/* ============================================================
   GLINK ESTATE — Section / Component Styles
   仕様の正本: design-spec.md / Architecture.md
   実装方針: PC基準、@media (max-width) で SP/タブレット調整
   ============================================================ */

/* ============================================================
   1. 共通コンポーネント
   ============================================================ */

.section {
  padding-block: var(--space-3xl);
}

@media (max-width: 767px) {
  .section {
    padding-block: var(--space-section-sp);
  }
}

/* 英文セクション見出し + 直下の装飾線 (gold) */
.section-en {
  font-family: var(--font-serif-en);
  font-size: var(--fs-h2-en);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.12em;
  color: var(--color-text-heading);
  text-align: center;
  margin-bottom: var(--space-sm);
  position: relative;
}

.section-en::after {
  content: "";
  display: block;
  width: 40px;
  height: 1px;
  background: var(--color-accent);
  margin: var(--space-sm) auto 0;
}

/* 和文セクション見出し */
.section-jp {
  font-family: var(--font-serif-jp);
  font-size: var(--fs-h2-jp);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--color-text-heading);
  text-align: center;
  margin-bottom: var(--space-lg);
}

/* H3 (事業名等) */
.h3 {
  font-family: var(--font-serif-jp);
  font-size: var(--fs-h3);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--color-text-heading);
}

/* Label */
.label {
  font-family: var(--font-serif-jp);
  font-size: var(--fs-label);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

/* CTA ボタン (線囲み型) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 1rem 2rem;
  font-family: var(--font-serif-jp);
  font-size: 0.9375rem;        /* 15 px */
  font-weight: 500;
  letter-spacing: 0.1em;
  line-height: 1;
  color: var(--color-text-heading);
  background: transparent;
  border: 1px solid var(--color-cta-border);
  border-radius: 0;
  cursor: pointer;
  transition:
    background var(--dur-base) var(--easing),
    color var(--dur-base) var(--easing),
    border-color var(--dur-base) var(--easing);
}

.btn:hover,
.btn:focus-visible {
  background: var(--color-text-heading);
  color: var(--color-footer-text);
  border-color: var(--color-text-heading);
}

.btn--sm {
  padding: 0.625rem 1.125rem;   /* 10/18 px */
  font-size: 0.8125rem;          /* 13 px */
  letter-spacing: 0.08em;
}

.btn--wide {
  min-width: 16rem;              /* 256 px */
}

/* プレースホルダ画像 (暖色ベージュ系グラデ) */
.placeholder-img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(135deg, #ede7dc 0%, #d8cfbc 50%, #c8bda9 100%);
  position: relative;
  overflow: hidden;
}

.placeholder-img--wide {
  aspect-ratio: 16 / 10;
}

.placeholder-img--hero {
  aspect-ratio: auto;
  height: 100%;
  background:
    linear-gradient(135deg, #e8e0d2 0%, #d2c5ad 60%, #b8a988 100%);
}

/* 行内リンク強調 (相続・売却・買取 等) */
.link-text {
  color: var(--color-text-heading);
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 2px;
  transition: border-color var(--dur-base) var(--easing), color var(--dur-base) var(--easing);
}

.link-text:hover,
.link-text:focus-visible {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ============================================================
   2. Header
   ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h-pc);
  background: rgba(251, 250, 248, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-md);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
}

.site-header__brand img {
  height: 40px;
  width: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-left: auto;
}

.site-nav__link {
  font-family: var(--font-sans-jp);
  font-size: var(--fs-nav);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.12em;
  color: var(--color-text-heading);
  position: relative;
  padding-block: 4px;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--dur-base) var(--easing);
}

.site-nav__link:hover::after,
.site-nav__link:focus-visible::after {
  transform: scaleX(1);
}

.site-header__cta {
  margin-left: auto;
}

.site-header__burger {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  position: relative;
}

.site-header__burger span,
.site-header__burger span::before,
.site-header__burger span::after {
  content: "";
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-text-heading);
  transition: transform var(--dur-base) var(--easing), opacity var(--dur-base) var(--easing);
}

.site-header__burger span {
  position: relative;
}

.site-header__burger span::before {
  position: absolute;
  top: -7px;
  left: 0;
}

.site-header__burger span::after {
  position: absolute;
  top: 7px;
  left: 0;
}

.site-header__burger[aria-expanded="true"] span {
  background: transparent;
}

.site-header__burger[aria-expanded="true"] span::before {
  transform: translateY(7px) rotate(45deg);
}

.site-header__burger[aria-expanded="true"] span::after {
  transform: translateY(-7px) rotate(-45deg);
}

/* SP メニュー */
.sp-menu {
  position: fixed;
  top: var(--header-h-sp);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-base);
  padding: var(--space-xl) var(--content-pad-sp);
  z-index: 99;
  overflow-y: auto;
}

.sp-menu[hidden] {
  display: none;
}

.sp-menu__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.sp-menu__link {
  font-family: var(--font-sans-jp);
  font-size: 15px;
  letter-spacing: 0.15em;
  color: var(--color-text-heading);
  padding-block: var(--space-xs);
  border-bottom: 1px solid var(--color-line);
}

.sp-menu__cta {
  margin-top: var(--space-xl);
}

@media (max-width: 1023px) {
  .site-header {
    height: var(--header-h-sp);
  }
  .site-nav {
    display: none;
  }
  .site-header__burger {
    display: inline-flex;
  }
  .site-header__cta .btn--header {
    /* SP では小さめサイズ */
    padding: 8px 14px;
    font-size: 11px;
    letter-spacing: 0.08em;
  }
}

@media (max-width: 767px) {
  .site-header__brand img {
    height: 32px;
  }
}

/* メインのコンテンツがヘッダー高さ分だけオフセット */
main {
  padding-top: var(--header-h-pc);
}

/* アンカーリンクで section にジャンプした際、ヘッダー高さ分のオフセットを取る */
main section[id] {
  scroll-margin-top: var(--header-h-pc);
}

@media (max-width: 1023px) {
  main {
    padding-top: var(--header-h-sp);
  }
  main section[id] {
    scroll-margin-top: var(--header-h-sp);
  }
}

/* ============================================================
   3. Hero
   ============================================================ */

.hero {
  position: relative;
  background: var(--color-bg-base);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  min-height: var(--hero-h-pc);
}

.hero__text {
  position: relative;
  z-index: 2;
  /* テキスト左端をコンテンツ幅(1200px)の左端に揃え、右側は画面端まで写真を広げる */
  padding: var(--space-2xl) var(--space-xl) var(--space-2xl)
    max(var(--content-pad-pc), calc((100vw - var(--content-max)) / 2 + var(--content-pad-pc)));
}

.hero__title {
  font-family: var(--font-serif-jp);
  font-size: var(--fs-hero);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--color-text-heading);
  margin-bottom: var(--space-md);
}

.hero__title-line {
  display: block;
  white-space: nowrap;  /* PC では各行を1行固定で意図しない折返しを防ぐ */
}

@media (max-width: 767px) {
  .hero__title-line {
    white-space: normal;  /* SP では画面幅優先で自然折返し */
  }
}

.hero__sub {
  font-family: var(--font-serif-en);
  font-size: 0.9375rem;       /* 15 px */
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

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

.hero__media {
  position: relative;
  height: 100%;
  min-height: var(--hero-h-pc);
}

.hero__photo {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  /* 左側に向かってフェードアウト (mask-image) */
  -webkit-mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,0.4) 18%, #000 50%);
  mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,0.4) 18%, #000 50%);
}

/* Hero 写真プレースホルダ (Phase 6 で差替) */
.hero__photo--placeholder {
  background:
    linear-gradient(135deg, #e8e0d2 0%, #d2c5ad 55%, #b8a988 100%);
}

/* Hero 本番写真 (生成AIで作成した hero.webp) */
.hero__photo--real {
  background-image: url("/assets/images/hero.webp");
}

@media (max-width: 1023px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero__text {
    padding: var(--space-xl) var(--content-pad-sp);
  }
  .hero__media {
    min-height: var(--hero-h-sp);
  }
  .hero__photo {
    -webkit-mask-image: linear-gradient(to top, transparent 0%, rgba(0,0,0,0.4) 12%, #000 40%);
    mask-image: linear-gradient(to top, transparent 0%, rgba(0,0,0,0.4) 12%, #000 40%);
  }
}

@media (max-width: 767px) {
  .hero__media {
    min-height: 22.5rem;        /* 360 px */
  }
}

/* ============================================================
   4. Brand Message
   ============================================================ */

.brand-message {
  padding-block: var(--space-3xl);
  text-align: center;
  background: var(--color-bg-base);
}

.brand-message__lead {
  font-family: var(--font-serif-jp);
  font-size: clamp(1.25rem, 1.2vw + 1rem, 1.75rem); /* 20 - 28 px */
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.9;
  color: var(--color-text-heading);
  margin-bottom: var(--space-lg);
}

.brand-message__body {
  max-width: 42rem;            /* 672 px */
  margin-inline: auto;
  font-size: var(--fs-body);
  line-height: 1.9;
  letter-spacing: 0.06em;
}

@media (max-width: 767px) {
  .brand-message {
    padding-block: var(--space-section-sp);
  }
}

/* ============================================================
   5. Service (ジグザグ 55:45)
   ============================================================ */

.service {
  padding-block: var(--space-3xl);
}

.service:nth-of-type(even) {
  background: var(--color-bg-alt);
}

.service__inner {
  display: grid;
  grid-template-columns: 55fr 45fr;
  align-items: center;
  gap: var(--space-2xl);
}

.service--reverse .service__inner {
  grid-template-columns: 45fr 55fr;
}

.service--reverse .service__media {
  order: 2;
}

.service--reverse .service__body {
  order: 1;
}

.service__img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.service__body__en {
  font-family: var(--font-serif-en);
  font-size: 1.5rem;             /* 24 px */
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.service__title {
  font-family: var(--font-serif-jp);
  font-size: var(--fs-h2-jp);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.4;
  color: var(--color-text-heading);
  margin-bottom: var(--space-md);
}

.service__body p {
  margin-bottom: var(--space-md);
}

.service__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-lg);
  margin-top: var(--space-md);
}

@media (max-width: 1023px) {
  .service__inner,
  .service--reverse .service__inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .service--reverse .service__media {
    order: 0;
  }
  .service--reverse .service__body {
    order: 0;
  }
}

@media (max-width: 767px) {
  .service {
    padding-block: var(--space-section-sp);
  }
}

/* ============================================================
   6. Reno Case (before/after)
   ============================================================ */

.reno-case {
  padding-block: var(--space-3xl);
}

.reno-case:nth-of-type(even) {
  background: var(--color-bg-alt);
}

.reno-case__inner {
  display: grid;
  grid-template-columns: 55fr 45fr;
  align-items: center;
  gap: var(--space-2xl);
}

.reno-case--reverse .reno-case__inner {
  grid-template-columns: 45fr 55fr;
}

.reno-case--reverse .reno-case__media {
  order: 2;
}

.reno-case--reverse .reno-case__body {
  order: 1;
}

.reno-case__media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.reno-case__figure {
  margin: 0;
}

.reno-case__img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.reno-case__caption {
  display: block;
  margin-top: var(--space-xs);
  font-family: var(--font-sans-jp);
  font-size: 0.75rem;            /* 12 px */
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.reno-case__title {
  font-family: var(--font-serif-jp);
  font-size: clamp(1.25rem, 1vw + 1rem, 1.625rem); /* 20 - 26 px */
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.5;
  color: var(--color-text-heading);
  margin-bottom: var(--space-md);
}

@media (max-width: 1023px) {
  .reno-case__inner,
  .reno-case--reverse .reno-case__inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .reno-case--reverse .reno-case__media,
  .reno-case--reverse .reno-case__body {
    order: 0;
  }
}

@media (max-width: 767px) {
  .reno-case {
    padding-block: var(--space-section-sp);
  }
}

/* ============================================================
   7. Properties (Works / For Sale)
   ============================================================ */

.properties {
  padding-block: var(--space-3xl);
}

.properties--works {
  background: var(--color-bg-base);
}

.properties--forsale {
  background: var(--color-bg-alt);
}

.properties__head {
  margin-bottom: var(--space-xl);
}

.properties__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl) var(--col-gap-pc);
}

.properties__more {
  margin-top: var(--space-xl);
}

.properties__more:not([hidden]) {
  display: flex;
  justify-content: center;
}

.properties__more-error {
  margin-top: var(--space-sm);
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: center;
}

/* ---- Card ---- */
.property-card {
  display: block;
  position: relative;
}

.property-card__link {
  display: block;
  color: inherit;
}

.property-card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  margin-bottom: var(--space-sm);
  background: var(--color-bg-alt);
}

.property-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--dur-slow) var(--easing);
}

/* プレースホルダ画像 (画像なし時): bg-alt + 中央ロゴ透過30% */
.property-card__media--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
}

.property-card__media--placeholder::before {
  content: "";
  width: 50%;
  height: 50%;
  background-image: url("/assets/images/logo-gold.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.3;
}

.property-card__link:hover .property-card__img,
.property-card__link:focus-visible .property-card__img {
  transform: scale(1.03);
}

.property-card__ext-icon {
  position: absolute;
  right: var(--space-sm);
  bottom: var(--space-sm);
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-heading);
  background: transparent;
  font-size: 14px;
  line-height: 1;
  transition: color var(--dur-base) var(--easing), transform var(--dur-base) var(--easing);
}

.property-card__link:hover .property-card__ext-icon,
.property-card__link:focus-visible .property-card__ext-icon {
  color: var(--color-accent);
  transform: translate(2px, -2px);
}

.property-card__meta {
  font-family: var(--font-sans-jp);
  font-size: var(--fs-caption);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--color-text-heading);
}

.property-card__sub {
  font-family: var(--font-sans-jp);
  font-size: var(--fs-caption);
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--color-text-body);
}

/* ---- Coming Soon プレースホルダ (1-2件しかない時の残り枠) ---- */
.property-card--coming-soon {
  pointer-events: none;
}

.property-card__coming-soon-label {
  font-family: var(--font-serif-en) !important;
  font-size: 1.125rem !important;
  letter-spacing: 0.16em !important;
  color: var(--color-text-muted) !important;
}

/* ---- Skeleton (ローディング中) ---- */
.property-card--skeleton {
  pointer-events: none;
}

.property-card__media--skeleton {
  aspect-ratio: 4 / 3;
  background: linear-gradient(
    90deg,
    var(--color-bg-alt) 0%,
    var(--color-bg-band) 50%,
    var(--color-bg-alt) 100%
  );
  background-size: 200% 100%;
  animation: skeletonShimmer 1.4s var(--easing) infinite;
}

.property-card__meta--skeleton,
.property-card__sub--skeleton {
  height: 14px;
  margin-top: var(--space-xs);
  background: var(--color-bg-alt);
  border-radius: 2px;
}

.property-card__meta--skeleton { width: 60%; }
.property-card__sub--skeleton  { width: 40%; }

@keyframes skeletonShimmer {
  0%   { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .property-card__media--skeleton { animation: none; }
}

/* ---- Empty State (0件) ---- */
.properties__empty {
  text-align: center;
  padding-block: var(--space-2xl);
}

.properties__empty-text {
  font-family: var(--font-serif-jp);
  font-size: var(--fs-h3);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text-heading);
  margin-bottom: var(--space-sm);
}

.properties__empty-sub {
  font-size: var(--fs-body);
  color: var(--color-text-body);
  margin-bottom: var(--space-lg);
  line-height: 1.9;
}

.properties__empty--accent {
  background: var(--color-bg-band);
  border-top: 1px solid var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  padding: var(--space-2xl) var(--space-lg);
  margin-top: var(--space-md);
}

/* ---- Error State (読込失敗) ---- */
.properties__error {
  text-align: center;
  padding-block: var(--space-xl);
}

.properties__error-text {
  font-size: var(--fs-body);
  color: var(--color-text-body);
  line-height: 1.9;
}

@media (max-width: 1023px) {
  .properties__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl) var(--col-gap-sp);
  }
}

@media (max-width: 767px) {
  .properties {
    padding-block: var(--space-section-sp);
  }
  .properties__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .property-card__sub {
    font-size: var(--fs-caption-sp);
  }
}

/* ============================================================
   8. Sell Band (売却物件募集帯)
   ============================================================ */

.sell-band {
  background: var(--color-bg-band);
  border-top: 1px solid var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  padding-block: var(--space-3xl);
}

.sell-band__inner {
  text-align: center;
  max-width: 720px;
}

.sell-band__en {
  font-family: var(--font-serif-en);
  font-size: 1.5rem;             /* 24 px */
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.sell-band__title {
  font-family: var(--font-serif-jp);
  font-size: clamp(1.5rem, 2vw + 1rem, 2.125rem); /* 24 - 34 px */
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: var(--color-text-heading);
  margin-bottom: var(--space-md);
}

.sell-band__body {
  font-size: var(--fs-body);
  line-height: 1.9;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-xl);
  color: var(--color-text-body);
}

@media (max-width: 767px) {
  .sell-band {
    padding-block: var(--space-section-sp);
  }
}

/* ============================================================
   9. Flow
   ============================================================ */

.flow {
  padding-block: var(--space-3xl);
}

.flow__steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
  list-style: none;
  position: relative;
  counter-reset: step;
}

.flow__step {
  position: relative;
  padding: var(--space-md) var(--space-sm);
  text-align: center;
}

.flow__num {
  font-family: var(--font-serif-en);
  font-size: 1.625rem;           /* 26 px */
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--space-xs);
}

.flow__label {
  font-family: var(--font-sans-jp);
  font-size: var(--fs-body-sp);  /* 16 px */
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text-heading);
  line-height: 1.5;
}

.flow__arrow {
  position: absolute;
  right: calc(-1 * var(--space-md) / 2);
  top: 50%;
  transform: translate(50%, -50%);
  color: var(--color-accent);
  font-family: var(--font-sans-jp);
  font-weight: 300;
  pointer-events: none;
}

.flow__step:last-child .flow__arrow {
  display: none;
}

.flow__arrow-pc { display: inline; }
.flow__arrow-sp { display: none; }

@media (max-width: 767px) {
  .flow {
    padding-block: var(--space-section-sp);
  }
  .flow__steps {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
  .flow__step .flow__arrow {
    right: 50%;
    top: auto;
    bottom: calc(-1 * var(--space-xs) - 4px);
    transform: translate(50%, 0);
  }
  .flow__arrow-pc { display: none; }
  .flow__arrow-sp { display: inline; }
}

/* ============================================================
   10. Company
   ============================================================ */

.company {
  padding-block: var(--space-3xl);
  background: var(--color-bg-alt);
}

.company__inner {
  display: grid;
  grid-template-columns: 45fr 55fr;
  gap: var(--space-2xl);
  align-items: start;
}

.company__table {
  display: grid;
  grid-template-columns: var(--table-label-w-pc) 1fr;
  gap: var(--space-sm) var(--space-md);
}

.company__table dt {
  font-family: var(--font-sans-jp);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  padding-block: var(--space-xs);
  border-top: 1px solid var(--color-line);
}

.company__table dt:first-of-type,
.company__table dd:first-of-type {
  border-top: none;
}

.company__table dd {
  font-family: var(--font-serif-jp);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--color-text-heading);
  line-height: 1.8;
  padding-block: var(--space-xs);
  border-top: 1px solid var(--color-line);
  margin: 0;
}

.company__legal {
  margin-top: var(--space-lg);
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  line-height: 1.8;
}

.company__map {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--color-line);
  overflow: hidden;
  background: var(--color-bg-base);
}

.company__map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  /* グレースケール風 (上品さ統一) */
  filter: grayscale(0.4) sepia(0.05);
}

@media (max-width: 1023px) {
  .company__inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .company__map {
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 767px) {
  .company {
    padding-block: var(--space-section-sp);
  }
  .company__table {
    grid-template-columns: var(--table-label-w-sp) 1fr;
  }
}

/* ============================================================
   11. Contact
   ============================================================ */

.contact {
  padding-block: var(--space-3xl);
  background: var(--color-bg-base);
}

.contact__form {
  max-width: 640px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.field__label {
  font-family: var(--font-sans-jp);
  font-size: 0.8125rem;          /* 13 px */
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.field__required {
  color: var(--color-text-body);
  margin-left: var(--space-xs);
  font-size: 0.6875rem;          /* 11 px */
  letter-spacing: 0.08em;
}

.field__input,
.field__textarea,
.field__select {
  font-family: var(--font-serif-jp);
  font-size: var(--fs-body);     /* 17 px */
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--color-text-heading);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-line);
  padding: var(--space-xs) 0;
  transition: border-color var(--dur-base) var(--easing);
}

.field__textarea {
  min-height: 140px;
  resize: vertical;
}

.field__input:focus,
.field__textarea:focus,
.field__select:focus {
  outline: none;
  border-bottom-color: var(--color-accent);
}

.field__input:focus-visible,
.field__textarea:focus-visible,
.field__select:focus-visible {
  outline: none;
}

/* ハニーポット (スパム対策・視覚的に隠す。Phase 4 で実装) */
.field--honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact__submit {
  align-self: center;
  margin-top: var(--space-md);
}

.contact__submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* フィールドエラー (role="alert") */
.field__error {
  font-family: var(--font-sans-jp);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #8a3a2a;  /* 暖色寄りのエラー赤 (純赤 #c00 等の派手色は避ける) */
  line-height: 1.6;
}

.field__input[aria-invalid="true"],
.field__textarea[aria-invalid="true"],
.field__select[aria-invalid="true"] {
  border-bottom-color: #8a3a2a;
}

/* 送信成功 / 失敗のステータス領域 */
.contact__status {
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--color-line);
  background: var(--color-bg-alt);
  outline: none;
}

.contact__status--success {
  border-color: var(--color-accent);
  background: var(--color-bg-band);
}

.contact__status--error {
  border-color: #8a3a2a;
  background: #f4ebe7;
}

.contact__status--info {
  border-color: var(--color-line);
  background: var(--color-bg-alt);
}

.contact__status-main {
  font-family: var(--font-serif-jp);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-text-heading);
  margin-bottom: var(--space-xs);
}

.contact__status-sub {
  font-family: var(--font-sans-jp);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--color-text-body);
  line-height: 1.8;
}

/* プライバシー文 (reCAPTCHA 利用通知) */
.contact__privacy {
  font-family: var(--font-sans-jp);
  font-size: 11px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-sm);
}

.contact__privacy a {
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 1px;
}

.contact__privacy a:hover {
  border-bottom-color: var(--color-accent);
}

/* reCAPTCHA invisible のコンテナは透明 (バッジは右下に出る、Google 規約により表示維持) */
#recaptcha-container {
  width: 0;
  height: 0;
  overflow: hidden;
}

@media (max-width: 767px) {
  .contact {
    padding-block: var(--space-section-sp);
  }
}

/* ============================================================
   12. Footer
   ============================================================ */

.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding-block: var(--space-xl);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.site-footer__brand {
  display: inline-flex;
  align-items: center;
}

.site-footer__brand img {
  height: 36px;
  width: auto;
}

.site-footer__meta {
  text-align: right;
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.8;
  color: var(--color-footer-text);
  opacity: 0.7;
}

@media (max-width: 767px) {
  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
  .site-footer__meta {
    text-align: left;
  }
}

/* ============================================================
   下層ページ用: Page Title / Page Back
   ============================================================ */

.page-title {
  padding-top: calc(var(--space-2xl) + var(--space-md));
  padding-bottom: var(--space-xl);
  background: var(--color-bg-base);
  text-align: center;
}

.page-back {
  padding-block: var(--space-2xl);
  text-align: center;
  background: var(--color-bg-base);
}

@media (max-width: 767px) {
  .page-title {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-lg);
  }
  .page-back {
    padding-block: var(--space-xl);
  }
}

/* ============================================================
   13. アニメーション (IntersectionObserver で .is-visible を付与)
   ============================================================ */

.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--easing), transform 0.6s var(--easing);
  will-change: opacity, transform;
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up--delay-1 { transition-delay: 0.1s; }
.fade-up--delay-2 { transition-delay: 0.2s; }
.fade-up--delay-3 { transition-delay: 0.3s; }

/* Hero のページロード時 staggered フェード */
.hero__title,
.hero__sub,
.hero__cta {
  opacity: 0;
  animation: heroFade 0.9s var(--easing) forwards;
}

.hero__title { animation-delay: 0.1s; }
.hero__sub { animation-delay: 0.35s; }
.hero__cta { animation-delay: 0.55s; }

@keyframes heroFade {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* prefers-reduced-motion: base.css 側で transition 抑制済み。
   ここではキーフレームを即時表示に */
@media (prefers-reduced-motion: reduce) {
  .hero__title,
  .hero__sub,
  .hero__cta {
    animation: none;
    opacity: 1;
  }
  .fade-up {
    opacity: 1;
    transform: none;
  }
}