/* ==========================================================================
   美容室 JILL — FAQ Page
   LP共通トークンに合わせたスマホファーストデザイン
   ========================================================================== */

:root {
  --color-white: #ffffff;
  --color-beige: #f5f3f0;
  --color-beige-dark: #e8e4df;
  --color-greige: #d8d4cf;
  --color-gray-light: #e8e6e3;
  --color-gray: #8a8580;
  --color-gray-dark: #4a4642;
  --color-accent: #c4a484;
  --color-accent-hover: #b08f6e;
  --color-line: #06c755;

  --font-sans: "Noto Sans JP", "Hiragino Sans", sans-serif;
  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;

  --radius: 8px;
  --radius-lg: 12px;
  --shadow-soft: 0 4px 20px rgba(74, 70, 66, 0.06);
  --max-width: 720px;
  --header-height: 56px;
  --fixed-cta-height: 64px;
  --transition: 0.35s ease;
  --faq-ease: 0.32s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-gray-dark);
  background: var(--color-beige);
  padding-bottom: var(--fixed-cta-height);
}

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

a {
  color: inherit;
  text-decoration: none;
}

strong {
  font-weight: 500;
  color: var(--color-gray-dark);
}

/* ----- Header ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 300;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-gray-light);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.site-logo {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--color-gray);
  -webkit-tap-highlight-color: transparent;
  cursor: default;
  user-select: none;
}

.site-logo__name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-gray-dark);
  letter-spacing: 0.2em;
}

.site-header__back {
  appearance: none;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-gray);
  padding: 0.5rem 0.25rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.site-header__back:hover,
.site-header__back:focus-visible {
  color: var(--color-accent);
  outline: none;
}

/* ----- Layout ----- */
.faq-page {
  padding: var(--space-lg) var(--space-md) var(--space-xl);
}

.faq-page__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.faq-hero {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.faq-hero__title {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--color-gray-dark);
}

.faq-hero__lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-gray);
}

/* ----- Category tabs ----- */
.faq-tabs-wrap {
  position: sticky;
  top: var(--header-height);
  z-index: 200;
  margin: 0 calc(-1 * var(--space-md)) var(--space-lg);
  padding: var(--space-sm) 0;
  background: rgba(245, 243, 240, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-gray-light);
}

.faq-tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
  padding: 0 var(--space-md);
  scrollbar-width: none;
}

.faq-tabs::-webkit-scrollbar {
  display: none;
}

.faq-tab {
  flex: 0 0 auto;
  scroll-snap-align: start;
  appearance: none;
  border: 1px solid var(--color-greige);
  background: var(--color-white);
  color: var(--color-gray-dark);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.4;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  min-height: 44px;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.faq-tab:hover,
.faq-tab:focus-visible {
  border-color: var(--color-accent);
  outline: none;
}

.faq-tab[aria-selected="true"] {
  background: var(--color-gray-dark);
  border-color: var(--color-gray-dark);
  color: var(--color-white);
}

/* ----- Popular ----- */
.faq-popular {
  margin-bottom: var(--space-xl);
}

.faq-popular__title,
.faq-category__title,
.faq-cta__title {
  margin: 0 0 var(--space-md);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--color-gray-dark);
  text-align: center;
}

.faq-popular__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.faq-popular__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  text-align: left;
  appearance: none;
  border: 1px solid var(--color-gray-light);
  background: var(--color-white);
  color: var(--color-gray-dark);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.6;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  min-height: 52px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.faq-popular__btn:hover,
.faq-popular__btn:focus-visible {
  border-color: var(--color-accent);
  outline: none;
}

.faq-popular__arrow {
  flex-shrink: 0;
  color: var(--color-accent);
  font-size: 16px;
  line-height: 1;
}

/* ----- Categories / Accordion ----- */
.faq-category {
  margin-bottom: var(--space-xl);
  scroll-margin-top: calc(var(--header-height) + 64px);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.faq-item__trigger {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  appearance: none;
  border: none;
  background: transparent;
  color: var(--color-gray-dark);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.65;
  text-align: left;
  padding: 1.1rem 1.15rem;
  cursor: pointer;
  min-height: 56px;
  -webkit-tap-highlight-color: transparent;
}

.faq-item__trigger:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.faq-item__question {
  flex: 1;
}

.faq-item__icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.15rem;
  position: relative;
  color: var(--color-accent);
}

.faq-item__icon::before,
.faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--faq-ease), opacity var(--faq-ease);
}

.faq-item__icon::before {
  width: 12px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.faq-item__icon::after {
  width: 1.5px;
  height: 12px;
  transform: translate(-50%, -50%);
}

.faq-item.is-open .faq-item__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.faq-item__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--faq-ease);
}

.faq-item.is-open .faq-item__panel {
  grid-template-rows: 1fr;
}

.faq-item__panel-inner {
  overflow: hidden;
  min-height: 0;
}

.faq-item__answer {
  padding: 0 1.15rem 1.15rem;
  font-size: 13.5px;
  line-height: 2;
  color: var(--color-gray);
}

.faq-item__answer p {
  margin: 0 0 0.85em;
}

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

.faq-item__answer ul {
  margin: 0 0 0.85em;
  padding-left: 1.2em;
}

.faq-item__answer li + li {
  margin-top: 0.35em;
}

.faq-item__answer a {
  color: var(--color-accent-hover);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.faq-phone-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 1.05em;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-gray-dark) !important;
  text-decoration: none !important;
  border-bottom: 1px solid var(--color-accent);
}

.faq-phone-link:hover,
.faq-phone-link:focus-visible {
  color: var(--color-accent-hover) !important;
}

.faq-diff {
  margin: 0.75em 0;
  padding: 0.85rem 1rem;
  background: var(--color-beige);
  border-radius: var(--radius);
}

.faq-diff__label {
  display: block;
  margin-bottom: 0.25em;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-gray-dark);
}

.faq-diff p {
  margin: 0;
}

/* ----- Bottom CTA ----- */
.faq-cta {
  margin-top: var(--space-sm);
  padding: var(--space-lg) var(--space-md);
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.faq-cta__text {
  margin: 0 0 var(--space-md);
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-gray);
}

.faq-cta__quote {
  display: block;
  margin-bottom: 0.75em;
  color: var(--color-gray-dark);
}

.cta-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  max-width: 340px;
  padding: 1rem 1.1rem;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  box-sizing: border-box;
  transition: background var(--transition), transform 0.2s ease;
  min-height: 48px;
}

.btn--line {
  background: var(--color-line);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(6, 199, 85, 0.25);
}

.btn--line:hover,
.btn--line:focus-visible {
  background: #05b34c;
  transform: translateY(-1px);
}

.btn--sub {
  color: var(--color-gray-dark);
  background: var(--color-beige);
  border: 1px solid var(--color-greige);
}

.btn--sub:hover,
.btn--sub:focus-visible {
  background: var(--color-beige-dark);
}

/* ----- Footer ----- */
.site-footer {
  padding: var(--space-lg) var(--space-md) calc(var(--space-lg) + 0.5rem);
  text-align: center;
  font-size: 12px;
  line-height: 1.8;
  color: var(--color-gray);
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-light);
}

.site-footer__name {
  margin: 0 0 0.35rem;
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.12em;
  color: var(--color-gray-dark);
}

.site-footer__area {
  margin: 0 0 var(--space-sm);
}

.site-footer__address {
  font-style: normal;
  margin: 0 0 var(--space-sm);
}

.site-footer__badge {
  margin: 0 0 var(--space-md);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.site-footer__copy {
  margin: 0;
  opacity: 0.7;
  font-size: 11px;
}

/* ----- Fixed CTA ----- */
.fixed-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--color-gray-light);
  box-shadow: 0 -4px 20px rgba(74, 70, 66, 0.08);
}

.btn--fixed {
  width: 100%;
  max-width: none;
  padding: 0.75rem 0.5rem;
  font-size: 13px;
  border-radius: 12px;
}

/* ----- LINE相談モーダル ----- */
.faq-line-modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.faq-line-modal[hidden] {
  display: none;
}

.faq-line-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(74, 70, 66, 0.45);
  border: none;
  padding: 0;
  cursor: pointer;
}

.faq-line-modal__sheet {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 520px;
  max-height: min(92vh, 640px);
  overflow: auto;
  background: var(--color-white);
  border-radius: 16px 16px 0 0;
  padding: 1.25rem 1.25rem calc(1.5rem + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -8px 32px rgba(74, 70, 66, 0.16);
}

.faq-line-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.faq-line-modal__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-gray-dark);
}

.faq-line-modal__close {
  appearance: none;
  border: none;
  background: var(--color-beige);
  color: var(--color-gray-dark);
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}

.faq-line-modal__close:hover,
.faq-line-modal__close:focus-visible {
  background: var(--color-beige-dark);
  outline: none;
}

.faq-line-modal__label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-gray-dark);
}

.faq-line-modal__textarea {
  display: block;
  width: 100%;
  min-height: 160px;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-greige);
  border-radius: var(--radius-lg);
  background: var(--color-beige);
  color: var(--color-gray-dark);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  resize: vertical;
  box-sizing: border-box;
}

.faq-line-modal__textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  background: var(--color-white);
}

.faq-line-modal__textarea::placeholder {
  color: #a8a39e;
}

.faq-line-modal__error {
  margin: 0.5rem 0 0;
  font-size: 13px;
  color: #b5473a;
}

.faq-line-modal__note {
  margin: 0.85rem 0 1rem;
  font-size: 12px;
  line-height: 1.7;
  color: var(--color-gray);
}

.faq-line-modal__submit {
  width: 100%;
  max-width: none;
}

.faq-line-modal__friend {
  display: block;
  margin-top: 0.9rem;
  text-align: center;
  font-size: 12px;
  color: var(--color-gray);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.faq-line-modal__friend:hover,
.faq-line-modal__friend:focus-visible {
  color: var(--color-accent-hover);
}

body.is-faq-line-open {
  overflow: hidden;
}

body.is-faq-line-open .fixed-cta {
  visibility: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .faq-item__panel,
  .faq-item__icon::before,
  .faq-item__icon::after,
  .btn {
    transition: none;
  }
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
    font-size: 16px;
  }

  .faq-page {
    padding: 5rem 2rem 4rem;
  }

  .faq-hero__title {
    font-size: 1.9rem;
  }

  .faq-hero__lead {
    font-size: 15px;
  }

  .faq-tabs-wrap {
    margin-left: 0;
    margin-right: 0;
    border-radius: var(--radius-lg);
  }

  .faq-tabs {
    justify-content: center;
    flex-wrap: wrap;
    overflow: visible;
  }

  .faq-popular__title,
  .faq-category__title,
  .faq-cta__title {
    font-size: 1.35rem;
  }

  .faq-item__trigger {
    font-size: 16px;
    padding: 1.2rem 1.35rem;
  }

  .faq-item__answer {
    font-size: 14px;
    padding: 0 1.35rem 1.25rem;
  }

  .fixed-cta {
    display: none;
  }

  .faq-line-modal {
    align-items: center;
    padding: 1.5rem;
  }

  .faq-line-modal__sheet {
    border-radius: var(--radius-lg);
    max-height: min(85vh, 620px);
    padding: 1.5rem 1.5rem 1.75rem;
  }
}