/* ===========================
   Shared Components
   =========================== */

/* ────────────────────────────
   Buttons
──────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9375rem 2.25rem;
  font-family: var(--font-gothic);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 200ms ease,
              box-shadow 200ms ease,
              border-color 200ms ease,
              color 200ms ease;
  white-space: nowrap;
  text-decoration: none;
}

/* 予約ボタン（緑） */
.btn--cta {
  background-color: var(--cta);
  color: #fff;
  box-shadow: var(--shadow-cta);
  position: relative;
  overflow: hidden;
}

.btn--cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.btn--cta:hover {
  background-color: var(--cta-hover);
  box-shadow: 0 8px 32px rgba(78, 115, 99, 0.48);
  transform: translateY(-1px);
}

.btn--cta:active {
  transform: translateY(0);
  box-shadow: var(--shadow-cta);
}

/* アウトライン */
.btn--outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--accent-subtle);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 電話ボタン */
.btn--phone {
  background-color: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
  gap: 0.4rem;
}

.btn--phone:hover {
  border-color: var(--text-primary);
}

/* ライト（ダーク背景用） */
.btn--light {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.btn--light:hover {
  background-color: #fff;
}

/* フルワイド */
.btn--full {
  width: 100%;
}

/* ────────────────────────────
   Header / Navigation
──────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  background-color: rgba(247, 245, 240, 0.94);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-base) ease,
              box-shadow var(--duration-base) ease,
              background-color var(--duration-base) ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
  background-color: rgba(247, 245, 240, 0.97);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

/* Logo */
.site-logo {
  display: flex;
  flex-direction: column;
  gap: 1px;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo__ja {
  font-family: var(--font-mincho);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  line-height: 1.2;
}

.site-logo__en {
  font-family: var(--font-latin);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

/* Desktop Nav */
.nav-list {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

@media (min-width: 1024px) {
  .nav-list {
    display: flex;
  }
}

.nav-link {
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  transition: color var(--duration-fast) ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent);
  transition: width var(--duration-base) var(--ease-out);
}

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

.nav-link:hover::after {
  width: 100%;
}

.nav-link.is-active {
  color: var(--text-primary);
}

.nav-link.is-active::after {
  width: 100%;
}

/* Header CTA */
.header-cta {
  display: none;
  padding: 0.625rem 1.25rem;
  font-size: 0.8125rem;
}

@media (min-width: 768px) {
  .header-cta {
    display: inline-flex;
  }
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  padding: 8px;
  -webkit-tap-highlight-color: transparent;
}

@media (min-width: 1024px) {
  .hamburger {
    display: none;
  }
}

.hamburger__line {
  display: block;
  width: 22px;
  height: 1.5px;
  background-color: var(--text-primary);
  transition: transform var(--duration-base) var(--ease-out),
              opacity var(--duration-base) ease;
  transform-origin: center;
}

.hamburger.is-open .hamburger__line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.hamburger.is-open .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.is-open .hamburger__line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out);
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu__list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}

.mobile-menu__link {
  font-family: var(--font-mincho);
  font-size: var(--fs-h3);
  letter-spacing: 0.1em;
  color: var(--text-primary);
  transition: color var(--duration-fast) ease;
}

.mobile-menu__link:hover {
  color: var(--accent);
}

.mobile-menu__cta {
  margin-top: var(--space-md);
}

/* ────────────────────────────
   Footer Wave Divider
──────────────────────────── */
.footer-wave {
  display: block;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  /* 背景はなし — CTA直後なのでSVGがそのまま乗る */
  background-color: transparent;
}

.footer-wave svg {
  display: block;
  width: 100%;
  height: 64px;
}

/* ────────────────────────────
   Footer
──────────────────────────── */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-light-secondary);
  padding-block: var(--space-2xl);
}

.footer-inner {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .footer-inner {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand {}

.footer-logo {
  display: block;
  margin-bottom: var(--space-md);
  text-decoration: none;
}

.footer-logo__ja {
  font-family: var(--font-mincho);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-light);
  display: block;
  line-height: 1.3;
  margin-bottom: 4px;
}

.footer-logo__en {
  font-family: var(--font-latin);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  color: var(--text-light-secondary);
  text-transform: uppercase;
}

.footer-address {
  font-size: var(--fs-small);
  line-height: 1.9;
  color: var(--text-light-secondary);
}

.footer-address a {
  color: var(--text-light-secondary);
  transition: color var(--duration-fast) ease;
}

.footer-address a:hover {
  color: var(--text-light);
}

.footer-nav-title {
  font-family: var(--font-latin);
  font-size: var(--fs-label);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  font-size: var(--fs-small);
  color: var(--text-light-secondary);
  letter-spacing: 0.04em;
  transition: color var(--duration-fast) ease;
}

.footer-link:hover {
  color: var(--text-light);
}

.footer-bottom {
  border-top: 1px solid var(--border-dark);
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-copyright {
  font-family: var(--font-latin);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.footer-gemut-link {
  font-size: var(--fs-small);
  color: var(--text-muted);
  transition: color var(--duration-fast) ease;
}

.footer-gemut-link:hover {
  color: var(--text-light-secondary);
}

/* ────────────────────────────
   Mobile Fixed Footer CTA
──────────────────────────── */
.mobile-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  height: var(--mobile-cta-height);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  background-color: var(--bg-dark);
  border-top: 1px solid var(--border-dark);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}

@media (min-width: 768px) {
  .mobile-cta-bar {
    display: none;
  }
}

.mobile-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-light);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition: background-color var(--duration-fast) ease;
}

.mobile-cta-btn:not(:last-child) {
  border-right: 1px solid var(--border-dark);
}

/* LINE相談ボタン内のテキストラップ */
.mobile-cta-btn__text-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  line-height: 1.2;
}

/* 無料バッジ */
.mobile-cta-badge {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.25);
  color: #fff;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 1px 5px;
  border-radius: 20px;
  line-height: 1.4;
}

.mobile-cta-btn--phone {
  background-color: rgba(255, 255, 255, 0.04);
}

.mobile-cta-btn--phone:hover,
.mobile-cta-btn--phone:active {
  background-color: rgba(255, 255, 255, 0.08);
}

.mobile-cta-btn--reserve {
  background-color: var(--cta);
}

.mobile-cta-btn--reserve:hover,
.mobile-cta-btn--reserve:active {
  background-color: var(--cta-hover);
}

.mobile-cta-btn--line {
  background-color: #06C755;
}

.mobile-cta-btn--line:hover,
.mobile-cta-btn--line:active {
  background-color: #05a847;
}

.mobile-cta-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ────────────────────────────
   Image Placeholders
──────────────────────────── */
.img-placeholder {
  position: relative;
  background-color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 8px,
    rgba(139, 115, 85, 0.05) 8px,
    rgba(139, 115, 85, 0.05) 9px
  );
}

.img-placeholder__label {
  position: relative;
  z-index: 1;
  font-size: var(--fs-small);
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  text-align: center;
  padding: var(--space-sm);
}

/* アスペクト比バリエーション */
.img-placeholder--hero {
  aspect-ratio: 16 / 9;
}

@media (min-width: 768px) {
  .img-placeholder--hero {
    aspect-ratio: 21 / 9;
  }
}

.img-placeholder--square {
  aspect-ratio: 1 / 1;
}

.img-placeholder--portrait {
  aspect-ratio: 3 / 4;
}

.img-placeholder--landscape {
  aspect-ratio: 4 / 3;
}

/* ────────────────────────────
   Section CTA Block — 2分割（日本物流施設風）
──────────────────────────── */

/* フッター上のSVG区切り（自然モチーフ） */
.cta-wave {
  display: block;
  width: 100%;
  height: 60px;
  overflow: hidden;
  line-height: 0;
}
.cta-wave svg {
  display: block;
  width: 100%;
  height: 100%;
}

.cta-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 767px) {
  .cta-block {
    grid-template-columns: 1fr;
  }
}

/* 左：深緑（電話） */
.cta-block__phone {
  background-color: var(--cta);
  color: var(--text-light);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-md);
}

/* 右：金茶（WEB予約） */
.cta-block__web {
  background-color: var(--accent);
  color: var(--text-light);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-md);
}

.cta-block__label {
  font-family: var(--font-latin);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.75;
  display: block;
}

.cta-block__title {
  font-family: var(--font-mincho);
  font-size: var(--fs-h2);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: var(--lh-heading);
  margin: 0;
}

.cta-block__phone .cta-block__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  letter-spacing: 0.02em;
}

.cta-block__note {
  font-size: var(--fs-small);
  opacity: 0.7;
  letter-spacing: 0.04em;
  line-height: 1.7;
}

/* CTAブロック内ボタン */
.cta-block__phone .btn {
  background-color: transparent;
  border: 1.5px solid rgba(247, 245, 240, 0.6);
  color: var(--text-light);
  min-width: 200px;
}

.cta-block__phone .btn:hover {
  background-color: rgba(247, 245, 240, 0.12);
  border-color: rgba(247, 245, 240, 0.9);
}

.cta-block__web .btn {
  background-color: var(--text-light);
  color: var(--accent);
  border: none;
  min-width: 200px;
  font-weight: 600;
}

.cta-block__web .btn:hover {
  background-color: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* ────────────────────────────
   Card — 日本物流施設風（角丸・枠線強調）
──────────────────────────── */
.card {
  background-color: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-xl);
  transition: box-shadow var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-subtle);
}

.card--dark {
  background-color: rgba(255, 255, 255, 0.04);
  border-color: var(--border-dark);
}

/* 症状カード（ゴールド枠線） */
.card--symptom {
  background-color: var(--bg-card);
  border: 2px solid var(--accent-subtle);
  border-radius: var(--radius-card);
  padding: var(--space-lg) var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-sm);
  transition: border-color var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.card--symptom:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
}

/* ────────────────────────────
   Badge / Label
──────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-family: var(--font-latin);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid var(--accent-subtle);
  color: var(--accent);
  border-radius: 2px;
}

/* ────────────────────────────
   FAQ Accordion
──────────────────────────── */
.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-lg);
  text-align: left;
  font-family: var(--font-gothic);
  font-size: var(--fs-body);
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color var(--duration-fast) ease;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-question__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  color: var(--accent);
}

.faq-question__icon::before,
.faq-question__icon::after {
  content: '';
  position: absolute;
  background-color: currentColor;
  transition: transform var(--duration-base) var(--ease-out);
}

.faq-question__icon::before {
  width: 14px;
  height: 1.5px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-question__icon::after {
  width: 1.5px;
  height: 14px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-item.is-open .faq-question__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--duration-slow) var(--ease-out);
}

.faq-item.is-open .faq-answer {
  max-height: 500px;
}

.faq-answer__inner {
  padding-bottom: var(--space-lg);
  font-size: var(--fs-body);
  color: var(--text-secondary);
  line-height: var(--lh-body);
}

/* ────────────────────────────
   Step List
──────────────────────────── */
.step-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-md);
  position: relative;
}

.step-item:not(:last-child) {
  padding-bottom: var(--space-xl);
}

.step-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 48px;
  left: 23px;
  width: 1px;
  height: calc(100% - 48px + var(--space-xl) - var(--space-xl));
  bottom: 0;
  background-color: var(--accent-subtle);
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-latin);
  font-size: 1rem;
  color: var(--accent);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  background-color: var(--bg-primary);
}

.step-content {}

.step-title {
  font-family: var(--font-mincho);
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
  padding-top: 0.6rem;
}

.step-text {
  font-size: var(--fs-body);
  color: var(--text-secondary);
  line-height: var(--lh-body);
}

/* ────────────────────────────
   Feature Block
──────────────────────────── */
.feature-block {
  border-left: 2px solid var(--accent-subtle);
  padding-left: var(--space-lg);
}

.feature-block + .feature-block {
  margin-top: var(--space-2xl);
}

.feature-block__number {
  font-family: var(--font-latin);
  font-size: var(--fs-label);
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.feature-block__title {
  font-family: var(--font-mincho);
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-md);
}

.feature-block__text {
  color: var(--text-secondary);
  line-height: var(--lh-body);
}

.feature-block__quote {
  font-family: var(--font-mincho);
  font-size: 1.0625rem;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  border-left: none;
  padding-left: 0;
  margin-bottom: var(--space-md);
  font-style: italic;
}