/* ==========================================================================
   LUXEM Design System & Core Stylesheet
   ========================================================================== */

/* 1. Design Tokens (CSS Variables) */
:root {
  /* Color Palette */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #fdfdfd;
  --color-bg-dark: #111111;
  --color-bg-dark-sub: #1a1a1a;
  --color-bg-light: #f7f7f7;
  
  --color-text-main: #1c1c1c;
  --color-text-sub: #666666;
  --color-text-light: #999999;
  --color-text-white: #ffffff;
  --color-text-white-sub: #cccccc;
  
  --color-primary: #c5a880; /* Champagne Gold */
  --color-primary-dark: #b3956d;
  --color-primary-light: #f4efe6;
  
  --color-line-green: #06c755;
  --color-line-green-hover: #05b34c;
  
  /* Typography */
  --font-ja-serif: 'Noto Serif JP', 'Yu Mincho', YuMincho, serif;
  --font-ja-sans: 'Outfit', 'Noto Sans JP', sans-serif;
  --font-en-serif: 'Cormorant Garamond', serif;
  --font-en-sans: 'Outfit', sans-serif;
  
  /* Layout & Spacing */
  --container-max-width: 1200px;
  --space-unit: 8px;
  
  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.2s ease;
}

/* 2. Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-ja-sans);
  background-color: var(--color-bg-primary);
  color: var(--color-text-main);
  line-height: 1.8;
  letter-spacing: 0.05em;
  overflow-x: hidden;
}

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

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

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

table {
  border-collapse: collapse;
  width: 100%;
}

/* 3. Utility Classes */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-right: auto;
  margin-left: auto;
  padding-right: 24px;
  padding-left: 24px;
}

.section {
  padding-top: 100px;
  padding-bottom: 100px;
}

@media (max-width: 768px) {
  .section {
    padding-top: 70px;
    padding-bottom: 70px;
  }
}

.bg-light {
  background-color: var(--color-bg-light);
}

.font-serif {
  font-family: var(--font-ja-serif);
}

.sp-only {
  display: none;
}

@media (max-width: 768px) {
  .sp-only {
    display: block;
  }
  .pc-only {
    display: none;
  }
}

/* 4. Common Components */

/* Section Title */
.section-title-wrapper {
  text-align: center;
  margin-bottom: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-subtitle {
  font-family: var(--font-en-serif);
  font-size: 0.9rem;
  letter-spacing: 0.3em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 500;
}

.section-title {
  font-family: var(--font-ja-serif);
  font-size: 2.2rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--color-text-main);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 15px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 1px;
  background-color: var(--color-primary);
}

.section-desc {
  max-width: 640px;
  font-size: 0.95rem;
  color: var(--color-text-sub);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .section-title-wrapper {
    margin-bottom: 40px;
  }
  .section-title {
    font-size: 1.75rem;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-radius: 4px;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.btn--primary {
  background-color: var(--color-line-green);
  color: var(--color-text-white);
  padding: 18px 40px;
  border-radius: 100px;
  box-shadow: 0 8px 24px rgba(6, 199, 85, 0.2);
}

.btn--primary:hover {
  background-color: var(--color-line-green-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(6, 199, 85, 0.3);
}

.btn--hero-line {
  width: 100%;
  max-width: 450px;
  flex-direction: column;
  padding: 16px 30px;
}

.btn--large-line {
  width: 100%;
  max-width: 500px;
  flex-direction: column;
  padding: 20px 40px;
}

.btn__text-main {
  font-family: var(--font-ja-serif);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.btn__text-sub {
  font-size: 0.8rem;
  opacity: 0.9;
  margin-top: 4px;
}

.btn--header-line {
  background-color: var(--color-line-green);
  color: var(--color-text-white);
  padding: 10px 20px;
  font-size: 0.85rem;
  border-radius: 50px;
}

.btn--header-line:hover {
  background-color: var(--color-line-green-hover);
}

.icon-line {
  width: 20px;
  height: 20px;
  margin-right: 8px;
}

.btn--hero-line .icon-line,
.btn--large-line .icon-line {
  width: 24px;
  height: 24px;
  margin-right: 0;
  margin-bottom: 4px;
}

@media (min-width: 769px) {
  .btn--hero-line .icon-line,
  .btn--large-line .icon-line {
    margin-bottom: 0;
    margin-right: 12px;
  }
  .btn--hero-line,
  .btn--large-line {
    flex-direction: row;
    align-items: center;
  }
  .btn__text-main {
    font-size: 1.35rem;
  }
  .btn__text-sub {
    margin-top: 0;
    margin-left: auto;
    font-size: 0.85rem;
    padding-left: 20px;
    border-left: 1px solid rgba(255, 255, 255, 0.3);
  }
}

/* 5. Header Section */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #eaeaea;
  padding: 15px 0;
  transition: var(--transition-fast);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.header__logo {
  display: flex;
  flex-direction: column;
}

.logo-link {
  display: flex;
  flex-direction: column;
}

.logo-text-en {
  font-family: var(--font-en-sans);
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  line-height: 1;
  color: var(--color-text-main);
}

.logo-text-ja {
  font-family: var(--font-ja-serif);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--color-primary);
  margin-top: 3px;
  text-indent: 0.3em;
}

.header__nav {
  display: flex;
  gap: 30px;
}

.header__link {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-main);
}

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

@media (max-width: 1024px) {
  .header__nav {
    display: none;
  }
}

/* 6. Hero Section */
.hero {
  position: relative;
  background-color: var(--color-bg-secondary);
  overflow: hidden;
  padding: 60px 0 80px;
}

.hero__container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.hero__banner {
  width: 100%;
  max-width: 1000px;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

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

.hero__badge-container {
  display: flex;
  gap: 20px;
}

.hero__badge {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-primary-light);
  padding: 12px 24px;
  border-radius: 4px;
  align-items: center;
  justify-content: center;
}

.badge-title {
  font-size: 0.75rem;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
  font-weight: 600;
}

.badge-desc {
  font-family: var(--font-ja-serif);
  font-size: 1rem;
  color: var(--color-text-main);
  font-weight: 400;
}

.hero__cta-area {
  width: 100%;
  display: flex;
  justify-content: center;
}

@media (max-width: 768px) {
  .hero {
    padding: 30px 0 50px;
  }
  .hero__container {
    gap: 28px;
  }
  .hero__badge-container {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero__badge-container {
    flex-direction: column;
    gap: 12px;
  }
  .hero__badge {
    padding: 8px 16px;
  }
}

/* 6.5 Global Market Section */
.global__blocks {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.global-block {
  display: flex;
  align-items: center;
  gap: 56px;
}

.global-block--reverse {
  flex-direction: row-reverse;
}

.global-block__visual {
  flex: 1;
}

.global-block__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  display: block;
}

.global-block__body {
  flex: 1;
}

.global-block__message {
  font-family: var(--font-ja-serif);
  font-size: 1.35rem;
  line-height: 2;
  color: var(--color-text-main);
}

@media (max-width: 768px) {
  .global__blocks {
    gap: 48px;
  }
  .global-block,
  .global-block--reverse {
    flex-direction: column;
    gap: 24px;
  }
  .global-block__message {
    font-size: 1.12rem;
    line-height: 1.95;
    text-align: center;
  }
}

.why-card__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
  display: block;
  margin-bottom: 24px;
}

/* 7. Why Section */
.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.why-card {
  background-color: var(--color-bg-primary);
  border: 1px solid #eaeaea;
  padding: 50px 40px;
  border-radius: 4px;
  position: relative;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.why-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-primary);
  box-shadow: 0 15px 35px rgba(197, 168, 128, 0.08);
}

.why-card__num {
  font-family: var(--font-en-sans);
  font-size: 2.2rem;
  font-weight: 200;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--color-primary-light);
  padding-bottom: 10px;
  width: fit-content;
}

.why-card__title {
  font-family: var(--font-ja-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 20px;
  line-height: 1.5;
}

.why-card__text {
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 1.8;
}

@media (max-width: 1024px) {
  .why__grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .why-card {
    padding: 40px 30px;
  }
}

/* 8. Difference Section */
.diff-list {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 44px;
}

.diff-item__label {
  font-family: var(--font-ja-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text-main);
  text-align: center;
  margin-bottom: 18px;
}

.diff-card {
  border-radius: 8px;
  padding: 22px 26px;
}

.diff-card--other {
  background-color: var(--color-bg-primary);
  border: 1px solid #e5e5e5;
}

.diff-card--luxem {
  background-color: var(--color-primary-light);
  border: 2px solid var(--color-primary);
}

.diff-card__tag {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.diff-card--other .diff-card__tag {
  color: var(--color-text-light);
}

.diff-card--luxem .diff-card__tag {
  color: var(--color-primary-dark);
}

.diff-card__text {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-text-main);
}

.diff-card--other .diff-card__text {
  color: var(--color-text-sub);
}

.diff-item__arrow {
  text-align: center;
  font-size: 1.5rem;
  color: var(--color-primary);
  line-height: 1;
  margin: 10px 0;
}

@media (max-width: 768px) {
  .diff-list {
    gap: 36px;
  }
  .diff-card {
    padding: 18px 20px;
  }
  .diff-item__label {
    font-size: 1.08rem;
  }
}

/* 9. Profile Section */
.profile {
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid #f0f0f0;
}

.profile__layout {
  display: flex;
  align-items: center;
  gap: 70px;
}

.profile__image-area {
  flex: 0.95;
  box-shadow: 0 15px 40px rgba(0,0,0,0.06);
}

.profile__img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: 4px;
}

.profile__content-area {
  flex: 1.05;
  display: flex;
  flex-direction: column;
}

.profile__subtitle {
  font-family: var(--font-en-serif);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.profile__title {
  font-family: var(--font-ja-serif);
  font-size: 1.85rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--color-text-main);
  margin-bottom: 30px;
}

.profile__text {
  font-size: 0.95rem;
  color: var(--color-text-sub);
  margin-bottom: 20px;
  line-height: 1.8;
}

.profile__signature {
  margin-top: 25px;
  border-top: 1px solid #eee;
  padding-top: 20px;
  display: flex;
  flex-direction: column;
}

.signature-title {
  font-size: 0.75rem;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.signature-name {
  font-family: var(--font-ja-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text-main);
}

@media (max-width: 1024px) {
  .profile__layout {
    flex-direction: column;
    gap: 40px;
  }
  .profile__image-area {
    width: 100%;
    max-width: 650px;
  }
  .profile__img {
    height: 380px;
  }
  .profile__title {
    font-size: 1.55rem;
  }
}

/* 10. Results Section */
.results__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.result-card {
  background-color: var(--color-bg-primary);
  border: 1px solid #eaeaea;
  border-radius: 4px;
  overflow: hidden;
  transition: var(--transition-smooth);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
  display: flex;
  flex-direction: column;
}

.result-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.06);
  border-color: var(--color-primary-light);
}

.result-card__image-wrapper {
  position: relative;
  overflow: hidden;
}

.result-card__img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.result-card:hover .result-card__img {
  transform: scale(1.05);
}

.result-card__tag {
  position: absolute;
  top: 20px;
  left: 20px;
  background-color: rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  letter-spacing: 0.1em;
  border-radius: 2px;
  border: 1px solid var(--color-primary-light);
}

.result-card__content {
  padding: 30px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.result-card__title {
  font-family: var(--font-ja-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 12px;
  line-height: 1.5;
}

.result-card__description {
  font-size: 0.85rem;
  color: var(--color-text-sub);
  margin-bottom: 24px;
  line-height: 1.7;
}

.result-card__price-area {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  border-top: 1px solid #f5f5f5;
  padding-top: 20px;
}

.price-label {
  font-size: 0.8rem;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
  padding-bottom: 4px;
}

.price-value {
  font-family: var(--font-en-sans);
  font-size: 1.9rem;
  font-weight: 500;
  color: var(--color-primary-dark);
  line-height: 1;
}

.price-unit {
  font-family: var(--font-ja-serif);
  font-size: 0.95rem;
  font-weight: 600;
  margin-left: 3px;
}

@media (max-width: 1024px) {
  .results__grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .result-card__img {
    height: 260px;
  }
}

/* 11. Process Section */
.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  background-color: var(--color-bg-primary);
  border: 1px solid #eaeaea;
  padding: 40px 30px;
  border-radius: 4px;
  text-align: center;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.02);
}

.step-card__header {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

.step-card__num {
  font-family: var(--font-en-sans);
  font-size: 0.8rem;
  color: var(--color-primary);
  letter-spacing: 0.25em;
  margin-bottom: 6px;
  font-weight: 600;
}

.step-card__title {
  font-family: var(--font-ja-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text-main);
}

.step-card__icon-box {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
  color: var(--color-primary-dark);
}

.step-icon {
  width: 28px;
  height: 28px;
}

.step-card__text {
  font-size: 0.85rem;
  color: var(--color-text-sub);
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .process__steps {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .step-card {
    padding: 30px 20px;
    flex-direction: row;
    text-align: left;
    gap: 20px;
  }
  .step-card__header {
    width: 25%;
    margin-bottom: 0;
  }
  .step-card__icon-box {
    margin-bottom: 0;
    width: 50px;
    height: 50px;
    flex-shrink: 0;
  }
  .step-icon {
    width: 22px;
    height: 22px;
  }
  .step-card__text {
    flex: 1;
  }
}

@media (max-width: 600px) {
  .step-card {
    flex-direction: column;
    text-align: center;
  }
  .step-card__header {
    width: 100%;
    margin-bottom: 15px;
  }
  .step-card__icon-box {
    margin-bottom: 15px;
  }
}

/* 12. Mid-page LINE CTA Section */
.line-cta {
  background-color: var(--color-bg-dark);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.line-cta__wrapper {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.line-cta__subtitle {
  font-size: 0.85rem;
  color: var(--color-primary);
  letter-spacing: 0.3em;
  margin-bottom: 20px;
}

.line-cta__title {
  font-family: var(--font-ja-serif);
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--color-text-white);
  line-height: 1.6;
  margin-bottom: 30px;
  letter-spacing: 0.08em;
}

.line-cta__text {
  font-size: 0.95rem;
  color: var(--color-text-white-sub);
  line-height: 1.8;
  margin-bottom: 45px;
}

.line-cta__button-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.line-cta__note {
  font-size: 0.8rem;
  color: var(--color-primary-light);
  opacity: 0.8;
}

@media (max-width: 768px) {
  .line-cta {
    padding: 70px 0;
  }
  .line-cta__title {
    font-size: 1.6rem;
    line-height: 1.5;
  }
  .line-cta__text {
    font-size: 0.85rem;
    margin-bottom: 30px;
  }
}

/* 13. Voices Section */
.voices__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.voice-card {
  background-color: var(--color-bg-primary);
  border: 1px solid #eaeaea;
  padding: 45px 35px;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.voice-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: 0 10px 30px rgba(0,0,0,0.03);
}

.voice-card__profile {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #f0f0f0;
  padding-bottom: 15px;
  margin-bottom: 25px;
}

.voice-card__age {
  font-size: 0.8rem;
  color: var(--color-text-sub);
  font-weight: 500;
}

.voice-card__verified {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  background-color: var(--color-primary-light);
  padding: 3px 8px;
  border-radius: 2px;
}

.voice-card__title {
  font-family: var(--font-ja-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-main);
  line-height: 1.6;
  margin-bottom: 20px;
}

.voice-card__text {
  font-size: 0.85rem;
  color: var(--color-text-sub);
  line-height: 1.8;
}

@media (max-width: 1024px) {
  .voices__grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .voice-card {
    padding: 35px 25px;
  }
}

/* 14. FAQ Section */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--color-bg-primary);
  border: 1px solid #eaeaea;
  border-radius: 4px;
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  padding: 24px 30px;
  text-align: left;
  gap: 20px;
}

.faq-item__q-icon {
  font-family: var(--font-en-sans);
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--color-primary-dark);
  line-height: 1;
}

.faq-item__question {
  font-family: var(--font-ja-serif);
  font-weight: 600;
  color: var(--color-text-main);
  flex-grow: 1;
  font-size: 0.95rem;
}

.faq-item__arrow {
  width: 12px;
  height: 12px;
  position: relative;
  flex-shrink: 0;
  transition: var(--transition-fast);
}

.faq-item__arrow::before,
.faq-item__arrow::after {
  content: '';
  position: absolute;
  background-color: var(--color-text-light);
  transition: var(--transition-fast);
}

/* Horizontal line */
.faq-item__arrow::before {
  top: 5px;
  left: 0;
  width: 12px;
  height: 2px;
}

/* Vertical line */
.faq-item__arrow::after {
  top: 0;
  left: 5px;
  width: 2px;
  height: 12px;
}

/* FAQ Open States via JS class addition */
.faq-item.active {
  border-color: var(--color-primary-light);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.faq-item.active .faq-item__arrow::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-item.active .faq-item__arrow {
  transform: rotate(180deg);
}

.faq-item__answer-wrapper {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.faq-item__answer {
  padding: 0 30px 30px 70px;
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 1.8;
}

@media (max-width: 768px) {
  .faq-item__trigger {
    padding: 20px;
    gap: 15px;
  }
  .faq-item__answer {
    padding: 0 20px 20px 55px;
    font-size: 0.85rem;
  }
}

.faq__cta {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

/* スマホ可読性の底上げ */
@media (max-width: 768px) {
  .section-desc {
    font-size: 0.95rem;
    line-height: 2;
  }
  .why-card__text {
    font-size: 0.95rem;
    line-height: 1.95;
  }
  .result-card__description {
    font-size: 0.92rem;
    line-height: 1.9;
  }
  .voice-card__text {
    font-size: 0.93rem;
    line-height: 1.95;
  }
  .faq-item__question {
    font-size: 0.92rem;
    line-height: 1.6;
  }
  .faq-item__answer {
    font-size: 0.92rem;
    line-height: 1.95;
  }
  .profile__text {
    font-size: 0.95rem;
    line-height: 1.95;
  }
  .diff-card__text {
    font-size: 0.95rem;
    line-height: 1.9;
  }
  .global-block__message {
    font-size: 1.1rem;
    line-height: 2;
  }
  /* FVをスマホで画面幅いっぱいに */
  .hero__banner {
    margin-left: -24px;
    margin-right: -24px;
    width: calc(100% + 48px);
    max-width: none;
    border-radius: 0;
    box-shadow: none;
  }
  /* 海外販路セクションの見出しを2行に */
  .global .section-title {
    font-size: 1.3rem;
  }
  /* CTA見出しを2行に */
  .line-cta__title {
    font-size: 1.25rem;
  }
  /* CTAのLINEボタン文言を1行に */
  .btn--large-line {
    padding: 18px 16px;
  }
  .btn--large-line .btn__text-main {
    font-size: 1.08rem;
  }
}

/* 15. Company Section */
.company-table-wrapper {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--color-bg-primary);
  border: 1px solid #eaeaea;
  border-radius: 4px;
}

.company-table th,
.company-table td {
  padding: 20px 30px;
  border-bottom: 1px solid #f0f0f0;
  font-size: 0.9rem;
  text-align: left;
}

.company-table tr:last-child th,
.company-table tr:last-child td {
  border-bottom: none;
}

.company-table th {
  font-family: var(--font-ja-serif);
  font-weight: 600;
  color: var(--color-text-main);
  width: 30%;
  background-color: #fafafa;
}

.company-table td {
  color: var(--color-text-sub);
}

@media (max-width: 768px) {
  .company-table th,
  .company-table td {
    padding: 15px 20px;
  }
  .company-table th {
    width: 35%;
  }
}

/* 16. Footer Section */
.footer {
  background-color: var(--color-bg-dark-sub);
  color: var(--color-text-white);
  padding: 80px 0 40px 0;
  border-top: 1px solid #2a2a2a;
}

.footer__container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  gap: 50px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.footer__brand {
  flex: 1.2;
  min-width: 250px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer__logo-en {
  font-family: var(--font-en-sans);
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  line-height: 1;
  color: var(--color-text-white);
}

.footer__logo-ja {
  font-family: var(--font-ja-serif);
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  color: var(--color-primary);
  margin-top: 4px;
  text-indent: 0.4em;
}

.footer__concept {
  font-size: 0.8rem;
  color: var(--color-text-white-sub);
  margin-top: 15px;
  letter-spacing: 0.1em;
}

.footer__links,
.footer__license {
  flex: 0.9;
  min-width: 220px;
}

.footer__title {
  font-family: var(--font-ja-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.15em;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
  border-bottom: 1px solid #333;
  width: fit-content;
}

.footer__link-list,
.footer__license-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--color-text-white-sub);
}

.footer__link {
  transition: var(--transition-fast);
}

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

.footer__license-list li {
  line-height: 1.6;
}

.footer__bottom {
  width: 100%;
  border-top: 1px solid #2a2a2a;
  padding-top: 30px;
  text-align: center;
}

.footer__copy {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .footer {
    padding: 50px 0 30px 0;
  }
  
  .footer__top {
    flex-direction: column;
    gap: 40px;
    margin-bottom: 40px;
  }
  
  .footer__brand {
    align-items: center;
    text-align: center;
  }
  
  .footer__title {
    width: 100%;
    text-align: center;
  }
  
  .footer__title::after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .footer__link-list,
  .footer__license-list {
    align-items: center;
    text-align: center;
  }
}

/* 17. Luxury Modals Styles */
.footer__link-btn {
  background: none;
  border: none;
  font: inherit;
  color: var(--color-text-white-sub);
  cursor: pointer;
  padding: 0;
  transition: var(--transition-fast);
  text-align: left;
}

.footer__link-btn:hover {
  color: var(--color-primary);
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
}

.modal__window {
  position: relative;
  background-color: var(--color-bg-primary);
  width: 90%;
  max-width: 650px;
  max-height: 85%;
  overflow-y: auto;
  border-radius: 8px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-primary-light);
  padding: 50px 40px;
  transform: translateY(30px);
  transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
  z-index: 1010;
}

.modal.active .modal__window {
  transform: translateY(0);
}

.modal__close {
  position: absolute;
  top: 25px;
  right: 25px;
  font-size: 2.2rem;
  line-height: 1;
  color: var(--color-text-light);
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.modal__close:hover {
  color: var(--color-primary);
  background-color: #f7f7f7;
}

.modal__subtitle {
  font-family: var(--font-en-serif);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  color: var(--color-primary);
  display: block;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.modal__title {
  font-family: var(--font-ja-serif);
  font-size: 1.6rem;
  font-weight: 300;
  color: var(--color-text-main);
  margin-bottom: 30px;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-primary-light);
  padding-bottom: 15px;
}

.modal-table {
  width: 100%;
  border-collapse: collapse;
}

.modal-table th,
.modal-table td {
  padding: 16px 20px;
  font-size: 0.9rem;
  text-align: left;
  border-bottom: 1px solid #f2f2f2;
}

.modal-table tr:last-child th,
.modal-table tr:last-child td {
  border-bottom: none;
}

.modal-table th {
  font-family: var(--font-ja-serif);
  font-weight: 600;
  color: var(--color-text-main);
  width: 30%;
  background-color: #fafafa;
}

.modal-table td {
  color: var(--color-text-sub);
  line-height: 1.6;
}

.modal-link {
  color: var(--color-primary-dark);
  text-decoration: underline;
  transition: var(--transition-fast);
}

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

.modal__text-area {
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 1.8;
  padding: 10px 0;
}

.modal__text-area h4 {
  font-family: var(--font-ja-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-top: 22px;
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--color-primary-light);
}

.modal__text-area h4:first-child {
  margin-top: 0;
}

.modal__text-area p {
  margin-bottom: 12px;
}

.modal__text-area ol,
.modal__text-area ul {
  padding-left: 22px;
  margin-bottom: 12px;
}

.modal__text-area li {
  margin-bottom: 4px;
}

.modal__text-area .last-updated {
  margin-top: 28px;
  font-size: 0.8rem;
  color: var(--color-text-light);
  text-align: right;
}

@media (max-width: 768px) {
  .modal__window {
    padding: 40px 24px;
    width: 92%;
  }
  .modal__close {
    top: 15px;
    right: 15px;
  }
  .modal-table th {
    width: 35%;
    padding: 12px 15px;
  }
  .modal-table td {
    padding: 12px 15px;
  }
}