}

.fixed-cta.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.fixed-cta__button {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  background-color: var(--color-black);
  color: var(--color-white);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: var(--transition-default);
}

.fixed-cta__button:hover {
  background-color: var(--color-primary-dark);
}

.fixed-cta__arrow {
  font-family: var(--font-serif-en);
  transition: var(--transition-default);
}

.fixed-cta__button:hover .fixed-cta__arrow {
  transform: translateX(4px);
}

/* --------------------------------------------
   Responsive
   -------------------------------------------- */
@media (max-width: 1024px) {
  :root {
    --section-padding: 100px;
    --container-padding: 32px;
  }

  .mission__row {
    gap: 40px;
  }

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

  .program__cards {
    grid-template-columns: 1fr;
    row-gap: 0;
  }

  .program__arrow {
    padding: 16px 0;
  }

  .program__arrow::before {
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 11px solid var(--color-primary);
    border-bottom: none;
  }

  .instructors__content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .instructors__photo {
    max-width: 280px;
    margin: 0 auto;
  }

  .instructors__info {
    text-align: center;
  }

  .instructors__career {
    display: inline-block;
    text-align: left;
  }

  .instructors__message {
    text-align: left;
  }

  .access__content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .access__info {
    max-width: 400px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 80px;
    --container-padding: 24px;
  }

  .mission__row {
    grid-template-columns: 1fr;
    gap: 32px;
    direction: ltr;
  }

  .mission__row-img {
    order: -1;
  }

  .header__nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-white);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 48px;
    z-index: 99;
  }

  .header__nav.is-open {
    display: flex;
  }

  .header__nav-list {
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }

  .header__nav-list a {
    font-size: 1.8rem;
  }

  .header__menu-btn {
    display: block;
    z-index: 100;
  }

  .header__menu-btn.is-open span:first-child {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
  }

  .header__menu-btn.is-open span:last-child {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
  }

  .hero__title {
    font-size: 3.2rem;
  }

  .hero__subtitle {
    font-size: 1.8rem;
  }

  .hero__cta {
    padding: 16px 32px;
  }

  .hero__scroll {
    right: 20px;
    bottom: 24px;
  }

  [class$="__title"] {
    font-size: 2.4rem;
  }

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

  .problem__tab {
    width: 100%;
  }

  .problem__content {
    padding: 32px 24px;
  }

  .problem__content-title {
    font-size: 2rem;
  }

  .problem__checklist {
    flex-direction: column;
  }

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

  .program__cards {
    grid-template-columns: 1fr;
  }

  .program__card {
    padding: 32px 24px;
  }

  .facility__gallery-sub {
    grid-template-columns: 1fr;
  }

  .results__cases {
    grid-template-columns: 1fr;
  }

  .price__schedule-row {
    grid-template-columns: repeat(7, 1fr);
    font-size: 1rem;
  }

  .price__schedule-row span {
    padding: 12px 4px;
    font-size: 1rem;
  }

  .price__actions,
  .cta__buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .price__action-btn,
  .cta__button {
    justify-content: center;
  }

  .cta__button {
    padding: 20px 40px;
    font-size: 1.4rem;
  }

  .fixed-cta {
    bottom: 0;
    right: 0;
    left: 0;
    padding: 16px;
    background-color: var(--color-white);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  }

  .footer {
    padding-bottom: 100px;
  }

  .fixed-cta__button {
    width: 100%;
    justify-content: center;
  }
}

/* ────────────────────────────────
   Hero Scroll Animation
   ──────────────────────────────── */
.hero-wrapper {
  height: 600vh;
}

.hero--scroll {
  position: sticky;
  top: 0;
  height: 100vh;
  min-height: unset;
  overflow: hidden;
}

.hero__bg-layers {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero__bg-layer {
  position: absolute;
  inset: 0;
  background-size: auto 45%;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0;
  will-change: opacity;
}

.hero--scroll .hero__inner {
  position: relative;
  z-index: 1;
}

.hero--scroll .hero__scroll {
  z-index: 1;
}

/* ──────────────────────────────── */

@media (max-width: 480px) {
  .hero__title {
    font-size: 2.6rem;
  }

  .hero__subtitle {
    font-size: 1.5rem;
  }

  .hero__lead {
    font-size: 1.1rem;
  }

  .solution__avatars {
    grid-template-columns: 1fr;
  }

  .price__row {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 8px;
  }

  .price__schedule-scroll-wrap {
    position: relative;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .price__schedule-table {
    min-width: 480px;
  }

  .price__schedule-hint {
    display: inline-block;
    font-family: var(--font-serif-en);
    font-size: 1.3rem;
    letter-spacing: 0.1em;
    color: var(--color-gray);
    margin-bottom: 8px;
    transition: opacity 0.4s ease;
  }

  .price__schedule-hint.is-hidden {
    opacity: 0;
    pointer-events: none;
  }
}

/* ────────────────────────────────
   Page-Wide Fixed Background
   ──────────────────────────────── */

/* html をベースキャンバスに、body を透過させる */
html {
  background-color: var(--color-off-white);
}

body {
  background-color: transparent;
}

/* 固定背景コンテナ */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.page-bg__inner {
  position: absolute;
  inset: 0;
}

.page-bg__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  will-change: opacity;
}

@media (min-width: 769px) {
  .page-bg__video--contain {
    object-fit: contain;
    transform: scale(1.25);
  }
}

/* Hero: 背景は透明（動画がそのまま見える）、オーバーレイは別divで制御 */
.hero {
  background: transparent;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(0, 0, 0, 0.52) 0%,
    rgba(0, 0, 0, 0.32) 50%,
    rgba(0, 0, 0, 0.58) 100%
  );
  opacity: 0;
  pointer-events: none;
  z-index: 0;
}

/* Hero イントロ（1本目動画中に浮き上がって消えるブランド名） */
.hero__intro {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  pointer-events: none;
}

.hero__intro-text {
  font-family: var(--font-serif-en);
  font-size: clamp(2.2rem, 4.5vw, 4.2rem);
  font-weight: 400;
  letter-spacing: 0.28em;
  color: rgba(0, 0, 0, 0.82);
  text-align: center;
  text-shadow: 0 2px 24px rgba(255, 255, 255, 0.15);
}

/* Hero コンテンツをオーバーレイの上に */
.hero__inner {
  position: relative;
  z-index: 1;
}

.hero__scroll {
  z-index: 1;
}

/* Hero テキスト → 白文字（暗いオーバーレイに対して） */
.hero__lead {
  color: rgba(255, 255, 255, 0.68);
}
.hero__title {
  color: var(--color-white);
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.25);
}
.hero__subtitle {
  color: rgba(255, 255, 255, 0.75);
}
.hero__desc {
  color: rgba(255, 255, 255, 0.70);
}
.hero__cta {
  background-color: var(--color-white);
  color: var(--color-black);
}
.hero__cta:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}
.hero__scroll-text {
  color: rgba(255, 255, 255, 0.50);
}
.hero__scroll-line {
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.50), transparent);
}

/* ヘッダー: デフォルト白文字（Hero の暗い背景の上）*/
.header__logo-mark {
  filter: brightness(0) invert(1);
}
.header__logo-main {
  color: var(--color-white);
}
.header__logo-sub {
  color: rgba(255, 255, 255, 0.60);
}
.header__nav-list a {
  color: rgba(255, 255, 255, 0.78);
}
.header__cta {
  border-color: rgba(255, 255, 255, 0.65);
  color: var(--color-white);
}
.header__menu-btn span {
  background-color: var(--color-white);
}

/* ヘッダー: スクロール後 → 暗文字（白いフロストガラスの上）*/
.header.is-scrolled .header__logo-mark {
  filter: none;
}
.header.is-scrolled .header__logo-main {
  color: var(--color-black);
}
.header.is-scrolled .header__logo-sub {
  color: var(--color-gray);
}
.header.is-scrolled .header__nav-list a {
  color: var(--color-gray);
}
.header.is-scrolled .header__cta {
  border-color: var(--color-black);
  color: var(--color-black);
}
.header.is-scrolled .header__menu-btn span {
  background-color: var(--color-black);
}

/* コンテンツセクション: 透過 — 動画がセクション間から見える */
.mission,
.problem,
.solution,
.program,
.facility,
.instructors,
.results,
.price,
.faq,
.access {
  background: transparent;
}

/* __inner コンテナ: フロストガラスのパネルとして浮かび上がる
   セクションの padding（上下120px）がそのまま動画の「のぞき窓」になる */
.mission__inner,
.solution__inner,
.facility__inner,
.price__inner,
.faq__inner,
.access__inner {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  padding-top: 72px;
  padding-bottom: 72px;
}

.problem__inner,
.program__inner,
.results__inner,
.instructors__inner {
  background: rgba(245, 243, 238, 0.82);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  padding-top: 72px;
  padding-bottom: 72px;
}

/* モバイルナビオープン時: 白背景の上では暗い文字色 */
.header__nav.is-open .header__nav-list a {
  color: var(--color-gray-dark);
}
.header__nav.is-open .header__cta {
  border-color: var(--color-black);
  color: var(--color-black);
}
.header__menu-btn.is-open span {
  background-color: var(--color-black);
}

/* ダークセクションはそのまま（固定背景を隠す） */
.cta    { background-color: var(--color-black); }
.footer { background-color: var(--color-black); }

/* ────────────────────────────────────────────────
   モバイル: 動画の見え方を改善
   ①横マージンで左右の隙間を作る
   ②ガラスの不透明度・ブラーを下げて動画を透けさせる
   ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .mission__inner,
  .solution__inner,
  .facility__inner,
  .price__inner,
  .faq__inner,
  .access__inner,
  .problem__inner,
  .program__inner,
  .results__inner,
  .instructors__inner {
    margin-left: 10px;
    margin-right: 10px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .mission__inner,
  .solution__inner,
  .facility__inner,
  .price__inner,
  .faq__inner,
  .access__inner {
    background: rgba(255, 255, 255, 0.70);
  }

  .problem__inner,
  .program__inner,
  .results__inner,
  .instructors__inner {
    background: rgba(245, 243, 238, 0.72);
  }
}